CN114801924A - Foldable back row seat skeleton in rational utilization space - Google Patents

Foldable back row seat skeleton in rational utilization space Download PDF

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Publication number
CN114801924A
CN114801924A CN202210429946.4A CN202210429946A CN114801924A CN 114801924 A CN114801924 A CN 114801924A CN 202210429946 A CN202210429946 A CN 202210429946A CN 114801924 A CN114801924 A CN 114801924A
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CN
China
Prior art keywords
groove
positioning
locking
rod
seat back
Prior art date
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Granted
Application number
CN202210429946.4A
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Chinese (zh)
Other versions
CN114801924B (en
Inventor
孙建涛
黄中桥
曹银钰
陈少建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Zhide Industry And Trade Co ltd
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Hefei Zhide Industry And Trade Co ltd
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Priority to CN202210429946.4A priority Critical patent/CN114801924B/en
Publication of CN114801924A publication Critical patent/CN114801924A/en
Application granted granted Critical
Publication of CN114801924B publication Critical patent/CN114801924B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3088—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats characterised by the mechanical link
    • B60N2/309—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats characterised by the mechanical link rods
    • 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
    • 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
    • B60N2/2222—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 the back-rest having two or more parts
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3002—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats back-rest movements
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3038—Cushion movements
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/30—Non-dismountable or dismountable seats storable in a non-use position, e.g. foldable spare seats
    • B60N2/3038—Cushion movements
    • B60N2/3063—Cushion movements by composed movement
    • 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
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/32—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use
    • B60N2/34—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a bed
    • B60N2/345—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles convertible for other use into a bed by adding parts
    • 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
    • B60N2/56—Heating or ventilating devices
    • B60N2/5607—Heating or ventilating devices characterised by convection
    • B60N2/5621—Heating or ventilating devices characterised by convection by air
    • 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
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/919—Positioning and locking mechanisms
    • 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
    • B60N2002/2204—Adjustable back-rest height or length
    • 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
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/919—Positioning and locking mechanisms
    • B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention discloses a foldable rear-row seat framework capable of reasonably utilizing space, which relates to the technical field of seats and comprises a seat and an automobile chassis, wherein a movable groove is formed in the upper surface of the automobile chassis, a tooth groove for clamping is formed in the bottom of the inner wall of the movable groove, a movable plate is movably arranged in the movable groove, a vertical support rod is fixed at the top of the movable plate, and horizontal moving clamping structures are respectively arranged on the vertical support rod and the movable plate. Through setting up location locking structure, sleeve, bearing, horizontal migration joint structure for place great article, make space utilization high. Through setting up connecting plate, location locking structure and extension structure, make its card between last backrest and lower backrest, then remove the bolt with connect between the two stably can, the square area of extension seat like this makes things convenient for outdoor sleep, greatly increased the comfort level. Through setting up ventilative layer, this position heat accumulation can not fall and sweat when avoiding taking, influences and takes.

Description

Foldable back row seat skeleton in rational utilization space
Technical Field
The invention relates to a chair technology, in particular to a folding type back-row chair framework which reasonably utilizes space.
Background
The inside seat of car mainly provides people's seat, the seat divide into front seat and back seat, front seat generally is two, one of them is that to provide the navigating mate and takes, back seat can be more comfortable compared to ordinary car front seat, it is also better, the seat also divides genuine leather seat and cotton flannel seat etc. also different according to the different prices of material, back seat is mainly through taking, some commercial automobile can upgrade back seat, but most back seat is not so comfortable than the front seat.
At present, a lot of existing back row seats are integrated and are separately arranged, but a lot of back row seats cannot be folded and moved, so that space utilization is not good, if the back row seats are required to carry some objects under the condition that people do not do, the area of placed objects is very limited, and a lot of people go out of country or play at present and like sleeping in a car, so that not only money is saved, but also a large area is difficult to provide after the back row seats of the existing car are flatly placed, the sleeping area is small, the back row seats need to be curled up during sleeping, and sleeping comfort are affected.
Disclosure of Invention
The invention aims to solve the problem that the space of the rear row seats of the existing automobiles is not highly utilized.
In order to achieve the purpose, the invention provides the following technical scheme:
a foldable back-row seat framework capable of reasonably utilizing space comprises a seat and an automobile chassis, wherein a movable groove is formed in the upper surface of the automobile chassis, a tooth groove for clamping is formed in the bottom of the inner wall of the movable groove, a movable plate is movably arranged in the movable groove, a vertical support rod is fixed to the top of the movable plate, horizontal moving clamping structures are arranged on the vertical support rod and the movable plate, and a clamping position of the horizontal moving clamping structure is clamped in the tooth groove to position a movable block and the vertical support rod;
the upper surface of the seat base is provided with a breathable layer, two side surfaces of the seat base are horizontally and fixedly provided with rotating shafts for rotation and support, the surfaces of the rotating shafts are fixedly sleeved with two groups of bearings, the outer side surfaces of the two groups of bearings are fixedly sleeved with sleeves for positioning, vertical support rods are fixed on the sleeves, the surfaces of the sleeves are movably sleeved with connecting plates, limiting grooves for limiting the sleeves are formed in the connecting plates, the sleeves move inside the limiting grooves, positioning locking structures are arranged at the tops of the sleeves, one ends, far away from the limiting grooves, of the positioning locking structures are in abutting connection with the surfaces of the rotating shafts, electric push rods for controlling the positions of connecting shafts and the sleeves are arranged on the left end surfaces of the connecting plates, and the right ends of the electric push rods penetrate through the connecting plates and are in rotating connection with the surfaces of the sleeves;
the inner wall swivelling joint of connecting plate has the back shaft, be provided with the location locking structure that is used for fixing a position the locking on the connecting plate, the bottom of location locking structure is contradicted with the surface of back shaft and is connected, the surface of back shaft is rotated and has been cup jointed down the backrest, the top of lower backrest is provided with the backrest, the position at lower backrest and the positive and the back of last backrest all is fixed with the extending structure who is used for controlling interval between the two, go up the opposite face and the right flank hookup location of backrest and lower backrest and seted up the pivoted slot, the inside of pivoted slot is rotated there is the extension structure, the right side of going up the backrest and lower backrest corresponds the extension structure position and is provided with the locator card pole that advances line location to the extension structure, the extension structure passes through locator card pole difference joint on the right side of backrest and lower backrest.
Preferably: go up the left side position of backrest and lower backrest and be fixed with soft strip and the back of the body pad that provides the back comfortable, soft strip sets up at the front and the back that are located the back pad.
Preferably: the horizontal migration joint structure includes the standing groove, the activity card post, the latch, a spring, act as go-between and pull rod, wherein the standing groove is seted up on fly leaf and vertical vaulting pole, spring and activity card post all move about in the standing groove, the activity card post is located the below of spring, the latch is fixed in the bottom of activity card post and is blocked in the tooth's socket that corresponds, act as go-between and fix the top at the activity card post, the top of acting as go-between is passed vertical vaulting pole and is extended to the left side position of vertical vaulting pole, the pull rod is located the left side position of vertical vaulting pole and fixed with acting as go-between.
Preferably: location locking structure includes constant head tank, locking pole and threaded rod, and the constant head tank is seted up at telescopic upper surface, and the locking pole activity is in the inside of constant head tank, threaded rod threaded connection in the inside of constant head tank, and the threaded rod is located the top of locking pole, the bottom of locking pole and the surface connection of pivot.
Preferably: and friction layers are arranged on the surfaces of the rotating shaft and the supporting shaft.
Preferably: the positioning and locking structure comprises a locking groove, a locking rod and a bolt, the locking groove is formed in the connecting plate, the locking rod is movably arranged in the locking groove, the bolt is in threaded connection with the inside of the locking groove and is located above the locking rod, and the locking rod abuts against the surface of the rotating shaft.
Preferably: the extending structure includes two lagging that are used for accomodating, a expansion plate, a set of shifting chute, a removal unblock piece, a screw thread post, accomodate the groove, the rubber column, locator card and draw-in groove, two lagging are fixed respectively on last backrest and lower backrest, the inside at two lagging is moved about respectively at the both ends of expansion plate, accomodate the position that the groove was seted up on the surface of expansion plate is close to both ends, the rubber column is fixed and is accomodate the inslot, the locator card is fixed in the rubber column, the draw-in groove is seted up on the lagging, the locator card is in the draw-in groove, the shifting chute is seted up on the lagging, remove the activity of unblock piece in the shifting chute, screw thread post threaded connection is in the inside of removing the unblock piece, and screw thread post and locator card contact.
Preferably: the lengthening structure comprises two rotating blocks, two lengthening blocks, a bolt and two bolt grooves, the two bolt grooves are formed in the two lengthening blocks respectively, the bolt is movable in one bolt groove, the rotating blocks rotate in the rotating grooves, and the lengthening blocks are rotatably connected to the other ends of the rotating blocks.
Due to the adoption of the technical scheme, the invention has the following advantages:
through setting up location locking structure, the sleeve, a bearing, horizontal migration joint structure, when needing to lift the seat, at first not hard up the structural threaded rod of location locking, make the locking pole not hard up, then upwards rotate the seat, make its laminating lower seat back position, like this alright with the space increase of this position, alright placing object article, when the storing area of trunk is increased to needs, need with the seat, lower seat back and last seat back all rotate to the vertical state of contact, then manual pulling pull rod makes it drive to act as go-between and pulls the movable card post, the movable card post removes to block tooth and tooth's socket separation, remove its position to being close to car front seat afterwards, reduce the area of alright increase trunk behind the space of front seat like this, be used for placing great article, make space utilization high.
By arranging the connecting plate, the positioning and locking structure and the lengthening structure, the connecting plate connects the lower backrest with the seat, when the lower backrest and the upper backrest need to be flatly placed, firstly, the electric push rod needs to be started, the electric push rod moves to increase the distance between the lower backrest and the seat, so that the lower backrest is convenient to be flatly placed, after the distance adjustment is finished, the positioning and locking structure is loosened to loosen the lower backrest and the supporting shaft, then, the positioning and locking structure is screwed down, then, the threaded column on the telescopic structure is rotated to extrude the positioning card to be separated from the clamping groove, then, the telescopic plate is extended, so that the distance between the upper backrest and the lower backrest is enlarged, then, the lengthening structure is rotated to clamp the lower backrest and the upper backrest, then, the bolt is moved to stably connect the lower backrest with the upper backrest and the lower backrest, so that the square area of the seat is lengthened, the outdoor sleeping is convenient, and the comfort level is greatly increased.
Through setting up ventilative layer, this position heat accumulation can not fall and sweat when avoiding taking, influences and takes.
Drawings
Fig. 1 is a front view structural schematic diagram of a folding rear seat frame which reasonably utilizes space.
Fig. 2 is a schematic front view of a positioning and locking structure in a foldable rear seat frame for rational utilization of space.
Fig. 3 is a schematic structural view of a position a in fig. 2 in the folding type rear seat frame which reasonably utilizes space.
Fig. 4 is a schematic structural view of a folding rear seat frame B in fig. 2, which makes reasonable use of space.
Fig. 5 is a left-side sectional structure diagram of a folding rear seat frame with reasonable space utilization at the position of a rotating shaft.
Fig. 6 is a schematic structural view of a folding rear seat frame at a position C in fig. 5, which reasonably utilizes space.
Fig. 7 is a left-side sectional structure diagram of a position of a support shaft in a folding rear-row seat frame for reasonably utilizing space.
Fig. 8 is a schematic structural view of a folding rear seat frame in fig. 7 at a position D, which makes reasonable use of space.
Fig. 9 is a schematic structural view of a pull rod in a folding rear seat frame which can reasonably utilize space.
Fig. 10 is a schematic front sectional view of an elongated structure in a foldable rear seat frame for space utilization.
Fig. 11 is a schematic perspective view of a telescopic structure in a folding rear seat frame for rational utilization of space.
