CN212861193U

CN212861193U - Vehicle side headrest

Info

Publication number: CN212861193U
Application number: CN202021805245.9U
Authority: CN
Inventors: 李亮; 李奋和; 李奋平
Original assignee: Shijiazhuang Laina Technology Co ltd
Current assignee: Shijiazhuang Laina Technology Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-04-02
Anticipated expiration: 2030-08-26

Abstract

The utility model provides a vehicle-mounted side headrest, which comprises a connecting frame which is detachably and fixedly connected with a vehicle backrest, and two neck protection plates which are respectively rotated at the two ends of the upper end of the connecting frame, wherein the neck protection plates have the up-and-down swinging relative to the backrest under the driving of external force; the neck guard is characterized by further comprising a positioning mechanism which is arranged on the connecting frame and used for rotatably positioning the neck guard. On-vehicle side headrest, can dismantle through the head rest inserted bar with link and vehicle and be connected, and then the dismouting of the link of can being convenient for, and set up respectively at the link both ends and protect the neck board, should protect the neck board and can form the side stay to human head, and will protect the neck board and set up to the luffing motion and can make the passenger adjust the height of protecting the neck board according to oneself custom, and positioning mechanism can realize the rotation unblock to protecting the neck board through the operation that adopts the push type, and convenient operation, convenient to use has better practicality.

Description

Vehicle side headrest

Technical Field

The utility model relates to an automobile back cushion technical field, in particular to on-vehicle side is by headrest.

Background

In the current social life, household automobiles are quite popular, and people often choose automobiles to go out when going out, especially on long-distance trips. In the long-time driving process, copilot and back row seat passenger often need sleep or have a rest, in order to guarantee passenger's travelling comfort, have a side sleeping back cushion who is fixed in on vehicle head rest inserted bar among the current structure, this side sleeping back cushion has the rib board that is located the head left and right sides, and this rib board can form the side stay to one side of human head, avoids the long-time atress of neck. However, the angle of the neck guard in the existing structure can not be adjusted, on one hand, the neck guard can not be adjusted according to the head heights of different passengers, and on the other hand, the neck guard can not be folded to occupy space when not in use.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a headrest is leaned on to on-vehicle side to can be convenient for the angle modulation of neck guard, and have better result of use.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a vehicle-mounted side headrest comprises a connecting frame which is detachably and fixedly connected with a headrest inserting rod of a vehicle, and two neck protection plates which are respectively rotated at two ends of the upper end of the connecting frame, wherein the neck protection plates swing up and down relative to the backrest of the vehicle under the driving of external force; still including locating on the link, in order right the neck guard carries out the positioning mechanism who rotates the location to under the pressing of external force, positioning mechanism constitutes to the rotation unblock of neck guard.

Further, the link side has linked firmly the clamp, the link via the clamp link firmly in on the inserted bar of vehicle back.

Furthermore, a lightening hole is formed on the connecting frame.

Further, the connecting frame is in an arch shape.

Furthermore, the outer surface of the neck guard plate is wrapped with memory cotton.

Further, in the both ends of link have linked firmly the axle sleeve respectively, in axle sleeve internal rotation location has the rotation portion, in it extends to link firmly in the rotation portion the outside axis body of axle sleeve, protect the neck board and link firmly in being located on the outside axis body of axle sleeve.

Furthermore, the positioning mechanism comprises a first inner gear fixed in the shaft sleeve and arranged adjacent to the rotating part, and an outer gear which is arranged in the shaft sleeve in a sliding mode and always keeps in inserted engagement with the rotating part, and the outer gear is engaged with or disengaged from the first inner gear in an inserted manner under the driving of external force.

Furthermore, the positioning mechanism further comprises a guide seat which is sleeved in the shaft sleeve on the other side of the first internal gear in a sliding manner relative to the rotating part, a front end cover which can limit the sliding of the guide seat is detachably and fixedly connected to the end part of the shaft sleeve, and a pressing block which extends to the outside of the front end cover is fixedly connected to the guide seat.

Furthermore, an elastic part is arranged between the first internal gear and the guide seat.

Compared with the prior art, the utility model discloses following advantage has:

(1) on-vehicle side headrest, can dismantle through the head rest inserted bar with link and vehicle and be connected, and then the dismouting of link of can being convenient for, and set up respectively at the link both ends and protect the neck board, should protect the neck board and can form the side stay to human head, travelling comfort when improving the sleep, but and will protect the neck board and set up to the luffing motion and can make the passenger adjust the height of protecting the neck board according to oneself custom, and accessible positioning mechanism rotates the location to protecting the neck board, and positioning mechanism can realize the rotation unblock to protecting the neck board through the operation that adopts the push type, and convenient operation, high durability and convenient use has better practicality.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a vehicle-mounted side headrest according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a positioning mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a shaft sleeve according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 from another perspective;

fig. 5 is a schematic view illustrating a connection between the rotating part and the shaft according to an embodiment of the present invention;

fig. 6 is a schematic view illustrating a connection between a guide seat and an external gear according to an embodiment of the present invention;

description of reference numerals:

1-connecting frame, 2-neck guard, 201-connecting arm, 3-lightening hole, 4-hoop, 401-notch, 402-extension plate, 5-shaft sleeve, 6-rotating part, 7-shaft body, 8-rear end cover, 801-through hole, 9-first internal gear, 10-external gear, 11-end plate, 12-guide seat, 13-front end cover, 1301-second through hole, 14-connecting rod, 15-pressing block and 16-elastic piece.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to an on-vehicle side headrest, as shown in fig. 1, it includes and constitutes connecting frame 1 that can dismantle the link firmly with the vehicle headrest inserted bar to and rotate respectively and locate two neck guard 2 of connecting frame 1 upper end department, under the driving of external force, this neck guard 2 has the luffing motion for the vehicle back. In a concrete structure, the connecting frame 1 is in a bow shape, two ends of the connecting frame are tilted upwards, the middle of the connecting frame is slightly thick, and lightening holes 3 are formed in the middle of the connecting frame 1, so that the strength is ensured, and the connecting frame can be reliably connected with the headrest insertion rod through the connecting piece. In order to facilitate the connection frame 1 to be fixedly connected with the headrest inserted bar, in the embodiment, one side of the connection frame 1 is fixedly connected with the clamp 4 capable of being elastically clamped, a notch 401 which can enable the clamp 4 to be opened under the action of external force is arranged on the clamp 4, extension plates 402 are fixedly connected to two ends of the clamp 4 respectively, a connection hole is formed in the extension plate 402, the clamp 2 can be sleeved on the inserted bar of the backrest when being connected, and then the clamp 4 can be locked by penetrating the connection hole through a bolt pair. In order to improve the fixing effect, the two clips 4 are provided on the connecting frame 1 corresponding to the backrest inserting rods in the embodiment.

The parcel of 2 surface of rib in this embodiment has the memory cotton that is not shown in the figure, in order to improve the travelling comfort of head back cushion, in order to facilitate the rotation of rib 2 and link 1 to be connected, combine fig. 2 to 5 by fig. 1 to show, integrated into one piece has linking arm 201 on rib 2 in this embodiment, link firmly axle sleeve 5 respectively at the both ends of link 1 simultaneously, and at 5 internal rotation covers of axle sleeve there is rotation portion 6, and link firmly the axis body 7 that extends to 5 outsides of axle sleeve on rotation portion 6, and rib 2 then links firmly on lieing in 5 outside axis body 7 of axle sleeve through linking arm 201, and link firmly the rear end cap 8 that prevents rotation portion 6 and deviate from at the one end detachable of axle sleeve 5, and be formed with the via hole 801 that supplies axis body 7 to rotate to wear out on rear end cap 8. Meanwhile, the rear end cover 8 and a first internal gear which is described below can form a limit for the axial movement of the rotating part 6 along the shaft sleeve 5, so that the rotating part 6 can only form the rotating motion with the center line of the rotating part as the axis.

In order to lock the rotation angle of the neck guard 2, the vehicle-mounted headrest further comprises a positioning mechanism which is arranged on the connecting frame 1 and used for rotationally positioning the neck guard 2, as shown in fig. 2 and fig. 4 and 6, the positioning mechanism comprises a first inner gear 9 which is fixed in the shaft sleeve 5 and is arranged adjacent to the rotating part 6, the first inner gear 9 can be integrally formed with the shaft sleeve 5, the positioning mechanism further comprises an outer gear 10 which is slidably arranged in the shaft sleeve 5 and is always in inserted engagement with the rotating part 6, and under the driving of external force, the outer gear 10 is inserted into the first inner gear 9 or is separated from the first inner gear 9 for being in inserted engagement. In this embodiment, the external gear 10 and the inner ring of the rotating portion 6 are always kept in inserted engagement, so that the external gear 10 and the rotating portion 6 rotate synchronously, and since the first internal gear 9 is fixedly connected with the shaft sleeve 5, when the external gear 10 and the first internal gear 9 are engaged in an inserted manner, the first internal gear 9 bears the torque of the rotating portion 6 and prevents the rotating portion 6 from rotating, so that the neck guard 2 is locked in rotation, and when the external gear 10 and the first internal gear 9 are disengaged, the first internal gear 9 cannot bear the torque of the rotating portion 6, that is, the rotating portion 6 is not limited to rotate any more, and at this time, the neck guard 2 rotates to a proper angle by walking and swinging.

In the above structure, in order to facilitate the rotation portion 6 to form the insertion engagement with the external gear 10, the rotation portion 6 is a second internal gear having the same structure as the first internal gear 9, and in order to facilitate the shaft body 7 to be fixedly connected with the rotation portion 6, an end plate 11 is fixedly connected to the end portion of the rotation portion 6 in this embodiment, so that the shaft body 7 is fixedly connected to the end plate by welding and is arranged on the same center line with the rotation portion 6.

