Automobile seat shoulder adjustment structure

Abstract

This utility model discloses a shoulder adjustment structure for a car seat, including a backrest, a shoulder support on the upper part of the backrest, and a height adjustment mechanism and an angle adjustment mechanism between the shoulder support and the backrest. The height adjustment mechanism drives the shoulder support to move up and down relative to the backrest, and the angle adjustment mechanism drives the shoulder support to rotate back and forth relative to the backrest. The beneficial effects of this utility model are: by setting the height adjustment mechanism and the angle adjustment mechanism, the shoulder support can achieve four-way adjustment, that is, the shoulder support can be adjusted up and down relative to the backrest and the tilt angle can be adjusted back and forth. This allows for flexible adjustment of the height and tilt angle of the shoulder support according to the height, body type, and seating habits of different drivers and passengers, providing more ergonomic support for the shoulders.

Description

Technical Field

[0001] This utility model relates to the field of automotive seat technology, specifically to an automotive seat shoulder adjustment structure. Background Technology

[0002] In the automotive seating industry, the shoulder support is a key component, playing a crucial role in the riding experience and safety of drivers and passengers. Currently, the shoulder support structure of automotive seats on the market is usually a fixed structure, which cannot meet the personalized needs of drivers and passengers of different heights and body types for shoulder support height and position. For example, taller drivers and passengers may experience fatigue during long drives due to insufficient shoulder support height, while shorter drivers and passengers may experience seat belts that are positioned improperly due to excessively high shoulder support, failing to fully utilize the protective function of the seat belts and posing a safety hazard.

[0003] This shows that such shoulder support not only reduces the comfort of car seats, but also affects safety during driving to some extent. Utility Model Content

[0004] In view of this, the present invention provides a shoulder adjustment structure for automobile seats, which can realize the adjustment of the shoulder support height and the fore-and-aft tilt angle, and accurately adapt to the actual needs of different drivers and passengers.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A car seat shoulder adjustment structure includes a backrest, the key feature of which is that: a shoulder support is provided on the upper part of the backrest, and a height adjustment mechanism and an angle adjustment mechanism are provided between the shoulder support and the backrest;

[0007] The height adjustment mechanism is used to drive the shoulder support to move up and down relative to the backrest, and the angle adjustment mechanism is used to drive the shoulder support to rotate back and forth relative to the backrest.

[0008] By adopting the above structure and setting up a height adjustment mechanism and an angle adjustment mechanism, the shoulder support can achieve four-way adjustment function. That is, the shoulder support can be adjusted up and down relative to the backrest and tilted back and forth. This allows the height and tilt angle of the shoulder support to be flexibly adjusted according to the height, body shape and sitting habits of different drivers and passengers, providing more human-shaped support for the shoulders.

[0009] Preferably, the shoulder support includes a shoulder support frame and a mounting base plate. The mounting base plate is slidably mounted on the upper part of the backrest. The shoulder support frame is used to support the user's shoulders and is rotatably mounted on the mounting base plate.

[0010] The height adjustment mechanism drives the mounting base plate to move up and down along the backrest height direction, and the angle adjustment mechanism drives the shoulder support frame to rotate back and forth relative to the mounting base plate. With this structure, the height adjustment mechanism drives the mounting base plate to move up and down along the backrest height direction, which in turn drives the shoulder support frame to move up and down along the backrest height direction, thus achieving the shoulder support height adjustment function. The angle adjustment mechanism drives the shoulder support frame to rotate back and forth around its rotation support point with the mounting base plate, thus achieving the shoulder support tilt angle adjustment function.

[0011] Preferably, the height adjustment mechanism includes a first motor mounted on the backrest, a lead screw driven by the first motor, and a nut sleeve fitted on the lead screw, the nut sleeve being connected to the mounting base plate. With this structure, the first motor drives the lead screw to rotate, causing the nut sleeve to move along the lead screw axis, thereby causing the mounting base plate to move up and down along the backrest height direction.

[0012] Preferably, a first mounting bracket is fixed to the rear side of the backrest, with an assembly gap between the first mounting bracket and the mounting base plate. The main body of the first motor is located in front of the first mounting bracket, and a connecting support is provided on the rear side of the mounting base plate for connecting with the nut sleeve. With this structure, the assembly gap provides space for the installation of the height adjustment mechanism and the lifting movement of the mounting base plate. The linear movement of the nut sleeve can be accurately transmitted to the mounting base plate through the connecting support, thereby driving the mounting base plate to move synchronously up and down.

[0013] Preferably, the nut sleeve is fixedly fitted with a connecting branch perpendicular to the nut sleeve, the two ends of the connecting branch extending radially outward along the nut sleeve, and the connecting branch is rotatably supported on the connecting support. With this structure, when the lead screw drives the nut sleeve to move axially, it can compensate for installation errors or absorb the sway clearance of the device, improving the smoothness of the lifting and lowering movement of the mounting base plate.

[0014] Preferably, a guide assembly is provided between the mounting base and the backrest, the guide assembly being used to constrain the sliding direction of the mounting base. This structure ensures that the mounting base can only move linearly along the height direction of the backrest during height adjustment.

[0015] Preferably, the shoulder support frame is rotatably mounted on the front side of the mounting base plate via a support crossbar. The angle adjustment mechanism includes an arc-shaped toothed plate fixed on the support crossbar and a drive assembly for rotating the arc-shaped toothed plate. With the above structure, the drive assembly drives the arc-shaped toothed plate to rotate, which in turn drives the support crossbar to rotate, thereby enabling the shoulder support frame to rotate around the axis of the support crossbar.

[0016] Preferably, the drive assembly includes a second motor disposed on the side of the mounting base plate. The output shaft of the second motor extends towards the shoulder support frame, and a gear that meshes with the arc-shaped toothed plate is fixedly fitted onto the output shaft of the second motor. With this structure, the second motor can efficiently transmit power to the arc-shaped toothed plate, thereby driving the shoulder support frame to rotate back and forth, achieving precise adjustment of the shoulder support angle. Simultaneously, the meshing transmission between the gear and the arc-shaped toothed plate not only has the advantages of smooth transmission and low noise, but also has a self-locking function, ensuring that the shoulder support frame can be stably maintained when adjusted to the appropriate angle.

[0017] Preferably, the mounting base plate has a forward-extending second mounting bracket on its side, a support bracket fixedly mounted on the inner side of the second mounting bracket, the main body of the second motor disposed on the outer side of the second mounting bracket, and the output axis of the second motor extending inward into the inner side of the second mounting bracket and rotatably supported on the support bracket. This structure facilitates the fixed installation of the second motor.

[0018] Preferably, the shoulder support is equipped with a massage mechanism, which is a mechanical massager or an airbag massage component. This structure allows the user's shoulders to relax.

[0019] Compared with the prior art, the beneficial effects of this utility model are:

[0020] 1. The shoulder adjustment structure of the car seat provided by this utility model, by setting a height adjustment mechanism and an angle adjustment mechanism, enables the shoulder support to achieve up-and-down height adjustment and front-and-back tilt angle adjustment relative to the backrest. Thus, the height position and tilt angle of the shoulder support can be flexibly adjusted according to the height, body shape and sitting habits of different drivers and passengers, providing more human-shaped support for the shoulders, improving shoulder comfort and support during sitting, enhancing the adaptability of the seat to different groups of people, and meeting diverse usage needs.

[0021] 2. By separating the shoulder support into a shoulder support frame and a mounting base, the two functions can be made independent and do not interfere with each other. At the same time, it is easy to assemble and maintain, which enhances the stability and reliability of the overall structure, so that the shoulder support can maintain effective support for the shoulder in different adjustment states. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the shoulder adjustment structure of a car seat in its initial state.

[0023] Figure 2 This is a schematic diagram of the shoulder adjustment mechanism of a car seat in the adjusted state.

[0024] Figure 3 for Figure 2A magnified view of a section at point B in the middle;

[0025] Figure 4 This is a schematic diagram illustrating the backrest structure of a car seat in its adjusted position.

[0026] Figure 5 This is a schematic diagram showing the side structure of the car seat shoulder adjustment mechanism in the adjusted state;

[0027] Figure 6 To show a partial enlarged view of the angle adjustment mechanism 3;

[0028] Figure 7 This is a reference diagram showing the usage status of the shoulder adjustment structure of a car seat (in its initial state).

[0029] Figure 8 This is a reference diagram showing another usage state of the car seat shoulder adjustment structure (in the adjusted state). Detailed Implementation

[0030] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0031] like Figure 1 As shown, a shoulder adjustment structure for a car seat includes a backrest A, with a shoulder support 1 on the upper part of the backrest A. The shoulder support 1 supports the user's shoulder. A height adjustment mechanism 2 and an angle adjustment mechanism 3 are provided between the shoulder support 1 and the backrest A. The height adjustment mechanism 2 can drive the shoulder support 1 to move up and down relative to the backrest A, that is, it can adjust the height position of the shoulder support 1. The angle adjustment mechanism 3 can drive the shoulder support 1 to rotate back and forth relative to the backrest A, that is, it can adjust the support angle of the shoulder support 1.

[0032] Based on the above structural design, and referring to Figure 7 and Figure 8 In practical applications, the shoulder support 1 is equipped with components such as foam and a cover. By setting up a height adjustment mechanism 2 and an angle adjustment mechanism 3, the shoulder support 1 can achieve four-way adjustment. That is, the shoulder support 1 can adjust its height up and down relative to the backrest A and adjust its tilt angle forward and backward. This allows the height and tilt angle of the shoulder support 1 to be flexibly adjusted according to the height, body shape and sitting habits of different drivers and passengers, providing more human-shaped support for the shoulders, improving shoulder comfort and support during sitting, enhancing the adaptability of the seat to different groups of people, and meeting diverse usage needs.

[0033] Furthermore, such as Figure 1 As shown, the shoulder support 1 includes a shoulder support frame 11 and a mounting base plate 12. The mounting base plate 12 is slidably mounted on the upper part of the backrest A. The shoulder support frame 11 supports the user's shoulders, and the lower end of the shoulder support frame 11 is rotatably mounted on the mounting base plate 12. (Reference) Figure 2 The height adjustment mechanism 2 can drive the mounting base plate 12 to move up and down along the height direction of the backrest A, for reference. Figure 5 The angle adjustment mechanism 3 can drive the shoulder support frame 11 to rotate back and forth around its rotation support point with the mounting base plate 12.

[0034] Based on this, the height adjustment mechanism 2 drives the mounting base plate 12 to move up and down along the height direction of the backrest A, which in turn drives the shoulder support frame 11 to move up and down along the height direction of the backrest A, thereby realizing the height adjustment function of the shoulder support 1. The angle adjustment mechanism 3 drives the shoulder support frame 11 to rotate back and forth around its rotation support point with the mounting base plate 12, thereby realizing the tilt angle adjustment function of the shoulder support 1. The two functions are independent of each other and do not interfere with each other. One function can be used for adjustment alone, or both functions can be used simultaneously.

[0035] By disassembling the shoulder support 1 into a shoulder support frame 11 and a mounting base plate 12, assembly and maintenance can be facilitated, while the stability and reliability of the overall structure are enhanced, so that the shoulder support 1 can maintain effective support for the shoulder in different adjustment states.

[0036] Combination Figure 2 and Figure 4 As shown, the height adjustment mechanism 2 includes a first motor 21 mounted on the backrest A, a lead screw 22 driven by the first motor 21, and a nut sleeve 23 sleeved on the lead screw 22. The lead screw 22 extends along the height direction of the backrest A, and the nut sleeve 23 is connected to the mounting base plate 12. The first motor 21 drives the lead screw 22 to rotate, causing the nut sleeve 23 to move along the axis of the lead screw 22, thereby causing the mounting base plate 12 to move up and down along the height direction of the backrest A.

[0037] Further, refer to Figure 1 and Figure 4 A first mounting bracket A1 is fixedly mounted on the rear side of the backrest A, and both ends of the first mounting bracket A1 are fixedly connected to both ends of the backrest A in the width direction. There is an assembly gap a between the first mounting bracket A1 and the mounting base plate 12. Figure 2 As can be seen, the main body of the first motor 21 is located on the front side of the first mounting bracket A1, and a connecting support 124 is provided on the rear side of the mounting base plate 12. This connecting support 124 is used to connect with the nut sleeve 23. The linear movement of the nut sleeve 23 can be accurately transmitted to the mounting base plate 12 through the connecting support 124, thereby driving the mounting base plate 12 to move up and down synchronously. In the above structural design, the assembly gap a provides space for the installation of the height adjustment mechanism 2 and the lifting movement of the mounting base plate 12, avoiding interference between the components. In addition, without increasing the seat size, the height adjustment mechanism 2 can be integrated into the backrest A, which has the technical advantages of reasonable and compact structural layout.

[0038] Reference Figure 4 A connecting support 231 is fixedly fitted onto the nut sleeve 23. The connecting support 231 is perpendicular to the nut sleeve 23, and both ends of the connecting support 231 extend radially outward along the nut sleeve 23. In this embodiment, both ends of the connecting support 231 are rotatably supported on the connecting support 124. This structural design allows the nut sleeve 23 and the mounting base plate 12 to form a rotatable connection. When the lead screw 22 drives the nut sleeve 23 to move axially, it can compensate for installation errors or absorb the sway gap of the device, thus improving the smoothness of the lifting and lowering movement of the mounting base plate 12.

[0039] Depend on Figure 2 As can be seen, in this embodiment, the first motor 21 and the first mounting bracket A1 are also rotatably connected. The purpose of this design is also to compensate for installation errors or absorb the shaking gap of the device, thereby improving the stability and reliability of the lifting movement of the mounting base plate 12.

[0040] Please refer to Figure 5 A guide component 4 is provided between the mounting base 12 and the backrest A. The guide component 4 is used to constrain the sliding direction of the mounting base 12, ensuring that the mounting base 12 can only move in a straight line along the height direction of the backrest A during the height adjustment process, avoiding deviation or shaking, thereby improving the accuracy and stability of the shoulder support 1 height adjustment.

[0041] For details, please refer to the following: Figure 4 The guide assembly 4 includes slide rails 41 and slide plates 42. In this embodiment, the guide assembly 4 is provided in two sets, which are distributed on both sides of the backrest A. The two slide plates 42 are respectively fixed to the inner sides of both ends of the first mounting bracket A1, and the two sets of slide rails 41 are respectively fixed to the rear ends of the mounting base plate 12. The two sets of slide rails 41 are slidably connected to the two slide plates 42.

[0042] like Figure 1 As shown, the shoulder support frame 11 is rotatably mounted on the front side of the mounting base plate 12 via the support crossbar 13. The angle adjustment mechanism 3 includes an arc-shaped toothed plate 31 fixed on the support crossbar 13 and a drive assembly for driving the arc-shaped toothed plate 31 to rotate. The drive assembly drives the arc-shaped toothed plate 31 to rotate, which in turn drives the support crossbar 13 to rotate, thereby driving the shoulder support frame 11 to rotate around the axis of the support crossbar 13, thus realizing the front and rear angle adjustment of the shoulder support frame 11.

[0043] In this embodiment, the mounting base plate 12 is provided with a forward-extending mounting bracket 123, and the support crossbar 13 is rotatably supported on the mounting bracket 123.

[0044] To ensure the stability of the fixed connection between the shoulder support frame 11 and the support crossbar 13, in this embodiment, adapter plates 111 are provided on both the left and right sides of the support frame 11, and the lower ends of the adapter plates 111 are fixedly welded to the support crossbar 13.

[0045] Furthermore, for example Figure 1 and Figure 2 As shown, the drive assembly includes a second motor 32 disposed on the side of the mounting base 12, the output axis of the second motor 32 extending in the direction of the shoulder support frame 11. Figure 6 As can be seen, a gear 33 that meshes with the arc-shaped toothed plate 31 is fixedly sleeved on the output shaft of the second motor 32. With this design, the second motor 32 can efficiently transmit power to the arc-shaped toothed plate 31, thereby driving the shoulder support frame 11 to rotate back and forth, achieving precise adjustment of the shoulder support angle. Simultaneously, the meshing transmission between the gear 33 and the arc-shaped toothed plate 31 not only has the advantages of smooth transmission and low noise, but also has a self-locking function, ensuring that the shoulder support frame 11 can be stably maintained when adjusted to the appropriate angle.

[0046] Combination Figure 2 and Figure 3 As shown, a second mounting bracket 121 extending forward is provided on one side of the mounting base plate 12 in the width direction, and a mounting support 123 is located on the other side. The two ends of the support crossbar 13 are rotatably supported on the second mounting bracket 121 and the mounting support 123, respectively. A support bracket 122 is fixedly provided on the inner side of the second mounting bracket 121. The main body of the second motor 32 is fixedly disposed on the outer side of the second mounting bracket 121. The output shaft b of the second motor 32 extends inward into the inner side of the second mounting bracket 121 and is rotatably supported on the support bracket 122. The support bracket 122, the second mounting bracket 121, and the main body of the second motor 32 are connected as one unit by screws, thereby facilitating the fixed installation of the second motor 32.

[0047] Please refer to Figure 2 The shoulder support 1 is equipped with a massage mechanism 5, which can be a mechanical massager or an air bag massage assembly. In this embodiment, the massage mechanism 5 is a mechanical massager, which includes two symmetrically arranged swing arms. Both swing arms are rotatably mounted on the shoulder support frame 11 via a pivot. Each swing arm has a tapping part at its end away from the pivot, and the tapping part has a spherical structure. The shoulder support frame 11 is also equipped with a drive module (not shown in the figure), which can drive the swing arms to reciprocate within a certain range, so that the distal tapping part forms a tapping massage, thereby providing a reciprocating tapping massage to the user's shoulder, allowing the user's shoulder to relax.

[0048] Finally, it should be noted that the above description is merely a preferred embodiment of the present utility model. Those skilled in the art, under the guidance of the present utility model, can make various similar representations without departing from the spirit and claims of the present utility model, and such modifications all fall within the protection scope of the present utility model.

Claims

1. A shoulder adjustment structure of an automobile seat comprising a backrest (A), characterized by: The upper part of the backrest (A) is provided with a shoulder support (1), and a height adjustment mechanism (2) and an angle adjustment mechanism (3) are provided between the shoulder support (1) and the backrest (A); The height adjustment mechanism (2) is used to drive the shoulder support (1) to move up and down relative to the backrest (A), and the angle adjustment mechanism (3) is used to drive the shoulder support (1) to rotate back and forth relative to the backrest (A).

2. The shoulder adjustment structure of the automobile seat according to claim 1, characterized by: The shoulder support (1) includes a shoulder support frame (11) and a mounting base plate (12). The mounting base plate (12) is slidably mounted on the upper part of the backrest (A). The shoulder support frame (11) is used to support the user's shoulders. The shoulder support frame (11) is rotatably mounted on the mounting base plate (12). The height adjustment mechanism (2) is used to drive the mounting base plate (12) to move up and down along the height direction of the backrest (A), and the angle adjustment mechanism (3) is used to drive the shoulder support frame (11) to rotate back and forth relative to the mounting base plate (12).

3. The car seat shoulder adjustment structure according to claim 2, characterized in that: The height adjustment mechanism (2) includes a first motor (21) mounted on the backrest (A), a lead screw (22) driven to rotate by the first motor (21), and a nut sleeve (23) sleeved on the lead screw (22). The nut sleeve (23) is connected to the mounting base plate (12).

4. The car seat shoulder adjustment structure according to claim 3, characterized in that: A first mounting bracket (A1) is fixedly provided on the rear side of the backrest (A). There is an assembly gap (a) between the first mounting bracket (A1) and the mounting base plate (12). The main body of the first motor (21) is located on the front side of the first mounting bracket (A1). A connecting support (124) is provided on the rear side of the mounting base plate (12). The connecting support (124) is used to connect with the nut sleeve (23).

5. The car seat shoulder adjustment structure according to claim 4, characterized in that: The nut sleeve (23) is fixedly fitted with a connecting branch (231) perpendicular to the nut sleeve (23). The two ends of the connecting branch (231) extend outward along the radial direction of the nut sleeve (23), and the connecting branch (231) is rotatably supported on the connecting support (124).

6. The car seat shoulder adjustment structure according to claim 2, characterized in that: A guide component (4) is provided between the mounting base plate (12) and the backrest (A), and the guide component (4) is used to constrain the sliding direction of the mounting base plate (12).

7. The car seat shoulder adjustment structure according to claim 2, characterized in that: The shoulder support frame (11) is rotatably mounted on the front side of the mounting base plate (12) via the support crossbar (13). The angle adjustment mechanism (3) includes an arc-shaped toothed plate (31) fixed on the support crossbar (13) and a drive assembly for driving the arc-shaped toothed plate (31) to rotate.

8. The automotive seat shoulder adjustment structure according to claim 7, characterized in that: The drive assembly includes a second motor (32) disposed on the side of the mounting base plate (12), the output shaft of the second motor (32) extends in the direction of the shoulder support frame (11), and a gear (33) that meshes with the arc-shaped toothed plate (31) is fixedly sleeved on the output shaft of the second motor (32).

9. The automotive seat shoulder adjustment structure according to claim 8, characterized in that: The mounting base plate (12) has a forward-extending second mounting bracket (121) on its side. A support bracket (122) is fixed inside the second mounting bracket (121). The main body of the second motor (32) is located outside the second mounting bracket (121). The output axis of the second motor (32) extends into the inside of the second mounting bracket (121) and is rotatably supported on the support bracket (122).

10. The car seat shoulder adjustment structure according to claim 1, characterized in that: The shoulder support (1) is provided with a massage mechanism (5), which is a mechanical massager or an air bag massage component.

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