CN219214802U

CN219214802U - Electric headrest for automobile

Info

Publication number: CN219214802U
Application number: CN202223185920.4U
Authority: CN
Inventors: 张志申; 魏爱思; 张建; 张姝祺
Original assignee: Sci Seating (ningbo) Co ltd
Current assignee: Sci Seating (ningbo) Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-06-20
Anticipated expiration: 2032-11-29

Abstract

The utility model provides an automobile electric headrest, and belongs to the technical field of automobiles. The motor mounting structure solves the problem of guaranteeing the mounting stability of the motor on the premise of avoiding influencing the structural strength. The automobile electric headrest comprises a mounting block, a front shell, a front motor, a rear motor, a compressing piece I, at least one connecting column I, a mounting seat and a compressing piece I, wherein the front shell is in sliding connection with the mounting block, the front motor and the rear motor are in sliding connection, the compressing piece I is positioned in the front shell, the outer side wall of the front motor and the outer side wall of the rear motor are provided with at least one connecting column I, the inner wall of the front shell is provided with the mounting seat, the connecting column I is propped against the outer wall of the mounting seat, and the compressing piece I is in threaded connection with the mounting seat and compresses and fixes the connecting column I. This electric headrest of car can guarantee the installation stability of motor under the prerequisite that avoids influencing structural strength.

Description

Electric headrest for automobile

Technical Field

The utility model belongs to the technical field of automobiles, and relates to an automobile electric headrest.

Background

The headrest is an indispensable part on the automobile seat, and is mainly used for supporting and protecting passengers (drivers), along with the continuous development of technology, the application of the electric headrest is also more popular, and the electric headrest in the prior art generally comprises a shell which is formed by splicing and fixing a front shell and a rear shell, two vertical rods, a mounting block which is connected to the vertical rods in a sliding way and a connecting rod which is fixed in the front shell and is connected with the mounting block in a sliding way, and in addition, the electric headrest also comprises two groups of motors and two screw rods, wherein the two motors are all installed in the shell in a screwing way, one motor is connected with top beams at the upper ends of the two vertical rods through threads, and the other motor is connected with the front shell and the mounting block through reversing pieces such as the other screw rod, a thread seat, a sliding block and the like in a matching way, so that the electric control driving of the headrest up-down and front-back-and-forth movement is realized.

But in practice, the fixing mode of the motor is unreasonable, the motor and the front shell are required to be perforated in a screwing fixing mode, the motor is screwed and fixed by the fastener and then the front shell is internally provided with a plurality of holes, the structural strength of the front shell and the motor shell can be affected to a certain extent, and the motor is only provided with one hole and the mounting stability of the motor cannot be guaranteed by the screw connection.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides an automobile electric headrest, which aims to solve the technical problems that: how to ensure the installation stability of the motor on the premise of avoiding influencing the structural strength.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides an automobile electric headrest, includes the installation piece, with installation piece sliding connection's preceding shell and front and back motor, its characterized in that, motor is located preceding shell around, automobile electric headrest still includes compresses tightly one, has at least one spliced pole one on the motor lateral wall around, has the mount pad on the preceding shell inner wall, spliced pole one supports and leans on the mount pad outer wall, compresses tightly one spiro union at the mount pad and compresses tightly spliced pole one fixedly.

This automotive electric headrest includes preceding shell and installation piece, both sliding connection are in the same place, install the front and back motor that is used for driving the horizontal back-and-forth motion of preceding shell in the preceding shell, this automotive electric headrest still has an at least spliced pole one on the lateral wall of front and back motor, have the mount pad on the inner wall of preceding shell, mount pad concrete integrated into one piece is on preceding shell inner wall, so as to guarantee that the connection between the preceding shell is stable, spliced pole one supports and leans on the outer wall of mount pad, compress tightly the back with spliced pole one by compressing tightly one, compress tightly a spiro union and fix on the mount pad through the fastener, from this make spliced pole one compress tightly the location, and then make front and back motor location in preceding shell, with this is guaranteeing under the prerequisite of front and back motor and preceding shell structural strength, ensure the connection stability of front and back motor, in addition, the output shaft through compressing tightly fixed mode make the front and back motor can be set up with the mode of horizontal orientation, thereby can be through the front and back slip in the front in the horizontal direction of preceding shell direct drive, need not to be equipped with too many reversing parts in preceding shell, guarantee under the prerequisite that can guarantee that the inside of the preceding shell is guaranteed under the normal maintenance of guaranteeing that the normal complex production cost of the maintenance is reduced.

In the above-mentioned automotive electric headrest, the mount pad has two and is located front and back motor both sides respectively, just front and back motor both sides all are equipped with spliced pole one, every all offer on the mount pad that the inner wall is cambered surface form mounting groove one, each spliced pole one-to-one inlays and establishes in each mounting groove one.

The mounting seat is specifically provided with two mounting seats and two sides respectively positioned on the front motor and the rear motor, the two sides of the front motor and the rear motor are respectively provided with a first connecting column, each mounting seat is provided with a first mounting groove with an inner wall in a cambered surface shape, when the mounting seat is mounted, the first connecting columns are embedded in the first mounting grooves, and the first connecting columns are limited through the inner walls of the first mounting grooves, so that the front motor and the rear motor are prevented from being displaced in the mounting process.

In the above-mentioned automobile electric headrest, automobile electric headrest still includes the upper and lower motor that is located the installation piece, has at least one spliced pole two on the upper and lower motor lateral wall, just spliced pole two support and lean on the installation piece outer wall, compress tightly second on spliced pole and fix with installation piece spiro union through the fastener.

Install on the installation piece and be used for driving the headrest and carry out up-and-down motion motor from top to bottom, have a spliced pole two on the lateral wall of motor from top to bottom at least, spliced pole two can be integrated into one piece with motor from top to bottom, compress tightly the piece two and be in the same place with installation piece spiro union is specifically, upper and lower motor is supported through spliced pole two with the outer wall of installation piece, compress tightly spliced pole two by compressing tightly the piece, carry out the spiro union with compressing tightly piece two and installation piece through the fastener simultaneously, from this make spliced pole two compressed tightly the location, and then make motor location from top to bottom on the installation piece.

In the above-mentioned automobile electric headrest, the upper and lower motor is located the installation piece bottom and both sides all are equipped with spliced pole two, set up two positions and each spliced pole two corresponding and be cambered surface form's mounting groove two on the diapire of installation piece, spliced pole two inlay and establish in mounting groove two and fix.

The upper motor and the lower motor are specifically located at the bottom of the installation block, so that the installation of the upper motor and the lower motor is prevented from occupying the sliding space of the installation block, in addition, the two sides of the upper motor and the lower motor are respectively provided with a second connecting column, and simultaneously, a second installation groove which is in a cambered surface shape is formed in the bottom wall of the installation block.

In the above-mentioned electric headrest for automobile, each of the second pressing members and each of the first pressing members are in a long strip shape, each of the second pressing members has a second pressing groove with an inner wall in a cambered surface shape, each of the first pressing members has a first pressing groove with an inner wall in a cambered surface shape, the first pressing member presses the first connecting column through the first pressing groove, and the second pressing member presses the second connecting column through the second pressing groove.

The second pressing part and the first pressing part are in a strip shape, the middle of each second pressing part is sunken to form a second pressing groove, the middle of each first pressing part is sunken to form a first pressing groove, when the first pressing part is assembled, the first pressing part is limited by the first pressing groove, the second pressing part is limited by the second pressing groove to the outer wall of the second connecting column, and slipping between the second pressing part and the second connecting column and between the first pressing part and the first connecting column is avoided in the installation process.

In the above-mentioned automobile electric headrest, the loudspeakers are arranged on two sides of the two mounting seats in the front shell, the loudspeakers are fixedly connected to the inner wall of the front shell in a screwed manner, and two sound amplifying ports are arranged on the front shell, wherein the two sound amplifying ports correspond to the loudspeakers one by one.

Speakers are arranged on two sides of the two mounting seats in the front shell, and simultaneously sound amplifying openings are formed in the inner wall of the front shell corresponding to the speakers, so that the space in the front shell is reasonably utilized, and the compactness of the space in the shell is ensured, and meanwhile, the function of the headrest is ensured to be more diversified.

Compared with the prior art, the electric headrest of the automobile has the following advantages:

this electric headrest of car adopts compressing tightly piece one and injection moulding integrated into one piece to press from both sides tightly fixedly with the spliced pole on the motor around in the mount pad cooperation in the preceding shell, guarantees the installation stability of motor and motor around with under the motor structural strength around motor about the influence's the prerequisite, reduces preceding shell simultaneously and moves the required switching-over part of inside assembly in the fore-and-aft direction, reduces manufacturing cost when guaranteeing follow-up dismouting easy maintenance.

Drawings

Fig. 1 is a schematic structural view of the electric headrest of the present automobile.

Fig. 2 is a schematic structural view of the automotive electric headrest after being coated with a foaming material and a facing.

Fig. 3 is a schematic view of the structure of the present automotive electric headrest when the rear case is removed.

Fig. 4 is a schematic structural view of the front case, the front and rear motor, and the mount.

Fig. 5 is a schematic view of the structure of the vertical bar, the mounting block, the upper and lower motors and the top beam.

Fig. 6 is a schematic view of the structure of the vertical bar, the mounting block, the upper and lower motors and the top beam from another view.

Fig. 7 is a schematic structural view of the front case.

Fig. 8 is a schematic structural view of the rear case.

Fig. 9 is a schematic structural view of the mounting block.

Fig. 10 is a schematic view of another view of the mounting block.

Fig. 11 is a schematic diagram of the structure of the upper and lower motors.

Fig. 12 is a schematic diagram of the structure of the front and rear motors.

Fig. 13 is a schematic structural view of the second pressing member.

Fig. 14 is a schematic structural view of the first pressing member.

In the figure, 1, a mounting block; 11. a second mounting groove; 12. a relief hole; 13. a clamping hole; 14. front and rear nuts; 15. a plug hole;

2. a front shell; 21. a first mounting seat; 211. a first mounting groove; 22. a speaker; 23. a sound amplifying opening; 24. a bayonet;

3. an upper motor and a lower motor; 31. a second connecting column; 32. an upper screw rod and a lower screw rod;

4. front and rear motors; 41. a first connecting column; 42. front and rear screw rods;

5. a second pressing piece; 51. a second compaction groove;

6. a first pressing piece; 61. a first pressing groove;

7. a rear case; 71. a buckle; 72. waist-shaped holes;

8. a connecting rod;

9. a vertical rod; 91. a top beam; 911. a fixing hole; 9111. and an upper nut and a lower nut.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-6 and 10, the electric headrest for the automobile comprises two vertical rods 9 which are vertically arranged at intervals, a connecting rod 8 which is long and continuously bent, a cuboid mounting block 1, a long top beam 91, a front shell 2 and a rear shell 7, wherein two ends of the mounting block 1 are respectively provided with a plug hole 15 penetrating through the upper side surface and the lower side surface of the mounting block, the vertical rods 9 are correspondingly plugged in the plug holes 15, the mounting block 1 is provided with two slide holes penetrating through the front side surface and the rear side surface of the mounting block, and two ends of the connecting rod 8 are correspondingly plugged in the slide holes one by one; as shown in fig. 5-6, two ends of the top beam 91 are provided with sockets, the top beam 91 is spliced with the upper ends of the two vertical rods 9 through two sockets and is locked by adopting a rolling spring pin, a fixing hole 911 penetrating through the side surfaces of the upper and lower sides of the top beam 91 is provided in the middle of the top beam 91, an upper and lower nut 9111 is fixedly clamped in the fixing hole 911, an upper and lower motor 3 is arranged on the mounting block 1, a yielding hole 12 penetrating through the side surfaces of the upper and lower sides of the mounting block 1 is provided in the middle of the mounting block 1, the upper and lower motors 3 are specifically positioned below the mounting block 1, two sides of the upper and lower motor 3 are respectively integrally provided with a connecting post second 31, the top of the upper and lower motors 3 are abutted against the bottom surface of the mounting block 1 to enable the output ends of the upper and lower motors 3 to correspond to the yielding hole 12, mounting grooves second 11 are provided on the two sides of the upper and lower motors 3, the two connecting columns II 31 are respectively and correspondingly embedded in the two mounting grooves II 11, and in combination with FIG. 13, the bottom of the mounting block 1 is provided with two strip-shaped compression pieces II 5 made of stainless steel materials, the middle part of each compression piece II 5 is sunken to form a compression groove II 51, the compression pieces II 5 are compressed on the connecting columns II 31 through the compression grooves II 51 and are locked and fixed at the bottom of the mounting block 1 through the first two screws, so that the upper motor 3 and the lower motor 3 are locked and fixed at the bottom of the mounting block 1, in addition, in combination with FIG. 11, the output ends of the upper motor 3 and the lower motor 3 are fixedly provided with an upper lead screw 32, and the upper ends of the upper lead screw 32 penetrate through the yielding holes 12 on the mounting block 1 and are in threaded connection with the upper nuts 9111 and the lower nuts 9111 fixed in the fixing holes 911 of the top beams 91.

In combination with fig. 7-8, this automobile electric headrest still includes rear shell 7, bayonet socket 24 is offered to the circumference edge department of preceding shell 2, a plurality of buckles 71 of integrated into one piece of injection moulding are offered to the circumference edge department of rear shell 7, preceding shell 2 and rear shell 7 go into bayonet socket 24 through buckle 71 card and carry out the lock fixed, two mount pads 21 have been set firmly along the horizontal direction interval on the inner wall of preceding shell 2, every mount pad 21 specifically sets firmly in preceding shell 2 through injection moulding's mode, set up on the lateral wall of every mount pad 21 and be cambered surface form mounting groove two 11 on the inner wall, set up on the installation piece 1 and run through the joint hole 13 of self front and back both sides lateral wall, joint is fixed with front and back nut 14 in the joint hole 13, front and back motor 4 installs in preceding shell 2 and lie in between two mount pads 21, its both sides integrated into one spliced pole one 41 respectively, carry out with fixed in the mounting groove one 211 of seting up on two mount pads 21 respectively through two spliced pole one 41, combine fig. 14, be equipped with on every mount pad 21 and be rectangular form rectangular and be long and be the clamp piece and be formed by screw piece 1 front and back nut 4 and back screw piece 6, the front end is fixed with screw piece 4 is fixed at the screw piece 1, the front end is fixed to be equipped with the screw piece 4 in front end 4 is pressed down on the screw piece 1, and is fixed with the screw piece 4 is pressed down in front end of back piece 6, and is fixed by screw piece 4.

As shown in fig. 8, two kidney-shaped holes 72 are formed in the bottom of the rear housing 7, the vertical rods 9 are correspondingly arranged in the kidney-shaped holes 72 in a penetrating manner, the speakers 22 are arranged on two sides of the two mounting seats 21 in the front housing 2, the speakers 22 are fixedly connected to the inner wall of the front housing 2 by screw threads, two sound amplifying openings 23 are formed in the front housing 2, and the positions of the sound amplifying openings 23 are correspondingly arranged with the positions of the speakers 22 in a one-to-one manner.

In addition, the front and rear nuts 14 and the upper and lower nuts 9111 may be directly injection molded in the mounting block 1, and the front shell 2 is wrapped with a foam material and then covered with a flexible surface sleeve, and a wire for supplying power to the upper and lower motors 3 and the front and rear motors 4 is threaded through one of the vertical rods 9, and a wire harness for transmitting signals to the speaker 22 is threaded through the other vertical rod 9.

Working principle of electric headrest: the upper motor 3 and the lower motor 4 are controlled to work together or separately through an external control button; the upper and lower motor 3 drives the upper and lower screw rods 32 to rotate clockwise or anticlockwise, and the mounting block 1 is lifted upwards or pushed downwards by being matched with the upper and lower nuts 9111, so that the connecting rod 8 and the shell ascend or descend together, and the upper and lower position adjustment is completed; the front and rear motor 4 drives the front and rear screw rod 42 to rotate clockwise or anticlockwise, and the front and rear nuts 14 are matched to detail or push the mounting block 1 backward, so that the housing connecting rod 8 and the housing are displaced forward and backward relative to the vertical rod 9, and the front and rear position adjustment work is completed.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the mounting block 1, the mounting groove two 11, the relief hole 12, the fastening hole 13, the front and rear nuts 14, the insertion hole 15, the front case 2, the mounting seat one 21, the mounting groove one 211, the speaker 22, the sound amplifying opening 23, the bayonet 24, the upper and lower motor 3, the connection post two 31, the upper and lower screw rod 32, the front and rear motor 4, the connection post one 41, the front and rear screw rod 42, the pressing piece two 5, the pressing groove two 51, the pressing piece one 6, the pressing groove one 61, the rear case 7, the buckle 71, the kidney-shaped hole 72, the connection rod 8, the vertical rod 9, the top beam 91, the fixing hole 911, the upper and lower nuts 9111 are used more herein, other terms are not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides an automobile electric headrest, includes installation piece (1), with installation piece (1) sliding connection's preceding shell (2) and front and back motor (4), its characterized in that, motor (4) are located preceding shell (2) around, and automobile electric headrest still includes compresses tightly one (6), has at least one spliced pole one (41) on motor (4) lateral wall around, has mount pad (21) on preceding shell (2) inner wall, spliced pole one (41) support and lean on mount pad (21) outer wall, compress tightly one (6) spiro union at mount pad (21) and compress tightly spliced pole one (41) fixedly.

2. The electric headrest for the automobile according to claim 1, wherein the mounting seats (21) are provided with two mounting grooves (211) with cambered inner walls, the two mounting grooves are respectively arranged on two sides of the front motor (4) and two sides of the rear motor (4), the first connecting columns (41) are respectively arranged on two sides of the front motor (4), and the first connecting columns (41) are respectively embedded in the first mounting grooves (211) in a one-to-one correspondence mode.

3. The automobile electric headrest according to claim 1 or 2, further comprising an upper motor (3) and a lower motor (3) which are positioned on the mounting block (1), wherein the outer side wall of the upper motor (3) and the outer side wall of the lower motor (3) are provided with at least one second connecting column (31), the second connecting column (31) is abutted against the outer wall of the mounting block (1), and the second pressing piece (5) is pressed on the second connecting column (31) and is in threaded connection with the mounting block (1) through a fastener.

4. The electric headrest for the automobile according to claim 3, wherein the upper motor (3) and the lower motor (3) are located at the bottom of the installation block (1) and are provided with the second connecting column (31) on two sides, the bottom wall of the installation block (1) is provided with the second installing groove (11) which is corresponding to each second connecting column (31) in two positions and is in a cambered surface shape, and the second connecting column (31) is embedded in the second installing groove (11) and fixed.

5. The electric headrest for the automobile according to claim 4, wherein each pressing member II (5) and each pressing member I (6) are in a strip shape, a pressing groove II (51) with an arc-shaped inner wall is formed in the middle of each pressing member II (5), a pressing groove I (61) with an arc-shaped inner wall is formed in the middle of each pressing member I (6), the pressing member I (6) presses the connecting column I (41) through the pressing groove I (61), and the pressing member II (5) presses the connecting column II (31) through the pressing groove II (51).

6. The automobile electric headrest according to claim 2, wherein speakers (22) are arranged on two sides of the two mounting seats (21) in the front shell (2), the speakers (22) are fixedly connected to the inner wall of the front shell (2) in a threaded manner, and two sound amplifying openings (23) are formed in the front shell (2) and correspond to the speakers (22) one by one.