CN208550579U - Folding device and folding seat - Google Patents

Abstract

The utility model provides a kind of folding device and folding seat, it is related to technical field of furniture of living, the folding device includes main shaft, fixation kit and movable component, fixation kit and movable component are arranged on main shaft, fixation kit and movable component can be along the axial movements of main shaft, and movable component can pump along the length direction of main shaft；Connection component is provided between fixation kit and movable component, connection component is for connecting fixation kit with movable component, and movable component is able to drive connection component movement, above-mentioned folding device connect into seat composition folding seat by handrail tube, improve in the prior art used in the technical problems such as folding seat has a single function, stability is low.

Description

Folding device and folding seat

Technical field

The utility model relates to technical field of furniture more particularly to a kind of folding devices and folding seat of living.

Background technique

Folding seat is a kind of light, stackable seat, not only movement easy to carry, but also can save storage space, initially It is chiefly used in military convenient, therefore has the characteristics that simple and compact for structure, durable, the later period is chiefly used in aesthetics design aspect, right The contour structures of folding seat require more criticism, beautiful, the later period become larger it is multi-purpose in people's lives, with the convenient of its own To universal.People camp, sandy beach leisure, sport events etc. need to carry out in more spacious place movable, carry folding Folding chair just has very big use, can be supplied to the chance that people take a break；And in family life, the folding of folding seat Function, so being chiefly used on more furniture, saves a big chunk space convenient for storage.

The folded portion of folding seat used is hingedly formed by more connecting rods mostly in the prior art, when long Between using be likely to result in hinged place it is cracked, fracture, in turn result in pin dislocation, the stability of folding seat drops It is low；In addition, folding seat in the prior art can only realize the function of folding mostly, it is more single using function.

Utility model content

The first of the utility model is designed to provide a kind of folding device, to alleviate used in the prior art fold The technical problems such as the folder function of chair is single, stability is low.

To achieve the goals above, the utility model uses following technical scheme:

A kind of folding device provided by the utility model, including main shaft, fixation kit and movable component；

The fixation kit and the movable component are arranged on the main shaft, the fixation kit and the activity group Part can be along the axial direction rotation of the main shaft, and the movable component can be done up and down reciprocatingly along the length direction of the main shaft Movement；

Connection component is provided between the fixation kit and the movable component, the connection component is used for will be described solid Determine component to connect with the movable component, and the movable component is able to drive the connection component movement.

Further, the fixation kit includes upper shaft part and lower rotary shaft part；

The first connection component, the lower rotary shaft part and the work are provided between the upper shaft part and the movable component The second connection component is provided between dynamic component.

Further, the movable component include on turn part and lower fixing piece；

Turn the top that part is mounted on the lower fixing piece on described, and it is described on turn part and the lower fixing piece with it is described Spindle mobility connection, it is described on turn part and connect the upper shaft part, the lower fixing piece connects the lower rotary shaft part.

Further, first connection component includes connection sheet and first connecting rod；

One end connection upper shaft part of the connection sheet, and the other end connection first connecting rod, described first Connecting rod, which is also connected on described, turns part；

When turning part along the main axle moving on described, the angle between the first connecting rod and the connection sheet is gradually Become larger or gradually becomes smaller.

Further, second connection component includes the second connecting rod and third connecting rod；

One end of the first connecting rod connects the lower fixing piece, the other end connection of the first connecting rod described the The other end of one end of three connecting rods, the third connecting rod connects the lower rotary shaft part；

When the lower fixing piece is along the main axle moving, the folder of second connecting rod and the third connecting rod bracket The angle at angle becomes larger or gradually becomes smaller.

Further, the movable component further includes bearing and axle sleeve；

The axle sleeve is socketed on the main shaft, it is described on turn part and the lower fixing piece is socketed on the axle sleeve, institute State and turn to be arranged between part and the lower fixing piece bearing, it is described on turn that the bearing is arranged between part and the axle sleeve.

It further, further include the first fixation kit, first fixation kit is for connecting the upper shaft part and institute State one end of main shaft；

It further include the second fixation kit, second fixation kit is used to connect the another of the lower rotary shaft part and the main shaft One end.

Further, the main shaft includes outer shaft, fixed link and setting-up piece；

The fixed link is mounted on the setting-up piece, and the outer shaft is socketed in the lateral wall of institute's fixed link.

It further, further include foot pad；

The junction of second connecting rod and the third connecting rod is arranged in the foot pad.

The second of the utility model is designed to provide a kind of folding seat, to alleviate folding seat function used in the prior art The single, technical problems such as stability is low.

The utility model also provides a kind of folding seat, further includes handrail tube and seat including above-mentioned folding device；

One end of the handrail tube connects the first connecting rod and the connection sheet, the other end setting of the handrail tube There is the seat.

Further, the seat is made of soft material.

The utility model has the following beneficial effects:

A kind of folding device provided by the utility model, including main shaft, fixation kit and movable component, main shaft is as connection The main heart of fixation kit and movable component, main shaft of being subject to are placed vertically, and fixation kit is separately mounted to the upper and lower ends of main shaft, Fixation kit can make rotating motion along the axis direction of main shaft, and movable component is socketed on the lateral wall of main shaft, movable component It can make rotating motion along the axis direction of main shaft, while movable component can also do along the length direction of main shaft and up and down reciprocatingly transport It is dynamic；It is provided with connection component between movable component and fixation kit, is connected movable component and fixation kit by connection component It picks up and, form angle between connection component and movable component, angle is formed between connection component also fixation kit, when activity group When part does vertical move back and forth up and down along the length direction of main shaft, fixation kit is fixed, and movable component drives connection component Mobile, the angle for the angle that connection component is formed with fixation kit and movable component becomes larger or reduces therewith.By above-mentioned Main shaft, fixation kit, movable component and working in coordination for connection component realize the folder function of the folding device, that is, realize the folding The opening and contractile function of stacking device, all parts are cooperatively connected, and connection component is used not only for connection movable component and consolidates Determine component, also act the effect of positioning, that is, terminates the vertical shift of movable component, and then fixed movable component is with respect to main shaft Position；The folding device can not only realize the function of folding, and by movable component and fixation kit along main shaft Rotation function is realized in axial rotation, and then increases the using flexible of the folding device, and popularization degree is higher.

The utility model also provides a kind of folding seat, further includes handrail tube and seat, handrail including above-mentioned folding device One end connection first connecting rod and connection sheet of pipe, and the other end connects seat, is connected seat and folding device by handrail tube It connects to form a kind of folding seat, solves that folding seat function used in the prior art is more single, and the problem that stability is low.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the schematic diagram for the folding device expansion that the utility model embodiment one provides；

Fig. 2 is the cross-sectional view for the folding device expansion that the utility model embodiment one provides；

Fig. 3 is the first partial enlarged drawing in Fig. 2 at A；

Fig. 4 is the second partial enlarged view in Fig. 2 at A；

Fig. 5 is the partial enlarged view in Fig. 2 at B；

Fig. 6 is the schematic diagram that the folding device that the utility model embodiment one provides is shunk；

Fig. 7 is the cross-sectional view that the folding device that the utility model embodiment one provides is shunk；

Fig. 8 is the partial enlarged view in Fig. 7 at C；

Fig. 9 is the part drawing for the folding device that the utility model embodiment one provides；

Figure 10 is the schematic diagram for the folding seat that the utility model embodiment two provides.

Icon: 10- main shaft；20- upper shaft part；30- lower rotary shaft part；Turn part on 40-；Fixing piece under 50-；60- collar bush； 70- bearing；80- connection sheet；90- first connecting rod；The second connecting rod of 100-；101- outer shaft；102- fixed link；The fixed pad of 103- Piece；110- third connecting rod；The auxiliary spindle nose of 120-；130- first is from slide-bar set；140- main tapping；150- pin；160- first is padded Piece；The second gasket of 170-；190- foot pad；200- handrail tube；210- seat；220- armrest surface；601- big end；602- small end； 603- outer shaft；604- baffle；605- second is from slide-bar set；1201- raised platforms；1202- first sock；1203- first Blind hole；1031- screw rod；1032- nut；1401- the first shaft part through-hole；1402- the second shaft part through-hole；1403- third shaft part is logical Hole；The second socket part 1901-；1902- interconnecting piece；The second connecting hole of 6011-；6021- first through hole.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that term " first ", " second " are used for description purposes only, and It cannot be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.

Embodiment one:

As shown in figs 1-9, folding device provided in this embodiment includes main shaft 10, fixation kit and movable component, is fixed Component and movable component are arranged on main shaft 10, fixation kit and movable component can along the axial movement of main shaft 10, and Movable component can pump along the length direction of main shaft 10；Connection is provided between fixation kit and movable component Component, connection component is for connecting fixation kit with movable component, and movable component is able to drive connection component movement.

Specifically, main shaft 10 as the main heart for being connected and fixed component and movable component, place vertically by main shaft 10 of being subject to, Gu Determine the upper and lower ends that component is separately mounted to main shaft 10, fixation kit can make rotating motion along the axis direction of main shaft 10, living Dynamic component is socketed on the lateral wall of main shaft 10, and movable component can make rotating motion along the axis direction of main shaft 10, living simultaneously Dynamic component can also pump along the length direction of main shaft 10；The company of being provided between movable component and fixation kit Connected components are connected movable component and fixation kit by connection component, and folder is formed between connection component and movable component Angle forms angle between connection component and fixation kit, when movable component is done vertically up and down reciprocatingly along the length direction of main shaft 10 When mobile, fixation kit is fixed, and movable component drives connection component mobile, connection component and fixation kit and activity group The angle for the angle that part is formed becomes larger or reduces therewith.

As initial position when being in folded state using the folding device, i.e., folding device is in contraction state.When needing to be unfolded When the folding device, main shaft 10 is placed stationary vertically, and fixation kit is fixedly mounted on main shaft 10, and fixation kit is also fixed Motionless, movable component is in the upper end of main shaft 10, and movable component does linear motion straight down along the length direction of main shaft 10, Angle between connection component and movable component becomes larger with the movement of movable component, between connection component and fixation kit The angle of angle become larger also with the movement of movable component, when connection component is in a horizontal position, while activity group Part also is moved into the lower end of main shaft 10, mobile to stop, which is in unfolded state.When needing to shrink the folding device, Main shaft 10 and fixation kit are still stationary, and movable component does linear motion straight up along the length direction of main shaft 10, The angle of angle between connection component and movable component is gradually reduced, the included angle between connection component and fixation kit It is gradually reduced, when the reduction of the angle of two angles gradually tends to 0 degree or 180 degree, movable component is moved to the upper of main shaft 10 End, i.e. initial position, it is mobile to stop, completing the contraction of the folding device.In expansion and contraction process, movable component and fixation Component can be rotated along the axis direction of main shaft 10, realize the rotation function of the folding device.

The folding device is realized by working in coordination for above-mentioned main shaft 10, fixation kit, movable component and connection component Folder function, that is, realize the opening and contractile function of the folding device, all parts are cooperatively connected, and connection component can not only For connecting movable component and fixation kit, the effect of positioning is also acted, that is, terminates the vertical shift of movable component, Jin Ergu Determine position of the movable component with respect to main shaft 10；The folding device can not only realize the function of folding, and pass through activity Component and fixation kit are rotated along the axial direction of main shaft 10 realizes rotation function, and then increases the using flexible of the folding device Property, popularization degree is higher.

In the optional scheme of the present embodiment, as shown in figs 1-9, fixation kit includes upper shaft part 20 and lower rotary shaft part 30, it is provided with the first connection component between upper shaft part 20 and movable component, is provided between lower rotary shaft part 30 and movable component Second connection component.

Specifically, the upper end of main shaft 10 is arranged in upper shaft part 20, and the lower end of main shaft 10 is arranged in lower rotary shaft part 30, upper to turn It is fixedly connected between shaft member 20 and movable component by the first connection component, passes through second between lower rotary shaft part 30 and movable component Connection component is fixedly connected, and the first connection component and upper shaft part 20 and movable component are respectively formed connection angle, the second connection Also connection angle is formed between component and lower rotary shaft part 30 and movable component, connects the angle of angle with the upper and lower of movable component It moves back and forth and changes, but the rotary motion of movable component and fixation kit cannot change the angular dimension of connection angle, only It is able to drive the first connection component and the second connection component rotates therewith.