Fig. 12 is a schematic structural view of the position of the positioning clip in the telescopic structure of the folding rear seat frame for rational utilization of space.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 to 12, in the embodiment of the present invention, a foldable rear seat frame with reasonable space utilization includes a seat 1 and an automobile chassis 2, an upper surface of the automobile chassis 2 is provided with a movable groove 3, a tooth socket 4 for clamping is provided at a bottom of an inner wall of the movable groove 3, a movable plate 5 for stabilizing a vertical strut 6 is movably provided inside the movable groove 3, the top of the movable plate 5 is fixed with the vertical strut 6, a horizontal movement clamping structure 7 is provided on the vertical strut 6 and the movable plate 5, the horizontal movement clamping structure 7 includes a placement groove 71, a movable clamping column 72, a clamping tooth 73, a spring 74, a pull wire 75 and a pull rod 76, wherein the placement groove 71 is opened on the movable plate 5 and the vertical strut 6, the spring 74 and the movable clamping column 72 are movable in the placement groove 71, the movable clamping column 72 is located below the spring 74, the clamping tooth 73 is fixed at a bottom of the movable clamping column 72 and clamped in the corresponding tooth socket 4, the pull wire 75 is fixed at the top of the movable clamp column 72, the top of the pull wire 75 penetrates through the vertical support rod 6 and extends to the left position of the vertical support rod 6, the pull rod 76 is located at the left position of the vertical support rod 6 and is fixed with the pull wire 75, the clamping position of the horizontal movement clamping structure 7 is clamped inside the tooth socket 4 to position the movable block and the vertical support rod 6, the pull rod 76 needs to be manually pulled during operation, the pull rod 76 pulls to drive the pull wire 75 to move upwards, the pull wire 75 moves upwards to drive the movable clamp column 72 to move upwards and extrude the spring 74, the movable clamp column 72 moves upwards to drive the clamp teeth 73 to move upwards to be far away from the tooth socket 4, and then the seat base 1 can move forwards and backwards, so that the space utilization rate of the rear row of the automobile is greatly improved;
the upper surface of the seat base 1 is provided with a breathable layer 8 for increasing the breathability of the position and avoiding heat accumulation caused by heat dissipation, thereby solving the problem of sweating, two lateral surfaces of the seat base 1 are horizontally fixed with rotating shafts 9 for rotation and support, the surfaces of the rotating shafts 9 are fixedly sleeved with two groups of bearings 10, the lateral surfaces of the two groups of bearings 10 are fixedly sleeved with sleeves 11 for positioning, vertical supporting rods 6 are fixed on the sleeves 11, the surfaces of the sleeves 11 are movably sleeved with connecting plates 12, the connecting plates 12 are provided with limiting grooves 13 for limiting the sleeves 11, the sleeves 11 move inside the limiting grooves 13, the top of the sleeves 11 is provided with positioning locking structures 14, each positioning locking structure 14 comprises a positioning groove 141, a locking rod 142 and a threaded rod 143, the positioning groove 141 is arranged on the upper surface of the sleeve 11, the locking rod 142 moves inside the positioning groove 141, the threaded rod 143 is in the positioning groove 141, the threaded rod 143 is located above the locking rod 142, the bottom of the locking rod 142 is connected with the surface of the rotating shaft 9, when the locking is performed, only the threaded rod 143 needs to be rotated to enable the threaded rod 143 to press the locking rod 142, the locking rod 142 presses the rotating shaft 9 again, the rotating shaft 9 can be located, the rotating shaft 9 is not easy to rotate, when the locking is performed, the threaded rod 143 needs to be rotated reversely, the locking rod 142 is separated from the rotating shaft 9 after being loosened, the rotating shaft 9 after separation can rotate, one end of the locating locking structure 14, far away from the limiting groove 13, is in contact connection with the surface of the rotating shaft 9, the left end face of the connecting plate 12 is provided with an electric push rod 15 used for controlling the positions of the connecting shaft and the sleeve 11, the right end of the electric push rod 15 penetrates through the connecting plate 12 and is in rotation connection with the surface of the sleeve 11, when the distance between the lower seat back 18 and the seat 1 needs to be adjusted, the electric push rod 15 needs to be started to drive the sleeve 11 to move, the sleeve 11 moves through the bearing 10 and the rotating shaft 9, so that the distance between the seat 1 and the lower backrest 18 can be easily adjusted, and the lower backrest 18 can be conveniently laid flat;
