CN209776253U - Front unlocking mechanism for lifting of seat headrest - Google Patents
Front unlocking mechanism for lifting of seat headrest Download PDFInfo
- Publication number
- CN209776253U CN209776253U CN201920386301.0U CN201920386301U CN209776253U CN 209776253 U CN209776253 U CN 209776253U CN 201920386301 U CN201920386301 U CN 201920386301U CN 209776253 U CN209776253 U CN 209776253U
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- Prior art keywords
- rod
- headrest
- elastic
- shaped locking
- button
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- 230000007246 mechanism Effects 0.000 title claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000005452 bending Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 210000003205 muscle Anatomy 0.000 description 6
- 230000002146 bilateral effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Seats For Vehicles (AREA)
Abstract
the utility model discloses a positive release mechanism of seat headrest lift, including the installation casing, be provided with the headrest pole mounting hole that runs through from top to bottom two on this installation casing, the horizontal slide that transversely sets up has in the installation casing, and this horizontal slide's both ends communicate with the headrest pole mounting hole that corresponds respectively be provided with among the horizontal slide can follow gliding shaft-like locking part around it and be used for making the elastomeric element that shaft-like locking part resets forward, be provided with the release button mounting hole on the antetheca of installation casing, install release button in this release button mounting hole. By adopting the front unlocking mechanism for lifting the seat headrest, the number of parts is small, the structure is simple, the mechanism is stable and reliable, the synchronism is high, the operation is labor-saving, and the problem of clamping stagnation can not occur.
Description
Technical Field
The utility model relates to a seat spare part technical field, concretely relates to positive release mechanism of seat headrest lift.
Background
The seat headrest is one of important parts of an automobile seat, and due to the difference of the stature of each passenger, in order to effectively protect the passenger, the seat headrest mostly has a lifting adjusting function so as to better support the head of the passenger. For ease of use by a user, most head restraints are typically able to be raised without unlocking, and must be unlocked to be lowered.
the headrest rod of the seat headrest is provided with two support rods, and a set of unilateral locking mechanisms are usually installed on the seat backrest of the existing automobile seat to lock one of the support rods of the headrest rod, but the unilateral locking mechanism has poor locking effect on the headrest rod. Therefore, a bilateral locking mechanism has been created, and due to the law that the headrest must be operated by one person when unlocked, the current bilateral locking mechanism is only unlocked at one side when adjusted between the use positions, and the locking groove of the headrest rod at the other side is not deadlocked, but is a movable lock, generally a V-shaped tooth, so that the other side of the bilateral locking mechanism cannot be completely locked, and thus the reliability is insufficient.
therefore, in order to solve the above problems, the applicant has designed a one-button type bilateral locking mechanism (for example, chinese patent application 201811150825.6) capable of performing unlocking operation on the front side, and the original scheme has many parts and complex structure, and the left and right unlocking of the original scheme is respectively realized by 2 sliders, so that the synchronization is poor, and sometimes the left unlocking and the right unlocking are not performed, and the two sides can be ensured to be unlocked together by pressing the button deeper; moreover, the unlocking button is in inclined contact with the sliding block, so that the force transmission efficiency is low, and large force is required when the unlocking button is pressed; meanwhile, the shell and the sliding block are both plastic pieces, so that the contact area between the surfaces is large, the sliding assembly is large, and clamping stagnation is easy to occur.
SUMMERY OF THE UTILITY MODEL
For solving present bilateral locking mechanism spare part of a key formula more, the structure is more complicated, easily takes place the jamming, the not enough technical problem of reliability, the utility model provides a positive release mechanism of seat headrest lift.
The technical scheme is as follows:
The utility model provides a positive release mechanism of seat headrest lift, is provided with the headrest pole mounting hole that runs through from top to bottom two including the installation casing on this installation casing, and its main points lie in: the horizontal slideway is internally provided with a horizontal slideway which is transversely arranged, two ends of the horizontal slideway are respectively communicated with corresponding headrest rod mounting holes, a rod-shaped locking component which can slide back and forth along the horizontal slideway and an elastic component which is used for enabling the rod-shaped locking component to reset forwards are arranged in the horizontal slideway, the front wall of the mounting shell is provided with an unlocking button mounting hole, and an unlocking button is arranged in the unlocking button mounting hole;
when the unlocking button is released, the rod-shaped locking component can slide forwards under the pushing of the elastic component, so that two ends of the rod-shaped locking component slide into the headrest rod mounting holes; when the unlocking button is pressed, the unlocking button can push the rod-shaped locking component backwards, so that the two ends of the rod-shaped locking component exit from the headrest rod mounting hole.
By adopting the structure, the structure has few parts, is simple and reliable, and has high synchronism because the locking and unlocking of the left headrest rod and the right headrest rod are completed by one rod-shaped locking part; moreover, the unlocking button is vertically pressed on the rod-shaped locking component, the force transmission efficiency is 100%, and compared with the prior art, the force required for pressing the unlocking button is smaller, so that the unlocking operation is more comfortable; meanwhile, the contact mode of the root rod-shaped locking component and the horizontal slideway is changed into point/line contact, so that the contact area between the root rod-shaped locking component and the horizontal slideway is greatly reduced, the root rod-shaped locking component can slide in the horizontal slideway very smoothly, and the problem of possible clamping stagnation is solved.
Preferably, the method comprises the following steps: the rod-shaped locking component comprises a button supporting section, two elastic supporting sections and two headrest rod locking sections, the two elastic supporting sections are respectively located at two ends of the button supporting section, the two headrest rod locking sections are respectively located at the outer ends of the corresponding elastic supporting sections, the two elastic supporting sections respectively protrude forwards relative to the corresponding headrest rod locking sections, and the button supporting section protrudes forwards relative to the two elastic supporting sections. By adopting the structure, the rod-shaped locking component can reliably lock the headrest rod, can reliably and elastically cooperate with the elastic component, and is convenient to cooperate with the unlocking button, so that the insertion part of the unlocking button does not need to be too long, and the manufacturing cost is reduced.
Preferably, the method comprises the following steps: the rod-shaped locking component is a steel wire with a circular section. By adopting the structure, the steel wire can be processed to be smooth due to the metal characteristic of the steel wire, so that the steel wire can slide in the horizontal slideway more smoothly, and the clamping stagnation is avoided.
Preferably, the method comprises the following steps: the upper and lower surface of horizontal slideway all is provided with a plurality of protruding muscle that extend along the fore-and-aft direction side by side, shaft-like locking part can slide around each protruding muscle is followed. With the above structure, partial line contact is changed into point contact, and the contact area between the rod-shaped locking member and the horizontal slideway can be further reduced.
Preferably, the method comprises the following steps: the elastic component is an elastic sheet which comprises an installation part and an elastic supporting part formed by bending the installation part forwards, the elastic sheet comprises an installation part and is fixed on the installation shell, and the outer end of each elastic supporting part is elastically supported on the corresponding elastic supporting section respectively. By adopting the structure, the device is easy to install, stable, reliable and low in cost.
Preferably, the method comprises the following steps: the lower surface of the horizontal slide is provided with a plurality of elastic sheet limiting ribs, and the installation part is clamped between the elastic sheet limiting ribs. With the above structure, the elastic sheet can be reliably positioned.
Preferably, the method comprises the following steps: the elastic component is a plurality of return springs elastically supported between the rod-shaped locking component and the mounting shell, or a plurality of return tension springs elastically supported between the rod-shaped locking component and the mounting shell. With the above structure, the rod-shaped locking component can be elastically reset.
Preferably, the method comprises the following steps: and the upper part of the mounting shell is provided with a part mounting opening communicated with the horizontal slideway, and a plastic cover is covered on the part mounting opening. By adopting the structure, the rod-shaped locking component and the elastic component can be conveniently installed, the Z-direction limiting can be carried out on the rod-shaped locking component and the elastic component, the movement of the rod-shaped locking component and the elastic component can be prevented, and meanwhile, peripheral parts (such as a surface sleeve, foam and the like) can be prevented from contacting the rod-shaped locking component and the elastic component, so that the work of the mechanism is influenced.
preferably, the method comprises the following steps: and a reset pressure spring is arranged between the unlocking button and the mounting shell. By adopting the structure, the stable reset of the unlocking button can be ensured.
Compared with the prior art, the beneficial effects of the utility model are that:
The front face unlocking mechanism for lifting the seat headrest has the advantages of ingenious design, small number of parts, simple and reliable structure, high synchronism and capability of locking and unlocking the left headrest rod and the right headrest rod by one rod-shaped locking part; moreover, the unlocking button is vertically pressed on the rod-shaped locking component, the force transmission efficiency is 100%, and compared with the prior art, the force required for pressing the unlocking button is smaller, so that the unlocking operation is more comfortable; meanwhile, the contact mode of the root rod-shaped locking component and the horizontal slideway is changed into point/line contact, so that the contact area between the root rod-shaped locking component and the horizontal slideway is greatly reduced, the root rod-shaped locking component can slide in the horizontal slideway very smoothly, and the problem of possible clamping stagnation is solved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the present invention with the plastic cover removed;
Fig. 3 is a schematic view of the fitting relationship when the unlocking button is released;
Fig. 4 is a schematic view of the fitting relationship when the unlocking button is pressed;
Fig. 5 is a schematic view of a seat headrest assembly.
Detailed Description
The present invention will be further described with reference to the following examples and accompanying drawings.
As shown in fig. 1 to 4, the front unlocking mechanism for lifting a seat headrest comprises an installation housing 1, wherein two headrest rod installation holes 11 penetrating through the installation housing 1 from top to bottom are formed in the installation housing 1, a horizontal slide 12 transversely arranged is arranged in the installation housing 1, two ends of the horizontal slide 12 are respectively communicated with the corresponding headrest rod installation holes 11, that is, the two headrest rod installation holes 11 respectively penetrate through two ends of the horizontal slide 12 along the vertical direction. A rod-shaped locking member 2 which can slide back and forth along the horizontal slide rail 12 and an elastic member 3 for restoring the rod-shaped locking member 2 forward are provided in the horizontal slide rail, an unlocking button mounting hole 13 is provided in the front wall of the mounting case 1, an unlocking button 4 is mounted in the unlocking button mounting hole 13, and the unlocking button 4 can unlock the rod-shaped locking member 2 by pressing.
Referring to fig. 1, 2 and 5, the mounting housing 1 is a plastic part, which is formed in one step and has a rectangular parallelepiped structure as a whole. Two headrest pole mounting holes 11 are respectively opened at the position of installation casing 1 near the both sides outer fringe, and it has the protruding muscle of support of vertical extension to distribute on the pore wall of each headrest pole mounting hole 11, and through the setting of supporting the protruding muscle, the contact mode that makes headrest pole 7 and correspond headrest pole mounting hole 11 is line contact, has reduced the friction by a wide margin to make headrest pole 7 can smoothly slide in headrest pole mounting hole 11, avoid taking place the jamming.
Referring to fig. 2-4, the rod-shaped locking member 2 is integrally formed, and includes a button supporting section 2a, two elastic supporting sections 2b respectively located at two ends of the button supporting section 2a, and two headrest rod locking sections 2c respectively located at outer ends of the corresponding elastic supporting sections 2b, wherein the two elastic supporting sections 2b respectively protrude forward relative to the corresponding headrest rod locking sections 2c, and the button supporting section 2a protrudes forward relative to the two elastic supporting sections 2 b. The two rod-shaped locking parts 2c can reliably lock the corresponding headrest rods 7 respectively, meanwhile, the elastic support section 2b protruding slightly forward is of a groove-shaped structure for the elastic part 3, two ends of the elastic part 3 can be positioned at the corresponding elastic support section 2b, the elastic part 3 is prevented from moving in a crossing mode, in addition, the button support section 2a protruding forward is convenient to be matched with the unlocking button 4, the insertion part of the unlocking button 4 is not required to be designed to be too long, and the manufacturing cost is reduced.
Further, the rod-shaped locking component 2 is preferably made of a steel wire with a circular cross section, and due to the metal characteristics of the steel wire, the steel wire can be processed to be smooth, so that the steel wire can slide in the horizontal slide way 12 more smoothly, and the occurrence of clamping stagnation is avoided.
Referring to fig. 2-4, the elastic component 3 is a spring plate, the spring plate includes an installation portion 3a and an elastic support portion 3b formed by bending the installation portion 3a forward, the spring plate includes the installation portion 3a fixed on the installation housing 1, and the outer end of each elastic support portion 3b is elastically supported on the corresponding elastic support section 2 b. Specifically speaking, for guaranteeing the reliable installation of elastomeric element 3, the lower surface of horizontal slide 12 is provided with the spacing muscle 12b of a plurality of shell fragments, installation department 3a card is gone into between the spacing muscle 12b of each shell fragment, avoids elastomeric element 3 to take place the drunkenness, has improved the reliability.
Referring to fig. 1 and 2, in order to facilitate assembly of the elastic sheet and the steel wire, a component mounting opening communicated with the horizontal slideway 12 is formed in the upper portion of the mounting shell 1, meanwhile, in order to limit the elastic sheet and the steel wire in the Z direction and prevent the elastic sheet and the steel wire from moving, peripheral components (such as a surface cover, foam and the like) can be prevented from contacting the elastic sheet and the steel wire, so that work of the mechanism is affected, a plastic cover 6 covers the component mounting opening, and the plastic cover 6 is in clamping fit with the mounting shell 1. Moreover, the plastic cover 6 is light in weight and low in cost.
referring to fig. 2 to 4, a plurality of ribs 12a extending in the front-rear direction are arranged side by side on the upper and lower surfaces of the horizontal sliding path 12, and the rod-shaped locking member 2 can slide back and forth along each rib 12 a. By adopting the structure, partial line contact is changed into point contact, the contact area between the rod-shaped locking component 2 and the horizontal slideway 12 can be further reduced, and the clamping stagnation is avoided.
further, the elastic component 3 is either a plurality of return springs elastically supported between the rod-shaped locking component 2 and the mounting housing 1 or a plurality of return tension springs elastically supported between the rod-shaped locking component 2 and the mounting housing 1. In the present embodiment, it is preferable that 2 return springs are elastically supported between the lever-like lock member 2 and the mounting case 1, and it is also preferable that 2 return tension springs are elastically supported between the lever-like lock member 2 and the mounting case 1, and the same effect as that of the spring plate can be obtained.
Referring to fig. 3 and 4, the unlocking button 4 is a plastic member and is formed in one step, and the unlocking button 4 includes a pressing portion 4a and a driving portion 4b, wherein the pressing portion 4a is located outside the mounting housing 1 and is slidably mounted in the unlocking button mounting hole 13. Specifically, the driving portion 4b extends rearward from the inner surface of the pressing portion 4a, passes through the unlock button mounting hole 13, is inserted into the interior of the mounting case 1, and abuts against the button supporting section 2a of the elastic member 2, thereby being able to press the button supporting section 2 a. In order to ensure that the unlocking button 4 can be elastically reset, a reset pressure spring 5 is arranged between the unlocking button 4 and the mounting shell 1.
Traditional drive division 4b of release button 4 is door word structure, and the mould need be loosed the core, not only leads to the mould structure complicated, and the cost is higher, and release button 4 week circle can not the turn-ups hides ugly moreover, leads to the exposed appearance defect of inner structure.
Therefore, in this embodiment, drive division 4b is two piece at least column structures that extend backward, unlock button mounting hole 13 is a keyway structure, set up a plurality of and the corresponding column structure suitable via hole at the tank bottom of this unlock button mounting hole 13, through such design, compare in the only column structure of tradition and unlock button mounting hole 13's tank bottom shaft hole cooperation, the design of mould has not only been simplified in many such designs, manufacturing cost is reduced, and improve unlock button 4's stability greatly, make unlock button 4 can not take place to rock and jamming. Meanwhile, the outer edge of the pressing part 4a is provided with a circle of flanging 4a1, and only the flanging 4a1 of the unlocking button 4 can be seen when the pressing part is seen from outside to inside, so that the appearance defect that the internal structure is exposed due to a gap between the unlocking button 4 and the mounting shell 1 is overcome.
Referring to fig. 3 to 5, when the unlocking button 4 is released, the rod-shaped locking members 2 can slide forward under the urging of the elastic members 3, so that both ends of the rod-shaped locking members 2 slide into the headrest rod mounting holes 11 to lock the corresponding headrest rods 7, respectively, and at this time, the headrest rods 7 cannot be lifted up and down along the corresponding headrest rod mounting holes 11, so that the height of the headrest body 8 cannot be adjusted. When the unlock button 4 is pressed, the unlock button 4 can push the rod-like locking member 2 backward, so that both ends of the rod-like locking member 2 exit the headrest rod mounting holes 11, and at this time, the headrest rods 7 can be lifted along the corresponding headrest rod mounting holes 11, so that the height of the headrest body 8 can be adjusted.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (9)
1. The utility model provides a positive release mechanism of seat headrest lift, is provided with headrest pole mounting hole (11) that run through from top to bottom including installation casing (1) on this installation casing (1), its characterized in that: the horizontal slideway (12) is transversely arranged in the mounting shell (1), two ends of the horizontal slideway (12) are respectively communicated with corresponding headrest rod mounting holes (11), a rod-shaped locking component (2) capable of sliding back and forth along the horizontal slideway (12) and an elastic component (3) used for enabling the rod-shaped locking component (2) to reset forwards are arranged in the horizontal slideway (12), an unlocking button mounting hole (13) is formed in the front wall of the mounting shell (1), and an unlocking button (4) is mounted in the unlocking button mounting hole (13);
When the unlocking button (4) is released, the rod-shaped locking component (2) can slide forwards under the pushing of the elastic component (3), so that two ends of the rod-shaped locking component (2) slide into the headrest rod mounting holes (11); when the unlocking button (4) is pressed, the unlocking button (4) can push the rod-shaped locking component (2) backwards, so that the two ends of the rod-shaped locking component (2) exit from the headrest rod mounting hole (11).
2. The seat headrest lifting front unlocking mechanism of claim 1, wherein: rod-like locking part (2) are located the elastic support section (2b) of button support section (2a) both ends and two headrest pole locking sections (2c) that correspond elastic support section (2b) outer end respectively including button support section (2a), two respectively elastic support section (2b) are for corresponding headrest pole locking section (2c) protrusion forward respectively, button support section (2a) are for two elastic support section (2b) protrusion forward.
3. the seat headrest lifting front unlocking mechanism of claim 2, wherein: the rod-shaped locking component (2) is a steel wire with a circular section.
4. The seat headrest raising/lowering front unlocking mechanism according to any one of claims 1 to 3, characterized in that: the upper surface and the lower surface of the horizontal slideway (12) are provided with a plurality of convex ribs (12a) extending along the front-back direction side by side, and the rod-shaped locking component (2) can slide back and forth along each convex rib (12 a).
5. The seat headrest lifting front unlocking mechanism of claim 2, wherein: the elastic component (3) is an elastic sheet, the elastic sheet comprises an installation part (3a) and elastic supporting parts (3b) formed by bending the installation part (3a) forwards, the elastic sheet comprises the installation part (3a) and is fixed on the installation shell (1), and the outer ends of the elastic supporting parts (3b) are respectively and elastically supported on the corresponding elastic supporting sections (2 b).
6. The seat headrest lifting front unlocking mechanism of claim 5, wherein: the lower surface of the horizontal slide way (12) is provided with a plurality of elastic sheet limiting ribs (12b), and the installation part (3a) is clamped between the elastic sheet limiting ribs (12 b).
7. The seat headrest lifting front unlocking mechanism of claim 1, wherein: the elastic component (3) is a plurality of return springs elastically supported between the rod-shaped locking component (2) and the mounting shell (1) or a plurality of return tension springs elastically supported between the rod-shaped locking component (2) and the mounting shell (1).
8. The seat headrest lifting front unlocking mechanism of claim 1, wherein: the upper part of the mounting shell (1) is provided with a part mounting opening communicated with the horizontal slideway (12), and the part mounting opening is covered with a plastic cover (6).
9. The seat headrest lifting front unlocking mechanism of claim 1, wherein: and a reset pressure spring (5) is arranged between the unlocking button (4) and the mounting shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920386301.0U CN209776253U (en) | 2019-03-25 | 2019-03-25 | Front unlocking mechanism for lifting of seat headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920386301.0U CN209776253U (en) | 2019-03-25 | 2019-03-25 | Front unlocking mechanism for lifting of seat headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209776253U true CN209776253U (en) | 2019-12-13 |
Family
ID=68799580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920386301.0U Expired - Fee Related CN209776253U (en) | 2019-03-25 | 2019-03-25 | Front unlocking mechanism for lifting of seat headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209776253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808556A (en) * | 2019-03-25 | 2019-05-28 | 重庆延锋安道拓汽车部件系统有限公司 | Seat headrest for car goes up and down unlocking mechanism |
-
2019
- 2019-03-25 CN CN201920386301.0U patent/CN209776253U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109808556A (en) * | 2019-03-25 | 2019-05-28 | 重庆延锋安道拓汽车部件系统有限公司 | Seat headrest for car goes up and down unlocking mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: No. 99, Pingtai Road, huangmaoping, Liangjiang New District, Chongqing Patentee before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |