CN211364361U - Telescopic leg support for seat - Google Patents
Telescopic leg support for seat Download PDFInfo
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- CN211364361U CN211364361U CN201922425625.3U CN201922425625U CN211364361U CN 211364361 U CN211364361 U CN 211364361U CN 201922425625 U CN201922425625 U CN 201922425625U CN 211364361 U CN211364361 U CN 211364361U
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- seat
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Abstract
The utility model discloses a telescopic leg support for a seat, which comprises a rotary telescopic component and a driving component for driving the rotary telescopic component to rotate; the rotary telescopic assembly comprises a connecting plate in transmission connection with the driving assembly and a telescopic plate in sliding fit with the connecting plate, and a telescopic driving assembly used for driving the telescopic plate to slide relative to the connecting plate is arranged between the connecting plate and the telescopic plate. The utility model discloses a telescopic leg of seat holds in palm through set up flexible actuating mechanism between connecting plate and expansion plate, rotates independent mutually between the concertina movement of flexible subassembly and its rotary motion promptly, also can the active control rotate flexible subassembly and be rotary motion and be concertina movement, can satisfy the operation requirement under the various scenes.
Description
Technical Field
The utility model relates to a seat leg holds in the palm, specific is a telescopic leg holds in palm for seat.
Background
In recent years, the development of automobiles is rapid, the selection of people is diversified, and the requirements on accessories of the automobiles are increased, wherein the automobile seat leg support is included. The leg rest is a fitting part on the automobile seat and is mainly used for assisting in increasing the leg supporting area of a passenger so as to improve the riding comfort.
The chinese patent application with publication number CN109050369A discloses a telescopic leg support structure for an automobile seat, which comprises a first support plate, wherein two ends of the first support plate are symmetrically provided with guide blocks extending outwards along the width direction of the first support plate, a second support plate is slidably mounted on the guide blocks, two ends of one side of the first support plate are symmetrically provided with connecting seats, two sides of the first support plate are connected to the connecting seats in an overturning manner through overturning components, and the connecting seats are provided with driving components for driving the overturning components to move; further comprising: the linkage assembly comprises a first connecting plate and a second connecting plate which are mutually hinged at the end parts, wherein one end of the first connecting plate far away from the second connecting plate is hinged on a second supporting plate, the second connecting plate is rotatably arranged on the first supporting plate through a hinge hole arranged on the second connecting plate, one end of the second connecting plate far away from the first connecting plate is hinged with a third connecting plate, and the third connecting plate is linked with the turnover assembly.
The telescopic leg support structure for the automobile seat has the following defects:
1) the telescopic motion between the first supporting plate and the second supporting plate is passively controlled by a linkage assembly, namely the first supporting plate and the second supporting plate are controlled by a turnover assembly to be telescopic, and when a user controls the turnover assembly to move but does not need the telescopic motion between the first supporting plate and the second supporting plate, the telescopic leg support structure cannot meet the use requirement;
2) the guide blocks are arranged at two ends of the first support plate, the second support plate is sleeved on the guide blocks in a sliding fit manner, but the first support plate and the second support plate are not arranged in a staggered manner, namely the second support plate can generate interference with the first support plate in the contraction movement process, so that the expansion movement stroke of the second support plate is limited;
3) the direct suit of second backup pad is on the guide block, and when the interval between second backup pad and the first backup pad is great, the sliding fit length between second backup pad and the guide block is short more, leads to the support of second backup pad to be unstable, also the leg holds in the palm the possibility of rocking after stretching out and increases, is unfavorable for the use, can reduce the life that the leg held in the palm even.
Disclosure of Invention
In view of this, the utility model aims at providing a telescopic leg support for seat adopts the mode control concertina movement of active control, can satisfy the not use scene demand.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a telescopic leg support for a seat comprises a rotary telescopic assembly and a driving assembly for driving the rotary telescopic assembly to rotate;
the rotary telescopic assembly comprises a connecting plate in transmission connection with the driving assembly and a telescopic plate in sliding fit with the connecting plate, and a telescopic driving assembly used for driving the telescopic plate to slide relative to the connecting plate is arranged between the connecting plate and the telescopic plate.
