CN214396509U - Four-way electric headrest mechanism - Google Patents
Four-way electric headrest mechanism Download PDFInfo
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- CN214396509U CN214396509U CN202022858755.9U CN202022858755U CN214396509U CN 214396509 U CN214396509 U CN 214396509U CN 202022858755 U CN202022858755 U CN 202022858755U CN 214396509 U CN214396509 U CN 214396509U
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- headrest
- longitudinal
- lead screw
- support frame
- lifting arm
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Abstract
The utility model provides a four-direction electric headrest mechanism, wherein the headrest moves up and down by rotating a first lead screw fixed on a longitudinal guide rail bracket to drive a height lifting arm to move upwards or downwards, so that a headrest rod drives a headrest to move upwards or downwards; the headrest moves back and forth by driving a front block thrust assembly provided with a headrest front shell to move back and forth relative to the support frame through linear translation of a shaft of a second screw fixedly arranged on the support frame, the front block thrust assembly is connected with the support frame in a gear-rack meshing mode, a headrest rear shell assembly is connected with a gear shaft in a gear assembly through a clamping jaw, and when the gear shaft moves back and forth along with the front block thrust assembly, the headrest rear shell assembly also moves back and forth along with the gear shaft. Be fit for different size height passengers, satisfy different passengers and adjust through the motor to headrest and a requirement of health laminating degree, need not passenger manually operation among the operation process, operate intellectuality.
Description
Technical Field
The utility model belongs to the technical field of the car headrest, especially, relate to a four-way electronic headrest mechanism.
Background
In order to improve the comfort of passengers, a headrest is usually added to the existing automobile seat backrest, the headrest and the automobile seat backrest in part of automobile types are integrated, for example, a motor bus adopts a high backrest automobile seat form, the headrest and the automobile seat backrest in a common automobile adopt a split type design, the design increases the practicability and the replaceability of the headrest, and the headrest can be suitable for passengers with different body heights.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the background technology, the utility model provides a four-way electric headrest mechanism.
The technical scheme of the utility model as follows:
a four-direction electric headrest mechanism comprises a headrest up-and-down moving device and a headrest back-and-forth moving device, wherein the headrest up-and-down moving device comprises a height lifting arm, the height lifting arm is fixedly connected with the lower end of a headrest rod, the height lifting arm is slidably mounted on a longitudinal guide rail support, a first motor is fixedly mounted on the longitudinal guide rail support, a first lead screw is mounted on an output shaft of the first motor, the first lead screw is in threaded connection with the height lifting arm, the first lead screw is perpendicular to the height lifting arm, the longitudinal guide rail support is fixedly mounted on a transverse support, and the transverse support is fixedly mounted on a backrest side plate of a seat; the first motor drives the first lead screw to rotate, and the first lead screw rotates to drive the height lifting arm to move upwards or downwards, so that the headrest rod is driven to move upwards or downwards;
the headrest front-and-back moving device comprises a support frame connected with the upper end of a headrest rod, a support frame rack structure is arranged in the support frame, a second motor is fixedly mounted on the support frame, a second lead screw is mounted on an output shaft of the second motor, the cylindrical end of the second lead screw is connected to a front block thrust assembly through a large gasket, the front block thrust assembly is fixed in a headrest front shell, a front block thrust assembly rack structure is arranged on the front block thrust assembly, the front block thrust assembly rack structure and the support frame rack structure are connected through meshing with a gear assembly, the gear assembly comprises a gear and a gear shaft, the gear shaft is clamped on a clamping jaw mounted in a headrest rear shell assembly to realize connection of the headrest rear shell assembly and the front block thrust assembly, and the support frame is arranged between the headrest front shell and the headrest rear shell assembly; the second motor moves to drive the second screw rod to do axial linear translation, the second screw rod drives the front block thrust assembly to do forward or backward movement in the axial linear translation mode, and therefore the front block thrust assembly drives the headrest front shell and the headrest rear shell assembly to do forward or backward linear movement.
As the utility model discloses preferred, the both ends of high lift arm are seted up and are used for alternate headrest pole mounting hole of headrest pole, headrest pole mounting hole sets up in the both sides of high lift arm, the both ends of headrest pole mounting hole lateral wall are provided with the torsional spring that is used for joint fixed headrest pole, the torsional spring is omega type, the torsional spring is used for restricting the removal of headrest pole; the height lifting arm is provided with a first threaded hole in threaded connection with a first lead screw from bottom to top in a through mode, and height lifting arm slideways are symmetrically arranged on the height lifting arms on two sides of the first threaded hole.
As the optimization of the utility model, the lower end of the longitudinal guide rail bracket is provided with a first motor mounting hole for mounting and fixing a first motor, the side wall of the lower end of the longitudinal guide rail bracket is provided with a guide rail bracket mounting hole connected with the transverse bracket, and the longitudinal guide rail bracket is fixed on the transverse bracket through the guide rail bracket mounting hole by a bolt; the two sides of the upper end of the longitudinal guide rail bracket are provided with guide rails, and the guide rails are slidably installed in the height lifting arm slide ways.
As a preferred aspect of the present invention, the supporting frame includes a frame body, a reinforcing plate is mounted in the middle of the frame body, a second motor mounting hole for mounting a second motor and a second lead screw mounting hole for passing a second lead screw are formed in the reinforcing plate, and a mounting hole for mounting a headrest rod is formed in the bottom end of the frame body; the reinforcing plate is characterized in that a left avoidance area and a right avoidance area are symmetrically arranged on two sides of the reinforcing plate respectively, an upper supporting frame rack structure and a lower supporting frame rack structure which are perpendicular to the reinforcing plate are symmetrically arranged on the left side surface of the left avoidance area and the right side surface of the right avoidance area, a left groove slide way is arranged on the right side surface of the left avoidance area, a left protruding guide rib is arranged on each of two sides of the left groove slide way, a right groove slide way is arranged on the left side surface of the right avoidance area, and a right protruding guide rib is arranged on each of two sides of the right groove slide way; two frame arms are formed above the frame body, and two support frame rack structures are symmetrically arranged on the two frame arms.
As the optimization of the utility model, the front block thrust assembly comprises a front push plate, a transverse buckle arranged between two frame arms, a left longitudinal buckle arranged in a left dodging area, and a right longitudinal buckle arranged in a right dodging area; the headrest front shell is characterized in that a through hole for mounting a large gasket is formed in the front push plate, two transverse clamping jaws clamped with the transverse buckles are mounted at the upper end of the front push plate, mounting ports connected with the headrest front shell are formed below the two transverse clamping jaws, and a left longitudinal clamping jaw clamped with the left longitudinal buckle and a right longitudinal clamping jaw clamped with the right longitudinal buckle are symmetrically arranged below the two mounting ports; the lower end of the transverse buckle is provided with a front thrust assembly rack structure opposite to the position of a support frame rack structure arranged on the frame arm; the left longitudinal clamping jaw is arranged between the two left protruding guide ribs, a left sliding rail which is slidably arranged in the left groove sliding way is arranged on the right side of the left longitudinal clamping jaw, and two front block thrust assembly rack structures which are opposite to the position of the support frame rack structure arranged in the left avoidance area are arranged on the left side of the left longitudinal clamping jaw; the right longitudinal buckle and the left longitudinal buckle are identical in structure and are symmetrically arranged.
The utility model has the advantages as follows:
(1) the utility model provides a four-way electronic headrest mechanism can carry out the operation that reciprocates of headrest, and reciprocating of headrest is through fixing the first motor start on longitudinal rail support, drives first lead screw and rotates to drive high lifting arm and do the motion that makes progress or descend the direction, the headrest pole drives the headrest and is stable motion that makes progress or descend the direction under the promotion of lifting arm.
(2) The utility model provides a four-way electronic headrest mechanism can carry out the back-and-forth movement of headrest, and the back-and-forth movement of headrest is through the second motor start-up of fixed mounting on the support frame, and the relative support frame that drives the second lead screw and is axial linear motion and drive headrest front shell and headrest backshell of installing on preceding piece thrust assembly carries out the back-and-forth movement.
(3) The utility model provides a four-way electronic headrest mechanism can turn into the removal that coefficient of friction is little through the slip between block thrust assembly and the support frame before the meshing of rack and pinion.
(4) The utility model provides a four-way electronic headrest mechanism is fit for the passenger of different size heights, can satisfy the requirement of different passengers to headrest and health laminating degree to adjust through the motor, do not need passenger manually operation in the operation process, the operation is intelligent.
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 view of the overall structure of the present invention.
Fig. 2 is another angle schematic of fig. 1.
Fig. 3 is an exploded view of fig. 1 with the headrest pole hidden.
Fig. 4 is an exploded view of C of fig. 3.
Fig. 5 is an exploded view of D in fig. 3.
Fig. 6 is an exploded view of a in fig. 3.
Fig. 7 is an exploded view of B in fig. 6.
Fig. 8 is a schematic structural view of the middle transverse buckle of the present invention.
Wherein the reference numerals are: the height lifting arm 11, the longitudinal guide rail bracket 12, the first motor 13, the first lead screw 14, the transverse bracket 15, the headrest rod mounting hole 111, the torsion spring 112, the first threaded hole 114, the height lifting arm slide way 115, the first motor mounting hole 121, the guide rail bracket mounting hole 122, the guide rail 123, the support frame 21, the second motor 22, the second lead screw 23, the front block thrust assembly 24, the gear assembly 25, the headrest front shell 31, the headrest rear shell assembly 41, the support frame rack structure 2131(2151), the thrust assembly rack structure 2421(2441), the jaw 411, the frame body 211, the reinforcing plate 212, the left escape area 213, the right escape area 214, the frame body arm 215, the second motor mounting hole 2121, the second lead screw mounting hole 2122, the left groove slide way 2131, the right groove slide way 2141, the right protrusion guide rib 2142, the front push plate 241, the transverse buckle 242, the left longitudinal buckle 244, the right longitudinal buckle 244, the through hole 2411, the transverse jaw 2412, the transverse buckle 2412, and the transverse buckle 242, Mounting port 2413, left longitudinal clamping jaw 2414, right longitudinal clamping jaw 2415 and left sliding rail 2431.
Detailed Description
In order to make the technical solution and advantages of the present invention better understood by those skilled in the art, the present invention will be described in detail with reference to the accompanying drawings, which are not intended to limit the scope of the present invention.
Referring to fig. 1 to 4: a four-direction electric headrest mechanism comprises a headrest up-down moving device and a headrest back-and-forth moving device, wherein the headrest up-down moving device comprises a height lifting arm 11, the height lifting arm 11 is fixedly connected with the lower end of a headrest rod, the height lifting arm 11 is slidably mounted on a longitudinal guide rail bracket 12, a first motor 13 is fixedly mounted on the longitudinal guide rail bracket 12, a first lead screw 14 is mounted on an output shaft of the first motor 13, the first lead screw 14 is in threaded connection with the height lifting arm 11, the first lead screw 14 is perpendicular to the height lifting arm 11, the longitudinal guide rail bracket 12 is fixedly mounted on a transverse bracket 15, and the transverse bracket 15 is fixedly mounted on a backrest side plate; the first motor 13 drives the first lead screw to rotate 14, and the first lead screw 14 rotates to drive the height lifting arm 11 to move upwards or downwards, so that the headrest rod is driven to move upwards or downwards;
the two ends of the height lifting arm 11 are provided with headrest rod mounting holes 111 for inserting headrest rods, the headrest rod mounting holes 111 are arranged on the two sides of the height lifting arm 11, two ends of the side wall of each headrest rod mounting hole 111 are provided with torsion springs 112 for clamping and fixing the headrest rods, the torsion springs 112 are in an omega shape, and the torsion springs 112 are used for limiting the movement of the headrest rods; a first threaded hole 114 in threaded connection with the first lead screw 14 is formed in the height lifting arm 11 in a through mode from bottom to top, and height lifting arm slideways 115 are symmetrically arranged on the height lifting arm 11 on two sides of the first threaded hole 114;
the lower end of the longitudinal guide rail bracket 12 is provided with a first motor mounting hole 121 for mounting and fixing a first motor 13, the side wall of the lower end of the longitudinal guide rail bracket 12 is provided with a guide rail bracket mounting hole 122 connected with the transverse bracket 15, and the longitudinal guide rail bracket 12 is fixed on the transverse bracket 15 through the guide rail bracket mounting hole 122 by a bolt; guide rails 123 are arranged on two sides of the upper end of the longitudinal guide rail bracket 12, and the guide rails 123 are slidably installed in the height lifting arm slide ways 115.
Referring to fig. 3 and fig. 5 and 6: the headrest front-and-back moving device comprises a support frame 21 connected with the upper end of a headrest rod, a support frame rack structure is arranged in the support frame 21, a second motor 22 is fixedly arranged on the support frame 21, a second lead screw 23 is arranged on an output shaft of the second motor 22, the cylindrical end of the second lead screw 23 is connected on a front block thrust assembly 24 through a large gasket, the front block thrust assembly 24 is fixed in a headrest front shell 31, a front block thrust assembly rack structure is arranged on the front block thrust assembly 24, the front block thrust assembly rack structure and the support frame rack structure are connected through meshing with a gear assembly 25, the gear assembly 25 comprises a gear shaft, the gear shaft is clamped on a clamping jaw 411 arranged in a headrest rear shell assembly 41 to realize the connection of the headrest rear shell assembly 41 and the front block thrust assembly 24, and the support frame 21 is arranged between the headrest front shell 31 and the headrest rear shell assembly 41; the second motor 22 moves to drive the second lead screw 23 to do axial linear translation, the second lead screw 23 drives the front block thrust assembly 24 to do forward or backward movement, and thus the front block thrust assembly 24 drives the headrest front shell 31 and the headrest rear shell assembly 41 to do forward or backward linear movement.
Referring to FIG. 6: the support frame 21 comprises a frame body 211, a reinforcing plate 212 is mounted in the middle of the frame body 211, a second motor mounting hole 2121 for mounting the second motor 22 and a second lead screw mounting hole 2122 for passing through the second lead screw 23 are formed in the reinforcing plate 212, and a mounting hole for mounting a headrest rod is formed in the bottom end of the frame body 211; a left avoidance area 213 and a right avoidance area 214 are symmetrically arranged on two sides of the reinforcing plate 212 respectively, an upper support rack structure 2131 and a lower support rack structure 2131 perpendicular to the reinforcing plate are symmetrically arranged on the left side surface of the left avoidance area 213 and the right side surface of the right avoidance area 214, a left groove slideway 2131 is arranged on the right side surface of the left avoidance area 213, a left protruding guide rib is arranged on each of two sides of the left groove slideway 2131, a right groove slideway 2141 is arranged on the left side surface of the right avoidance area 214, and a right protruding guide rib 2142 is arranged on each of two sides of the right groove slideway 2141; two frame arms 215 are formed above the frame body 211, and a support frame rack structure 2151 is symmetrically arranged between the two frame arms 215.
Referring to fig. 6 to 8: the front block thrust assembly 24 comprises a front push plate 241, a transverse buckle 242 arranged between the two frame arms 215, a left longitudinal buckle 243 arranged in the left avoidance area 213 and a right longitudinal buckle 244 arranged in the right avoidance area 214; a through hole 2411 for installing a large washer is formed in the front push plate 241, two transverse clamping jaws 2412 which are in clamping connection with the transverse buckle 242 are installed at the upper end of the front push plate 241, an installation opening 2413 which is connected with the headrest front shell 31 is formed below the two transverse clamping jaws 2412, and a left longitudinal clamping jaw 2414 which is in clamping connection with the left longitudinal buckle 243 and a right longitudinal clamping jaw 2415 which is in clamping connection with the right longitudinal buckle 244 are symmetrically arranged below the two installation openings 2413; the lower end of the transverse buckle 242 is provided with a front thrust assembly rack structure 2421 opposite to the position of the support frame rack structure 2151 arranged on the frame body arm 215; the left longitudinal buckle 243 is arranged between the two left convex guide ribs, the right side of the left longitudinal buckle 243 is provided with a left slide rail 2431 which is slidably arranged in the left groove slide rail 2131, and the left side of the left longitudinal buckle 243 is provided with two front block thrust assembly rack structures which are opposite to the position of the support frame rack structure 2131 arranged in the left avoidance area 213; the right longitudinal buckle 244 and the left longitudinal buckle 243 are identical in structure and are symmetrically arranged, the right longitudinal buckle 244 is arranged between the two right protruding guide ribs 2142, a left sliding rail which is slidably mounted in the right groove sliding way 2141 is arranged on the left side of the right longitudinal buckle 244, and two front block thrust assembly rack structures 2441 which are opposite to the support frame rack structure arranged in the right avoidance area 214 are arranged on the right side of the right longitudinal buckle 244.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection 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. The utility model provides a four-way electronic headrest mechanism which characterized in that: the headrest up-and-down moving device comprises a headrest up-and-down moving device and a headrest back-and-forth moving device, wherein the headrest up-and-down moving device comprises a height lifting arm, the height lifting arm is fixedly connected with the lower end of a headrest rod, the height lifting arm is slidably mounted on a longitudinal guide rail support, a first motor is fixedly mounted on the longitudinal guide rail support, a first lead screw is mounted on an output shaft of the first motor, the first lead screw is in threaded connection with the height lifting arm, the first lead screw is perpendicular to the height lifting arm, the longitudinal guide rail support is fixedly mounted on a transverse support, and the transverse support is fixedly mounted on a backrest side plate of a seat; the first motor drives the first lead screw to rotate, and the first lead screw rotates to drive the height lifting arm to move upwards or downwards, so that the headrest rod is driven to move upwards or downwards;
the headrest front-and-back moving device comprises a support frame connected with the upper end of a headrest rod, a support frame rack structure is arranged in the support frame, a second motor is fixedly mounted on the support frame, a second lead screw is mounted on an output shaft of the second motor, the cylindrical end of the second lead screw is connected to a front block thrust assembly through a large gasket, the front block thrust assembly is fixed in a headrest front shell, a front block thrust assembly rack structure is arranged on the front block thrust assembly, the front block thrust assembly rack structure and the support frame rack structure are connected through meshing with a gear assembly, the gear assembly comprises a gear shaft, the gear shaft is clamped on a clamping jaw mounted in a headrest rear shell assembly to realize connection of the headrest rear shell assembly and the front block thrust assembly, and the support frame is arranged between the headrest front shell and the headrest rear shell assembly; the second motor moves to drive the second screw rod to do axial linear translation, the second screw rod drives the front block thrust assembly to do forward or backward movement in the axial linear translation mode, and therefore the front block thrust assembly drives the headrest front shell and the headrest rear shell assembly to do forward or backward linear movement.
2. A four-way motorized headrest mechanism according to claim 1, further comprising: the two ends of the height lifting arm are provided with headrest rod mounting holes for inserting headrest rods, the headrest rod mounting holes are formed in the two sides of the height lifting arm, torsion springs for clamping and fixing the headrest rods are arranged at the two ends of the side walls of the headrest rod mounting holes, the torsion springs are in an omega shape, and the torsion springs are used for limiting the movement of the headrest rods; the height lifting arm is provided with a first threaded hole in threaded connection with a first lead screw from bottom to top in a through mode, and height lifting arm slideways are symmetrically arranged on the height lifting arms on two sides of the first threaded hole.
3. A four-way motorized headrest mechanism according to claim 2, further comprising: the lower end of the longitudinal guide rail bracket is provided with a first motor mounting hole for mounting and fixing a first motor, the side wall of the lower end of the longitudinal guide rail bracket is provided with a guide rail bracket mounting hole connected with the transverse bracket, and the longitudinal guide rail bracket is fixed on the transverse bracket through the guide rail bracket mounting hole by a bolt; the two sides of the upper end of the longitudinal guide rail bracket are provided with guide rails, and the guide rails are slidably installed in the height lifting arm slide ways.
4. A four-way motorized headrest mechanism according to claim 1, further comprising: the support frame comprises a frame body, a reinforcing plate is arranged in the middle of the frame body, a second motor mounting hole for mounting a second motor and a second lead screw mounting hole for penetrating a second lead screw are formed in the reinforcing plate, and a mounting hole for mounting a headrest rod is formed in the bottom end of the frame body; the reinforcing plate is characterized in that a left avoidance area and a right avoidance area are symmetrically arranged on two sides of the reinforcing plate respectively, an upper supporting frame rack structure and a lower supporting frame rack structure which are perpendicular to the reinforcing plate are symmetrically arranged on the left side surface of the left avoidance area and the right side surface of the right avoidance area, a left groove slide way is arranged on the right side surface of the left avoidance area, a left protruding guide rib is arranged on each of two sides of the left groove slide way, a right groove slide way is arranged on the left side surface of the right avoidance area, and a right protruding guide rib is arranged on each of two sides of the right groove slide way; two frame arms are formed above the frame body, and two support frame rack structures are symmetrically arranged on the two frame arms.
5. The four-way motorized headrest mechanism of claim 4, wherein: the front block thrust assembly comprises a front push plate, a transverse buckle arranged between the two frame arms, a left longitudinal buckle arranged in a left avoidance area, and a right longitudinal buckle arranged in a right avoidance area; the front push plate is provided with a through hole in threaded connection with the second lead screw, the upper end of the front push plate is provided with two transverse clamping jaws in clamping connection with a transverse buckle, mounting ports connected with a headrest front shell are formed below the two transverse clamping jaws, and a left longitudinal clamping jaw in clamping connection with the left longitudinal buckle and a right longitudinal clamping jaw in clamping connection with the right longitudinal buckle are symmetrically arranged below the two mounting ports; the lower end of the transverse buckle is provided with a front thrust assembly rack structure opposite to the position of a support frame rack structure arranged on the frame arm; the left longitudinal clamping jaw is arranged between the two left protruding guide ribs, a left sliding rail which is slidably arranged in the left groove sliding way is arranged on the right side of the left longitudinal clamping jaw, and two front block thrust assembly rack structures which are opposite to the position of the support frame rack structure arranged in the left avoidance area are arranged on the left side of the left longitudinal clamping jaw; the right longitudinal buckle and the left longitudinal buckle are identical in structure and are symmetrically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022858755.9U CN214396509U (en) | 2020-12-02 | 2020-12-02 | Four-way electric headrest mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022858755.9U CN214396509U (en) | 2020-12-02 | 2020-12-02 | Four-way electric headrest mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214396509U true CN214396509U (en) | 2021-10-15 |
Family
ID=78035920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022858755.9U Active CN214396509U (en) | 2020-12-02 | 2020-12-02 | Four-way electric headrest mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214396509U (en) |
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2020
- 2020-12-02 CN CN202022858755.9U patent/CN214396509U/en active Active
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