CN218907005U

CN218907005U - Headrest height adjusting mechanism for automobile seat

Info

Publication number: CN218907005U
Application number: CN202222493400.3U
Authority: CN
Inventors: 黄杰; 胡路遥; 成立英; 穆普伟; 姚骏杰; 刘春宇
Original assignee: Ningbo Jifeng Auto Parts Co Ltd
Current assignee: Ningbo Jifeng Auto Parts Co Ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-04-25
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to the technical field of automobile headrests, and particularly discloses a headrest height adjusting mechanism for an automobile seat, wherein the seat comprises a seat framework and a headrest arranged at the upper end of the seat framework, and the height adjusting mechanism comprises: a support rod capable of moving up and down along the seat framework, wherein the support rod is movably arranged on the seat framework in a penetrating way, and the upper end of the support rod is used for fixing a headrest; the connecting unit is connected with the lower end of the supporting rod; the power unit is connected with the connecting unit, is used for providing upward supporting force or pulling force for the connecting unit, can drive the connecting unit to carry out lifting movement, the headrest is fixed to the upper end of the supporting rod, the connecting unit is fixed to the lower end of the supporting rod, and the power unit is used for providing supporting force or pulling force for the connecting unit, so that a driving piece in the height adjusting mechanism and the headrest are staggered in the height direction, interference can be avoided, and the headrest main body and the neck support main body can be driven to lift simultaneously.

Description

Headrest height adjusting mechanism for automobile seat

Technical Field

The utility model relates to the technical field of automobile seats, in particular to a headrest height adjusting mechanism for an automobile seat.

Background

The automobile seat is an important component part of an automobile, is closely related to comfort of passengers, and along with development of automobile industry, the automobile seat is not only satisfactory for improving comfort of contact by using flexible materials such as sponge, but also is provided with a headrest which is adjustable in order to meet the requirements of people with different heights, namely, the headrest can be lifted up and down to meet the requirements of different people.

However, in the prior art, the height adjusting mechanism of the headrest is generally disposed at the back of the headrest to directly drive the lifting motion thereof, but may interfere with other structures, and only the headrest body may be adjusted, which does not disclose how to adjust the height thereof for a headrest including a neck brace.

Disclosure of Invention

The present utility model has been made in view of the foregoing problems, and an object of the utility model is to provide a headrest height adjustment mechanism for an automobile seat, in which both a power unit and a connection unit are located below a headrest, interference with other components is prevented, and a headrest body and a neck rest body are adjusted simultaneously.

In order to achieve the above object, the present utility model provides a headrest height adjustment mechanism for an automobile seat, the seat including a seat frame and a headrest provided at an upper end of the seat frame, the height adjustment mechanism comprising:

the supporting rod can move up and down along the seat framework, the supporting rod is movably arranged on the seat framework in a penetrating mode, and the upper end of the supporting rod is used for fixing the headrest;

the connecting unit is connected with the lower end of the supporting rod;

the power unit is connected with the connecting unit, and is used for providing upward supporting force or pulling force for the connecting unit and driving the connecting unit to perform lifting movement.

According to the headrest height adjusting mechanism for the automobile seat, the connecting unit is a connecting block, and the lower end of the supporting rod is connected with the connecting block;

the driving unit is a lifting motor, the lifting motor is fixed on the seat framework, a transmission screw rod which is arranged along the up-down direction of the seat is arranged on the lifting motor, and one end of the transmission screw rod is meshed with the connecting block.

According to the headrest height adjusting mechanism for the automobile seat, the supporting rod is integrally U-shaped, the supporting rod is provided with the installation part positioned at the upper end of the supporting rod and two connecting parts positioned at the lower end of the supporting rod, the two connecting parts are respectively connected with the two ends of the connecting block, and the transmission screw rod is positioned between the two connecting parts.

According to the headrest height adjusting mechanism for the automobile seat, the moving block is arranged in the connecting block and fixed in the connecting block through the bolt, the moving block is provided with the threaded hole, and the transmission screw rod is inserted into the threaded hole and meshed with the threaded hole.

According to the headrest height adjusting mechanism for the automobile seat, the locking springs and the locking grooves are arranged on the connecting portions, the locking portions are arranged at two ends of the connecting blocks, one ends of the locking springs are connected with the connecting portions, the other ends of the locking springs are clamped in the locking grooves after passing through the locking portions, and the locking springs are wrapped on the outer sides of the locking portions.

According to the headrest height adjusting mechanism for the automobile seat, the headrest comprises a headrest main body and a neck support main body, wherein the neck support main body is fixed below the headrest main body through an installation frame, and the headrest main body is connected with the supporting rod through a metal plate.

According to the headrest height adjusting mechanism for the automobile seat, the neck support main body is far away from one side of the seat and is provided with the massage component, the massage component comprises a rotary disc and protrusions arranged on the rotary disc, and the two rotary discs are respectively fixed on two symmetrical sides of the neck support main body.

The utility model has the following beneficial effects:

1. the upper end of the supporting rod is fixed with the headrest, the lower end of the supporting rod is fixed with the connecting unit, and the power unit is used for providing supporting force or pulling force for the connecting unit, so that a driving piece in the height adjusting mechanism and the headrest are staggered in the height direction, and interference can be avoided;

2. when the height adjusting mechanism works, the headrest main body and the neck support main body can be driven to synchronously act;

3. the connecting part at the lower end of the supporting rod is provided with the lock spring and the locking groove, the lock spring is coated on the outer side of the locking part and can be clamped in the locking groove, the connecting block and the supporting rod can be fixed together, and the disassembly is also relatively simple.

Drawings

Fig. 1 is a schematic view of a seat structure of the present embodiment;

fig. 2 is a rear view of the seat structure of the present embodiment;

FIG. 3 is an enlarged view at A of FIG. 2;

fig. 4 is a partial schematic view of an assembling structure of the strut and the connection block according to the present embodiment.

In the figure: 100. a seat frame; 200. a headrest; 210. a headrest body; 220. a neck brace body; 221. a massage assembly; 221a, a turntable; 221b, protrusions; 230. sheet metal; 300. a height adjusting mechanism; 310. a support rod; 311. a mounting part; 312. a connection part; 312a, a locking spring; 312b, locking grooves; 320. a connecting block; 321. a locking part; 330. a lifting motor; 331. and (5) driving a screw rod.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 4, a headrest height adjustment mechanism for an automobile seat, the seat comprising a seat frame 100 and a headrest 200 provided at an upper end of the seat frame 100, the headrest 200 being provided on the seat frame 100 to be liftable by a height adjustment mechanism 300, the height adjustment mechanism 300 comprising:

the support rods 310 capable of moving up and down along the seat frame 100, the support rods 310 are movably arranged on the seat frame 100 in a penetrating manner, and the upper ends of the support rods 310 are used for fixing the headrest 200, namely, the upper ends of the support rods 310 are positioned on the upper side of the seat frame 100, and the lower ends of the support rods 310 are positioned on the lower side of the seat frame 100, so that lifting actions can be performed.

And the connecting unit is connected with the lower end of the supporting rod 310, the supporting rod 310 is in an inverted U shape as a whole, and the two ends of the lower part of the supporting rod 310 are connected together by the connecting unit, so that the simultaneous driving of the two sides is realized.

The power unit is connected with the connecting unit, and is used for providing upward supporting force or pulling force for the connecting unit, driving the connecting unit to perform lifting movement, and the driving force of the power unit acts on the connecting unit, so that the connecting unit can keep the existing position and can also be driven to move up and down, and the headrest 200 and the height adjusting mechanism 300 are respectively positioned at the upper end and the lower end of the strut 310, so that the interference of components can be avoided.

Preferably, the connection unit is set as a connection block 320, the lower end of the supporting rod 310 is connected with the connection block 320, the driving unit is set as a lifting motor 330, the lifting motor 330 is fixed on the seat frame 100, a transmission screw 331 arranged along the up-down direction of the seat is arranged on the lifting motor 330, one end of the transmission screw 331 is meshed with the connection block 320, the lifting motor 330 drives the transmission screw 331 to rotate, and the transmission screw 331 is meshed with the connection block 320 to drive the connection block 320 to move up and down, so that the supporting rod 310 can be driven to move up and down.

Further preferably, the supporting rod 310 is integrally U-shaped, and the supporting rod 310 has a mounting portion 311 located at an upper end of the supporting rod 310 and two connecting portions 312 located at a lower end of the supporting rod 310, the two connecting portions 312 are respectively connected with two ends of the connecting block 320, the transmission screw 331 is located between the two connecting portions 312, in a transmission process, forces on two sides are more uniform, and up-down lifting is more stable.

Further preferably, a moving block is disposed in the connecting block 320, the moving block is fixed in the connecting block 320 by a bolt, a threaded hole is disposed on the moving block, and the transmission screw 331 is inserted into the threaded hole and meshed with the threaded hole.

Still preferably, the connecting portion 312 is provided with a locking spring 312a and a locking groove 312b, two ends of the connecting block 320 are respectively provided with a locking portion 321, one end of the locking spring 312a is connected with the connecting portion 312, and the other end of the locking spring 312a is clamped in the locking groove 312b after passing through the locking portion 321, wherein the locking spring 312a is coated on the outer side of the locking portion 321, and the connecting portion 312 and the locking portion 321 are fixed together through coating of the locking spring 312 a.

Preferably, the headrest 200 includes a headrest body 210 and a neck support body 220, the neck support body 220 is fixed under the headrest body 210 by a mounting frame, the headrest body 210 is connected with the support rod 310 by a metal plate 230, in this embodiment, the mounting frame is a headrest 200 framework, the headrest 200 body is used for supporting the head of a human body, the neck support body 220 is used for supporting the neck of the human body, and when the support rod 310 drives the headrest body 210 to move up and down, the neck support body 220 is also driven to move up and down.

Further preferably, the neck support main body 220 is provided with a massage assembly 221 on a side far away from the seat, the massage assembly 221 includes a rotary disc 221a and protrusions 221b disposed on the rotary disc 221a, the two rotary discs 221a are respectively fixed on two symmetrical sides of the neck support main body 220, and when the neck support main body 220 supports the neck, the rotary disc 221a rotates to drive the protrusions 221b to rotate, so as to massage the neck of the human body.

The technical scheme of the utility model is explained in detail above with reference to the accompanying drawings, and the described embodiments are used for helping to understand the idea of the utility model. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. A headrest height adjustment mechanism for an automotive seat, the seat comprising a seat frame and a headrest disposed at an upper end of the seat frame, the height adjustment mechanism comprising:

the connecting unit is connected with the lower end of the supporting rod;

2. The headrest height adjusting mechanism for an automobile seat according to claim 1, wherein the connecting unit is provided as a connecting block, and the lower end of the stay is connected with the connecting block;

the power unit is arranged to be a lifting motor, the lifting motor is fixed on the seat framework, a transmission screw rod which is arranged along the up-down direction of the seat is arranged on the lifting motor, and one end of the transmission screw rod is meshed with the connecting block.

3. The headrest height adjusting mechanism for an automobile seat according to claim 2, wherein the support rod is U-shaped as a whole, and the support rod has a mounting portion at an upper end of the support rod and two connecting portions at a lower end of the support rod, the two connecting portions are respectively connected with two ends of the connecting block, and the transmission screw is located between the two connecting portions.

4. A headrest height adjustment mechanism for a vehicle seat according to claim 2 or 3, wherein a moving block is provided in the connection block, the moving block is fixed in the connection block by a bolt, a threaded hole is provided in the moving block, and the transmission screw is inserted in the threaded hole and engaged with the threaded hole.

5. A headrest height adjusting mechanism for an automobile seat according to claim 3, wherein a locking spring and a locking groove are provided on the connecting portion, a locking portion is provided at both ends of the connecting block, one end of the locking spring is connected with the connecting portion, and the other end of the locking spring is clamped in the locking groove after passing through the locking portion, wherein the locking spring is coated on the outer side of the locking portion.

6. The headrest height adjustment mechanism for an automotive seat according to claim 1, wherein the headrest comprises a headrest body and a neck brace body, the neck brace body being secured to the underside of the headrest body by a mounting bracket, the headrest body being connected to the support bar by a sheet metal.

7. The headrest height adjustment mechanism for an automobile seat according to claim 6, wherein a massage assembly is provided on a side of the neck brace body away from the seat, the massage assembly comprising a turntable and protrusions provided on the turntable, the two turntable being respectively fixed to symmetrical sides of the neck brace body.