CN106660470B

CN106660470B - The mounting structure of vehicle seat

Info

Publication number: CN106660470B
Application number: CN201580035715.3A
Authority: CN
Inventors: 芳田元; 林和宽
Original assignee: TS Tech Co Ltd
Current assignee: TS Tech Co Ltd
Priority date: 2014-08-06
Filing date: 2015-08-06
Publication date: 2019-07-26
Anticipated expiration: 2035-08-06
Also published as: CN106660470A; WO2016021676A1

Abstract

The present invention provides a kind of mounting structure of vehicle seat, it is used to install backrest (S20), move up and down backrest (S20) can, include backrest frame (F2), it is with upper frame (10) and lower frame (20), the upper frame (10) constitutes the frame of the upper portion of backrest (S20), the lower frame (20) constitutes the frame of the lower portion of backrest (S20), and it can be rotated centered on the axis (A2) extended in left-right direction relative to before and after upper frame (10)；Backboard (60), is configured at the rear of backrest (S20)；With mobile mechanism (M), backrest frame (F2) can be made to move up and down relative to backboard (60).Backboard (60) has recess portion (63), and mobile mechanism (M) is to be configured at the recess portion (63) into state therein.

Description

The mounting structure of vehicle seat

Technical field

The present invention relates to a kind of mounting structure of vehicle seat, in the mounting structure, in a manner of moving up and down To install backrest.

Background technique

As the vehicle seat with seat cushion and backrest, in patent document 1, disclose after a kind of vehicle uses Seat, the vehicle are constituted with back seat are as follows: backrest is divided into two parts up and down, when toppling over relative to seat cushion, is being divided Portion is cut in intermediate warpage recessed forwards.In the art, bracket, backrest are fixed in the front surface of vehicle body backboard Frame the bracket is supported in a manner of it can slide up and down, accordingly, backrest relative to vehicle body can move up and down Mode be mounted.

In addition, in the vehicles such as electric car and hybrid vehicle, it is known that in order to keep battery mounted cooling, And there is the channel to battery supply cold wind.Disclose such a vehicle seat in patent document 2: it is with the seat of honour Chair back and side backrest, side backrest setting is in seat of honour chair back side, for collecting the logical of the air in compartment Road is provided in the backrest of side.

In addition, as vehicle seat, disclose such a vehicle seat used, is leaned in seat in patent document 3 Back is backrest or so to be divided, and the backrest divided in the back seat that lower side is freely rotated as fulcrum front and back It is able to independent rotation, the armrest for capableing of front and back rotation is provided in the splicing part for being set to partitioning portion.

Existing technical literature

Patent document

Patent document 1: Japanese invention patent Publication Japanese Laid-Open Patent Publication 10-86720

Patent document 2: International Publication No. 2011/016284

Patent document 3: Japanese Utility Model Publication opens clear No. 58-4428 in fact

Summary of the invention

In addition, bracket is configured between backrest and backboard in vehicle back seat disclosed in patent document 1, Therefore, have and lead to the problem of dead zone between backrest and backboard.In addition, due to needing to use between backrest and backboard Therefore correspondingly, keep backrest close forward in the space of configuration bracket, therefore, the space of the front side of backrest (is handed over The space of seat people in logical tool) it may narrow.

In addition, seat is also compact structure in the vehicles of the compact as kart etc., it is therefore, difficult Channel to be arranged in seat.

In addition, in the structure that the backrest with rotatable armrest is moved up and down when tumbling movement etc., if The receptacle portion of armrest is provided in the adjacent component being configured adjacently with backrest, then when backrest is being received equipped with armrest When being moved up and down under state, there are armrest interfere adjacent component the case where.

In addition, preferably backrest will be enable opposite in the vehicle seat that backrest can move up and down It is simply assembled in the mobile mechanism that backboard moves up and down in backboard.In addition, the traffic work that can be moved up and down in backrest Have in seat, preferably backrest can move up and down well.

Therefore, the purpose of the present invention is to provide a kind of mounting structure of vehicle seat, which can press down System generates dead zone between backrest and backboard, and can ensure the space of the front side of backrest.

In addition, it is an object of the present invention to improving workability when backrest to be installed on to backboard.

In addition, it is an object of the present invention to steadily supporting backrest.

In addition, it is an object of the present invention to improving the assembling rigidity of mobile mechanism.

In addition, it is an object of the present invention to angle of the upper frame relative to backboard can be adjusted.

In addition, it is an object of the present invention to inhibit enlargement, and the inside of vehicle seat be arranged channel.

In addition, it is an object of the present invention to inhibiting to apply load to channel.

In addition, it is an object of the present invention to inhibiting backrest to move in the structure that adjacent component has armrest receptacle portion Adjacent component is interferenceed with armrest when dynamic.

In addition, it is an object of the present invention to backboard and mobile mechanism is simply assembled.

In addition, it is an object of the present invention to moving up and down backrest well.

In addition, it is an object of the present invention to simplifying the structure of backrest frame.

The present invention for achieving the above object is a kind of mounting structure of vehicle seat, is used to install seat and leans on Back enables the backrest to move up and down comprising: backrest frame, with upper frame and lower part Frame, the upper frame constitute the frame of the upper portion of the backrest, and the lower frame constitutes the seat and leans on The frame of the lower portion of back, and can relative to the upper frame centered on the axis extended in left-right direction front and back turn It is dynamic；Backboard configures at the rear of the backrest；And mobile mechanism, enable the backrest frame relative to The backboard moves up and down, and the backboard has recess portion, and the mobile mechanism is recessed to be configured at this into the state in the recess portion Portion.

According to this structure, make backrest close to backboard, it can be so that backrest and the close state of backboard be come Configuration.Hereby it is possible to inhibit to form dead zone between backrest and backboard, and ensure the front space of backrest.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the mobile mechanism includes frame side Part is connect with the backrest frame；With plate sidepiece part, it is fixed on the backboard, is engaged with the frame side part And moving up and down for the frame side part is guided, the recess portion is arranged to: enabling the frame side part in the recess portion It is inside sticked in the plate sidepiece part from below.

Accordingly, frame side part can be made to initially enter in recess portion, engages assembling with plate sidepiece part from below later, because This, can be improved workability when backrest to be installed on to backboard.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the plate sidepiece part has holding section, the card Conjunction portion engages with the frame side part, and the backboard has engaging guide portion, leans on when installing the seat on the backboard Unlucky, the engaging guide portion guides the frame side part to the holding section.

Accordingly, it is easy to engage frame side part with the holding section of plate sidepiece part, therefore, can further increases seat Backrest is installed on workability when backboard.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the backboard has label, when in the back When the backrest is installed on plate, make the upper end of the backrest and the label alignment, as a result, by the frame side Part and the plate sidepiece part are aligned in the position for being able to carry out engaging.

Accordingly, by by the upper end of backrest and label alignment, being easy to engage frame side part with plate sidepiece part, because This, can further increase workability when backrest to be installed on to backboard.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the recess portion is arranged to: when in the back When the backrest is installed on plate, it is aligned the upper end of the backrest with the upper edge of the recess portion, it as a result, will be described Frame side part and the plate sidepiece part are aligned in the position for being able to carry out engaging.

Accordingly, by the way that the upper end of backrest to be aligned with the upper edge of recess portion, it is easy to frame side part and plate side Component engaging, therefore, can further increase the workability that backrest is installed on to backboard.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the mobile mechanism includes frame side Part is connect with the backrest frame；Plate sidepiece part is connect with the backboard, and guides the frame side part It moves up and down, the frame side part is fixed on the lower end of the upper frame.

Accordingly, near due to the center of the backboard by mobile mechanism's configuration in the up-down direction, movement can be passed through Mechanism is by bearing the load from backrest near the center of backboard.Hereby it is possible to steadily support backrest.

It in the mounting structure of the vehicle seat, may be constructed are as follows: there is bearing part, support the top A side in frame and the lower frame enables to rotate centered on the axis, and the mobile mechanism includes frame side Component is connected with the upper frame with another party in the lower frame；Plate sidepiece part is connect with the backboard, Moving up and down for the frame side part is guided, the frame side part is engaged with the bearing part.

Hereby it is possible to be integrally formed the bearing part and frame side part of high rigidity, therefore it can be improved frame side part The assembling rigidity of (mobile mechanism), wherein the bearing part of high rigidity pivotally supports upper frame and lower part A side in frame.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the mobile mechanism includes frame side Part is connect with the backrest frame；It with plate sidepiece part, is connect with the backboard, and guides the frame side part Move up and down, the upper frame has the vertical frame section that extends up and down, and the frame side part has the quilt extended up and down Guide portion guides the directed section to move up and down by the plate sidepiece part, the directed section from right and left always from, By it is more upward further away from the vertical frame section in a manner of tilt relative to the vertical frame section.

Accordingly, although there is the case where directed section becomes larger relative to the overhang of vertical frame section rearward, by making to move Motivation structure is configured with the state for entering the recess portion of backboard, in such a configuration, be able to suppress backrest and backboard it Between form dead zone, it is ensured that the front space of backrest.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the mobile mechanism includes frame side Part is connect with the upper frame；It with plate sidepiece part, is connect with the backboard, guides the upper and lower of the frame side part Mobile, the frame side part has the directed section extended up and down, guides the directed section to carry out by the plate sidepiece part Lower movement, the directed section are bent in such a way that front side is recessed from left and right directions.

Hereby it is possible to when adjusting upper frame and moving up and down, angle of the upper frame relative to backboard.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the backrest is configured in, and is at least existed By the position being connected when leaning on load with the backboard.

Dead zone is formed between backrest and backboard hereby it is possible to further suppress, further, it is possible to ensure backrest Front space.In addition, backboard can bear the load from backrest with bigger area, it therefore, can be steadily Support backrest.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the vehicle seat includes seat Portion, built-in seat frame, and it is opposite with seated person；Side is configured adjacently in the side of the seat portion；And channel, The opening portion of one side is configured at the side, and the seat frame has main frame and an extension, and the extension is from described Main frame extends to the lateral side, and the channel is configured as: it is Chong Die with the extension from coming from the 3rd direction, In, it is the 1st direction that the 3rd direction is arranged perpendicular to the seat portion and the side, opposite with seated person and the seat portion The both sides in the 2nd direction are vertical.

Accordingly, from coming from the 3rd direction, channel is configured as Chong Die with extension, accordingly, inhibits vehicle seat Enlargement, and channel can be arranged in vehicle seat.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the vehicle seat, which has, to be installed on At least part of the load bearing part of the extension, the load bearing part is configured in compared with the channel more Close to seated person side.

Hereby it is possible to be born the load from seated person by component by load, therefore it is able to suppress to apply channel and carries Lotus.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the vehicle seat includes the 1st Chair has the 1st seat cushion and the 1st backrest；1st adjacent component is configured adjacently by the 1st backrest；With the 1st Backrest mobile mechanism enables the 1st backrest in initial position and positioned at the lower section of the lower section of initial position Moved between position, the 1st seat have the 1st armrest, the 1st armrest be arranged on the 1st backrest, be configured with The side of 1st adjacent component, and can be rotated centered on the axis extended in left-right direction, the 1st adjacent component tool There is the 1st armrest receptacle portion, the 1st armrest receptacle portion is used to receive the 1st armrest of dress when not in use, and the 1st armrest receives dress Portion has the 1st downside forward surface, and the lower end of the 1st downside forward surface and the 1st armrest for being received dress is opposite, when the described 1st When backrest is in initial position, it is provided with space between the 1st armrest and the 1st downside forward surface, the space Movement for allowing the 1st armrest to carry out with the 1st backrest from initial position position movement downwards.

Accordingly, by being provided with space between the 1st armrest and the 1st downside forward surface of the 1st armrest receptacle portion, can press down The 1st armrest is interferenceed with the 1st adjacent component when making the position movement downwards of the 1st backrest.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the vehicle seat includes the 2nd Chair, have the 2nd seat cushion and the 2nd backrest, the 2nd backrest the 1st adjacent component, with described 1st The opposite side of chair is configured adjacently with the 1st adjacent component；With the 2nd backrest mobile mechanism, the described 2nd can be made Backrest is moved in initial position and between the lower position of the lower section of initial position, and the 2nd seat has the 2nd elbow It leans on, the 2nd armrest is set to the 2nd backrest, side configured with the 1st adjacent component, and can be with edge It is rotated centered on the axis that left and right directions extends, the 1st adjacent component has the 2nd armrest receptacle portion, and the 2nd armrest receptacle portion is used In receiving the 2nd armrest of dress when not in use, the 2nd armrest receptacle portion has the 2nd downside forward surface, and the 2nd downside is opposite Face and the lower end for the 2nd armrest for being received dress are opposite, when the 2nd backrest is in initial position, in the 2nd elbow It leans on and is provided with space between the 2nd downside forward surface, the space is for allowing the 2nd armrest with the 2nd seat The movement that backrest is carried out from initial position position movement downwards.

Accordingly, it is provided in the structure for the backrest that can be moved up and down, is able to suppress in the two sides of the 1st adjacent component The 1st armrest is interferenceed with the 1st adjacent component when the position movement downwards of the 1st backrest, and is able to suppress the 2nd backrest The 2nd armrest is interferenceed with the 1st adjacent component when position is mobile downwards.

It in the mounting structure of the vehicle seat, may be constructed are as follows: in the backboard and the mobile mechanism One side has hook portion, and another party in the backboard and the mobile mechanism has the hook portion holding section for hook portion engaging.

Accordingly, by the hook portion for the side being set in backboard and mobile mechanism and the hook portion holding section card for being set to another party It closes, hereby it is possible to which backboard and mobile mechanism is simply assembled.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the mobile mechanism includes the branch of plate Frame is fixed on the backboard by the engaging of the hook portion and the hook portion holding section；And stiffening plate, it is fixed on described Bracket.

Hereby it is possible to inhibit the plate-shaped carrier bending for being fixed on backboard by stiffening plate.Accordingly, the deformation of mobile mechanism It is suppressed, therefore, backrest can be made to move up and down well.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the backrest frame has connection branch Frame, the connecting bracket connect the upper frame and the lower frame, and the upper frame has the top side frame of left and right, Interval configures between the top side frame of the left and right or so, and the lower frame has the lower part side frame of left and right, the left and right Lower part side frame between or so interval configuration, the connecting bracket have plate main part and left and right bracket extend The frame extensions in portion, the left and right extend forwards from the left and right ends of the main part, the lower end of the top side frame The connecting bracket, the lower end of the top side frame and institute are fixed on the side in the upper end of the lower part side frame It states another party in the upper end of lower part side frame and is supported on the frame extensions, and the lower end of the top side frame It can be rotated centered on the axis extended in left-right direction with another party in the upper end of the lower part side frame.

Accordingly, and so that the lower end of top side frame and the upper end of lower part side frame can independently rotate to the left and right Mode compares to connect the lower end of top side frame with the structure of the upper end of lower part side frame, and backrest frame is difficult to Therefore deformation can make backrest carry out warpage well in centre.Hereby it is possible to move down backrest on well It is dynamic.

It in the mounting structure of the vehicle seat, may be constructed are as follows: the top side frame is by being in upper and lower straight line The pipe of extension is constituted.

Hereby it is possible to simplify the structure of backrest frame.

In the mounting structure of the vehicle seat, may be constructed are as follows: described hook portion or so interval and be arranged Have multiple.

Hereby it is possible to which mobile mechanism is installed on backboard with relatively steady state, therefore, backrest can be made better It moves up and down well.

