CN210554361U - Guide sleeve assembling structure for four-way adjustment of automobile seat headrest - Google Patents
Guide sleeve assembling structure for four-way adjustment of automobile seat headrest Download PDFInfo
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- CN210554361U CN210554361U CN201921204406.6U CN201921204406U CN210554361U CN 210554361 U CN210554361 U CN 210554361U CN 201921204406 U CN201921204406 U CN 201921204406U CN 210554361 U CN210554361 U CN 210554361U
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- headrest
- rubber body
- rubber
- guide sleeve
- spring
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Abstract
The utility model discloses a uide bushing assembly structure of car seat headrest is adjusted to quadriversal, including back metal framework, quadriversal adjustment headrest and the uide bushing of assembling in back metal framework top left and right sides, the bottom left and right sides of quadriversal adjustment headrest is connected with the headrest branch that can insert in the uide bushing, the uide bushing of assembling in back metal framework top left and right sides all includes the guide pin bushing casing, the equal joint in upper end of every guide pin bushing casing has the headrest adjustment button who is used for adjusting headrest branch locking and unblock, be fixed with the upside rubber block and the downside rubber block of reducible guide pin bushing casing and back metal framework's noise of contact on the upper portion outer wall surface of guide pin bushing casing and the lower extreme outer wall surface respectively. On the premise of satisfying the four-way adjustment of the assembly and fixation of the headrest, the manufacturing requirements of stable structure and low noise are met.
Description
Technical Field
The utility model relates to a car seat technical field specifically indicates a uide bushing assembly structure of car seat headrest is adjusted to quadriversal.
Background
The headrest guide sleeve of the automobile seat is a necessary configuration for headrest adjustment function, and is a structure for ensuring the comfort and safety of different passengers at the head and neck; the headrest is respectively assembled on the two headrest guide sleeves through two headrest struts; present headrest needs lock the height of adjusting the headrest through the cooperation of headrest uide bushing and headrest branch, consequently two headrest uide bushings need realize respectively to the locking and the guide function of headrest branch, lead to the fitting gap between headrest uide bushing and the headrest branch big, and the noise that the later stage produced is also big.
The up-down and front-back adjusting functions of the four-way adjusting headrest are achieved in the headrest module, the headrest support rod does not need to be guided through the headrest guide sleeve to achieve up-down adjustment of the four-way adjusting headrest, but the existing four-way adjusting headrest is still assembled by taking the guide sleeve with the locking and guiding functions as an installation basis, so that the gap between the guide sleeve and the headrest support rod is large, and noise is formed in the later use process.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the deficiencies of the background art, and providing a guide sleeve assembly structure which has good locking effect on a four-way adjusting automobile headrest, can eliminate interference noise and reduce the shaking of the headrest.
For realizing this purpose, the utility model discloses a uide bushing assembly structure of car seat headrest is adjusted to quadriversal, adjust the headrest and assemble in the uide bushing of back metal framework top left and right sides including back metal framework, quadriversal, the bottom left and right sides that quadriversal adjusted the headrest is connected with the headrest branch that can insert in the uide bushing, its characterized in that: the guide sleeve assembled on the left side and the right side of the top of the backrest metal framework comprises a guide sleeve shell, each guide sleeve shell is connected with a headrest adjusting button used for adjusting the locking and unlocking of the headrest support rod in a clamping mode at the upper end of the guide sleeve shell, and an upper side rubber block and a lower side rubber block which can reduce the contact noise of the guide sleeve shell and the backrest metal framework are fixed on the surface of the outer wall of the upper portion and the surface of the outer wall of the lower end of the guide sleeve shell respectively.
Furthermore, the guide sleeve casing is vertical fixation in the drum structure at seat skeleton top, headrest branch is including coaxial insertion the guide sleeve casing in insert the pole section with connect in insert pole section top, with insert the pole section and become obtuse connecting rod section, the guide sleeve casing with headrest adjustment button's connection structure be can with insert the pole section with the junction locking of connecting rod section is in the elastic clamping structure in the guide sleeve casing.
