CN108674275B - Extensible stepless adjustment leg support - Google Patents
Extensible stepless adjustment leg support Download PDFInfo
- Publication number
- CN108674275B CN108674275B CN201810753147.6A CN201810753147A CN108674275B CN 108674275 B CN108674275 B CN 108674275B CN 201810753147 A CN201810753147 A CN 201810753147A CN 108674275 B CN108674275 B CN 108674275B
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- Prior art keywords
- connecting rod
- assembly
- rod
- support
- telescopic
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- 230000007246 mechanism Effects 0.000 claims abstract description 130
- 238000005187 foaming Methods 0.000 claims description 21
- 238000005491 wire drawing Methods 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/995—Lower-leg-rests, e.g. calf-rests
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/68—Seat frames
Abstract
The invention discloses an extensible stepless adjusting leg support, which comprises a stepless telescopic mechanism arranged in the middle of a seat framework, a connecting rod mechanism symmetrically arranged at two ends of the stepless telescopic mechanism, and a leg support mechanism arranged at one end of the two connecting rod mechanisms; the two connecting rod mechanisms are connected through a connecting rod frame which is transversely arranged, the two connecting rod mechanisms are double-linkage mechanisms which are movably connected through connecting pieces, one end of each connecting rod mechanism is movably connected with a connecting plate on one side of the seat framework, and the other end of each connecting rod mechanism is connected with the leg support mechanism. The invention is convenient for the assembly and disassembly of the whole stepless adjustment leg support by reasonable layout of the stepless telescopic mechanism arranged in the middle of the seat framework, the connecting rod mechanisms symmetrically arranged at the two outer sides of the seat framework, the leg support mechanism arranged at one end of the two connecting rod mechanisms and the like, ensures the stable adjustment of the telescopic of the stepless adjustment leg support, and simultaneously has high cost performance compared with the traditional mechanical control and motor control.
Description
Technical Field
The invention relates to the technical field of seat leg supports, in particular to an extensible stepless adjusting leg support.
Background
With the vigorous development of the automobile industry, the automobile popularization degree is higher and higher, the requirements of people on the comfort and the functionality of the seat in the traveling process are higher and higher, the seat with the leg support is generated, particularly in the long-distance driving process, the seat with the leg support can support the lower leg of an occupant, the fatigue of long-distance driving members is greatly reduced, and the cost performance of the brand automobile is improved while the comfort of the seat is improved.
At present, the leg rest on the market is divided into a hand-operated member and a motor screw rod control, however, the hand-operated member control is too laborious, the experience of passengers is poor, the motor screw rod control cost is higher, the supportable area of the leg rest for the lower part of the lower leg of the passenger is too small, the lower half part of the lower leg of the passenger cannot be effectively supported, and the uncomfortable feeling of the lower leg of the passenger still exists.
Disclosure of Invention
The invention aims to provide an extensible stepless adjusting leg support, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
an extensible stepless adjusting leg support comprises a stepless telescopic mechanism arranged in the middle of a seat framework, a connecting rod mechanism symmetrically arranged at two ends of the stepless telescopic mechanism, and a leg support mechanism arranged at one end of the two connecting rod mechanisms; the two connecting rod mechanisms are connected through a connecting rod frame which is transversely arranged, the two connecting rod mechanisms are double-linkage mechanisms which are movably connected through connecting pieces, one end of each connecting rod mechanism is movably connected with a connecting plate at one side of the seat framework, and the other end of each connecting rod mechanism is connected with the leg support mechanism; the stepless telescopic mechanism comprises a pneumatic telescopic rod, one end of the pneumatic telescopic rod is connected with the middle part of the first connecting rod of the seat framework through a movable connecting frame, and the other end of the pneumatic telescopic rod is movably connected with the middle part of the connecting rod frame.
As a further scheme of the invention: the stepless telescopic mechanism further comprises a wire drawing fixing frame and an operating handle which are fixedly arranged on the outer side of the seat framework, and an adjusting wire drawing connecting the wire drawing fixing frame and the pneumatic telescopic rod, wherein one end of the adjusting wire drawing is fixedly connected with a movable connecting frame of the pneumatic telescopic rod, which is close to one end of the first connecting rod.
As a further scheme of the invention: the connecting plates are symmetrically arranged on the upper parts of two sides of the seat framework and connected through a second connecting rod, and the pneumatic telescopic rod is positioned below the second connecting rod.
As a further scheme of the invention: the leg support mechanism comprises a support plate assembly rotationally connected with one end of the double-linkage mechanism, a foaming assembly arranged on the upper part of the support plate assembly, and a guiding telescopic part and an elastic telescopic part for connecting the support plate assembly and the foaming assembly.
As a further scheme of the invention: the link mechanism comprises a first link assembly and a second link assembly;
the first connecting rod assembly comprises a driving front support with one end movably connected with the connecting plate and a connecting support with one end rotatably connected with the upper part of one side of the supporting plate assembly, and the other end of the driving front support is rotatably connected with the other end of the connecting support through a connecting piece;
the second connecting rod assembly comprises a driving rear support with one end movably connected with the connecting plate and a supporting support with one end rotatably connected with the middle part of one side of the supporting plate assembly, and the other end of the driving rear support is rotatably connected with the other end of the supporting support through a connecting piece.
As a further scheme of the invention: the guide telescopic part comprises a guide sleeve fixedly arranged on the lower surface of the support plate assembly and a guide rod penetrating through the guide sleeve, and the support plate assembly moves up and down along the guide rod through the guide sleeve; one end of the guide rod is connected through the guide connecting plate, and the other end of the guide rod is a bent rod fixedly connected with the foaming assembly.
As a further scheme of the invention: the elastic telescopic part comprises a telescopic spring connected with the lower part of the supporting plate assembly and the lower part of the foaming assembly, and a pulley assembly connected with the lower part of the supporting plate assembly and one of the connecting rod mechanisms.
As a further scheme of the invention: the pulley assembly comprises a fixed pulley fixedly arranged at the lower part of the supporting plate assembly and a rope wound on the fixed pulley, one end of the rope is fixedly connected with the guide connecting plate, and the other end of the rope is fixedly connected with the rear driving support at one side of the guide connecting plate.
Compared with the prior art, the invention has the beneficial effects that:
1. the stepless telescopic mechanisms arranged in the middle of the seat framework, the connecting rod mechanisms symmetrically arranged at the two outer sides of the seat framework, the leg support mechanisms arranged at one ends of the two connecting rod mechanisms and the like are reasonably distributed, so that the assembly and disassembly of the whole stepless regulating leg support are facilitated, the stable regulation of the telescopic of the stepless regulating leg support is ensured, and meanwhile, compared with the traditional mechanical control and motor control, the stepless regulating leg support has high cost performance;
2. the two symmetrically arranged connecting rod mechanisms are of double-linkage connecting rod structures, the first connecting rod component of the connecting rod mechanism is connected with the upper part of one side of the leg support mechanism, and the second connecting rod component is connected with the middle part of one side of the leg support mechanism, so that the safety and stability in the stepless adjustment leg support adjustment process are improved;
3. the operation handle arranged on the outer side of the seat framework is used for driving the adjustment wire drawing, so that the pneumatic telescopic rod is driven to push and pull the two connecting rod mechanisms, and the telescopic adjustment of the length of the leg support mechanism is driven by the linkage of the two connecting rod mechanisms, the operation is simple and convenient, the corresponding telescopic adjustment can be carried out according to the different requirements of different passengers, the riding comfort of different passengers is improved, the application range is wide, and the effect is good;
4. the stepless adjusting leg support is formed by assembling the stepless telescopic mechanism, the two connecting rod mechanisms, the leg support mechanism and the like, the length adjustment of the whole stepless adjusting leg support can be realized through the stepless telescopic mechanism and the two connecting rod mechanisms, the secondary extension of the leg support mechanism can be realized through the leg support mechanism linked with the connecting rod mechanisms, the adjustment of the contact area between the leg support mechanism and the shank of a passenger is increased, enough support can be provided for the shank of the passenger, the riding fatigue of the passenger is reduced, and the comfort of the seat is improved;
5. when the whole stepless adjusting leg support needs to be stretched, a passenger can realize the stretching of the stepless adjusting leg support and the secondary stretching of the leg support mechanism at one time through the manual adjusting operation handle, and when the stepless adjusting leg support is not needed, the contraction of the stepless adjusting leg support mechanism can be realized through the manual adjusting operation handle, so that the occupied space of the whole stepless adjusting leg support is greatly reduced, and meanwhile, the leg support mechanism can also automatically contract along the direction of the guide rod under the drive of the elastic telescopic part, so that the time and the labor are saved;
6. one end of a pneumatic telescopic rod of the stepless telescopic mechanism is connected with the first connecting rod through a movable piece, and the pneumatic telescopic rod is located below the second connecting rod, so that the phenomenon that the pneumatic telescopic rod touches a seat when the stepless telescopic mechanism works can be effectively avoided, and discomfort is caused to passengers sitting on the seat in the adjusting process.