a supporting shaft 16 is rotatably connected to the inner wall of the connecting plate 12, a positioning locking structure 17 for positioning and locking is arranged on the connecting plate 12, the positioning locking structure 17 comprises a locking groove 171, the locking groove 171 is arranged on the connecting plate 12, the locking rod 172 moves in the locking groove 171, the bolt 173 is in threaded connection with the inside of the locking groove 171, the bolt 173 is located above the locking rod 172, the operation method is the same as that of the positioning and locking structure 14, the locking rod 172 abuts against the surface of the rotating shaft 9, the bottom end of the positioning and locking structure 17 is in interference connection with the surface of the supporting shaft 16, the surfaces of the rotating shaft 9 and the supporting shaft 16 are both provided with friction layers to increase the friction force of the positions so that the rotating shaft is not easy to rotate during locking, the surface of the supporting shaft 16 is rotatably sleeved with the lower seat back 18, the upper seat back 19 is arranged above the lower seat back 18, and the upper seat back 19 and the lower seat back 18 are separately named for convenience of distinguishing and describing;
the front and back positions of the lower seat back 18 and the upper seat back 19 are both fixed with a telescopic structure 20 for controlling the distance between the two, the telescopic structure 20 comprises two sleeve plates 201 for containing, a telescopic plate 202, a group of moving grooves 203, a moving unlocking block 204, a threaded column 205, a containing groove 206, a rubber column 207, a positioning card 208 and a clamping groove 209, the two sleeve plates 201 are respectively fixed on the upper seat back 19 and the lower seat back 18, two ends of the telescopic plate 202 are respectively movable in the two sleeve plates 201, the containing groove 206 is arranged on the surface of the telescopic plate 202 near the two ends, the rubber column 207 is fixed in the containing groove 206, the positioning card 208 is fixed in the rubber column 207, the clamping groove 209 is arranged on the sleeve plates 201, the positioning card 208 is clamped in the clamping groove 209, the moving groove 203 is arranged on the sleeve plates 201, the moving unlocking block 204 is movable in the moving groove 203, the threaded column 205 is in the moving unlocking block 204, the threaded column 205 is contacted with the positioning block 208, the connecting position of the opposite surface and the right side surface of the upper seat back 19 and the lower seat back 18 is provided with a rotating groove 21, the inside of the rotating groove 21 rotates to be provided with the lengthening structure 22, the lengthening structure 22 comprises two rotating blocks 221, two lengthening blocks 222, a bolt 223 and two bolt grooves 224, the two bolt grooves 224 are respectively arranged inside the two lengthening blocks 222, the bolt 223 moves in one bolt groove 224, when the expansion plate 202 needs to extend, the threaded column 205 needs to be rotated firstly to extrude the positioning block 208 to separate from the clamping groove 209, the upper seat back 19 is pulled after separation to enable the expansion plate 202 to extend, the positioning block 208 can be automatically clamped in the other clamping groove 209 after pulling to the required position, so that the distance between the upper seat back 19 and the lower seat back 18 can be fixed, the rotating block 221 rotates in the rotating groove 21, and the lengthening block 222 is rotatably connected to the other end of the rotating block 221, after the space between the upper and lower seat backs 19 and 18 is generated, the extension block 222 is rotated to separate the extension block 222 from the detent lever 23, and then the space between the upper and lower seat backs 19 and 18 is filled, and then the pin 223 is moved to be inserted into another pin groove 224, thereby stabilizing the extension block 222, thereby increasing the area in which the seat 1, the upper and lower seat backs 19 and 18 are laid flat, and increasing the comfort level for sleeping, the right sides of the upper and lower seat backs 19 and 18 are provided with the detent lever 23 for positioning the extension structure 22 corresponding to the position of the extension structure 22, the extension structure 22 is engaged with the right sides of the upper and lower seat backs 19 and 18 by the detent lever 23, respectively, so as to prevent the extension structure 22 from extending too far in the direction of the trunk to cause the reduction of the storage space of the trunk, the left sides of the upper and lower seat backs 19 and 18 are fixed with the soft strip 24 and the back pad 25 for providing comfort, the backrest is soft to increase the riding comfort during riding, and the soft strips 24 are provided on the front and rear surfaces of the back cushion 25.

Claims (8)

1. A foldable back row seat framework capable of reasonably utilizing space comprises a seat base (1) and an automobile chassis (2), and is characterized in that a movable groove (3) is formed in the upper surface of the automobile chassis (2), a tooth groove (4) for clamping is formed in the bottom of the inner wall of the movable groove (3), a movable plate (5) is movably arranged in the movable groove (3), a vertical support rod (6) is fixed at the top of the movable plate (5), horizontal moving clamping structures (7) are arranged on the vertical support rod (6) and the movable plate (5), and the clamping positions of the horizontal moving clamping structures (7) are clamped in the tooth groove (4) to position a movable block and the vertical support rod (6);
the upper surface of the seat base (1) is provided with a breathable layer (8), two side surfaces of the seat base (1) are horizontally fixed with rotating shafts (9) for rotation and support, the surface of each rotating shaft (9) is fixedly sleeved with two groups of bearings (10), the outer side surfaces of the two groups of bearings (10) are fixedly sleeved with sleeves (11) for positioning, vertical supporting rods (6) are fixed on the sleeves (11), the surface of each sleeve (11) is movably sleeved with a connecting plate (12), each connecting plate (12) is provided with a limiting groove (13) for limiting the corresponding sleeve (11), each sleeve (11) moves inside the corresponding limiting groove (13), the top of each sleeve (11) is provided with a positioning locking structure (14), one end, far away from the corresponding limiting groove (13), of each positioning locking structure (14) is connected with the surface of the corresponding connecting shaft (9) in an abutting mode, the left end face of each connecting plate (12) is provided with an electric push rod (15) for controlling the positions of the corresponding sleeve and the corresponding sleeve (11), the right end of the electric push rod (15) penetrates through the connecting plate (12) and is rotationally connected with the surface of the sleeve (11);
the inner wall of the connecting plate (12) is rotatably connected with a supporting shaft (16), a positioning locking structure (17) for positioning and locking is arranged on the connecting plate (12), the bottom end of the positioning locking structure (17) is in interference connection with the surface of the supporting shaft (16), a lower seat back (18) is rotatably sleeved on the surface of the supporting shaft (16), an upper seat back (19) is arranged above the lower seat back (18), telescopic structures (20) for controlling the distance between the lower seat back (18) and the upper seat back (19) are fixed at the front side and the back side of the lower seat back (18), rotating grooves (21) are formed in the connecting positions of the opposite surfaces and the right side surfaces of the upper seat back (19) and the lower seat back (18), a lengthening structure (22) is rotated inside the rotating grooves (21), and positioning clamping rods (23) for positioning the lengthening structure (22) are arranged at the positions, corresponding to the lengthening structure (22), on the right side of the upper seat back (19) and the lower seat back (18), the lengthening structure (22) is respectively clamped on the right sides of the upper seat back (19) and the lower seat back (18) through positioning clamping rods (23).
2. A space-efficient folding type rear seat frame as claimed in claim 1, wherein the left side positions of the upper seat back (19) and the lower seat back (18) are fixed with soft strips (24) and a back pad (25) for providing back comfort, and the soft strips (24) are provided on the front and back surfaces of the back pad (25).
3. A space-efficient folding rear seat frame as claimed in claim 1, it is characterized in that the horizontal moving clamping structure (7) comprises a placing groove (71), a movable clamping column (72), a clamping tooth (73), a spring (74), a pull wire (75) and a pull rod (76), wherein standing groove (71) are seted up on fly leaf (5) and vertical vaulting pole (6), spring (74) and activity kelly (72) all move about in standing groove (71), activity kelly (72) are located the below of spring (74), latch (73) are fixed in the bottom of activity kelly (72) and are blocked in corresponding tooth's socket (4), the top at activity kelly (72) is fixed in acting as go-between (75), vertical vaulting pole (6) are passed and are extended to the left side position of vertical vaulting pole (6) at the top of acting as go-between (75), pull rod (76) are located the left side position of vertical vaulting pole (6) and are fixed with pull rod (75).
4. The space-efficient folding rear seat frame as claimed in claim 1, wherein the positioning and locking structure (14) comprises a positioning groove (141), a locking rod (142) and a threaded rod (143), the positioning groove (141) is formed on the upper surface of the sleeve (11), the locking rod (142) is movably arranged inside the positioning groove (141), the threaded rod (143) is in threaded connection with the inside of the positioning groove (141), the threaded rod (143) is located above the locking rod (142), and the bottom of the locking rod (142) is connected with the surface of the rotating shaft (9).
5. A space efficient foldable rear seat frame according to claim 1 characterized in that the surface of the rotating shaft (9) and the surface of the supporting shaft (16) are provided with friction layers.
6. The folding type rear seat frame capable of reasonably utilizing the space as claimed in claim 1, wherein the positioning locking structure (17) comprises a locking groove (171), a locking rod (172) and a bolt (173), the locking groove (171) is formed on the connecting plate (12), the locking rod (172) is movably arranged in the locking groove (171), the bolt (173) is in threaded connection with the inside of the locking groove (171), the bolt (173) is positioned above the locking rod (172), and the locking rod (172) abuts against the surface of the rotating shaft (9).
7. The folding type back row seat frame capable of reasonably utilizing the space as claimed in claim 1, wherein the telescopic structure (20) comprises two sleeve plates (201) for containing, a telescopic plate (202), a group of moving grooves (203), a moving unlocking block (204), a threaded column (205), a containing groove (206), a rubber column (207), a positioning card (208) and a clamping groove (209), the two sleeve plates (201) are respectively fixed on the upper seat back (19) and the lower seat back (18), two ends of the telescopic plate (202) are respectively movable inside the two sleeve plates (201), the containing groove (206) is opened on the surface of the telescopic plate (202) near the two ends, the rubber column (207) is fixed in the containing groove (206), the positioning card (208) is fixed in the rubber column (207), the clamping groove (209) is opened on the sleeve plates (201), the positioning clamp (208) is clamped in the clamping groove (209), the moving groove (203) is formed in the sleeve plate (201), the moving unlocking block (204) is movably arranged in the moving groove (203), the threaded column (205) is in threaded connection with the inside of the moving unlocking block (204), and the threaded column (205) is in contact with the positioning clamp (208).
8. The folding type back row seat frame capable of reasonably utilizing the space as claimed in claim 1, wherein the lengthening structure (22) comprises two rotating blocks (221), two lengthening blocks (222), a bolt (223) and two bolt grooves (224), the two bolt grooves (224) are respectively arranged inside the two lengthening blocks (222), the bolt (223) is movably arranged in one bolt groove (224), the rotating blocks (221) are rotated inside the rotating grooves (21), and the lengthening blocks (222) are rotatably connected to the other ends of the rotating blocks (221).
CN202210429946.4A 2022-04-22 2022-04-22 Folding back row seat skeleton of rational utilization space Active CN114801924B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040095005A1 (en) * 2002-07-15 2004-05-20 Dukes David N. Pivotable reclining child safety car seat
CN104309503A (en) * 2014-10-29 2015-01-28 上汽通用五菱汽车股份有限公司 Car seat with automatic folding and turning function
CN111150252A (en) * 2020-01-10 2020-05-15 北京工业大学 Angle regulator for multi-angle adjustment of seat backrest
JP2021130429A (en) * 2020-02-21 2021-09-09 テイ・エス テック株式会社 Vehicle seat

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040095005A1 (en) * 2002-07-15 2004-05-20 Dukes David N. Pivotable reclining child safety car seat
CN104309503A (en) * 2014-10-29 2015-01-28 上汽通用五菱汽车股份有限公司 Car seat with automatic folding and turning function
CN111150252A (en) * 2020-01-10 2020-05-15 北京工业大学 Angle regulator for multi-angle adjustment of seat backrest
JP2021130429A (en) * 2020-02-21 2021-09-09 テイ・エス テック株式会社 Vehicle seat

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