In the mounting structure of the vehicle seat, may be constructed are as follows: hook portion interval apart from top to bottom and be arranged Have multiple.

Hereby it is possible to which mobile mechanism is installed on backboard with stable state, therefore, backrest can be made better It moves up and down.

Detailed description of the invention

Fig. 1 is the vehicle seat used perspective view indicated as vehicle seat involved in the 1st embodiment.

Fig. 2 is cushion frame and backrest frame and the mobile mechanism for being built in vehicle seat used left-side seat Perspective view.

Fig. 3 (a) is the perspective view of exploded representation backrest frame and mobile mechanism, and Fig. 3 (b) is that amplification indicates supporting part The perspective view of part.

Fig. 4 is that amplification indicates mobile mechanism and engages the perspective view of guide portion.

Fig. 5 is disposed on the perspective view of the backboard at vehicle seat used rear.

Fig. 6 is vehicle seat used side view.

Fig. 7 (a), Fig. 7 (b) are the figures for illustrating backrest and installing to backboard.

Fig. 8 (a), Fig. 8 (b) are the figures for illustrating vehicle seat used (angular adjustment, reclining) movement of tumbling.

Fig. 9 is the vehicle seat used perspective view as vehicle seat involved in the 2nd embodiment.

Figure 10 is the perspective view for being built in vehicle seat used frame.

Figure 11 (a) is the perspective view of exploded representation main frame, and Figure 11 (b) is the solid for the end that amplification indicates bearing part Figure.

Figure 12 is the perspective view for the extension that amplification indicates backrest frame.

Figure 13 is the main view in backrest frame and channel.

Figure 14 is the backrest frame that load bearing part is equipped on extension and the main view in channel.

Figure 15 is the top view that amplification indicates extension and channel.

Figure 16 (a), Figure 16 (b) are that explanation is tumbled the figure of movement.

Figure 17 is the main view of the backrest frame and channel after tumbling movement.

Figure 18 is the vehicle seat used perspective view as vehicle seat involved in the 3rd embodiment.

Figure 19 is the solid for the state for toppling over the backrest of left-side seat and right-side seat rearward relative to seat cushion Figure.

Figure 20 is the perspective view of cushion frame Yu backrest frame and mobile mechanism.

Figure 21 (a) is the perspective view of exploded representation backrest frame and mobile mechanism, and Figure 21 (b) is that amplification indicates bearing The perspective view of component.

Figure 22 is the cross-sectional view for indicating to receive the structure of the receptacle portion of dress armrest (armrest).

Figure 23 is the top view for indicating the structure of left side.

Figure 24 (a), Figure 24 (b) are that explanation is tumbled the figure of movement.

Figure 25 (a), Figure 25 (b) are the armrest and receipts dress when indicating to be provided with the backrest position movement downwards of armrest The figure of the positional relationship in portion.

Figure 26 is the vehicle seat used perspective view as vehicle seat involved in the 4th embodiment.

Figure 27 is the cross-sectional view for indicating the structure of receptacle portion involved in the 4th embodiment.

Figure 28 (a), Figure 28 (b) are the armrest and receipts when indicating to be provided with the backrest position movement downwards of receptacle portion The figure of the positional relationship in dress portion.

Figure 29 is the vehicle seat used perspective view as vehicle seat involved in the 5th embodiment.

Figure 30 is built in the vehicle seat used left-side seat as vehicle seat involved in the 6th embodiment Cushion frame and backrest frame perspective view.

Figure 31 is the perspective view of the upper frame for indicating composition backrest frame and the connection structure of lower frame.

Figure 32 is the perspective view of mobile mechanism.

Figure 33 be indicate to be set to left-side seat mobile mechanism and backboard mounting structure perspective view.

Figure 34 is comparable to the left-side seat of the Section X-X of Figure 33 and the cross-sectional view of backboard.

Figure 35 (a), Figure 35 (b) are the figures for illustrating vehicle seat used movement of tumbling.

Figure 36 (a), Figure 36 (b) are to indicate the structure of backboard involved in the 1st variation and the installation of backrest Figure.

Figure 37 is side view vehicle seat used involved in the 2nd variation.

Figure 38 is side view vehicle seat used involved in the 3rd variation.

Figure 39 (a), Figure 39 (b) are the cross-sectional views of engaging guide portion involved in the 4th variation.

Figure 40 is the perspective view for being built in the vehicle seat used frame of the 5th variation.

Figure 41 (a), Figure 41 (b) are the figures for indicating cover member involved in the 6th variation.

Figure 42 is the perspective view for indicating the mounting structure of mobile mechanism involved in the 7th variation and backboard.

Figure 43 is the perspective view for indicating the mounting structure of mobile mechanism involved in the 8th variation and backboard.

Figure 44 is the figure for indicating the structure of hook portion involved in the 9th variation.

Figure 45 (a), Figure 45 (b) are the figures for indicating the structure of hook portion involved in the 10th variation.

Specific embodiment

In the following, being illustrated referring to attached drawing to embodiment.In addition, in the present invention, front and rear, left and right, up and down to be sitting in On the basis of people's (seated person) on vehicle seat.

The 1st embodiment > of <

As shown in Figure 1, vehicle seat involved in the 1st embodiment is the vehicle used in the pillion of automobile With seat S, constituted by being configured at the right-side seat SR on right side and being configured at the left-side seat SL in left side.In the following, originally to application The structure of the left-side seat SL of the mounting structure of invention is illustrated.

Left-side seat SL mainly has seat cushion S10, backrest S20 and headrest S30.Detailed movement is said below Bright, left-side seat SL is constituted are as follows: when seat cushion S10 is moved forward, backrest S20 rearward topples over (structure relative to seat cushion S10 As can tumble) (referring to Fig. 8).

Seat cushion S10 has the cushion frame F1 of frame-shaped shown in Fig. 2, by covering on cushion frame F1 by polyurethane foam It the bolster of the compositions such as foam and is made of epidermis that leather or fabric etc. are constituted.In addition, cushion frame F1 is constituted are as follows: with energy The mode that enough bottom plates relative to vehicle body (vehicles bodies) are moved forward and backward is mounted on the bottom plate of the vehicle body, when tumbling It drives actuator (actuator) AC when movement by operation of seated person etc., makes cushion frame F1 relative to vehicle accordingly Body is moved forward or rearward.

Backrest S20 has backrest frame F2, by covering on backrest frame F2 by polyurethane foam Etc. the bolster of compositions and be made of epidermis that leather or fabric etc. are constituted.Backrest frame F2 is mainly by upper frame 10 and lower frame 20 constitute, wherein upper frame 10 constitute backrest S20 upper portion frame, lower frame 20 Constitute the frame of the lower portion of backrest S20.

Upper frame 10 is made of metal tubing, has vertical frame section 11 and the crossing frame portion of the left and right extended up and down 12, which extends and connects the upper end of vertical frame section 11,11 each other.In crossing frame portion 12, it is fixed with For installing the bearing bracket 13 of headrest S30.

Lower frame 20 is made of the metal tubing for being bent into substantially U-shaped.Pacify the lower end of lower frame 20 Loaded on the backrest mounting bracket B1 being arranged in the rear end of cushion frame F1, and the lower frame 20 can be along right and left It is rotated centered on to the axis A1 of extension.Lower frame 20 can be relative to rotation before and after cushion frame F1 as a result,.In addition, in detail Connection structure be illustrated later, the upper end of lower frame 20 is connect with upper frame 10, and 20 energy of lower frame It is enough to be rotated centered on the axis A2 extended in left-right direction.Accordingly, lower frame 20 can turn relative to before and after upper frame 10 Dynamic, backrest S20 can make upper portion and lower portion in substantially V-like shape in intermediate warpage.

The backrest S20 constituted in this way is mounted on backboard 60 in the way of it can move up and down by mobile mechanism M, The backboard 60 is configured in the rear of backrest S20.

Mobile mechanism M is the mechanism that backrest frame F2 can be made to move up and down relative to backboard 60, mainly by connecting It is constituted in the frame side part 30 of backrest frame F2 with the plate sidepiece part 40 for being connected to backboard 60.

As shown in Fig. 3 (a), frame side part 30 has pair of right and left directed section 31 and frame mounting bracket 32, the frame Frame mounting bracket 32 is used to frame side part 30 being installed on backrest frame F2.

Frame mounting bracket 32 is formed and making metal sheet metal bending, comprising: fixed part 32A；A pair of connecting portion 32B extends forward from the left and right ends of fixed part 32A；With pair of right and left frame mounting portion 32C, from each interconnecting piece 32B's Outside extends in the lateral direction for front end.

Here, being illustrated for the connection structure of upper frame 10 and lower frame 20.

The lower end of each vertical frame section 11 is fixed on to the frame mounting portion 32C of frame mounting bracket 32 by welding etc. Leading flank, accordingly, upper frame 10 are connect with frame side part 30.On the other hand, the upper end of lower frame 20 passes through respectively Pair of right and left bearing part 50 supports, and the lower frame 20 being capable of the front and back rotation centered on axis A2.

Also, frame side part 30 is engaged with bearing part 50 and is integrally formed.Specifically, as amplified table in Fig. 3 (b) As showing, bearing part 50 includes the 1st base portion 51, from the left and right ends of each frame mounting portion 32C in the lateral direction outside It is extended continuously；1st supporting part 52 extends forward from the end on the outside of the left and right directions of the 1st base portion 51, and the one of bolt 56 End, the bolt 56 pivotally connect lower frame 20 and bearing part 50；2nd component 53 passes through welding Deng and be fixed on the leading flank of the 1st base portion 51.2nd component 53 includes the 2nd base portion 54, is fixed on the 1st base portion 51；2nd bearing Portion 55 extends forward from the end on the inside of the left and right directions of the 2nd base portion 54, the other end of bolt 56.

Connection structure in this way, the side in upper frame 10 and lower frame 20 connect with another party, and this one It side being capable of the front and back rotation centered on axis A2 relative to another party.

Directed section 31 is the bar-like member for guiding it to move up and down by plate sidepiece part 40, and the above lower side extended Formula configuration.More specifically, each 31 left-right situs of directed section configures, on it fixed part of the end from frame mounting bracket 32 In the state that the upper edge of 32A is stretched out upwards, its lower end is fixed on the trailing flank of fixed part 32A by welding etc..

As shown in figure 4, plate sidepiece part 40 has pair of right and left holding section 41 and plate mounting bracket 42, the plate mounting bracket 42 For plate sidepiece part 40 to be mounted on backboard 60.

Plate mounting bracket 42 is formed and making metal sheet metal bending, comprising: fixed part 42A；A pair of connecting portion 42B；It extends back from the left and right ends of fixed part 42A；Pair of right and left plate mounting portion 42C, from the rear end of each interconnecting piece 42B Outside extends in the lateral direction.

Holding section 41 is the component of tubular, and with the state of left-right situs, the front side of fixed part 42A is fixed on by welding etc. On face.Each holding section 41 engages with frame side part 30 a, corresponding directed section 31 respectively, so that directed section 31 Mobile state can be slided up and down and keep the directed section 31.Accordingly, 40 guiding frame sidepiece part 30 of plate sidepiece part on move down It is dynamic.

The plate mounting portion 42C of plate mounting bracket 42 is fixed on to the bottom for the recess portion 63 being arranged on backboard 60 by bolt etc. Plate sidepiece part 40 is fixed on backboard 60 by portion accordingly.

As shown in figure 5, backboard 60 is the component formed ands to metal plate pressurization etc., it is configured in seat and leans on It carries on the back the rear of S20 (vehicle seat used S) and constitutes a part of vehicle body.In the present embodiment, backboard 60 is in substantially left and right pair Claim, mainly includes seat forward surface 61, it is opposite with backrest S20；In the through-hole 62 of 61 upper opening of seat forward surface and recessed Portion 63；Engage guide portion 64, the bottom of recess portion 63 is set.

Seat forward surface 61 is formed as the roughly planar extended along the moving direction of backrest S20.

Center for lightweight for realizing backboard 60 etc. in backboard 60 forms through-hole 62.

Recess portion 63 is arranged on the left and right sides of through-hole 62, and in a manner of being rearward recessed relative to seat forward surface 61 It is formed.In the present embodiment, plate sidepiece part 40 is fixed on the bottom of the recess portion 63 in left side.

Recess portion 63 is arranged to: rough rectangle when longer up and down direction, main visual observation is formed, in the recess portion 63, The directed section 31 of frame side part 30 can be made to be engaged from below with the holding section 41 of plate sidepiece part 40.Specifically, Recess portion 63 is sized to: being able to enter the entirety of frame side part 30 and is installed in the recess portion 63, plate sidepiece part The lower position of 40 holding section 41, wherein plate sidepiece part 40 is fixed on the part (reference against the top of the bottom of recess portion 63 Fig. 7 (b)).

In addition, recess portion 63 is arranged to: when installing backrest S20 on backboard 60, by making backrest S20 Upper end ST (referring to Fig. 7 (a)) be aligned with the upper edge 63A of the recess portion 63, so as to being drawn frame side part 30 The holding section 41 for leading portion 31 and plate sidepiece part 40 is aligned in the position that can be realized engaging.Specifically, as shown in fig. 6, recess portion 63 are arranged to: in the up-down direction, the interval D 1 of the lower end of edge 63A to the holding section of plate sidepiece part 40 41 is small from it Interval D 2 in the upper end from the upper end ST of backrest S20 to the directed section of frame side part 30 31.

As shown in figure 4, engaging guide portion 64 is to be set to the bottom of recess portion 63 in the longer channel-shaped recess of up and down direction Point, an engaging guide portion is each provided in the lower section of each holding section 41 for the plate sidepiece part 40 for being fixed on the bottom of recess portion 63 64.More specifically, engaging guide portion 64 formation are as follows: depth gradually becomes shallower as with the hole towards holding section 41.Accordingly, as general When backrest S20 is installed to backboard 60, draw in the upper end for the directed section 31 for making frame side part 30 along the engaging of channel-shaped Lead portion 64 configure while, move up frame side part 30 (backrest S20), hereby it is possible to by directed section 31 to The hole of holding section 41 guides.

As shown in fig. 6, seat forward surface 61 is leaned on along seat in the state that backrest S20 is installed on backboard 60 It carries on the back the rear surface of S20 and configures.Furthermore, in the present embodiment, backrest S20 is configured in its rear surface and back The position that the seat forward surface 61 of plate 60 connects.

In addition, in the state that backrest S20 is installed on backboard 60, shape of the mobile mechanism M to enter in recess portion 63 State configuration.Furthermore, in the present embodiment, the part being connect with backboard 60 in mobile mechanism M, i.e. plate sidepiece part 40 Entered with its entirety and is housed in the configuration of the state in recess portion 63.

Then, backrest S20 is illustrated to the installation of backboard 60.

Backrest S20 makes as follows, that is, as shown in Fig. 2, upper frame 10 is fixed on frame side part 30, lower frame 20 is pivotally connected to the bearing part 50 being integrally formed with frame side part 30, accordingly group Backrest frame F2 is filled, also, in the state of exposing directed section 31, covers bolster on backrest frame F2 And epidermis.In addition, as shown in figure 5, the bottom of the recess portion 63 in the backboard 60 for being fixed on vehicle body, fixed plate sidepiece part 40.

As shown in Fig. 7 (a), in 60 upper mounting seat chair back S20 of backboard, firstly, making the upper end ST of backrest S20 Height and position be set to backboard 60 recess portion 63 upper edge 63A aligned in position.Accordingly, in the up-down direction, frame The upper end of the directed section 31 of frame sidepiece part 30 is configured in the lower section of the lower end of the holding section 41 of plate sidepiece part 40.

Then, the height and position of backrest S20 is kept, and makes it close to backboard 60, it, will be from seat as shown in Fig. 7 (b) In the space for the lower section that the rear portion of chair back S20 frame side part 30 outstanding is housed in the plate sidepiece part 40 in recess portion 63.

Later, the left and right of backrest S20, the position of front and back are adjusted on one side, make being guided for frame side part 30 on one side Engaging guide portion 64 of the upper end in portion 31 with channel-shaped engages, also, make the upper end of directed section 31 along engaging guide portion 64 Move up backrest S20 while configuration.Accordingly, the upper end of directed section 31 guides same in engaged guide portion 64 When engage with the holding section 41 of plate sidepiece part 40, thus backrest S20 is mounted on backboard 60.

In the present embodiment, as shown in Fig. 7 (a), (b), frame side part 30 can be made to initially enter in recess portion 63, it It is sticked in plate sidepiece part 40 from below afterwards to be assembled, therefore, can be improved when backrest S20 is installed on backboard 60 Workability.

In addition, due to being provided with engaging guide portion 64 on backboard 60, thus, it is easy to which frame side part 30 is sticked in plate The holding section 41 of sidepiece part 40.In addition, being aligned the upper end ST of backrest S20 with the upper edge 63A of recess portion 63, as a result, In the up-down direction, frame side part 30 and plate sidepiece part 40 can be aligned in the position for being able to carry out engaging, thus, it is easy to Frame side part 30 is sticked in plate sidepiece part 40.As a result, in the present embodiment, it can further increase backrest S20 is installed on workability when backboard 60.

Also, in the present embodiment, the upper portion and lower portion of backrest S20 can in intermediate warpage, therefore, When backrest S20 is installed on backboard 60, even if the lower portion of backrest S20 is contacted with underbody, by making The lower portion of backrest S20 bending forward, without interfering installation exercise.Hereby it is possible to which further increasing makes frame side Component 30 engages with plate sidepiece part 40 from below and is installed on backrest S20 the workability of the operation of backboard 60.

After backrest S20 is installed on backboard 60, as shown in fig. 6, seat cushion S10 is connected to backrest S20, And seat cushion S10 can be rotated centered on axis A1, also, seat cushion S10 is mounted on the bottom plate of vehicle body.Also, it will headrest S30 is mounted on backrest S20, and accordingly, vehicle seat used S (left-side seat SL) is mounted on vehicle body.At this point, seat leans on The rear surface of back S20 connects with the seat forward surface 61 of backboard 60.

Then, the movement of tumbling of vehicle seat used S (left-side seat SL) is illustrated.

When driving actuator AC (referring to Fig. 2) by the operation etc. of seated person, make cushion frame from state shown in fig. 6 When frame F1 (seat cushion S10) is moved forward, as shown in Fig. 8 (a), pulled by cushion frame F1, the lower box of backrest frame F2 The lower end of frame 20 moves forward.Accordingly, lower frame 20 downwardss to move while rotating forward centered on axis A2, according to This and pull upper frame 10 downwards, upper frame 10 is moved down relative to backboard 60 by mobile mechanism M.As a result, such as Shown in Fig. 8 (b), backrest S20 becomes the state rearward toppled over relative to seat cushion S10.

On the other hand, when the state shown in Fig. 8 (b), actuator AC is driven, when moving backward cushion frame F1, such as Shown in Fig. 8 (a), pushed by cushion frame F1, the lower end of the lower frame 20 of backrest frame F2 moves backward.Accordingly, Lower frame 20 is moved upward while being rotated backward centered on axis A2, is thus pushed up upper frame 10, top Frame 10 is moved up by mobile mechanism M relative to backboard 60.As a result, as shown in fig. 6, backrest S20 is relative to seat Padding S10 becomes erected state.

Present embodiment from the description above, as shown in fig. 6, mobile mechanism M is to enter in the recess portion 63 of backboard 60 State configuration, therefore, can so that backrest S20 close to backboard 60, to make backrest S20 and the close state of backboard 60 To configure.Hereby it is possible to inhibit to form dead zone (Dead between the seat forward surface 61 and backboard 60 of backrest S20 Space), and ensure backrest S20 front side space.

Especially in the present embodiment, backrest S20, which is configured in, connects with the seat forward surface 61 of backboard 60 Therefore position can further inhibit to form dead zone between the seat forward surface 61 and backboard 60 of backrest S20, and And ensure the front space of backrest S20.In addition, backrest S20 connects with backboard 60, accordingly, backboard 60 can with compared with Large area bears the load from backrest S20, therefore, can steadily support backrest S20.

In addition, the frame side part 30 of mobile mechanism M is fixed on the lower end of upper frame 10, it therefore, can be by movement Near the center of the backboard 60 of mechanism M configuration in the up-down direction.Hereby it is possible to by mobile mechanism M in the center of backboard 60 The load from backrest S20 nearby is born, therefore, can steadily support backrest S20.

In addition, frame side part 30, which is engaged in, rotatably supports lower frame 20, high rigidity bearing Component 50 engages, and still further, the bearing part 50 of frame side part 30 and high rigidity is integrally formed, therefore, Neng Gouti The assembling rigidity of high frame side part 30, i.e. mobile mechanism M.

The 2nd embodiment > of <

As shown in figure 9, vehicle seat involved in the 2nd embodiment is configured to use in the pillion of automobile Vehicle seat used S.In addition, in the following, marking same mark to composition structural element identical with the embodiment illustrated before Note, and suitably omit its description.

Vehicle seat used S mainly includes center seat S1；Left-side seat S2 is configured adjacently in a left side of center seat S1 Side；Right-side seat S3 is configured adjacently in the right side of center seat S1；Left side S4 is configured adjacently in left-side seat S2's The left side of backrest S20；Right side S5 is configured adjacently in the right side of the backrest S20 of right-side seat S3；The channel and (conduit component, duct) 80.In the present embodiment, vehicle seat used S is in substantially symmetrical structure, therefore, in the following, right The structure of the side left-side seat S2 is illustrated.

Left-side seat S2 mainly has seat cushion S10, backrest S20 and headrest S30.Detailed movement is said below Bright, left-side seat S2 is constituted are as follows: when seat cushion S10 is moved forward, backrest S20 rearward topples over (structure relative to seat cushion S10 As can tumble) (referring to Fig.1 6).

In the present embodiment, backrest S20 is an example of seat portion.Therefore, in the present embodiment, left and right Direction is equivalent to " the 1st direction " of the left side S4 arrangement of backrest S20 and an example as side, front-rear direction phase When " the 2nd direction " opposite in seated person and backrest S20, up and down direction is equivalent to double perpendicular to the 1st direction and the 2nd direction " the 3rd direction " of side.

Seat cushion S10 is built-in with the cushion frame F1 of such frame-shaped shown in Fig. 10, by covering on cushion frame F1 It the bolster that is made of polyurethane foam etc. and is made of the epidermis that leather or fabric etc. are constituted.In addition, cushion frame F1 is constituted Are as follows: by can relative to the bottom plate of vehicle body (vehicles bodies) be moved forward and backward in a manner of be mounted on vehicle body bottom plate on, when into Row is tumbled when acting, and actuator AC is driven by operation of seated person etc., thus make cushion frame F1 relative to vehicle body forward Or it moves backward.

The backrest frame F2 of the built-in example as seat frame of backrest S20, and by being leaned in seat The bolster that is made of polyurethane foam etc. is covered on back frame frame F2 and is made of epidermis that leather or fabric etc. are constituted.Seat Back frame F2 mainly has main frame F21 and extension F22, and extension F22 is configured to from main frame F21 to the left and right (the left side side S4) extends on the outside of direction.

Main frame F21 with lower component mainly by being constituted: upper frame 10 constitutes the upper portion of main frame F21；Under Portion's frame 20 constitutes the lower portion of main frame F21；Bearing part 330 connects upper frame 10 and lower frame 20； With the directed section 31 as pair of right and left guided member.

Upper frame 10 is made of metal tubing, comprising: the vertical frame section 11 and crossing frame of the left and right extended up and down Portion 12, the crossing frame portion 12 or so extend, and connect the upper end of vertical frame section 11,11 each other.It is fixed in crossing frame portion 12 There is the bearing bracket 13 for mounting head pillow S30.

Lower frame 20 is made of the metal tubing for being bent into substantially U-shaped.The lower end of lower frame 20 with It is set to the backrest mounting bracket B1 connection of the rear end of cushion frame F1, and the lower frame 20 can be along right and left It is rotated centered on to the axis A1 of extension.Accordingly, lower frame 20 can be relative to rotation before and after cushion frame F1.

As shown in Figure 11 (a), bearing part 330 is formed and making metal sheet metal bending, has the 1st component 332 With the 2nd component 33 of pair of right and left.1st component 332 includes fixed part 32A；A pair of connecting portion 32B, from a left side of fixed part 32A Right both ends extend forward；Pair of right and left frame mounting portion 32C, from the front end of each interconnecting piece 32B, outside extends in the lateral direction； With the 1st supporting part 32D, extend forward from the end on the outside of the left and right directions of each frame mounting portion 32C.In addition, such as Figure 11 (b) Shown, the 2nd component 33 has base portion 33A and the 2nd supporting part 33B, and the 2nd supporting part 33B is on the inside of the left and right directions of base portion 33A End extend forward.2nd component 33 is configured as: base portion 33A is fixed on to the front side of frame mounting portion 32C by welding etc. End on the outside of the left and right directions in face, accordingly, the 2nd supporting part 33B are opposite with the 1st supporting part 32D in the lateral direction.

As shown in Figure 10 and Figure 11, the lower end of each vertical frame section 11 is fixed on by frame mounting portion 32C by welding etc. Leading flank left and right directions on the inside of end, accordingly, upper frame 10 is connect with bearing part 330.In addition, lower frame 20 It is positioned respectively between the 1st supporting part 32D and the 2nd supporting part 33B with each upper part, and can be with axis A2 in left-right direction The mode rotated before and after center, is connect via supporting part 32D, 33B with bearing part 330 by bolt 56.Accordingly, upper box Frame 10 and lower frame 20, being capable of the front and back rotations centered on axis A2 relative to another party by a side by bearing part 330 Mode is supported, and backrest S20 is in such a way that upper portion and lower portion are in substantially V-like shape in intermediate warpage (reference Figure 16 (b)).

Directed section 31 is the bar-like member that can be guided and move up and down by aftermentioned plate sidepiece part 40.Such as Figure 11 (a) shown in, the configuration of 31 left-right situs of directed section is upward in the upper edge of upper end from the fixed part 32A of bearing part 330 In the state of stretching, lower end is fixed on to the trailing flank of fixed part 32A by welding etc., accordingly directed section 31 and supporting part Part 330 engages.

The main frame F21 (backrest frame F2) constituted in this way is constituted are as follows: can be by plate sidepiece part 40, relative to vehicle Body moves up and down.

Plate sidepiece part 40 has pair of right and left holding section 41 and plate mounting bracket 42.Plate mounting bracket 42 is by making made of metal Sheet metal bending and formed, and include fixed part 42A；A pair of connecting portion 42B prolongs backward from the left and right ends of fixed part 42A It stretches；Pair of right and left plate mounting portion 42C, from the rear end of each interconnecting piece 42B, outside extends in the lateral direction.Holding section 41 is for quilt The cartridge that guide portion 31 engages, leading flank of the holding section 41 in fixed part 42A pass through welding with the state of left-right situs Etc. being fixed.Each holding section 41 keeps directed section 31, and the directed section 31 is slidably.By bolt etc. by plate mounting portion 42C is fixed on configuration in backboard 60 rear of vehicle seat used S, shown in Fig. 10, and accordingly, plate sidepiece part 40 is fixed on back On plate 60 (vehicle body).

Backrest frame F2 is arranged to: it is slided by directed section 31 relative to plate sidepiece part 40 (holding section 41), And can be relative to vehicle body, the initial position shown in Figure 16 (a) and shown in the lower section of initial position, Figure 16 (b) It is moved up and down between lower position.

As shown in figure 12, extension F22 is the part for supporting aftermentioned load bearing part M3 (Figure 14 reference), by conduct 210 structure of lower projection of the upper extension 110 of one example of the 1st extension and an example as the 2nd extension At.Upper extension 110 and lower projection 210 are arranged in the up-down direction, and upper extension 110 is configured in The top of lower projection 210.

Upper extension 110 and lower projection 210 are formed and making metal bar-like member bending respectively.More in detail For thin, upper extension 110 includes part 1 111, along the top of vertical frame section 11 diagonal extension to the left and right Oblique upper on the outside of direction extends；Part 2 112, from the upper end of part 1 111, outside extends in the lateral direction；3rd Divide 113, extends forward from the end on the outside of the left and right directions of part 2 112；7th part 117, along vertical frame section 11 Lower part and extend up and down；6th part 116, from the upper end of the 7th part 117, outside extends in the lateral direction；5th part 115, It extends forward from the end on the outside of the left and right directions of the 6th part 116；With the 4th part 114, to connect third portion 113 The mode of the front end of front end and the 5th part 115 extends up and down.

In addition, lower projection 210 includes part 1 211, along the lower extension upwards of lower frame 20；Part 2 212, from the upper end of part 1 211, outside extends in the lateral direction；Third portion 213, from the right and left of part 2 212 End outward extends forward；7th part 217 extends in about the 20 lower lateral edge lower frame of part 1 211；6th Part 216, from the lower end of the 7th part 217, outside extends in the lateral direction；5th part 215, from a left side for the 6th part 216 End on the outside of right direction extends forward；With the 4th part 214, to connect the front end and the 5th part 215 of third portion 213 The mode of front end extends up and down.

In addition, upper extension 110 and lower projection 210, which have, is used for constantly acting load bearing part M3 (referring to Fig.1 4) Fixed plate 120,220.Top tie plate 120 includes the 1st fixed part 121, is configured as being erected at part 1 111 and Between 6 parts 116, and fixed by welding；2nd fixed part 122, the end on the outside of the left and right directions of the 1st fixed part 121 Portion extends forward.In addition, lower tie plate 220 includes the 1st fixed part 221, by being fixedly welded on the 7th part 217；With 2nd fixed part 222 extends forward from the end on the outside of the left and right directions of the 1st fixed part 221.

The upper extension 110 and lower projection 210 constituted in this way in the up-down direction, is arranged at and avoids supporting part The position of part 330.Specifically, as shown in figure 13, upper extension 110 is arranged are as follows: in the upside of bearing part 330, passes through Upper and lower carrier unit 300 is fixed on the vertical frame section 11 in the left side of upper frame 10, accordingly, prolongs to the left from upper frame 10 It stretches.In addition, lower projection 210 is arranged are as follows: fixed by upper and lower carrier unit 300 in the lower position of bearing part 330 In lower frame 20, accordingly, extend to the left from lower frame 20.

As shown in figure 12, front and back a pair of mounting bracket 310 that carrier unit 300 is symmetrically formed by front and back is constituted.Each installation Bracket 310 is formed by metal plate, has the fixinig plate of substantially the frame holding section 311 of semi-circular cylindrical and a pair of plates shape 312, the fixinig plate 312 of a pair of plates shape extends in left-right direction from the left and right ends of frame holding section 311.

