Adjusting device for adjusting lifting of seat

Abstract

The utility model discloses an adjusting device for adjusting lifting of a seat, and belongs to the field of furniture seats. Comprising a bottom rod; the movable rod sleeves the outer wall of the bottom rod and is in sliding fit with the bottom rod; the clamping piece is connected to the outer wall of the movable rod; the driving assembly is used for driving the clamping piece to clamp; wherein the clamping piece is made of an elastic material and comprises a connecting plate, a first clamping plate fixedly connected to one end of the connecting plate and a second clamping plate fixedly connected to the other end of the connecting plate, and the first clamping plate and the second clamping plate are close to each other through elasticity; the end, away from the connecting plate, of the second clamping plate abuts against the movable rod, a first notch is formed in the movable rod, the end, away from the connecting plate, of the first clamping plate penetrates through the first notch and abuts against the bottom rod to limit the bottom rod to move relative to the movable rod, and the driving assembly is connected to the first clamping plate to drive the first clamping plate to be separated from the bottom rod. The adjusting device has the beneficial effect that the adjusting device for adjusting the lifting of the seat is simple and convenient.

Description

Technical Field

[0001] The present application relates to the field of furniture seats, and in particular, to an adjustment device for adjusting the lifting and lowering of seats. Background Art

[0002] Lifting adjustment mechanisms are widely used in the manufacture of furniture such as tables and chairs, especially in the field of study tables and seats. Due to the rapid physical development of children, traditional fixed tables and chairs cannot meet the long-term use needs of children as they grow. Therefore, study tables and seats are essential tools for children to learn. Most of the seats on the market can also adjust the seat height, but the existing lifting seats have complicated operation steps, slow adjustment speed, and low adjustment efficiency; most importantly, most of the existing seats are multi-gear structures, so it is impossible to achieve accurate adjustment of the seat height, the height adjustment is inaccurate, the adjustment position is not convenient, the fixation is unstable, and the operation is inconvenient, which is not conducive to standardizing the healthy sitting posture of children and is prone to problems such as hunchback and myopia. Utility Model Content

[0003] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0004] In order to solve the technical problems mentioned in the above background technology section, some embodiments of the present application provide an adjustment device for adjusting the lifting of a seat, including:

[0005] Bottom bar;

[0006] The movable rod is sleeved on the outer wall of the bottom rod and slidably matched;

[0007] A clamping member connected to the outer wall of the movable rod;

[0008] A driving assembly, used for driving the clamping member to clamp;

[0009] The clamping member is made of an elastic material, and includes a connecting plate, a first clamping plate fixedly connected to one end of the connecting plate, and a second clamping plate fixedly connected to the other end of the connecting plate, and the first clamping plate and the second clamping plate are close to each other by elasticity; the second clamping plate is pressed against the movable rod at one end away from the connecting plate, and a first notch is provided on the movable rod, and the end of the first clamping plate away from the connecting plate passes through the first notch and presses against the bottom rod to limit the bottom rod from moving relative to the movable rod, and the driving assembly is connected to the first clamping plate to drive the first clamping plate to separate from the bottom rod;

[0010] The present application pulls the driving assembly to displace one end of the first clamping plate away from the connecting plate relative to one side of the bottom rod, thereby releasing the abutment with the bottom rod, changing the force applied by the first clamping plate to the bottom rod, and displacing to the outside of the first slot, thereby releasing the limit on the movable rod and allowing the movable rod to move relative to the bottom rod.

[0011] Furthermore, the first clamping plate includes an arc portion connected to the connecting plate, an inclined portion connected to one end of the arc portion, an abutting portion connected to one end of the inclined portion, a connecting portion connected to one end of the abutting portion, and an extended portion connected to one end of the connecting portion; one end of the abutting portion abuts against the bottom rod, and the driving assembly is connected to the extended portion.

[0012] Furthermore, there is a gap between the extension portion and the abutment portion, and a first through groove and a second through groove are formed on the extension portion. The first through groove and the second through groove are connected to each other, and the first through groove extends along the length direction of the extension portion, and the second through groove extends along the width direction of the extension portion.

[0013] Furthermore, the driving assembly includes a limiting rod, a connecting rope passing through the limiting rod, a handle connected to one end of the connecting rope, and a limiting column connected to the other end of the connecting rope; the connecting rope passes through the second through groove, and the limiting column is located between the connecting part and the abutting part and abuts against the extension part.

[0014] Furthermore, the connecting plate, the first clamping plate and the second clamping plate are an integrally formed structure.

[0015] Furthermore, a mounting plate is provided on the movable rod, an open groove is opened on the mounting plate, connecting rods are fixed at both ends of the limiting rod, and a limiting ring is fixed on the connecting rod. The connecting rod is inserted into the open groove, and the limiting ring part abuts against the mounting plate.

[0016] Furthermore, the diameter of the connecting rod is smaller than the diameters of the limiting rod and the limiting ring.

[0017] Furthermore, a first frame is fixedly connected inside the movable rod, the bottom rod passes through the first frame, and a second frame is sleeved on the outer wall of the bottom rod; the second frame is slidably abutted against the inner wall of the movable rod.

[0018] Furthermore, a long hole is provided on the movable rod, and a limiting block matching with the long hole is provided on the bottom rod.

[0019] Furthermore, an elastic hook is provided on the second frame body, and a second notch for the elastic hook to be inserted is opened on the bottom rod.

[0020] The beneficial effect of the present application is that a simple adjustment device for adjusting the lifting of a seat is provided. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0022] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0023] In the attached picture:

[0024] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0025] Figure 2 is an overall schematic diagram according to an embodiment of the present application;

[0026] Figure 3 It is a structural schematic diagram of a part of the embodiment, mainly showing the movable rod structure;

[0027] Figure 4 It is a structural schematic diagram of a part of the embodiment, mainly showing a clamping member, a first frame body, and a second frame body;

[0028] Figure 5 It is a structural schematic diagram of a part of the embodiment, mainly showing a clamping member;

[0029] Figure 6 It is a structural schematic diagram of a part of the embodiment, mainly showing the driving component.

[0030] Reference numerals:

[0031] 10. bottom bar; 11. second frame; 12. limit block; 13. elastic hook; 14. second notch;

[0032] 20. movable rod; 21. second through hole; 22. first notch; 23. mounting plate; 24. opening slot; 25. first frame; 26. long hole; 27. elastic buckle; 28. third through hole;

[0033] 30. Clamping member; 31. Connecting plate; 32. First clamping plate; 320. Arc portion; 321. Inclined portion; 322. Abutting portion; 323. Connecting portion; 324. Extended portion; 325. First through slot; 326. Second through slot; 327. Gap; 33. Second clamping plate; 34. First through hole;

[0034] 40. Driving assembly; 41. Handle; 42. Connecting rope; 43. Limit rod; 44. Limit column; 45. Connecting rod; 46. Limit ring. DETAILED DESCRIPTION

[0035] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0036] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0037] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0038] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0039] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0040] Reference Figure 1-6 The adjusting device for adjusting the lifting of a seat comprises a bottom bar 10, a movable bar 20, a clamping member 30, and a driving assembly 40; the movable bar 20 and the bottom bar 10 are both frame structures, the movable bar 20 is sleeved on the outer wall of the bottom bar 10 and is slidably connected, the clamping member 30 is connected to the movable bar 20, and the driving assembly 40 is connected to one end of the clamping member 30. The clamping member 30 is driven by the driving assembly 40 to make the movable bar 20 slide on the bottom bar 10, thereby facilitating the lifting of the seat.

[0041] Specifically, the clamping member 30 is made of elastic material, and the clamping member 30 can be made of spring steel; the clamping member 30 includes a connecting plate 31, a first clamping plate 32, and a second clamping plate 33; a first through hole 34 is provided on the connecting plate 31, and a second through hole 21 matching the first through hole 34 is provided on the movable rod 20, and bolts are inserted into the first through hole 34 and the second through hole 21 to fix the connecting plate 31 on the movable rod 20. The first clamping plate 32 and the second clamping plate 33 are respectively connected to the two ends of the connecting plate 31, and the three are connected to form a "U"-shaped structure, and the first clamping plate 32 and the second clamping plate 33 are relatively inclined. The connecting plate 31, the first clamping plate 32, and the second clamping plate 33 are an integrally formed structure, or are welded, and the first clamping plate 32 and the second clamping plate 33 are close to each other by elasticity; wherein, the second clamping plate 33 is pressed against one end of the movable rod 20, and the movable rod 20 is provided with a first notch 22, and the bottom of the first clamping plate 32 is inserted into the first notch 22 and pressed against the bottom rod 10 to limit the movement of the bottom rod 10 relative to the movable rod 20, and the two side walls of the first clamping plate 32 are in contact with the two sides of the first notch 22, and the driving assembly 40 is connected to the first clamping plate 32 to drive the first clamping plate 32 to separate from the bottom rod 10. By pulling the driving assembly 40, the end of the first clamping plate 32 away from the connecting plate 31 is displaced relative to one side of the bottom rod 10, thereby releasing the tight contact with the bottom rod 10, changing the force applied by the first clamping plate 32 to the bottom rod 10, and displacing to the outside of the first notch 22, thereby releasing the limit on the movable rod 20 and allowing the movable rod 20 to move relative to the bottom rod 10.

[0042] Specifically, the first clamping plate 32 includes an arc portion 320, an inclined portion 321, abutting portion 322, a connecting portion 323, and an extension portion 324; one end of the arc portion 320 is connected to the connecting plate 31, and the other end is connected to the inclined portion 321. Through the action of the arc portion 320 and the inclined portion 321, the abutting effect on the bottom bar 10 can be improved to ensure the firmness of the clamping. One end of the abutting portion 322 is connected to the inclined portion 321, and the other end is connected to the connecting portion 323, and one end of the connecting portion 323 is connected to the extension portion 324; wherein one end of the abutting portion 322 abuts against the bottom bar 10, and the abutting portion 322 and the connecting portion 323 are connected to form an "L"-shaped structure, which can increase the contact area between the abutting portion 322 and the bottom bar 10 on the one hand, and further ensure the clamping effect. On the other hand, a gap 327 is provided between the connecting portion 323 and the extension portion 324.

[0043] Specifically, the second clamping plate 33 has the same structure as the first clamping plate 32, and the only difference is that a first through groove 325 and a second through groove 326 are provided on the extension portion 324 of the first clamping plate 32, the first through groove 325 and the second through groove 326 are interconnected, and the first through groove 325 extends along the length direction of the extension portion 324, and the second through groove 326 extends along the width direction of the extension portion 324.

[0044] Specifically, the driving assembly 40 includes a handle 41, a connecting rope 42, a limiting rod 43, and a limiting column 44; the limiting rod 43 has a cavity inside, the connecting rope 42 is arranged in the cavity, and one end of the connecting rope 42 is connected to the handle 41, and the other end is connected to the limiting column 44; the limiting column 44 penetrates into the first through groove 325 and is located between the connecting portion 323 and the abutting portion 322 and abuts against the extension portion 324, and the connecting rope 42 penetrates into the second through groove 326. The connecting rope 42 is pulled by the handle 41, so that the limiting column 44 generates a certain thrust, thereby driving the extension portion 324, the connecting portion 323, and the inclined portion 321 to move, so that the arc portion 320 generates a certain deformation, and then the connecting portion 323 does not contact the bottom rod 10, the locking effect is released, and the movable rod 20 slides relative to the bottom rod 10.

[0045] Specifically, the length of the limiting column 44 is greater than the length of the second through slot 326 .

[0046] Specifically, a mounting plate 23 is provided on the movable rod 20, an open groove 24 is opened on the mounting plate 23, and the limiting rod 43 includes a connecting rod 45 and a limiting ring 46; connecting rods 45 are connected to both ends of the limiting rod 43, and a limiting ring 46 is connected to the end of the connecting rod 45 away from the limiting rod 43, the diameter of the connecting rod 45 is smaller than the diameters of the limiting rod 43 and the limiting ring 46, the connecting rod 45 is inserted into the open groove 24, and the limiting ring 46 partially abuts against the mounting plate 23.

[0047] Specifically, a first frame 25 is fixedly connected to the inside of the movable rod 20, and a second frame 11 is sleeved on the outer wall of the bottom rod 10. Both the first frame 25 and the second frame 11 have internal hollow structures; wherein the bottom rod 10 passes through the first frame 25, the first frame 25 can slide relative to the bottom rod 10, and the second frame 11 slides against the inner wall of the movable rod 20.

[0048] Specifically, a long hole 26 is formed on the movable rod 20 , and a limiting block 12 matched with the long hole 26 is formed on the bottom rod 10 .

[0049] Specifically, an elastic buckle 27 is provided on the first frame body 25 , and a third through hole 28 matched with the elastic buckle 27 is provided on the movable rod 20 .

[0050] Specifically, the second frame body 11 is provided with an elastic hook portion 13 , and the bottom rod 10 is provided with a second notch 14 for the elastic hook portion 13 to be inserted into.

[0051] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. An adjusting device for adjusting the lifting of a seat, characterized in that: include: Bottom bar; A movable rod is sleeved on the outer wall of the bottom rod and slidably fitted thereon; A clamping member connected to the outer wall of the movable rod; A driving assembly, used for driving the clamping member to clamp; Wherein, the clamping member is made of elastic material, and the clamping member includes a connecting plate, a first clamping plate fixedly connected to one end of the connecting plate, and a second clamping plate fixedly connected to the other end of the connecting plate, and the first clamping plate and the second clamping plate are close to each other by elasticity; the second clamping plate is pressed against the movable rod at one end away from the connecting plate, and a first notch is provided on the movable rod, and the end of the first clamping plate away from the connecting plate passes through the first notch and presses against the bottom rod to limit the movement of the bottom rod relative to the movable rod, and the driving assembly is connected to the first clamping plate to drive the first clamping plate to separate from the bottom rod.

2. The adjusting device for adjusting the seat lifting according to claim 1, characterized in that: The first clamping plate includes an arc portion connected to the connecting plate, an inclined portion connected to one end of the arc portion, a butt portion connected to one end of the inclined portion, a connecting portion connected to one end of the butt portion, and an extension portion connected to one end of the connecting portion; one end of the butt portion butts against the bottom rod, and the driving assembly is connected to the extension portion.

3. The adjusting device for adjusting the seat lifting according to claim 2, characterized in that: There is a gap between the extension portion and the abutment portion, and the extension portion is provided with a first through groove and a second through groove, the first through groove and the second through groove are connected to each other, and the first through groove extends along the length direction of the extension portion, and the second through groove extends along the width direction of the extension portion.

4. The adjusting device for adjusting the seat lifting according to claim 3, characterized in that: The driving assembly includes a limiting rod, a connecting rope passing through the limiting rod, a handle connected to one end of the connecting rope, and a limiting column connected to the other end of the connecting rope; the connecting rope passes through the second through groove, and the limiting column is located between the connecting portion and the abutting portion and abuts against the extension portion.

5. The adjusting device for adjusting the height of a seat according to claim 2, characterized in that: The connecting plate, the first clamping plate and the second clamping plate are an integrally formed structure.

6. The adjusting device for adjusting the seat lifting according to claim 4, characterized in that: A mounting plate is fixed on the movable rod, an open groove is opened on the mounting plate, connecting rods are fixed at both ends of the limiting rod, a limiting ring is fixed on the connecting rod, the connecting rod is inserted into the open groove, and the limiting ring part abuts against the mounting plate.

7. The adjusting device for adjusting the height of a seat according to claim 6, characterized in that: The diameter of the connecting rod is smaller than the diameters of the limiting rod and the limiting ring.

8. The adjusting device for adjusting the seat lifting according to claim 1, characterized in that: The movable rod is fixedly connected with a first frame body inside, the bottom rod passes through the first frame body, and the outer wall of the bottom rod is sleeved with a second frame body; the second frame body is slidably abutted against the inner wall of the movable rod.

9. The adjusting device for adjusting the height of a seat according to claim 8, characterized in that: The movable rod is provided with a long hole, and the bottom rod is provided with a limiting block matched with the long hole.

10. The adjusting device for adjusting the seat lifting according to claim 8, characterized in that: The second frame is provided with an elastic hook, and the bottom rod is provided with a second notch for the elastic hook to be inserted into.

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