In the optional scheme of the present embodiment, as shown in figs 1-9, movable component include on turn part 40 and lower fixing piece 50, On turn the top that part 40 is mounted on lower fixing piece 50, and on turn part 40 and lower fixing piece 50 is flexibly connected with main shaft 10, it is upper to turn Part 40 connects upper shaft part 20, and lower fixing piece 50 connects lower part fixation kit.

Further, movable component further includes bearing 70 and collar bush 60, and collar bush 60 is socketed on main shaft 10, above turns part 40 and lower fixing piece 50 be socketed on collar bush 60, above turn to be provided with bearing 70 between part 40 and lower fixing piece 50.

Specifically, it is arranged with collar bush 60 on the lateral wall of main shaft 10, is slidably connected between collar bush 60 and main shaft 10, Collar bush 60 can do along the length direction of main shaft 10 and pump vertically, and can do and revolve along the axis direction of main shaft 10 Transhipment is dynamic, and movable component is set on the lateral wall of collar bush 60, in order to preferably, more easily with upper shaft part 20 and under Shaft part 30 connects, while guaranteeing the stability of connection and the mechanical property of junction, and there is safety guarantee in when use, so it is movable Component turns part 40 and lower fixing piece 50 on including, and above turns part 40 and is connected by the first connection component and upper shaft part 20, lower fixation Part 50 is connected by the second connection component and lower rotary shaft part 30.

Wherein, the stepped setting of collar bush 60, including big end 601 and small end 602, the axis direction along collar bush 60 are set It is equipped with the first through hole 6021 for passing through main shaft 10, for the big end 601 of collar bush 60 close to upper shaft part 20, small end 602 is close Lower rotary shaft part 30.On turn part 40 and lower fixing piece 50 is set in the small end 602 of collar bush 60, and on turn part 40 and lower fixing piece It is provided with bearing 70 between 50, above turns for clearance fit between part 40 and collar bush 60, lower fixing piece 50 and collar bush 60 were It is full of cooperation.

Wherein, it is additionally provided with outer shaft 603 on the lateral wall of the small end 602 of collar bush 60, for reducing movable component With the abrasion between collar bush 60, while convenient for movable component around main shaft 10 axial-rotation.

Wherein, bearing 70 is plane axis.

Wherein, the upper end surface of the big end 601 of collar bush 60 is provided with baffle 604, when the folding device is shunk When, above turn part 40 and moved up along main shaft 10, lower fixing piece 50 turns part 40 on a upward support force, be easy to cause this Folding device movable component and upper shaft part 20, which are formed, to be locked, so baffle 604 is set in the end face of collar bush 60；Baffle 604 Outer diameter be greater than collar bush 60 outer diameter；Collar bush 60 and on turn to be provided with the first gasket 160 between part 40, reduce collar bush 60 End face and on turn degree of friction between 40 end face of part.

Wherein, second can also be arranged from slide-bar set 605, in lower fixing piece in the upper socket place for turning part 40 and collar bush 60 50 also can be set second from slide-bar set 605, to ensure to turn part 40 and the equal energy of lower fixing piece 50 with the socket place of collar bush 60 Enough axial normal rotational movements along main shaft 10.

Wherein, it is welded between bearing 70 and outer collar bush 60, turns the crushing resistance between part 40 and lower fixing piece 50 in increase.

Specifically, above turning part 40 and upper shaft part 20 can turn along the axial direction of main shaft 10 after folding device expansion It is dynamic, successively realize the rotation of folding device, when rotation, lower fixing piece 50 and lower rotary shaft part 30 are stationary.

In the optional scheme of the present embodiment, as shown in figs 1-9, the first connection component includes connection sheet 80 and the first connection Bar 90, one end of connection sheet 80 connects upper shaft part 20, and the other end connects first connecting rod 90, and first connecting rod 90 is also connected with On turn part 40；When turning part 40 on and moving along main shaft 10, the connection angle of first connecting rod 90 and connection sheet 80 changes therewith.

Specifically, the first connection component for connect upper shaft part 20 and on turn part 40, the first connection component includes connection One end of piece 80 and first connecting rod 90, connection sheet 80 is flexibly connected by pin with upper shaft part 20, first connecting rod 90 One end turns part 40 on and is flexibly connected by pin, and the other end of connection sheet 80 and the other end of first connecting rod 90 are also by pin Column is flexibly connected.When being moved back and forth to turn part 40 on, because 20 position of upper shaft part does not change, connection sheet 80 and first Connecting rod 90 turns that part 40 is mobile on, between the angle of all angles that is formed also change correspondingly.

Wherein, the length of connection sheet 80 is particularly customized, when connection sheet 80 is moved to horizontal direction, to connection sheet 80 The first connecting rod 90 of connection forms holdback force, and movable component also just moves to the lower end of main shaft 10, the second connection group at this time Part part of horizontal, for being placed on the ground.

In the optional scheme of the present embodiment, as shown in figs 1-9, the second connection component includes the second connecting rod 100 and the Three connecting rods 110, one end of first connecting rod 90 connect lower fixing piece 50, the other end connection third connection of first connecting rod 90 The other end of one end of bar 110, third connecting rod 110 connects lower rotary shaft part 30；Instantly when fixing piece 50 is moved along main shaft 10, the The angulation change of the angle of 110 bracket of two connecting rods 100 and third connecting rod.

Specifically, the second connection component is for connecting lower fixing piece 50 and lower rotary shaft part 30, and the second connection component includes the One end of two connecting rods 100 and third connecting rod 110, the second connecting rod 100 is connect by pin with lower fixing piece 50, and third connects One end of extension bar 110 is connect by pin with lower rotary shaft part 30, the other end of the second connecting rod 100 and third connecting rod 110 The other end is flexibly connected also by pin.Thus when fixing piece 50 moves reciprocatingly instantly, because of the opposite main shaft of lower rotary shaft part 30 10 position does not change, the second connecting rod 100 and third connecting rod 110 are mobile with lower fixing piece 50, between formed The angle of all angles also changes correspondingly.

Wherein, when movable component is moved to the lower end of main shaft 10, third connecting rod 110 just at horizontal position, and It is horizontal with the lower end surface of main shaft 10, so as to be placed on the ground.

Wherein, more second connecting rods 100 can be connected on a lower fixing piece 50, in order to increase the steady of the folding device It is qualitative, five second connecting rods 100 are connected on a lower fixing piece 50, and five second connecting rods 100 are along lower fixing piece 50 Axially it is uniformly distributed, every second connecting rod 100 is correspondingly connected with a third connecting rod 110, so a lower rotary shaft part 30 is right Five third connecting rods 110 should be connected.

In the optional scheme of the present embodiment, as shown in figs 1-9, main shaft 10 includes outer shaft 101, fixed link 102 and fixes Gasket 103, fixed link 102 are mounted on setting-up piece 103, and outer shaft 101 is socketed in the lateral wall of fixed link 102.

Specifically, fixed link 102 is screw rod, and setting-up piece 103 is plum blossom gasket, and fixed link 102 and setting-up piece 103 weld It connects, is connected through a screw thread between outer shaft 101 and fixed link 102, i.e., be provided with helicitic texture on the lateral wall of fixed link 102, outside It is also equipped with helicitic texture on the inner sidewall of axis 101, outer shaft 101 is fixedly connected in fixed link 102 by being threadedly engaged.

Wherein, it is fixedly connected with setting-up piece 103 by screw rod 1031 and nut 1032 in lower rotary shaft part 30.

Wherein, the length of fixed link 102 is greater than the length of outer shaft 101, i.e., from top to bottom along the length direction of outer shaft 101, 101 a distance of outer shaft is stretched out in the upper end of fixed link 102.

It further include the first fixation kit as shown in figs 1-9, the first fixation kit is used in the optional scheme of the present embodiment In one end of connection upper shaft part 20 and main shaft 10.

