Four-way headrest and vehicle

Abstract

The utility model relates to the technical field of automobile accessories, and provides a four-way headrest and a vehicle, and the four-way headrest comprises a body framework connected to an automobile seat; the connecting assembly is connected to the body framework; the supporting assembly is movably arranged on the connecting assembly; the first driving piece is connected to the connecting assembly; and the second driving piece is connected to the body framework. Compared with the prior art, the utility model has the advantages that the connecting component is movably connected with the body framework, and the movement of the connecting component is realized through the second driving piece; the supporting assembly is movably connected with the connecting assembly, movement of the supporting assembly is achieved through the first driving part, front-back and up-down movement of the four-way headrest relative to the automobile seat is achieved, and therefore the using requirements of passengers are met.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a four-way headrest and a vehicle. Background Art

[0002] A car headrest is a device installed on the top of a car seat, primarily used to improve passenger comfort and safety. It provides support for the head and neck, alleviating fatigue during long drives or rides, and reducing injuries to the passenger's neck and head in the event of a traffic accident, especially a rear-end collision.

[0003] Existing car headrests can be divided into fixed and movable types. Fixed headrests are mostly used in buses. The headrest is inseparable from the seat and the angle is relatively fixed. Movable headrests are more commonly used in cars. They can adapt to the passenger's head or neck by adjusting the height between the headrest and the seat, providing support for the passenger's head and neck while improving passenger comfort. Existing adjustable headrests are mostly only adjustable in height, that is, the headrest can only move up and down relative to the seat, which cannot meet the more extensive usage needs of passengers. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a four-way headrest and a vehicle in view of the current status of the existing technology.

[0005] The technical solution adopted by the present invention to solve the above technical problems is to provide a four-way headrest, which has at least a first moving state of moving up and down relative to the car seat and a second moving state of moving forward and backward relative to the car seat. The four-way headrest includes:

[0006] a body frame connected to the car seat;

[0007] a connecting assembly connected to the main body frame and movable relative to the main body frame, wherein the four-way headrest can be in the second movable state due to the movement of the connecting assembly relative to the main body frame;

[0008] a support assembly movably disposed on the connecting assembly for providing support for a passenger on the vehicle seat, the support assembly being movable relative to the connecting assembly, the four-way headrest being in the first movable state due to the movement of the support assembly relative to the connecting assembly;

[0009] a first driving member connected to the connecting assembly and configured to drive the supporting assembly to move relative to the connecting assembly;

[0010] The second driving member is connected to the main body frame and is used to drive the connecting assembly to move relative to the main body frame.

[0011] In the four-way headrest, the first driving member comprises:

[0012] a first actuator;

[0013] a first screw rod connected to an output end of the first actuator, the first actuator being used to drive the first screw rod to rotate;

[0014] a connecting block sleeved outside the first screw rod and threadedly connected with the first screw rod;

[0015] an adjusting gear rotatably connected to the connecting block;

[0016] a first tooth part provided on the connecting assembly and movably engaged with the adjusting gear;

[0017] a second tooth part provided on the supporting assembly, the second tooth part being oppositely arranged with the first tooth part and movably engaged with the adjusting gear.

[0018] In the four-way headrest, the adjusting gear has two parts arranged on two sides of the connecting block, and the adjusting gear is rotatably connected to the connecting block along an axial direction thereof by means of bolts.

[0019] In the four-way headrest, the connecting assembly comprises a connecting framework, a decorative shell and a guide rod provided on the connecting framework, the connecting framework is movably sleeved outside the body framework, the decorative shell is sleeved outside the connecting framework and is used to hide the automobile seat and the four-way headrest, the guide rod is movably inserted into the body framework, the first actuator and the second tooth part are both connected to the connecting framework, and the other end of the first screw rod penetrates through the connecting framework and is rotatably connected to the decorative shell.

