CN210258136U - Guide sleeve structure of automobile headrest - Google Patents
Guide sleeve structure of automobile headrest Download PDFInfo
- Publication number
- CN210258136U CN210258136U CN201921008598.3U CN201921008598U CN210258136U CN 210258136 U CN210258136 U CN 210258136U CN 201921008598 U CN201921008598 U CN 201921008598U CN 210258136 U CN210258136 U CN 210258136U
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- CN
- China
- Prior art keywords
- guide sleeve
- headrest
- groove
- draw
- stopper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a car headrest uide bushing structure, including the guide pin bushing main part that is located between back metal guide pin bushing and the headrest branch, its characterized in that: the outer side of the guide sleeve main body is sleeved with a plastic rubber limiting block, a guide sleeve pin shaft is clamped on the guide sleeve main body, the plastic rubber limiting block is in limit fit with the backrest metal guide sleeve, and the guide sleeve pin shaft is in butt fit with the headrest supporting rod. The plastic rubber limiting block is in interference fit with the backrest metal guide sleeve, and the guide sleeve pin shaft is in interference fit with the headrest support rod, so that rocking and friction noise are not easy to occur between the headrest guide sleeve and the backrest metal guide sleeve as well as between the headrest support rod.
Description
Technical Field
The utility model relates to an automobile parts technical field specifically indicates a car headrest uide bushing structure.
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 general headrest guide sleeve is sleeved on the backrest framework or the vehicle body, and the headrest support rod is sleeved in the headrest guide sleeve; however, the existing structure is generally made of a single material, the headrest guide sleeve and the framework metal guide sleeve are difficult to adjust in a matching mode, the headrest support rod and the headrest guide sleeve are easy to generate interference noise, namely, when a vehicle runs on a poor road surface, the headrest generates noise due to friction with surrounding environment pieces, and users complain about the noise.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide an automobile headrest guide sleeve structure for eliminating the friction noise of a headrest guide sleeve.
In order to achieve the above object, the utility model provides an automobile headrest uide bushing structure, including being located the guide pin bushing main part between back metal guide pin bushing and the headrest branch, its characterized in that: the outer side of the guide sleeve main body is sleeved with a plastic rubber limiting block, a guide sleeve pin shaft is clamped on the guide sleeve main body, the plastic rubber limiting block is in limit fit with the backrest metal guide sleeve, and the guide sleeve pin shaft is in butt fit with the headrest supporting rod.
Further, the plasticity rubber stopper includes upside TPV stopper and downside TPV stopper, upside TPV stopper with be equipped with upside draw-in groove and downside draw-in groove on the downside TPV stopper respectively, be equipped with spacing arch on the back metal guide pin bushing, spacing arch respectively with the spacing cooperation of upside draw-in groove and downside draw-in groove.
Further, still include adjustment button, adjustment button is last to be equipped with the button draw-in groove, the fixed annular spout that is equipped with in guide pin bushing main part upper end, fixed connection elastic component in the spout, the elastic component other end with button draw-in groove joint.
The utility model has the advantages that: eliminate the friction noise of the headrest guide sleeve. Through set up interference fit between plasticity rubber stopper and the back metal guide pin bushing in the guide pin bushing main part outside, the inboard joint of guide pin bushing main part has interference fit between guide pin bushing round pin axle and the headrest branch, makes difficult appearance rocking and the friction noise between headrest guide pin bushing and back metal guide pin bushing and the headrest branch.
Drawings
Fig. 1 is an explosion resolution diagram of the structure of the utility model.
Fig. 2 is a schematic view of the adjustment button and the slide groove in locking.
Fig. 3 is a schematic view of the matching of the adjusting button and the sliding groove during unlocking.
Fig. 4 is a schematic view of the fitting of the metal back guide sleeve and the headrest guide sleeve.
The components in the figures are numbered as follows: the guide sleeve comprises a guide sleeve main body 1, a sliding groove 101, a pin shaft clamping groove 102, an adjusting button 2, a button clamping groove 201, an elastic piece 3, an upper TPV limiting block 4, an upper clamping groove 401, a lower TPV limiting block 5, a lower clamping groove 501, a guide sleeve pin shaft 6, a headrest supporting rod 7, a backrest metal guide sleeve 8 and a limiting protrusion 801.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the scope of the present invention.
As shown in fig. 1-4, an automobile headrest guide sleeve structure, including being located the guide pin bushing main part 1 between back metal guide pin bushing 8 and the headrest branch 7, its characterized in that: the plastic rubber limiting block is sleeved on the outer side of the guide sleeve main body 1, a guide sleeve pin shaft 6 is connected to the guide sleeve main body 1 in a clamping mode, the plastic rubber limiting block is in limit fit with the backrest metal guide sleeve 8, and the guide sleeve pin shaft 6 is in butt fit with the headrest supporting rod 7. Like this, interference fit between plasticity rubber stopper and the back metal guide pin bushing, interference fit between guide pin bushing round pin axle and the headrest branch makes difficult appearance rocking and the frictional noise between headrest guide pin bushing and back metal guide pin bushing and the headrest branch.
Among the above-mentioned technical scheme, the plasticity rubber stopper includes upside TPV stopper 4 and downside TPV stopper 5, and upside TPV stopper 4 and downside TPV stopper 5 are as an organic whole through injection moulding and guide pin bushing main part 1 shaping, are equipped with upside draw-in groove 401 and downside draw-in groove 501 on upside TPV stopper 4 and the downside TPV stopper 5 respectively, are equipped with spacing arch 801 on the back metal guide pin bushing 8, spacing arch 801 respectively with upside draw-in groove 401 and the spacing cooperation of downside draw-in groove 501. Therefore, the guide sleeve main body and the metal guide sleeve of the backrest are firmly fixed, and the shaking is not easy to occur.
Among the above-mentioned technical scheme, still include adjustment button 2, be equipped with button draw-in groove 201 on adjustment button 2, the fixed annular spout 101 that is equipped with in guide pin bushing main part 1 upper end, fixed connection has elastic component 3 in the spout 101, the elastic component 3 other end and button draw-in groove 201 joint. Therefore, when the adjusting button is pressed down, the elastic piece is compressed, the adjusting button is aligned with the central hole of the sliding groove and is in clearance fit with the headrest strut, and the headrest strut can move up and down freely to adjust the position of the headrest; after the adjustment is finished, the adjusting button is loosened, and the adjusting button is fixedly abutted with the headrest supporting rod under the action of restoring force of the elastic piece to complete the positioning of the headrest.
Claims (3)
1. The utility model provides an automobile headrest uide bushing structure, is including being located guide pin bushing main part (1) between back metal guide pin bushing (8) and headrest branch (7), its characterized in that: the plastic rubber limiting block is sleeved on the outer side of the guide sleeve main body (1), a guide sleeve pin shaft (6) is clamped on the guide sleeve main body (1), the plastic rubber limiting block is in limit fit with the back metal guide sleeve (8), and the guide sleeve pin shaft (6) is in butt fit with the headrest supporting rod (7).
2. The headrest guide sleeve structure for cars of claim 1, characterized in that: plasticity rubber stopper includes upside TPV stopper (4) and downside TPV stopper (5), upside TPV stopper (4) with be equipped with upside draw-in groove (401) and downside draw-in groove (501) on downside TPV stopper (5) respectively, be equipped with spacing arch (801) on back metal guide pin bushing (8), spacing arch (801) respectively with upside draw-in groove (401) and downside draw-in groove (501) spacing cooperation.
3. The headrest guide sleeve structure for cars of claim 1, characterized in that: still include adjustment button (2), be equipped with button draw-in groove (201) on adjustment button (2), fixed annular spout (101) that are equipped with in guide pin bushing main part (1) upper end, spout (101) internal fixation is connected with elastic component (3), the elastic component (3) other end with button draw-in groove (201) joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008598.3U CN210258136U (en) | 2019-07-01 | 2019-07-01 | Guide sleeve structure of automobile headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921008598.3U CN210258136U (en) | 2019-07-01 | 2019-07-01 | Guide sleeve structure of automobile headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210258136U true CN210258136U (en) | 2020-04-07 |
Family
ID=70046532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921008598.3U Active CN210258136U (en) | 2019-07-01 | 2019-07-01 | Guide sleeve structure of automobile headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210258136U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677851A (en) * | 2021-01-14 | 2021-04-20 | 中国汽车工程研究院股份有限公司 | Guide pipe for preventing abnormal sound of headrest rod of automobile seat |
-
2019
- 2019-07-01 CN CN201921008598.3U patent/CN210258136U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677851A (en) * | 2021-01-14 | 2021-04-20 | 中国汽车工程研究院股份有限公司 | Guide pipe for preventing abnormal sound of headrest rod of automobile seat |
| CN112677851B (en) * | 2021-01-14 | 2023-03-14 | 中国汽车工程研究院股份有限公司 | Guide pipe for preventing abnormal sound of headrest rod of automobile seat |
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