CN216761550U

CN216761550U - Translation type four-way headrest

Info

Publication number: CN216761550U
Application number: CN202220235534.2U
Authority: CN
Inventors: 魏志远; 施豪峰
Original assignee: Ningbo Jifeng Auto Parts Co Ltd
Current assignee: Ningbo Jifeng Auto Parts Co Ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-17
Anticipated expiration: 2032-01-26

Abstract

The utility model belongs to the technical field of headrests, and provides a translation type four-way headrest, which comprises: the headrest comprises a headrest body, a front-back adjusting assembly and a control assembly, wherein a locking groove is formed in the headrest body, the front-back adjusting assembly is arranged at the lower end of the headrest body and is provided with a ratchet wheel and a pawl meshed with the ratchet wheel, the ratchet wheel is arranged on the headrest body, and when the ratchet wheel rotates relative to the pawl, the headrest body can be adjusted front and back; preceding wing skeleton is provided with upper and lower adjusting part on it, upper and lower adjusting part has locking piece and button, the button activity set up in on the preceding wing skeleton and with locking piece activity is supported and is leaned on. Compared with the prior art, the headrest has the advantages that the front and back position adjustment of the headrest can be realized through the ratchet wheel and the pawl, the headrest can reset without a button when moving to the foremost position, the headrest can be lifted and lowered through the locking groove and the locking piece, the headrest is convenient to operate, the adjustment operation is simple, the smoothness is good, and the assembly is convenient and fast.

Description

Translation type four-way headrest

Technical Field

The utility model belongs to the technical field of headrests, and particularly relates to a translation type four-way headrest.

Background

The automobile headrest is an auxiliary device arranged for improving the riding comfort and safety of an automobile, the original two-way (up-down adjustment) headrest and the fixed headrest cannot be adjusted in the front-back direction relatively, and the head of a passenger cannot completely lean against the headrest under the condition that the body of the passenger slightly leans forwards or backwards inclines in the riding process, so that the four-way adjustment headrest appears on the market, namely when the comfort level of the passenger cannot be met by the inherent position of the headrest, the passenger can adjust according to the requirement of the passenger.

However, the four-way headrest in the market is complex in structure, complicated in front-back adjustment and lifting adjustment, unsmooth in use process, high in assembly cost and incapable of being widely applied to various passenger vehicles.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of the prior art and provides a translation type four-way headrest which is simple in structure, convenient to assemble and simple to adjust and operate.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a translation-type four-way headrest is proposed, comprising:

the headrest comprises a headrest body, a front-back adjusting assembly and a back-forth adjusting assembly, wherein a locking groove is formed in the headrest body, the front-back adjusting assembly is arranged at the lower end of the headrest body and provided with a ratchet wheel and a pawl meshed with the ratchet wheel, the ratchet wheel is arranged on the headrest body, and when the ratchet wheel rotates relative to the pawl, the headrest body can be adjusted front and back;

preceding wing skeleton is provided with upper and lower adjusting part on it, upper and lower adjusting part has lock piece and button, the button activity set up in on the preceding wing skeleton and with the lock piece activity is supported and is leaned on, the lock piece set up in on the preceding wing skeleton and with locking groove activity joint, when towards the direction of lock piece promotes during the button, can drive the lock piece with the locking groove breaks away from the contact, preceding wing skeleton can carry out lift adjustment.

In the above translation type four-way headrest, the headrest body has a cover plate, the ratchet is disposed on the cover plate, and the front-rear adjusting assembly includes:

the pawl is arranged on the fixed support;

a fixing rod penetrating through the headrest body and connected to the fixing bracket;

the transmission rod is arranged on the fixed bracket and is positioned on one side of the fixed rod;

and the reset spring is arranged on the transmission rod and movably propped against the cover plate.

In foretell translation formula quadriversal headrest, install the stopper on the transfer line, be provided with the torsional spring on the stopper, the pawl activity set up in on the stopper and with torsional spring coupling.

In foretell translation formula quadriversal headrest, left guard plate and right guard plate are installed respectively to the ratchet both sides, left guard plate set up in on the apron.

In the translation type four-way headrest, the left protection plate is provided with a groove hole, the pawl is provided with a limit pin, and the limit pin is movably arranged in the groove hole.

In the translation type four-way headrest, the left protection plate is provided with a slotted hole, and the slotted hole is provided with a first abutting surface and a second abutting surface.

In the above-mentioned translation type four-way headrest, the lock member includes:

a locking box connected with the front wing framework;

the locking steel wire, its activity set up in on the locking box and with locking groove activity joint, the button with the locking steel wire activity is supported and is leaned on.

In the translation type four-way headrest, an elastic part is arranged in the locking box, and the locking steel wire is connected with the elastic part.

In foretell translation formula quadriversal headrest, the button has first scarf, the locking steel wire has the second scarf, first scarf with the activity of second scarf is supported and is pushed against.

Compared with the prior art, the headrest has the advantages that the front and back position adjustment of the headrest can be realized through the ratchet wheel and the pawl, the headrest can reset without a button when moving to the foremost position, the headrest can be lifted and lowered through the locking groove and the locking piece, the headrest is convenient to operate, the adjustment operation is simple, the smoothness is good, and the assembly is convenient and fast.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of the fore-aft adjustment assembly;

FIG. 5 is an exploded view of the structure of the fore-aft adjustment assembly;

FIG. 6 is a schematic structural view of the present up-down adjustment assembly;

fig. 7 is an exploded view of the structure of the present up-down adjustment assembly.

In the figure, 1, a headrest body; 2. a front and rear adjustment assembly; 3. a front wing framework; 4. an up-down adjustment assembly; 100. a locking groove; 101. a cover plate; 200. a ratchet wheel; 201. a pawl; 202. fixing a bracket; 203. fixing the rod; 204. a transmission rod; 205. a return spring; 206. a limiting block; 207. a torsion spring; 208. A left guard plate; 209. a right guard plate; 210. a slot; 211. a spacing pin; 212. a first abutting surface; 213. a second abutting surface; 400. a locking member; 401. a button; 402. a lock box; 403. locking the steel wire; 404. an elastic member; 405. a first chamfer; 406. a second chamfer.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1-7, the translation type four-way headrest includes: the headrest comprises a headrest body 1, a locking groove 100 is formed in the headrest body 1, a front-back adjusting assembly 2 is arranged at the lower end of the headrest body 1, the front-back adjusting assembly 2 is provided with a ratchet 200 and a pawl 201 meshed with the ratchet 200, the ratchet 200 is arranged on the headrest body 1, and when the ratchet 200 rotates relative to the pawl 201, the headrest body 1 can be adjusted front and back; preceding wing skeleton 3, be provided with upper and lower regulating assembly 4 on it, upper and lower regulating assembly 4 has locking piece 400 and button 401, button 401 activity sets up on preceding wing skeleton 3 and supports with locking piece 400 activity and lean on, locking piece 400 sets up on preceding wing skeleton 3 and with locking groove 100 activity joint, when the direction towards locking piece 400 promotes button 401, can drive locking piece 400 and locking groove 100 break away from the contact, preceding wing skeleton 3 can carry out lift adjustment.

Outside headrest branch sets up on adjusting part 2 around promptly, the passenger can pull the headrest, through ratchet 200 pawl 201 meshing rotation, and then carry out the gear adjustment, 3 front portions of front wing skeleton have the front wing foam, make the passenger head obtain suitable impetus, improve the travelling comfort, the passenger need adjust the high messenger of car headrest promptly, press button 401, locking piece 400 breaks away from the locking groove 100 of joint with it, and then realize 3 lift adjustment of front wing skeleton, whole structure easy operation, practicality is convenient.

The headrest body 1 has a cover plate 101, the ratchet 200 is provided on the cover plate 101, and the front-rear adjusting assembly 2 includes: the fixed bracket 202, the pawl 201 is set up on the fixed bracket 202; a fixing rod 203 penetrating the headrest body 1 and connected to the fixing bracket 202; a transmission rod 204 disposed on the fixing bracket 202 and located at one side of the fixing rod 203; and the return spring 205 is arranged on the transmission rod 204 and movably abutted against the cover plate 101.

The ratchet 200 and the pawl 201 have a plurality of engaging positions, the headrest body 1 is manually pulled back and forth to enable the ratchet 200 and the pawl 201 to engage and rotate, when the ratchet 200 rotates to the maximum position, the transmission rod 204 drives the reset spring 205 to be in the maximum pre-tightening state, at the moment, the reset spring 205 and the cover plate 101 movably abut against each other, when the ratchet 200 is pulled to exceed the maximum position, the ratchet 200 is disconnected from the pawl 201, and the headrest body 1 drives the ratchet 200 to rapidly reset to the initial position.

The transmission rod 204 is provided with a limiting block 206, the limiting block 206 is provided with a torsion spring 207, and the pawl 201 is movably arranged on the limiting block 206 and connected with the torsion spring 207.

When the ratchet 200 is reset by the reset spring 205, the pawl 201 can also be reset by the torsion spring 207.

A left protection plate 208 and a right protection plate 209 are respectively installed on both sides of the ratchet wheel 200, and the left protection plate 208 is arranged on the cover plate 101.

The left protection plate 208 and the right protection plate 209 can prevent foreign objects from damaging the ratchet 200 and the pawl 201, i.e., can play a role in protection.

The left protection plate 208 is provided with a slot 210, the pawl 201 is provided with a limit pin 211, the limit pin 211 is movably arranged in the slot 210, and the slot 210 is provided with a first abutting surface 212 and a second abutting surface 213.

Headrest body 1 drives ratchet 200 and rotates, promote along with the gear, spacer pin 211 slowly moves to the first left side that leans on face 212 to support from the right side that first leans on face 212, after ratchet 200 rotates to the biggest gear, the relative pawl 201 of ratchet 200 rotates and is greater than 37 degrees this moment, spacer pin 211 by support with first leaning on face 212 support the transform to lean on face 213 with the second and support, ratchet 200 and pawl 201 break away from the connection this moment, the headrest drives ratchet 200 earlier and resets, torsional spring 207 drives pawl 201 and resets in succession afterwards, the headrest resets to initial condition promptly.

The locking member 400 includes a locking box 402 connected to the front wing frame 3; and the locking steel wire 403 is movably arranged on the locking box 402 and movably clamped with the locking groove 100, and the button 401 is movably abutted against the locking steel wire 403.

There is the connecting rod on the locking box 402, the connecting rod links to each other with preceding wing skeleton 3, the both ends of locking steel wire 403 are all movable to be set up in locking box 402, artifical manual push button 401, button 401 presses locking steel wire 403 to make locking steel wire 403 atress to the internal contraction of locking box 402, locking steel wire 403 breaks away from the joint with locking groove 100 this moment, preceding wing skeleton 3 is adjusted to suitable gear height after, release button 401, locking steel wire 403 resets and with the gear joint that corresponds, realize gear locking effect.

An elastic member 404 is provided in the lock case 402, and the lock wire 403 is connected to the elastic member 404.

The elastic member 404 is a spring, and the lock wire 403 can be retracted toward the lock case 402 by the pressure of the retraction button 401.

The button 401 has a first inclined plane 405, the locking wire 403 has a second inclined plane 406, and the first inclined plane 405 and the second inclined plane 406 movably abut against each other.

When the button 401 is manually pressed, the second chamfered surface 406 abutting against the first chamfered surface 405 is contracted toward the lock box 402 with a downward pressure, and the lock wire 403 is disengaged from the lock groove 100.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims

1. A translation type four-way headrest, comprising:

2. The translating, four-way headrest of claim 1, wherein the headrest body has a cover plate, the ratchet is disposed on the cover plate, and the fore-aft adjustment assembly comprises:

the pawl is arranged on the fixed support;

3. The translation type four-way headrest according to claim 2, wherein a limiting block is mounted on the transmission rod, a torsion spring is arranged on the limiting block, and the pawl is movably arranged on the limiting block and connected with the torsion spring.

4. The translation type four-way headrest according to claim 3, wherein a left protection plate and a right protection plate are respectively installed on two sides of the ratchet wheel, and the left protection plate is arranged on the cover plate.

5. The translation type four-way headrest according to claim 4, wherein the left protection plate is provided with a slot, the pawl is provided with a limit pin, and the limit pin is movably arranged in the slot.

6. The translating four-way headrest of claim 5, wherein the slot has a first abutment surface and a second abutment surface.

7. The translating four-way headrest of claim 1, wherein the lock comprises:

a locking box connected with the front wing framework;

8. The translating four-way headrest according to claim 7, wherein an elastic member is disposed in the locking box, and the locking wire is connected to the elastic member.

9. The translating four-way headrest of claim 8, wherein the button has a first chamfered surface, the locking wire has a second chamfered surface, and the first chamfered surface movably abuts against the second chamfered surface.