Specifically, the first fixation kit from top to bottom successively covers 130 and main tapping from slide-bar including auxiliary spindle nose 120, first 140, auxiliary spindle nose 120 includes raised platforms 1201 and first sock 1202, and raised platforms 1201 are arranged in first sock 1202 one end, and the outer diameter of raised platforms 1201 be greater than first sock 1202 outer diameter, first sock 1202 it is another End is provided with the first blind hole 1203 for being connected and fixed bar 102, helicitic texture is provided on the hole wall of the first blind hole 1203, with fixation Bar 102 is threadedly coupled, and first the lateral wall of first sock 1202 is arranged in from slide-bar set 130, then passes through master by pin 150 Spindle nose 140, auxiliary spindle nose 120 and screw rod are fixedly connected；One end of main tapping 140 is connect with auxiliary spindle nose 120, the other end and outer Axis 101 is fixedly connected, and stepped installation through-hole is provided with along the length direction of main tapping 140, which includes the One shaft part through-hole 1401, the second shaft part through-hole 1402 and third shaft part through-hole 1403, the internal diameter of the first shaft part through-hole 1401 with it is auxiliary The outer diameter of spindle nose 120 is identical, and the internal diameter of the second shaft part through-hole 1402 is identical as the outer diameter of fixed link 102, third shaft part through-hole 1403 internal diameter is identical as the outer diameter of outer shaft 101.

Wherein, upper shaft part 20 be set in first from slide-bar set 130 lateral wall on, the upper surface of upper shaft part 20 with it is convex It rises and second gasket 170 is set between the lower surface of platform 1201, for reducing the friction between upper fixing element and auxiliary spindle nose 120 Power, and then reduce the abrasion between the two contact surface.First can be along the axial-rotation of auxiliary spindle nose 120, in turn from slide-bar set 130 Drive upper fixing element along the axial-rotation of auxiliary spindle nose 120.

Wherein, the internal diameter of the first through hole 6021 in collar bush 60 is identical as the outer diameter of outer shaft 101, in the big of collar bush 60 End 601 is additionally provided with the second connecting hole 6011 being connected with first through hole 6021, and the second connecting hole 6011 is used for across main shaft First 140.

It further include the second fixation kit as shown in figs 1-9, the second fixation kit is used in the optional scheme of the present embodiment In the other end of connection lower rotary shaft part 30 and main shaft 10.

Specifically, the second fixation kit is arranged in the inner cavity of the lower edge of main shaft 10, along the water of the second fixation kit It is flat to be provided with the second through-hole, the second through-hole is passed through by connecting column, and the both ends of connecting column are each passed through the axial wall of main shaft 10, and It is connected on lower fixing piece 50, so that lower fixing piece 50 be connect with main shaft 10.

Wherein, helicitic texture is provided on the lateral wall of connecting column.

Similar, the second fixation kit is connecting column.

It further include foot pad 190 as shown in figs 1-9, the setting of foot pad 190 connects second in the optional scheme of the present embodiment The junction of extension bar 100 and third connecting rod 110.

Specifically, foot pad 190 includes the second socket part 1901 for being socketed with the second connecting rod 100 and for connecting the The interconnecting piece 1902 of three connecting rods 110, the second socket part 1901 are provided with inner hole, and the connecting pin of the second connecting rod 100 is protruded into interior Hole forms interference fit connection with inner hole, and second connecting rod 100 is fixed on the second socket part by grub screw 1903 In 1901, interconnecting piece 1902 is connect with the used pin of third connecting rod 110.

Wherein, interconnecting piece 1902 is to be formed along lateral wall protrusion a part of sleeved part, interconnecting piece 1902 and sleeved part The other end (i.e. without connecting one end of the second connecting rod 100 and third connecting rod 110) is in sealed set, and one with ground face contact Face surface is flat, smooth.

Embodiment two:

The utility model additionally provides a kind of folding seat, further includes handrail including above-mentioned folding device as shown in Figure 10 Pipe 200 and seat 210, one end connection first connecting rod 90 and connection sheet 80, the other end of handrail tube 200 of handrail tube 200 are set It is equipped with seat 210.

Specifically, while keeping folding seat stability, it is also desirable to simplify structure, so for above-mentioned folding device and Speech, a upper shaft part 20 are correspondingly connected with eight connection sheets 80, and wherein every two connection sheet 80 is one group, i.e., one first connection Bar 90 corresponds to two connection sheets 80, so the quantity of first connecting rod 90 is four, four first connecting rods 90 turn part 40 on Circumferentially it is uniformly distributed.One end that first connecting rod 90 is connect with connection sheet 80 is provided with handrail tube 200, passes through handrail tube 200 To form seat armrest surface 220 can also be arranged, for placing the arm of people in connection seat 210.

Wherein, the corresponding handrail tube 200 of a first connecting rod 90.

Similar, directly by turning part 40 and connection sheet 80 in the connection of handrail tube 200.

Further, seat 210 is made of soft material.

Specifically, the folding shrinking function of folding seat is realized in position, and singly having folding device is inadequate, seat 210 It is required to be shunk, could more improve the contractile function of folding seat, while being also more convenient for summarizing, so seat 210 are made of soft material, and armrest surface 220 also will not when being shunk by folding device using the city of soft material The material that should be seat 210 is harder and leads to not can be carried out contraction, losing functionality.

Wherein, contraction obstacle can not be formed when folding seat is shunk in guarantee seat 210, while being also required to seat 210 have certain supportive, human body easy to support, with realize folding seat for seat function.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of folding device, which is characterized in that including main shaft, fixation kit and movable component；

The fixation kit and the movable component are arranged on the main shaft, and the fixation kit and the movable component are equal Can be along the axial direction rotation of the main shaft, and the movable component can do along the length direction of the main shaft and up and down reciprocatingly transport It is dynamic；

Connection component is provided between the fixation kit and the movable component, the connection component is used for described fixed group Part is connected with the movable component, and the movable component is able to drive the connection component movement.

2. folding device according to claim 1, which is characterized in that the fixation kit includes upper shaft part and lower rotary shaft Part, the connection component include the first connection component and the second connection component；

First connection component, the lower rotary shaft part and the work are provided between the upper shaft part and the movable component Second connection component is provided between dynamic component.

3. folding device according to claim 2, which is characterized in that the movable component include on turn part and lower fixation Part；

Turn the top that part is mounted on the lower fixing piece on described, and it is described on turn part and the lower fixing piece with the main shaft Be flexibly connected, it is described on turn part and connect the upper shaft part, the lower fixing piece connects the lower rotary shaft part.

4. folding device according to claim 3, which is characterized in that first connection component includes connection sheet and first Connecting rod；

One end of the connection sheet connects the upper shaft part, and the other end connects the first connecting rod, first connection Bar, which is also connected on described, turns part；

When turning part along the main axle moving on described, the angle between the first connecting rod and the connection sheet gradually becomes Greatly or gradually become smaller.

5. folding device according to claim 4, which is characterized in that second connection component include the second connecting rod and Third connecting rod；

One end of the first connecting rod connects the lower fixing piece, and the other end of the first connecting rod connects the third and connects The other end of one end of extension bar, the third connecting rod connects the lower rotary shaft part；

When the lower fixing piece is along the main axle moving, the angle of second connecting rod and the third connecting rod bracket by Gradual change is big or gradually becomes smaller.

6. folding device according to claim 4, which is characterized in that the movable component further includes bearing and axle sleeve；

The axle sleeve is socketed on the main shaft, it is described on turn part and the lower fixing piece is socketed on the axle sleeve, it is described on Turn that the bearing is arranged between part and the lower fixing piece, it is described on turn that the bearing is arranged between part and the axle sleeve.

7. folding device according to claim 5, which is characterized in that further include the first fixation kit, described first is fixed Component is used to connect one end of the upper shaft part and the main shaft；

It further include the second fixation kit, second fixation kit is used to connect the another of the lower rotary shaft part and the main shaft End.

8. folding device according to claim 5, which is characterized in that further include foot pad；

The junction of second connecting rod and the third connecting rod is arranged in the foot pad.

9. a kind of folding seat, which is characterized in that further include handrail tube including the described in any item folding devices of claim 4-8 And seat；

One end of the handrail tube connects the first connecting rod and the connection sheet, and the other end setting of the handrail tube is State seat.

10. folding seat according to claim 9, which is characterized in that the seat is made of soft material.