CN204323135U - A kind of backrest frames structure of automotive seat - Google Patents
A kind of backrest frames structure of automotive seat Download PDFInfo
- Publication number
- CN204323135U CN204323135U CN201420811116.9U CN201420811116U CN204323135U CN 204323135 U CN204323135 U CN 204323135U CN 201420811116 U CN201420811116 U CN 201420811116U CN 204323135 U CN204323135 U CN 204323135U
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- framework
- fixed
- support frame
- automotive seat
- backrest frames
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- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a kind of backrest frames structure of automotive seat, belongs to automobile technical field.It solve the problem that existing motor vehicle seat back is but difficult to realize length adjustment.The backrest frames structure of these automotive seat, automotive seat comprise a basin, backrest frames structure comprises base, connects framework and support frame, base upper side is vertically fixed with two case in, support frame is fixed with the two upper sleeve pipes paralleled, connect in framework and be fixed with two pilot bars paralleled, the lower slide of pilot bar is plugged on cased upper end, the upper end sliding plug of pilot bar is in the lower end of upper sleeve pipe, the side of support frame be connected the side of framework in same perpendicular, connect framework and be provided with driver train.The backrest frames structure of these automotive seat can carry out length adjustment, and then the length of adjusting seat backrest, improves traveling comfort.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of backrest frames structure of automotive seat.
Background technology
Along with the universal and scientific and technological development of automobile, automobile is at safety performance, handling and traveling comfort are all greatly improved, wherein automotive seat are the most directly embodying of car comfort, automotive seat can be divided into front-row seats and back seat, wherein front-row seats comprises headrest, backrest and cushion, back seat comprises headrest, backrest, cushion, flank, handrail etc., front-seat automotive seat can carry out front and back and regulate, sit height and the angular adjustment of basin, the angular adjustment etc. of backrest, but current motor vehicle seat back is but difficult to realize length adjustment, what namely height was higher or shorter can not rely on backrest with the posture of the most comfortable per capita, traveling comfort is poor.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of backrest frames structure of automotive seat, and the backrest frames structure of these automotive seat can carry out length adjustment, and then the length of adjusting seat backrest, improves traveling comfort.
The purpose of this utility model realizes by following technical proposal: a kind of backrest frames structure of automotive seat, automotive seat comprise a basin, it is characterized in that, described backrest frames structure comprises base, connect framework and support frame, described base upper side is vertically fixed with two case in, described support frame is fixed with the two upper sleeve pipes paralleled, described connection framework is fixed with two pilot bars paralleled, the lower slide of described pilot bar is plugged on cased upper end, the upper end sliding plug of pilot bar is in the lower end of upper sleeve pipe, the side of described support frame be connected the side of framework in same perpendicular, described connection framework is provided with and connection framework respect thereto can be driven respectively to move, support frame is relative to the driver train connecting framework movement.
Base, connect framework and support frame all rectangular, connecting framework is slidably connected on base, support frame is slidably connected at and connects in framework, base, connection framework and support frame define seat back-rest framework, when driver train does not work, support can be carried out to connection framework and support frame to fix, when needing to regulate length, under the effect of driver train, pilot bar can move relative to case in, namely connect framework respect thereto to move, upper sleeve pipe also can move relative to pilot bar, namely support frame moves relative to connecting framework, setting range is wider, thus improve the traveling comfort of back of seat.
In the backrest frames structure of above-mentioned automotive seat, described driver train comprises two-way cylinder, described connection framework is fixed with a U-shaped permanent seat, described support frame is fixed with contiguous block, described base is fixed with lower connecting block, described two-way cylinder is connected in permanent seat, and two-way cylinder piston rod passes the side plate of permanent seat and is connected on contiguous block, and another root piston rod passes another side plate of permanent seat and is connected on lower connecting block.Two-way cylinder is that the two ends of cylinder body all have piston rod, this two-piston bar all can stretch out or retract, it is comparatively existing accessory on market, permanent seat is fixed on connecting frame towards on the side after car, and the biside plate of permanent seat is all fixed with orienting sleeve, and two-piston bar passes respectively from two orienting sleeves, when two-way cylinder towards piston rod action time, connect framework and support frame synchronizing moving, when two-way cylinder piston rod action upward, support frame moves.
In the backrest frames structure of above-mentioned automotive seat, described driver train comprises servomotor and screw rod, described connection framework is fixed with two Connection Blocks, above-mentioned bolt rotary is connected on two Connection Blocks, and the length direction of screw rod is consistent with the length direction of pilot bar, described support frame and base are all fixed with nut, this two nut is connected to the two ends of screw rod, described servomotor is connected in and connects in framework, and the output shaft of servomotor is fixed with driving pulley, described screw rod is fixed with driven pulley, described driving pulley is connected by belt with driven pulley.Servomotor is by belt-driving drive screw turns, and bolt rotary can synchronously drive two nuts to move along spiro rod length direction, and namely connect framework respect thereto and move, synchronous, support frame moves relative to connecting framework.
In the backrest frames structure of above-mentioned automotive seat, also comprise two groups of connecting rod assemblies, described connecting rod assembly comprises two connecting rods, the middle part of these two connecting rods is hinged, described connection box body sidewall offers two chutes one, the sidewall of described support frame and base all offers chute two, described chute one and chute two are all arranged along backrest Width, the two ends of described connecting rod are all bent to form connecting portion to side, and the connecting portion of connecting rod one end is slidably connected in chute one, the connecting portion of the other end is slidably connected in chute two.When support frame relative to connect framework move or connect framework respect thereto move time, two connecting rods be hinged can relatively rotate, simultaneously the two ends of connecting rod can be moved relative to chute one and chute two respectively, and namely connecting rod assembly can play booster action to base and the connection being connected framework, the connection that connects framework and support frame.
In the backrest frames structure of above-mentioned automotive seat, described upper sleeve pipe and cased sidewall offer bar shaped position-limited trough all along its length, the end of described pilot bar is all fixed with spacing convex body, and described spacing convex body is slidably connected in position-limited trough.The length of position-limited trough is support frame relative to connecting framework, connecting framework respect thereto can the ultimate range of movement, and position-limited trough coordinates with spacing convex body and makes structure stability and safety more.
Compared with prior art, the backrest frames structure of these automotive seat has the following advantages:
1, due under the effect of driver train, connect framework respect thereto and move, support frame moves relative to connecting framework, and setting range is wider, thus improves the traveling comfort of back of seat.
2, due to base be connected between framework, connect and be equipped with connecting rod assembly between framework and support frame, booster action can be played to base and the connection being connected framework, the connection that connects framework and support frame.
3, due to upper sleeve pipe and cased sidewall all offering position-limited trough, the end of pilot bar is all fixed with spacing convex body, and position-limited trough coordinates with spacing convex body and makes structure stability and safety more.
Accompanying drawing explanation
Fig. 1 is the perspective view of the backrest frames structure of these automotive seat.
Fig. 2 is the structure back view of the backrest frames structure of these automotive seat.
Fig. 3 is the perspective view of backrest frames structure in embodiment two.
In figure, 1, seat basin; 2, base; 21, case in; 22, lower connecting block; 3, framework is connected; 31, pilot bar; 311, spacing convex body; 32, permanent seat; 33, Connection Block; 4, support frame; 41, upper sleeve pipe; 42, upper contiguous block; 5, driver train; 51, two-way cylinder; 52, servomotor; 521, driving pulley; 53, screw rod; 531, driven pulley; 54, nut; 6, connecting rod; 61, connecting portion; 62, chute one; 63, chute two; 7, position-limited trough.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one:
As shown in Figure 1, a kind of backrest frames structure of automotive seat, automotive seat comprise a basin 1, backrest frames structure comprises base 2, connect framework 3 and support frame 4, base 2, connect framework 3 and support frame 4 all rectangular, base 2 upper side is vertically fixed with two case in 21, support frame 4 is fixed with the two upper sleeve pipes 41 paralleled, connect in framework 3 and be fixed with two pilot bars paralleled 31, the lower slide of pilot bar 31 is plugged on the upper end of case in 21, the upper end sliding plug of pilot bar 31 is in the lower end of upper sleeve pipe 41, the side of support frame 4 be connected the side of framework 3 in same perpendicular, connecting framework 3 is slidably connected on base 2, support frame 4 is slidably connected at and connects in framework 3, base 2, connection framework 3 and support frame 4 define seat back-rest framework, when driver train 5 does not work, support can be carried out to connection framework 3 and support frame 4 to fix, connect framework 3 and be provided with driver train 5, when needing to regulate length, under the effect of driver train 5, pilot bar 31 can move relative to case in 21, namely connect framework 3 respect thereto 2 to move, upper sleeve pipe 41 also can move relative to pilot bar 31, namely support frame 4 moves relative to connection framework 3, setting range is wider, thus improve the traveling comfort of back of seat.
Specifically, shown in composition graphs 2, driver train 5 comprises two-way cylinder 51, two-way cylinder 51 is that the two ends of cylinder body all have piston rod, this two-piston bar all can stretch out or retract, it is comparatively existing accessory on market, connect in framework 3 and be fixed with a U-shaped permanent seat 32, permanent seat 32 is fixed on connecting frame towards on the side after car, the biside plate of permanent seat 32 is all fixed with orienting sleeve, support frame 4 is fixed with contiguous block 42, base 2 is fixed with lower connecting block 22, two-way cylinder 51 is connected in permanent seat 32, a piston rod of two-way cylinder 51 passes the orienting sleeve on permanent seat 32 side plate and is connected on contiguous block 42, another root piston rod passes the orienting sleeve on another side plate of permanent seat 32 and is connected on lower connecting block 22, when two-way cylinder 51 towards piston rod action time, connect framework 3 and support frame 4 synchronizing moving, when two-way cylinder 51 piston rod action upward, support frame 4 moves.The sidewall of upper sleeve pipe 41 and case in 21 offers bar shaped position-limited trough 7 all along its length, the end of pilot bar 31 is all fixed with spacing convex body 311, spacing convex body 311 is slidably connected in position-limited trough 7, the length of position-limited trough 7 is support frame 4 relative to connecting framework 3, connecting framework 3 respect thereto 2 can the ultimate range of movement, and position-limited trough 7 coordinates with spacing convex body 311 and makes structure stability and safety more.
Backrest frames structure also comprises two groups of connecting rod assemblies, connecting rod assembly comprises two connecting rods 6, the middle part of these two connecting rods 6 is hinged, connect on framework 3 sidewall and offer two chutes 1, the sidewall of support frame 4 and base 2 all offers chute 2 63, chute 1 and chute 2 63 are all arranged along backrest Width, the two ends of connecting rod 6 are all bent to form connecting portion 61 to side, and the connecting portion 61 of connecting rod 6 one end is slidably connected in chute 1, the connecting portion 61 of the other end is slidably connected in chute 2 63, when support frame 4 relative to connection framework 3 move or connect framework 3 respect thereto 2 move time, two connecting rods be hinged 6 can relatively rotate, the two ends of connecting rod 6 can be moved relative to chute 1 and chute 2 63 respectively simultaneously, namely connecting rod 6 assembly can to base 2 and the connection being connected framework 3, connect framework 3 and play booster action with the connection of support frame 4.
Embodiment two:
The backrest frames structure of these automotive seat is substantially identical with embodiment one, difference is as shown in Figure 3, driver train 5 comprises servomotor 52 and screw rod 53, connect in framework 3 and be fixed with two Connection Blocks 33, screw rod 53 is rotatably connected on two Connection Blocks 33, and the length direction of screw rod 53 is consistent with the length direction of pilot bar 31, support frame 4 and base 2 are all fixed with nut 54, this two nut 54 is connected to the two ends of screw rod 53, servomotor 52 is connected in and connects in framework 3, and the output shaft of servomotor 52 is fixed with driving pulley 521, screw rod 53 is fixed with driven pulley 531, described driving pulley 521 is connected by belt with driven pulley 531, servomotor 52 is rotated by belt-driving drive screw 53, screw rod 53 rotates and can synchronously drive two nuts 54 to move along screw rod 53 length direction, namely connect framework 3 respect thereto 2 to move, synchronous, support frame 4 moves relative to connection framework 3.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as a basin 1, base 2, case in 21 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (5)
1. the backrest frames structure of automotive seat, automotive seat comprise a basin (1), it is characterized in that, described backrest frames structure comprises base (2), connect framework (3) and support frame (4), described base (2) upper side is vertically fixed with two case in (21), described support frame (4) is fixed with the two upper sleeve pipes (41) paralleled, described connection framework (3) is fixed with two pilot bars paralleled (31), the lower slide of described pilot bar (31) is plugged on the upper end of case in (21), the upper end sliding plug of pilot bar (31) is in the lower end of upper sleeve pipe (41), the side of described support frame (4) be connected the side of framework (3) in same perpendicular, described connection framework (3) is provided with and connection framework (3) respect thereto (2) can be driven respectively mobile, support frame (4) is relative to the driver train (5) connecting framework (3) movement.
2. the backrest frames structure of automotive seat according to claim 1, it is characterized in that, described driver train (5) comprises two-way cylinder (51), described connection framework (3) is fixed with a U-shaped permanent seat (32), described support frame (4) is fixed with contiguous block (42), described base (2) is fixed with lower connecting block (22), described two-way cylinder (51) is connected in permanent seat (32), and a piston rod of two-way cylinder (51) passes the side plate of permanent seat (32) and is connected on contiguous block (42), another root piston rod passes another side plate of permanent seat (32) and is connected on lower connecting block (22).
3. the backrest frames structure of automotive seat according to claim 1, it is characterized in that, described driver train (5) comprises servomotor (52) and screw rod (53), described connection framework (3) is fixed with two Connection Blocks (33), above-mentioned screw rod (53) is rotatably connected on two Connection Blocks (33), and the length direction of screw rod (53) is consistent with the length direction of pilot bar (31), described support frame (4) and base (2) are all fixed with nut (54), this two nut (54) is connected to the two ends of screw rod (53), described servomotor (52) is connected in and connects in framework (3), and the output shaft of servomotor (52) is fixed with driving pulley (521), described screw rod (53) is fixed with driven pulley (531), described driving pulley (521) is connected by belt with driven pulley (531).
4. the backrest frames structure of the automotive seat according to Claims 2 or 3, it is characterized in that, also comprise two groups of connecting rod assemblies, described connecting rod assembly comprises two connecting rods (6), the middle part of these two connecting rods (6) is hinged, described connection framework (3) sidewall offers two chutes one (62), the sidewall of described support frame (4) and base (2) all offers chute two (63), described chute one (62) and chute two (63) are all arranged along backrest Width, the two ends of described connecting rod (6) are all bent to form connecting portion (61) to side, and the connecting portion (61) of connecting rod (6) one end is slidably connected in chute one (62), the connecting portion (61) of the other end is slidably connected in chute two (63).
5. the backrest frames structure of automotive seat according to claim 4, it is characterized in that, the sidewall of described upper sleeve pipe (41) and case in (21) offers bar shaped position-limited trough (7) all along its length, the end of described pilot bar (31) is all fixed with spacing convex body (311), and described spacing convex body (311) is slidably connected in position-limited trough (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811116.9U CN204323135U (en) | 2014-12-18 | 2014-12-18 | A kind of backrest frames structure of automotive seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420811116.9U CN204323135U (en) | 2014-12-18 | 2014-12-18 | A kind of backrest frames structure of automotive seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204323135U true CN204323135U (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420811116.9U Expired - Fee Related CN204323135U (en) | 2014-12-18 | 2014-12-18 | A kind of backrest frames structure of automotive seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204323135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890553A (en) * | 2015-06-29 | 2015-09-09 | 厦门理工学院 | Car seat backrest framework capable of changing shape |
| CN107264345A (en) * | 2017-06-14 | 2017-10-20 | 芜湖宏远汽车零部件有限公司 | A kind of adjustable for height automobile chair frame |
-
2014
- 2014-12-18 CN CN201420811116.9U patent/CN204323135U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104890553A (en) * | 2015-06-29 | 2015-09-09 | 厦门理工学院 | Car seat backrest framework capable of changing shape |
| CN104890553B (en) * | 2015-06-29 | 2018-04-17 | 厦门理工学院 | A kind of car seat back frame of shape changeable |
| CN107264345A (en) * | 2017-06-14 | 2017-10-20 | 芜湖宏远汽车零部件有限公司 | A kind of adjustable for height automobile chair frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 |