CN215244486U

CN215244486U - Headrest lifting guide seat mechanism of automobile seat

Info

Publication number: CN215244486U
Application number: CN202120260870.8U
Authority: CN
Inventors: 吴雪怡; 张朝英
Original assignee: Zhengzhou Yeju Auto Parts Co ltd
Current assignee: Zhengzhou Yeju Auto Parts Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-12-21
Anticipated expiration: 2031-01-29

Abstract

The utility model provides a headrest lifting guide seat mechanism of an automobile seat, which comprises a height adjusting mechanism which is arranged on a backrest and used for adjusting the height of a headrest, wherein the backrest is of a hollow structure, a support rod which is used for supporting the height adjusting mechanism is transversely arranged in the backrest, a limit groove which is opened towards the headrest is arranged on the side surface of the backrest corresponding to the headrest, a first loop bar is arranged in the limit groove, a second loop bar is inserted into one end of the first loop bar, one end of the second loop bar is arranged on the headrest, the support rod can ensure that a lead screw can normally rotate and keep the lead screw stable, as a nut is fixedly arranged in the headrest, and the first loop bar and the second loop bar are arranged in the limit groove arranged on the backrest, the first loop bar and the second loop bar play a limiting role on the headrest, and the lead screw is in threaded connection with the nut, the screw rod rotates to drive the headrest to be adjusted up and down, and the operation is simple, convenient and fast, so that the purpose of convenient use is achieved.

Description

Headrest lifting guide seat mechanism of automobile seat

Technical Field

The utility model relates to a car seat technical field, concretely relates to car seat headrest leads seat mechanism that goes up and down.

Background

Along with the car gets into the family gradually, makes it receive people's favor more and more as a tool of riding instead of walk, when driving the car or having a rest in the car, all can adjust the headrest to suitable position to be convenient for drive the car or have a rest.

At present, general car seat all includes back and headrest, the headrest inserts the back through the form of double bolt, the draw-in groove has been seted up on the outer peripheral face of bolt, pull up the headrest upwards through pressing the button and adjust this from top to bottom, but the headrest is very difficult to extract when upwards extracting, because the button is very little and need press two buttons simultaneously and just can make the headrest upwards extract, some people's hand can press two buttons by one hand greatly, it is very unsmooth when another hand upwards adjusts the headrest, some people's hand is little can not press two buttons by one hand, when adjusting the height of headrest under this condition, it is very inconvenient, therefore this kind of mode of adjusting the headrest up-and-down through bolt and button is not convenient to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car seat headrest leads seat mechanism goes up and down, aims at solving among the prior art and carries out the not convenient to use's problem of this kind of mode of adjustment about going on the headrest through bolt and button.

In order to achieve the above object, the utility model discloses the technical scheme that seat mechanism adopted is led in car seat headrest lift is:

the automobile seat headrest lifting guide seat mechanism comprises a height adjusting mechanism which is used for being arranged on a backrest and used for adjusting the height of a headrest, wherein the backrest is of a hollow structure, a supporting rod which is used for supporting the height adjusting mechanism is transversely arranged in the backrest, a limiting groove with an opening facing the headrest is formed in the side face, corresponding to the headrest, of the backrest, a first loop bar is arranged in the limiting groove, a second loop bar is inserted into one end of the first loop bar, and one end of the second loop bar is arranged on the headrest.

Preferably, height adjusting mechanism is used for providing the action wheel of power and the rotation portion that is used for rotating the action wheel to height adjusting mechanism including vertically setting up in the back, be provided with the lead screw that extends along upper and lower direction on the bracing piece, the one end and the bracing piece of lead screw rotate to be connected, and the other end extends to in the headrest, the cover is equipped with on the lead screw that is located the back and is used for lead screw pivoted from the driving wheel with the action wheel meshing, the nut has been linked firmly in the headrest, lead screw threaded connection that is located the headrest is on the nut.

Preferably, the rotation portion includes the power pole that transversely sets up on the back and run through the back, the one end of power pole extends to in the back and sets up on the action wheel, and the other end is located outside the back, the power pole is located one of the back outer and is served and be provided with the rolling disc, the one end setting that the power pole is located the back is on height adjusting mechanism.

Preferably, the driven wheel and the support rod are spaced apart from each other.

Preferably, the number of the limiting grooves is two, and the two limiting grooves are symmetrically arranged by taking the screw rod as a center.

The utility model has the advantages that: when needs are adjusted the headrest, can be through rotatory rolling disc, take the power pole to rotate, the power pole drives the action wheel, the action wheel drives from the driving wheel, it rotates to drive the lead screw from the driving wheel, the lead screw rotates and connects on the bracing piece, the bracing piece can guarantee that the lead screw can be normal rotatory and make the lead screw remain stable, because the nut is fixed the setting in the headrest, and the spacing inslot of seting up on the back is provided with first loop bar and second loop bar, first loop bar and second loop bar play spacing effect to the headrest, the lead screw is threaded connection with the nut, the lead screw rotates and drives the headrest and carry out the adjustment from top to bottom, and the operation is simple, high convenience and quickness, therefore, the purpose of facilitating the use is realized.

Drawings

FIG. 1 is a front view of an embodiment of a headrest raising and lowering guide mechanism of an automobile seat according to the present invention;

FIG. 2 is a side sectional view of an embodiment of the headrest raising and lowering guide mechanism of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a backrest; 2. a headrest; 3. a height adjustment mechanism; 301. a driving wheel; 302. a lead screw; 303. a driven wheel; 304. a nut; 4. a rotating part; 401. a power rod; 402. rotating the disc; 5. a support bar; 6. a limiting groove; 7. a first loop bar; 8. a second loop bar.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses car seat headrest lift guide mechanism's concrete embodiment, as shown in fig. 1 to 3, car seat headrest lift guide mechanism, including being used for setting up on back 1 with highly adjusting mechanism 3 to the adjustment of headrest 2, back 1 is hollow structure, transversely is provided with the bracing piece 5 that is used for carrying out the support to height adjusting mechanism 3 in the back 1, sets up opening towards the spacing groove 6 of headrest 2 on back 1 and the corresponding side of headrest 2, is provided with first loop bar 7 in the spacing groove 6, and the one end of first loop bar 7 is pegged graft and is had second loop bar 8, and the one end of second loop bar 8 sets up on headrest 2.

In this embodiment, height adjusting mechanism 3 is used for providing the action wheel 301 of power and the rotation portion 4 that is used for rotating action wheel 301 including vertically setting up in back 1 to height adjusting mechanism 3, be provided with the lead screw 302 that extends along upper and lower direction on the bracing piece 5, the one end and the bracing piece 5 of lead screw 302 rotate to be connected, the other end extends to in the headrest 2, the cover is equipped with on the lead screw 302 that is located back 1 and is used for lead screw 302 pivoted from driving wheel 303 with action wheel 301 meshing, the nut 304 has been linked firmly in the headrest 2, lead screw 302 threaded connection that is located headrest 2 is on nut 304.

In this embodiment, the rotating portion 4 includes a power rod 401 transversely disposed on the backrest 1 and penetrating through the backrest 1, one end of the power rod 401 extends into the backrest 1 and is disposed on the driving wheel 301, the other end is located outside the backrest 1, one end of the power rod 401 located outside the backrest 1 is provided with a rotating disc 402, and one end of the power rod 401 located inside the backrest 1 is disposed on the height adjusting mechanism 3.

In this embodiment, the driven wheel 303 and the support rod 5 have a gap therebetween.

In this embodiment, the number of the limiting grooves 6 is two, and the two limiting grooves 6 are symmetrically arranged with the screw 302 as the center.

The utility model discloses a theory of operation is: when needs are adjusted headrest 2, can be through rotatory rolling disc 402, it rotates to drive power rod 401, power rod 401 drives action wheel 301, action wheel 301 drives from driving wheel 303, it rotates to drive lead screw 302 from driving wheel 303, lead screw 302 rotates and connects on bracing piece 5, bracing piece 5 can guarantee that lead screw 302 can be normal rotatory and make lead screw 302 remain stable, because nut 304 is fixed to be set up in headrest 2, and be provided with first sleeve rod 7 and second sleeve rod 8 in the spacing groove 6 that sets up on the back 1, first sleeve rod 7 plays spacing effect to headrest 2 with second sleeve rod 8, lead screw 302 is threaded connection with nut 304, lead screw 302 rotates and drives headrest 2 and carries out the adjustment from top to bottom, and is simple in operation, and high convenience and fastness, therefore, the purpose of facilitating the use is realized.

In other embodiments, the rotating disc can be replaced by a telescopic rotating handle, and a handle groove for placing the rotating handle is formed in the backrest at the rotating handle.

In other embodiments, the nut can be eliminated, and the headrest is provided with a through hole for the screw rod to extend out of the headrest, and the through hole is a threaded hole.

Claims

1. The utility model provides a car seat headrest leads a mechanism that goes up and down which characterized in that: including being used for setting up the high adjustment mechanism who adjusts in order to the height of headrest on the back, the back is hollow structure, transversely be provided with the bracing piece that is used for carrying out the support to high adjustment mechanism in the back, set up the spacing groove of opening towards the headrest on back and the corresponding side of headrest, the spacing inslot is provided with first loop bar, and the one end of first loop bar is pegged graft and is had the second loop bar, the one end setting of second loop bar is on the headrest.

2. The headrest lift guide mechanism for automobile seats according to claim 1, wherein: height adjusting mechanism is used for providing the action wheel of power and the rotation portion that is used for rotating the action wheel to height adjusting mechanism including vertically setting up in the back, be provided with the lead screw that extends along upper and lower direction on the bracing piece, the one end and the bracing piece of lead screw rotate to be connected, and the other end extends to in the headrest, the cover is equipped with on the lead screw that is located the back and is used for lead screw pivoted from the driving wheel with the action wheel meshing, the nut has been linked firmly in the headrest, lead screw threaded connection that is located the headrest is on the nut.

3. The headrest lift guide mechanism for automobile seats according to claim 2, wherein: the rotation portion is including transversely setting up the power pole on the back and running through the back, the one end of power pole extends to in the back and sets up on the action wheel, and the other end is located outside the back, the power pole is located one of the back outer and serves and be provided with the rolling disc, the one end setting that the power pole is located the back is on high adjustment mechanism.

4. The headrest lift guide mechanism for automobile seats according to claim 3, wherein: and a space is arranged between the driven wheel and the supporting rod.

5. The headrest lift guide mechanism for automobile seats according to claim 1, wherein: the quantity of spacing groove is two, two the spacing groove uses the lead screw to be symmetrical setting as the center.