CN112498192A - Vehicle seat without occupying rear seat space - Google Patents
Vehicle seat without occupying rear seat space Download PDFInfo
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- CN112498192A CN112498192A CN202011419629.1A CN202011419629A CN112498192A CN 112498192 A CN112498192 A CN 112498192A CN 202011419629 A CN202011419629 A CN 202011419629A CN 112498192 A CN112498192 A CN 112498192A
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- seat
- cushion
- framework
- hinged
- backrest
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- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 11
- 230000007306 turnover Effects 0.000 claims description 10
- 239000011324 bead Substances 0.000 claims description 8
- 239000004579 marble Substances 0.000 claims description 8
- 230000009471 action Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/75—Arm-rests
- B60N2/763—Arm-rests adjustable
- B60N2/767—Angle adjustment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/001—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays
- B60N3/002—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays of trays
- B60N3/004—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays of trays of foldable trays mounted on the back-rest
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to the technical field of vehicle accessories and discloses a vehicle seat without occupying the space of a rear seat, which comprises a fixed seat supporting framework, a cushion framework and a backrest framework, wherein the cushion framework and the backrest framework are arranged in the seat supporting framework; the top of the backrest framework is hinged with the seat supporting framework through a first link mechanism, the backrest framework and the cushion framework are hinged at the butt joint part through a second link mechanism, the second link mechanism is hinged with the seat supporting framework at the same time, and the end part, far away from the backrest framework, of the cushion framework is hinged with the seat supporting framework through a third link mechanism; the cushion framework is provided with a cushion sliding control mechanism which comprises a telescopic device, a manual control end and a telescopic part, wherein the end part of the telescopic device is connected with the seat supporting framework, the manual control end is connected with the telescopic device and can control the telescopic device to work, and when the manual control end is operated, the telescopic part of the telescopic device can be extended to push the cushion framework to move forwards or the cushion is manually pushed backwards to enable the telescopic part of the telescopic device to retract to enable the cushion framework to reset.
Description
Technical Field
The invention relates to the technical field of vehicle accessories, in particular to a vehicle seat which does not occupy the space of a rear seat.
Background
With the progress of society and the improvement of living standard of people, people put forward higher and higher requirements on the comfort, safety and reliability of taking trains. The back on the current track traffic seat is adjusted mostly seat back self is whole rotatory, and to this type of seat, when adjacent seat installation distance was too little in the current back, preceding seat enlarged back angle will compress back seat user's activity space, seriously influences the comfortable experience sense of back seat personnel.
Patent publication No. CN103661011B discloses a backrest and cushion linked seat, which can make the cushion move forward relative to the sliding frame, and drive the linkage plate to rotate forward with the linkage shaft on the fixed frame as the pivot, so as to drive the backrest and cushion to move forward as a whole, and reduce the amount of space invading the passengers behind. Although the patent can realize the linkage of the backrest and the seat, the following defects still exist:
1) due to the angle adjusting function of the angle adjuster, when the seat cushion is moved forward a little distance, the backrest is greatly tilted backwards, that is, under the adjustment of the angle adjuster, although the backrest seat is linked, the movement of the backrest seat and the seat cushion is not restricted by any outside, finally, the backrest still occupies the rear seat space, and only occupies relatively less rear seat space compared with the traditional adjusting seat which only tilts backwards and moves the seat cushion;
2) the cushion is when being adjusted the antedisplacement by the angle modulation ware, only promote the cushion or withdraw the cushion by the regulating power of angle modulation ware, when the people sits on the cushion, this regulating power probably can't reach the effect that the control cushion removed, need the people to leave and just can easily adjust cushion and back behind the cushion, but when the people leaves the cushion and readjust the angle of cushion and back, the angle of final regulation probably can't agree with comfortable or suitable angle that the human body needs, the angle regulation effect that does the seat when human body is not on the cushion promptly surely does not go up the angle regulation effect that the human body goes on when the cushion.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a vehicle seat which can be quickly adjusted to a comfortable position through linkage of a backrest seat and does not occupy the space of a rear seat.
The purpose of the invention is realized by the following technical scheme:
a vehicle seat without occupying the space of a rear seat comprises a fixed seat supporting framework, a cushion framework and a backrest framework, wherein the cushion framework and the backrest framework are arranged in the seat supporting framework; the top of the backrest framework is hinged with the seat supporting framework through a first link mechanism, the backrest framework and the cushion framework are hinged at the butt joint part through a second link mechanism, the second link mechanism is hinged with the seat supporting framework at the same time, and the end part, far away from the backrest framework, of the cushion framework is hinged with the seat supporting framework through a third link mechanism; be equipped with cushion slide control mechanism on the cushion skeleton, cushion slide control mechanism includes the telescoping device that tip and seat support frame are connected, the manual control end of being connected and steerable telescoping device work with the telescoping device, control the end through operating the manual work, the pars contractilis of telescoping device can extend and promote cushion skeleton antedisplacement or artifical back push away the cushion and can make the telescoping device pars contractilis contract and make the cushion skeleton reset, second link mechanism links cushion skeleton and back skeleton in the telescoping device course of operation, first link mechanism and third link mechanism retrain the home range of cushion skeleton and cushion skeleton respectively at cushion skeleton and back skeleton linkage in-process.
Furthermore, the telescopic device comprises a guide sleeve hinged with the seat support framework, a first elastic component and a sliding rod are sequentially arranged in the guide sleeve, and the tail end of the sliding rod extends out of the guide sleeve and is hinged with the end part, away from the backrest framework, of the cushion framework; the slide bar periphery begins the interval from the tip that is close to first elastomeric element to be provided with many rings of recesses, and the manual control end includes the haulage rope, and haulage rope one end is equipped with the moving part that can be pulled by the haulage rope, and the moving part is located a sleeve pipe, and the sleeve pipe communicates with the guide sleeve is perpendicular, and the sleeve pipe open end is sealed by a fastener, installs second elastomeric element between fastener and the moving part, and the moving part imbeds in the recess of slide bar under second elastomeric element's spring action.
Furthermore, the sliding rod is provided with a section of matching part matched with the first elastic part at the tail end close to the first elastic part, and the first elastic part is sleeved on the periphery of the matching part.
Still further, the manual control end comprises a linkage switch arranged at the other end of the traction rope, and the linkage switch is manually pulled up to pull the traction rope to enable the telescopic device to work.
Further, first link mechanism includes that both ends respectively with seat support skeleton, back skeleton articulated dwang, when back skeleton is in initial condition, the pin joint of dwang and seat support skeleton is located the below of dwang and back skeleton pin joint.
Furthermore, the second link mechanism comprises a first hinge rod hinged with the backrest framework and the cushion framework simultaneously, the other end of the first hinge rod is hinged with a second hinge rod, the tail end of the second hinge rod is hinged with the seat supporting framework, a third hinge rod is hinged to the middle section of the first hinge rod and hinged with the seat supporting framework, the third hinge rod is shorter than the second hinge rod, when the backrest framework is in an initial state, a hinge point of the second hinge rod and the seat supporting framework is located above a hinge point of the third hinge rod and the seat supporting framework, the first hinge rod and the backrest framework and the hinge point of the cushion framework are located below the hinge point of the third hinge rod and the seat supporting framework.
Still further, the third link mechanism includes the first connecting rod with cushion skeleton articulated, and the end of first connecting rod articulates there is the second connecting rod, and the second connecting rod is articulated with seat supporting framework, and it has the third connecting rod to articulate in the first connecting rod interlude, and the third connecting rod other end is articulated with seat supporting framework, and when back skeleton was in initial condition, the pin joint of second connecting rod and seat supporting framework was located third connecting rod and seat supporting framework pin joint and the top of first connecting rod and cushion skeleton pin joint.
Furthermore, a dining table plate and a turnover mechanism which is used for the dining table plate to turn over around a shaft so as to be opened to be horizontal or attached to the backrest surface are arranged on the backrest surface of the seat supporting framework.
Still further, tilting mechanism includes that one end is fixed with the seat supporting framework, the other end and table board articulated rotation axis, table board both sides have been seted up respectively along table board extending direction and have been link up the bar groove, tilting mechanism still includes a pull rod, pull rod one end is articulated with the seat supporting framework, the pull rod other end is installed connecting piece and is inserted perpendicularly and link up the bar inslot, the pull rod can stimulate the connecting piece and remove at link up the bar inslot, tilting mechanism still including locating the rack that is on a parallel with link up the bar inslot installation and with the driven gear part of rack toothing in the table inboard, the flank of tooth orientation of rack link up the bar groove, gear part one end meets and.
