CN115891796A - Built-in seat leg support with C-shaped arc chute and double rollers - Google Patents
Built-in seat leg support with C-shaped arc chute and double rollers Download PDFInfo
- Publication number
- CN115891796A CN115891796A CN202211420277.0A CN202211420277A CN115891796A CN 115891796 A CN115891796 A CN 115891796A CN 202211420277 A CN202211420277 A CN 202211420277A CN 115891796 A CN115891796 A CN 115891796A
- Authority
- CN
- China
- Prior art keywords
- metal plate
- screw
- plastic
- shaped
- arc chute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Seats For Vehicles (AREA)
Abstract
The invention relates to the technical field of automobile seats and discloses a C-shaped arc chute and double-roller built-in seat leg support, which comprises a seat cushion framework, a synchronous rod and the like, wherein a left metal plate support is welded with the seat cushion framework after being riveted into an assembly by a rivet, a right metal plate support is welded with the seat cushion framework after being riveted into an assembly by a rivet, and a middle metal plate support is welded with the seat cushion framework; the large roller and the small roller are assembled on the rivet; the left limiting strip and the right limiting strip are assembled to the middle sheet metal bracket; the motor is assembled to the seat cushion frame by using a first screw. According to the concealed chair leg support with the C-shaped arc chute and the double rollers, the C-shaped arc chute and the double rollers are adopted in the scheme, so that the problem of shaking up, down, left and right during the operation of the leg support can be solved, the process is simple, the assembly is convenient, and the cost is low; the large plastic piece is divided into three plastic pieces, and the three plastic pieces are connected by the screws, so that the problem that the large plastic piece cannot be demoulded in the process is solved.
Description
Technical Field
The invention relates to the technical field of automobile seats, in particular to a built-in seat leg support with a C-shaped arc chute and double rollers.
Background
The existing shank support on the market can only be generally applied to seats in front rows or middle rows due to the space of the rear row of a vehicle body, but cannot be applied to the seats in the rear row. With the development of society, the demand of people for the function and comfort of products is increasing, and users also want to have a leg support to support the lower leg when sitting on the back row, so that users can sit more comfortably. In the use and adjustment process of the leg support, the motor is electrified and then rotates to drive the transmission rod, the transmission rod can drive the metal gear to rotate, the metal gear rotates to drive the metal arc-shaped rack to rotate, and the arc-shaped rack rotates to drive the leg support driven structure to slide out from the lower side of the cushion, so that the legs of passengers are supported.
The existing leg support structure (1) is too thick, the existing fine blanking mode cannot be used for machining, and the machining greatly increases the cost. (2) The unable demolding of big working of plastics, (3) the guide chute that the leg held in the palm the operation in addition is C type circular arc spout stamping workpiece, and C type circular arc spout stamping workpiece centre gripping distance is short, leads to the leg to hold in the palm the volume of rocking obvious, and the rigidity is not good. (4) After the needle roller cage plastic part is arranged on the C-shaped arc chute stamping part, the needle roller bearing is difficult to assemble into the needle roller cage plastic part, so that the assembly process is difficult to realize. (5) Even if the needle bearing and the needle roller cage are assembled reluctantly, the clearance between the upper needle roller shaft and the lower needle roller shaft is difficult to guarantee.
The existing scheme is summarized as follows: the leg support has large shaking amount up and down, left and right during operation, and can not meet the use experience requirements of passengers.
Therefore, the built-in seat leg support with the C-shaped arc chute and the double rollers is provided.
Disclosure of Invention
The invention mainly solves the technical problems in the prior art and provides a built-in chair leg support with a C-shaped arc chute and double rollers.
In order to achieve the purpose, the invention adopts the following technical scheme that the built-in seat leg support with the C-shaped arc chute and the double rollers comprises a seat cushion framework, a synchronizing rod, a thrust cap, a metal bushing, a plastic bushing, a motor, a left metal plate bracket, rivets, a middle metal plate bracket, a right metal plate bracket, a gear, a small roller, a large roller, a left limiting strip, a right limiting strip, a first screw, a left arc-shaped guide rail, a right arc-shaped guide rail, a middle large plastic guide rail, a second screw, a front-end plastic roller, a screw rod, a nut, a middle connecting metal plate, an arc-shaped rack, a left limiting metal plate, a right limiting metal plate, a C-shaped arc chute stamping part, limiting rubber, a third screw, a fourth screw and a bearing, wherein the left metal plate bracket is welded with the seat cushion framework after being riveted with the rivet into an assembly, the right metal plate bracket is welded with the seat cushion framework after being riveted with the rivet into an assembly, and the middle metal plate bracket is welded with the seat cushion framework; the large roller and the small roller are assembled on the rivet; the left limiting strip and the right limiting strip are assembled to the middle metal plate support; the motor is assembled on the seat cushion framework by adopting a first screw; the metal bushings are assembled in the circular holes of the seat cushion framework, the left metal plate bracket, the right metal plate bracket and the middle metal plate bracket; the plastic bushing is assembled in the metal bushing hole; the synchronous rod passes through the holes of the motor, the plastic bushing and the gear; the thrust caps are clamped at the two ends of the synchronous rod; the left arc-shaped plastic piece guide rail is fixed on the middle large plastic guide rail by a second screw; the right arc plastic piece guide rail is fixed on the middle large plastic guide rail by a second screw.