A pair of of mounting bracket 310 is to make in the state of clipping tubing (vertical frame section 11 or lower frame 20) from front and back Frame holding section 311 is sticked in tubing, by each 312 bolt fastening of fixinig plate in the mounting bracket 310 of another party opposite with it Fixinig plate 312 on, a pair of of mounting bracket 310 is fixed on tubing accordingly.Also, by welding upper extension 110 Part 1 111, the 7th part 117, the part 1 211 of lower projection 210, the 7th part 217 be fixed on positioned at right and left On the end of fixinig plate 312 outward, main frame F21 and extension F22 are connected accordingly.

As shown in figure 14, load bearing part M3 is by 230 structure of upper load bearing part 130 and underlying load bearing part At.Upper load bearing part 130 is formed as the substantially box-like of rear and opened downward by resin etc., and will be left by bolt etc. Side wall on the inside of right direction is fixed on top tie plate 120, and accordingly, upper load bearing part 130 is installed in top extension In portion 110.In addition, underlying load bearing part 230 is formed as the open substantially box-like in rear and top by resin etc., and pass through Side wall on the inside of left and right directions is fixed on lower tie plate 220 by bolt etc., and underlying load bearing part 230 is installed in accordingly On lower projection 210.

Upper load bearing part 130 and underlying load bearing part 230 are respectively configured are as follows: observe from the front, with channel 80 overlapping, on front side of wall 131,231 be configured in the part Chong Die with extension 110,120 on the left and right directions in channel 80 Front side (seated person side).

As shown in figure 15, left side S4 is the portion for constituting the back part of vehicle seat used S together with backrest S20 etc. Part is configured adjacently in the side of backrest S20.Left side S4 has frame (not shown), and by covering on the frame Bolster and epidermis and constitute.In the present embodiment, left side S4 is fixed in a manner of it will not move relative to vehicle body.

Channel 80 is tubular part, in order to which the cooling configuration in electric car and hybrid vehicle etc. is after backboard 60 The battery 66 of side, channel 80 supply cooling air out of compartment to receiving in the shell 67 that battery 66 is housed.Channel 80 The opening portion 80A of one side is provided in left side S4, and is connected in the front space of left side S4, i.e. compartment.In addition, channel 80 The opening portion 80B of another party be configured in shell 67, be connected to the space in the shell 67 configured with battery 66.In addition, The epidermis for covering left side S4 has gas permeability, so that the air in compartment can be taken into from opening portion 80A.In present embodiment In, channel 80 is fixed to will not be mobile relative to vehicle body.

When from up and down direction, channel 80 is configured as: to pass through from the rear position of the left part of main frame F21 By between upper extension 110 and lower projection 210, mode into the S4 of left side, outside in the lateral direction it is oblique before Fang Yanshen.Accordingly, channel 80 is configured to: the central portion on left and right directions from up and down direction, with upper extension 110 and Lower projection 210 is overlapped.In addition, the 4th part 214 of lower projection 210 from upper and lower always from, be configured in channel The front side of central portion on 80 left and right directions.

As shown in figure 13, channel 80 is configured as: when from front-rear direction, behind the left part of lower frame 20 The position of side enters the mode in the S4 of left side via between upper extension 110 and lower projection 210, to the left right Oblique upper outward extends.Channel 80 is configured as: being avoided as backrest frame F2 is from initial position position downwards Mobile and the movement of upper extension 110 moving range.Specifically, channel 80 is in shown in Figure 13 in backrest frame F2 Initial position when, be configured under upper extension 110 with being vacated with a gap the state of D5 between upper extension 110 Side, wherein interval D 5 than with backrest frame F2 from initial position position is mobile downwards and upper extension 110 is downward The moving distance of Fang Yidong is big.

In addition, channel 80 is when backrest frame F2 is in initial position with the interval between lower projection 210 D6 is less than the mode of its interval D 5 between upper extension 110, is configured in the state of close to lower projection 210 The top of lower projection 210.

Then, the movement of tumbling of vehicle seat used S is illustrated.

When the state shown in Figure 16 (a), actuator AC (referring to Fig.1 0) is driven by the operation etc. of seated person, makes seat When padding frame F1 (seat cushion S10) forward movement, pulled by cushion frame F1, the lower end of the lower frame 20 of backrest frame F2 Portion moves forward.Accordingly, lower frame 20 downwardss to move centered on axis A2 while rotating forward, pulls down accordingly Draw upper frame 10, upper frame 10 is guided by plate sidepiece part 40, while mobile relative to 60 slide downward of backboard.As a result, As shown in Figure 16 (b), backrest S20 becomes the state rearward toppled over relative to seat cushion S10.

At this point, as backrest frame F2 initial position shown in Figure 13 is mobile to lower position shown in Figure 17, 10 slide downward of upper frame is mobile, and accordingly, the slide downward in a manner of close to channel 80 of upper extension 110 is mobile, with Position is mobile downwards from initial position by backrest frame F2, lower frame 20 is .ed while being rotated forward centered on axis A2 It moves downwards, accordingly, lower projection 210 is mobile to oblique front lower place in a manner of far from channel 80.In the present embodiment, Channel 80 is configured as, and avoids carrying out mobile top from initial position position movement downwards with backrest frame F2 Therefore the moving range of extension 110 as shown in figure 17, can prevent backrest frame F2 from the downward orientation of initial position When setting mobile, 80 interference of upper extension 110 (backrest frame F2) and channel.

When the state shown in Figure 16 (b), actuator AC is driven, when moving cushion frame F1 rearward, by cushion frame Frame F1 is pushed, and the lower end of the lower frame 20 of backrest frame F2 is rearward moved.Accordingly, lower frame 20 is with axis A2 Center is moved upward while rotating backward, and thus pushes up upper frame 10, and upper frame 10 is by plate sidepiece part 40 guide and move relative to 60 upward sliding of backboard.As a result, backrest S20 is relative to seat cushion as shown in Figure 16 (a) S10 becomes erected state.

Present embodiment from the description above, as shown in figure 15, channel 80 are configured as: from up and down direction, with Upper extension 110 and lower projection 210 are overlapped, and therefore, the rear portion with being for example configured as channel and extending through portion extends To on the outside of the left and right directions of extension, the structure on the outside of the left and right directions in portion is extended through later and is compared, be able to suppress front and back The enlargement of vehicle seat used S on direction, left and right directions.Hereby it is possible to inhibit the enlargement of vehicle seat used S, and Channel 80 is arranged in vehicle seat used S.As a result, can also apply to be arranged in vehicle seat used S and lead in kart etc. The structure in road 80.In addition, channel 80 is configured as, from up and down direction, with upper extension 110 and lower projection 210 Overlapping, hereby it is possible to freely design the shape in channel 80 to a certain extent, in other words, can freely set to a certain extent Set piping structure.

In addition, in the present embodiment, the 4th part of load bearing part M3 (Figure 14 reference) and lower projection 210 214 are configured in the front side in channel 80, therefore, can be prolonged by the lower part for constituting load bearing part M3 and backrest frame F2 Extending portion 210 bears the load from seated person.Also, in the present embodiment, channel 80 is configured in 110 He of upper extension It, therefore, can be by constituting the upper extension 110 and lower projection 210 of backrest frame F2 between lower projection 210 To bear the load from up and down direction.Hereby it is possible to inhibit to apply load to hollow channel 80.

In addition, in the present embodiment, as shown in figure 13, when backrest frame F2 is in initial position, channel 80 Become smaller than the interval D 5 of channel 80 and upper extension 110 with the interval D 6 of lower projection 210, therefore, can reduce The interval of lower section upward upper extension 110 and lower projection 210.Hereby it is possible to make the backrest in up and down direction Frame F2 (backrest S20) densification.

In addition, in the present embodiment, in the up-down direction, setting is being kept away for upper extension 110 and lower projection 210 The position of bearing part 330 is opened, therefore, extension is set in the moving part for making backrest that intermediate warpage occur Structure compares, and extension F22 can be arranged by simple structure.Hereby it is possible to overall simplification backrest frame F2 Structure.

In addition, in the present embodiment, directed section 31 is engaged with bearing part 330, therefore, Gao Gang can be integrally formed The bearing part 330 of property and directed section 31, wherein the bearing part 330 of high rigidity pivotally supports upper box Frame 10 and lower frame 20.Hereby it is possible to the assembling rigidity of directed section 31 is improved, it is whole to improve the rigid of backrest frame F2 Property.

The 3rd embodiment > of <

As shown in figure 18, vehicle seat involved in the 3rd embodiment is used in the pillion of automobile Vehicle seat used S mainly has the center seat S1 of an example as the 1st adjacent component, as an example of the 1st seat The left-side seat S2 of son, as the 2nd seat example right-side seat S3, as an example of the 2nd adjacent component Left side S4 and right side S5.

Left-side seat S2 mainly has the seat cushion S21 of an example as the 1st seat cushion, as the one of the 1st backrest The backrest S22 of a example, headrest S23, as the 1st armrest an example armrest S24 and as the one of the 3rd armrest The armrest S25 of a example.Armrest S24 be arranged on backrest S22, as configured with center seat S1 side the right side Side, armrest S25 be arranged on backrest S22, as configured with left side S4 side left side.

Detailed movement is illustrated later, and as shown in figure 19, left-side seat S2 is constituted are as follows: when seat cushion S21 is to Forward When dynamic, backrest S22 rearward topples over relative to seat cushion S21 and (is configured to tumble).

Seat cushion S21 has the cushion frame F1 of frame-shaped shown in Figure 20, by covering on cushion frame F1 by polyurethane It the bolster of the compositions such as foam and is made of epidermis that leather or fabric etc. are constituted.In addition, cushion frame F1 is constituted are as follows: with The mode that can be moved forward and backward relative to the bottom plate of vehicle body (vehicles bodies) be mounted on the bottom plate of vehicle body, when tumbling When movement, drive actuator AC, accordingly, be moved forward or rearward relative to vehicle body by operation of seated person etc..

Backrest S22 has backrest frame F2, by covering on backrest frame F2 by polyurethane foam Etc. the bolster of compositions and be made of epidermis that leather or fabric etc. are constituted.Backrest frame F2 mainly includes upper box Frame 10 constitutes the frame of the upper portion of backrest S22；With lower frame 20, the following side of backrest S22 is constituted The frame divided.

Upper frame 10 is made of metal tubing, has vertical frame section 11 and the crossing frame portion of the left and right extended up and down 12, which extends and connects the upper end of vertical frame section 11,11 each other.It is fixed in crossing frame portion 12 useful In the bearing bracket 13 of installation headrest S23.

Lower frame 20 is made of the metal tubing for being bent into substantially U-shaped.The lower end of lower frame 20 with It is set to the backrest mounting bracket B1 connection of the rear end of cushion frame F1, and the lower frame 20 can be along right and left It is rotated centered on to the axis A1 of extension.Accordingly, lower frame 20 can be relative to rotation before and after cushion frame F1.In addition, in detail Connection structure be illustrated later, the upper end of lower frame 20 is connect with upper frame 10, and 20 energy of lower frame It is enough to be rotated centered on the axis A2 extended in left-right direction.Accordingly, lower frame 20 can turn relative to before and after upper frame 10 Dynamic, backrest S22 is in such a way that upper portion and lower portion are in substantially V-like shape in intermediate warpage.

The backrest S22 constituted in this way in a manner of it can move up and down, is mounted on backboard 60 mobile mechanism M On, which is configured in the rear portion of backrest S22.

Armrest S24, S25 are respectively provided with armrest frame F4, are made up of covering epidermis etc..One end of each armrest frame F4 Portion is connect and being fixed on the bracket B2 of lower frame 20 with lower frame 20, and each armrest frame F4 can be along left and right It is rotated centered on the axis A3 that direction extends.Accordingly, armrest S24, S25 can be relative to backrest S22, when as using The use state of state and as state when not in use receipts dress state (referring to Fig.1 8) between rotate.

Mobile mechanism M is such a mechanism: backrest frame F2 (backrest S22) can be made relative to backboard 60, it is moved up and down between initial position (referring to Fig.1 8) and lower position (referring to Fig.1 9) positioned at the lower section of initial position. Mobile mechanism M mainly includes frame side part 30, connect with backrest frame F2；With plate sidepiece part 40, with backboard 60 Connection.

As shown in Figure 21 (a), frame side part 30 has pair of right and left directed section 31 and frame mounting bracket 32, the frame Frame mounting bracket 32 is used to frame side part 30 being mounted on backrest frame F2.

The lower end of each vertical frame section 11 is fixed on to the frame mounting portion 32C of frame mounting bracket 32 by welding etc. Leading flank, accordingly, upper frame 10 are connect with frame side part 30.On the other hand, the upper end of lower frame 20 passes through respectively Pair of right and left bearing part 50 is supported, and the lower frame 20 being capable of the front and back rotation centered on axis A2.

Also, frame side part 30 is engaged with bearing part 50 and is integrally formed.Specifically, as Figure 21 (b) amplifies table As showing, bearing part 50 includes the 1st base portion 51, from the left and right ends of each frame mounting portion 32C in the lateral direction outside It is extended continuously；1st supporting part 52 extends forward from the end on the outside of the left and right directions of the 1st base portion 51, supports with rotatable Mode connects the one end of the bolt 56 of lower frame 20 and bearing part 50；It is solid by welding etc. with the 2nd component 53 Due to the leading flank of the 1st base portion 51.2nd component 53 includes the 2nd base portion 54, is fixed on the 1st base portion 51；With the 2nd supporting part 55, extend forward from the end on the inside of the left and right directions of the 2nd base portion 54, the other end of bolt 56.

Connection structure in this way, the side in upper frame 10 and lower frame 20 connect with another party, and this one It side being capable of the front and back rotation centered on axis A2 relative to the another party.

Directed section 31 is the bar-like member for guiding it to move up and down by plate sidepiece part 40, and is set in upper and lower extension It sets.More specifically, each 31 left-right situs of directed section configuration, in upper end from the fixed part 32A's of frame mounting bracket 32 In the state that upper edge is stretched out upwards, its lower end is fixed on the trailing flank of fixed part 32A by welding etc..

Plate sidepiece part 40 has pair of right and left holding section 41 and plate mounting bracket 42, which is used for plate side Component 40 is mounted on backboard 60 (referring to Figure 20).

Plate mounting bracket 42 is formed and making metal sheet metal bending, and includes fixed part 42A；A pair of connecting portion 42B posteriorly extends from the left and right ends of fixed part 42A；With pair of right and left plate mounting portion 42C, from each interconnecting piece 42B's Outside extends in the lateral direction for rear end.

Holding section 41 is the component of tubular, and the state on the leading flank of fixed part 42A with left-right situs passes through welding Deng fixation.Each holding section 41 engages with frame side part 30 a, corresponding directed section 31 respectively, so that directed section 31, which can slide up and down mobile state, keeps the directed section 31.Accordingly, 40 guiding frame sidepiece part 30 of plate sidepiece part is upper and lower It is mobile.The plate mounting portion 42C of plate mounting bracket 42 is fixed on backboard 60 by bolt etc., it is accordingly that plate sidepiece part 40 is fixed On backboard 60.

As shown in figure 18, right-side seat S3 has the seat cushion S31 of an example as the 2nd seat cushion, leans on as the 2nd seat Back an example backrest S32, headrest S33, as the 2nd armrest an example armrest S34 and armrest S35.Seat S31 is padded relative to the seat cushion S11 of center seat S1 in the side opposite with left-side seat S2, is configured adjacently with seat cushion S11, seat Backrest S12 of the backrest S32 relative to center seat S1, in the side opposite with left-side seat S2 and backrest S12 phase Neighbour's configuration.In addition, armrest S34 is set to the left side of the side as the center seat S1 configured with backrest S32, armrest S35 is set to the right side of backrest S32.

Right-side seat S3 is identical as left-side seat S2, and (referring to Fig.1 9) are also constituted in a manner of tipping.In addition, armrest S34, S35 are identical as armrest S24, S25, can be relative to backrest S32, shown in receipts dress state and Figure 19 shown in Figure 18 Use state between rotate.In the present embodiment, right-side seat S3 and left-side seat S2 is symmetrically constituted, therefore, Omit specific description.In addition, in the present embodiment, can make backrest S22 between initial position and lower position Mobile mobile mechanism M is equivalent to " the 1st backrest mobile mechanism ", and backrest S32 can be made in initial position and lower section The mobile mechanism M moved between position is equivalent to " the 2nd backrest mobile mechanism ".

As shown in figure 18, center seat S1 mainly has seat cushion S11, backrest S12 and headrest S13.Seat cushion S11 is on a left side It between the seat cushion S21 of side and the seat cushion S31 on right side, is configured adjacently by seat cushion S21, S31, seat of the backrest S12 in left side Between chair back S22 and the backrest S32 on right side, it is configured adjacently by backrest S22, S32.

Seat cushion S11 has cushion frame (not shown), and by covering bolster and structure and epidermis in the cushion frame At.In addition, backrest S12 has backrest frame (not shown), and buffered by being covered on the backrest frame Part C1 and epidermis C2 and constitute (referring to Figure 22).In the present embodiment, center seat S1 is with can not be mobile relative to vehicle body Mode is fixed.

Backrest S12, which has the receptacle portion H1 of an example as the 1st armrest receptacle portion and receives as the 2nd armrest, to be filled The receptacle portion H2 of one example in portion.

Receptacle portion H1 is to receive part of the dress in the armrest S24 for receiving dress state, by the left part for being formed in backrest S12 The open recess portion in front and left constitute.As shown in figure 22, receptacle portion H1 has opposite with the lower end for the armrest S24 for being received dress Downside forward surface G1 (the 1st downside forward surface).Before left-side seat S2 tumble movement, backrest S22 is in When initial position, defined space S P1 (gap) is provided between the lower end and downside forward surface G1 of armrest S24.The space SP1 is for allowing armrest S24 mobile downwards position (referring to Fig.1 9) from initial position with backrest S22, and from figure The space that position shown in 22 is moved downwards.In the present embodiment, forward surface G1 in downside is with more then more downward side forward Formula is tilted to oblique front lower place.

Receptacle portion H2 is to receive part of the dress in the armrest S34 for receiving dress state, by the right part for being formed in backrest S12 The open recess portion in front and right constitute.Receptacle portion H2 has the downside opposite with the lower end for the armrest S34 for being received dress opposite Face G1 (the 2nd downside forward surface).In the present embodiment, receptacle portion H2 and receptacle portion H1 substantially bilateral symmetry, therefore, omission pair The explanation of its specific structure.

As shown in figure 18, left side S4 is the backrest for constituting vehicle seat used S together with backrest S12, S22, S32 etc. Partial component is configured adjacently relative to backrest S22 in the side opposite with center seat S1 and backrest S22.It is left Side S4 has frame (not shown), and is constituted and covering bolster and epidermis on the frame.In the present embodiment, Left side S4 is fixed in a manner of it can not move relative to vehicle body.Left side S4 has one as the 3rd armrest receptacle portion The receptacle portion H3 of example and channel 80 (referring to Figure 23).

Receptacle portion H3 is to receive part of the dress in the armrest S25 for receiving dress state, by the right part for being formed in left side S4 The open recess portion in front and right.As shown in figure 22, receptacle portion H3 has the downside opposite with the lower end for the armrest S25 for being received dress Forward surface G1 (the 3rd downside forward surface).In the present embodiment, receptacle portion H3 and receptacle portion H1 bilateral symmetry, therefore, omission pair Its specific description.

As shown in figure 23, channel 80 is tubular part, in order to which cooling configures in electric car and hybrid vehicle etc. Battery 66 at the rear of backboard 60, channel 80 supply cooling air out of compartment to receiving in the shell 67 that battery 66 is housed It gives.Channel 80 is configured as: the front and back of left side S4 is connected in the S4 of left side.

More specifically, channel 80 includes transverse tube portion 81, extends in left-right direction；Front tube portion 82, from transverse tube portion 81 Left and right directions on the outside of end extend forwards；With rear pipe portion 83, from the end on the inside of the left and right directions in transverse tube portion 81 to Rear extends.Also, channel 80 is configured to: the inside in the compartment of the front side of the opening and left side S4 of the front side of front tube portion 82 Connection, the opening of the rear side of rear pipe portion 83 are connected to the inside of shell 67.It breathes freely in addition, the epidermis of covering left side S4 has Property.

In the present embodiment, receive dress armrest S25 receptacle portion H3 in the longitudinal direction, before transverse tube portion 81 is set Side, and in left and right directions in (transverse direction), it is arranged between backrest S22 and the front tube portion 82 in channel 80.Hereby it is possible to have Effect ground utilizes the space in the S4 of left side.In addition, can be born by armrest S25 when armrest S25 is installed in receptacle portion H3 Therefore load from front is able to suppress and applies load to the transverse tube portion 81 in channel 80.Hereby it is possible to well in protection Empty channel 80 is protected from loading effect.

As shown in figure 18, right side S5 is to constitute automobile seat together with backrest S12, S22, S32 and left side S4 The component of the back part of chair S, relative to backrest S32 in the side opposite with center seat S1 and backrest S32 phase Neighbour's configuration.In the present embodiment, right side S5 and left side S4 bilateral symmetry, and in a manner of can not be relative to vehicle body movement It is fixed.

Right side S5 has receptacle portion H4.Receptacle portion H4 is to receive part of the dress in the armrest S35 for receiving dress state, by being formed In right side, the open recess portion in the front of the left part of S5 and left is constituted.As shown in figure 22, receptacle portion H4 has and is received dress Armrest S35 the opposite downside forward surface G1 in lower end.In the present embodiment, the structure of receptacle portion H4 and receptacle portion H1 phase Together, therefore, it omits to its specific description.

In the present embodiment, vehicle seat used S also has cover member 91.

Cover member 91 is such a component: from coming from front, armrest S24, S34, S25, S35 of dress state are received in covering Lower end and corresponding receptacle portion H1~H4 downside forward surface G1 between space S P1.Cover member 91 by by leather or The cloth-like component of the substantially rectangular shape of the compositions such as fabric is constituted, be fixed on be in the armrest S24, S34 for receiving dress state, S25, The state of the front part of the lower end of S35 is arranged.By with such cover member 91 come concealed space SP1, therefore, Lower section in armrest S24, S25, S34, the S35 for receiving dress state can improve appearance in the structure of space S P1.

Then, the movement for armrest S24 when acting that tumbles with vehicle seat used S is acted for tumbling for vehicle seat used S It is illustrated.In addition, here, being said as representative example to the movement of left-side seat S2 and armrest S24 Bright, right-side seat S3 and armrest S25, S34, S35 also carry out identical movement.

When the state shown in Figure 24 (a), actuator AC (referring to Figure 20) is driven by the operation etc. of seated person, makes seat When padding frame F1 (seat cushion S21) forward movement, pulled by cushion frame F1, the lower end of the lower frame 20 of backrest frame F2 Portion moves forward.Accordingly, lower frame 20 downwardss to move while rotating forward centered on axis A2, pulls down accordingly Draw upper frame 10, upper frame 10 is moved down by mobile mechanism M relative to backboard 60.As a result, such as Figure 24 (b) institute Show, backrest S22 becomes the state rearward toppled over relative to seat cushion S21.At this point, as backrest S22 is from Figure 24 (a) Shown in initial position it is mobile to lower position shown in Figure 24 (b), lower frame 20 is rotated forward on one side centered on axis A2 Move downwards on one side, accordingly, armrest S24 as Figure 22, Figure 25 (a) and Figure 25 (b) successively shown in as, to the shifting of oblique front lower place It is dynamic.

On the other hand, when the state shown in Figure 24 (b), actuator AC is driven, when moving cushion frame F1 rearward, It is pushed by cushion frame F1, the lower end of the lower frame 20 of backrest frame F2 is rearward moved.Accordingly, lower frame 20 It is moved upward while being rotated backward centered on axis A2, thus pushes up upper frame 10, upper frame 10 is logical Mobile mechanism M is crossed to move up relative to backboard 60.As a result, backrest S22 is relative to seat cushion S21 as shown in Figure 24 (a) As erected state.At this point, as backrest S22 lower position shown in Figure 24 (b) is to initial bit shown in Figure 24 (a) Movement is set, lower frame 20 is moved upward while being rotated backward centered on axis A2, accordingly, armrest S24 such as Figure 25 (b), Figure 25 (a) and Figure 22 successively shown in as, it is mobile to diagonally above and backward.

Present embodiment from the description above, as shown in figure 22, in lower end and the receptacle portion for receiving the armrest S24 of dress state It is provided with space S P1 between the downside forward surface G1 of H1, therefore.As shown in Figure 25 (a), (b), as backrest S22 is from first The position movement downwards of beginning position, even if armrest S24 is mobile to oblique front lower place, armrest S24 will not be touched with downside forward surface G1 It hits.Hereby it is possible to when inhibiting backrest S22 position movement downwards, armrest S24 and the backrest for being formed with receptacle portion H1 S12 interference.

In addition, in the present embodiment, as position is mobile downwards from initial position by backrest S22, with along to The mode of the motion track of the lower end of the mobile armrest S24 in oblique front lower place, downside forward surface G1 are tilted to oblique front lower place, therefore, It is able to suppress downside forward surface G1 to interference with armrest S24, while space S P1 can be reduced.Accordingly, in armrest S24 and downside In vehicle seat used S between forward surface G1 with space S P1, appearance can be improved.

In addition, in the present embodiment, as shown in figure 18, backrest S22, the S32 that can be moved up and down with can not phase The two sides of the mobile backrest S12 of vehicle body are disposed adjacent, receptacle portion H2 has structure identical with receptacle portion H1, because This, armrest S34 when being able to suppress backrest S32 position is mobile downwards, with the backrest S12 that is formed with receptacle portion H2 Interference.

In addition, in the present embodiment, it, can not be relative to vehicle body in the two sides for the backrest S22 that can be moved up and down Mobile backrest S12 and left side S4 is disposed adjacent, but since receptacle portion H3 has structure identical with receptacle portion H1, because This, armrest S25 when being able to suppress backrest S22 position movement downwards is concerned with the left side S4 for being formed with receptacle portion H3 It relates to.The right side side S5 is also identical.

The 4th embodiment > of <

As shown in figure 26, vehicle seat involved in the 4th embodiment is used in the pillion of automobile Vehicle seat used S, mainly with left-side seat S2, as the 1st adjacent component another example right-side seat S6, left side S4 With right side S5.

Right-side seat S6 has to be constituted using the center seat S1 of the 3rd embodiment and right-side seat S3 as a seat Structure.Specifically, right-side seat S6 mainly has the seat cushion S61 of an example as the 4th seat cushion, as the 4th seat Backrest S62, headrest S13, S33 and armrest S34, S35 of one example of backrest.Seat cushion S61 seat cushion S21 right side with Seat cushion S21 is configured adjacently, and backrest S62 is configured adjacently on the right side of backrest S22 with backrest S22.

Right-side seat S6 have with left-side seat S2 same structure, that is, constitute are as follows: when seat cushion S61 move forward When, backrest S62 rearward topples over relative to seat cushion S61 (referring to Figure 24).In addition, in the present embodiment, seat can be made The mobile mechanism M that chair back S62 is moved between initial position and lower position is equivalent to " the 4th backrest mobile mechanism ".

On backrest S62, it is provided with the receptacle portion H5 and receptacle portion of another example as the 1st armrest receptacle portion H6。

As shown in figure 27, receptacle portion H5 is to receive part of the dress in the armrest S24 for receiving dress state, by being formed in backrest The open recess portion in the front and back and left of the left part of S62 is constituted.Receptacle portion H5 has opposite with the lower end for the armrest S24 for being received dress Downside forward surface G1 and the opposite upside forward surface G2 (the 1st upside forward surface) in upper end with the armrest S24 for being received dress.? Left-side seat S2 and right-side seat S6 tumble before movement, i.e., when backrest S22, S62 is in initial position, in elbow Space S P2 (gap) as defined in being provided between the upper end and upside forward surface G2 of S24.Space S P2 is in seat Backrest S22 is in the state of initial position, allows backrest S62 from the space of initial position position movement downwards.? In present embodiment, upside forward surface G2 becomes the face substantially parallel with the upper end for the armrest S24 for being received dress.

In the present embodiment, vehicle seat used S also has cover member 92 other than cover member 91.Cover member 92 is Such a component: observing from the front, the upside forward surface of upper end and receptacle portion H1 of the covering in the armrest S24 for receiving dress state Space S P2 between G2.Cover member 92 is made of component identical with the covering cover member 91 of space S P1, and to be fixed on seat State of the leading flank of chair back S62, part above receptacle portion H1 is arranged.By with such cover member 92, energy Therefore enough concealed space SP2 in structure of the top with space S P2 for receiving the armrest S24 of dress state, can improve appearance.

Back to Figure 26, receptacle portion H6 is to receive part of the dress in the armrest S34 for receiving dress state, by being formed in receptacle portion H5 The open recess portion in front on right side constitute.In the present embodiment, receptacle portion H6 together with backrest S62, armrest S34 It is moved between initial position and lower position, therefore, lower end and the receptacle portion opposite with the lower end in the armrest S34 for being received dress Between the downside of H6, gap big as space S P1 not will form.Equally, by receive dress armrest S34 upper end and with Between the upper surface of the opposite receptacle portion H6 in the upper end, gap big as space S P2 will not be formed.

When the state shown in Figure 26 only make right-side seat S6 tumble act when, backrest S62 is from shown in Figure 27 Initial position, mobile to lower position shown in Figure 28 (b) by the position of Figure 28 (a), the upper lateral part of backrest S62 Divide and passes through mobile mechanism M (referring to Figure 20) slide downward movement.At this point, in the present embodiment, in receipts dress state It is provided with space S P2 between the upper end of armrest S24 and the upside forward surface G2 of receptacle portion H5, therefore, is able to suppress backrest When S62 position movement downwards, backrest S62 is interferenceed with armrest S24, and wherein armrest S24 relative to seat can not lean on Back S62 mobile mode is arranged on backrest S22.

On the other hand, be illustrated referring to Figure 25 (a), (b), when from state shown in Figure 26 only make left-side seat S2 into Row is tumbled when acting, and backrest S22 is mobile from initial position to lower position shown in Figure 25 (b), and makes armrest S24 to oblique Front lower place is mobile.At this point, in the present embodiment, as shown in figure 27, in the lower end in the armrest S24 for receiving dress state and receiving dress Be provided with space S P1 between the downside forward surface G1 of portion H5, therefore, be able to suppress armrest S24 it is mobile to oblique front lower place when, armrest S24 is interferenceed with backrest S62, wherein backrest S62 by relative to backrest S22 it is irremovable in a manner of be arranged.

The 5th embodiment > of <

As shown in figure 29, vehicle seat involved in the 5th embodiment is used in the pillion of automobile Vehicle seat used S, it is identical as the vehicle seat used S of the 3rd embodiment, mainly there is left-side seat S2, left side S4, not shown Center seat, right-side seat and right side.

In the left and right sides of vehicle seat used S, it is provided with opening and closing Vehicular side body and carrys out car door D10 for boarding.In car door Auxiliary armrest R26 is provided on the door lining D11 of D10, auxiliary armrest R26 is formed as, and inside is prominent in the lateral direction, and edge Front-rear direction extends.

Armrest S25 is arranged to: when making left-side seat S2 rollover conditions, as backrest S22 is from initial position Position is mobile downwards, and armrest S25 is mobile to oblique front lower place.In the present embodiment, armrest S25 is arranged to: when making seat Position is mobile downwards by backrest S22, and from when receiving dress state and turning to use state, armrest S25 is configured adjacently in auxiliary elbow By the side of R26.Also, armrest S25 is disposed of: in the state of making backrest S22 position movement downwards carry out use, The aligned in position (substantially flush) of the upper surface 261 of the position and auxiliary armrest R26 of upper surface 251, also, rear end 252 The aligned in position of position and the rear end 262 of auxiliary armrest R26.

According to this structure, by making left-side seat S2 rollover conditions, and make armrest S25 use state, make Armrest S25 and auxiliary armrest R26 are constituted as integrated armrest, therefore, can be widened armrest to use.Especially at this In embodiment, due to armrest S25 rear end 252 position and auxiliary armrest R26 rear end 262 aligned in position, because This, can widen the rear portion of armrest, that is, place the part of ancon to use.

In addition, in the present embodiment, auxiliary armrest R26 is set to car door D10, and but it is not limited to this, for example, auxiliary elbow By also can be set in vehicle body.

The 6th embodiment > of <

As shown in Figure 1, vehicle seat involved in the 6th embodiment is the vehicle used in the pillion of automobile With seat S, and there is left-side seat SL of the configuration in the right-side seat SR on right side and configuration in left side.In the following, originally to application The structure of the left-side seat SL of the mounting structure of invention is illustrated.

Left-side seat SL has seat cushion S10, backrest S20 and headrest S30.Detailed movement is illustrated later, Left-side seat SL is constituted are as follows: when seat cushion S10 is moved forward, backrest S20 rearward topples over relative to seat cushion S10 (to be constituted For that can tumble) (referring to Figure 35 (b)).

As shown in figure 30, seat cushion S10 has the cushion frame F1 for the frame for constituting seat cushion S10, and by cushion frame The bolster that is made of polyurethane foam etc. is covered on frame F1 and is made of epidermis that leather or fabric etc. are constituted.Cushion frame Frame F1 is constituted are as follows: the bottom plate of vehicle body is mounted in a manner of it can be moved forward and backward relative to the bottom plate of vehicle body (vehicles bodies) On, when tumble act when, by operation of seated person etc. drive actuator AC, accordingly, forward or backward relative to vehicle body It is mobile.

Backrest S20 has the backrest frame F2 for the frame for constituting backrest S20, and by leaning in seat The bolster that is made of polyurethane foam etc. is covered on back frame frame F2 and is made of epidermis that leather or fabric etc. are constituted.Seat Back frame F2 includes upper frame 10, constitutes the upper portion of backrest frame F2；With lower frame 20, structure At the lower portion of backrest frame F2.

Upper frame 10 mainly includes the vertical frame section 11,11 of the top side frame as left and right, and left and right separation is matched It sets；With the crossing frame portion 12 as top connection framework, the upper end of vertical frame section 11,11 is connected each other.Vertical frame section 11 It is made of metal pipe, this is metal tubular to become: from the upper end to lower end, extending straight along roughly vertical direction. In other words, it indulges frame section 11 to constitute are as follows: without recessed with the inner or outer side on the left and right directions of backrest frame F2 The curved part of the mode of (avoiding).Crossing frame portion 12 is made of metal pipe, by welding etc. by left and right ends and vertical frame The upper end in frame portion 11 connects.In crossing frame portion 12, it is fixed with the bearing bracket 13 for installing headrest S30.

Lower frame 20 is mainly made of the metal pipe for bending to substantially U-shaped, and have be formed as one, The lower part side frame 21,21 and lower connecting frame 22 of left and right, wherein 21,21 or so the configured separate of lower part side frame of left and right, Lower connecting frame 22 connects the lower end of lower part side frame 21,21 each other.As shown in figure 31, the 2nd connecting bracket 640 passes through weldering The upper end for being fixed on lower part side frame 21 such as connect.The sheet metal component that 2nd connecting bracket 640 is shaped by pressure processing is constituted, and Both ends are formed as in the front-back direction for it, and inside is curved in the lateral direction, is in the cross-sectional observation in the shape of substantially U-shaped. 2nd connecting bracket 640 in the state that its lower end keeps the upper end of lower part side frame 21 on the outside of left and right directions with lower part Side frame 21 connects, and end is connect with aftermentioned connecting bracket 630 thereon.

Upper frame 10 and lower frame 20 are connected with each other by connecting bracket 630.Connecting bracket 630 is by pressure processing And the sheet metal component shaped is constituted, and includes the main part 631 of plate, is configured between vertical frame section 11,11；With left and right Frame extensions 632 extend forwards from the left and right ends of main part 631.By welding etc. by the lower end of vertical frame section 11 Portion is fixed on the left and right directions lateral surface of the frame extensions 632 of connecting bracket 630, accordingly, upper frame 10 with connect branch Frame 630 connects.On the other hand, the 2nd connecting bracket 640 for being fixed on the upper end of lower part side frame 21 passes through bolt 38 and nut 39 fastening is connect with the left and right directions medial surface of frame extensions 632, and the 2nd connecting bracket 640 can be along right and left It is rotated centered on to the axis A2 of extension, accordingly, lower frame 20 is supported on frame extensions 632, and the lower frame 20 It can be rotated centered on axis A2.Accordingly, the side in upper frame 10 and lower frame 20 can be relative to another party with axis It is rotated centered on A2, backrest S20 is in such a way that the part of the part of upside and downside is in substantially V-like shape in intermediate warpage (referring to Figure 35 (b)).

In addition, as shown in figure 30, the lower connecting frame 22 of lower frame 20 passes through backrest mounting bracket 23 and seat The rear end connection of frame F1 is padded, and lower frame 20 can be rotated centered on the axis A1 extended in left-right direction.Accordingly, under Portion's frame 20 being capable of the front and back rotation centered on axis A1 relative to cushion frame F1.

The backrest S20 constituted in this way is by mobile mechanism 100 shown in Figure 32, with can be relative to about 60 backboard Mobile mode is mounted on the backboard 60 (referring to Fig.1) configured in opposite directions with the back side of backrest S20.

Mobile mechanism 100 is the structure that backrest frame F2 can be made to move up and down relative to backboard 60, is mainly had There are guide rod 101, guide cylinder 102, plate-shaped carrier 103 and stiffening plate 104.

Guide rod 101 is bar-like member made of metal, and guide cylinder 102 is the cartridge engaged with guide rod 101. Guide rod 101 and guide cylinder 102 are with the engaging of slidable state.Guide rod 101 is configured to, and the direction that stick is extended is towards upper Lower direction, and the state of left-right situs is provided with 2.In addition, guide cylinder 102 is corresponding with each guide rod 101 and is provided with 2 It is a.

Bracket 103 is the component that backboard 60 is fixed on by the engaging of aftermentioned hook portion 170 and hook portion holding section 71, and With the 1st bracket 150 and the 2nd bracket 160.

1st bracket 150 is bent into L-shaped shape sheet metal component when being observed by side view is constituted, and mainly has the 1st mounting portion 151 and bar fixed part 152, the bar fixed part 152 extend forwards from the lower end of the 1st mounting portion 151.In the 1st mounting portion 151 On, it is provided with 3 through-holes (not shown) for passing through for bolt 108.Also, on the leading flank of the 1st mounting portion 151, lead to It crosses and is welded with 3 nuts 109 corresponding with each through-hole.2 are formed on bar fixed part 152 under guide rod 101 The interspersed through-hole 152A in end, 2 through-hole 152A are provided spaced apart in the lateral direction.Through-hole 152A is penetrated through in lower end In the state of, guide rod 101 is fixed on bar fixed part 152 by welding etc..

The sheet metal component that 2nd bracket 160 is shaped by pressure processing is constituted, and includes the 2nd mounting portion 161；Interconnecting piece 162, It extends forwards from the upper end of the 2nd mounting portion 161；Stiffening plate fixed part 163 prolongs upwards from the front end of interconnecting piece 162 It stretches.3 through-holes (not shown) for passing through for bolt 108 are provided on the 2nd mounting portion 161.In addition, as shown in figure 33, On the 2nd mounting portion 161, its back side is provided with hook portion 170.In addition, in Figure 33,100 (backrest frame of mobile mechanism F2 it) is shown with the state from coming from rear side, backboard 60 from front side as the state of part thereof of left part to show.

Hook portion 170 is arranged to, and top end part reclinate shape rearward prominent from the back side of the 2nd mounting portion 161 Shape is each provided with a hook portion 170 near the quadrangle at the back side of the 2nd mounting portion 161.In other words, respectively in the 2nd bracket 160 The back side upper and lower end, be each provided with left and right separation 2 hook portions 170.Further in other words respectively at the 2nd The left part and right part of frame 160 are each provided with 2 hook portions 170 separated up and down.Such hook portion 170 can for example pass through Welding etc. will be independent of the 2nd bracket 160 and the hook portion 170 that is formed is fixed on the 2nd bracket 160 and is arranged, and hook portion 170 can also be with It is wholely set and cutting a part for the 2nd bracket 160 being made of sheet metal component and bending with the 2nd bracket 160.

Back to Figure 32, the 1st bracket 150 and the 2nd bracket 160 are being located at front side, the 2nd mounting portion with the 1st mounting portion 151 161 are located at the mode of rear side, in the state of being overlapped the 1st mounting portion 151 and the 2nd mounting portion 161, make bolt 108 from back side It fastens and is integrally formed with the nut 109 being fixed on the 1st mounting portion 151 across through-hole (not shown), thus constitute bracket 103。

It is constituted when stiffening plate 104 is observed by side view in the sheet metal component of L-shaped shape bending, and has and be fixed portion 141 and add Strong portion 142, the reinforcement part 142 extend forwards from the lower end in the portion that is fixed 141.Stiffening plate 104 is configured in 2 guide rods Between 101, it is fixed portion 141 and is fixed on bracket 103 by welding etc., specifically, being fixed on stiffening plate fixed part 163 Leading flank on.Stiffening plate 104 is arranged to: when applying the upper end of load and guide rod 101 right to the left to guide rod 101 Whens being curved to the inside equal, the upper end of guide rod 101 is abutted with the side of reinforcement part 142.

In the present embodiment, as shown in figure 33, such mobile mechanism 100 is installed in the seat of backrest frame F2 On chair frame plate 650, it is arranged to a part of left-side seat SL accordingly.Seat frame frame plate 650 is shaped by pressure processing Sheet metal component is constituted, and in the top of connecting bracket 630, is configured in the mode being set up on vertical frame section 11,11.Mainly pass through by Left and right ends are fixed on vertical frame section 11 by welding etc., and seat frame frame plate 650 is connect with backrest frame F2.

Here, being illustrated to mobile mechanism 100 to the installation of backrest frame F2.

As shown in figure 34, when installing mobile mechanism 100 on backrest frame F2, firstly, by welding etc. by 2 Guide cylinder 102 (only illustrating a side) is fixed on the back side of seat frame frame plate 650 with the state of left-right situs.Then, will locate Guide rod 101 in the state of being fixed on the 1st bracket 150 runs through the guide cylinder 102 for being fixed on seat frame frame plate 650.And And in the 2nd bracket 160 of 150 over-assemble of the 1st bracket, wherein stiffening plate 104 is equipped on the 2nd bracket 160, by 3 bolts 108 fasten with the nut 109 for being fixed on the 1st bracket 150, thus connect the 1st bracket 150 and the 2nd bracket 160.Accordingly, Mobile mechanism 100 is installed on backrest frame F2.

Be fixed with guide rod 101 the 1st bracket 150 and the 2nd bracket 160 be connected in the state of, guide rod 101 it is upper End is abutted with the leading flank of the stiffening plate fixed part 163 of the 2nd bracket 160.Hereby it is possible to be propped up by bracket 103 from rear The upper end of guide rod 101 is held, also, cylinder 102 is directed to by stiffening plate fixed part 163 blocks and be able to suppress guide rod 101 fall off together with bracket 103 from guide cylinder 102.In addition, in the state that mobile mechanism 100 is installed on to backrest frame F2 Under, the front end of the reinforcement part 142 of stiffening plate 104 is abutted with the back side of seat frame frame plate 650.

As shown in figs. 33 and 34, the sheet metal component that backboard 60 is shaped by pressure processing is constituted, (right with vehicle seat used S Side seat SR and left-side seat SL) rear portion configured in opposite directions (referring concurrently to Fig. 1).In the present embodiment, backboard 60 is fixed on Vehicle body constitutes a part of vehicle body.On backboard 60, it is formed with pre-and post perforative opening 63C, seat mounting bracket 70 is to enter The state configuration of opening 63C is in opening 63C.

The sheet metal component that seat mounting bracket 70 is shaped by pressure processing is constituted, and is fastened on by bolt (not shown) etc. It is open around 63C, accordingly, seat mounting bracket 70 is fixed on backboard 60, in the seat installation branch for being installed on backboard 60 Hook portion holding section 71 is provided on the leading flank of frame 70.

Hook portion holding section 71 is the part that hook portion 170 is engaged, and is made of metal bar-like member.In more detail and Speech, hook portion holding section 71 are that metal bar-like member is made to bend to substantially U-shaped, and both ends are fixed on by welding etc. On the leading flank of seat mounting bracket 70.Accordingly, hook portion holding section 71 is fixed on backboard 60 by seat mounting bracket 70. Hook portion holding section 71 is corresponding in 2 hook portions 170 of 2 hook portions 170 of upside and configuration in downside with configuration, and is set as 2 of lower separation.

Then, the installation to left-side seat SL to vehicle body, is simply illustrated.

When left-side seat SL is installed on vehicle body, firstly, backrest S20 is installed on backboard 60.Specifically, such as Shown in Figure 33, makes the height and position of the mobile mechanism for being set to backrest S20 100 and be set to the seat installation branch of backboard 60 The height and position of frame 70 is aligned, while 2 hook portions 170 of upside being engaged with the hook portion holding section 71 of upside, by 2 of downside Hook portion 170 engages with the hook portion holding section 71 of downside.Accordingly, backrest S20 is mounted on backboard 60.Then, such as Figure 35 (a) shown in, seat cushion S10 is mounted on the bottom plate (ellipsis) of vehicle body.Also, headrest S30 is mounted on backrest S20 On, accordingly, left-side seat SL is mounted on vehicle body.

Then, it is illustrated for the movement of tumbling of left-side seat SL.

When the state shown in Figure 35 (a), actuator AC (referring to Figure 30) is driven by the operation etc. of seated person, makes seat When padding frame F1 (seat cushion S10) forward movement, as shown in Figure 35 (b), pulled by cushion frame F1, under backrest frame F2 The lower end of portion's frame 20 moves forward.Accordingly, lower frame 20 downwardss to move while rotating forward centered on axis A2 It is dynamic, upper frame 10 is pulled accordingly and downwards, and upper frame 10 is moved by mobile mechanism 100 relative to 60 slide downward of backboard It is dynamic.As a result, backrest S20 becomes the state (rollover conditions) rearward toppled over relative to seat cushion S10.

On the other hand, when actuator AC being driven, when moving cushion frame F1 rearward, such as Figure 35 (a) from rollover conditions It is shown, it is pushed by cushion frame F1, the lower end of the lower frame 20 of backrest frame F2 is rearward moved.Accordingly, lower part Frame 20 is rotated backward centered on axis A2, and is moved upward, and thus pushes up upper frame 10, upper frame 10 It is mobile relative to 60 upward sliding of backboard by mobile mechanism 100.As a result, backrest S20 becomes vertical relative to seat cushion S10 The state of rising.

Present embodiment from the description above will be set to the mobile mechanism 100 as a part of left-side seat SL Hook portion 170 engage with hook portion holding section 71, wherein hook portion holding section 71 by seat mounting bracket 70 be arranged in backboard 60 On, hereby it is possible to which backboard 60 and mobile mechanism 100 (left-side seat SL) is simply assembled.

In addition, mobile mechanism 100, which has, is fixed on the stiffening plate 104 of bracket 103, therefore, can by stiffening plate 104 come The plate-shaped carrier 103 being fixed on backboard 60 is inhibited to be bent.Accordingly, it is suppressed that the deformation of mobile mechanism 100, and make guide rod 101 and guide cylinder 102 can slide well, therefore, backrest S20 can be made to move up and down well.

In addition, the bracket for the left and right that the lower end of vertical frame section 11 is fixed on the connecting bracket 630 as a component prolongs In extending portion 632, and the upper end of lower part side frame 21 is rotatably supported centered on axis A2, therefore, and makes vertical frame The lower end in portion compares with the structure that the upper end of lower part side frame connects in such a way that left and right can independently rotate, and seat leans on Back frame frame F2 is difficult to happen deformation.Hereby it is possible to which backrest S20 is made therefore can to lean on seat in intermediate warpage well Back S20 is moved up and down well.

In addition, vertical frame section 11 is made of the pipe extended straight up and down, therefore, in left-right direction inwardly with vertical frame section Or the curved structure of external recess compares, and can simplify the structure of backrest frame F2.Accordingly, for example, system can be reduced Working hour when backrest frame F2 is made, or reduces cost.

In addition, hook portion 170 is provided spaced apart 2 in left and right, in addition, it is arranged 2 at interval apart from top to bottom, therefore, with The structure that 1 hook portion is only arranged compares, and can be mounted on mobile mechanism 100 on backboard 60 with stable state.Accordingly, energy It is enough better to move up and down backrest S20.Especially in the present embodiment, 4 hook portions 170 be separated from each other interval and Therefore configuration, when mobile mechanism 100 is installed on backboard 60, is able to suppress mobile mechanism 100 in the position at the angle of quadrangle It is shaken relative to backboard 60.Hereby it is possible to mobile mechanism 100 is mounted on backboard 60 with more stable state, it therefore, can Better move up and down backrest S20.

More than, embodiment is illustrated, but present invention is not limited to the embodiments described above, is not departing from invention In the range of purport, specific structure suitably can be changed as described below.

In the 1st embodiment, backboard 60 is arranged to: making the upper of the upper end ST of backrest S20 and recess portion 63 Edge part 63A alignment, accordingly, makes frame side part 30 and plate sidepiece part 40 be aligned in the position for being able to carry out engaging, but not It is limited to this.For example, backboard 60 is also configured to be installed on label 65 when by backrest S20 as shown in Figure 36 (a) When backboard 60, it is aligned the upper end ST of backrest S20 with label 65, it is accordingly, frame side part 30 and plate sidepiece part 40 is right Standard is in the position for being able to carry out engaging.More specifically, label 65 is formed in the top of recess portion 63, and is arranged to: upper and lower On direction, the interval D 3 from the label 65 to the lower end of the holding section of plate sidepiece part 40 41 is less than from the upper end of backrest S20 ST to the directed section of frame side part 30 31 upper end interval D 4.

According to above structure, make the height and position of the upper end ST of backrest S20 and the aligned in position of label 65, accordingly, In the up-down direction, the lower section that the upper end of directed section 31 can be configured in the lower end of holding section 41.Accordingly, such as Figure 36 (b) It is shown, in the space of the lower section for the plate sidepiece part 40 frame side part 30 being housed in recess portion 63, and from plate sidepiece part When 40 lower section engages frame side part 30, it is easy to engage frame side part 30 with plate sidepiece part 40, therefore, can be improved Backrest S20 is installed on to workability when backboard 60.In addition, as an example of label, showing phase in Figure 36 For seat forward surface 61 be recessed shape label 65, but it is not limited to this, for example, label can be it is opposite relative to seat Face shape outstanding.In addition, label can be formed by setting-out etc. on seat forward surface, it can also be on seat forward surface Sticking sign and formed.

In the 1st embodiment, as shown in fig. 6, directed section 31 is configured to, from right and left always from, and it is vertical Frame section 11 is substantially parallel, and but it is not limited to this.For example, as shown in figure 37, directed section 31 may be constructed are as follows: from left and right directions Observation, by more it is upward then further away from vertical frame section 11 in a manner of, relative to vertical frame section 11 to diagonally above and backward tilt.Such In structure, compared with the structure parallel with directed section and vertical frame section, there are directed section 31 relative to vertical frame section 11 to The case where overhang at rear becomes larger.But mobile mechanism M is configured with the state for entering recess portion 63, therefore, even if such In structure, also it is able to suppress and forms dead zone between the seat forward surface 61 and backboard 60 of backrest S20, to ensure that seat leans on Carry on the back the front space of S20.

In the 1st embodiment, directed section 31 and holding section 41 are constituted are as follows: are linearly prolonged from left and right directions It stretches, but it is not limited to this.For example, as shown in figure 38, directed section 31 and holding section 41 also may be constructed are as follows: always from right and left Observation, front side are bent in a manner of recessed.According to this structure, can adjust directed section 31 along holding section 41 sliding and Angle when upper frame 10 moves up and down, upper frame 10 is relative to backboard 60.Hereby it is possible to adjust backrest S20 The tilt angle of upper portion therefore the posture of seated person can be made more comfortable when backrest S20 falls.

In the 1st embodiment, position of the guide portion 64 in the lower section of the holding section of plate sidepiece part 40 41, shape are engaged Channel-shaped as the bottom that recess portion 63 is arranged in is recessed posture, and but it is not limited to this.It is illustrated for example, referring to Fig. 4, engaging is drawn The portion of leading can also be formed as a pair of of protrusion, which observes from below to clip in the position of the lower section of holding section 41 The mode in the hole of holding section 41 is provided projectingly from the bottom of recess portion 63.According to this structure, make being drawn for frame side part 30 The upper end for leading portion 31 is fastened between a pair of of protrusion, moves up backrest S20 (frame side part 30), hereby it is possible to Directed section 31 is guided to the hole of holding section 41.

In addition, engaging guide portion 64 is also configured to guide recess 64A and guide protrusion as shown in Figure 39 (a) 64B, guide recess 64A are for introducing the directed section 31 of frame side part 30 to the engaging guide portion 64, guide protrusion 64B With guide surface, which is extended continuously from the bottom surface of guide recess 64A, and directed section 31 is drawn to the hole of holding section 41 It leads.In addition, engaging guide portion 64 guides the guide surface of directed section 31 that can also be formed as inclined plane shape as shown in Figure 39 (b), it should Inclined plane shape extends in a manner of to the hole of holding section 41 towards diagonally above and backward.

In addition, being constituted in the 1st embodiment are as follows: engaging guide portion 64 is set in the recess portion 63 of backboard 60, directly It connects and guides the directed section 31 of frame side part 30 to holding section 41, but it is not limited to this.For example, engaging guide portion can also be with Constitute are as follows: rib shape being formed as the outside for being set to recess portion, extending up and down protrusion, directly guide upper frame on move down It is dynamic, accordingly, frame side part is guided to holding section indirectly.

In the 1st embodiment, constitute are as follows: bearing part 50 pivotally supports lower frame 20, frame Frame sidepiece part 30 is connect with upper frame 10, and but it is not limited to this.For example, it is also possible to constitute are as follows: bearing part is with rotatable Mode supports upper frame, and frame side part is connect with lower frame.

In the 1st embodiment, being installed on the state of backboard 60, (seated person is sitting in left side seat to backrest S20 State before chair SL) under, it is configured in the position being in contact with backboard 60, but it is not limited to this.For example, it is also possible to configure with Lower such position has a little gap, and utilize seat in the state of being installed on backboard between backrest and backboard When seated person on the seat leans on backrest and applies dependence load, backrest is contacted with backboard.

In the 1st embodiment, constitute are as follows: frame side part 30 can be in the recess portion 63 of backboard 60, from below Engage with plate sidepiece part 40, but it is not limited to this.For example, frame side part also may be constructed are as follows: in the recess portion of backboard, from upper Side engages with plate sidepiece part.

In the 1st embodiment and the 6th embodiment, vehicle seat used S, which is configured to left-side seat SL, to tumble, but It is not limited to this.For example, the vehicle seat used right-side seat that is also configured to can tumble, be also configured to left-side seat and The both sides of right-side seat are able to tumble.In addition, vehicle seat used or Fig. 1 left-side seat SL and right-side seat SR It is integrally formed the structure of (1 seat), or the knot for being divided into 3 parts being made of the seat of central seat and left and right Structure.

In the 2nd embodiment, directed section 31 is engaged with bearing part 330, and but it is not limited to this.For example, Can be as shown in figure 40, directed section 31 is engaged with one with the component of extension F22.More specifically, shown in Figure 40 Variation in, the part 1 111 of upper extension 110 is fixed on the carrier unit 301 of upper frame 10 by being configured in The above-mentioned mounting bracket 310 of front side and the mounting bracket 320 for being configured in rear side are constituted.Also, mounting bracket 320 is in addition to above-mentioned Frame holding section 311 and a pair of of fixinig plate 312 except, also include fixed part 321, be configured in a left side from coming from front Between right vertical frame section 11；Right interconnecting piece 322 extends forward from the right end of fixed part 321, is fixed on the right side by welding etc. On the vertical frame section 11 of side；With left interconnecting piece 323, extend forward from the left end of fixed part 321, and with left and right directions on the inside of 312 integrally connected of fixinig plate, by welding etc. by the end of the fixed fixinig plate 312 in outside in left and right directions of part 1 111 Portion is integrally formed upper extension 110 accordingly.31 left-right situs of directed section configuration, in lower end under fixed part 321 In the state that edge part extends downwardly, upper end is fixed on the trailing flank of fixed part 321 by welding etc., accordingly, with one There is body the mounting bracket 320 of upper extension 110 to engage.According to this structure, directed section 31 is in a movable manner It is kept by the holding section 41 of plate sidepiece part 40, hereby it is possible to improve the rigidity of mounting bracket 320, therefore, can reinforce being fixed on Upper extension 110 in mounting bracket 320.Hereby it is possible to the whole rigidity for improving backrest frame F2.

In the 2nd embodiment, a part (lower projection 210) of extension F22 is configured before channel 80 Side, but it is not limited to this, for example, it is also possible to configure the both sides of lower projection and upper extension in the front side in channel.Separately Outside, in the 2nd embodiment, be provided on backrest frame F2 upper extension 110 and lower projection 210 this 2 extensions, but it is not limited to this, for example, extension also can be set 3 or more, is also possible to only be arranged 1 structure.

In the 2nd embodiment, extension F22 is formed separate from the component of main frame F21, but is not limited to This, for example, extension can also be integrally formed with main frame.

In the 2nd embodiment and the 3rd embodiment, channel 80 is used to supply the air for cooling down battery, but The purposes in channel is not limited to this, for example, channel can be used for sucking or blowing out the air of idle call.

In the 2nd embodiment, seat portion is backrest S20, and backrest S20 is built-in to be used as seat frame Backrest frame F2, but it is not limited to this.For example, seat portion may be seat cushion, the seat cushion is built-in to be used as seat frame Cushion frame.In addition, when seat portion is seat cushion, it is being configured adjacently in the seat cushion side, for example, the components such as side seat cushion are suitable In side.In addition, left and right directions is equivalent to " the 1st direction " of seat portion and side arrangement, upper and lower when seat portion is seat cushion To " the 2nd direction " of seated person and seat portion in opposite directions is equivalent to, front-rear direction is equivalent to hang down with the 1st direction and the 2nd direction both sides Straight " the 3rd direction ".

In the 3rd embodiment, as shown in figure 22, cover member 91 is fixed on armrest S24, and but it is not limited to this.Example Such as, it is illustrated referring to Figure 22, cover member 91, can also be to connect in the armrest S24 for receiving dress state when with retractility Lower end front part and backrest S12 leading flank receptacle portion H1 section below mode, be fixed on armrest The both sides of S24 and backrest S12.

In addition, the upper end is fixed in the armrest for receiving dress state by cover member 93 by suture etc. as shown in Figure 41 (a) The lower end of S24, and by the bending in a manner of wound on bar-shaped portion 79 of its lower end, and after configuring in space S P1, pass through Clamping piece or pin are fixed on the forward surface G1 of downside, wherein bar-shaped portion 79 is arranged at receptacle portion H1, and prolongs in left-right direction It stretches.Here, cover member 93 has the pars contractilis 93A with retractility.Pars contractilis 93A is arranged on the lower end of cover member 93, When armrest S24 is to receive dress state, can not see from front side.Under mode shown in Figure 41, cover member 93 has pars contractilis 93A, accordingly, as shown in Figure 41 (b), when making armrest S24 use state, pars contractilis 93A shrink, when make armrest S24 receipts When dress state, pars contractilis 93A stretches out.Hereby it is possible to which cover member 93 is inhibited to generate fold etc..Pars contractilis 93A for example can be by can The formation such as flexible rubber strip, can also be formed as telescopic accordion-like.In addition, the pars contractilis of cover member is arranged to: when Stretching when making armrest use state, the contraction when making armrest receive dress state.

In addition, cover member 91 is made of the component of cloth-like, but not in the 3rd embodiment and the 4th embodiment It is limited to this, for example, cover member can also be by having flexible plate-shaped member etc. to constitute.

In the 3rd embodiment and the 4th embodiment, the downside forward surface G1 of receptacle portion H1 is formed as to tiltedly front lower The inclined face in side, but it is not limited to this.It is illustrated for example, referring to Figure 22, downside forward surface can also be formed as and be in receipts The substantially parallel face in the lower end of the armrest S24 of dress state.

In the 3rd embodiment and the 4th embodiment, armrest S24 is arranged to: as backrest S22 is from first Beginning position downwards position it is mobile and mobile to oblique front lower place, but it is not limited to this.For example, can be set are as follows: work as backrest When entirety slides up and down mobile between initial position and lower position, the armrest of backrest is set to also with backrest Movement, slide up and down movement.

In the 3rd embodiment, the two sides of backrest S22 are arranged in armrest S24, S25 and receptacle portion H1, H3, But it is not limited to this, for example, armrest and receptacle portion can also be positioned only at the side of backrest.In addition, implementing the described 3rd In mode, the two sides of left-side seat S2 are arranged in adjacent component (center seat S1 and left side S4), and but it is not limited to this, example Such as, adjacent component can also be positioned only at the side of seat.

