CN216684186U - Seat headrest device and vehicle including the same - Google Patents

Abstract

The utility model relates to the technical field of seats, and particularly provides a seat headrest device and a vehicle comprising the same. In order to solve the problem that the existing seat headrest device is complicated in four-direction adjustment and inconvenient for passengers to use, the seat headrest device comprises a headrest part, a framework body, an upper and lower locking mechanism, a front and rear locking mechanism, a first guide rod fixedly arranged along the upper and lower direction and a second guide rod arranged along the front and rear direction, wherein the first guide rod and the second guide rod respectively penetrate through the framework body; the first guide rod is provided with a structure matched with the upper locking mechanism and the lower locking mechanism, and the second guide rod is provided with a structure matched with the front locking mechanism and the rear locking mechanism; the upper and lower locking mechanisms and the front and rear locking mechanisms are arranged to be locked or unlocked when sliding left and right on the framework body, so that the position of the pillow part is adjusted.

Description

Seat headrest device and vehicle including the same

Technical Field

The utility model relates to the technical field of automobiles, and particularly provides a seat headrest device and a vehicle comprising the same.

Background

The automobile seat is an important part on an automobile, and the automobile seat headrest is an important component of the automobile seat, so that safe and comfortable riding experience is provided for passengers. Along with the higher requirement of people on comfort, the traditional seat headrest only can be adjusted in the vertical direction, and the comfort requirement of most passengers cannot be met. In the prior art, the seat headrest is adjusted in four directions, so that the up-down and front-back four-direction adjustment is realized, the comfort range is expanded, but the adjustment structure of the seat headrest is very complicated, and much inconvenience is caused when a passenger adjusts the seat headrest in four directions.

Accordingly, there is a need in the art for a new seat headrest apparatus to solve the problem of the existing seat headrest apparatus that the four-way adjustment is complicated and inconvenient for the occupant.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the existing seat headrest device is complicated in four-direction adjustment and inconvenient for passengers to use.

In a first aspect, the utility model provides a seat headrest device, which comprises a headrest portion, a framework body, an up-down locking mechanism, a front-back locking mechanism, a first guide rod fixedly arranged along the up-down direction and a second guide rod arranged along the front-back direction, wherein the first guide rod and the second guide rod respectively penetrate through the framework body, the framework body can slide up and down along the first guide rod, the second guide rod can slide back and forth on the framework body, and the headrest portion is fixedly arranged on the second guide rod;

the upper and lower locking mechanisms and the front and rear locking mechanisms are arranged to be capable of sliding left and right on the framework body;

the first guide rod is provided with a structure matched with the upper and lower locking mechanisms, and the second guide rod is provided with a structure matched with the front and rear locking mechanisms, so that when the upper and lower locking mechanisms and the front and rear locking mechanisms slide left and right, the upper and lower locking mechanisms and the front and rear locking mechanisms can be locked or unlocked, and the position of the pillow part can be adjusted.

In a preferred technical solution of the seat headrest device, the number of the first guide bars is two, and the two first guide bars are respectively disposed on two sides of the frame body, and the number of the second guide bars is two between the two first guide bars.

In the preferable technical scheme of the seat headrest device, a first limiting groove is formed in the first guide rod, the upper and lower locking mechanisms comprise a first cross beam and a first limiting rod, the first limiting rod is fixedly arranged on the first cross beam along the front-back direction, the first cross beam can be arranged on the framework body in a left-right sliding mode, and a first compression spring is further arranged between the first cross beam and the framework body so that the first limiting rod is embedded into the first limiting groove.

In the preferable technical scheme of the seat headrest device, a second limiting groove is formed in the second guide rod, the front and rear locking mechanisms comprise a second cross beam and a second limiting rod, the second limiting rod is fixedly arranged on the second cross beam along the vertical direction, the second cross beam is fixedly connected with the first cross beam, the second cross beam is arranged on the framework body in a left-right sliding mode, and a second compression spring is further arranged between the second cross beam and the framework body so that the second limiting rod is embedded into the second limiting groove.

In the preferable technical scheme of the seat headrest device, the number of the second cross beams is two, the first cross beam is provided with a protrusion in the up-down direction, correspondingly, the second cross beam is provided with a groove, and the first cross beam and the second cross beam are connected in a clamping mode through the protrusion and the groove.

In the preferable technical scheme of the seat headrest device, the upper and lower locking mechanisms are further provided with an unlocking steel wire bar and a button, one end of the unlocking steel wire bar is pivotally connected with the framework body, the other end of the unlocking steel wire bar abuts against the end of the first cross beam, and the button abuts against the other end of the unlocking steel wire bar.

In the preferable technical scheme of the seat headrest device, a through waist hole is formed in the first cross beam, an installation protrusion is arranged on the framework body, the installation protrusion penetrates through the waist hole when the framework body is arranged on the first cross beam, and the installation protrusion is connected with the upper locking mechanism and the lower locking mechanism through the first compression spring.

In an optimal technical scheme of the seat headrest device, a first sliding block is arranged between the framework body and the first guide rod, a second sliding block is arranged between the framework body and the second guide rod, and the framework body is fixedly connected with the first sliding block and the second sliding block respectively.

In a preferred technical solution of the above seat headrest device, the first guide bar is provided with a first insertion hole, the up-down locking mechanism includes a third cross beam and a first insertion bar, the first insertion bar is fixedly disposed on the third cross beam along a left-right direction, the third cross beam is slidably disposed on the frame body in a left-right direction, and a third compression spring is further disposed between the third cross beam and the frame body so as to enable the first insertion bar to be embedded into the first insertion hole; and/or, be provided with the second jack on the second guide bar, front and back locking mechanism includes fourth crossbeam and second inserted bar, the second inserted bar is along left right direction fixed setting on the fourth crossbeam, but the fourth crossbeam sets up with sliding from side to side on the skeleton body still be provided with fourth pressure spring between the fourth crossbeam and the skeleton body to make the second inserted bar imbeds in the second jack.

The utility model also provides a vehicle including the seat headrest device according to any one of the above aspects.

As can be understood by those skilled in the art, the seat headrest device of the utility model comprises a headrest portion, a framework body, an up-down locking mechanism, a front-back locking mechanism, a first guide rod fixedly arranged along the up-down direction and a second guide rod arranged along the front-back direction, wherein the first guide rod and the second guide rod respectively penetrate through the framework body; the upper and lower locking mechanisms and the front and rear locking mechanisms are arranged to slide left and right on the framework body; the first guide rod is provided with a structure matched with the upper and lower locking mechanisms, and the second guide rod is provided with a structure matched with the front and rear locking mechanisms, so that the upper and lower locking mechanisms and the front and rear locking mechanisms can be locked or unlocked when sliding left and right, and the position of the pillow part can be adjusted.

Under the condition of adopting the technical scheme, the seat headrest device provided by the utility model is unlocked or locked with the first guide rod when the up-down locking mechanism slides left and right, so that the framework body can slide up and down on the first guide rod, the framework body drives the pillow part to slide up and down, the height of the pillow part in the up-down direction is adjusted, and the position is locked after the pillow part is adjusted in place. Similarly, the front and back locking mechanism is unlocked or locked with the second guide rod when sliding left and right, so that the second guide rod can slide front and back on the framework body, the second guide rod drives the pillow part to slide front and back, the distance in the front and back direction is adjusted, and the pillow part is adjusted to be in place and then is locked. The seat headrest is adjusted more simply and conveniently by the action of unlocking or locking through the left-right sliding of the upper and lower locking mechanisms and the front and rear locking mechanisms.

Drawings

Preferred embodiments of the present invention are described below with reference to the accompanying drawings, in which:

fig. 1 is a front structural view of an embodiment of a seat headrest device of the utility model;

fig. 2 is a back structural view of an embodiment of the seat headrest device of the utility model;

FIG. 3 is a connection structure of the first slider and the first guide bar, and the second slider and the second guide bar according to the present invention;

fig. 4 is a front structural view of another embodiment of the seat headrest device of the present invention.

List of reference numerals:

1. a skeleton body; 11. a chute; 12. mounting a boss; 13. a first slider; 14. a second slider; 2. an up-down locking mechanism; 21. a first cross member; 211. a waist hole; 22. a first limit rod; 23. a first hold-down spring; 24. a protrusion; 25. a third cross member; 26. a first plunger; 3. a front and rear locking mechanism; 31. a second cross member; 32. a second limiting rod; 33. a second hold-down spring; 34. a groove; 35. a fourth cross member; 36. a second plunger; 4. a first guide bar; 41. a first limit groove; 42. a first jack; 5. a second guide bar; 51. a second limit groove; 6. a button; 61. and unlocking the steel wire strip.

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, although the present application is described in connection with an automobile, such as an electric automobile or a fuel automobile, this is not limitative, and the seat headrest apparatus of the present invention may be applied to other vehicles and to other apparatuses than vehicles that require the seat headrest apparatus.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 and 2, in order to solve the problem that the existing seat headrest device is complicated in four-direction adjustment and inconvenient for passengers to use, the seat headrest device of the present invention includes a pillow portion (not shown in the figure), a frame body 1, an up-down locking mechanism 2, a front-back locking mechanism 3, a first guide rod 4 fixedly disposed along an up-down direction, and a second guide rod 5 disposed along a front-back direction, wherein the first guide rod 4 and the second guide rod 5 respectively penetrate through the frame body 1, the frame body 1 can slide up and down along the first guide rod 4, the second guide rod 5 can slide back and forth on the frame body 1, and the pillow portion is fixedly disposed on the second guide rod 5; the pillow part is of a flexible structure and is used for placing the head of a passenger, the pillow part can be sleeved on the second guide rod 5 and can also be directly fixed with the end part of the second guide rod 5, and optionally, a partition plate is arranged between the pillow part and the end part of the second guide rod 5, so that the comfort level of the pillow part is improved; the up-down locking mechanism 2 and the front-back locking mechanism 3 are arranged to slide left and right on the framework body 1; the first guide rod 4 is provided with a structure matched with the upper and lower locking mechanisms 2, and the second guide rod 5 is provided with a structure matched with the front and rear locking mechanisms 3, so that when the upper and lower locking mechanisms 2 and the front and rear locking mechanisms 3 slide left and right, the upper and lower locking mechanisms 2 and the front and rear locking mechanisms 3 can be locked or unlocked, and the position of the pillow part can be adjusted.

The setting mode has the advantages that: according to the seat headrest device, when the up-and-down locking mechanism 2 slides left and right, the seat headrest device is unlocked or locked with the first guide rod 4, so that the framework body 1 can slide up and down on the first guide rod 4, the framework body 1 drives the pillow part to slide up and down, the distance of the pillow part in the up-and-down direction is adjusted, and the position is locked after the pillow part is adjusted in place. Similarly, when sliding left and right, the front and rear locking mechanisms 3 are unlocked or locked with the second guide rods 5, so that the second guide rods 5 can slide front and rear on the framework body 1, the second guide rods 5 drive the pillow part to slide front and rear, and then the distance in the front and rear direction is adjusted and the position of the pillow part is adjusted to be locked. The upper and lower locking mechanisms 2 and the front and rear locking mechanisms 3 slide left and right to unlock or lock, so that the seat headrest is simpler to adjust and is convenient for passengers to use.

As shown in fig. 1 and 2, in one possible embodiment, two first guide rods 4 are provided, respectively provided on both sides of the skeleton body 1, and a second guide rod 5 is provided between the two first guide rods 4; the first guide rod 4 is provided with a plurality of first limiting grooves 41, the upper and lower locking mechanisms 2 comprise first cross beams 21 and first limiting rods 22, the first limiting rods 22 are arranged at two ends of the first cross beams 21, the first limiting rods 22 are fixedly arranged on the first cross beams 21 along the front and rear direction, the first cross beams 21 are arranged on the framework body 1 in a left-right sliding manner, specifically, the framework body 1 is provided with sliding grooves 11, and the first cross beams 21 are arranged in the sliding grooves 11 so as to be capable of sliding left and right along the sliding grooves 11; a through waist hole 211 is formed in the first cross beam 21, an installation bulge 12 is formed in the framework body 1, the installation bulge 12 penetrates through the waist hole 211 when the first cross beam 21 is arranged in the sliding groove 11, and the installation bulge 12 is connected with the upper and lower locking mechanisms 2 through a first compression spring 23 so that the first limiting rod 22 is embedded into one of the first limiting grooves 41;

the number of the second guide rods 5 is four, a plurality of second limit grooves 51 are formed in each second guide rod 5, the front and rear locking mechanisms 3 comprise second cross beams 31 and second limit rods 32, the second limit rods 32 are arranged at two ends of the second cross beams 31, the second limit rods 32 are fixedly arranged on the second cross beams 31 in the vertical direction, and second compression springs 33 are further arranged between the second cross beams 31 and the framework body 1, so that the second limit rods 32 are embedded into one of the second limit grooves 51. The number of the second cross beams 31 is two, the two second cross beams 31 are respectively and fixedly connected with the first cross beam 21, specifically, the first cross beam 21 is provided with a protrusion 24 in the up-down direction, correspondingly, the second cross beam 31 is provided with a groove 34, and the first cross beam 21 and the two second cross beams 31 are clamped through the protrusion 24 and the groove 34.

With continued reference to fig. 2, the up-down locking mechanism 2 is further provided with an unlocking steel wire 61 and a button 6, the button 6 is disposed outside the framework body 1, one end a of the unlocking steel wire 61 is pivotally connected with the framework body 1, the other end b abuts against the end of the first cross beam 21, and the button 6 abuts against the other end c of the unlocking steel wire 61.

The overall working process of the seat headrest device of the utility model is as follows: referring to the orientation of fig. 1, when the seat headrest apparatus is adjusted, the button 6 outside the frame body 1 is pressed, the unlocking steel wire 61 rotates to drive the first beam 21 to slide rightwards, the upper and lower locking mechanisms 2 and the front and rear locking mechanisms 3 are unlocked, that is, the first limiting rod 22 is separated from the first limiting groove 41 at this time, the first beam 21 drives the second beam 31 to slide rightwards as well, the second limiting rod 32 is separated from the second limiting groove 51, the headrest portion can be adjusted up and down and front and rear, when the headrest portion is adjusted to a proper position, the button 6 is released, the unlocking steel wire 61 rotates to the original position, the first compression spring 23 and the second compression spring 33 drive the first beam 21 and the second beam 31 to slide leftwards, the upper and lower locking mechanisms 2 and the front and rear locking mechanisms 3 are locked, that is, the first limiting rod 22 compresses the first limiting groove 41, the second limiting rod 32 compresses the second limiting groove 51, the occiput is fixed. First crossbeam 21 and second crossbeam 31 fixed connection for locking mechanism 2 from top to bottom and front and back locking mechanism 3 just can realize two locking mechanism linkage unblocks or locking through a button 6, compare in two schemes that independently set up, the structure is simpler, and it is more convenient to operate, has also reduced manufacturing cost.

Referring to fig. 2 and 4, in another possible embodiment, the structure of the limiting rod and the limiting groove in fig. 1 as a whole may be replaced with the design of the inserting rod and the inserting hole in fig. 4, that is, the first guiding rod 4 is provided with the first inserting hole 42, the up-down locking mechanism 2 includes the third cross beam 25 and the first inserting rod 26, the first inserting rod 26 is fixedly disposed on the third cross beam 25 along the left-right direction, the third cross beam 25 is slidably disposed on the framework body 1, and a third compression spring is further disposed between the third cross beam 25 and the framework body 1, so that the first inserting rod 26 is embedded into the first inserting hole 42, and the up-down locking mechanism 2 is unlocked or locked by the cooperation of the first inserting rod 26 and the first inserting hole 42. Similarly, a second insertion hole (not shown in the figure) is formed in the second guide rod 5, the front and rear locking mechanisms 3 comprise a fourth cross beam 35 and a second insertion rod 36, the second insertion rod 36 is fixedly arranged on the fourth cross beam 35 along the left-right direction, the fourth cross beam 35 can be arranged on the framework body 1 in a left-right sliding mode, a fourth compression spring is further arranged between the fourth cross beam 35 and the framework body 1, the second insertion rod 36 is embedded into the second insertion hole, and the front and rear locking mechanisms 3 are unlocked and locked through the cooperation of the second insertion rod 36 and the second insertion hole. The present invention does not limit the locking manner of the up-down locking mechanism 2 and the front-rear locking mechanism 3, and the up-down locking mechanism 2 and the front-rear locking mechanism 3 may be locked or unlocked, and may be set by a person skilled in the art as needed.

As shown in fig. 2 and 3, in one possible embodiment, a first slider 13 is disposed between the framework body 1 and the first guide rod 4, a second slider 14 is disposed between the framework body 1 and the second guide rod 5, and the framework body 1 is fixedly connected to the first slider 13 and the second slider 14 respectively.

The setting mode has the advantages that: first slider 13 makes skeleton body 1 more smooth and easy on first guide bar 4 slip, is difficult for the card shell, and second slider 14 is the same for the slip of second guide bar 5 on skeleton body 1 is more smooth and easy.

It should be noted that the above-mentioned embodiments are only used for illustrating the principle of the present invention, and are not intended to limit the protection scope of the present invention, and those skilled in the art can modify the above-mentioned structure so that the present invention can be applied to more specific application scenarios without departing from the principle of the present invention.

For example, in an alternative embodiment, the number of the first beams 21 may be one or more, for example three or four; the number of the second beams 31 may be one or more, for example, two or six, so that there is no limitation on the number of the first beams 21 and the second beams 31, which does not depart from the principle of the present invention, and thus, the present invention shall fall within the protection scope of the present invention.

For example, in an alternative embodiment, the first cross member 21 and the second cross member 31 may be connected by a bolt or a hook, so that the connection manner between the first cross member 21 and the second cross member 31 is not limited in any way as long as the first cross member 21 and the second cross member 31 can be fixedly connected, which does not depart from the principle of the present invention and therefore falls within the protection scope of the present invention.

Further, the present invention provides a vehicle having the seat headrest device described in any one of the above embodiments.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims (10)

1. A seat headrest device is characterized by comprising a headrest portion, a framework body, an upper and lower locking mechanism, a front and rear locking mechanism, a first guide rod fixedly arranged along the upper and lower directions and a second guide rod arranged along the front and rear directions, wherein the first guide rod and the second guide rod respectively penetrate through the framework body;

the upper and lower locking mechanisms and the front and rear locking mechanisms are arranged to be capable of sliding left and right on the framework body;

the first guide rod is provided with a structure matched with the upper and lower locking mechanisms, and the second guide rod is provided with a structure matched with the front and rear locking mechanisms, so that when the upper and lower locking mechanisms and the front and rear locking mechanisms slide left and right, the upper and lower locking mechanisms and the front and rear locking mechanisms can be locked or unlocked, and the position of the pillow part can be adjusted.

2. The seat headrest apparatus according to claim 1, wherein the first guide bar is provided in two, respectively provided on both sides of the frame body, and the second guide bar is provided between the two first guide bars.

3. The seat headrest device according to claim 2, wherein the first guide bar is provided with a first limit groove, the up-down locking mechanism includes a first cross member and a first limit bar, the first limit bar is fixedly disposed on the first cross member along a front-back direction, the first cross member is slidably disposed on the frame body in a left-right direction, and a first compression spring is disposed between the first cross member and the frame body so as to allow the first limit bar to be inserted into the first limit groove.

4. The seat headrest apparatus according to claim 3, wherein a second stopper groove is provided in the second guide bar, the front-rear lock mechanism includes a second cross member and a second stopper bar, the second stopper bar is fixedly provided on the second cross member in an up-down direction, the second cross member is fixedly connected to the first cross member, and the second cross member is provided on the frame body so as to be slidable left and right, and a second compression spring is further provided between the second cross member and the frame body so that the second stopper bar is fitted into the second stopper groove.

5. The seat headrest apparatus according to claim 4, wherein there are two second cross members, the first cross member has a protrusion in the vertical direction, and the second cross member has a groove, and the first cross member and the two second cross members are engaged with each other by the protrusion and the groove.

6. The headrest apparatus for seats according to claim 3, wherein an unlocking wire bar and a button are further provided on the up-down locking mechanism, the unlocking wire bar is pivotally connected to the frame body at one end, the other end abuts against an end of the first beam, and the button abuts against the other end of the unlocking wire bar.

7. The seat headrest apparatus according to claim 3, wherein a waist hole is provided through the first cross member, a mounting protrusion is provided on the frame body, the mounting protrusion passes through the waist hole when the first cross member is disposed on the frame body, and the mounting protrusion is connected to the vertical locking mechanism through the first compression spring.

8. The seat headrest device according to claim 1, wherein a first slider is provided between the frame body and the first guide bar, a second slider is provided between the frame body and the second guide bar, and the frame body is fixedly connected to the first slider and the second slider, respectively.

9. The seat headrest apparatus according to claim 2, wherein the first guide bar is provided with a first insertion hole, the up-down locking mechanism includes a third cross member and a first insertion bar, the first insertion bar is fixedly disposed on the third cross member along a left-right direction, the third cross member is slidably disposed on the frame body in a left-right direction, and a third compression spring is disposed between the third cross member and the frame body so as to allow the first insertion bar to be inserted into the first insertion hole; and/or, be provided with the second jack on the second guide bar, front and back locking mechanism includes fourth crossbeam and second inserted bar, the second inserted bar is along left right direction fixed setting on the fourth crossbeam, but the fourth crossbeam sets up with sliding from side to side on the skeleton body still be provided with fourth pressure spring between the fourth crossbeam and the skeleton body to make the second inserted bar imbeds in the second jack.

10. A vehicle characterized in that the vehicle is provided with the seat headrest device according to any one of claims 1 to 9.

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