Adjusting device

Abstract

The utility model discloses an adjusting device which comprises a first component and a second component which are in sliding fit. The first component is provided with a locking part, and a sliding piece is slidably arranged on the second component and can selectively get close to or get away from the locking part. A rotating part is rotationally arranged between the second part and the sliding part, and the rotating axis is in the sliding direction of the sliding part; when rotating, the rotating piece can drive the sliding piece to slide in the axial direction; when the sliding piece is close to the locking part, the first part and the second part are locked and matched, and the first part and the second part are relatively static; when the sliding piece is far away from the locking part, the two parts can slide relatively; compared with an existing adjusting device, the device adopts brand new structural design, achieves the same function in a simple and ingenious mode, is simplified in structure and unique and novel in design, can easily leave deep impressions for consumers, has higher competitiveness in the market, and is expected to provide powerful support for upgrading and updating of seat products.

Description

Technical Field

[0001] This utility model relates to the field of furniture, and in particular to an adjustment device. Background Technology

[0002] In the furniture industry, chairs, as one of the most frequently used pieces of furniture in people's daily work and life, have always received much attention for their design and functional development. Early traditional chairs had relatively simple designs and fixed structures, with almost no adjustable parts. This made it difficult for chairs to provide personalized support and comfort when faced with different body types, sitting habits, and usage scenarios. For example, taller and shorter people using chairs of the same height will experience significant differences in leg support and comfort; maintaining the same sitting posture for extended periods, with a fixed chair unable to adjust to the body's fatigue level, can easily lead to fatigue and discomfort in various parts of the body, such as lower back pain, stiff neck, and other problems.

[0003] With social development and improved living standards, people have higher demands for the comfort and functionality of chairs. In office settings, people need to sit for long periods of time, requiring chairs that can flexibly adjust the position and angle of components such as the backrest, armrests, and seat cushion according to changes in work posture, such as leaning forward, reclining, and turning left and right, to reduce physical fatigue and improve work efficiency. In leisure settings, people also hope that chairs can provide a more comfortable reclining posture to meet their need for relaxation.

[0004] However, existing seat adjustment devices have many shortcomings in terms of structural complexity, adjustment accuracy, stability, and ease of operation. In particular, some adjustment devices are complex in structure, have high cost, and are prone to failure. Therefore, the market urgently needs a new type of adjustment device that can easily and efficiently realize the flexible adjustment of various parts of the seat to meet people's diverse needs for seat comfort and functionality. Summary of the Invention

[0005] To address the aforementioned technical problems, this utility model provides an adjustment device comprising a first component and a second component, which are slidably coupled. The first component has a locking part, and a sliding member is slidably mounted on the second component, selectively moving closer to or away from the locking part. A rotating member is rotatably mounted between the second component and the sliding member, with its rotation axis along the sliding direction of the sliding member. When the rotating member rotates, it drives the sliding member to slide axially. When the sliding member approaches the locking part, the two components lock together, and the first and second components remain relatively stationary. When the sliding member moves away from the locking part, the two components can slide relative to each other. This device achieves locking and unlocking by rotating the rotating member to move the sliding member closer to or away from the locking part, thus enriching the mobility of the seat components, improving the adaptability, functionality, and comfort of the seat, and meeting the diverse needs of users. Compared with existing adjustment devices, this device adopts a completely new structural design, achieving the same function in a simple and ingenious way. It not only simplifies the structure but also has a unique and novel design, easily leaving a deep impression on consumers and possessing stronger competitiveness in the market. It is expected to provide strong support for the upgrading and replacement of seat products.

[0006] The technical solution of this utility model is implemented as follows:

[0007] An adjusting device includes a first component and a second component, which are slidably engaged. The first component has a locking part, and the second component has a sliding member that slidably moves closer to or away from the locking part. A rotating member is rotatably provided between the second component and the sliding member, and the rotation axis of the rotating member is set along the sliding direction of the sliding member. The rotating member is configured to drive the sliding member to slide along the axial direction of the rotating member when it rotates. When the sliding member moves closer to the locking part, the sliding member locks with the locking part, and the first component and the second component are relatively stationary. When the sliding member moves away from the locking part, the first component and the second component can slide relative to each other.

[0008] The rotation of the rotating component drives the sliding component to slide along its axis, thereby moving it closer to or away from the locking part. When the sliding component approaches the locking part, the two components lock together, maintaining a relative positional relationship. When the sliding component moves away from the locking part, the two components unlock, allowing the first and second components to slide relative to each other for adjustment. This gives the seat components greater mobility, increasing the seat's adaptability, functionality, and comfort, and meeting diverse user needs. This adjustment device achieves the functions of existing devices through a newly designed structure. It is not only simpler and more ingeniously designed, but also unusual and eye-catching, leaving a lasting impression on consumers and giving it better market competitiveness.

[0009] Preferably, a driving structure is provided between the rotating member and the sliding member. The driving structure includes at least one protrusion, which is disposed on the rotating member or the sliding member and faces the other protrusion. The other rotating member or the sliding member also has an abutment surface. The abutment surface and the protrusion selectively abut against each other as the rotating member rotates. When the protrusion abuts against the abutment surface, the sliding member and the locking member are locked together. When the protrusion leaves the abutment surface, the first member and the second member can slide relative to each other. The rotation of the rotating component drives the sliding component to slide through the engagement of the protrusion and the abutment surface. The presence of the protrusion creates a height difference along the axial direction of the rotating component or the sliding direction of the sliding component. This height difference determines the distance the sliding component can slide. The presence of the abutment surface is the basis for the function of the protrusion. The position of the sliding component is determined by whether the protrusion and the abutment surface abut, and the distance the sliding component can slide is determined by the height difference of the protrusion. When the rotating component rotates, the protrusion and the abutment surface selectively abut, and the abutment is periodically changed. The sliding component also slides periodically with the rotation of the rotating component, thereby realizing the switching between locking and unlocking the first and second components. Furthermore, the state can be switched by rotating the rotating component in any opposite direction, making the operation simpler and more convenient and reducing the possibility of misoperation.

[0010] Preferably, the surface of the slider facing the rotating member is flat, and this surface is the abutment surface; the protrusion is provided on the rotating member, the distance between the protrusion and the axis of the rotating member is greater than the width of the abutment surface, and the distance between the protrusion and the axis of the rotating member is less than the length of the abutment surface; when the protrusion is located beside the slider, the first component and the second component can slide relative to each other. In this solution, the protrusion rotates with the rotation of the rotating member, and its length configuration allows the protrusion to move away from or abut against the abutment surface. When unlocking is required, the protrusion is located directly beside the slider, which allows the protrusion to disengage from the abutment surface. When locking is required, the protrusion rotates from the side of the slider and moves inward until it abuts against the abutment surface.

[0011] Preferably, the protrusion is disposed on the rotating member, and the contact surface is located on the sliding member; the sliding member also has a notch, and the notch is located on the contact surface; when the protrusion is located in the notch, the first component and the second component can slide relative to each other. In this solution, the protrusion exhibits a height difference when switching between the notch on the sliding member and the contact surface, pushing the sliding member to move and thus realizing the state switching.

[0012] Preferably, the notch extends through the slider.

[0013] Preferably, the protrusion is disposed on the slider, and the abutment surface is located on the rotating member; the rotating member also has a notch, and the notch is located on the abutment surface; when the protrusion is located in the notch, the first component and the second component can slide relative to each other. In this scheme, the notch rotates with the rotating member, and the protrusion passively switches between the notch and the abutment surface.

[0014] Preferably, the notch extends through the rotating part.

[0015] Preferably, an elastic element is provided between the locking part and the sliding part, and the elastic element is configured to provide elastic force to the sliding part to slide away from the locking part.

[0016] Preferably, the sliding member has a first locking tooth on its end face facing the locking part, and the locking part has a plurality of second locking teeth distributed along the length direction of the first component; when the sliding member is close to the locking part and the first locking tooth engages with the second locking tooth, the sliding member and the locking part are locked together.

[0017] Preferably, the system also includes an operating component, which is rotatably mounted on the second component. One end of the operating component protrudes from both the first and second components, while the other end is linked to the rotating component. The operating component can rotate in any direction and can be switched between the first and second components before locking and unlocking, making operation convenient.

[0018] The design starting point, concept, and beneficial effects of this utility model, which adopts the above technical solution, are as follows:

[0019] The rotation of the rotating component drives the sliding component to slide along its axis, thereby moving it closer to or away from the locking part. When the sliding component approaches the locking part, the two components lock together, maintaining a relative positional relationship. When the sliding component moves away from the locking part, the two components unlock, allowing the first and second components to slide relative to each other for adjustment. This gives the seat components greater mobility, increasing the seat's adaptability, functionality, and comfort, and meeting diverse user needs. This adjustment device achieves the functions of existing devices through a newly designed structure. It is not only simpler and more ingeniously designed, but also unusual and eye-catching, leaving a lasting impression on consumers and giving it better market competitiveness. Attached Figure Description

[0020] Figure 1 This is a three-dimensional structural diagram of the adjustment device applied to the handrail in Embodiment 1 of this utility model;

[0021] Figure 2 This is an exploded view of the adjustment device of this utility model applied to the handrail in Embodiment 1;

[0022] Figure 3 This is a three-dimensional structural diagram of the sliding component in Embodiment 1 of this utility model;

[0023] Figure 4 This is a three-dimensional structural diagram of the rotating component in Embodiment 1 of this utility model;

[0024] Figure 5 This is a schematic diagram showing that in Embodiment 1 of this utility model, the protrusion of the rotating component is located next to the sliding component;

[0025] Figure 6 This is a three-dimensional structural diagram of the present invention with a locking part on the first component in Embodiment 1;

[0026] Figure 7 This is a schematic diagram of the rotating component driving the sliding component to slide axially in Embodiment 1 of this utility model;

[0027] Figure 8 This is a schematic diagram of the rotating part having a protrusion in Embodiment 2 of the present invention;

[0028] Figure 9 This is a schematic diagram showing that the slider of this utility model has a notch in Embodiment 2;

[0029] Figure 10 This is a schematic diagram showing that the rotating part of the present invention has a notch in Embodiment 3;

[0030] Figure 11 This is a schematic diagram of the slider having a protrusion in Embodiment 3 of this utility model.

[0031] The reference numerals in the attached figures are as follows: First component 1; Locking part 11; Second locking tooth 111; Second component 2; Sliding part 3; First locking tooth 31; Rotating part 4; Protrusion 5; Inclined surface 51; Abutting surface 6; Operating part 7; Knob 71; Shaft 72; Notch 8; Elastic part 10. Detailed Implementation

[0032] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0033] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0034] In the description of this utility model, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] The specific embodiments of this utility model are as follows:

[0036] Example 1: As Figure 1-7As shown, this utility model provides an adjustment device, including a first component 1 and a second component 2. The first component 1 and the second component 2 are slidably engaged. The first component 1 is provided with a locking part 11, and the second component 2 is slidably provided with a sliding member 3. The sliding member 3 selectively slides closer to or away from the locking part 11. A rotating member 4 is rotatably provided between the second component 2 and the sliding member 3. The rotation axis of the rotating member 4 is set along the sliding direction of the sliding member 3. The rotating member 4 is configured to drive the sliding member 3 to slide along the axial direction of the rotating member 4 when the rotating member 4 rotates. When the sliding member 3 slides closer to the locking part 11, the sliding member 3 is locked with the locking part 11, and the first component 1 and the second component 2 are relatively stationary. When the sliding member 3 slides away from the locking part 11, the first component 1 and the second component 2 can slide relative to each other.

[0037] The rotation of the rotating component 4 drives the sliding component 3 to slide along its axial direction, thereby moving it closer to or away from the locking part 11. When it approaches the locking part 11, the two components lock together, maintaining a relative positional relationship. When the sliding component 3 moves away from the locking part 11, the two components unlock, allowing the first component 1 and the second component 2 to slide relative to each other for adjustment. This provides greater mobility to the seat components, increasing the seat's adaptability, functionality, and comfort, and meeting diverse user needs. This adjustment device achieves the functions of existing devices through a newly designed structure. It is not only simpler and more ingeniously designed, but also unusual and eye-catching, leaving a lasting impression on consumers and giving it better market competitiveness.

[0038] Specifically, an elastic element 10 is provided between the locking part 11 and the sliding member 3. The elastic element 10 is configured to provide elastic force to the sliding member 3 to slide away from the locking part 11. The elastic element 10 can be a spring or a sheet. It also includes an operating member 7, which is rotatably mounted on the second component 2. One end of the operating member 7 is exposed between the first component 1 and the second component 2, and the other end of the operating member 7 is linked with the rotating member 4. The operating member 7 includes a shaft 72 and a knob 71. The knob 71 is exposed between the first and second components. The shaft 72 is inserted into the first and second components. The shaft 72 is inserted into the elastic element 10, the sliding member 3, and the rotating member 4, and slides with the elastic element 10 and the sliding member 3. It rotates synchronously with the rotating member 4 through a limiting plane.

[0039] The sliding member 3 has a first locking tooth 31 on its end face facing the locking part 11, and the locking part 11 has a plurality of second locking teeth 111, which are distributed along the length direction of the first component 1. When the sliding member 3 is close to the locking part 11 and the first locking tooth 31 engages with the second locking tooth 111, the sliding member 3 and the locking part 11 are locked together. The sliding member 3 has a plurality of the first locking teeth 31, which are distributed along the length direction of the sliding member 3. The large number of first locking teeth 31 makes the engagement of the locking teeth more secure and stable. Furthermore, by using smaller locking teeth, the feel of stepless adjustment can be obtained.

[0040] A driving structure is provided between the rotating member 4 and the sliding member 3. The driving structure includes at least one protrusion 5, which is disposed on the rotating member 4 or the sliding member 3 and faces the other one of them. The other rotating member 4 or the sliding member 3 also has an abutment surface 6. The abutment surface 6 and the protrusion 5 selectively abut against each other as the rotating member 4 rotates. When the protrusion 5 abuts against the abutment surface 6, the sliding member 3 is locked in place with the locking member. When the protrusion 5 leaves the abutment surface 6, the first component 1 and the second component 2 can slide relative to each other.

[0041] Furthermore, the surface of the slider 3 facing the rotating member 4 is flat, and this surface is the abutment surface 6; the protrusion 5 is provided on the rotating member 4, the distance between the protrusion 5 and the axis of the rotating member 4 is greater than the width of the abutment surface 6, and the distance between the protrusion 5 and the axis of the rotating member 4 is less than the length of the abutment surface 6; when the protrusion 5 is located beside the slider 3, the first component 1 and the second component 2 can slide relative to each other.

[0042] The protrusion 5 has a bevel 51 to facilitate its contact with the contact surface 6.

[0043] Example 2: The difference between this example and Example 1 is that the sliding member 3 has a notch 8. Specifically:

[0044] like Figure 8 , 9 As shown, the protrusion 5 is provided on the rotating member 4, and the abutting surface 6 is located on the sliding member 3; the sliding member 3 is also provided with a notch 8, and the notch 8 is located on the abutting surface 6; when the protrusion 5 is located in the notch 8, the first component 1 and the second component 2 can slide relative to each other. The notch 8 penetrates the sliding member 3 and restricts the shape of the abutting surface 6, that is, when the protrusion 5 is at the notch 8, the abutting surface 6 cannot function.

[0045] Example 3: The only difference between this example and Example 2 is that the contact surface 6 and the notch 8 are provided on the rotating member 4, and the protrusion 5 is provided on the sliding member 3. Specifically:

[0046] like Figure 10 , 11As shown, the protrusion 5 is provided on the sliding member 3, and the abutting surface 6 is located on the rotating member 4; the rotating member 4 is also provided with a notch 8, and the notch 8 is located on the abutting surface 6; when the protrusion 5 is located in the notch 8, the first component 1 and the second component 2 can slide relative to each other. The notch 8 penetrates the rotating member 4.

Claims

1. An adjusting device, characterized in that: The device includes a first component and a second component, which are slidably engaged. The first component has a locking part, and the second component has a sliding member that slidably moves closer to or away from the locking part. A rotating member is rotatably provided between the second component and the sliding member, and the rotation axis of the rotating member is set along the sliding direction of the sliding member. The rotating member is configured to drive the sliding member to slide along the axial direction of the rotating member when it rotates. When the sliding member moves closer to the locking part, the sliding member and the locking part are locked together, and the first component and the second component are relatively stationary. When the sliding member moves away from the locking part, the first component and the second component can slide relative to each other.

2. The adjusting device according to claim 1, characterized in that: A driving structure is provided between the rotating member and the sliding member. The driving structure includes at least one protrusion. The protrusion is disposed on the rotating member or the sliding member and faces the other protrusion. The other rotating member or the sliding member also has an abutment surface. The abutment surface and the protrusion selectively abut as the rotating member rotates. When the protrusion abuts with the abutment surface, the sliding member and the locking member are locked together. When the protrusion leaves the abutment surface, the first member and the second member can slide relative to each other.

3. The adjusting device according to claim 2, characterized in that: The surface of the sliding member facing the rotating member is flat and serves as the contact surface; a protrusion is provided on the rotating member, the distance between the protrusion and the axis of the rotating member is greater than the width of the contact surface, and the distance between the protrusion and the axis of the rotating member is less than the length of the contact surface; when the protrusion is located beside the sliding member, the first component and the second component can slide relative to each other.

4. The adjusting device according to claim 2, characterized in that: The protrusion is provided on the rotating part, and the abutting surface is located on the sliding part; the sliding part is also provided with a notch, and the notch is located on the abutting surface; when the protrusion is located in the notch, the first part and the second part can slide relative to each other.

5. The adjusting device according to claim 4, characterized in that: The notch extends through the sliding component.

6. The adjusting device according to claim 2, characterized in that: The protrusion is provided on the sliding member, and the abutting surface is located on the rotating member; the rotating member is also provided with a notch, and the notch is located on the abutting surface; when the protrusion is located in the notch, the first component and the second component can slide relative to each other.

7. The adjusting device according to claim 6, characterized in that: The notch penetrates the rotating component.

8. The adjusting device according to claim 1, characterized in that: An elastic element is provided between the locking part and the sliding part, and the elastic element is configured to provide elastic force to the sliding part to slide away from the locking part.

9. The adjusting device according to claim 1, characterized in that: The sliding member has a first locking tooth on its end face facing the locking part, and the locking part has a plurality of second locking teeth distributed along the length direction of the first component; when the sliding member is close to the locking part and the first locking tooth engages with the second locking tooth, the sliding member and the locking part are locked together.

10. The adjusting device according to claim 1, characterized in that: It also includes an operating component, which is rotatably mounted on the second component. One end of the operating component protrudes from the first component and the second component, and the other end of the operating component is linked with the rotating component.

Images