Drawings
Fig. 1 is a view showing a state of use of the leg rest of the chair according to the present invention.
Fig. 2 is a structural view of the stepless telescopic mechanism, the link mechanism and the leg rest mechanism of the present invention.
Fig. 3 is a structural view of the stepless adjustment leg rest of the present invention when contracted.
Fig. 4 is a structural view of the stepless adjustment leg rest of the present invention when extended.
In the figure:
1-a seat framework, 11-a first connecting rod, 12-a second connecting rod, 13-a third connecting rod and 14-a connecting plate;
2-stepless telescopic mechanism, 21-pneumatic telescopic rod, 22-wiredrawing fixing frame, 23-operating handle and 24-regulating wiredrawing;
3-link mechanism, 31-first link assembly, 311-driving front bracket, 312-connecting bracket, 32-second link assembly, 321-driving rear bracket, 322-supporting bracket;
4-leg support mechanism, 41-support plate assembly, 42-foaming assembly, 43-guiding telescopic part, 431-guiding sleeve, 432-guiding rod, 433-guiding connecting plate, 44-elastic telescopic part, 441-telescopic spring, 442-fixed pulley and 443-rope;
5-connecting rod rest and 6-movable connecting frame.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention can steplessly extend or shorten the leg support mechanism 4 of the seat by manually adjusting the stepless telescopic mechanism 2 in the secondary driving of the automobile, the two rows of MPV models and the like, and simultaneously, the guide telescopic part 43 and the elastic telescopic part 44 of the connecting support plate assembly 41 and the foaming assembly 42 move along with the stepless telescopic mechanism 2 to realize the mutual staggered extension or mutual approaching contraction between the support plate assembly 41 and the foaming assembly 42, thereby realizing the adjustment of the contact area between the lower leg part of the human body and the leg support mechanism 4 and improving the comfort of passengers in the riding process.
Referring to fig. 1-2, an extendable stepless adjusting leg support comprises a stepless telescopic mechanism 2 arranged in the middle of a seat framework 1, a connecting rod mechanism 3 symmetrically arranged at two ends of the stepless telescopic mechanism 2, and a leg support mechanism 4 arranged at one end of the two connecting rod mechanisms 3; the seat frame 1 is connected with the third connecting rod 13 through the first connecting rod 11, the second connecting rod 12 and the third connecting rod 13 which are parallel in space, the second connecting rod 12 and the third connecting rod 13 are respectively connected with the front upper portion and the rear upper portion of the seat frame 1, the first connecting rod 11 is positioned between the third connecting rod 13 and the second connecting rod 12, the height of the first connecting rod 11 is lower than that of the third connecting rod 13 and the second connecting rod 12, the pneumatic telescopic rod 21 connected with the middle of the first connecting rod 11 through the movable connecting frame 6 is positioned below the second connecting rod 12, and the other end of the pneumatic telescopic rod 21 is also connected with the middle of the connecting rod frame 5 through the movable connecting frame 6. The connecting plates 14 are symmetrically arranged at the upper parts of two sides of the seat framework 1, the two connecting plates 14 are connected through the second connecting rod 12, and the pneumatic telescopic rod 21 is positioned below the second connecting rod 12.
The stepless telescopic mechanism 2 comprises a pneumatic telescopic rod 21, one end of which is connected with the middle part of a first connecting rod 11 of the seat framework through a movable connecting frame 6, and the other end of the pneumatic telescopic rod 21 is movably connected with the middle part of a connecting rod frame 5. The stepless telescopic mechanism 2 further comprises a wire drawing fixing frame 22 and an operating handle 23 which are fixedly arranged on the outer side of the seat framework 1, and an adjusting wire drawing 24 for connecting the wire drawing fixing frame 22 with the pneumatic telescopic rod 21, wherein one end of the adjusting wire drawing 24 is fixedly connected with the movable connecting frame 6 of the pneumatic telescopic rod 21, which is close to one end of the first connecting rod 11.
The two link mechanisms 3 are connected through a transversely arranged link frame 5, the two link mechanisms 3 are all double-link mechanisms movably connected through connecting pieces, one end of each link mechanism 3 is movably connected with a connecting plate 14 on one side of the seat framework 1, and the other end of each link mechanism is connected with the leg support mechanism 4; the link mechanism 3 includes a first link assembly 31 and a second link assembly 32; the first link assembly 31 includes a driving front bracket 311 with one end movably connected with the connecting plate 14, and a connecting bracket 312 with one end rotatably connected with the upper part of one side of the supporting plate assembly 41, wherein the other end of the driving front bracket 311 is rotatably connected with the other end of the connecting bracket 312 through a connecting piece; the second link assembly 32 includes a driving rear bracket 321 with one end movably connected to the connecting plate 14, and a support bracket 322 with one end rotatably connected to the middle portion of one side of the support plate assembly 41, where the other end of the driving rear bracket 321 is rotatably connected to the other end of the support bracket 322 through a connecting member. The two ends of the connecting rod rest 5 are respectively connected with the middle lower part of the rear driving support 321 of the second connecting rod assembly 32 of the two connecting rod mechanisms 3.
The leg rest mechanism 4 comprises a support plate assembly 41 rotatably connected with one end of the double-linkage mechanism, a foaming assembly 42 arranged on the upper part of the support plate assembly 41, and a guiding telescopic part 43 and an elastic telescopic part 44 for connecting the support plate assembly 41 and the foaming assembly 42. The guiding telescopic part 43 comprises a guide sleeve 431 fixedly arranged on the lower surface of the supporting plate assembly 41 and a guide rod 432 penetrating through the guide sleeve 431, and the supporting plate assembly 41 moves up and down along the guide rod 432 through the guide sleeve 431; one end of the guide rod 432 is connected through a guide connecting plate 433, and the other end is a bent rod fixedly connected with the foaming assembly 42. The elastic telescopic part 44 includes a telescopic spring 441 connecting the lower part of the support plate assembly 41 with the lower part of the foaming assembly 42, and a pulley assembly connecting the lower part of the support plate assembly 41 with one of the link mechanisms 3. The pulley assembly comprises a fixed pulley 442 fixed at the lower part of the supporting plate assembly 41, and a rope 443 wound on the fixed pulley 442, wherein one end of the rope 443 is fixedly connected with the guide connection plate 433, and the other end is fixedly connected with the rear driving bracket 321 at one side.
Referring to fig. 3-4, in the specific assembly, the movable connecting frame 6 at one end of the pneumatic telescopic rod 21 of the stepless telescopic mechanism 2 is movably connected with the middle part of the first connecting rod 11 through a movable piece, the movable connecting frame 6 at the other end is movably connected with the middle part of the connecting rod frame 5 through a movable piece, and the movable piece can adopt an assembly of a connecting bolt, a connecting nut, a bushing and the like. The driving front bracket 311 of the first link assembly 31 of the double-linkage link mechanism 3 is movably connected with the outer side of the connecting plate 14 through a connecting piece, the other end of the driving front bracket 311 is movably connected with one end of the connecting bracket 312 through a movable piece, and the other end of the connecting bracket 312 is connected with the upper part of one side of the supporting plate assembly 41 through a movable piece; the driving rear bracket 321 of the second connecting rod assembly 32 is also movably connected with the outer side of the connecting plate 14 through a connecting piece, the other end of the driving rear bracket 321 is movably connected with one end of the supporting bracket 322 through a movable piece, and the other end of the supporting bracket 322 is connected with the middle part of one side of the supporting plate assembly 41 through a movable piece; meanwhile, the middle part of the connecting bracket 312 of the first link assembly 31 is rotatably connected with the middle lower part of the driving rear bracket 321 of the second link assembly 32 through a connecting member. And finally, the support plate assembly 41 with the guide sleeve 431 fixedly arranged on the lower surface of the bottom is arranged at one end of the connecting rod mechanism 3, the foaming assembly 42 is fixedly arranged at one end of a bent rod of the guide rod 432 penetrating through the guide sleeve 431 at the guiding telescopic part 43, the support plate assembly 41 and the foaming assembly 42 are also connected through the elastic telescopic part 44 arranged at the whole lower part of the leg support mechanism 4, and the connecting piece can be one or more assemblies of a step bolt, a rivet, a bushing and the like, so that the assembly and the disassembly are convenient.
When the seat is particularly used, a passenger sitting on the seat pulls and adjusts the wiredrawing 24 by operating the operating handle 23 fixedly arranged on one outer side surface of the seat framework 1 according to the self-adjusting requirement. Through the reasonable layout of the stepless telescopic mechanism 2, the connecting rod mechanism 3 and the leg support mechanism 4, a passenger can adjust the length of the whole stepless regulating leg support at any time according to the self requirement, and the size of the contact area of the parallel regulating leg support mechanism 4 and the shank of the passenger is simple to operate, compared with the traditional mechanical control and motor control, the stepless regulating leg support structure comprising the stepless telescopic mechanism 2, the connecting rod mechanism 3, the leg support mechanism 4 and the like has high cost performance, the problem that the fatigue feeling of the passenger when the passenger is taken caused by too small contact area of the shank of the passenger and the leg support mechanism 4 can not be relieved can be effectively solved, enough support can be provided for the shank of the passenger according to the self requirement of the passenger, the riding fatigue feeling of the passenger when the passenger is taken for a long distance and a short distance is truly lightened, and the comfort feeling of a car seat is improved.
When the stepless adjustment leg support needs to be stretched, the adjustment wire drawing 24 shortens and drives the connecting rod bracket 5 connected with the pneumatic telescopic rod 21 to push the connecting rod bracket 5 at one end of the pneumatic telescopic rod 21 to move forwards and upwards, two connecting rod mechanisms 3 symmetrically arranged at two outer sides of the seat framework 1 work, an included angle between a driving front support 311 and a connecting support 312 of a first connecting rod assembly 31 of the connecting rod mechanism 3 and an included angle between a driving rear support 321 and a supporting support 322 of a second connecting rod assembly 32 are increased, and further the leg support mechanism 4 at one end of the connecting rod mechanism 3 is pushed to move forwards and upwards, so that the stretching of the whole stepless adjustment leg support is realized, meanwhile, the telescopic spring 441 of the elastic telescopic part 44 stretches, the distance between two ends of a rope 443 of a pulley assembly wound on a fixed pulley 442 stretches, a foaming assembly 42 of the leg support mechanism 4 penetrates into a guide sleeve 431 fixedly arranged on the lower surface of the bottom of the supporting plate assembly 41 along a guide rod 432 of the guide telescopic part 43, and the foaming guide rod assembly 42 fixedly arranged at one end of the guide rod 432 moves downwards and forwards along the guide rod 432, so that the secondary stretching of the leg support mechanism 4 contacted with the leg support mechanism 4 is realized, and the comfort area of the leg support mechanism 4 contacted with the leg support mechanism of the passenger is greatly increased; when the stepless adjustment leg support needs to be contracted, the adjusting wire drawing 24 stretches and enables the connecting rod frame 5 at one end of the pneumatic telescopic rod 21 connected with the adjusting wire drawing 24 to move back downwards, the two connecting rod mechanisms 3 symmetrically arranged at two outer sides of the seat framework 1 work, the included angle between the driving front support 311 and the connecting support 312 of the first connecting rod component 31 of the connecting rod mechanism 3 is reduced, the included angle between the driving rear support 321 and the supporting support 322 of the second connecting rod component 32 is reduced, the leg support mechanism 4 at one end of the connecting rod mechanism 3 is pulled to move back downwards, the whole stepless adjustment leg support is contracted, meanwhile, the telescopic spring 441 of the elastic telescopic part 44 automatically shortens under the self elastic action, the pulley component winds around the rope 443 on the fixed pulley 442, the distance between two ends of the rope 443 is shortened, the foaming assembly 42 of the leg support mechanism 4 penetrates into the guide sleeve 431 fixedly arranged on the bottom surface of the supporting plate assembly 41 along the guide rod 432 of the guide telescopic part 43, the foaming assembly 42 at one end of the guide rod 432 moves back upwards along the guide rod 432, the whole supporting plate 432 is further, the whole stepless adjustment leg support mechanism 42 is in contact with the whole supporting plate assembly 4, the whole space is shortened by the whole expansion space is reasonably shortened, and the whole expansion space is reduced by using the whole expansion space of the supporting mechanism 42.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. An extensible stepless adjustment leg support, which is characterized in that: comprises a stepless telescopic mechanism (2) arranged in the middle of a seat framework (1), a connecting rod mechanism (3) symmetrically arranged at two ends of the stepless telescopic mechanism (2), and a leg support mechanism (4) arranged at one end of the two connecting rod mechanisms (3); the two connecting rod mechanisms (3) are connected through a connecting rod frame (5) which is transversely arranged, the two connecting rod mechanisms (3) are all double-linkage mechanisms which are movably connected through connecting pieces, one end of each connecting rod mechanism (3) is movably connected with a connecting plate (14) on one side of the seat framework (1), and the other end of each connecting rod mechanism is connected with the leg support mechanism (4); the stepless telescopic mechanism (2) comprises a pneumatic telescopic rod (21) with one end connected with the middle part of a first connecting rod (11) of the seat framework through a movable connecting frame (6), and the other end of the pneumatic telescopic rod (21) is movably connected with the middle part of a connecting rod frame (5);
the leg support mechanism (4) comprises a support plate assembly (41) rotatably connected with one end of the double-linkage mechanism, a foaming assembly (42) arranged on the upper part of the support plate assembly (41), and a guiding telescopic part (43) and an elastic telescopic part (44) for connecting the support plate assembly (41) with the foaming assembly (42);
the link mechanism (3) comprises a first link assembly (31) and a second link assembly (32);
the first connecting rod assembly (31) comprises a driving front support (311) with one end movably connected with the connecting plate (14) and a connecting support (312) with one end rotatably connected with one side upper part of the supporting plate assembly (41), and the other end of the driving front support (311) is rotatably connected with the other end of the connecting support (312) through a connecting piece;
the second connecting rod assembly (32) comprises a driving rear support (321) with one end movably connected with the connecting plate (14) and a supporting support (322) with one end rotatably connected with the middle part of one side of the supporting plate assembly (41), and the other end of the driving rear support (321) is rotatably connected with the other end of the supporting support (322) through a connecting piece;
the guide telescopic part (43) comprises a guide sleeve (431) fixedly arranged on the lower surface of the support plate assembly (41) and a guide rod (432) penetrating through the guide sleeve (431), and the support plate assembly (41) moves up and down along the guide rod (432) through the guide sleeve (431); one end of the guide rod (432) is connected through a guide connecting plate (433), and the other end of the guide rod is a bent rod fixedly connected with the foaming assembly (42);
the elastic telescopic part (44) comprises a telescopic spring (441) which connects the lower part of the supporting plate assembly (41) with the lower part of the foaming assembly (42), and a pulley assembly which connects the lower part of the supporting plate assembly (41) with one of the connecting rod mechanisms (3); the pulley assembly comprises a fixed pulley (442) fixedly arranged at the lower part of the supporting plate assembly (41) and a rope (443) wound on the fixed pulley (442), one end of the rope (443) is fixedly connected with the guide connecting plate (433), and the other end of the rope (443) is fixedly connected with the rear driving bracket (321) at one side of the guide connecting plate.
2. The extendable stepless adjustment leg rest of claim 1, wherein: the stepless telescopic mechanism (2) further comprises a wire drawing fixing frame (22) and an operating handle (23) which are fixedly arranged on the outer side of the seat framework (1), and an adjusting wire drawing (24) which is used for connecting the wire drawing fixing frame (22) with the pneumatic telescopic rod (21), wherein one end of the adjusting wire drawing (24) is fixedly connected with a movable connecting frame (6) which is close to one end of the first connecting rod (11) of the pneumatic telescopic rod (21).
3. The extendable stepless adjustment leg rest of claim 1, wherein: the connecting plates (14) are symmetrically arranged at the upper parts of two sides of the seat framework (1), the two connecting plates (14) are connected through the second connecting rod (12), and the pneumatic telescopic rod (21) is positioned below the second connecting rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810753147.6A CN108674275B (en) | 2018-07-10 | 2018-07-10 | Extensible stepless adjustment leg support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810753147.6A CN108674275B (en) | 2018-07-10 | 2018-07-10 | Extensible stepless adjustment leg support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108674275A CN108674275A (en) | 2018-10-19 |
| CN108674275B true CN108674275B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810753147.6A Active CN108674275B (en) | 2018-07-10 | 2018-07-10 | Extensible stepless adjustment leg support |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606009B (en) * | 2019-10-18 | 2022-04-26 | 佛吉亚(柳州)汽车座椅有限公司 | Automobile seat collision protection method |
| DE102020205480A1 (en) * | 2020-04-30 | 2021-11-04 | Lear Corporation | Leg support mechanism for a seat |
| KR102420622B1 (en) * | 2020-10-27 | 2022-07-14 | 주식회사 서연이화 | Leg rest device of seat for vehicle |
| CN115009129A (en) * | 2022-06-28 | 2022-09-06 | 浙江极氪智能科技有限公司 | Seat leg support and vehicle comprising same |
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| DE10056412A1 (en) * | 2000-11-14 | 2002-05-23 | Daimler Chrysler Ag | Footrest for vehicle passenger has setting device enabling second plate position to be set |
| DE102006038736A1 (en) * | 2006-08-19 | 2008-02-21 | Kintec-Solution Gmbh | armchair |
| CN101580034A (en) * | 2009-06-26 | 2009-11-18 | 上海延锋江森座椅有限公司 | Leg support mechanism of automobile seats |
| KR20130073220A (en) * | 2011-12-23 | 2013-07-03 | 현대다이모스(주) | Leg rest apparatus for vehicle seat |
| CN202669551U (en) * | 2012-07-20 | 2013-01-16 | 烟台延锋江森座椅有限责任公司 | Secondary linking leg support mechanism |
| CN103029604A (en) * | 2012-12-20 | 2013-04-10 | 湖北中航精机科技股份有限公司 | Seat and leg support adjusting device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108674275A (en) | 2018-10-19 |
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Address after: No. 1582 Zishi Road, Hefei Economic and Technological Development Zone, Anhui Province, 230601 Applicant after: Hefei Yanfeng Yunhe automobile seat Co.,Ltd. Address before: 230601 300 meters west of the intersection of Zishi Road and Lianhua Road in Hefei Economic and Technological Development Zone, Anhui Province Applicant before: HEFEI YUNHE ANDAOTUO CAR SEAT CO.,LTD. |
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