Movement limiting structure, seat adjusting device and vehicle

Abstract

The utility model discloses a movable limiting structure, a seat adjusting device and a vehicle. The moving limiting structure comprises a moving part and a buffering part, the buffering part is arranged on the moving part, the buffering part can limit the moving part, the buffering part comprises a hard layer and an elastic layer, the elastic layer is suitable for being arranged outside the hard layer, and the elastic layer is arranged outside the hard layer. The elastic layer is suitable for forming buffering when the moving part is limited. The movable limiting structure can effectively reduce noise generated when the buffering component is used for limiting and stopping.

Description

Technical Field

[0001] The utility model relates to the technical field of limiting equipment, and more specifically, to a movable limiting structure, a seat adjusting device and a vehicle. Background Art

[0002] In the related art, the position of the car seat is generally adjusted by a screw mechanism, and a sleeve is usually provided at one end of the screw, which can be abutted against a limiting structure such as a reduction box bracket, thereby limiting the position of the screw. However, the sleeve structure produces a large noise when it collides with the reduction box bracket.

[0003] Therefore, it is necessary to provide a new technical solution to solve the above technical problems. Utility Model Content

[0004] One purpose of the utility model is to provide a new technical solution for a mobile limiting structure.

[0005] According to a first aspect of the present invention, a movable limiting structure is provided. The movable limiting structure comprises:

[0006] Moving parts;

[0007] A buffer component is provided on the moving part, and the buffer component can limit the moving part;

[0008] The buffer component comprises a hard layer and an elastic layer, wherein the elastic layer is suitable for being arranged outside the hard layer, and the elastic layer is suitable for forming a buffer when limiting the position of the moving part.

[0009] Optionally, the elastic layer comprises rubber or silicone.

[0010] Optionally, the moving member is a screw rod, a threaded section is provided on the screw rod, the threaded section includes a first end and a second end opposite to each other, and the buffer component is provided on a side of the first end away from the second end.

[0011] Optionally, a limiting component is further included, wherein the limiting component is connected to the moving part and can limit the moving range of the moving part; the limiting component is arranged on a side of the buffer component away from the threaded segment.

[0012] Optionally, the limiting component is engaged with the moving part.

[0013] Optionally, the limiting component is provided with a first opening, the moving member is provided with a first groove, and the limiting component is suitable for being engaged with the first groove through the first opening.

[0014] Optionally, the movable limiting structure further includes at least one elastic member, and the elastic member is arranged on a side of the first end away from the second end.

[0015] According to a second aspect of the present invention, a seat adjustment device is provided, which includes the movement limiting structure of the above embodiment.

[0016] Optionally, the seat adjustment device comprises a reduction box, the movable member is screwed to the reduction box, and the buffer component is suitable for abutting against the reduction box to limit the movable member.

[0017] According to a third aspect of the utility model, a vehicle is provided, which comprises the seat adjustment device of the above embodiment.

[0018] One of the technical effects of the present application is that the movable limiting structure includes a movable part and a buffer component, the buffer component is arranged on the movable part, the buffer component can limit the movable part, the buffer component includes a hard layer and an elastic layer, the hard layer can limit the movable part, and the elastic layer can form a buffer when limiting the movable part, thereby effectively reducing the noise generated when the buffer component limits the stop.

[0019] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the present invention and, together with the description, serve to explain the principles of the present invention.

[0021] Figure 1 It is a structural schematic diagram of a seat adjustment device according to an embodiment of the present application.

[0022] Figure 2 yes Figure 1 A cross-sectional view taken along AA is shown.

[0023] Figure 3 yes Figure 2 An enlarged view of B is shown.

[0024] Figure 4 It is a schematic structural diagram of a limiting component of an embodiment of the present application.

[0025] Figure 5 It is a schematic structural diagram of a buffer component according to an embodiment of the present application.

[0026] Reference numerals:

[0027] 1. a limiting component; 11. a first opening;

[0028] 2. Buffer component; 21. Elastic layer; 22. Hard layer;

[0029] 3. Moving member; 31. Threaded section; 32. Polished rod; 33. First groove;

[0030] 4. reduction box; 41. bracket; 411. blocking part; 42. housing; 43. gear thread sleeve;

[0031] 5. Driving parts. DETAILED DESCRIPTION

[0032] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that unless otherwise specifically stated, the relative arrangements of components and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present invention.

[0033] The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the present invention, its application, or uses.

[0034] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0035] In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not limiting. Therefore, other examples of the exemplary embodiments may have different values.

[0036] It should be noted that like reference numerals and letters refer to similar items in the following figures, and therefore, once an item is defined in one figure, it need not be further discussed in subsequent figures.

[0037] According to one embodiment of the present application, a movable limiting structure is provided. Figures 1 to 3 As shown, the movable limiting structure comprises: a movable member 3 and a buffer component 2. The buffer component 2 is arranged on the movable member 3, and the buffer component 2 can limit the movable member 3. The buffer component 2 comprises a hard layer 22 and an elastic layer 21, and the elastic layer 21 is suitable for being arranged outside the hard layer 22, and the elastic layer 21 is suitable for forming a buffer when limiting the movable member 3.

[0038] In this example, if Figures 1 to 3 As shown, the moving member 3 is movably installed on the driving structure, for example, the driving structure is a reduction box 4, etc. The driving structure can drive the moving member 3 to move. The buffer component 2 is arranged on the moving member 3. When the moving member 3 moves to the limit position, the buffer component 2 can abut against the resisting portion 411. The hard layer 22 can play a role in limiting the moving member 3, and the elastic layer 21 outside the hard layer 22 can form a buffer when limiting the moving member 3, thereby effectively reducing the noise generated when the buffer component 2 stops and limits.

[0039] The elastic layer 21 includes rubber or silicone. Rubber or silicone has good flexibility and good buffering effect. In addition, rubber or silicone is also convenient for injection molding. Of course, the elastic layer 21 can also be made of other flexible materials, which can be determined by those skilled in the art according to actual conditions, and is not specifically limited here.

[0040] The hard layer 22 includes a metal sheet. By wrapping the elastic layer 21 on the outside of the metal sheet, when the hard layer 22 limits the movable part 3, the elastic layer 21 can respectively resist the hard layer 22 and the blocking part 411, thereby forming a buffer. Among them, the hard layer 22 can be a metal material such as stainless steel, copper, iron or aluminum alloy. Alternatively, the hard layer 22 can also be other non-metallic materials with higher strength. Those skilled in the art can determine according to actual conditions, and no specific limitation is made here. Among them, the metal sheet is an annular structure, and the elastic layer 21 is wrapped on the outside of the metal sheet to form a buffer component 2 with an annular structure.

[0041] In an example, Figure 2 and Figure 3 As shown, the moving member 3 is a screw rod, and a threaded section 31 is provided on the screw rod. The threaded section 31 includes a first end and a second end opposite to each other, and the buffer component 2 is provided on a side of the first end away from the second end. It can be understood that when the moving member 3 moves from the first end to the second end, the buffer component 2 can abut against the blocking component (such as the blocking portion 411) to limit the moving member 3.

[0042] like Figure 2 and Figure 3 As shown, in this example, the moving member 3 is a screw, which is threadedly connected to the reduction box 4, and the screw is inserted into the reduction box 4, and the reduction box 4 can drive the screw to move axially. A light rod portion 32 is provided on the side of the first end of the threaded segment 31 away from the second end shown, and the buffer component 2 can be installed on the light rod portion 32 to facilitate the installation of the buffer component 2 and make the buffer component 2 more stable. The second end of the threaded segment 31 is suitable for connecting to the seat, and the screw is driven to move through the reduction box 4, so that the position of the seat can be adjusted.

[0043] Of course, the moving member 3 of the present application may also be other structures, for example, the moving member 3 may be a rack, a transmission shaft or a transmission rod, etc. Those skilled in the art may determine according to actual conditions, and no specific limitation is made here.

[0044] In an example, Figures 1 to 4As shown, the movable limiting structure further includes a limiting component 1, which is connected to the movable member 3 and can limit the moving range of the movable member 3. The limiting component 1 is arranged on the side of the buffer member 2 away from the threaded section 31. By adding the limiting component 1 to limit the movable member 3, the stability during the limiting can be improved.

[0045] like Figure 3 As shown, in this example, the limiting component 1 is connected to the moving part 3 and is located on the side of the buffer component 2 away from the threaded section 31. The limiting component 1 can further limit the moving part 3. The limiting component 1 is connected to the light rod portion 32 of the moving part 3, and the buffer component 2 is connected to the moving part 3 and is located on one side of the limiting component 1. A stopper 411 can be provided on the side of the buffer component 2 away from the limiting component 1. When the moving part 3 moves to the extreme position, the buffer component 2 can abut against the stopper 411, and the limiting component 1 and the buffer component 2 abut against each other, so that the moving part 3 can be further limited by the limiting component 1, and the elastic layer 21 of the buffer component 2 can also form a buffering effect to reduce the noise generated during the stop.

[0046] The hard layer 22 can be connected to the moving part 3, and the elastic layer 21 can be located on the side of the hard layer 22 away from the limiting component 1, that is, the elastic layer 21 is located on the side of the hard layer 22 facing the abutment 411. When the moving part 3 moves to the right to the limit position, the elastic layer 21 can abut against the abutment 411, and the limiting component 1 abuts against the hard layer 22 to limit the moving part 3, and the hard layer 22 can play the role of auxiliary stop. The elastic layer 21 collides with the abutment 411 to reduce the vibration noise generated during the stop.

[0047] Alternatively, the elastic layer 21 is located on the side of the hard layer 22 facing the limiting component 1, that is, the elastic layer 21 is located on the side of the hard layer 22 away from the abutment portion 411. When the moving member 3 moves rightward to the limit position, the hard layer 22 can abut against the abutment portion 411, and the limiting component 1 abuts against the elastic layer 21 to limit the moving member 3. The elastic layer 21 collides with the limiting component 1, thereby reducing the vibration noise generated when the moving limiting structure stops.

[0048] Alternatively, the elastic layer 21 is located on two opposite sides of the hard layer 22, that is, the elastic layer 21 is provided on both the side facing the stopper 411 and the side facing the position-limiting component 1. When the moving member 3 moves rightward to the limit position, the elastic layer 21 can abut against the stopper 411, and the position-limiting component 1 abuts against the elastic layer 21, so as to limit the moving member 3. By the collision and abutment between the elastic layer 21 and the position-limiting component 1, and the collision and abutment between the elastic layer 21 and the stopper 411, the vibration noise generated when the moving position-limiting structure stops can be further reduced.

[0049] Or, if Figure 3 As shown, the elastic layer 21 is wrapped around the outside of the hard layer 22. The elastic layer 21 can completely wrap around the outside of the hard layer 22, so that the elastic layer 21 is provided on both sides of the hard layer 22. During assembly, the elastic layer 21 is sleeved on the moving part 3, for example, by interference fit with the moving part 3, to improve the stability of the connection. Wrapping the elastic layer 21 around the outside of the hard layer 22 can improve the buffering effect of the elastic layer 21 and effectively reduce the vibration noise generated when stopping.

[0050] The elastic layer 21 can be wrapped around the outside of the hard layer 22 by injection molding. For example, the hard layer 22 is placed in a mold, and the flexible material is injection molded into the mold so that the flexible material is wrapped around the outside of the hard layer 22, and the elastic layer 21 is formed after being fixed and molded. Alternatively, the elastic layer 21 can be bonded to the hard layer 22 by glue. Those skilled in the art can determine according to actual conditions, and no specific limitation is made here.

[0051] Furthermore, by providing the elastic layer 21, the axial load force on the limiting component 1 can be made more uniform, so that the limiting component 1 can withstand a greater axial force, thereby preventing the limiting component 1 from deforming or falling off due to excessive local force. The hard layer 22 can increase the strength of the buffer component 2, so that it can also bear a certain axial load force, so as to improve the overall bearing capacity of the mobile limiting structure.

[0052] In this example, the limiting component 1 is fastened to the moving component 3 , and the buffer component 2 is fastened to the moving component 3 , so as to avoid generating a large noise due to vibration when the moving limiting structure collides with the resisting portion 411 .

[0053] In this example, the limiting component 1 can be made of metal materials such as stainless steel, copper, iron or aluminum alloy, so that the limiting component 1 has high strength and can increase the force. Of course, the material of the limiting component 1 can be determined by those skilled in the art according to actual conditions, and no specific limitation is made here.

[0054] In this example, the outer diameter of the buffer component 2 is greater than or equal to the outer diameter of the limiting component 1. The outer diameter of the buffer component 2 is greater than or equal to the outer diameter of the limiting component 1, that is, along the transmission direction of the moving member 3, the positive projection of the buffer component 2 covers the positive projection of the limiting component 1. So that when the limit stop is performed, the side of the buffer component 2 facing the limiting component 1 can completely cover the limiting component 1, thereby preventing the limiting component 1 from directly colliding with the blocking portion 411.

[0055] In this example, if Figures 3 to 5As shown, the limiting component 1 and the buffer component 2 are both configured as an annular structure. The limiting component 1 is sleeved on the moving part 3, and the buffer component 2 is sleeved on the moving part 3. The outer diameter of the buffer component 2 is larger than the outer diameter of the limiting component 1, or the outer diameter of the buffer component 2 is equal to the outer diameter of the limiting component 1. That is, along the transmission direction of the moving part 3, the orthographic projection of the buffer component 2 covers the orthographic projection of the limiting component 1. When the moving part 3 moves to the extreme position, the buffer component 2 abuts against the abutment portion 411, and the limiting component 1 can completely abut against the buffer component 2, which is conducive to more uniform force on the limiting component 1.

[0056] In this example, if Figure 2 As shown, the resisting portion 411 cooperates with the structure of the buffer component 2 so that the buffer component 2 can stably resist the resisting portion 411. For example, the buffer component 2 is an annular structure, and the resisting portion 411 is an annular groove structure that cooperates with the buffer component 2. When the moving member 3 moves to the extreme position along the transmission direction, the buffer component 2 can be embedded in the annular groove and resist the bottom wall of the annular groove, so that the buffer component 2 can stably resist the resisting portion 411 to improve the stopping effect.

[0057] Alternatively, the limiting component 1 and the buffer component 2 may also be in other shapes, such as an ellipse, a rectangle or an irregular shape, etc. Those skilled in the art may determine the shape according to actual conditions, and no specific limitation is made here.

[0058] In an example, Figure 3 and Figure 4 As shown, the limiting component 1 is engaged with the moving component 3 to improve the convenience of connecting the limiting component 1.

[0059] like Figure 4 As shown, the limiting component 1 has at least one first opening 11, and the limiting component 1 is engaged with the moving part 3 through the first opening 11. That is, the limiting component 1 can be a clamping ring structure, which can be easily engaged with the moving part 3.

[0060] The limiting component 1 can be an E-shaped retaining spring or the like, which has a simple structure, is easy to assemble, and has low material and processing costs. Of course, the specific structure of the limiting component 1 can be determined by those skilled in the art according to actual conditions, and is not specifically limited here.

[0061] In this example, if Figure 3 As shown, a first groove 33 is formed on the moving member 3 , and the limiting component 1 is adapted to be engaged in the first groove 33 through the first opening 11 .

[0062] like Figure 3As shown, in this example, an annular first groove 33 can be provided on the movable member 3, and the limiting component 1 can be snapped into the first groove 33, so as to limit the movement of the limiting component 1 to avoid the position of the limiting component 1 being offset when the limiting component 1 collides with each other.

[0063] In this example, there is a gap between the buffer component 2 and the limiting component 1, which can prevent the buffer component 2 from blocking the first groove 33, so as to facilitate the assembly of the limiting component 1. Alternatively, the limiting component 1 can also contact the buffer component 2, and the limiting component 1 is directly connected to the moving part 3 and is located on one side of the buffer component 2.

[0064] In this example, the limiting component 1 can also be fixedly connected to the end of the moving part 3 along the axial direction by a structure such as a bolt or a screw. Alternatively, the limiting component 1 can also be sleeved on the moving part 3, that is, the limiting component 1 is provided with a mounting hole, the moving part 3 is inserted into the mounting hole, and the limiting component 1 can be fixed on the moving part 3. Of course, the limiting component 1 can also be connected in other ways, which can be determined by those skilled in the art according to actual conditions, and is not specifically limited here.

[0065] In one example, the movable limiting structure also includes at least one elastic member, which is arranged on the side of the first end away from the second end. An elastic member is also arranged on the side of the first end of the movable member 3 away from the second end to further improve the buffering effect.

[0066] In this example, the elastic member can be arranged at one end of the buffer component 2 facing the stopper 411. At least one elastic member is arranged at one end of the buffer component 2. When the moving member 3 is limited, the elastic member can resist the stopper 411 to further improve the buffering effect. For example, the elastic member can be a spring.

[0067] Alternatively, the elastic member may also be disposed on the position-limiting component 1. For example, the elastic member may be disposed at one end of the position-limiting component 1 facing the buffer component 2. That is, the elastic member may be disposed between the position-limiting component 1 and the buffer component 2.

[0068] According to a second aspect of the present invention, a seat adjustment device is provided. Figure 1 to Figure 2 As shown, the seat adjustment device includes the movement limiting structure of the above embodiment.

[0069] In this example, the movable limiting structure includes a movable part 3 and a buffer component 2. The buffer component 2 is arranged on the movable part 3, and the buffer component 2 includes a hard layer 22 and an elastic layer 21, and the elastic layer 21 is suitable for being arranged outside the hard layer 22. The buffer component 2 can limit the movable part 3, and the buffer component 2 is suitable for forming a buffer when limiting the movable part 3.

[0070] like Figure 1 and Figure 2 As shown, in this example, the seat adjustment device further includes a reduction box 4 , the moving member 3 is screwed to the reduction box 4 , and the buffer component 2 is suitable for abutting against the reduction box 4 .

[0071] In this example, the moving member 3 can be a screw rod, which can be movably screwed to the reduction box 4, and the reduction box 4 can drive the screw rod to move. The reduction box 4 is provided with a stopper 411 on the side facing the buffer component 2. When the screw rod moves to the limit position, the buffer component 2 can abut against the stopper 411 to form a stop limit. The elastic layer 21 outside the hard layer 22 can play a buffering role and effectively reduce the noise generated when stopping.

[0072] like Figure 1 and Figure 2 As shown, in this example, the moving member 3 is screwed to the reduction box 4. That is, a gear thread sleeve 43 is provided in the reduction box 4, and the gear thread sleeve 43 has an internal thread. The screw rod is passed through the gear thread sleeve 43 and screwed to the gear thread sleeve 43, and the rotation of the gear thread sleeve 43 can drive the screw rod to move axially. The first end of the screw rod is suitable for connecting to the seat, and the other end is connected to the buffer component 2. The screw rod is driven to move by the reduction box 4, so that the position of the seat can be adjusted.

[0073] In this example, if Figure 1 and Figure 2 As shown, the gear box also includes a housing 42 and a bracket 41, and the housing 42 is mounted on the bracket 41. The gear thread sleeve 43 is arranged in the housing 42, and the moving member 3 is passed through the housing 42 and the bracket 41, and is screwed to the gear thread sleeve 43. A stopper 411 is arranged on one side of the bracket 41 facing the movable limit structure, which is suitable for abutting against the buffer component 2.

[0074] like Figure 3 As shown, in this example, the moving member 3 has a threaded section 31 and a smooth rod portion 32. The smooth rod portion 32 is located at one side of the threaded section 31 along the axial direction. Or the smooth rod portion 32 is located at one end of the moving member 3 along the axial direction. The threaded section 31 is suitable for threading the gear thread sleeve 43. The buffer component 2 and the limit component 1 are connected to the smooth rod portion 32.

[0075] In this example, if Figure 2 As shown, the seat adjustment device also includes a driving member 5, which is connected to the gear sleeve 43 through a reduction gear set. That is, the driving member 5 is connected to the bracket 41, the transmission gear set is arranged in the housing 42, and the outer periphery of the gear sleeve 43 is provided with meshing teeth to mesh with the transmission gear set. Among them, the driving member 5 can be a driving motor, which drives the reduction gear mechanism to rotate through the driving motor to drive the gear sleeve 43 to rotate, thereby driving the screw to move. Alternatively, the driving member 5 can also be other types of rotary actuators, which can be determined by those skilled in the art according to actual conditions, and are not specifically limited here.

[0076] In this example, the seat adjustment device can be used to adjust the seat in the vehicle. Alternatively, it can also be used to adjust the seat of other equipment. Those skilled in the art can determine according to actual conditions, and no specific limitation is made here.

[0077] According to a third aspect of the present invention, a vehicle is provided, which comprises the seat adjustment device of the above embodiment, and the position or tilt angle of the seat of the vehicle can be adjusted by the seat adjustment device.

[0078] In this example, the seat adjustment device includes the above-mentioned movement limiting structure. The movement limiting structure includes a moving part 3 and a buffer component 2. The buffer component 2 is arranged on the moving part 3, and the buffer component 2 includes a hard layer 22 and an elastic layer 21, and the elastic layer 21 is suitable for being arranged outside the hard layer 22. The buffer component 2 can limit the moving part 3, and the buffer component 2 is suitable for forming a buffer when limiting the moving part 3.

[0079] In this example, the vehicle may be an electric vehicle or a fuel vehicle, etc. Those skilled in the art may determine the method based on actual conditions, and no specific limitation is made here.

[0080] The above embodiments focus on the differences between the various embodiments. As long as the different optimization features between the various embodiments are not contradictory, they can be combined to form a better embodiment. Considering the simplicity of the text, they will not be repeated here.

[0081] Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present invention. It should be understood by those skilled in the art that the above embodiments may be modified without departing from the scope and spirit of the present invention. The scope of the present invention is defined by the appended claims.

Claims

1. A movable limiting structure, characterized in that: include: Moving parts; A buffer component is provided on the moving part, and the buffer component can limit the moving part; The buffer component comprises a hard layer and an elastic layer, wherein the elastic layer is suitable for being arranged outside the hard layer, and the elastic layer is suitable for forming a buffer when limiting the position of the moving part.

2. The movable limiting structure according to claim 1, characterized in that: The elastic layer includes rubber or silicone.

3. The movable limiting structure according to claim 1, characterized in that: The moving member is a screw rod, a threaded section is arranged on the screw rod, the threaded section includes a first end and a second end opposite to each other, and the buffer component is arranged on a side of the first end away from the second end.

4. The movable limiting structure according to claim 3, characterized in that: It also includes a limiting component, which is connected to the moving part and can limit the moving range of the moving part; the limiting component is arranged on a side of the buffer component away from the threaded section.

5. The movable limiting structure according to claim 4, characterized in that: The limiting component is engaged with the moving part.

6. The movable limiting structure according to claim 5, characterized in that: The limiting component is provided with a first opening, the moving member is provided with a first groove, and the limiting component is suitable for being clamped in the first groove through the first opening.

7. The movable limiting structure according to claim 3, characterized in that: The movable limiting structure further includes at least one elastic member, and the elastic member is arranged on a side of the first end away from the second end.

8. A seat adjustment device, characterized in that: It comprises a movable limiting structure as described in any one of claims 1 to 7.

9. The seat adjustment device according to claim 8, characterized in that: It also includes a reduction box, the moving member is screwed to the reduction box, and the buffer component is suitable for abutting against the reduction box to limit the moving member.

10. A vehicle, characterized in that: The invention comprises a seat adjustment device as claimed in any one of claims 8 to 9.

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