CN210792923U

CN210792923U - Active four-way adjusting automobile headrest

Info

Publication number: CN210792923U
Application number: CN201921454103.XU
Authority: CN
Inventors: 罗迪; 郭金平; 王春燕
Original assignee: Zhejiang Jiafeng Automobile Seat Co ltd
Current assignee: Zhejiang Jiafeng Automobile Seat Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-06-19
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to an active quadriversal adjusts car headrest, including headrest body, headrest locating support and headrest branch, headrest locating support on vertical removal install the headrest body, headrest locating support be located headrest branch upper end branch front side position department, the both ends of headrest branch the slope of the place ahead down extend, headrest locating support below symmetry install two driving frames, driving frame upper end and headrest locating support front side middle part fixed, the lower extreme is connected with the middle part that triggers the spring, headrest branch both ends on all install the regulation support, install the regulation steel wire that passes two driving frame rear portions between two regulation supports, the regulation steel wire on arranged the lower extreme and triggered the protrusion of buckling that the spring rear side pushed up mutually. The utility model has the characteristics of but simple structure is inside stable, thereby can initiatively support the head when the head striking, reduce the impulsive force that the head received, protect passenger and driver etc.

Description

Active four-way adjusting automobile headrest

Technical Field

The utility model relates to a car seat headrest technical field especially relates to an active quadriversal adjusts car headrest.

Background

Generally, when an automobile brakes suddenly, the heads of passengers and a driver move forward first due to inertia, then the shoulders contact with a seat, then the heads collide with a headrest, and after multiple impacts, the inertia force of the heads disappears, so that when an automobile accident occurs, the power borne by the spine and the heads of the passengers and the driver is the largest, and the injuries are easily caused.

Disclosure of Invention

The utility model aims to solve the technical problem that an active quadriversal adjusts car headrest is provided, but has simple structure but inside stable, thereby can initiatively support the head when the head striking, thereby reduce the impulsive force that the head received, characteristics such as protection passenger and driver.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an active quadriversal adjusts car headrest, including headrest body, headrest locating support and headrest branch, headrest locating support on vertical removal install the headrest body, headrest locating support be located headrest branch upper end branch front side position department, the both ends of headrest branch the slope of place ahead down extend, headrest locating support below symmetry install two driving frames, driving frame upper end and headrest locating support front side middle part fixed, the lower extreme is connected with the middle part that triggers the spring, headrest branch both ends on all install the regulation support, install the regulation steel wire that passes two driving frame rear portions between two regulation supports, the regulation steel wire on arranged the lower extreme and triggered the spring rear side protrusion of buckling that pushes up mutually.

Adjusting support upper portion be close to driving frame one side equipartition and have been put the location tooth that is the arc structure, regulation steel wire both ends arranged convex arch of buckling up, buckle protruding side joint on location tooth.

The utility model discloses a headrest support, including the headrest branch, trigger spring, middle part, the convex front side of the convex lower extreme that buckles of two, the convex front side of the convex lower extreme that buckles of adjusting wire that buckles of both sides leans on mutually, makes total eight contact points between the two.

And a transverse supporting rod is arranged between the rear side of the middle part of the adjusting steel wire and the two bending bulges.

The transmission frame comprises an upper support, a damping shaft and a lower support, the lower end of the upper support and the upper end of the lower support are rotationally connected through the damping shaft, and the rear part of the damping shaft is connected with the middle part of the adjusting steel wire.

And the rear side of the headrest positioning bracket is provided with a limiting clamping block matched with the front side of the headrest strut.

Has the advantages that: the utility model relates to an active quadriversal adjusts car headrest, its concrete advantage as follows:

(1) through the design of the trigger spring, the transmission frame and the headrest positioning bracket, when the trigger spring is triggered to move backwards, the transmission frame drives the headrest positioning bracket and the headrest body to rotate forwards, the action of actively contacting with the head of a passenger is completed, and the function of protecting the passenger is achieved;

(2) the front and back positions of the headrest are adjusted by designing the adjusting steel wire and the transmission frame, the headrest body can rotate back and forth along with the rotation of the adjusting steel wire, and the adjusting steel wire is positioned by the positioning teeth on the transmission frame;

(3) the adjusting steel wire and the trigger spring are both designed to be bent strip-shaped, so that contact points between the adjusting steel wire and the trigger spring are increased, the cost is reduced, the process difficulty during production is reduced, the transmission efficiency is improved, and the active front leaning function is ensured to be realized;

(4) and the damping shaft is designed to ensure that the lower bracket drives the upper bracket to rotate when rotating.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a structural view of the present invention;

fig. 3 is a right side view of the present invention;

fig. 4 is a structural view of the positioning teeth of the present invention;

fig. 5 is a structural view of the transmission frame of the present invention.

The figure is as follows: 1. headrest body, 2, headrest locating support, 3, headrest branch, 4, driving frame, 5, adjust the steel wire, 6, adjust the support, 7, trigger spring, 8, horizontal bracing piece, 9, spacing fixture block, 10, location tooth, 11, upper bracket, 12, damping axle, 13, lower carriage.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The embodiment of the utility model relates to an active four-way adjusting automobile headrest, as shown in figures 1-5, comprising a headrest body 1, a headrest positioning support 2 and a headrest support rod 3, wherein the headrest positioning support 2 is vertically movably provided with the headrest body 1, the headrest body 1 is inserted into the headrest positioning support 2 in a pin manner as shown in figure 1, so as to realize the up-and-down movement of the headrest body 1, the headrest positioning support 2 is positioned at the front side of the support rod at the upper end of the headrest support rod 3, two ends of the headrest support rod 3 extend obliquely downwards and forwards, the shape of the whole headrest support rod 3 is similar to the shape of the upper shoulder of a seat, so that the headrest support rod 3 can play a supporting role, two transmission frames 4 are symmetrically arranged below the headrest positioning support 2, the transmission frames 4 mainly play roles in realizing the front-back adjustment of the headrest and realizing the active front-leaning function of the headrest, the upper end of the transmission frame 4 is fixed with the middle part of the front side of the headrest positioning support 2, the lower end is connected with the middle part of the trigger spring 7, the two ends of the headrest support rod 3 are both provided with the adjusting supports 6, the adjusting steel wire 5 which passes through the rear parts of the two transmission frames 4 is arranged between the two adjusting supports 6, the adjusting steel wire 5 is mainly used for controlling the headrest to rotate back and forth to realize front and back position positioning, the adjusting steel wire 5 is provided with a bending bulge of which the lower end is propped against the rear side of the trigger spring 7, the trigger spring 7 is mainly used for realizing the function of active front leaning, when the head and the shoulder of a passenger face backwards and collide with the headrest function part at the upper end of the seat, the trigger spring 7 can deform due to impact force, the deformation can drive the middle part of the adjusting steel wire 5 to deform, meanwhile, the trigger spring 7 can drive the transmission frame 4 to, 4 upper ends of driving frame take headrest locating support 2 and headrest body 1 to move forward, carry out an initiative form compensation to passenger's head, play and reduce the cushion effect, protect passenger's cervical vertebra and head's function, later because trigger spring 7 and the self elasticity of adjusting steel wire 5 realize automatic answer.

Preferably, 6 upper portions of regulation support be close to 4 one side equipartitions of driving frame and have been put the location tooth 10 that is the arc structure, 5 both ends of regulation steel wire arranged convex arch of buckling up, buckle protruding side joint on location tooth 10, adjust the front and back position control that 5 main functions of steel wire realized the headrest, be provided with four lock joint grooves on the tooth 10 of location, realize four fender position of headrest and adjust, in the accommodation process, need pass through installation release mechanism, stir regulation steel wire 5, make and adjust 5 joints of steel wire and deviate from at the position of location tooth 10, later rotate the headrest, realize the front and back location.

Preferably, trigger spring 7 both ends insert in headrest branch 3 to buckle downwards, trigger spring 7 middle part arranged three convex of buckling downwards, the middle part is buckled the protrusion and is located between two driving frames 4, the protruding lower extreme front side of buckling of two of both sides and two of adjusting wire 5 leans on mutually, make eight total contact points between the two, above-mentioned structure is mainly in order to realize triggering spring 7 and adjusting wire 5 transmission each other, play a support reset action simultaneously, in the actual structure, can increase the protruding quantity of buckling of triggering spring 7 and adjusting wire 5, increase the contact point between the two, make the holding power that receives of triggering spring 7 increase, reduce permanent deformation's risk, realize triggering spring 7 auto-recovery function simultaneously.

Preferably, adjust 5 middle part rear sides of steel wire, two buckle and install horizontal bracing piece 8 between the protrusion, horizontal bracing piece 8 is mainly used for realizing a support to the middle part of adjusting steel wire 5, adjusts the middle part of steel wire 5 and links to each other with driving frame 4, also is close to trigger spring 7 nearest simultaneously, so the external force that receives at this position is the biggest, in order to ensure that this position is difficult to take place to warp, install horizontal bracing piece 8 on it, improve the intensity of adjusting steel wire 5.

Preferably, the transmission frame 4 comprises an upper bracket 11, a damping shaft 12 and a lower bracket 13, the lower end of the upper bracket 11 is rotatably connected with the upper end of the lower bracket 13 through the damping shaft 12, the rear part of the damping shaft 12 is connected with the middle part of the adjusting steel wire 5, the transmission frame 4 is divided into four parts, as shown in fig. 2, the upper bracket 11 is longer than the lower bracket 13, and the lower bracket 13 is mainly used for contacting with the trigger spring 7, so that the shorter lower bracket 13 can ensure that the trigger spring 7 can be controlled to rotate a larger angle when the deformation amount is smaller, and the rotation amount of the headrest is increased while the trigger sensitivity is increased.

Preferably, the back side of the headrest positioning bracket 2 is provided with a limiting clamping block 9 matched with the front side of the headrest support rod 3, and the limiting clamping block 9 is designed to be mainly used for facilitating the positioning of the headrest positioning bracket 2, so that the dislocation of the headrest positioning bracket 2 caused by rotation and the abrasion caused by mutual collision are avoided.

Claims

1. The utility model provides an active quadriversal adjusts car headrest, includes headrest body (1), headrest locating support (2) and headrest branch (3), its characterized in that: headrest locating support (2) on vertical removal install headrest body (1), headrest locating support (2) be located headrest branch (3) upper end branch front side position department, the both ends of headrest branch (3) slope down the place ahead and extend, headrest locating support (2) below symmetry install two driving frames (4), driving frame (4) upper end and headrest locating support (2) front side middle part fixed, the lower extreme is connected with the middle part of triggering spring (7), headrest branch (3) both ends on all install regulation support (6), install between two regulation supports (6) and pass regulation steel wire (5) at two driving frames (4) rear portions, regulation steel wire (5) on arranged the lower extreme and triggered spring (7) rear side buckle the protrusion that pushes up mutually.

2. The active four-way adjustable automotive headrest of claim 1, wherein: adjusting support (6) upper portion be close to driving frame (4) one side equipartition and have been put location tooth (10) that are the arc structure, regulation steel wire (5) both ends arranged convex arch of buckling up, buckle protruding side joint on location tooth (10).

3. The active four-way adjustable automotive headrest of claim 1, wherein: trigger spring (7) both ends insert in headrest branch (3) to buckle downwards, trigger spring (7) middle part arranged three convex of buckling down, the middle part is buckled the protrusion and is located between two driving frames (4), the protruding convex lower extreme front side of buckling of two of buckling and adjusting steel wire (5) of both sides leans on mutually, makes total eight contact points between the two.

4. The active four-way adjustable automotive headrest of claim 1, wherein: and a transverse supporting rod (8) is arranged on the rear side of the middle part of the adjusting steel wire (5) and between the two bending bulges.

5. The active four-way adjustable automotive headrest of claim 1, wherein: the transmission frame (4) comprises an upper support (11), a damping shaft (12) and a lower support (13), the lower end of the upper support (11) is rotatably connected with the upper end of the lower support (13) through the damping shaft (12), and the rear part of the damping shaft (12) is connected with the middle part of the adjusting steel wire (5).

6. The active four-way adjustable automotive headrest of claim 1, wherein: the back side of the headrest positioning bracket (2) is provided with a limiting clamping block (9) matched with the front side of the headrest support rod (3).