Preferably, the C-shaped arc chute stamping part, the middle connecting metal plate, the arc-shaped rack, the left limiting metal plate and the right limiting metal plate are welded together.
Preferably, an assembly formed by welding the C-shaped arc chute stamping part, the middle connecting metal plate, the arc-shaped rack, the left limiting metal plate and the right limiting metal plate together is assembled on the middle large plastic guide rail by a fourth screw; the bearings are mounted to both sides of the front plastic drum.
Preferably, the screw rod penetrates through the front end plastic roller and the bearing; the assembly of the screw rod, the plastic roller and the bearing is assembled to the front end of the middle connecting metal plate; nuts are screwed to both ends of the screw.
Preferably, the C-shaped arc chute stamping part is meshed with the large roller, the small roller, the arc rack and the gear.
Preferably, the limiting rubber slides into the rear end of the C-shaped arc chute stamping part, and the third screw fixes the limiting rubber to the C-shaped arc chute stamping part.
Preferably, the left arc-shaped plastic piece guide rail and the right arc-shaped plastic piece guide rail are in a symmetrical state.
Preferably, the large plastic part is decomposed into three plastic parts which are connected by screws, so that the problem that the large plastic part cannot be demoulded in the process is solved.
Advantageous effects
The invention provides a built-in seat leg support with a C-shaped arc chute and double rollers. The method has the following beneficial effects:
(1) The concealed seat leg support with the C-shaped arc chute and the double rollers adopts a C-shaped arc chute and double-roller structure, not only can the problem of shaking up and down, left and right when the leg support runs be solved, but also the process is simple, the assembly is convenient, and the cost is low.
(2) According to the built-in seat leg support with the C-shaped arc chute and the double rollers, the large plastic part is divided into three plastic parts, and the three plastic parts are connected through the screws, so that the problem that the large plastic part cannot be demoulded in the process is solved.
(3) This concealed seat leg of C type circular arc spout and two gyro wheels holds in palm, this leg holds in palm new construction and accomplishes 6mm with metal arc rack thickness, directly adopts the fine blanking technology to realize the volume production, can reduce the industrialization cost so widely.
(4) This concealed seat leg of C type circular arc spout and two gyro wheels holds in palm, changes the position of C type circular arc spout stamping workpiece structure to both sides from the centre to increase C type circular arc spout stamping workpiece length, make whole operation in-process, the leg holds in the palm the mechanism and can be in steady state always, improves leg and holds in the palm rigidity and stability.
(5) This concealed seat leg of C type circular arc spout and two gyro wheels holds in palm uses two gyro wheels structure and C type circular arc spout stamping workpiece to contact from top to bottom for the leg holds in the palm at the roll-off in-process, and two gyro wheels keep in contact with C type circular arc spout stamping workpiece, and two gyro wheels are pure rolling motion with C type circular arc spout stamping workpiece, reduce the friction power that the roll-off received of shank support. The leg support is stable in the operation process, and the passengers can not feel the shaking amount in the use process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a perspective view of a leg rest follower arrangement of the present invention;
FIG. 3 is a schematic view of the leg rest of the present invention in an expanded state;
FIG. 4 is a schematic view showing a state in which the leg rest is retracted.
Illustration of the drawings:
1. a seat cushion framework; 2. a synchronization lever; 3. a thrust cap; 4. a metal bushing; 5. a plastic bushing; 6. a motor; 7. a left sheet metal bracket; 8. riveting; 9. a middle sheet metal bracket; 10. a right sheet metal bracket; 11. a gear; 12. a small roller; 13. a large roller; 14. a left limit strip; 15. a right limit strip; 16. a first screw; 17. a left arcuate plastic piece rail; 18. a right arcuate plastic piece rail; 19. a middle large plastic guide rail; 20. a second screw; 21. a front end plastic drum; 22. a screw; 23. a nut; 24. the middle part is connected with a metal plate; 25. an arc-shaped rack; 26. a left limit metal plate; 27. a right limit metal plate; 28. c-shaped arc chute stamping parts; 29. limiting rubber; 30. a third screw; 31. a fourth screw; 32. and a bearing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
A C-shaped arc chute and double-roller built-in seat leg support is shown in figures 1-4 and comprises a seat cushion framework 1, a synchronizing rod 2, a thrust cap 3, a metal bushing 4, a plastic bushing 5, a motor 6, a left sheet metal bracket 7, rivets 8, a middle sheet metal bracket 9, a right sheet metal bracket 10, a gear 11, a small roller 12, a large roller 13, a left limiting strip 14, a right limiting strip 15, a first screw 16, a left arc plastic piece guide rail 17, a right arc plastic piece guide rail 18, a middle large plastic guide rail 19, a second screw 20, a front end plastic drum 21, a screw 22, a nut 23, a middle connecting sheet metal 24, an arc rack 25, a left limiting sheet metal 26, a right limiting sheet metal 27, a C-shaped arc chute 28, limiting rubber 29, a third screw 30, a fourth screw 31 and a bearing 32;
the seat cushion frame 1 can be regarded as a rigid part. The left metal plate support 7 and the rivet 8 are riveted into an assembly and then welded with the seat cushion framework 1, the right metal plate support 10 and the rivet 8 are riveted into an assembly and then welded with the seat cushion framework 1, and the middle metal plate support 9 is welded with the seat cushion framework 1; the large roller 13 and the small roller 12 are assembled on the rivet 8; the left limiting strip 14 and the right limiting strip 15 are assembled to the middle sheet metal bracket 9; the motor 6 is assembled on the seat cushion framework 1 by adopting a first screw 16; the metal lining 4 is assembled in the circular holes of the seat cushion framework 1, the left metal plate bracket 7, the right metal plate bracket 10 and the middle metal plate bracket 9; the plastic bush 5 is fitted into the hole of the metal bush 4; the synchronous rod 2 passes through the holes of the motor 6, the plastic bushing 5 and the gear 11; the thrust caps 3 are clamped at two ends of the synchronous rod 2; the left arc plastic piece guide rail 17 is fixed on the middle large plastic guide rail 19 by a second screw 20; the right arcuate plastic rail 18 is secured to the middle large plastic rail 19 by second screws 20.
The C-shaped arc chute stamping part 28, the middle connecting metal plate 24, the arc rack 25, the left limiting metal plate 26 and the right limiting metal plate 27 are welded together.
An assembly formed by welding the C-shaped arc chute stamping part 28, the middle connecting metal plate 24, the arc rack 25, the left limiting metal plate 26 and the right limiting metal plate 27 together is assembled on the middle large plastic guide rail 19 by a fourth screw 31; bearings 32 are attached to both sides of the front plastic drum 21.
The screw 22 passes through the front plastic roller 21 and the bearing 32; the assembly of the screw 22, the plastic roller 21 and the bearing 32 is assembled at the front end of the middle connecting metal plate 24; nuts 23 are screwed to both ends of the screw 22.
The C-shaped arc chute stamping part 28 is used for meshing the large roller 13, the small roller 12 and the arc rack 25 with the gear 11.
The limiting rubber 29 slides into the rear end of the C-shaped arc chute stamping part 28, and the third screw 30 fixes the limiting rubber 29 to the C-shaped arc chute stamping part 28.
The left arc-shaped plastic piece guide rail 17 and the right arc-shaped plastic piece guide rail 18 are in a symmetrical state.
The arc-shaped rack 25 with the thickness of 20mm is originally machined, and is optimized to be 6mm thick by adopting a fine blanking process, so that the mass production is realized, and the industrial cost can be greatly reduced.
The working principle of the leg support is as follows:
and (3) putting in a leg support:
electrifying the motor 6, the corotation of the motor 6 can drive the corotation of the synchronizing rod 2, the corotation of the synchronizing rod 2 can drive the corotation of the gear 11, the corotation of the gear 11 can drive the arc-shaped rack 25 to rotate, at the moment, the large roller 13 and the small roller 12 rotate on the rivet 8, and the relative C-shaped arc chute stamping part 28 rolls, so that the leg support driven structure can be taken in to the lower part of the seat cushion framework 1, when the left limiting metal plate 26 and the right limiting metal plate 27 are in contact with the left limiting strip 14 and the right limiting strip 15, the motor is locked, and the leg support can not be taken in backwards any more.
Unfolding the leg support:
electrifying the motor 6, the motor 6 rotates reversely to drive the synchronizing rod 2 to rotate reversely, the synchronizing rod 2 rotates reversely to drive the gear 11 to rotate reversely, the gear 11 rotates reversely to drive the arc-shaped rack 25 to rotate positively, the large roller 13 and the small roller 12 rotate on the rivet 8 at the moment, and the C-shaped arc chute stamping part 28 rolls relatively, so that the leg support is stably unfolded to the front side from the driven structure, the passenger shank is supported, when the limiting rubber 29 contacts with the small roller 12, the motor is locked, and the leg support can not be unfolded forwards and backwards.
The C-shaped arc chute and double-roller structure is adopted, so that the problem of shaking up, down, left and right during the operation of the leg support can be solved, the process is simple, the assembly is convenient, and the cost is low; the large plastic piece is decomposed into three plastic pieces, and the three plastic pieces are connected by screws, so that the problem that the large plastic piece cannot be demoulded in the process is solved;
the novel leg support structure enables the thickness of the metal arc-shaped rack to be 6mm, and volume production is achieved by directly adopting a fine blanking process, so that the industrial cost can be greatly reduced, the metal arc-shaped rack in the prior art is too thick and cannot be machined by adopting the conventional fine blanking mode, the cost is greatly increased by adopting machining, the thickness of the metal rack is reduced, and the manufacturing cost is greatly reduced by adopting the fine blanking process.
The positions of the C-shaped arc chute stamping parts are changed from the middle to two sides, and the length of the C-shaped arc chute stamping parts is increased, so that the leg support mechanism can be always in a stable state in the whole operation process, and the rigidity and the stability of the leg support are improved. The double-roller structure is in up-and-down contact with the C-shaped arc chute stamping part, so that the leg support keeps in contact with the C-shaped arc chute stamping part in the sliding-out process, the double rollers and the C-shaped arc chute stamping part move in a pure rolling mode, and friction force applied to the sliding-out of the leg support is reduced. The leg support is stable in the operation process, and passengers can not feel shaking amount in the use process.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an interior concealed seat leg of C type circular arc spout and two gyro wheels holds in palm, including seatpad skeleton (1), synchronizing bar (2), thrust cap (3), metal bush (4), plastics bush (5), motor (6), left side panel beating support (7), rivet (8), middle panel beating support (9), right side panel beating support (10), gear (11), little gyro wheel (12), big gyro wheel (13), left side spacing (14), right side spacing (15), first screw (16), left side arc working of plastics guide rail (17), right side arc working of plastics guide rail (18), middle big plastics guide rail (19), second screw (20), front end plastics cylinder (21), screw rod (22), nut (23), intermediate junction panel beating (24), arc rack (25), left side spacing panel beating (26), right side spacing panel beating (27), C type circular arc spout (28), spacing rubber (29), third screw (30), fourth screw (31) and bearing (32), its characterized in that: the left metal plate support (7) is welded with the seat cushion framework (1) after being riveted with the rivet (8) to form an assembly, the right metal plate support (10) is welded with the seat cushion framework (1) after being riveted with the rivet (8) to form an assembly, and the middle metal plate support (9) is welded with the seat cushion framework (1); the large roller (13) and the small roller (12) are assembled on the rivet (8); the left limiting strip (14) and the right limiting strip (15) are assembled to the middle sheet metal bracket (9); the motor (6) is assembled on the seat cushion framework (1) by adopting a first screw (16); the metal lining (4) is assembled in the circular holes of the seat cushion framework (1), the left metal plate bracket (7), the right metal plate bracket (10) and the middle metal plate bracket (9); the plastic bush (5) is assembled in the hole of the metal bush (4); the synchronous rod (2) passes through holes of the motor (6), the plastic bushing (5) and the gear (11); the thrust caps (3) are clamped at two ends of the synchronous rod (2); the left arc plastic piece guide rail (17) is fixed on the middle large plastic guide rail (19) by a second screw (20); the right arc plastic piece guide rail (18) is fixed on the middle large plastic guide rail (19) by a second screw (20).
2. The built-in seat leg support of C-shaped arc chute and double-roller according to claim 1, characterized in that: the C-shaped arc chute stamping part (28), the middle connecting metal plate (24), the arc rack (25), the left limiting metal plate (26) and the right limiting metal plate (27) are welded together.
3. The built-in seat leg support with the C-shaped circular arc chute and the double rollers as claimed in claim 2, wherein: an assembly formed by welding the C-shaped arc chute stamping part (28), the middle connecting metal plate (24), the arc rack (25), the left limiting metal plate (26) and the right limiting metal plate (27) together is assembled on the middle large plastic guide rail (19) by a fourth screw (31); bearings (32) are mounted on both sides of the front plastic drum (21).
4. The built-in seat leg support of C-shaped arc chute and double-roller according to claim 3, characterized in that: the screw (22) penetrates through the front end plastic roller (21) and the bearing (32); the assembly of the screw (22), the plastic roller (21) and the bearing (32) is assembled at the front end of the middle connecting metal plate (24); nuts (23) are screwed to both ends of the screw (22).
5. The built-in seat leg support with the C-shaped arc chute and the double rollers as claimed in claim 4, wherein: the C-shaped arc chute stamping part (28) is meshed with the large roller (13), the small roller (12), the arc rack (25) and the gear (11).
6. The built-in seat leg support with the C-shaped circular arc chute and the double rollers as claimed in claim 5, wherein: the limiting rubber (29) slides into the rear end of the C-shaped arc chute stamping part (28), and the limiting rubber (29) is fixed onto the C-shaped arc chute stamping part (28) through a third screw (30).
7. The built-in seat leg support of C-shaped arc chute and double-roller according to claim 1, characterized in that: the left arc-shaped plastic part guide rail (17) and the right arc-shaped plastic part guide rail (18) are in a symmetrical state.
8. The built-in seat leg support of C-shaped arc chute and double-roller according to claim 1, characterized in that: the large plastic part is decomposed into three plastic parts which are connected by screws, so that the problem that the large plastic part cannot be demoulded in the process is solved.
9. The built-in seat leg support of C-shaped arc chute and double-roller according to claim 1, characterized in that: the arc-shaped rack (25) with the thickness of 20mm is originally machined, and is optimized to be 6mm in thickness by adopting a fine blanking process, so that mass production is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211420277.0A CN115891796A (en) | 2022-11-14 | 2022-11-14 | Built-in seat leg support with C-shaped arc chute and double rollers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211420277.0A CN115891796A (en) | 2022-11-14 | 2022-11-14 | Built-in seat leg support with C-shaped arc chute and double rollers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115891796A true CN115891796A (en) | 2023-04-04 |
Family
ID=86495019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211420277.0A Pending CN115891796A (en) | 2022-11-14 | 2022-11-14 | Built-in seat leg support with C-shaped arc chute and double rollers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115891796A (en) |
-
2022
- 2022-11-14 CN CN202211420277.0A patent/CN115891796A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202234113U (en) | Overturning type foot rest | |
| CN110481392B (en) | Linkage adjusting mechanism for backrest framework and seat frame framework of automobile seat | |
| CN107499211B (en) | Thigh leg holds in palm adjustment mechanism and has car seat basin of this mechanism | |
| CN115891796A (en) | Built-in seat leg support with C-shaped arc chute and double rollers | |
| CN219007670U (en) | Concealed seat leg support with C-shaped arc chute and double rollers | |
| CN212890018U (en) | Seat leg that interface is diversified holds in palm skeleton | |
| CN215621545U (en) | Supporting leg extending structure and child safety seat | |
| CN213962552U (en) | Locking device for back seat linkage seat | |
| CN213007729U (en) | Double-damping automobile seat overturning power-assisted mechanism | |
| CN215921960U (en) | Local bearing structure of car seat of back linkage | |
| CN113829970A (en) | Car seat that use comfort is high | |
| CN209616967U (en) | Adjustable foot pedal apparatus and the vehicles | |
| CN214607197U (en) | Car seat tilting mechanism | |
| CN220314809U (en) | Leg clamping prevention support structure and automobile seat with same | |
| CN220764172U (en) | Leg support electric adjustable seat | |
| CN116552353A (en) | Fixing structure of face cover and transmission crawler belt | |
| CN217917924U (en) | Seat back linkage mechanism and train seat with same | |
| CN202728005U (en) | Overturning seat underframe | |
| CN219856912U (en) | Electric four-way leg support mechanism with noodle sleeve winding function | |
| CN217396335U (en) | Novel car turns over a headrest structure | |
| CN113602162A (en) | Local bearing structure of vehicle seat of back linkage | |
| CN221272690U (en) | Seat framework capable of being turned forward | |
| CN208559215U (en) | Commercial vehicle elevating mechanism | |
| CN221153559U (en) | Multifunctional office chair | |
| CN114537239B (en) | Leg support mechanism, vehicle seat and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |