Lightweight automobile headrest framework

Abstract

The utility model discloses a lightweight automobile headrest framework, and relates to the technical field of automobile headrest frameworks. Comprising an equipment adjusting box, a headrest fixing plate is arranged on the front side of the equipment adjusting box, a bottom adjusting mechanism and a top adjusting mechanism are arranged in the equipment adjusting box, a front side through hole and an adjusting hole are formed in the front side wall of the equipment adjusting box, and a rear side through hole is formed in the rear side wall of the equipment adjusting box; a buffering mechanism is arranged on the rear side of the headrest fixing plate, and the rear side end of the buffering mechanism penetrates through the front side through hole and extends into the equipment adjusting box. The overall position adjustment and angle adjustment of the headrest fixing plate are achieved through cooperation of the top adjusting mechanism and the bottom adjusting mechanism, the requirements of different users can be met, and the practicability of the equipment is improved; the buffering mechanism is arranged, so that impact energy can be effectively absorbed when the vehicle is suddenly accelerated or is subjected to rear-end collision, the instantaneous impact force borne by the neck is reduced, and the safety performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile headrest framework, especially to a light weight automobile headrest framework. BACKGROUND

[0002] Lightweight is one of the important directions of the development of modern automobile industry, its core definition is through optimizing material selection, structure design and manufacturing process, under the premise of ensuring product safety, functionality and durability, maximum degree reduces the weight of spare parts. The application of lightweight technology can not only improve fuel economy, but also reduce energy consumption and carbon emissions, which accords with the trend of global automobile industry to low carbonization and intelligentization. Especially in the field of new energy vehicles, lightweight has significant meaning for improving the vehicle energy efficiency ratio.

[0003] In the production process of automobile headrest framework, the function of the equipment is often ignored while considering lightweight. The angle position of the traditional headrest framework is fixed and cannot be adjusted, which is difficult to adapt to the cervical curvature needs of users of different heights and body shapes, leading to easy neck fatigue during long time riding. Moreover, it only provides basic support and lacks dynamic adjustment. Therefore, the light weight automobile headrest framework is proposed to solve the above problems. UTILITARIAN CONTENT

[0004] The utility model aims at providing a light weight automobile headrest framework, which solves the technical problems proposed in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a light weight automobile headrest framework, comprising a device adjusting box, a headrest fixing plate is arranged on the front side of the device adjusting box, a bottom adjusting mechanism and a top adjusting mechanism are arranged in the device adjusting box, a front side through hole and an adjusting hole are formed in the front side wall of the device adjusting box, a rear side through hole is formed in the rear side wall of the device adjusting box, a buffer mechanism is arranged on the rear side of the headrest fixing plate, the rear side end of the buffer mechanism passes through the front side through hole and extends into the device adjusting box;

[0006] The buffer mechanism comprises a connecting block and an auxiliary adjusting box, the rear side end of the connecting block is hinged to the headrest fixing plate, a telescopic rod is fixedly connected to the end of the connecting block away from the headrest fixing plate, the rear side end of the telescopic rod penetrates through the front side wall of the auxiliary adjusting box and is fixedly connected with a sliding plate, a buffer spring is sleeved on the telescopic rod, the front and rear ends of the buffer spring are fixedly connected with the adjacent side walls of the connecting block and the auxiliary adjusting box respectively.

[0007] Preferably, the rear side of the auxiliary adjusting box is provided with an adjusting screw, the front side end of the adjusting screw penetrates the rear side wall of the auxiliary adjusting box and the sliding plate in sequence and is rotationally connected with the inner wall of the front side of the auxiliary adjusting box, and the adjusting screw and the sliding plate are threadedly connected.

[0008] Preferably, the bottom adjusting mechanism comprises an adjusting knob one, the left side end of the adjusting knob one is fixedly connected with a bidirectional screw rod one, the left side end of the bidirectional screw rod one penetrates the right side wall of the equipment adjusting box and is rotationally connected with the left side inner wall of the equipment adjusting box, two sliding blocks one are threadedly connected on the bidirectional screw rod one, the lower end of the sliding block one abuts against the lower side inner wall of the equipment adjusting box, the thread directions of the two sliding blocks one and the bidirectional screw rod one are opposite, a support plate is hingedly connected to the upper end of the sliding block one, and two connecting frames are hingedly connected to the upper end of the support plate, the distal ends of the two connecting frames away from the support plate are rotationally connected with the left and right side outer walls of the auxiliary adjusting box.

[0009] Preferably, the top adjusting mechanism comprises an adjusting knob two, the left side end of the adjusting knob two is fixedly connected with a bidirectional screw rod two, the left side end of the bidirectional screw rod two penetrates the right side wall of the equipment adjusting box and is rotationally connected with the left side inner wall of the equipment adjusting box, two sliding blocks two are threadedly connected on the bidirectional screw rod two, the thread directions of the two sliding blocks two and the bidirectional screw rod two are opposite, the rear side end of the sliding block two abuts against the rear side inner wall of the equipment adjusting box, the two sliding blocks two are located on the rear side of the adjusting hole, a hinged plate is fixedly connected to the rear wall of the headrest fixing plate, a connecting frame is hingedly connected to the rear side end of the hinged plate, and the connecting frame is located on the front side of the adjusting hole.

[0010] Preferably, the front side end of the sliding block two is hingedly connected with an expansion plate, the front side end of the expansion plate penetrates the adjusting hole and is hingedly connected with the rear side end of the connecting frame, and the upper and lower ends of the expansion plate abut against the upper and lower side inner walls of the adjusting hole.

[0011] Preferably, the lower end of the equipment adjusting box is fixedly connected with two fixed insertion rods, and a plurality of clamping grooves are formed in the side wall of the fixed insertion rod.

[0012] Compared with the related art, the lightweight automobile headrest framework has the following beneficial effects:

[0013] 1. The utility model provides a lightweight car headrest framework, the device is provided with top adjusting mechanism and bottom adjusting mechanism in equipment adjusting box inside, realizes the adjustment of buffer mechanism angle through the cooperation of bidirectional screw rod one, sliding block one and support plate, and then the bottom position of headrest fixed plate is adjusted, utilize bidirectional screw rod two, sliding block two and extension plate cooperation realizes the adjustment of headrest fixed plate upper end position, realize the adjustment of headrest fixed plate overall position and angle adjustment through the cooperation of top adjusting mechanism and bottom adjusting mechanism, can satisfy the demand of different users, improve the practicability of equipment.

[0014] 2. The utility model provides a lightweight car headrest framework, is provided with buffer mechanism in the rear side of headrest fixed plate, utilizes telescopic link and buffer spring cooperation when using can effectively absorb impact energy when the vehicle suddenly accelerates or is followed, reduces the instantaneous impact force that neck received, promotes security performance. Simultaneously be provided with adjusting screw in buffer mechanism, realize the adjustment of the distance of connecting block and auxiliary adjusting box support through the cooperation of adjusting screw and sliding plate, and then the state of buffer spring is adjusted, can adjust the hardness of headrest, satisfies different user demand. DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the local structure schematic diagram of the utility model;

[0017] Figure 3 It is the structure schematic diagram of equipment adjusting box of the utility model;

[0018] Figure 4 It is the internal structure schematic diagram of equipment adjusting box of the utility model;

[0019] Figure 5 It is the cut structure schematic diagram of front side through hole of the utility model;

[0020] Figure 6 It is the cut structure schematic diagram of auxiliary adjusting box of the utility model;

[0021] Figure 7 It is the cut structure schematic diagram of adjusting hole of the utility model.

[0022] In the figure: 1, equipment adjusting box; 2, headrest fixed plate; 3, fixed insertion rod; 4, clamping groove; 5, front side through hole; 6, rear side through hole; 7, adjusting hole; 8, adjusting knob one; 9, bidirectional screw rod one; 10, sliding block one; 11, support plate; 12, auxiliary adjusting box; 13, connecting frame; 14, adjusting knob two; 15, bidirectional screw rod two; 16, sliding block two; 17, expansion plate; 18, connecting frame; 19, hinged plate; 20, connecting block; 21, telescopic rod; 22, buffer spring; 23, sliding plate; 24, adjusting screw rod. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Embodiment:

[0025] Please refer to Figure 1 - Figure 7 The utility model provides a kind of technical solutions: a lightweight car headrest framework, including equipment adjusting box 1, the lower end of equipment adjusting box 1 is fixedly connected with two fixed insertion rods 3, and a plurality of clamping grooves 4 are provided on the side wall of fixed insertion rod 3, and the front side of equipment adjusting box 1 is provided with headrest fixed plate 2, and bottom adjusting mechanism and top adjusting mechanism are provided in equipment adjusting box 1, and front side through hole 5 and adjusting hole 7 are formed on the front side wall of equipment adjusting box 1, and rear side through hole 6 is formed on the rear side wall of equipment adjusting box 1, and the rear side of headrest fixed plate 2 is provided with buffer mechanism, and the rear side end of buffer mechanism passes through front side through hole 5 and extends into equipment adjusting box 1;

[0026] Buffer mechanism includes connecting block 20 and auxiliary adjusting box 12, and the rear side end of connecting block 20 is hinged with headrest fixed plate 2, and one end of connecting block 20 away from headrest fixed plate 2 is fixedly connected with telescopic rod 21, and the rear side end of telescopic rod 21 passes through the front side wall of auxiliary adjusting box 12 and is fixedly connected with sliding plate 23, and buffer spring 22 is sleeved on telescopic rod 21, and the front and rear ends of buffer spring 22 are fixedly connected with the adjacent side wall of connecting block 20 and auxiliary adjusting box 12 respectively, and the cooperation of telescopic rod 21 and buffer spring 22 in buffer mechanism can effectively absorb impact energy when vehicle suddenly accelerates or is rear-ended, reduce the instantaneous impact force on neck, and improve safety performance;

[0027] The rear side of the auxiliary adjusting box 12 penetrates the front side through hole 5 and extends to the front side of the rear side through hole 6, the rear side of the auxiliary adjusting box 12 is provided with an adjusting screw 24, the front side end of the adjusting screw 24 penetrates the rear side wall of the auxiliary adjusting box 12 and the sliding plate 23 in sequence and is rotationally connected with the inner wall of the front side of the auxiliary adjusting box 12, the adjusting screw 24 and the sliding plate 23 are threadedly connected, the distance between the connecting block 20 and the bracket of the auxiliary adjusting box 12 is adjusted through the cooperation of the adjusting screw 24 and the sliding plate 23, and then the state of the buffer spring 22 is adjusted, so that the hardness of the headrest can be adjusted;

[0028] The bottom adjusting mechanism comprises an adjusting knob one 8, the adjusting knob one 8 is located on the right side of the equipment adjusting box 1, a bidirectional screw rod one 9 is fixedly connected to the left side end of the adjusting knob one 8, the left side end of the bidirectional screw rod one 9 penetrates the right side wall of the equipment adjusting box 1 and is rotationally connected with the left side inner wall of the equipment adjusting box 1, two sliding blocks one 10 are threadedly connected to the bidirectional screw rod one 9, the lower ends of the sliding blocks one 10 abut against the lower side inner wall of the equipment adjusting box 1, the thread directions of the two sliding blocks one 10 at the connection positions with the bidirectional screw rod one 9 are opposite, support plates 11 are hingedly connected to the upper ends of the sliding blocks one 10, connecting frames 13 are hingedly connected to the upper ends of the support plates 11, and the ends, away from the support plates 11, of the two connecting frames 13 are rotationally connected with the left and right side outer walls of the auxiliary adjusting box 12 respectively; when it is necessary to adjust the bottom position of the headrest fixed plate 2, the adjusting knob one 8 is rotated to drive the bidirectional screw rod one 9 to rotate, and then the two sliding blocks one 10 are driven to move, with the two sliding blocks one 10 moving close to each other, the rear side end of the buffer mechanism is lifted upward by the two support plates 11, and then the lower end of the headrest fixed plate 2 is moved to the rear side; when the two sliding blocks one 10 move away from each other, the rear side end of the buffer mechanism moves downward, and then the lower end of the headrest fixed plate 2 is pushed to the front side by the buffer mechanism;

[0029] The top adjusting mechanism comprises an adjusting knob two 14, a bidirectional screw rod two 15 is fixedly connected to the left side end of the adjusting knob two 14, the left side end of the bidirectional screw rod two 15 penetrates the right side wall of the equipment adjusting box 1 and is rotationally connected with the left side inner wall of the equipment adjusting box 1, two sliding blocks two 16 are threadedly connected to the bidirectional screw rod two 15, the thread directions of the two sliding blocks two 16 at the connection positions with the bidirectional screw rod two 15 are opposite, the rear side ends of the sliding blocks two 16 abut against the rear side inner wall of the equipment adjusting box 1, and the two sliding blocks two 16 are located on the rear side of the adjusting hole 7; the rear wall of the headrest fixed plate 2 is fixedly connected with a hinged plate 19, the hinged plate 19 is hingedly connected with a connecting frame 18, and the connecting frame 18 is located on the front side of the adjusting hole 7.

[0030] The front side end of the sliding block two 16 is hinged with an extension plate 17, the front side end of the extension plate 17 passes through the adjusting hole 7 and is hinged with the rear side end of the connecting frame 18, the upper and lower ends of the extension plate 17 respectively abut against the inner walls of the upper and lower sides of the adjusting hole 7, so that the stability of the extension plate 17 is ensured when the upper end position of the headrest fixing plate 2 is adjusted; when the upper end position of the headrest fixing plate 2 is adjusted, the two-way screw rod two 15 is driven to rotate by the adjusting knob two 14, and the upper end of the headrest fixing plate 2 is moved to the front side and the rear side by the mutual approaching and moving away of the two sliding blocks two 16.

[0031] Working principle: in use, the headrest is fixed on the headrest fixing plate 2, the equipment adjusting box 1 is connected with the seat by the two lower fixing rods 3, the bottom adjusting mechanism and the top adjusting mechanism are arranged in the equipment adjusting box 1, when it is needed to adjust the bottom position of the headrest fixing plate 2, the two-way screw rod one 9 is driven to rotate by the adjusting knob one 8, and then the two sliding blocks one 10 are moved, the rear side end of the buffer mechanism is lifted upward by the two supporting plates 11 when the two sliding blocks one 10 approach each other, so that the lower end of the headrest fixing plate 2 is moved to the rear side; when the two sliding blocks one 10 move away from each other, the rear side end of the buffer mechanism moves downward, and then the lower end of the headrest fixing plate 2 is pushed forward by the buffer mechanism; at the same time, the two-way screw rod two 15 is driven to rotate by the adjusting knob two 14 in the top adjusting mechanism, and the upper end of the headrest fixing plate 2 is moved to the front side and the rear side by the mutual approaching and moving away of the two sliding blocks two 16. The position and the inclination angle of the headrest fixing plate 2 are adjusted by the cooperation of the bottom adjusting mechanism and the top adjusting mechanism, so as to meet the needs of different users. The stretching rod 21 and the buffer spring 22 in the buffer mechanism cooperate to effectively absorb impact energy when the vehicle suddenly accelerates or is rear-ended, reduce the instantaneous impact force on the neck, and improve the safety performance. At the same time, the adjusting screw rod 24 is arranged in the buffer mechanism, the distance between the connecting block 20 and the support of the auxiliary adjusting box 12 is adjusted by the cooperation of the adjusting screw rod 24 and the sliding plate 23, and then the state of the buffer spring 22 is adjusted, so as to adjust the hardness of the headrest.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A lightweight automotive headrest frame, comprising an equipment adjustment box (1), characterized in that: The front side of the equipment adjustment box (1) is provided with a headrest fixing plate (2). The equipment adjustment box (1) is provided with a bottom adjustment mechanism and a top adjustment mechanism. The front side wall of the equipment adjustment box (1) is provided with a front through hole (5) and an adjustment hole (7). The rear side wall of the equipment adjustment box (1) is provided with a rear through hole (6). The rear side of the headrest fixing plate (2) is provided with a buffer mechanism. The rear end of the buffer mechanism passes through the front through hole (5) and extends into the equipment adjustment box (1). The buffer mechanism includes a connecting block (20) and an auxiliary adjustment box (12). The connecting block (20) is hinged to the rear end of the headrest fixing plate (2). A telescopic rod (21) is fixedly connected to one end of the connecting block (20) away from the headrest fixing plate (2). The rear end of the telescopic rod (21) passes through the front side wall of the auxiliary adjustment box (12) and is fixedly connected to a sliding plate (23). A buffer spring (22) is sleeved on the telescopic rod (21). The front and rear ends of the buffer spring (22) are fixedly connected to the adjacent side walls of the connecting block (20) and the auxiliary adjustment box (12), respectively.

2. The lightweight automotive headrest frame according to claim 1, characterized in that: The rear end of the auxiliary adjustment box (12) passes through the front through hole (5) and extends to the front of the rear through hole (6). An adjustment screw (24) is provided on the rear side of the auxiliary adjustment box (12). The front end of the adjustment screw (24) passes through the rear side wall of the auxiliary adjustment box (12) and the sliding plate (23) in sequence and is rotatably connected to the front inner wall of the auxiliary adjustment box (12). The adjustment screw (24) and the sliding plate (23) are threadedly connected.

3. The lightweight automotive headrest frame according to claim 1, characterized in that: The bottom adjustment mechanism includes an adjustment knob (8), which is located on the right side of the equipment adjustment box (1). A two-way lead screw (9) is fixedly connected to the left end of the adjustment knob (8). The left end of the two-way lead screw (9) passes through the right side wall of the equipment adjustment box (1) and is rotatably connected to the left inner wall of the equipment adjustment box (1). Two sliding blocks (10) are threadedly connected to the two-way lead screw (9). The lower end of the sliding block (10) abuts against the lower inner wall of the equipment adjustment box (1). The threads of the two sliding blocks (10) and the two-way lead screw (9) are opposite in direction. A support plate (11) is hinged to the upper end of the sliding block (10). A connecting frame (13) is hinged to the upper end of the support plate (11). The ends of the two connecting frames (13) away from the support plate (11) are rotatably connected to the left and right outer walls of the auxiliary adjustment box (12).

4. The lightweight automotive headrest frame according to claim 1, characterized in that: The top adjustment mechanism includes an adjustment knob (14), and a two-way lead screw (15) is fixedly connected to the left end of the adjustment knob (14). The left end of the two-way lead screw (15) passes through the right side wall of the equipment adjustment box (1) and is rotatably connected to the left inner wall of the equipment adjustment box (1). Two sliding blocks (16) are threadedly connected to the two-way lead screw (15). The threads of the two sliding blocks (16) and the two-way lead screw (15) are opposite. The rear end of the sliding block (16) abuts against the rear inner wall of the equipment adjustment box (1). Both sliding blocks (16) are located behind the adjustment hole (7). A hinge plate (19) is fixedly connected to the rear wall of the headrest fixing plate (2). A connecting frame (18) is hinged to the rear end of the hinge plate (19). The connecting frame (18) is located in front of the adjustment hole (7).

5. A lightweight automotive headrest frame according to claim 4, characterized in that: The front end of the sliding block 2 (16) is hinged to an extension plate (17). The front end of the extension plate (17) passes through the adjustment hole (7) and is hinged to the rear end of the connecting frame (18). The upper and lower ends of the extension plate (17) respectively abut against the inner walls of the upper and lower sides of the adjustment hole (7).

6. A lightweight automotive headrest frame according to claim 1, characterized in that: The lower end of the equipment adjustment box (1) is fixedly connected to two fixed plug rods (3), and the side wall of the fixed plug rods (3) is provided with several snap-fit ​​grooves (4).

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