Still further, the seat supports the skeleton and is equipped with marble structure with the edge of dining table board length direction contact, and marble structure is used for guaranteeing that the dining table board is stable laminating seat supports the skeleton when drawing in, and marble structure includes the spring and sets up the ripples pearl at the spring tip, and dining table board is offered the draw-in groove at ripples pearl corresponding position department and is supplied ripples pearl to dial in and break away from.
Compared with the prior art, the invention has the following beneficial effects:
1) the cushion framework and the backrest framework move within the range of the seat supporting framework, and the seat supporting framework is fixed, so that the seat can not influence the rear seat completely in the adjusting process, and can not occupy any space of the rear seat;
2) the cushion framework is controlled to move by the cooperation of the elastic component, the sliding rod, the moving component and the traction rope, when the cushion framework needs to move forwards, the elastic component forces the cushion framework to push forwards by means of self impact force, when the cushion framework needs to be retracted, a person can apply backward thrust to the cushion framework by pedaling, so that the elastic force of the elastic component can be overcome, and the cushion framework is retracted backwards; in the process of pushing the cushion framework forwards, a person does not need to leave the cushion, and the angle of the backrest framework and the cushion framework can be adjusted by the human body in real time to find the most comfortable body position in the process of linkage of the backrest framework and the cushion framework;
3) the dining table plate that sets up behind the seat support chassis can overturn, and the back seat passenger can overturn it to laminating seat support chassis after having used up the dining table plate, can not occupy the back seat space.
Drawings
Fig. 1 is an exploded view of a vehicle seat according to embodiment 1;
fig. 2 is a perspective view showing the linkage of the seat cushion frame and the back frame according to embodiment 1;
FIG. 3 is an enlarged view of a portion I of FIG. 2;
FIG. 4 is an enlarged view of a portion II of FIG. 2;
FIG. 5 is an enlarged view of a portion III of FIG. 2;
fig. 6 is a plan view of a structure in which the seat cushion frame and the seatback frame described in embodiment 1 are linked;
FIG. 7 is a cross-sectional view taken along line A-A of FIG. 6;
FIG. 8 is a detail view of the internal engagement of the pull-cord and the retractor of FIG. 6;
FIG. 9 is a view, partially in section, of the dining board according to embodiment 1 attached to a supporting frame of a seat;
fig. 10 is a partial structural view of the dining board according to embodiment 1;
FIG. 11 is a cross-sectional view taken along line B-B of FIG. 10;
fig. 12 is an overall configuration diagram of the vehicle seat according to embodiment 1 (the dining table panel is in a flip-open state).
Detailed Description
The present invention will be further described with reference to the following detailed description, wherein the drawings are provided for illustrative purposes only and are not intended to be limiting; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
The vehicle seat comprises a seat supporting framework 1 fixed in a vehicle, and a cushion framework 2 and a backrest framework 3 arranged on the seat supporting framework, wherein the seat supporting framework 1 is a key force bearing piece of the seat, a left armrest and a right armrest (collectively called as the armrests) are arranged on the seat supporting framework, the initial position of the armrest 11 is a horizontal position and can be turned upwards, the armrest is at least flush with the backrest after being turned up integrally, a headrest 12 is also arranged at the top of the seat supporting framework 1, and the headrest can provide comfortable transverse support for passengers; the cushion 21 is arranged on the cushion framework 2, the backrest 31 is arranged on the backrest framework 3, the cushion 21 and the backrest 31 are designed to be detachable, convenient, safe and reliable, and the cushion and the backrest are convenient to clean and replace, and the like, so that the passenger can feel comfortable and convenient to sit in consideration of the ergonomic requirement.
Wherein, cushion skeleton 2 and back skeleton 3 are the linkage skeleton, so that the backrest angle is adjustable, and it is the linkage of back skeleton bottom and cushion skeleton when adjusting, drive the cushion skeleton and move forward, specifically, as shown in fig. 2, 3 tops of back skeleton are articulated with seat supporting frame 1 through first link mechanism, back skeleton 3, cushion skeleton 2 is articulated and second link mechanism is articulated with seat supporting frame 1 simultaneously through second link mechanism in butt joint department, cushion skeleton 2 keeps away from the tip of back skeleton 3 and passes through third link mechanism and seat supporting frame 1 and articulate.
As shown in fig. 3, the first link mechanism includes a rotating rod 41 with two ends respectively hinged to the seat support frame 1 and the backrest frame 3, connecting blocks 42 are fixed on two sides of the top of the seat support frame 1, and the rotating rod 41 is hinged to the connecting blocks 42 through fasteners; when back skeleton 3 is in initial condition, the pin joint of dwang 41 and seat support skeleton 1 is located the below of dwang 41 and back skeleton 3 pin joint to the cushion skeleton has more threshold degree of moving down when linking for follow-up cushion skeleton 2 and back skeleton 3.
As shown in fig. 4, the second link mechanism includes a first hinge rod 51 hinged to the backrest frame 3 and the seat cushion frame 2, the other end of the first hinge rod 51 is hinged to a second hinge rod 52, the end of the second hinge rod 52 is hinged to the seat support frame 1, a third hinge rod 53 is hinged to the middle section of the first hinge rod 51, the third hinge rod 53 is hinged to the seat support frame 1, and the third hinge rod 53 is shorter than the second hinge rod 52; when the seat is in an initial state, the hinge points of the second hinge rod 52 and the third hinge rod 53 and the seat supporting framework 1 are positioned on the same side of the first hinge rod 51, the hinge point of the second hinge rod 52 and the seat supporting framework 1 is positioned above the hinge point of the third hinge rod 53 and the seat supporting framework 1, and the hinge point of the first hinge rod 51, the backrest framework 3 and the seat cushion framework 2 is positioned below the hinge point of the third hinge rod 53 and the seat supporting framework 1; when the cushion framework 2 and the backrest framework 3 are linked, the second link mechanism plays a key role in restricting the movement of the cushion framework and the backrest framework, and meanwhile, the second link mechanism can ensure that the cushion framework and the backrest framework are not blocked when being linked.
As shown in fig. 5, the third link mechanism includes a first link 61 hinged to the seat cushion frame 2, a second link 62 is hinged to the end of the first link 61, the second link 62 is hinged to the seat support frame 1, a third link 63 is hinged to the middle section of the first link 61, the other end of the third link 63 is hinged to the seat support frame 1, when the seat is in an initial state, a hinge point of the second link 62 and the seat support frame 1 is located above a hinge point of the third link 63 and the seat support frame 1 and a hinge point of the first link 61 and the seat cushion frame 2, and a hinge point of the second link 62 and the seat support frame 1 and a hinge point of the third link 63 and the seat support frame 1 are located on two sides of the first link 61 respectively; the third link mechanism 3 provides restraint for the amount of forward movement of the seat cushion frame 2.
As shown in fig. 6, a cushion sliding control mechanism is arranged on the cushion frame 2, which includes a telescopic device 22 with a tip connected with the seat supporting frame 1, a manual control end 23 connected with the telescopic device and capable of controlling the telescopic device to work, the manual control end is operated, the telescopic part of the telescopic device 22 can be extended to push the cushion frame 2 to move forward or push the cushion 21 to retract the telescopic part of the telescopic device 22 to reset the cushion frame 2, the second link mechanism links the cushion frame 2 and the backrest frame 3 in the working process of the telescopic device 22, and the first link mechanism and the third link mechanism respectively restrict the range of motion of the backrest frame and the cushion frame in the linkage process of the cushion frame and the backrest frame.
Specifically, as shown in fig. 6 and 7, the retractor 22 includes a guide sleeve 221 hinged to the seat support frame 1 (the hinged position of the retractor and the seat support frame is close to the joint of the seat cushion frame and the backrest frame), a first elastic member 222 and a sliding rod 223 are sequentially arranged in the guide sleeve 221, the tail end of the sliding rod 223 extends out of the guide sleeve 221 and is hinged to the end of the seat cushion frame 2 away from the backrest frame, and the first elastic member 222 is always in a compressed state in the guide sleeve 221; the periphery of the sliding rod 223 is provided with a plurality of circles of grooves 2231 at intervals from the end close to the first elastic component 222, the manual control end comprises a traction rope 231, as shown in fig. 6 and 8, one end of the traction rope 231 is provided with a movable component 232 capable of being pulled by the traction rope, the movable component 232 is located in a sleeve 233, the sleeve 233 is vertically communicated with the guide sleeve 221, the open end of the sleeve 233 is closed by a fastener 234, a second elastic component 235 is installed between the fastener 234 and the movable component 232, the movable component 232 is embedded into the groove 2231 of the sliding rod under the elastic force of the second elastic component 235, and both the first elastic component and the second elastic component are preferably springs. When the pulling rope 231 is pulled manually, the movable piece 232 can exit from the groove 2231 of the sliding rod; when the included angle between the seat cushion frame 2 and the backrest frame 3 needs to be adjusted to be large, once the movable member 232 exits the groove 2231, the first elastic member 222 immediately pushes the sliding rod 223 forward, certainly, in order to enable the adjustment of the seat to be always within a controllable range, the traction rope 231 is pulled one by one when pulled manually, that is, the traction rope is pulled and the pulling action is kept for a few seconds, the movable member 232 just exits the previous groove, after the sliding rod 223 is pushed forward a little, the operation of the traction rope is abandoned, the movable member 232 stands up and is embedded into the next groove, and the sliding rod 223 is limited to move forward; when the seat needs to be reset, the seat cushion 21 needs to be manually pushed backwards to retract the sliding rod 223, and the movable member 232 is sequentially embedded into the grooves 2231 when the sliding rod is retracted (actually, the sliding rod can be retracted more at one time, and the movable member spans a plurality of grooves and then is embedded into the grooves at one time).
In order to ensure the stable engagement between the first elastic member 222 and the sliding rod 223, as shown in fig. 7, the sliding rod 223 further has an engaging portion 2232 adapted to the first elastic member at a position close to the end of the first elastic member 222, and the first elastic member 222 is disposed around the engaging portion 2232, so as to ensure that the first elastic member and the sliding rod never disengage.
In addition, in order to facilitate manual operation of the pulling rope, the manual control end 23 further includes a linkage switch 236 disposed at the other end of the pulling rope 231, the linkage switch 236 is manually pulled up to pull the pulling rope to enable the telescopic device to operate, and the design of the linkage switch is completely the same as that of a switch for controlling the seat angle adjustment in the prior art, which is not described herein again.
The linkage process of the cushion framework and the backrest framework of the seat is as follows: the linkage switch 236 is manually shifted upwards, the traction rope 231 is pulled, the telescopic device 22 is triggered to push the seat cushion framework 2 to swing forwards, and meanwhile, the second link mechanism drives the backrest framework 3 to swing in linkage with the seat cushion framework 2 by taking a hinge point 1 of the second link mechanism and the seat support framework as a fulcrum, so that the purpose of increasing the included angle between the seat backrest and the seat cushion is realized; when the backrest and the seat cushion need to be reset, the linkage switch 236 is manually moved upwards, the traction rope 231 is pulled, the seat cushion 21 is manually pushed backwards, the sliding rod 223 of the telescopic device retracts, the movable piece 232 is finally embedded into the corresponding groove 2231 when the sliding rod 223 retracts to the limit position, and the seat returns to the initial state.
As shown in fig. 1, the seat of the present application further has a dining table plate 7 mounted on the backrest surface of the seat supporting frame 1, and in order to make the dining table plate not occupy the rear seat space in the use state, the backrest surface is further provided with a turnover mechanism for the dining table plate 7 to turn around a shaft so as to be opened to a horizontal position or be attached to the backrest surface.
As shown in fig. 9, 10 and 11, the turnover mechanism includes a rotating shaft 81 having one end fixed to the seat supporting frame 1 and the other end hinged to the table plate 7, through-strip-shaped grooves are respectively formed in both sides of the table plate 7 along the extending direction of the table plate, the turnover mechanism further includes a pull rod 82, one end of the pull rod 82 is hinged to the seat supporting frame 1, a connecting member 83 is installed at the other end of the pull rod 82, the connecting member is vertically inserted into the through-strip-shaped grooves, the pull rod 82 can pull the connecting member 83 to move in the through-strip-shaped grooves, the turnover mechanism further includes a rack 84 installed in the table plate 7 in parallel to the through-strip-shaped grooves and a gear member 85 engaged with the rack for transmission, the tooth surface of the rack 84 faces; the gear part comprises a sleeve 851 sleeved on the periphery of the connecting piece 83 and a connector 852 fixedly connected with the sleeve, the center of the connector 852 is provided with a rotating shaft, and the other end of the rotating shaft is a gear 853 which is in meshing transmission with the rack 84; when the pull rod 82 pulls the connecting piece 83 to move, the sleeve 851 drives the gear 853 to walk along the rack 84 in a meshing manner, so that the dining table plate can be stably and reliably turned over; fig. 12 is a schematic view showing a structure in which the dining board of the seat is turned to be horizontal.
In order to ensure that the dining table plate can not overturn after being attached to the seat supporting framework, as shown in fig. 9, the edge of the seat supporting framework 1 contacting with the dining table plate 7 in the length direction is provided with a marble structure, the marble structure can ensure that the dining table plate 7 is stably attached to the seat supporting framework 1 when being folded, the dining table plate 7 comprises a spring 131 and beads 132 arranged at the end of the spring, and the dining table plate 7 is provided with a clamping groove 71 at the corresponding position of the beads 132 for the beads to be pushed in and separated.
The opening and closing process of the dining table plate is as follows: the dining table plate 7 is manually turned, the beads 132 on the seat supporting framework 1 are separated from the clamping grooves 71 on the dining table plate, the dining table plate 7 rotates by taking the rotating shaft 81 fixed on the seat supporting framework 1 as an axis, the pull rod 82 is driven to move, the connecting piece 83 moves in the through strip-shaped groove, the gear 853 and the rack 84 are driven to be meshed and slide to a limit position, and the dining table plate 7 is opened to be in a horizontal state; when the dining table plate needs to be folded, the dining table plate 7 is manually turned back again, the motion process of each part of the turning mechanism is opposite to the original walking process, when the dining table plate 7 is folded to be attached to the surface of a seat backrest, the wave beads 132 on the seat supporting framework 1 are clamped into the dining table plate clamping grooves 71 again to be clamped and limited.
The seat has the advantages of being simple in structure, light in weight, flexible in adjustment and the like, is not limited to be used on rail vehicles, can be applied to various types of vehicles, and is suitable for being widely popularized.
It should be understood that the above examples are only for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A vehicle seat without occupying the space of a rear seat is characterized by comprising a fixed seat supporting framework, a cushion framework and a backrest framework, wherein the cushion framework and the backrest framework are arranged in the seat supporting framework; the top of the backrest framework is hinged with the seat supporting framework through a first link mechanism, the backrest framework and the cushion framework are hinged at the butt joint part through a second link mechanism, the second link mechanism is hinged with the seat supporting framework at the same time, and the end part, far away from the backrest framework, of the cushion framework is hinged with the seat supporting framework through a third link mechanism; be equipped with cushion slide control mechanism on the cushion skeleton, cushion slide control mechanism includes the telescoping device that tip and seat support frame are connected, the manual control end of being connected and steerable telescoping device work with the telescoping device, control the end through operating the manual work, the pars contractilis of telescoping device can extend and promote cushion skeleton antedisplacement or artifical back push away the cushion and can make the telescoping device pars contractilis contract and make the cushion skeleton reset, second link mechanism links cushion skeleton and back skeleton in the telescoping device course of operation, first link mechanism and third link mechanism retrain the home range of cushion skeleton and cushion skeleton respectively at cushion skeleton and back skeleton linkage in-process.
2. The vehicle seat without occupying the rear seat space according to claim 1, wherein the telescoping device comprises a guide sleeve hinged to the seat support frame, a first elastic member and a slide lever are sequentially arranged in the guide sleeve, and the tail end of the slide lever extends out of the guide sleeve and is hinged to the end of the cushion frame away from the backrest frame; the slide bar periphery begins the interval from the tip that is close to first elastomeric element to be provided with many rings of recesses, and the manual control end includes the haulage rope, and haulage rope one end is equipped with the moving part that can be pulled by the haulage rope, and the moving part is located a sleeve pipe, and the sleeve pipe communicates with the guide sleeve is perpendicular, and the sleeve pipe open end is sealed by a fastener, installs second elastomeric element between fastener and the moving part, and the moving part imbeds in the recess of slide bar under second elastomeric element's spring action.
3. The vehicle seat of claim 2, wherein the sliding rod has a fitting portion at a distal end thereof adjacent to the first elastic member, the fitting portion being adapted to the first elastic member, and the first elastic member is fitted around an outer periphery of the fitting portion.
4. A vehicle seat as claimed in claim 2 or 3, wherein the manual actuation end comprises a linked switch at the other end of the pull-cord, the linked switch being manually actuated to pull the pull-cord to operate the retractor.
5. The vehicle seat according to claim 1, wherein the first link mechanism includes a rotating rod having two ends respectively hinged to the seat support frame and the backrest frame, and when the backrest frame is in the initial state, a hinge point of the rotating rod and the seat support frame is located below a hinge point of the rotating rod and the backrest frame.
6. The vehicle seat according to claim 5, wherein the second link mechanism includes a first hinge rod hinged to the backrest frame and the seat cushion frame, the other end of the first hinge rod is hinged to a second hinge rod, the end of the second hinge rod is hinged to the seat support frame, a third hinge rod is hinged to the middle section of the first hinge rod and hinged to the seat support frame, the third hinge rod is shorter than the second hinge rod, when the backrest frame is in the initial state, the hinge point of the second hinge rod and the seat support frame is located above the hinge point of the third hinge rod and the seat support frame, and the hinge point of the first hinge rod and the backrest frame and the seat cushion frame is located below the hinge point of the third hinge rod and the seat support frame.
7. The vehicle seat as claimed in claim 6, wherein the third link mechanism includes a first link hinged to the seat cushion frame, a second link hinged to a distal end of the first link, the second link being hinged to the seat support frame, a third link hinged to a middle portion of the first link, the third link being hinged to the seat support frame at another end thereof, and a hinge point of the second link to the seat support frame being located above a hinge point of the third link to the seat support frame and a hinge point of the first link to the seat cushion frame when the backrest frame is in the initial state.
8. The vehicle seat occupying no rear seat space of claim 1, wherein the back surface of the seat support frame is provided with a dining table plate and a turnover mechanism for pivoting the dining table plate to open to a horizontal position or to fit the back surface.
9. The vehicle seat according to claim 8, wherein the turnover mechanism includes a rotation shaft having one end fixed to the seat supporting frame and the other end hinged to the table plate, through-grooves are respectively formed in both sides of the table plate along the extending direction of the table plate, the turnover mechanism further includes a pull rod, one end of the pull rod is hinged to the seat supporting frame, a connecting member is installed at the other end of the pull rod, the connecting member is vertically inserted into the through-grooves, the pull rod can pull the connecting member to move in the through-grooves, the turnover mechanism further includes a rack parallel to the through-grooves and a gear member engaged with the rack for transmission, the tooth surface of the rack faces the through-grooves, and one end of the gear member is connected to the connecting member and moves along with the connecting member.
10. The vehicle seat without occupying the rear seat space according to claim 8 or 9, wherein the seat support frame is provided with a marble structure at an edge contacting with the dining table plate in the length direction, the marble structure is used for ensuring that the dining table plate is stably attached to the seat support frame when being folded, the marble structure comprises a spring and beads arranged at the end of the spring, and the dining table plate is provided with a clamping groove at a position corresponding to the beads for the beads to be pulled in and separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011419629.1A CN112498192A (en) | 2020-12-07 | 2020-12-07 | Vehicle seat without occupying rear seat space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011419629.1A CN112498192A (en) | 2020-12-07 | 2020-12-07 | Vehicle seat without occupying rear seat space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112498192A true CN112498192A (en) | 2021-03-16 |
Family
ID=74971064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011419629.1A Pending CN112498192A (en) | 2020-12-07 | 2020-12-07 | Vehicle seat without occupying rear seat space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112498192A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115366760A (en) * | 2022-08-23 | 2022-11-22 | 重庆长安汽车股份有限公司 | Supplementary seat structure and car that resets |
| CN117207861A (en) * | 2023-11-09 | 2023-12-12 | 今创集团股份有限公司 | Multi-connecting-rod structure, transmission mechanism and overturning seat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115366760A (en) * | 2022-08-23 | 2022-11-22 | 重庆长安汽车股份有限公司 | Supplementary seat structure and car that resets |
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| CN117207861B (en) * | 2023-11-09 | 2024-02-09 | 今创集团股份有限公司 | Multi-connecting-rod structure, transmission mechanism and overturning seat |
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