In the 3rd embodiment, it is configured to channel 80 with transverse tube portion 81, and in bent intermediate, but be not limited to This, for example, channel is also configured to extend straight along the longitudinal direction.

The structure of the vehicle seat used S shown in the 3rd embodiment and the 4th embodiment is an example, and It is not limited to above structure.It is illustrated for example, referring to Figure 26, vehicle seat used S also can have: left-side seat S2 and right side seat A seat, left side S4 and the right side S5 that chair S6 is integrally formed.

In the 6th embodiment, near the quadrangle at the back side of bracket 103, it is each provided with one, adds up to four hooks Portion 170, but in the present invention, there is no particular limitation for the quantity and configuration of hook portion.For example, as shown in figure 42, when being only arranged two When a hook portion 170, two hook portions 170 be may be constructed are as follows: the up and down direction central portion at the back side of bracket 103 (the 2nd bracket 160) The configuration of left and right interval.In addition, being illustrated referring to Figure 42, when 2 hook portions are only arranged, 2 hook portions can also be in bracket The interval configuration apart from top to bottom of the left and right directions central portion at the back side of 103 (the 2nd brackets 160).In addition, for example, when 3 hook portions of setting When, which can configure as 3 bolts 108 in vertex of a triangle position.In addition, making when being arranged 3 or more Hook portion is separated from each other interval to be arranged, and accordingly, when mobile mechanism is installed on backboard, is able to suppress mobile mechanism (seat) phase Backboard is shaken.

In the 6th embodiment, mobile mechanism 100 is shown with hook portion 170, backboard 60 has hook portion holding section 71 structure, but it is not limited to this.For example, as shown in figure 43, also may be constructed are as follows: backboard 60 has hook portion 72, mobile mechanism 100 have hook portion holding section 180.Specifically, hook portion 72 is arranged to, it is prominent from the front side face forward of seat mounting bracket 70 Out, and the shape that is bent upwards of top end part, hook portion holding section 180 will bend to the bar-like member of U-shaped by welding etc. Both ends be fixed on the back side of bracket 103 (the 2nd bracket 160) of mobile mechanism 100.

The hook portion shown in the 6th embodiment and the structure of hook portion holding section are an examples, however it is not limited on State structure.For example, in the 6th embodiment, it is corresponding with two hook portions 170 of left-right situs, it is provided with 1 hook portion engaging Portion 71, but it is not limited to this, and 1 hook portion holding section each hook portion can also be respectively arranged.In addition, for example, in the 6th embodiment party In formula, hook portion holding section 71 is formed by the bar-like member that installation bends to U-shaped, but it is not limited to this, for example, can also By being provided as the logical of hook portion holding section that hook portion can engage on the seat mounting bracket 70 of the 6th embodiment Hole etc. forms hook portion holding section.In addition, hook portion holding section also can be arranged directly on backboard.

In addition, as shown in figure 44, hook portion 190 is also configured to, it is made of the component with 2 pawls 192,193, and 2 A pawl 192,193 is engaged in a manner of clasping hook portion holding section 71.In addition, be arranged above and below configuration as shown in Figure 45 (a), (b) Hook portion 73,74 or the hook portion 74,75 of at least one party in hook portion 73,75 also can have anti-shedding part 74A, 75A, the anticreep It falls portion 74A, 75A and inhibits falling off for the hook portion holding section 180 engaged with hook portion 74,75.

It is only by the engaging of hook portion 170 and hook portion holding section 71 that mobile mechanism 100 is (left in the 6th embodiment Side seat SL) it is mounted on backboard 60, but it is not limited to this.For example, it is also possible to are as follows: the engaging conduct of hook portion and hook portion holding section It is fixed temporarily to play a role, later, by welding or fastening of bolt etc., backboard 60 is fixed in mobile mechanism 100.

In the 6th embodiment, stiffening plate 104 be arranged are as follows: when the upper end of guide rod 101 in the lateral direction inside Whens bending etc., the upper end of guide rod 101 is abutted with stiffening plate 104, and but it is not limited to this.For example, stiffening plate also can be set Are as follows: when being installed on bracket, abutted with guide rod always.In this way, stiffening plate is configured to abut with guide rod, thus, it is possible to It is enough that guide rod is supported by stiffening plate, and it is able to suppress the extra deformation of guide rod.

In the 6th embodiment, stiffening plate 104 is in the shape that mobile mechanism 100 is installed on to backrest frame F2 Under state, front end is abutted with the back side of seat frame frame plate 650, and but it is not limited to this.For example, stiffening plate 104 may be set to be: In the state that mobile mechanism 100 is installed on backrest frame F2, there is a little between seat frame frame plate 650 Gap, when the seated person rided on left-side seat SL leans on backrest and applies dependence load, with seat frame frame plate 650 It abuts.

In the 6th embodiment, bracket 103 is made of the 1st bracket 150 and the 2nd bracket 160 the two components, But it is not limited to this, for example, bracket can also be made of 1 components.

The structure of the stiffening plate shown in the 6th embodiment is an example, but is not limited to above structure.Example Such as, in the 6th embodiment, stiffening plate 104 is formed as, and is in L-shaped shape in side view observation, and but it is not limited to this, It can be formed as, the u-shaped shape in side view observation.Specifically, being illustrated referring to Figure 32, stiffening plate 104 be may be constructed To include the portion of being fixed 141；The reinforcement part 142 of downside extends forwards from the lower end in the portion that is fixed 141；With adding for upside Strong portion extends forwards from the upper end in the portion that is fixed 141.

In the 6th embodiment, the frame extensions of connecting bracket 630 are fixed in the lower end of vertical frame section 11 632, but it is not limited to this.For example, it is also possible to be fixed on the main part of connecting bracket.In addition, in the 6th embodiment, Connecting bracket 630 is fixed in the lower end of vertical frame section 11, and the upper end of lower part side frame 21 is rotatably propped up Frame extension 632 supports, and but it is not limited to this, for example, backrest is also configured to, the upper end of its underpart side frame is solid Frame extensions are pivotally supported on due to the lower end of connecting bracket, vertical frame section (top side frame).

In the 6th embodiment, the vertical frame section 11 (top side frame) being made of pipe is formed to be prolonged in upper and lower straight line The shape stretched, but it is not limited to this, can also be with for example, top side frame is to avoid configuring the components in backrest Be formed as the inner or outer side on the left and right directions of backrest frame and be recessed (avoiding) curved shape.In addition, described In 6th embodiment, vertical frame section 11 and lower part side frame 21 are made of metal pipe, and but it is not limited to this, for example, side frame The sheet metal component that frame can also be shaped by pressure processing is constituted.

The structure of mobile mechanism shown in the embodiment is an example, however it is not limited to above structure.As one Example, in said embodiment, constitute are as follows: be set to the side in backrest frame F2 and backboard 60 bar-like member, Engaged with the cartridge for the another party being set in backrest frame F2 and backboard 60 with (can slidably slide) state, Accordingly, backrest frame F2 is moved up and down, and but it is not limited to this.For example, it is also possible to constitute are as follows: be set to backrest frame The track of frame side and the track of the plate side that is set to backboard engage in the state of can slide, accordingly, backrest frame Frame moves up and down.

In said embodiment, the example for applying the present invention to the seat used in the pillion of automobile is shown Son, but it is not limited to this.For example, the present invention can also be suitable for the seat used in the driver's seat of automobile or co-pilot seat etc. Chair.In addition, the present invention can also be suitable for the vehicles other than automobile, such as can be suitable in train, ship, aircraft etc. Used in seat.

Claims

1. a kind of mounting structure of vehicle seat, installs backrest, feature in a manner of moving up and down wherein It is, comprising:

Backrest frame, with upper frame and lower frame, the upper frame constitutes the upside of the backrest Partial frame, the lower frame constitute the frame of the lower portion of the backrest, and can be relative on described The front and back rotation centered on the axis extended in left-right direction of portion's frame；

Backboard configures at the rear of the backrest；With

Mobile mechanism enables the backrest frame to move up and down relative to the backboard,

The backboard has recess portion, and the mobile mechanism is configured at the recess portion with the state entered in the recess portion.

2. the mounting structure of vehicle seat according to claim 1, which is characterized in that

The mobile mechanism includes frame side part, connect with the backrest frame；With plate sidepiece part, it is fixed on The backboard engages with the frame side part and guides moving up and down for the frame side part,

The recess portion is arranged to: the frame side part being enable to be sticked in the plate sidepiece part from below in this recess.

3. the mounting structure of vehicle seat according to claim 2, which is characterized in that

The plate sidepiece part has holding section, which engages with the frame side part,

The backboard has engaging guide portion, and when installing the backrest on the backboard, the engaging guide portion will The frame side part is guided to the holding section.

4. the mounting structure of vehicle seat according to claim 2 or 3, which is characterized in that

The backboard has label, when installing the backrest on the backboard, make the upper end of the backrest with The frame side part and the plate sidepiece part are aligned in the position for being able to carry out engaging by the label alignment as a result,.

5. the mounting structure of vehicle seat according to claim 2 or 3, which is characterized in that

The recess portion is arranged to: when installing the backrest on the backboard, make the upper end of the backrest with The upper edge of the recess portion is aligned, and is as a result, aligned in and is able to carry out engaging the frame side part and the plate sidepiece part Position.

6. the mounting structure of vehicle seat described in any one of claim 1 to 3, which is characterized in that

The mobile mechanism includes frame side part, connect with the backrest frame；Plate sidepiece part, with the back Plate connection, and moving up and down for the frame side part is guided,

The frame side part is fixed on the lower end of the upper frame.

7. the mounting structure of vehicle seat described in any one of claim 1 to 3, which is characterized in that

With bearing part, supports the side in the upper frame and the lower frame and enable and be with the axis Heart rotation,

The mobile mechanism includes frame side part, connects with the upper frame with another party in the lower frame； Plate sidepiece part is connect with the backboard, guides moving up and down for the frame side part,

The frame side part is engaged with the bearing part.

8. the mounting structure of vehicle seat described in any one of claim 1 to 3, which is characterized in that

The mobile mechanism includes frame side part, connect with the backrest frame；It is and described with plate sidepiece part Backboard connection, and moving up and down for the frame side part is guided,

The upper frame has the vertical frame section extended up and down,

The frame side part has the directed section extended up and down, and the directed section is guided to carry out by the plate sidepiece part Lower movement,

The directed section from right and left always from, by it is more upward further away from the vertical frame section in a manner of relative to described vertical Frame section inclination.

9. the mounting structure of vehicle seat described in any one of claim 1 to 3, which is characterized in that

The mobile mechanism includes frame side part, connect with the upper frame；With plate sidepiece part, with the backboard Connection, guides moving up and down for the frame side part,

The directed section is bent in such a way that front side is recessed from left and right directions.

10. the mounting structure of vehicle seat described in any one of claim 1 to 3, which is characterized in that

The backrest is configured in, the position at least contacted when by load is leaned on the backboard.

11. the mounting structure of vehicle seat according to claim 1, which is characterized in that

The vehicle seat includes

Seat portion, built-in seat frame, and it is opposite with seated person；

Side is configured adjacently in the side of the seat portion；With

Channel, the opening portion of one side are configured at the side,

The seat frame has main frame and extension, and the extension extends from the main frame to the lateral side,

The channel is configured as: Chong Die with the extension from coming from the 3rd direction, wherein the 3rd direction is perpendicular to described The 1st direction that seat portion and the side are arranged, with seated person and the seat portion the 2nd opposite direction both sides.

12. the mounting structure of vehicle seat according to claim 11, which is characterized in that

The vehicle seat has the load bearing part for being installed on the extension,

At least part of the load bearing part is configured in compared with the channel closer to seated person side.

13. the mounting structure of vehicle seat according to claim 1, which is characterized in that

The vehicle seat includes

1st seat has the 1st seat cushion and the 1st backrest；

1st adjacent component is configured adjacently in the 1st backrest side；With

1st backrest mobile mechanism enables the 1st backrest in initial position and positioned at the lower section of initial position Lower position between move,

1st seat has the 1st armrest, the 1st armrest be arranged on the 1st backrest, configured with the 1st phase The side of adjacent component, and can be rotated centered on the axis extended in left-right direction,

1st adjacent component has the 1st armrest receptacle portion, and the 1st armrest receptacle portion is used to receive the described 1st of dress when not in use Armrest,

The 1st armrest receptacle portion is with the 1st downside forward surface, the 1st downside forward surface and is received the 1st armrest filled Lower end is opposite,

When the 1st backrest is in initial position, it is arranged between the 1st armrest and the 1st downside forward surface Have space, the space for allow the 1st armrest with the 1st backrest from initial position downwards position it is mobile and The movement of progress.

14. the mounting structure of vehicle seat according to claim 13, which is characterized in that

The vehicle seat includes

2nd seat, have the 2nd seat cushion and the 2nd backrest, the 2nd backrest the 1st adjacent component, with The opposite side of 1st seat, is configured adjacently with the 1st adjacent component；With

2nd backrest mobile mechanism enables the 2nd backrest in initial position and positioned at the lower section of initial position Lower position between move,

2nd seat has the 2nd armrest, and the 2nd armrest is set to the 2nd backrest, adjacent configured with the described 1st The side of component, and can be rotated centered on the axis extended in left-right direction,

1st adjacent component has the 2nd armrest receptacle portion, and the 2nd armrest receptacle portion is used to receive the described 2nd of dress when not in use Armrest,

The 2nd armrest receptacle portion is with the 2nd downside forward surface, the 2nd downside forward surface and is received the 2nd armrest filled Lower end is opposite,

When the 2nd backrest is in initial position, it is arranged between the 2nd armrest and the 2nd downside forward surface Have space, the space for allow the 2nd armrest with the 2nd backrest from initial position downwards position it is mobile and The movement of progress.

15. the mounting structure of vehicle seat according to claim 1, which is characterized in that

A side in the backboard and the mobile mechanism has hook portion,

Another party in the backboard and the mobile mechanism has the hook portion holding section for hook portion engaging.

16. the mounting structure of vehicle seat according to claim 15, which is characterized in that

The mobile mechanism includes the bracket of plate, is fixed on by the engaging of the hook portion and the hook portion holding section The backboard；And stiffening plate, it is fixed on the bracket.

17. the mounting structure of vehicle seat according to claim 15 or 16, which is characterized in that

The backrest frame has connecting bracket, which connects the upper frame and the lower frame,

The upper frame has the top side frame of left and right, interval configuration between the top side frame of the left and right or so,

The lower frame has the lower part side frame of left and right, interval configuration between the lower part side frame of the left and right or so,

The connecting bracket has a main part of plate and the frame extensions of left and right, and the frame extensions of the left and right are from the master The left and right ends in body portion extend forwards,

A side in the lower end of the top side frame and the upper end of the lower part side frame is fixed on the connecting bracket, Another party in the lower end of the top side frame and the upper end of the lower part side frame is supported on the frame extensions, And another party in the lower end of the top side frame and the upper end of the lower part side frame can be in left-right direction It is rotated centered on the axis of extension.

18. the mounting structure of vehicle seat according to claim 17, which is characterized in that

The top side frame in upper and lower linearly extended pipe by constituting.

19. the mounting structure of vehicle seat according to claim 15 or 16, which is characterized in that

The hook portion or so interval and be provided with multiple.

20. the mounting structure of vehicle seat according to claim 15 or 16, which is characterized in that

Hook portion interval apart from top to bottom and be provided with multiple.