CN211684799U - Seat headrest telescopic mechanism, seat and vehicle - Google Patents
Seat headrest telescopic mechanism, seat and vehicle Download PDFInfo
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- CN211684799U CN211684799U CN201922212955.4U CN201922212955U CN211684799U CN 211684799 U CN211684799 U CN 211684799U CN 201922212955 U CN201922212955 U CN 201922212955U CN 211684799 U CN211684799 U CN 211684799U
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- headrest
- seat
- lock catch
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Abstract
The utility model relates to a seat design field, concretely relates to seat headrest telescopic machanism, seat and a vehicle. The seat headrest telescopic component comprises a headrest front body, a headrest front shell, a headrest rear shell, a headrest chute, a toothed lock catch, an elastic reset piece, a button and a toothed guide rail; the bottom of the headrest rear shell is connected with an external seat mechanism; the headrest front shell comprises an upper cover and a communicating pipe; the communicating pipe is inserted into the headrest rear shell, and the upper cover is arranged above the headrest rear shell and connected with the communicating pipe; the upper cover and the upper end of the communicating pipe are correspondingly provided with a first through hole and a second through hole for the lower end of the button to pass through; through the reasonable headrest precursor, the front headrest shell, the rear headrest shell, the headrest chute, the toothed lock catch, the elastic reset piece, the button and the toothed guide rail, the front headrest precursor can be adjusted forwards and backwards, different requirements of people are met, and the applicability is high.
Description
Technical Field
The utility model relates to a seat design field, concretely relates to seat headrest telescopic machanism, seat and a vehicle.
Background
The existing seat headrest part is always in a fixed state, can not be adjusted forwards and backwards, and has low applicability for different users.
Therefore, it is necessary to provide a technical means to solve the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a seat headrest telescoping mechanism, the seat headrest telescoping component comprises a headrest front body, a headrest front shell, a headrest rear shell, a headrest chute, a toothed lock catch, an elastic reset piece, a button and a toothed guide rail; the bottom of the headrest rear shell is connected with an external seat mechanism; the headrest front shell comprises an upper cover and a communicating pipe; the communicating pipe is inserted into the headrest rear shell, and the upper cover is arranged above the headrest rear shell and connected with the communicating pipe; the upper cover and the upper end of the communicating pipe are correspondingly provided with a first through hole and a second through hole for the lower end of the button to pass through; a limiting through groove is formed in the upper end of the headrest rear shell corresponding to the first through hole and the second through hole; the headrest front body is arranged at the front end of the headrest front shell and is connected with the headrest front shell; the headrest chute, the toothed lock catch, the elastic reset piece and the toothed guide rail are arranged inside the communicating pipe;
wherein one end of the headrest chute, which is close to the headrest front body, is connected with the headrest front body; one end of the guide rail with teeth is slidably arranged in the headrest sliding groove, and the other end of the guide rail with teeth is connected with the headrest rear shell; the bottom of the guide rail with teeth is provided with a first gear belt; a first through groove is formed in the toothed lock catch; two side walls of the headrest sliding groove are respectively provided with a lock catch block, two side walls of the toothed lock catch are correspondingly provided with lock catch holes corresponding to the lock catch blocks, the vertical length of each lock catch hole is greater than that of each lock catch block, the toothed lock catch is connected with the headrest sliding groove through the lock catch holes and the lock catch blocks, and the headrest sliding groove and the toothed guide rail pass through the first through groove; a second gear belt meshed with the first gear belt is arranged on the bottom wall of the first through groove; a second through groove for the second gear belt to pass through is formed in the bottom wall of the headrest sliding groove; the elastic reset piece is arranged in the first through groove, and two ends of the elastic reset piece are respectively abutted against the top end of the first through groove and the upper part of the headrest sliding groove;
the button is arranged above the upper cover, and the lower end of the button sequentially passes through the first through hole, the limiting through groove and the second through hole and is abutted against the upper part of the toothed lock catch.
The utility model relates to a seat headrest telescoping mechanism, the operating principle is that, when the front and back position of the headrest (namely the front headrest body in the utility model) needs to be adjusted, the button is pressed down, the bottom of the button is pressed downwards through the first through hole, the limiting through groove and the second through hole, and the button is pressed towards the toothed lock catch to move downwards, the elastic reset piece is compressed, at the same time, the second gear belt on the bottom wall of the first through groove is separated from the second through groove, so that the second gear belt is separated from the first gear belt at the bottom of the toothed guide rail, the fixed state is released, and the front headrest body is pushed to move forwards, the front headrest body drives the headrest chute connected with the front headrest body, the front headrest shell moves, the front headrest chute drives the toothed lock catch to move forwards through the lock catch block and the lock catch hole, when the front headrest is moved to a proper position, the button is released, the elastic reset, at this time, the second gear belt passes through the second through groove again and is meshed with the first gear belt, the adjustment state is finished, and the headrest front body is fixed again. Meanwhile, it should be noted that, because the headrest rear shell is fixed in the whole process, the button can only move on the limiting through hole for limited displacement, thereby ensuring the stability of the structure and preventing the separation of the headrest front body and the headrest rear shell due to improper use of an operator; in addition, because the vertical diameter of hasp hole is greater than the vertical diameter of hasp piece, guaranteed to take the upward removal that can move down and elasticity reset piece when being pressed down on the vertical direction of tooth hasp and reset by the button, and keep synchronous movement with the headrest spout on the horizontal direction.
More specifically, the elastic reset piece is a reset spring.
More specifically, four sides of the upper cover are provided with first screw holes, and one side of the headrest front body, which is close to the headrest front shell, is provided with second screw holes corresponding to the first screw holes; the upper cover and the headrest front body are connected together through the matching of a first screw, the first screw hole and the second screw hole.
More specifically, a third screw hole and a fourth screw hole are correspondingly formed in the side, close to each other, of the toothed guide rail and the headrest rear shell respectively; the toothed guide rail and the headrest rear shell are connected together through a second screw and the matching of the third screw hole and the fourth screw hole.
The utility model also relates to a seat, which comprises a cushion, a backrest, a support rod and the seat headrest telescoping mechanism; the cushion is arranged at the bottom of the backrest and is connected with the backrest; one end of the supporting rod is connected with the top end of the backrest, and the other end of the supporting rod is connected with the bottom of the headrest rear shell in the seat headrest telescopic mechanism.
The utility model discloses still relate to a vehicle, the vehicle is including foretell seat.
The utility model relates to a seat headrest telescopic machanism through reasonable preceding shell, headrest backshell, headrest spout, the tooth hasp of being provided with of headrest, elasticity reset piece, button and take the tooth guide rail for the adjustment around the headrest precursor can, has satisfied crowd's different demands, and the suitability is strong.
The utility model relates to a seat, owing to adopted foretell seat headrest telescopic machanism, the suitability is strong.
The utility model relates to a vehicle, owing to adopted foretell seat, the suitability is strong.
Drawings
Fig. 1 is a schematic view showing a seat headrest telescoping mechanism according to the present invention;
fig. 2 is an overall schematic view of a front headrest body in a seat headrest retracting mechanism according to the present invention when retracted;
fig. 3 is an overall schematic view illustrating a front headrest body in a seat headrest retracting mechanism according to the present invention when extended;
fig. 4 is a cross-sectional view of a seat headrest in a fixed state according to the present invention;
fig. 5 is a sectional view of the seat headrest telescoping mechanism according to the present invention in an adjustment state;
fig. 6 is an exploded view of a headrest rear case of a seat headrest telescoping mechanism according to the present invention, which is connected to a toothed rail;
FIG. 7 is a schematic view of the headrest housing of the seat headrest telescoping mechanism of the present invention, showing the connection of the toothed rail to the headrest housing (the bottom of the headrest housing is in a cross-sectional view)
Fig. 8 is an overall schematic view of a seat according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
The utility model discloses a better embodiment, this embodiment is realized like this, a seat headrest telescoping mechanism, the seat headrest telescoping assembly includes headrest forebody 1, headrest front shell 2, headrest back shell 3, headrest spout 4, toothed lock catch 5, elastic reset piece 6, button 7 and toothed guide rail 8; the bottom of the headrest rear shell 3 is connected with an external seat mechanism; the headrest front shell 2 comprises an upper cover and a communicating pipe 22; the communication pipe 22 is inserted into the headrest rear shell, and the upper cover is arranged above the headrest rear shell 3 and connected with the communication pipe 22; the upper cover and the upper end of the communicating pipe 22 are correspondingly provided with a first through hole 211 and a second through hole for the lower end of the button 7 to pass through; a limiting through groove 31 is formed in the upper end of the headrest rear shell 3 corresponding to the first through hole 211 and the second through hole; the headrest front body 1 is arranged at the front end of the headrest front shell 2 and is connected with the headrest front shell 2; the headrest chute 4, the toothed latch 5, the elastic reset piece 6 and the toothed guide rail 8 are arranged inside the communicating pipe 22;
wherein, one end of the headrest chute 4 close to the headrest front body 1 is connected with the headrest front body 1; one end of the guide rail 8 with teeth is slidably arranged in the headrest sliding groove 4, and the other end of the guide rail is connected with the headrest rear shell 3; a first gear belt 81 is arranged at the bottom of the toothed guide rail 8; a first through groove 51 is arranged in the toothed lock catch 5; two side walls of the headrest sliding groove 4 are respectively provided with a lock catch block 41, two side walls of the toothed lock catch 5 are correspondingly provided with lock catch holes 52 corresponding to the lock catch blocks 41, the vertical length of each lock catch hole 52 is greater than that of each lock catch block 41, the toothed lock catch 5 is connected with the headrest sliding groove 4 through the lock catch holes 52 and the lock catch blocks, and the headrest sliding groove 4 and the toothed guide rail 8 pass through the first through groove 51; a second gear belt 511 meshed with the first gear belt 81 is arranged on the bottom wall of the first through groove 51; a second through groove 42 through which the second gear belt 511 passes is formed in the bottom wall of the headrest sliding groove 4; the elastic reset piece is arranged in the first through groove, and two ends of the elastic reset piece are respectively abutted against the top end of the first through groove and the upper part of the headrest sliding groove 4;
the button 7 is arranged above the upper cover, and the lower end of the button 7 sequentially passes through the first through hole 211, the limiting through groove 31 and the second through hole and is abutted against the upper part of the toothed lock catch 5.
The utility model relates to a seat headrest telescoping mechanism's theory of operation is, when needing to carry out the front and back position adjustment to the headrest (in the utility model, namely the headrest precursor 1), press and hold button 7, and then button 7 bottom through first through-hole 211, spacing logical groove 31 and second through-hole, and then press and take tooth hasp 5 to move down, reset spring is compressed, at this moment, second gear belt 511 on the first through-groove 51 diapire breaks away from second through-groove 42, make second gear belt 511 and take the first gear belt 81 of tooth guide rail 8 bottom to separate, the stationary state is relieved, and then promote headrest precursor 1 to move forward, headrest precursor 1 drives headrest spout 4 that links to it, headrest front shell 2 moves, headrest spout 4 advances and drives tooth hasp 5 to move forward through hasp piece and hasp hole, when moving to suitable position, loosen button 7, the return spring is reset to drive the toothed lock catch 5 to move upwards, at this time, the second gear belt 511 passes through the second through groove 42 again and is meshed with the first gear belt 81, the adjustment state is finished, and the headrest front body 1 is fixed again. Meanwhile, it should be noted that, because the headrest rear shell 3 is fixed in the whole process, the button 7 can only move on the limit through hole for limited displacement, thereby ensuring the stability of the structure and preventing the separation of the headrest front body 1 and the headrest rear shell 3 caused by improper use of an operator; furthermore, since the vertical diameter of the latch hole 52 is larger than that of the latch block 41, it is ensured that the toothed latch 5 can move downward when pressed by the push button 7 and upward when returned by the spring in the vertical direction while keeping moving in synchronization with the headrest chute 4 in the horizontal direction.
More specifically, the elastic reset piece is a reset spring.
More specifically, first screw holes are formed in four sides of the upper cover, and second screw holes 12 are formed in one side, close to the headrest front shell 2, of the headrest front body 1, corresponding to the first screw holes; the upper cover and the headrest front body 1 are connected together by the cooperation of a first screw and the first and second screw holes 12.
More specifically, a third screw hole 82 and a fourth screw hole are respectively and correspondingly formed on the side, close to each other, of the toothed guide rail 8 and the headrest rear shell 3; the toothed guide rail 8 and the headrest rear case 3 are connected together by the cooperation of the second screw, the third screw hole 82 and the fourth screw hole.
The utility model also relates to a seat, which comprises a cushion 100, a backrest 200, a support rod 300 and the seat headrest telescoping mechanism; the cushion 10 is arranged at the bottom of the backrest 200 and is connected with the backrest 200; one end of the support rod 300 is connected to the top end of the backrest 200, and the other end is connected to the bottom of the headrest rear case 3 in the seat headrest telescopic mechanism.
The utility model discloses still relate to a vehicle, the vehicle is including foretell seat.
The utility model relates to a seat headrest telescopic machanism through reasonable preceding shell 2, the headrest backshell 3, the headrest spout 4, take tooth hasp 5, elasticity to reset 6, button 7 and take tooth guide rail 8 before being provided with headrest precursor 1, headrest for adjustment around headrest precursor 1 can satisfy crowd's different demands, the suitability is strong.
The utility model relates to a seat, owing to adopted foretell seat headrest telescopic machanism, the suitability is strong.
The utility model relates to a vehicle, owing to adopted foretell seat, the suitability is strong.
The above description is only for the preferred embodiment of the present invention, and the structure is not limited to the above-mentioned shape, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a seat headrest telescopic machanism which characterized in that: the seat headrest telescopic component comprises a headrest front body, a headrest front shell, a headrest rear shell, a headrest chute, a toothed lock catch, an elastic reset piece, a button and a toothed guide rail; the bottom of the headrest rear shell is connected with an external seat mechanism; the headrest front shell comprises an upper cover and a communicating pipe; the communicating pipe is inserted into the headrest rear shell, and the upper cover is arranged above the headrest rear shell and connected with the communicating pipe; the upper cover and the upper end of the communicating pipe are correspondingly provided with a first through hole and a second through hole for the lower end of the button to pass through; a limiting through groove is formed in the upper end of the headrest rear shell corresponding to the first through hole and the second through hole; the headrest front body is arranged at the front end of the headrest front shell and is connected with the headrest front shell; the headrest chute, the toothed lock catch, the elastic reset piece and the toothed guide rail are arranged inside the communicating pipe;
wherein one end of the headrest chute, which is close to the headrest front body, is connected with the headrest front body; one end of the guide rail with teeth is slidably arranged in the headrest sliding groove, and the other end of the guide rail with teeth is connected with the headrest rear shell; the bottom of the guide rail with teeth is provided with a first gear belt; a first through groove is formed in the toothed lock catch; two side walls of the headrest sliding groove are respectively provided with a lock catch block, two side walls of the toothed lock catch are correspondingly provided with lock catch holes corresponding to the lock catch blocks, the vertical length of each lock catch hole is greater than that of each lock catch block, the toothed lock catch is connected with the headrest sliding groove through the lock catch holes and the lock catch blocks, and the headrest sliding groove and the toothed guide rail pass through the first through groove; a second gear belt meshed with the first gear belt is arranged on the bottom wall of the first through groove; a second through groove for the second gear belt to pass through is formed in the bottom wall of the headrest sliding groove; the elastic reset piece is arranged in the first through groove, and two ends of the elastic reset piece are respectively abutted against the top end of the first through groove and the upper part of the headrest sliding groove;
the button is arranged above the upper cover, and the lower end of the button sequentially passes through the first through hole, the limiting through groove and the second through hole and is abutted against the upper part of the toothed lock catch.
2. The seat headrest retracting mechanism according to claim 1, wherein: the elastic reset piece is a reset spring.
3. The seat headrest retracting mechanism according to claim 1, wherein: first screw holes are formed in the four sides of the upper cover, and second screw holes are formed in one side, close to the headrest front shell, of the headrest front body and correspond to the first screw holes; the upper cover and the headrest front body are connected together through the matching of a first screw, the first screw hole and the second screw hole.
4. The seat headrest retracting mechanism according to claim 1, wherein: a third screw hole and a fourth screw hole are correspondingly formed in the side, close to each other, of the guide rail with the teeth and the headrest rear shell respectively; the toothed guide rail and the headrest rear shell are connected together through a second screw and the matching of the third screw hole and the fourth screw hole.
5. A seat, characterized by: the seat comprises a cushion, a backrest, a support rod and a seat headrest telescoping mechanism of any one of claims 1 to 4; the cushion is arranged at the bottom of the backrest and is connected with the backrest; one end of the supporting rod is connected with the top end of the backrest, and the other end of the supporting rod is connected with the bottom of the headrest rear shell in the seat headrest telescopic mechanism.
6. A vehicle, characterized in that: the vehicle comprising a seat as claimed in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212955.4U CN211684799U (en) | 2019-12-11 | 2019-12-11 | Seat headrest telescopic mechanism, seat and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922212955.4U CN211684799U (en) | 2019-12-11 | 2019-12-11 | Seat headrest telescopic mechanism, seat and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211684799U true CN211684799U (en) | 2020-10-16 |
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ID=72790686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922212955.4U Active CN211684799U (en) | 2019-12-11 | 2019-12-11 | Seat headrest telescopic mechanism, seat and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211684799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896005A (en) * | 2021-03-26 | 2021-06-04 | 重庆宏立至信科技发展集团有限公司 | Manual translation headrest |
| WO2024055718A1 (en) * | 2022-09-14 | 2024-03-21 | 蔚来汽车科技(安徽)有限公司 | Seat for vehicle, and vehicle |
-
2019
- 2019-12-11 CN CN201922212955.4U patent/CN211684799U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112896005A (en) * | 2021-03-26 | 2021-06-04 | 重庆宏立至信科技发展集团有限公司 | Manual translation headrest |
| CN112896005B (en) * | 2021-03-26 | 2022-05-10 | 麦格纳座椅研发(重庆)有限公司 | Manual translation headrest |
| WO2024055718A1 (en) * | 2022-09-14 | 2024-03-21 | 蔚来汽车科技(安徽)有限公司 | Seat for vehicle, and vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: Building 1, No. 8 Quling Middle Road, Liaobu Town, Dongguan City, Guangdong Province, 523000 Patentee after: QUALITY LIFE TECHNOLOGIES Co.,Ltd. Address before: Room 101, building 1, No.3 laofuwu Road, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee before: QUALITY LIFE TECHNOLOGIES Co.,Ltd. |