Furthermore, guide sliding sleeves are respectively arranged on two sides of the front end of the connecting plate, and guide sliding rods in sliding fit with the guide sliding sleeves are respectively arranged on two sides of the expansion plate.
Furthermore, the connecting plate and the expansion plate are arranged in a staggered mode.
Further, flexible drive assembly including fixed mounting flexible driving motor on the connecting plate and with the screw lead screw mechanism that flexible driving motor transmission is connected, screw lead screw mechanism include with the screw lead screw, the screw lead screw with the direction slide bar is parallel, just the screw lead screw with the expansion plate is connected.
Further, the connecting plate includes the connecting plate support, the connecting plate support includes the connection front bezel that sets gradually after to in the past, connects the medium plate and connects the back plate, connect the front bezel and be equipped with the bearing plate between the medium plate, flexible driving motor fixed mounting be in on the bearing plate, the direction sliding sleeve is installed connect on the front bezel, connect the medium plate and connect the back plate on the installation be equipped with the connection apron.
Furthermore, the connecting cover plate is provided with at least two positioning pins, and positioning grooves are formed in the connecting middle plate and correspond to the positioning pins one to one.
Further, the expansion plate includes the expansion plate support, the expansion plate support is including the flexible front bezel that is located the front end and the flexible back plate that is located the rear end, flexible front bezel respectively with two the front end of direction slide bar links to each other, flexible back plate respectively with two the rear end of direction slide bar links to each other, the installation is equipped with flexible apron on flexible front bezel and the flexible back plate.
Further, the driving assembly comprises a rotating shaft, a driving mechanism for driving the rotating shaft to rotate and two rotating discs which are respectively positioned on two sides of the rotating shaft and rotate synchronously with the rotating shaft;
the two sides below the connecting plate are respectively provided with a rotating connecting plate;
and a rotating connecting rod mechanism is respectively arranged between the two rotating discs and the corresponding rotating connecting plate.
Further, the rotating link mechanism comprises a first link mechanism and a second link mechanism;
the first connecting rod mechanism comprises a first connecting arm synchronously rotating with the rotating disc and a first connecting rod hinged with the corresponding rotating connecting plate, and a double-hinged connecting rod is arranged between the first connecting rod and the first connecting arm;
the second connecting rod mechanism comprises a second connecting arm synchronously rotating with the rotating disc and a second connecting rod hinged with the corresponding rotating connecting plate, and the second connecting arm is hinged with the second connecting rod;
the middle part of the first connecting rod is hinged with the second connecting arm, and the first connecting rod and the second connecting rod are always kept parallel to each other.
Further, the device also comprises a first rotating shaft and a second rotating shaft which are arranged in parallel with the rotating shaft;
the first connecting rods and the double-hinged connecting rods of the two first connecting rod mechanisms are sleeved on the first rotating shaft in a rotating matching manner;
and the second connecting arms of the two second connecting rod mechanisms are sleeved on the second rotating shaft in a rotating matching manner.
The beneficial effects of the utility model reside in that:
the utility model discloses a telescopic leg of seat holds in palm through set up flexible actuating mechanism between connecting plate and expansion plate, rotates independent mutually between the concertina movement of flexible subassembly and its rotary motion promptly, also can the active control rotate flexible subassembly and be rotary motion and be concertina movement, can satisfy the operation requirement under the various scenes.
The guide sliding sleeve is arranged at the front end of the connecting plate, and the guide sliding rod is arranged on the telescopic plate, so that the matching length between the guide sliding rod and the guide sliding sleeve is kept constant in the sliding process of the telescopic plate relative to the connecting plate, and the stability is improved;
through with dislocation set between connecting plate and the expansion plate, can effectively increase the slip stroke of expansion plate, also increase flexible stroke.
Drawings
In order to make the purpose, technical scheme and beneficial effect of the utility model clearer, the utility model provides a following figure explains:
FIG. 1 is a schematic structural view of an embodiment of a retractable leg rest for a seat according to the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a rear view of FIG. 1;
FIG. 5 is a cross-sectional view A-A of FIG. 1;
fig. 6 is a perspective view of the telescopic leg rest for a seat of the present embodiment.
Description of reference numerals:
11-a connecting plate; 111-connecting the front plate; 112-connecting the middle plate; 113-connecting the back plate; 114-a bearing plate; 115-connecting cover plate; 116-a locating pin; 117-positioning grooves;
12-a retractable plate; 121-telescoping front panel; 122-telescoping back plate; 123-a telescopic cover plate;
13-a guide sliding sleeve; 14-a guide slide bar; 15-a telescopic driving motor; 16-a threaded screw rod; 17-rotating the connecting plate;
22-a rotating shaft; 23-a rotating disc;
31-a first connecting arm; 32-a first link; 33-double hinge connecting rod; 34-a second connecting arm; 35-a second link; 36-a first shaft; 37-a second shaft; 38-drive motor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Fig. 1 is a schematic structural view of an embodiment of the telescopic leg rest for a seat according to the present invention. The telescopic leg support for the seat comprises a rotary telescopic assembly and a driving assembly for driving the rotary telescopic assembly to rotate.
The rotary telescopic assembly of the embodiment comprises a connecting plate 11 in transmission connection with the driving assembly and a telescopic plate 12 in sliding fit with the connecting plate 11, and a telescopic driving assembly for driving the telescopic plate 12 to slide relative to the connecting plate 11 is arranged between the connecting plate 11 and the telescopic plate 12.
The telescopic leg support for the seat is provided with the telescopic driving mechanism between the connecting plate and the telescopic plate, namely, the telescopic motion of the telescopic assembly is rotated independently of the rotary motion of the telescopic assembly, the telescopic assembly can be actively controlled to rotate and move in a rotary mode and in a telescopic mode, and the use requirements under various scenes can be met.
Furthermore, two sides of the front end of the connecting plate 11 are respectively provided with a guide sliding sleeve 13, and two sides of the expansion plate 12 are respectively provided with a guide sliding rod 14 in sliding fit with the guide sliding sleeve 13. Through set up the direction sliding sleeve at the front end of connecting plate and set up the direction slide bar on the expansion plate, so, at the expansion plate relative to the connecting plate slip in-process, the cooperation length between direction slide bar and the direction sliding sleeve all keeps invariable, increases stability.
Preferably, the connecting plate 11 and the expansion plate 12 of the present embodiment are disposed in a staggered manner, and the expansion plate 12 of the present embodiment is located above the connecting plate 11, so that interference between the expansion plate 12 and the connecting plate 11 can be prevented, and the sliding stroke of the expansion plate 12, that is, the expansion stroke, can be effectively increased.
Further, the telescopic driving assembly of the embodiment includes a telescopic driving motor 15 fixedly installed on the connecting plate 11 and a screw lead screw mechanism in transmission connection with the telescopic driving motor 15, the screw lead screw mechanism includes a screw lead screw 16, the screw lead screw 16 is parallel to the guide slide bar 14, and the screw lead screw 16 is connected with the telescopic plate 12. The telescopic plate 12 is driven to slide relative to the connecting plate 11 by a telescopic driving motor 15 and a screw mechanism.
Specifically, the connecting plate 11 of this embodiment includes the connecting plate support, and the connecting plate support includes the connection front bezel 111, connect the middle plate 112 and connect the back plate 113 that set gradually from the past to the back, connects and is equipped with bearing plate 114 between front bezel 111 and the connection middle plate 112, and flexible driving motor 15 fixed mounting is on bearing plate 114, and the direction sliding sleeve 13 is installed on connecting front bezel 111, connects middle plate 112 and connects the back plate 113 and go up the installation and be equipped with and connect apron 115. Preferably, at least two positioning pins 116 are disposed on the connecting cover plate 115, and positioning grooves 117 are disposed on the connecting middle plate 112 in one-to-one correspondence with the positioning pins, so as to facilitate assembly and positioning.
Specifically, the expansion plate 12 of this embodiment includes an expansion plate support, the expansion plate support includes an expansion front plate 121 located at the front end and an expansion rear plate 122 located at the rear end, the expansion front plate 121 is respectively connected with the front ends of the two guide slide bars 14, the expansion rear plate 122 is respectively connected with the rear ends of the two guide slide bars 14, and the expansion front plate 121 and the expansion rear plate 122 are provided with an expansion cover plate 123.
Further, the driving assembly of the present embodiment includes a rotating shaft 22, a driving mechanism for driving the rotating shaft 22 to rotate, and two rotating discs 23 respectively located at both sides of the rotating shaft 22 and rotating synchronously with the rotating shaft 22. The two sides below the connecting plate 11 of the embodiment are respectively provided with a rotating connecting plate 17; and a rotating link mechanism is respectively arranged between the two rotating discs 23 and the corresponding rotating connecting plate 17. The driving mechanism of the present embodiment includes a driving motor 38, and the driving motor 38 is mounted on the first link arm 31.
Specifically, the rotating link mechanism of the present embodiment includes a first link mechanism and a second link mechanism. The first link mechanism of the present embodiment includes a first link arm 31 that rotates synchronously with the rotating disk 23 and a first link 32 that is hinged to the corresponding rotating link plate 17, and a double-hinged link 33 is provided between the first link arm 31 and the first link 32. The second link mechanism of the present embodiment includes a second connecting arm 34 rotating synchronously with the rotating disc 23 and a second link 35 hinged to the corresponding rotating connecting plate 17, and the second connecting arm 34 is hinged to the second link 35. The middle portion of the first link 32 and the second link arm 34 of the present embodiment are hinged, and the first link 32 and the second link 35 are always parallel to each other, so that the connecting plate 11 and the expansion plate 12 can move in parallel during the rotation process.
Further, the rotating link mechanism of the present embodiment further includes a first rotating shaft 36 and a second rotating shaft 37 arranged in parallel with the rotating shaft 22; the first connecting rods 32 and the double-hinged connecting rods 33 of the two first connecting rod mechanisms are sleeved on the first rotating shaft 36 in a rotating matching manner; the second connecting arms 34 of the two second link mechanisms are rotatably fitted around the second rotating shaft 37, so that the two rotating link mechanisms on the two sides can synchronously move.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A telescopic leg rest for a seat, characterized in that:
the device comprises a rotary telescopic assembly and a driving assembly for driving the rotary telescopic assembly to rotate;
the rotary telescopic assembly comprises a connecting plate (11) connected with the driving assembly in a transmission mode and a telescopic plate (12) in sliding fit with the connecting plate (11), and the connecting plate (11) and the telescopic plate (12) are provided with a telescopic driving assembly used for driving the telescopic plate (12) to slide relative to the connecting plate (11).
2. The telescoping leg rest for a seat of claim 1, wherein:
the two sides of the front end of the connecting plate (11) are respectively provided with a guide sliding sleeve (13), and the two sides of the expansion plate (12) are respectively provided with a guide sliding rod (14) in sliding fit with the guide sliding sleeves (13).
3. The telescoping leg rest for a seat of claim 1, wherein:
the connecting plate (11) and the expansion plate (12) are arranged in a staggered mode.
4. The telescoping leg rest for a seat of claim 2, wherein:
the telescopic driving assembly comprises a telescopic driving motor (15) fixedly mounted on the connecting plate (11) and a threaded screw rod mechanism connected with the telescopic driving motor (15) in a transmission mode, the threaded screw rod mechanism comprises a threaded screw rod (16), the threaded screw rod (16) is parallel to the guide sliding rod (14), and the threaded screw rod (16) is connected with the telescopic plate (12).
5. The telescoping leg rest for a seat of claim 4, wherein:
the connecting plate (11) comprises a connecting plate support, the connecting plate support comprises a connecting front plate (111), a connecting middle plate (112) and a connecting rear plate (113) which are sequentially arranged from front to back, a bearing plate (114) is arranged between the connecting front plate (111) and the connecting middle plate (112), a telescopic driving motor (15) is fixedly arranged on the bearing plate (114), a guide sliding sleeve (13) is arranged on the connecting front plate (111), and a connecting cover plate (115) is arranged on the connecting middle plate (112) and the connecting rear plate (113).
6. The telescoping leg rest for a seat as set forth in claim 5, wherein:
the connecting cover plate (115) is provided with at least two positioning pins (116), and the connecting middle plate (112) is provided with positioning grooves (117) corresponding to the positioning pins one to one.
7. The telescoping leg rest for a seat of claim 2, wherein:
expansion plate (12) include the expansion plate support, the expansion plate support is including flexible front bezel (121) that is located the front end and flexible back plate (122) that is located the rear end, flexible front bezel (121) respectively with two the front end of direction slide bar (14) links to each other, flexible back plate (122) respectively with two the rear end of direction slide bar (14) links to each other, installation is equipped with flexible apron (123) on flexible front bezel (121) and flexible back plate (122).
8. The telescoping leg rest for a seat as claimed in any one of claims 1-7, wherein:
the driving assembly comprises a rotating shaft (22), a driving mechanism for driving the rotating shaft (22) to rotate and two rotating discs (23) which are respectively positioned on two sides of the rotating shaft (22) and rotate synchronously with the rotating shaft (22);
rotary connecting plates (17) are respectively arranged on two sides below the connecting plate (11);
and a rotating connecting rod mechanism is respectively arranged between the two rotating discs (23) and the corresponding rotating connecting plate (17).
9. The telescoping leg rest for a seat of claim 8, wherein:
the rotating link mechanism comprises a first link mechanism and a second link mechanism;
the first connecting rod mechanism comprises a first connecting arm (31) which synchronously rotates with the rotating disc (23) and a first connecting rod (32) which is hinged with the corresponding rotating connecting plate (17), and a double-hinged connecting rod (33) is arranged between the first connecting rod (32) and the first connecting arm (31) for connection;
the second connecting rod mechanism comprises a second connecting arm (34) which synchronously rotates with the rotating disc (23) and a second connecting rod (35) which is hinged with the corresponding rotating connecting plate (17), and the second connecting arm (34) is hinged with the second connecting rod (35);
the middle part of the first connecting rod (32) is hinged with the second connecting arm (34), and the first connecting rod (32) and the second connecting rod (35) are always kept parallel to each other.
10. The telescoping leg rest for a seat of claim 9, wherein:
the device also comprises a first rotating shaft (36) and a second rotating shaft (37) which are arranged in parallel with the rotating shaft (22);
the first connecting rods (32) and the double-hinged connecting rods (33) of the two first connecting rod mechanisms are sleeved on the first rotating shaft (36) in a rotating matching manner;
the second connecting arms (34) of the two second connecting rod mechanisms are sleeved on the second rotating shaft (37) in a rotating matching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425625.3U CN211364361U (en) | 2019-12-27 | 2019-12-27 | Telescopic leg support for seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922425625.3U CN211364361U (en) | 2019-12-27 | 2019-12-27 | Telescopic leg support for seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211364361U true CN211364361U (en) | 2020-08-28 |
Family
ID=72171524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922425625.3U Active CN211364361U (en) | 2019-12-27 | 2019-12-27 | Telescopic leg support for seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211364361U (en) |
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2019
- 2019-12-27 CN CN201922425625.3U patent/CN211364361U/en active Active
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