Furthermore, the elastic clamping structure comprises a button spring which is positioned between the headrest adjusting button and the upper end of the guide sleeve shell and used for pushing the headrest adjusting button to reset, and a button spring clamping groove and a guide sleeve spring sliding groove are respectively formed in one side of the headrest adjusting button positioned in the guide sleeve shell and the inner part of the upper end of the guide sleeve shell; the button spring comprises a first spring body, a second spring body and a third spring body, wherein the first spring body and the second spring body are fixed in a button spring clamping groove of the headrest adjusting button, and the third spring body is inserted into a guide sleeve spring clamping groove of the guide sleeve shell.
Furthermore, two ends of the second spring body are respectively fixedly connected with the first spring body and the third spring body, the second spring body and the first spring body form an L-shaped structure, and the second spring body and the third spring body form a V-shaped structure.
Furthermore, the upside rubber block is including being fixed in the first rubber body on the middle part outer wall surface of guide pin bushing casing and being located first rubber body top, being fixed in the second rubber body on the upper end outer wall surface of guide pin bushing casing, back metal framework go up open have with the upper portion draw-in groove of the middle part of guide pin bushing casing and upper portion joint, first rubber body with the second rubber body contacts with the groove face of the upper portion draw-in groove of back metal framework.
Furthermore, the first rubber body and the second rubber body are fixedly connected into an integral structure through a fifth rubber body.
Furthermore, the first rubber body is of an arc-shaped structure, a plurality of third rubber bodies are fixed to the upper end of the first rubber body along the circumferential direction of the first rubber body, two fourth rubber bodies are symmetrically fixed to the lower end of the first rubber body, and the second rubber body is fixedly connected with one of the third rubber bodies through the fifth rubber body.
Furthermore, a rubber bulge capable of adjusting the assembly gap between the guide sleeve shell and the upper clamping groove of the backrest metal framework is fixed on the fifth rubber body.
Further, downside block rubber includes the annular rubber body and follows a plurality of lower rubber bodies that the circumferencial direction of annular rubber body arranged, back metal framework go up open have with the annular rubber body with a plurality of lower rubber body complex lower part draw-in grooves, the annular rubber body with down the rubber body with the groove face contact of lower part draw-in groove.
Furthermore, an upper rubber body is fixed at the upper end of the annular rubber body.
The utility model has the advantages that: the headrest guide pin bushing assembly is on back metal framework, realizes through headrest adjustment button that the assembly of headrest branch is fixed and dismantle, and the headrest both sides all adopt headrest adjustment button locking to fix, realize the locking of headrest, and the regulation of headrest left and right sides orientation is realized to the adjusting module in the four-way regulation headrest of rethread, satisfies various size customer comfort demands. The soft rubber is assembled between the guide sleeve shell and the backrest metal framework, so that the shaking between the headrest guide sleeve and the backrest metal framework is eliminated and relieved, and the purpose of eliminating headrest interference noise is realized; the four-direction adjusting headrest assembling device has the advantages of being small in size, light in weight, simple in assembling process, convenient to assemble and operate, and capable of meeting manufacturing requirements of stable structure and low noise on the premise of meeting the requirement of assembling and fixing the four-direction adjusting headrest.
Drawings
Fig. 1 is a perspective view of the structure of the middle headrest guide sleeve of the present invention;
fig. 2 is a front view of the structure of the middle headrest guide sleeve of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is an exploded view of the middle headrest guide sleeve of the present invention;
fig. 5 is a perspective view of the guide sleeve housing of the present invention;
fig. 6 is a perspective view of the headrest adjusting button of the present invention;
fig. 7 is a perspective view of the button spring of the present invention;
FIG. 8 is a schematic structural view of the upper rubber block of the present invention;
FIG. 9 is a schematic structural view of a lower rubber block of the present invention;
fig. 10 is a cross-sectional view of the button spring connecting the headrest adjusting button and the guide sleeve housing of the present invention;
FIG. 11 is a perspective view of the guide sleeve assembly structure of the middle four-way adjustable car seat headrest of the present invention;
fig. 12 is a left side view of the connection between the guide sleeve and the headrest stay of the present invention;
FIG. 13 is a front view of the assembly structure of the guiding sleeve and the metal back frame of the present invention;
FIG. 14 is a left side view of the assembly structure of the guiding sleeve and the metal back frame of the present invention;
FIG. 15 is a cross-sectional view taken along line B-B of FIG. 13;
wherein, 1-guide pin bushing casing, 2-headrest adjustment button, 3-button spring (3.1-first spring body, 3.2-second spring body, 3.3-third spring body), 4-upside rubber block (4.1-first rubber body, 4.2-second rubber body, 4.3-third rubber body, 4.4-fourth rubber body, 4.5-fifth rubber body, 4.6-rubber bulge), 5-downside rubber block (5.1-annular rubber body, 5.2-upper rubber body, 5.3-lower rubber body), 6-back metal framework, 7-four-way adjustment headrest, 8-headrest strut (8.1-insert rod section, 8.2-connecting rod section).
Detailed Description
The present invention will be described in further detail with reference to the following drawings and specific embodiments.
As shown in fig. 1-9, car seat headrest uide bushing structure, including two headrest guide pin bushings of symmetry assembly on back metal framework, the headrest guide pin bushing includes guide pin bushing casing 1, the upper end joint of guide pin bushing casing 1 has headrest adjustment button 2 that is used for adjusting headrest branch locking and unblock, install between headrest adjustment button 2 and the upper end of guide pin bushing casing 1 and be used for promoting button spring 3 that headrest adjustment button 2 resets, the upper end outer wall of guide pin bushing casing 1 is fixed with upside rubber block 4, the lower extreme outer wall of guide pin bushing casing 1 is fixed with downside rubber block 5.
As shown in fig. 1 to 7 and 10, the button spring 3 includes a first spring body 3.1 and a second spring body 3.2 assembled in a slot of the headrest adjusting button 2 and a third spring body 3.3 inserted into a sliding slot at the upper end of the guide sleeve housing 1, two ends of the second spring body 3.2 are respectively fixedly connected with the first spring body 3.1 and the third spring body 3.3, the second spring body 3.2 and the first spring body 3.1 form an L-shaped structure, and the second spring body 3.2 and the third spring body 3.3 form a V-shaped structure.
As shown in fig. 1, 2, 4 and 8, the upper rubber block 4 includes a first rubber body 4.1 and a second rubber body 4.2 located directly above the first rubber body 4.1, the first rubber body 4.1 is an arc-shaped structure, a plurality of third rubber bodies 4.3 are fixed to the upper end of the first rubber body 4.1 along the circumferential direction of the first rubber body 4.1, two fourth rubber bodies 4.4 are symmetrically fixed to the lower end of the first rubber body 4.1, the second rubber body 4.2 is fixedly connected to one of the plurality of third rubber bodies 4.3 through a fifth rubber body 4.5, and a rubber protrusion 4.6 is fixed to the fifth rubber body 4.5.
As shown in fig. 1, 2, 4 and 9, the lower rubber block 5 includes an annular rubber body 5.1, an upper rubber body 5.2 fixed to an upper end of the annular rubber body 5.1, and a plurality of lower rubber bodies 5.3 fixed to a lower end of the annular rubber body 5.1 and arranged in a circumferential direction of the annular rubber body 5.1.
As shown in fig. 11-15, the guide sleeve assembly structure of the four-way adjustable car seat headrest of the present invention comprises two identical headrest guide sleeves with adjusting function, and locks and fixes the headrest struts 8 at two sides of the four-way adjustable headrest 7; the guide sleeve shell 1 is positioned between the headrest support rod and the backrest metal framework, so that the four-way adjusting headrest 7 is locked, the safety and the stability of the four-way adjusting headrest 7 are ensured, and the head and neck protection function of a user is realized; the headrest adjusting button 2 adjusts the locking and unlocking of the headrest support rod 8, and the four-way adjustment of the headrest 7 is realized; the button spring 3 pushes the headrest adjusting button 2 to easily recover the original position.
During assembly, an upper TPV block (an upper rubber block 4) and a lower TPV block (a lower rubber block 5) are secondarily injected on the guide sleeve shell 1; the button spring 3 is assembled in a clamping groove of the headrest adjusting button 2; and inserting the headrest adjusting button 2 provided with the button spring 3 into a chute at the upper end of the guide sleeve shell 1, and then clamping and assembling.
The assembled headrest guide sleeve structure realizes the unlocking of the headrest support rod after the headrest adjusting button 2 is pressed and the button spring 3 is compressed for a certain distance, thereby realizing the disassembly of the headrest; and (3) loosening the headrest adjusting button 2, and rebounding the button spring 3 to realize the locking of the headrest support rod. The headrest support rods can be detached and fixed only by unlocking or locking the headrest guide sleeves matched with the two headrest support rods at the same time; go up downside TPV piece secondary and mould plastics to guide pin bushing casing 1 on, go up downside TPV piece and be located between guide pin bushing casing 1 and the back metal framework, make guide pin bushing casing 1 and back metal framework interference fit, eliminate between guide pin bushing casing 1 and the back metal framework interference noise such as friction, collide with, extrusion, headrest branch both sides all adopt headrest adjustment button 2 locking fixed, realize eliminating interference noise and reduce the headrest and rock the clearance.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still fall within the scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a uide bushing assembly structure of car seat headrest is adjusted to quadriversal, includes back metal framework (6), quadriversal regulation headrest (7) and assembles in the uide bushing of back metal framework (6) top left and right sides, the bottom left and right sides of quadriversal regulation headrest (7) is connected with headrest branch (8) that can insert in the uide bushing, its characterized in that: the guide sleeve assembled on the left side and the right side of the top of the backrest metal framework (6) comprises a guide sleeve shell (1) and each guide sleeve shell (1) is provided with a headrest adjusting button (2) used for adjusting the locking and unlocking of a headrest supporting rod (8), and the upper outer wall surface and the lower outer wall surface of the guide sleeve shell (1) are respectively fixed with an upper rubber block (4) and a lower rubber block (5) capable of reducing the contact noise of the guide sleeve shell (1) and the backrest metal framework (6).
2. The guide bush assembling structure of a headrest of a four-way adjustable vehicle seat according to claim 1, wherein: guide pin bushing casing (1) is vertical fixation in the cylinder structure at back metal framework (6) top, headrest branch (8) including but coaxial insertion insert pole section (8.1) in guide pin bushing casing (1) with connect in insert pole section (8.1) top, with insert pole section (8.1) and become obtuse connecting rod section (8.2), guide pin bushing casing (1) with the connection structure of headrest adjustment button (2) is for can with insert pole section (8.1) with the junction locking of connecting rod section (8.2) in the elasticity joint structure in guide pin bushing casing (1).
3. The guide bush assembling structure of a headrest of a four-way adjustable vehicle seat according to claim 2, wherein: the elastic clamping structure comprises a button spring (3) which is positioned between the headrest adjusting button (2) and the upper end of the guide sleeve shell (1) and used for pushing the headrest adjusting button (2) to reset, and a button spring clamping groove and a guide sleeve spring sliding groove are respectively formed in one side of the headrest adjusting button (2) positioned in the guide sleeve shell (1) and the inner part of the upper end of the guide sleeve shell (1); the button spring (3) comprises a first spring body (3.1) and a second spring body (3.2) which are fixed in a button spring clamping groove of the headrest adjusting button (2) and a third spring body (3.3) which is inserted into a guide sleeve spring clamping groove of the guide sleeve shell (1).
4. A guide bush fitting structure of a headrest of a four-way adjustment vehicle seat as claimed in claim 3, wherein: the two ends of the second spring body (3.2) are respectively fixedly connected with the first spring body (3.1) and the third spring body (3.3), the second spring body (3.2) and the first spring body (3.1) form an L-shaped structure, and the second spring body (3.2) and the third spring body (3.3) form a V-shaped structure.
5. The guide bush assembling structure of a headrest of a four-way adjustable vehicle seat according to claim 1, wherein: upside rubber block (4) are including being fixed in first rubber body (4.1) on the middle part outer wall surface of guide pin bushing casing (1) and being located first rubber body (4.1) top, being fixed in second rubber body (4.2) on the upper end outer wall surface of guide pin bushing casing (1), back metal framework (6) go up open have with the upper portion draw-in groove of the middle part of guide pin bushing casing (1) and upper portion joint, first rubber body (4.1) with the groove face contact of second rubber body (4.2) and back metal framework's upper portion draw-in groove.
6. The guide bush assembling structure of a headrest of a four-way adjustment vehicle seat according to claim 5, wherein: the first rubber body (4.1) and the second rubber body (4.2) are fixedly connected into an integral structure through a fifth rubber body (4.5).
7. The guide bush assembling structure of a headrest of a four-way adjustment vehicle seat according to claim 6, wherein: the first rubber body (4.1) is of an arc-shaped structure, a plurality of third rubber bodies (4.3) are fixed to the upper end of the first rubber body (4.1) along the circumferential direction of the first rubber body (4.1), two fourth rubber bodies (4.4) are symmetrically fixed to the lower end of the first rubber body (4.1), and the second rubber body (4.2) is fixedly connected with one of the third rubber bodies (4.3) through the fifth rubber body (4.5).
8. The guide bush assembling structure of a headrest of a four-way adjustment vehicle seat according to claim 7, wherein: and a rubber bulge (4.6) capable of adjusting the assembly gap between the guide sleeve shell (1) and the upper clamping groove of the backrest metal framework (6) is fixed on the fifth rubber body (4.5).
9. The guide bush assembling structure of a headrest of a four-way adjustable vehicle seat according to claim 1, wherein: downside block rubber (5) include annular rubber body (5.1) and follow a plurality of lower rubber body (5.3) that the circumferencial direction of annular rubber body (5.1) arranged, back metal framework (6) go up open have with annular rubber body (5.1) with a plurality of lower rubber body (5.3) complex lower part draw-in grooves, annular rubber body (5.1) with lower rubber body (5.3) with the groove face contact of lower part draw-in groove.
10. The guide bush assembling structure of a four-way adjustable headrest for car seats according to claim 9, wherein: an upper rubber body (5.2) is fixed at the upper end of the annular rubber body (5.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204406.6U CN210554361U (en) | 2019-07-29 | 2019-07-29 | Guide sleeve assembling structure for four-way adjustment of automobile seat headrest |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921204406.6U CN210554361U (en) | 2019-07-29 | 2019-07-29 | Guide sleeve assembling structure for four-way adjustment of automobile seat headrest |
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| CN210554361U true CN210554361U (en) | 2020-05-19 |
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| CN201921204406.6U Active CN210554361U (en) | 2019-07-29 | 2019-07-29 | Guide sleeve assembling structure for four-way adjustment of automobile seat headrest |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112450634A (en) * | 2020-06-24 | 2021-03-09 | 延锋安道拓座椅有限公司 | Double-locking headrest guide sleeve structure |
-
2019
- 2019-07-29 CN CN201921204406.6U patent/CN210554361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112450634A (en) * | 2020-06-24 | 2021-03-09 | 延锋安道拓座椅有限公司 | Double-locking headrest guide sleeve structure |
| CN112450634B (en) * | 2020-06-24 | 2023-12-01 | 延锋国际座椅系统有限公司 | Double-locking headrest guide sleeve structure |
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