[0020] In the four-way headrest, the supporting assembly comprises:

[0021] a cover plate movably connected with the decorative shell;

[0022] a cover plate framework provided at an end of the cover plate away from the decorative shell;

[0023] a headrest body provided at a side of the cover plate framework away from the cover plate.

[0024] In the four-way headrest, a guide inclined groove extending along a height direction of the automobile seat is provided on the cover plate, a guide part adapted to the guide inclined groove is provided on the decorative shell, the guide part is movably inserted into the guide inclined groove, and the guide part is used to guide the movement of the supporting assembly relative to the connecting assembly.

[0025] In the above-mentioned four-way headrest, the decorative shell and the cover plate are both made of plastic, a metal gasket is embedded in the decorative shell, a metal frame is embedded in the cover plate, and the decorative shell is connected to the connecting frame by bolts passing through the metal gasket.

[0026] In the above-mentioned four-way headrest, the second driving member includes:

[0027] Second actuator;

[0028] The second screw rod is movably connected to the output end of the second actuator, and one end of the second screw rod is rotatably connected to the first tooth portion.

[0029] In the above-mentioned four-way headrest, the main body frame is provided with threaded holes for connecting the main body frame to the car seat.

[0030] The utility model solves the above technical problem and further provides a vehicle, comprising the above four-way headrest.

[0031] Compared with the existing technology, the advantages of the present invention are that by making the connecting component movably connected to the main body frame and realizing the movement of the connecting component through the second driving member; by making the support component movably connected to the connecting component and realizing the movement of the support component through the first driving member, the four-way headrest can be moved forward, backward, up and down relative to the car seat, thereby meeting the usage needs of the passengers. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a three-dimensional diagram of a four-way headrest of the present utility model;

[0033] Figure 2 yes Figure 1 Floor plan in;

[0034] Figure 3 yes Figure 2 Cross-sectional view along the AA axis;

[0035] Figure 4 This is a plan view of the four-way headrest of the present invention when it is close to the car seat;

[0036] Figure 5 yes Figure 4 Cross-sectional view along the BB direction;

[0037] Figure 6 is a partial cross-sectional view of the support assembly;

[0038] Figure 7 It is a cross-sectional view of the connection component and the support component when connected;

[0039] Figure 8 It is a three-dimensional diagram of the structure of the first driving member and the supporting assembly.

[0040] In the figure, 100, main body frame; 110, threaded hole; 200, connecting assembly; 210, connecting frame; 220, decorative shell; 221, guide part; 222, metal gasket; 230, guide rod; 300, support assembly; 310, cover plate; 311, guide bevel; 312, metal frame; 320, cover plate frame; 330, headrest body; 400, first driving member; 410, first actuator; 420, first screw rod; 430, connecting block; 440, first tooth portion; 450, second tooth portion; 460, adjusting gear; 500, second driving member; 510, second actuator; 520, second screw rod. DETAILED DESCRIPTION

[0041] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0042] like Figures 1 to 8 As shown, in this solution, the application of the four-way headrest in the vehicle and the specific structure of the four-way headrest are mainly described in detail.

[0043] A four-way headrest has at least a first moving state of moving up and down relative to a car seat, and a second moving state of moving forward and backward relative to the car seat. The four-way headrest includes: a body frame 100, a connecting assembly 200, a supporting assembly 300, a first driving member 400, and a second driving member 500.

[0044] Specifically, the main body frame 100 is connected to the car seat; the connecting component 200 is connected to the main body frame 100 and can move relative to the main body frame 100, and the four-way headrest can be in the second moving state due to the movement of the connecting component 200 relative to the main body frame 100; the support component 300 is movably arranged on the connecting component 200, and is used to provide support for the passenger on the car seat, and the support component 300 can move relative to the connecting component 200, and the four-way headrest can be in the first moving state due to the movement of the support component 300 relative to the connecting component 200; the first driving member 400 is connected to the connecting component 200, and is used to drive the support component 300 to move relative to the connecting component 200; the second driving member 500 is connected to the main body frame 100, and is used to drive the connecting component 200 to move relative to the main body frame 100.

[0045] Preferably, the body frame 100 is provided with threaded holes 110 for connecting the body frame 100 to the car seat. During installation, bolts are passed through the car seat and connected within the threaded holes 110, thereby securing the body frame 100 to the car seat. The number of threaded holes 110 on the body frame 100 can be two, four, or another number. In this embodiment, the body frame 100 is provided with four threaded holes 110, which are distributed in a rectangular shape on the body frame 100.

[0046] The connecting component 200 is a shell-like structure. The connecting component 200 is movably mounted on the outside of the main frame 100, and one end of the connecting component 200 is provided with an opening for the main frame 100 to extend into or out of the connecting component 200. Figure 5 As shown, the support assembly 300 is located close to the car seat, and the body frame 100 is located relatively inside the connecting assembly 200. When the second driving member 500 is working, it drives the connecting assembly 200 toward Figure 5 Move to the left side so that one end of the main frame 100 extends out of the connecting assembly 200 to Figure 3 At this time, since the support assembly 300 is connected to the connecting assembly 200, the connecting assembly 200 moves and drives the support assembly 300 to move relative to the car seat toward the passenger, thus realizing the second moving state of the four-way headrest. Similarly, when the support assembly 300 is in Figure 3 and the second driving member 500 drives the connecting assembly 200 to move in the reverse direction, thereby driving the supporting assembly 300 to move toward the direction of the car seat.

[0047] The first driving member 400 drives the supporting assembly 300 to move relative to the connecting assembly 200 along the Figure 3 The four-way headrest moves in the up and down directions shown to achieve the second moving state.

[0048] In this solution, by making the connecting component 200 movably connected to the main body frame 100 and realizing the movement of the connecting component 200 through the second driving member 500; by making the supporting component 300 movably connected to the connecting component 200 and realizing the movement of the supporting component 300 through the first driving member 400, the four-way headrest is realized to move forward, backward, up and down relative to the car seat, thereby meeting the usage needs of the passengers.

[0049] The first driving member 400 includes: a first actuator 410; a first screw rod 420, which is connected to the output end of the first actuator 410, and the first actuator 410 is used to drive the first screw rod 420 to rotate; a connecting block 430, which is sleeved on the outside of the first screw rod 420 and is threadedly connected to the first screw rod 420; an adjusting gear 460, which is rotatably connected to the connecting block 430; a first tooth portion 440, which is arranged on the connecting component 200 and is movably engaged with the adjusting gear 460; a second tooth portion 450, which is arranged on the supporting component 300, and the second tooth portion 450 is arranged opposite to the first tooth portion 440 and is movably engaged with the adjusting gear 460.

[0050] The first actuator 410 is preferably a motor, such as Figure 8 As shown, when the first actuator 410 drives the first screw rod 420 to rotate, it drives the connecting block 430 along Figure 8 It moves in the up and down directions shown. When the connecting block 430 moves, it drives the adjusting gear 460 connected thereto to move synchronously. Since the adjusting gear 460 is engaged with the first tooth portion 440, the adjusting gear 460 rotates around its own axis while the adjusting gear 460 moves. And since the second tooth portion 450 on the support assembly 300 is also engaged with the adjusting gear 460, the adjusting gear 460 drives the support assembly 300 to move up and down when it moves. The arrangement of the adjusting gear 460, the first tooth portion 440 and the second tooth portion 450 is used to amplify the working efficiency of the first actuator 410, that is, since the adjusting gear 460 rotates while moving, the distance moved by the support assembly 300 is roughly equivalent to the distance the adjusting gear 460 moves when Figure 8 Twice the distance moved in the up and down directions shown.

[0051] Preferably, there are two adjusting gears 460 and they are respectively arranged on both sides of the connecting block 430. The adjusting gears 460 are rotatably connected to the connecting block 430 by bolts along the axial direction thereof, so as to make the support assembly 300 move more smoothly.

[0052] The connection scheme of the adjusting gear 460 being rotatably connected to the connecting block 430 by bolts along its axial direction can be achieved by rotatably connecting the rotating shaft on the connecting block 430 through a bearing and then fixing the adjusting gear 460 on the rotating shaft by bolts; or it can be achieved by fixing the rotating shaft on the connecting block 430 and rotatably connecting the adjusting gear 460 to the rotating shaft by bolts and bearings.

[0053] The connecting assembly 200 includes a connecting frame 210, a decorative shell 220 and a guide rod 230 arranged on the connecting frame 210. The connecting frame 210 is movably mounted on the outside of the main frame 100. The decorative shell 220 is mounted on the outside of the connecting frame 210 and is used to cover the ugliness between the car seat and the four-way headrest. The guide rod 230 is movably inserted into the main frame 100. The first actuator 410 and the first tooth portion 440 are both connected to the connecting frame 210. The other end of the first screw rod 420 passes through the connecting frame 210 and is rotatably connected to the decorative shell 220.

[0054] The connecting frame 210 is preferably a metal frame to increase the structural strength of the connecting assembly 200. The guide rod 230 is used to guide the movement of the connecting assembly 200 relative to the main frame 100. The decorative shell 220 not only provides a shielding function, but also prevents dust from entering the vehicle cabin and affecting the normal operation of the first and second driving members 400 and 500.

[0055] The support assembly 300 includes: a cover plate 310 movably connected to the decorative shell 220 ; a cover plate frame 320 disposed at one end of the cover plate 310 away from the decorative shell 220 ; and a headrest body 330 disposed at a side of the cover plate frame 320 away from the cover plate 310 .

[0056] The cover plate 310 and the cover plate frame 320 can be integrally formed or connected by snapping, gluing, or threading. The cover plate frame 320 is preferably a metal structure to enhance the structural strength of the entire support assembly 300. The headrest body 330 includes a face cover and foam.

[0057] The cover plate 310 is provided with a guide groove 311 extending along the height direction of the car seat, and the decorative shell 220 is provided with a guide portion 221 adapted to the guide groove 311. The guide portion 221 is movably inserted in the guide groove 311 to provide guidance for the support component 300 to move relative to the connecting component 200.

[0058] The sliding guide structure between the cover plate 310 and the decorative shell 220 is set as a guide inclined groove 311, which can also lock the cover plate 310 and the decorative shell 220 along the front-to-back direction of the car seat, preventing the cover plate 310 from separating from the decorative shell 220 when subjected to external force along the front-to-back direction of the car seat.

[0059] Preferably, the decorative shell 220 and the cover plate 310 are both made of plastic. A metal gasket 222 is embedded in the decorative shell 220 , and a metal frame 312 is embedded in the cover plate 310 . The decorative shell 220 is connected to the connecting frame 210 by bolts passing through the metal gasket 222 .

[0060] The decorative shell 220 and the cover plate 310 are both made of plastic material to reduce the weight of the support assembly 300 and the connection assembly 200, and reduce the driving load of the first driving member 400 and the second driving member 500. The metal gasket 222 is used to enhance the connection strength between the decorative shell 220 and the connection frame 210.

[0061] The second driving member 500 includes: a second actuator 510 ; a second screw rod 520 movably connected to the output end of the second actuator 510 , and one end of the second screw rod 520 is rotatably connected to the first tooth portion 440 .

[0062] The second actuator 510 is preferably a motor, such as Figure 5 As shown, when the second actuator 510 is working, it drives the second screw rod 520 to rotate along its own axis. Figure 5 Since one end of the second screw rod 520 is rotatably connected to the first tooth portion 440, the second screw rod 520 pushes the connecting assembly 200 to move relative to the main frame 100 through the second tooth portion 450 when moving, thereby achieving the second moving state of the four-way headrest.

[0063] Preferably, the body frame 100 is provided with threaded holes 110 for connecting the body frame 100 to the car seat.

[0064] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship and movement status of the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0065] In addition, terms such as "first," "second," and "an" in this utility model are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0066] In this utility model, unless otherwise specified or limited, the terms "connection" and "fixation" should be understood in a broad sense. For example, "fixation" can mean fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0067] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in this field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0068] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described, or replace them with similar methods, without departing from the scope defined by the spirit of the present invention.

Claims

1. A four-way headrest having at least a first movable state of moving up and down relative to a car seat and a second movable state of moving forward and backward relative to the car seat, characterized in that: The four-way headrest includes: a body frame connected to the car seat; a connecting assembly connected to the main body frame and movable relative to the main body frame, wherein the four-way headrest can be in the second movable state due to the movement of the connecting assembly relative to the main body frame; a support assembly movably disposed on the connecting assembly for providing support for a passenger on the vehicle seat, the support assembly being movable relative to the connecting assembly, the four-way headrest being in the first movable state due to the movement of the support assembly relative to the connecting assembly; a first driving member connected to the connecting assembly and configured to drive the supporting assembly to move relative to the connecting assembly; The second driving member is connected to the main body frame and is used to drive the connecting assembly to move relative to the main body frame.

2. A four-way headrest according to claim 1, characterized in that: The first driving member includes: first actuator; a first screw rod connected to an output end of the first actuator, the first actuator being used to drive the first screw rod to rotate; a connecting block, which is sleeved on the outer side of the first screw rod and is threadedly connected to the first screw rod; an adjusting gear, which is rotatably connected to the connecting block; a first tooth portion, which is provided on the connecting assembly and movably meshed with the adjusting gear; The second tooth portion is arranged on the supporting assembly. The second tooth portion is arranged opposite to the first tooth portion and is movably engaged with the adjusting gear.

3. A four-way headrest according to claim 2, characterized in that: The adjusting gears are provided in pairs and are respectively arranged on both sides of the connecting block. The adjusting gears are rotatably connected to the connecting block by bolts along the axis direction thereof.

4. The four-way headrest according to claim 2, characterized in that: The connecting assembly includes a connecting frame, a decorative shell and a guide rod arranged on the connecting frame. The connecting frame is movably mounted on the outside of the main body frame. The decorative shell is mounted on the outside of the connecting frame and is used to cover the gap between the car seat and the four-way headrest. The guide rod is movably inserted into the main body frame. The first actuator and the second tooth portion are both connected to the connecting frame. The other end of the first screw rod passes through the connecting frame and is rotatably connected to the decorative shell.

5. The four-way headrest according to claim 4, characterized in that: The support assembly comprises: a cover plate movably connected to the decorative shell; a cover plate frame, which is arranged at one end of the cover plate away from the decorative shell; The headrest body is arranged on a side of the cover plate frame away from the cover plate.

6. The four-way headrest according to claim 5, characterized in that: The cover plate is provided with a guide bevel extending along the height direction of the car seat, and the decorative shell is provided with a guide portion adapted to the guide bevel. The guide portion is movably inserted in the guide bevel to provide guidance for the movement of the support assembly relative to the connecting assembly.

7. The four-way headrest according to claim 5, characterized in that: The decorative shell and the cover plate are both made of plastic. A metal gasket is embedded in the decorative shell, and a metal frame is embedded in the cover plate. The decorative shell is connected to the connecting frame by bolts passing through the metal gasket.

8. The four-way headrest according to claim 2, characterized in that: The second driving member includes: a second actuator; The second screw rod is movably connected to the output end of the second actuator, and one end of the second screw rod is rotatably connected to the first tooth portion.

9. The four-way headrest according to claim 2, characterized in that: The body frame is provided with threaded holes for connecting the body frame to the car seat.

10. A vehicle, characterized in that: It comprises a four-way headrest as claimed in any one of claims 1 to 9.

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