In order to facilitate the driving of the external gear 10 to slide along the shaft sleeve 5, the positioning mechanism in this embodiment further includes a guide seat 12 slidably fitted to the other side of the first internal gear 9 in the shaft sleeve 5 with respect to the rotating portion 6, and a connecting rod 14 is welded between the guide seat 12 and the external gear 10, so that the guide seat 12 and the external gear 10 are spaced apart from each other. In order to prevent the guide seat 12 from being removed from the shaft sleeve 5, in this embodiment, a front end cover 13 is also detachably and fixedly connected to the other end of the shaft sleeve 5 relative to the rear end cover 8 (in this embodiment, the front end cover 13 and the rear end cover 8 are both fixedly connected to the end portion of the shaft sleeve 5 through bolts), and the front end cover 13 constitutes a limit for the guide seat 12.

In the embodiment, the thicknesses of the external gear 10, the first internal gear 9 and the rotating part 6 are set to be equal, and the thicknesses are represented by m, when the external gear 10 abuts against the end plate 11, the external gear 10 is completely separated from the first internal gear 9 and completely coincides with the rotating part 6, and at this time, the distance L between the guide seat 12 and the front end cover 13 is m/2, so when the front end cover 13 of the guide seat 12 abuts against, the external gear 10 moves m/2 towards the first internal gear 9, and at this time, the external gear 10, the first internal gear 9 and the rotating part 6 simultaneously form insertion engagement. Meanwhile, when the guide holder 12 is brought into abutment with the front cover 13, the distance h between the guide holder 12 and the first internal gear 9 is greater than m/2, so that the guide holder 12 is prevented from interfering with the first internal gear 9 before the external gear 10 is disengaged from the first internal gear 9. Of course, the distance h between the shoe 12 and the first internal gear 9 in this embodiment also needs to be taken into consideration according to the spring length described below in order to have enough space for the spring to compress and expand.

Of course, the rotating portion 6 of the present embodiment may adopt other structures besides the second internal gear, for example, the rotating portion 6 may also adopt a cylindrical structure, and a plurality of insertion holes are formed on the rotating portion 6, and a plurality of plugs inserted into the insertion holes are formed on the external gear 10, so that torque transmission between the rotating portion and the external gear 10 is realized by the insertion of the plugs and the insertion holes, and rotational positioning or rotational unlocking of the rotating portion 6 is realized by engagement or disengagement of the external gear 10 and the first internal gear 9.

In order to facilitate the pressing operation of the guide holder 12, as shown in fig. 2, 4 and 6, in this embodiment, a pressing block 15 extending to the outside of the front end cover 13 is fixedly connected to the guide holder 12, and a second through hole 1301 through which the pressing block 15 passes is formed on the front end cover 13. Meanwhile, in order to ensure that the pressing block 15 can be returned when the external force is removed, so that the external gear 10 retreats to be inserted into and engaged with the first internal gear 9 again, an elastic member 16 for elastically pushing the guide holder 12 is provided between the first internal gear 9 and the guide holder 12 in this embodiment, and the elastic member 16 may be a spring.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A vehicle-mounted side headrest, characterized in that: the vehicle neck guard device comprises a connecting frame which is detachably and fixedly connected with a vehicle headrest inserting rod, and two neck guard plates which are respectively rotated at two ends of the connecting frame, wherein the neck guard plates can swing up and down relative to a vehicle backrest under the driving of external force; still including locating on the link, in order right the neck guard carries out the positioning mechanism who rotates the location to under the pressing of external force, positioning mechanism constitutes to the rotation unblock of neck guard.

2. The vehicle side headrest according to claim 1, characterized in that: the side part of the connecting frame is fixedly connected with a hoop, and the connecting frame is fixedly connected to an inserted link of the vehicle backrest through the hoop.

3. The vehicle side headrest according to claim 1, characterized in that: and a lightening hole is formed on the connecting frame.

4. The vehicle side headrest according to claim 1, characterized in that: the connecting frame is in an arch shape.

5. The vehicle side headrest according to claim 1, characterized in that: the outer surface of the neck guard plate is wrapped with memory cotton.

6. The vehicle-mounted headrest as claimed in any one of claims 1 to 5, wherein: the neck guard is characterized in that shaft sleeves are fixedly connected to two ends of the connecting frame respectively, a rotating portion is rotatably positioned in the shaft sleeves, a shaft body extending to the outside of the shaft sleeves is fixedly connected to the rotating portion, and the neck guard is fixedly connected to the shaft body located on the outside of the shaft sleeves.

7. The vehicle side headrest according to claim 6, wherein: the positioning mechanism comprises a first inner gear fixed in the shaft sleeve and arranged adjacent to the rotating part, and an outer gear which is arranged in the shaft sleeve in a sliding mode and always keeps inserted and meshed with the rotating part, and the outer gear and the first inner gear are inserted and meshed or separated and meshed under the driving of external force.

8. The vehicle side headrest of claim 7, wherein: the positioning mechanism further comprises a guide seat which is sleeved in the shaft sleeve on the other side of the first internal gear in a sliding mode relative to the rotating part, a front end cover which limits the guide seat in a sliding mode is detachably and fixedly connected to the end part of the shaft sleeve, and a pressing block which extends to the outside of the front end cover is fixedly connected to the guide seat.

9. The vehicle-mounted side headrest according to claim 8, characterized in that: an elastic part is arranged between the first internal gear and the guide seat.