CN218141173U - Mechanical leg support surface extension mechanism - Google Patents
Mechanical leg support surface extension mechanism Download PDFInfo
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- CN218141173U CN218141173U CN202221989231.6U CN202221989231U CN218141173U CN 218141173 U CN218141173 U CN 218141173U CN 202221989231 U CN202221989231 U CN 202221989231U CN 218141173 U CN218141173 U CN 218141173U
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- arm
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- 238000000034 method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a mechanical leg holds in palm surface extension mechanism, include: seat skeleton, install mechanical leg on the seat skeleton and hold in the palm, install the mechanical leg and hold in the palm the surface extension mechanism between and the leg cushion, the surface extension mechanism includes: the device comprises an upper extension plate, a lower extension plate, a slide rail mechanism connected between the upper extension plate and the lower extension plate, an adjusting mechanism and a supporting mechanism; the sliding rail mechanism is used for connecting the upper extension plate and the lower extension plate, and the upper extension plate is connected in a sliding groove of the lower extension plate in a sliding manner through a sliding bolt; the supporting mechanism is used for supporting the upper extension plate and the lower extension plate on the mechanical leg support, and comprises: the driving arm and the driven arm are hinged between the mechanical leg support and the adjusting mechanism; adjustment mechanism is used for the drive to go up extension board and lower extension board and slides each other, and adjustment mechanism includes: the upper extension plate drives the lower extension plate to move in the opposite direction through the driven gear; has the advantages of simple and reliable structure, strong operability, cost reduction and the like.
Description
Technical Field
The utility model relates to a car seat technical field, concretely relates to mechanical leg holds in palm surface extension mechanism.
Background
Along with the diversification and the science and technology of car seat function more and more, the inside driver's cabin space of seat is more and more high to the requirement of travelling comfort, and car seat leg holds in the palm extends the travelling comfort that the mechanism can improve the passenger and take, and current leg holds in the palm extends the mechanism and divide into manual control and electric control dual mode, and electronic leg holds in the palm extends the mechanism operation more convenient, and can realize infinitely variable control, is used by more and more car manufacturers. The existing four-way electric leg support extension mechanism needs to adopt two motors for joint control in order to realize electric extension, for example, chinese patent CN 212579695U discloses an electric leg support extension mechanism of an automobile seat, and the mechanism needs to place driving motors for driving a screw rod and nut mechanism at two sides, so that the structure is not only too high in cost, but also high in failure rate. Further, for example, chinese patent CN 207860027U discloses an electric extension leg support, in which a driving motor is used as a power source to drive a leg support plate to extend and retract, but the extension plate of the leg support of the mechanism can only extend in one direction, and has a limited extension length, and a problem of high failure rate due to a complicated structure.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, it is an object of the present invention to provide a mechanical leg support surface extension mechanism for driving the mechanical leg support surface extension mechanism, and the stretching adjustment of two extension plates can be realized only by one driving motor, so as to overcome the disadvantages of the prior art.
The utility model provides a mechanical leg holds in palm surface extension mechanism, include: seat skeleton, install mechanical leg on the seat skeleton and hold in the palm, install the mechanical leg and hold in the palm the surface extension mechanism between leg cushion, the improvement of doing is, the surface extension mechanism includes: the device comprises an upper extension plate, a lower extension plate, a slide rail mechanism connected between the upper extension plate and the lower extension plate, an adjusting mechanism and a supporting mechanism;
wherein, slide rail mechanism is used for connecting and goes up extension board and lower extension board, slide rail mechanism includes: the sliding bolt is fixedly connected to the upper extension plate and is connected in the sliding groove in a sliding mode, the sliding grooves are arranged along the sliding direction of the upper extension plate, and the upper extension plate is connected in the sliding groove of the lower extension plate in a sliding mode through the sliding bolt;
wherein, the supporting mechanism is used for supporting upper extension board and lower extension board on mechanical leg holds in the palm, the supporting mechanism includes: the driving arm and the driven arm are hinged between the mechanical leg support and the adjusting mechanism, the driving arm is used for driving the upper extending plate and the lower extending plate to be unfolded or retracted on the mechanical leg support, the driven arm is used for driving the adjusting mechanism to extend or retract the upper extending plate and the lower extending plate, and a driving gear for driving the adjusting mechanism is arranged on the driving arm;
wherein, adjustment mechanism is used for driving upper extension board and lower extension board to slide each other, adjustment mechanism includes: the support frame that is located between extension board and the lower extension board, link firmly axis of rotation in the support frame, install the driven gear who rotates epaxial along the horizontal direction, the support frame is installed on the actuating arm, upward be provided with two rows of gear drive grooves on the extension board, be provided with one row of gear drive groove on the extension board down, gear drive groove on the extension board corresponds with one of them row of gear drive groove position on the last extension board down, driven gear meshes respectively in two rows of gear drive grooves that correspond, drive gear meshes at last extension board another row of gear drive inslot, the actuating arm drives the swing of support frame wobbling in-process drive driven arm, the driven arm passes through drive gear and drives the extension board, goes up the extension board and drives down extension board to opposite direction motion through driven gear.
As the utility model discloses a preferred, drive gear and driven arm integrated into one piece, the drive gear at driven arm top is half tooth gear.
As a preferred aspect of the present invention, one set of the driving arms is composed of two driving arms, the bottoms of the two driving arms are hinged to the mechanical leg support, and the tops of the two driving arms are hinged to the support frame; and the group of driven arms consists of two driven arms, the bottoms of the two driven arms are hinged on the mechanical leg support, and the tops of the two driven arms are hinged on the support frame.
As the utility model discloses a preferred, go up extension board sliding connection on the support frame, wherein, go up and be provided with the sliding bolt between two rows of gear drive grooves of extension board, go up in the extension board passes through the spout on the sliding bolt sliding connection support frame.
As the utility model discloses a preferred, mechanical leg holds in the palm and includes: the driving device comprises a fixed support, two groups of supporting arms hinged to two sides of the fixed support, a driving motor installed on the fixed support, and a worm and gear assembly or a lead screw assembly installed on the output end of the driving motor, wherein the end part of the worm and gear assembly or the lead screw assembly is fixedly connected with a beam rod, the tops of the supporting arms and the driving arms are hinged to the beam rod, the driving motor drives the worm and gear assembly or the lead screw assembly to stretch and indirectly drive the beam rod, the beam rod drives the supporting arms and the driving arms to lift or retract, and the driving arms drive the upper extension plate and the lower extension plate to unfold or fold.
The utility model has the advantages and positive effects that:
1. the utility model discloses only can realize the synchro control that mechanical leg held in the palm and surface extension mechanism through a driving motor, for the mode that adopts two driving motor to control respectively in the current structure, not only the cost is reduced has increased the travelling comfort moreover.
2. The utility model has the advantages of simple structure is reliable, maneuverability is strong, the assembly is simple, has and adjusts convenience.
Drawings
Other objects and results of the invention will be more apparent and readily appreciated by reference to the following description taken in conjunction with the accompanying drawings, and as the invention is more fully understood. In the drawings:
fig. 1 is a schematic diagram of an overall structure in an embodiment of the present invention.
Fig. 2 is a schematic view of a mechanical leg support structure in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a surface extension mechanism according to an embodiment of the present invention.
Fig. 4 is a second schematic structural diagram of the surface extension mechanism according to the embodiment of the present invention.
Fig. 5 is a third schematic structural diagram of a surface extension mechanism in an embodiment of the present invention.
Fig. 6 is a fourth schematic view of the structure of the surface extension mechanism in the embodiment of the present invention.
Fig. 7 is a fifth schematic view of the structure of the surface extension mechanism in the embodiment of the present invention.
Fig. 8 is a schematic view of an installation structure of the upper extension plate and the driven arm according to the embodiment of the present invention.
Fig. 9 is a top view of a surface extension mechanism in an embodiment of the present invention.
Fig. 10 is a cross-sectional view E-E of fig. 9.
Fig. 11 is a cross-sectional view taken along line D-D of fig. 9.
Description of the drawings: the mechanical leg rest 1, the fixing support 101, the support arm 102, the driving motor 103, the worm gear assembly 104, the cross beam rod 105, the surface extension mechanism 2, the upper extension plate 201, the lower extension plate 202, the slide rail mechanism 203, the adjusting mechanism 204, the support mechanism 205, the sliding chute 206, the sliding bolt 207, the driving arm 208, the driven arm 209, the driving gear 210, the support frame 211, the rotating shaft 212, the driven gear 213 and the gear driving grooves 214, 215 and 216.
Detailed Description
In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of one or more embodiments. It may be evident, however, that such embodiment(s) may be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to facilitate describing one or more embodiments.
Fig. 1-11 show an overall structural schematic according to an embodiment of the present invention.
As shown in fig. 1-11, an embodiment of the present invention provides a mechanical leg holds in palm surface extension mechanism, including: the chair comprises a chair framework, a mechanical leg support 1 arranged on the chair framework and a surface extension mechanism 2 arranged between the mechanical leg support 1 and a leg cushion.
The surface extension mechanism 2 in the present embodiment includes: an upper extension plate 201, a lower extension plate 202, a slide rail mechanism 203, an adjustment mechanism 204, and a support mechanism 205.
Wherein, the slide rail mechanism 203 is used for connecting the upper extension board 201 and the lower extension board 202, so that the lower extension board 202 can slide on the upper extension board 201 along the slide rail mechanism 203, and the slide rail mechanism 203 includes: the sliding plate comprises two sliding grooves 206 formed in the lower extension plate 202 and sliding bolts 207 fixedly connected to the upper extension plate 201 and slidably connected in the sliding grooves 206, a group of the sliding grooves 206 are arranged along the sliding direction of the upper extension plate 201, and the upper extension plate 201 is slidably connected in the sliding grooves of the lower extension plate 208 through the sliding bolts 207.
Wherein, the supporting mechanism 205 is used for supporting the upper extending plate 201 and the lower extending plate 202 on the mechanical leg rest 1, the supporting mechanism 205 includes: and the driving arm 208 and the driven arm 209 are hinged between the mechanical leg support 1 and the adjusting mechanism 204, the driving arm 208 is used for driving the upper extending plate 201 and the lower extending plate 202 to be unfolded or retracted on the mechanical leg support 1, the driven arm 209 is used for driving the adjusting mechanism 204 to extend or retract the upper extending plate 201 and the lower extending plate 202, and the driving arm 208 is provided with a driving gear 210 for driving the adjusting mechanism 204.
Wherein, the adjusting mechanism 204 is used for driving the upper extending plate 201 and the lower extending plate 202 to slide mutually and to extend up and down, and the adjusting mechanism 204 includes: the two support frames 211 are positioned between the upper extension plate 201 and the lower extension plate 202, the rotating shaft 212 is fixedly connected in the support frames 211 along the horizontal direction, and the driven gear 213 is installed on the rotating shaft 212, the two support frames 211 are respectively installed on the corresponding driving arm 208 and driven arm 209, two rows of gear driving grooves 214 and 215 are arranged on the upper extension plate 201, one row of gear driving groove 216 is arranged on the lower extension plate 202, the gear driving groove 216 on the lower extension plate 202 corresponds to the position of the row of gear driving groove 214 on the upper extension plate 201, the driven gear 213 is respectively meshed in the two corresponding rows of gear driving grooves 214 and 216, the driving gear 210 is meshed in the row of gear driving groove 215 of the upper extension plate 201, the driving arm 208 drives the driven arm 209 to swing in the process that the support frames 211 swing, the driven arm 209 drives the upper extension plate 201 through the driving gear 210, the upper extension plate 201 drives the lower extension plate 202 to move in the opposite direction through the driven gear 213, so that the upper extension plate 201 is separated from the lower extension plate 202, wherein the driving gear 210 and the driven arm 209 are integrally formed with the driven arm 209, and the top of the driven gear 209 is half-tooth.
The group of driving arms 208 in this embodiment is composed of two driving arms 208, the bottoms of the two driving arms 208 are hinged at two sides of the mechanical leg support 1, and the tops of the two driving arms 208 are hinged on the supporting frame 211; the group of the driven arms 209 consists of two driven arms 209, the bottoms of the two driven arms 209 are hinged on two sides of the mechanical leg support 1, and the tops of the two driven arms 209 are hinged on the support frame 211.
In this embodiment, a sliding bolt is disposed between the two rows of gear driving grooves 214, 215 of the upper extension plate 201, and the upper extension plate 201 is slidably connected to the sliding groove of the supporting frame 211 through the sliding bolt.
The mechanical leg rest 1 in the present embodiment includes: the device comprises a fixed support 101, two groups of support arms 102 hinged to two sides of the fixed support 101, a driving motor 103 mounted on the fixed support 101, and a worm and gear assembly mounted on the output end of the driving motor 103, wherein the end of the worm and gear assembly 104 is fixedly connected with a beam rod 105, the tops of the support arms 102 and the driving arm 208 are both hinged to the beam rod 105, the driving motor 103 drives the worm and gear assembly 104 to extend and retract to indirectly drive the beam rod 105, the beam rod 105 drives the support arms 102 and the driving arm 208 to rise or retract, and the driving arm 208 drives an upper extension plate 201 and a lower extension plate 202 to extend or retract.
The working principle is as follows: the driving motor 103 on the mechanical leg support 1 drives the cross beam rod 105 to lift or fall through the worm gear assembly 104. Since the support arm 102 and the driving arm 208 are both hinged to the beam rod 105, the beam rod 105 drives the support arm 102 and the driving arm 208 to swing during the lifting or lowering process. Since the driving arm 208 and the driven arm 209 are both hinged on the supporting frame 211, the driving arm 208 drives the supporting frame 211 in the process of swinging, and the supporting frame 211 drives the driven arm 209 to swing. Since the driven arm 209 is provided with a driving gear 210 at the top, the driven arm 209 drives the driving gear 210 to rotate during the swinging process. The driving gear 210 is engaged in the gear driving groove 215 of the upper extension plate 201, and the driving gear 210 drives the gear driving groove 215 of the upper extension plate 201 to move back and forth during the rotation process. Because the gear driving groove 216 on the lower extension plate 202 is connected with the gear driving groove 214 on the upper row of the upper extension plate 201 through the driven gear 213, the upper extension plate 201 is driven by the driven gear 213 to move along the opposite direction in the movement process of the upper extension plate 201, and the unfolding and the recovery of the surface extension mechanism 2 can be realized in the reverse movement process, so that one driving motor 103 drives the mechanical leg support 1 and the surface extension mechanism 2.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A mechanical leg rest surface extension mechanism comprising: seat skeleton, install mechanical leg on the seat skeleton and hold in the palm, install the mechanical leg and hold in the palm the surface extension mechanism between and the leg cushion, its characterized in that, the surface extension mechanism includes: the device comprises an upper extension plate, a lower extension plate, a slide rail mechanism connected between the upper extension plate and the lower extension plate, an adjusting mechanism and a supporting mechanism;
wherein, slide rail mechanism is used for connecting last extension board and lower extension board, slide rail mechanism includes: the sliding bolt is fixedly connected to the upper extension plate and is connected in the sliding groove in a sliding manner, the sliding grooves are arranged along the sliding direction of the upper extension plate, and the upper extension plate is connected in the sliding groove of the lower extension plate in a sliding manner through the sliding bolt;
wherein, the supporting mechanism is used for supporting upper extension board and lower extension board on mechanical leg holds in the palm, the supporting mechanism includes: the driving arm and the driven arm are hinged between the mechanical leg support and the adjusting mechanism, the driving arm is used for driving the upper extending plate and the lower extending plate to be unfolded or retracted on the mechanical leg support, the driven arm is used for driving the adjusting mechanism to extend or retract the upper extending plate and the lower extending plate, and the driving arm is provided with a driving gear for driving the adjusting mechanism;
wherein, adjustment mechanism is used for driving upper extension board and lower extension board to slide each other, adjustment mechanism includes: the support frame that is located between extension board and the lower extension board, link firmly axis of rotation in the support frame, install the driven gear who rotates epaxial along the horizontal direction, the support frame is installed on the actuating arm, upward be provided with two rows of gear drive grooves on the extension board, be provided with one row of gear drive groove on the extension board down, gear drive groove on the extension board corresponds with one of them row of gear drive groove position on the last extension board down, driven gear meshes respectively in two rows of gear drive grooves that correspond, drive gear meshes at last extension board another row of gear drive inslot, the actuating arm drives the swing of support frame wobbling in-process drive driven arm, the driven arm passes through drive gear and drives the extension board, goes up the extension board and drives down extension board to opposite direction motion through driven gear.
2. The mechanical leg rest surface extension mechanism of claim 1, wherein the drive gear is integrally formed with the driven arm, and the drive gear at the top of the driven arm is a half-tooth gear.
3. The mechanical leg rest surface extension mechanism of claim 1, wherein one set of the driving arms consists of two driving arms, the bottom parts of the two driving arms are hinged on the mechanical leg rest, and the top parts of the two driving arms are hinged on the supporting frame; and the group of driven arms consists of two driven arms, the bottoms of the two driven arms are hinged on the mechanical leg support, and the tops of the two driven arms are hinged on the support frame.
4. The mechanical leg rest surface extension mechanism of claim 1, wherein the upper extension plate is slidably connected to the support frame, wherein a sliding bolt is disposed between the two rows of gear drive slots of the upper extension plate, and the upper extension plate is slidably connected to the sliding slot of the support frame via the sliding bolt.
5. The mechanical leg rest surface extension mechanism of claim 1, wherein the mechanical leg rest comprises: the driving arm drives the turbine worm component or the screw component to stretch and indirectly drive the crossbeam rod, the crossbeam rod drives the supporting arm and the driving arm to rise or retract, and the driving arm drives the upper extension plate and the lower extension plate to unfold or fold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221989231.6U CN218141173U (en) | 2022-07-25 | 2022-07-25 | Mechanical leg support surface extension mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221989231.6U CN218141173U (en) | 2022-07-25 | 2022-07-25 | Mechanical leg support surface extension mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218141173U true CN218141173U (en) | 2022-12-27 |
Family
ID=84596490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221989231.6U Active CN218141173U (en) | 2022-07-25 | 2022-07-25 | Mechanical leg support surface extension mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218141173U (en) |
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2022
- 2022-07-25 CN CN202221989231.6U patent/CN218141173U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 130000 No. 2222, Fengyue Road, automobile economic and Technological Development Zone, Changchun City, Jilin Province Patentee after: Changchun Fusheng Li'er Automotive Seat System Co.,Ltd. Country or region after: China Address before: 130000 No. 2222, Fengyue Road, automobile economic and Technological Development Zone, Changchun City, Jilin Province Patentee before: CHANGCHUN FAW RICH SHENG LEAR AUTOMOTIVE SYSTEMS Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |