CN204488566U - Chair headrest dip angle organization - Google Patents
Chair headrest dip angle organization Download PDFInfo
- Publication number
- CN204488566U CN204488566U CN201420785916.8U CN201420785916U CN204488566U CN 204488566 U CN204488566 U CN 204488566U CN 201420785916 U CN201420785916 U CN 201420785916U CN 204488566 U CN204488566 U CN 204488566U
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- CN
- China
- Prior art keywords
- tooth plate
- lower tooth
- rotating shaft
- plate
- bending tube
- Prior art date
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of chair headrest dip angle organization, comprise two head rest poles, the bending tube of " n " shape, rotating shaft, collateral fagging, limiting bracket, rotating shaft pull back spring, outer panel, stay bearing plate, lower tooth plate, upper tooth plate and lower tooth plate pull back spring, during initial condition, upper tooth plate and lower tooth plate mesh together, horizontally-guided post is positioned at the front end of pilot notched top cambered surface, driven forward bending tube, bending tube drives the upper relative lower tooth plate of tooth plate to move forward, often after a mobile tooth, lower tooth plate resets under the effect of lower tooth plate pull back spring, engage with a rear tooth of upper tooth plate again, until horizontally-guided post is positioned at the rear end of pilot notched top cambered surface, now go up tooth plate and lower tooth plate still meshes together, continue driven forward bending tube, horizontally-guided post moves down along inclined-plane, rear end in pilot notched, and upper tooth plate departs from lower tooth plate, and bending tube automatically returns to initial condition under the effect of rotating shaft pull back spring, can carry out the adjustment at any angle in certain limit.
Description
Technical field
The utility model relates to chair headrest technical field, is specifically related to a kind of dip angle organization for rotating seat headrest.
Background technology
On the bending tube of chair headrest is sleeved on " n " shape, the two ends of bending tube are arranged on each self-corresponding head rest pole respectively, and head rest pole lower end is inserted in motor vehicle seat back.Existing chair headrest, can only realize overall turnover usually, and can not select according to user the angle tilting to arbitrary needs, controllability is poor.
Utility model content
The utility model improves for above-mentioned technical matters, and intending provides a kind of chair headrest dip angle organization, can carry out the arbitrarily angled adjustment in certain limit, with the operating needs of satisfied different passenger.
For this reason, the technical scheme that the utility model adopts is: a kind of chair headrest dip angle organization, comprise two head rest poles (1), the bending tube (2) of " n " shape and rotating shaft (3), it is characterized in that: wherein one end of described bending tube (2) is welded with collateral fagging (4), described collateral fagging (4) is hinged on wherein one end of described rotating shaft (3) with the head rest pole (1) of respective side, the other end of bending tube (2) is welded with limiting bracket (5), the head rest pole (1) of this limiting bracket (5) respective side is welded with stay bearing plate (8), described limiting bracket (5) and stay bearing plate (8) are hinged on other one end of rotating shaft (3), and limiting bracket (5), stay bearing plate (8) and outer panel (7) are sleeved in rotating shaft (3) from inside to outside successively, in described limiting bracket (5) and the crack of outer panel (7), lower tooth plate (9) and upper tooth plate (10) are installed, lower end and the stay bearing plate (8) of lower tooth plate (9) are hinged, and lower tooth plate (9) is positioned at the rear of rotating shaft (3) with the hinge-point of stay bearing plate (8), lower tooth plate (9) engages with upper tooth plate (10), lower tooth plate pull back spring (11) is housed between lower tooth plate (9) and stay bearing plate (8), described upper tooth plate (10) and outer panel (7), limiting bracket (5) riveted joint is fixing, the inner side of described lower tooth plate (9) is provided with horizontally-guided post (9a), horizontally-guided post (9a) inserts in pilot notched (5a) that limiting bracket (5) is offered, the top of described pilot notched (5a) is cambered surface, the rear height of pilot notched (5a) reduces formation inclined-plane gradually, described rotating shaft (3) is set with rotating shaft pull back spring (6),
During initial condition, upper tooth plate (10) and lower tooth plate (9) mesh together, horizontally-guided post (9a) is positioned at the front end of pilot notched (5a) top cambered surface, driven forward bending tube (2), in bending tube (2) drive, the relative lower tooth plate (9) of tooth plate (10) moves forward, often after a mobile tooth, lower tooth plate (9) resets under the effect of lower tooth plate pull back spring (11), engage with a rear tooth of upper tooth plate (10) again, until horizontally-guided post (9a) is positioned at the rear end of pilot notched (5a) top cambered surface, now go up tooth plate (10) still to mesh together with lower tooth plate (9), continue driven forward bending tube (2), horizontally-guided post (9a) moves down along inclined-plane, rear end in pilot notched (5a), upper tooth plate (10) departs from lower tooth plate (9), and bending tube (2) automatically returns to initial condition under the effect of rotating shaft pull back spring (6).
Be preferably, described rotating shaft pull back spring (6) is torsion spring, and one end of torsion spring hangs on upper vertically disposed extension pin (12) of rotating shaft (3), and the other end of torsion spring hangs over the front of limiting bracket (5); Described lower tooth plate pull back spring (11) is also torsion spring, but this torsion spring encloses less than one, and one end of this torsion spring hangs in the breach at stay bearing plate (8) top, and the other end of this torsion spring hangs in the bottom notch of lower tooth plate (9) front end.Lower tooth plate only needs very little restoring force just can return.
Described rotating shaft pull back spring (6) is covered with silencing net (14), the headrest foam that usual and rotating shaft pull back spring is fitted is EPP rigid foam, adopt silencing net EPP rigid foam and rotating shaft pull back spring to be separated, can friction noise be eliminated, play erasure effect.
Described extension pin (12) adopts scrollwork spring to make, and (3) are provided with extension pin-and-hole in rotating shaft, scrollwork spring wrap can install in rear direct insertions extension pin-and-hole fixing.Scrollwork spring utilizes the spring force of self to be fixed in extension pin-and-hole, compares tradition and hangs pin installation, eliminate welding process, and can ensure the fastness of installation.
Described lower tooth plate (9) adopts pressed sheet, and horizontally-guided post (9a) is shaping with lower tooth plate (9) integrated punching, decreases number of parts, simplifies installation, and add the intensity of lower tooth plate.
Described outer panel (7) adopts pressed sheet, has towards the arc rib (7a) of inner side in this pressed sheet upper punch, and outer panel (7) is fitted by this arc rib (7a) and lower tooth plate (9).Decrease the fitting area of outer panel and lower tooth plate, when lower tooth plate opposite exterior lateral sides plate rotates, friction drag is less.
Directly be sleeved in rotating shaft (3) with head rest pole (1) upper end of described collateral fagging (4) homonymy by flattening portion, described collateral fagging (4), limiting bracket (5) all adopt pressed sheet, the upper end of collateral fagging (4), limiting bracket (5) is partly wrapped on corresponding bending tube (2) by " U " tee section, optimizes mounting structure further.
Described upper tooth plate (10) and outer panel (7), limiting bracket (5) are riveted by three rivet pin (13) that horizontal interval (HI) is arranged and are fixed together, and ensure that the fastness of riveted joint, and prevent mutual rotation.
The lower end of described lower tooth plate (9) is provided with circular articulated joint (9a), described stay bearing plate (8) is provided with the hinged breach (8a) mated with circular articulated joint (9a), circular articulated joint (9a) is placed in hinged breach (8a), thus achieves the hinged of lower tooth plate (9) and stay bearing plate (8); Provide a kind of novel articulated manner, facilitate installation, simplify the structure.
During use, user can driven forward bending tube as required, let go after shifting middle unspecified angle position onto, upper tooth plate because of the effect being subject to rotating shaft pull back spring cannot continue forward slide, the lower tooth plate simultaneously engaged with upper tooth plate defines upper tooth plate can only forward can not backward, and therefore going up tooth plate can not also cannot move forward backward; When sensation angle is still improper, driven forward can be continued, often promote a tooth, can hear " clickly " sound, until shift stop bit onto, continue driven forward again, then go up tooth plate and lower tooth plate departs from, can't hear " clickly " sound, now can loose one's grip, bending tube drives tooth plate to get back to initial condition under the spring force of rotating shaft pull back spring, again meshes together with lower tooth plate.
The beneficial effects of the utility model: novel, design ingenious, can carry out the arbitrarily angled adjustment in certain limit, meet the operating needs of different passenger, improve the traveling comfort that headrest uses.
Accompanying drawing explanation
Fig. 1 is axonometric drawing one of the present utility model.
Fig. 2 is axonometric drawing two of the present utility model.
Fig. 3 is the axonometric drawing one of initial bit.
Fig. 4 is the axonometric drawing two (taking off outer panel) of initial bit.
Fig. 5 is the axonometric drawing one (taking off outer panel) of stop bit.
Fig. 6 is the axonometric drawing two of stop bit.
Fig. 7 is the state (taking off outer panel) that upper tooth plate and lower tooth plate depart from.
Detailed description of the invention
Below by embodiment also by reference to the accompanying drawings, the utility model is described in further detail:
Composition graphs 1---shown in Fig. 4, a kind of chair headrest dip angle organization, primarily of the composition such as bending tube 2, rotating shaft 3, collateral fagging 4, limiting bracket 5, rotating shaft pull back spring 6, outer panel 7, stay bearing plate 8, lower tooth plate 9, upper tooth plate 10, lower tooth plate pull back spring 11, extension pin 12, rivet pin 13, silencing net 14 of two head rest poles 1, " n " shape.Orientation all around described below, orientation time all to use is as the criterion.
The right-hand member of bending tube 2 is welded with collateral fagging 4, and collateral fagging 4 and the head rest pole 1 on right side are hinged on the right-hand member of rotating shaft 3.Preferably, head rest pole 1 upper end on right side is directly sleeved in rotating shaft 3 by flattening portion, certainly, also can be sleeved in rotating shaft 3 by welded and installed plate in addition again.
The left end of bending tube 2 is welded with limiting bracket 5, and the head rest pole 1 in left side is welded with stay bearing plate 8, and limiting bracket 5 and stay bearing plate 8 are hinged on the left end of rotating shaft 3.Limiting bracket 5, stay bearing plate 8 and outer panel 7 are sleeved in rotating shaft 3 from inside to outside successively, are provided with lower tooth plate 9 and upper tooth plate 10 in limiting bracket 5 and the crack of outer panel 7.
Lower end and the stay bearing plate 8 of lower tooth plate 9 are hinged, and lower tooth plate 9 is positioned at the rear of rotating shaft 3 with the hinge-point of stay bearing plate 8.Lower tooth plate 9 has a variety of with the articulated manner of stay bearing plate 8, be preferably, the lower end of lower tooth plate 9 is provided with circular articulated joint 9a, stay bearing plate 8 is provided with the hinged breach 8a mated with circular articulated joint 9a, circular articulated joint 9a is placed in hinged breach 8a, thus achieves the hinged of lower tooth plate 9 and stay bearing plate 8.
Lower tooth plate 9 engages with upper tooth plate 10, both thickness is equal, upper tooth plate 10 is positioned at the top of lower tooth plate 9, the below of upper tooth plate 10 is provided with engaging tooth, the top of lower tooth plate 9 is provided with engaging tooth, engaging tooth is unidirectional tooth, and after lower tooth plate 9 engages with upper tooth plate 10, upper tooth plate 10 can only lower tooth plate 9 driven forward relatively.Lower tooth plate pull back spring 11 is housed between lower tooth plate 9 and stay bearing plate 8, makes lower tooth plate 9 self-return.Preferably, lower tooth plate pull back spring 11 is torsion spring, but this torsion spring encloses less than one, and one end of this torsion spring hangs in the breach at stay bearing plate 8 top, and the other end of this torsion spring hangs in the bottom notch of lower tooth plate 9 front end, and lower tooth plate 9 needs very little power to reset.Lower tooth plate pull back spring 11 is not limited to torsion spring, as long as other spring of the smooth return of lower tooth plate 9 can be made also can to adopt.
Upper tooth plate 10 and outer panel 7, limiting bracket 5 are riveted fixing, and preferably, upper tooth plate 10 is riveted by three rivet pin 13 that horizontal interval (HI) is arranged be fixed together with outer panel 7, limiting bracket 5.Also can be one, but preferably more than two or two, anti-rotation while fixing is installed.
The inner side of lower tooth plate 9 is provided with horizontally-guided post 9a, and preferably, lower tooth plate 9 adopts pressed sheet, horizontally-guided post 9a and lower tooth plate 9 integrated punching shaping.Certainly, horizontally-guided post 9a also can be arranged separately, then is welded on the inner side of lower tooth plate 9.
Limiting bracket 5 offers pilot notched 5a, in the pilot notched 5a that horizontally-guided post 9a insertion limiting bracket 5 is offered.The top of pilot notched 5a is cambered surface, and when lower tooth plate 9 moves forward upper tooth plate 10 relatively, and when upper tooth plate 10 and lower tooth plate 9 are in engagement, horizontally-guided post 9a moves backward gradually along top cambered surface in pilot notched 5a.The rear height of pilot notched 5a reduces formation inclined-plane gradually, when upper tooth plate 10 moves to stop bit, horizontally-guided post 9a is positioned at the position, boundary on pilot notched 5a inner top cambered surface and inclined-plane, rear end, if continuation driven forward, horizontally-guided post 9a is then made to continue along inclined-plane, rear end to move backward, because the height on inclined-plane, rear end reduces gradually, lower tooth plate 9 is sunk, and depart from upper tooth plate 10.
Rotating shaft 3 is set with rotating shaft pull back spring 6.Rotating shaft pull back spring 6 is torsion spring, and one end of torsion spring hangs in rotating shaft 3 on vertically disposed extension pin 12, and the other end of torsion spring hangs over the front of limiting bracket 5, and the other end of torsion spring also can hang over collateral fagging 4 front.The mounting means of rotating shaft pull back spring 6 is not limited thereto, and other spring of the smooth return of rotating shaft 3 can be made also can to adopt.Preferably, outside rotating shaft pull back spring 6, silencing net 14 is also covered with.
Preferably, hang pin 12 and adopt scrollwork spring to make, rotating shaft 3 is provided with extension pin-and-hole, scrollwork spring wrap can install in rear direct insertions extension pin-and-hole fixing.Common extension can certainly be adopted to sell, be weldingly fixed in rotating shaft 3.
In addition, outer panel 7 adopts pressed sheet, and have towards the arc rib 7a of inner side in this pressed sheet upper punch, outer panel 7 is fitted by this arc rib 7a and lower tooth plate 9.Collateral fagging 4, limiting bracket 5 all adopt pressed sheet, and the upper end of collateral fagging 4, limiting bracket 5 is partly wrapped on corresponding bending tube 2 by " U " tee section.The above, be all be arranged on left side with dip angle adjusting mechanism to be described, whole seat can be exchanged left and right, and the right side being arranged on seat by dip angle adjusting mechanism is also dropped within protection domain of the present utility model.
During initial condition (as shown in Figure 3, Figure 4), upper tooth plate 10 meshes together with lower tooth plate 9, and horizontally-guided post 9a is positioned at the front end of pilot notched 5a top cambered surface.
Driven forward bending tube 2, bending tube 2 drives the relative lower tooth plate 9 of upper tooth plate 10 to move forward, often after a mobile tooth, lower tooth plate 9 resets under the effect of lower tooth plate pull back spring 11, then engages with a rear tooth of upper tooth plate 10, often promotes a tooth, can hear " clickly " sound, when unclamping the external force of effect under any state that upper tooth plate 10 engages with lower tooth plate 9, upper tooth plate 10 is motionless with the relative position of lower tooth plate 9, thus achieves the adjustment of unspecified angle.Driven forward bending tube 2, until horizontally-guided post 9a is positioned at the rear end (as shown in Figure 5, Figure 6) of pilot notched 5a top cambered surface, now going up tooth plate 10 still to mesh together with lower tooth plate 9, is stop bit, be also upper tooth plate 10 with lower tooth plate 9 from being engaged to the critical conditions be separated.
If continue driven forward bending tube 2 again, horizontally-guided post 9a moves down (as shown in Figure 7) along inclined-plane, rear end in pilot notched 5a, now, upper tooth plate 10 departs from lower tooth plate 9, can't hear " clickly " sound after, unclamp the external force of effect, bending tube 2 automatically returns to initial condition under the effect of rotating shaft pull back spring 6.
Claims (9)
1. a chair headrest dip angle organization, comprise two head rest poles (1), the bending tube (2) of " n " shape and rotating shaft (3), it is characterized in that: wherein one end of described bending tube (2) is welded with collateral fagging (4), described collateral fagging (4) is hinged on wherein one end of described rotating shaft (3) with the head rest pole (1) of respective side, the other end of bending tube (2) is welded with limiting bracket (5), the head rest pole (1) of this limiting bracket (5) respective side is welded with stay bearing plate (8), described limiting bracket (5) and stay bearing plate (8) are hinged on other one end of rotating shaft (3), and limiting bracket (5), stay bearing plate (8) and outer panel (7) are sleeved in rotating shaft (3) from inside to outside successively, in described limiting bracket (5) and the crack of outer panel (7), lower tooth plate (9) and upper tooth plate (10) are installed, lower end and the stay bearing plate (8) of lower tooth plate (9) are hinged, and lower tooth plate (9) is positioned at the rear of rotating shaft (3) with the hinge-point of stay bearing plate (8), lower tooth plate (9) engages with upper tooth plate (10), lower tooth plate pull back spring (11) is housed between lower tooth plate (9) and stay bearing plate (8), described upper tooth plate (10) and outer panel (7), limiting bracket (5) riveted joint is fixing, the inner side of described lower tooth plate (9) is provided with horizontally-guided post (9a), horizontally-guided post (9a) inserts in pilot notched (5a) that limiting bracket (5) is offered, the top of described pilot notched (5a) is cambered surface, the rear height of pilot notched (5a) reduces formation inclined-plane gradually, described rotating shaft (3) is set with rotating shaft pull back spring (6),
During initial condition, upper tooth plate (10) and lower tooth plate (9) mesh together, horizontally-guided post (9a) is positioned at the front end of pilot notched (5a) top cambered surface, driven forward bending tube (2), in bending tube (2) drive, the relative lower tooth plate (9) of tooth plate (10) moves forward, often after a mobile tooth, lower tooth plate (9) resets under the effect of lower tooth plate pull back spring (11), engage with a rear tooth of upper tooth plate (10) again, until horizontally-guided post (9a) is positioned at the rear end of pilot notched (5a) top cambered surface, now go up tooth plate (10) still to mesh together with lower tooth plate (9), continue driven forward bending tube (2), horizontally-guided post (9a) moves down along inclined-plane, rear end in pilot notched (5a), upper tooth plate (10) departs from lower tooth plate (9), and bending tube (2) automatically returns to initial condition under the effect of rotating shaft pull back spring (6).
2. according to chair headrest dip angle organization according to claim 1, it is characterized in that: described rotating shaft pull back spring (6) is torsion spring, one end of torsion spring hangs on upper vertically disposed extension pin (12) of rotating shaft (3), and the other end of torsion spring hangs over the front of limiting bracket (5); Described lower tooth plate pull back spring (11) is also torsion spring, but this torsion spring encloses less than one, and one end of this torsion spring hangs in the breach at stay bearing plate (8) top, and the other end of this torsion spring hangs in the bottom notch of lower tooth plate (9) front end.
3. according to chair headrest dip angle organization according to claim 2, it is characterized in that: described rotating shaft pull back spring (6) is covered with silencing net (14).
4. according to chair headrest dip angle organization according to claim 2, it is characterized in that: described extension pin (12) adopts scrollwork spring to make, and (3) are provided with extension pin-and-hole in rotating shaft, scrollwork spring wrap can install in rear direct insertions extension pin-and-hole fixing.
5. according to chair headrest dip angle organization according to claim 1, it is characterized in that: described lower tooth plate (9) adopts pressed sheet, horizontally-guided post (9a) is shaping with lower tooth plate (9) integrated punching.
6. according to chair headrest dip angle organization according to claim 1, it is characterized in that: described outer panel (7) adopts pressed sheet, have towards the arc rib (7a) of inner side in this pressed sheet upper punch, outer panel (7) is fitted by this arc rib (7a) and lower tooth plate (9).
7. according to chair headrest dip angle organization according to claim 1, it is characterized in that: be directly sleeved in rotating shaft (3) with head rest pole (1) upper end of described collateral fagging (4) homonymy by flattening portion, described collateral fagging (4), limiting bracket (5) all adopt pressed sheet, and the upper end of collateral fagging (4), limiting bracket (5) is partly wrapped on corresponding bending tube (2) by " U " tee section.
8. according to chair headrest dip angle organization according to claim 1, it is characterized in that: described upper tooth plate (10) and outer panel (7), limiting bracket (5) are riveted by three rivet pin (13) that horizontal interval (HI) is arranged and be fixed together.
9. according to chair headrest dip angle organization according to claim 1, it is characterized in that: the lower end of described lower tooth plate (9) is provided with circular articulated joint (9a), described stay bearing plate (8) is provided with the hinged breach (8a) mated with circular articulated joint (9a), circular articulated joint (9a) is placed in hinged breach (8a), thus achieves the hinged of lower tooth plate (9) and stay bearing plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785916.8U CN204488566U (en) | 2014-12-12 | 2014-12-12 | Chair headrest dip angle organization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420785916.8U CN204488566U (en) | 2014-12-12 | 2014-12-12 | Chair headrest dip angle organization |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204488566U true CN204488566U (en) | 2015-07-22 |
Family
ID=53567854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420785916.8U Withdrawn - After Issue CN204488566U (en) | 2014-12-12 | 2014-12-12 | Chair headrest dip angle organization |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204488566U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442486A (en) * | 2014-12-12 | 2015-03-25 | 重庆宏立至信汽车部件制造有限公司 | Inclination angle mechanism of headrest of seat |
-
2014
- 2014-12-12 CN CN201420785916.8U patent/CN204488566U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442486A (en) * | 2014-12-12 | 2015-03-25 | 重庆宏立至信汽车部件制造有限公司 | Inclination angle mechanism of headrest of seat |
| CN104442486B (en) * | 2014-12-12 | 2016-07-06 | 重庆宏立至信汽车部件制造有限公司 | Chair headrest dip angle organization |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20160706 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |