CN116919075A

CN116919075A - Self-adjusting elastic sliding piece and lifting upright post

Info

Publication number: CN116919075A
Application number: CN202210359226.5A
Authority: CN
Inventors: 龚振斌; 刘涛
Original assignee: Changzhou Kaidi Electrical Co Ltd
Current assignee: Changzhou Kaidi Electrical Co Ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2023-10-24

Abstract

The invention relates to a self-adjusting elastic sliding piece and a lifting upright post, wherein the elastic sliding piece comprises an assembling part and an elastic part, the assembling part is used for being connected with the outer wall of an inner pipe of an upright post mechanism in a mounting way, the outer surface of the elastic part can form friction force with the inner wall of an outer pipe of the upright post mechanism, and the whole or part of the elastic part can form elastic expansion and contraction in the transverse direction of a gap formed by the inner pipe and the outer pipe of the upright post mechanism. The self-adjusting elastic sliding piece is assembled between the inner tube and the outer tube of the upright post mechanism, and the friction piece is subjected to lateral pressure, so that the elastic mechanism slightly contracts, and the elastic sliding piece tightly fills a gap between the inner tube and the outer tube. The upper surface of the friction plate of the elastic sliding plate is worn, and after the elastic mechanism rebounds, the elastic sliding plate still has a stable supporting effect between the inner pipe and the outer pipe.

Description

Self-adjusting elastic sliding piece and lifting upright post

Technical Field

The invention relates to a sliding sheet used for a lifting upright post, in particular to a self-adjusting elastic sliding sheet and a lifting upright post.

Background

The lifting upright post of the current structure has size fluctuation due to the limitation of the pipe manufacturing process. In the assembling process of the table legs, in order to prevent direct friction between the inner tube and the outer tube of the upright post mechanism and also in order to adjust the gap, sliding sheets with different thicknesses are required to be installed.

The technical pain of the sliding plate is that the thickness of the sliding plate is mostly selected according to experience, and the thicker sliding plate can cause the increase of friction force during operation and the reduction of the efficiency of the table leg; the thinner sliding piece can lead to the increase of the gap between the inner tube and the outer tube of the desk leg; the pipe size is limited by a pipe manufacturing process, the pipe sizes of different batches can not be consistent almost, and for the reasons, the once-through qualification rate of table leg assembly is low, and the table leg assembly can be qualified even by reworking for three to five times.

The technical pain of the sliding piece is that the thickness of the sliding piece is fixed, most of sliding piece materials are plastic, and when the table leg is in lifting operation, the plastic generally wears, so that the thickness is reduced, the gap between the pipes is increased, and the service life of the table leg is reduced.

The technical pain of the sliding plate is that the sliding plate with fixed thickness is selected, the sliding plate is integrally molded by plastic materials, the sliding plate needs to meet the requirements of lubrication, wear resistance, hardness and the like, and often needs to select special modified plastic materials, and the price of the plastic materials is basically several times or even tens of times that of unmodified materials.

Disclosure of Invention

The invention aims to solve the technical problems that: the self-adjusting elastic sliding piece and the lifting stand column are provided, and the sliding piece has certain elasticity.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a self-adjusting's elasticity slide, includes assembly portion and elastic part, assembly portion is used for being connected with the outer wall installation of the inner tube of outside stand mechanism, the surface of elastic part can form frictional force with the inner wall of the outer tube of stand mechanism, whole or part of elastic part can form elasticity flexible in the lateral direction of the clearance that inner tube and the outer tube of stand mechanism formed.

Further, the elastic part comprises at least one base, at least one elastic filling piece capable of generating elastic expansion is arranged on the outer side of the base, and a friction plate is arranged on the outer side of the elastic filling piece.

Further, the elastic filling piece is an elastic cotton pad or a waveform pad or rubber.

Further, the elastic part comprises at least one base, a friction plate is arranged on the outer side of the base, and elastic protrusions protruding towards the base are arranged on the inner side of the friction plate.

Further, the elastic part comprises at least one base, at least one elastic filling piece is arranged on the outer side of the base, a friction plate is arranged on the outer side of the elastic filling piece, and one or more than two of the base, the elastic filling piece and the friction plate are arc-shaped plates protruding outwards respectively.

Further, the upper end and the lower end of the base are provided with buckling surfaces, the upper end and the lower end of the friction plate are provided with buckling parts matched with the buckling surfaces, and the friction plate and the base can be buckled and assembled.

Further, the elastic part is an integral wavy plate, the assembly part is positioned at the inner side of the elastic part, and a plurality of arc-shaped ribs are formed at the outer side of the elastic part.

Further, the elastic part comprises at least one base, at least one arc friction plate is arranged on the outer side of the base, the base is straight or arc-shaped, and a cavity is formed between the arc friction plate and the base.

Further, when the elastic portion includes more than two bases, two of the bases form a certain angle.

Further, the assembly part comprises a column body and a hook which can be buckled with the inner tube of the upright post mechanism.

A lifting column comprises the elastic sliding piece.

Preferably, the lifting upright post comprises an upright post mechanism, and the elastic sliding piece is arranged on the outer wall of the inner tube of the upright post mechanism; the inner tube is provided with a mounting hole, and the elastic sliding piece is mounted at the mounting hole of the inner tube; the mounting holes may be through holes, milling grooves or blind holes.

The beneficial effects of the invention are as follows:

the self-adjusting elastic sliding piece is assembled between the inner tube and the outer tube of the upright post mechanism, and the friction piece is subjected to lateral pressure, so that the elastic mechanism slightly contracts, and the elastic sliding piece tightly fills a gap between the inner tube and the outer tube. The size or shape of the elastic sliding piece can be adjusted according to the actual shape of the pipe of the lifting upright post, and the applicability is strong. The elastic slider can be used on the surface of a rectangular pipe fitting, and can also be used on a circular or oval pipe fitting.

The upper surface of the friction plate of the elastic sliding plate is worn, and after the elastic mechanism rebounds, the elastic sliding plate still has a stable supporting effect between the inner pipe and the outer pipe.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 and FIG. 2 are schematic views of an elastic slider (with elastic cotton pad) in accordance with an embodiment;

FIG. 3 is a schematic view of an elastic slider (with wave washer) in accordance with one embodiment;

FIG. 4 is a schematic view of a second embodiment of an elastic slider;

FIG. 5 is a schematic view of a three-spring slider embodiment;

FIG. 6 and FIG. 7 are schematic views of a fourth embodiment of a resilient slider;

FIG. 8 FIG. 9 and FIG. 10 are schematic views of a fifth resilient slider of an embodiment;

FIG. 11 FIG. 12 and FIG. 13 are schematic views of a six-spring slider according to an embodiment;

FIG. 14 is a schematic view of the installation of the elastic slider with the inner tube;

FIG. 15 is a schematic view in partial cross-section of the installation of the elastic slider with the inner tube;

wherein,,

2. the assembly part, 21, the column body, 22 and the hook;

3. the device comprises a base, 4 elastic filling pieces, 5 friction plates, 6 elastic bulges, 7 arc-shaped convex edges, 8 inner pipes.

Detailed Description

The invention will now be further described with reference to the accompanying drawings. These drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.

Example 1

As shown in fig. 1 and 2, the self-adjusting elastic sliding piece comprises an assembling part 2 and an elastic part, wherein the assembling part 2 is used for being connected with the outer wall of the inner tube of the upright mechanism in a mounting way, the outer surface of the elastic part can form friction force with the inner wall of the outer tube of the upright mechanism, and the whole or part of the elastic part can form elastic expansion and contraction in the transverse direction of a gap formed by the inner tube and the outer tube of the upright mechanism.

The elastic part comprises at least one base 3, at least one elastic filling piece 4 which can generate elastic expansion and contraction is arranged on the outer side of the base 3, and a friction plate 5 is arranged on the outer side of the elastic filling piece 4.

Preferably, the elastic filling member 4 is an elastic cotton pad or a waveform pad or rubber. The elastic filler 4 is not limited to the above-described materials.

As shown in fig. 1 and 2, the elastic filler 4 is an elastic cotton pad, such as a sponge pad or a pearl cotton pad. As shown in fig. 3, the elastic filler 4 is a wave-shaped pad.

Preferably, the upper end and the lower end of the base 3 are provided with buckling surfaces, the upper end and the lower end of the friction plate 5 are provided with buckling parts matched with the buckling surfaces, and the friction plate 5 and the base 3 can be buckled and assembled. The friction plate 5 and the base 3 are not limited to the above-described mounting method, and may be bonded or inserted.

Preferably, as shown in fig. 3, the assembling portion 2 includes a column 21 and a hook 22 that can be fastened to the inner tube. The structure can make the assembly part not easy to fall off when being installed on the inner pipe.

When the elastic sliding piece is used, the base of the elastic sliding piece is fixed on the outer wall of the inner tube, after the outer tube is assembled, the friction piece is subjected to lateral pressure, and the elastic filling piece 4 slightly contracts, so that the elastic sliding piece tightly fills a gap between the inner tube and the outer tube. Even if the column mechanism of the desk leg runs for a period of time, the friction plate surface of the elastic sliding plate is worn, and after the elastic filling piece 4 rebounds, the elastic sliding plate still has a stable supporting function between the inner pipe and the outer pipe. When the elastic sliding plate is manufactured, only a single function is needed to be considered in material selection, for example, a harder material can be selected for the base part, and a material with better lubricity can be selected for the friction plate, so that the cost price can be better controlled.

Example two

As shown in fig. 4, the elastic slider of the present embodiment is based on the first embodiment, and differs in that: the elastic part comprises at least one base 3, a friction plate 5 is arranged on the outer side of the base 3, and an elastic bulge 6 protruding towards the base 3 is arranged on the inner side of the friction plate 5.

Example III

As shown in fig. 5, the elastic slider of the present embodiment is based on the first embodiment, and differs in that: the elastic part comprises at least one base 3, at least one elastic filling piece 4 is arranged on the outer side of the base 3, a friction plate 5 is arranged on the outer side of the elastic filling piece 4, and the base 3, the elastic filling piece 4 and the friction plate 5 are arc-shaped plates protruding outwards respectively.

Example IV

As shown in fig. 6 and 7, the elastic slider of the present embodiment is based on the first embodiment, and differs in that: the elastic part is an integral wavy plate, the assembly part 2 is positioned at the inner side of the elastic part, and a plurality of arc-shaped ribs 7 are formed at the outer side of the elastic part.

The elastic sliding piece is wholly wavy, and is fixed on the inner tube wall through the assembly part, and after receiving the lateral force, the wavy plate outwards extends, and the thickness of the elastic sliding piece is self-regulated, so that no gap exists between the inner tube and the outer tube.

Example five

As shown in fig. 8 and 9, the elastic slider of the present embodiment is based on the first embodiment, and differs in that: the elastic part comprises at least one base 3, at least one arc-shaped friction plate 5 is arranged on the outer side of the base 3, the base 3 is straight or arc-shaped, and a cavity is formed between the arc-shaped friction plate 5 and the base 3.

As shown in fig. 8 and 9, the base 3 of the elastic part is straight.

As shown in fig. 10, the base 3 of the elastic part adopts a circular arc shape.

Example six

The elastic slider of the present embodiment is based on the above embodiment, and differs in that: when the elastic part comprises more than two bases 3, two bases 3 form a certain angle of refraction.

The self-adjusting elastic slider shown in fig. 11 is modified based on the elastic slider of the fifth embodiment to form a certain angle of refraction to the base 3.

The self-adjusting elastic slider shown in fig. 12 and 13 is modified from the elastic slider according to the first embodiment to form a certain angle of refraction to the base 3.

For fixing the elastic sliding piece, preferably, if a through hole, a milling groove or a blind hole is formed on the inner tube, the assembly part of the elastic sliding piece is arranged at the through hole, the milling groove or the blind hole on the inner tube, so that the elastic sliding piece cannot easily fall off.

As shown in fig. 14 and 15, a lifting column includes the elastic slider described above. The lifting upright post comprises an upright post mechanism, and the elastic sliding piece is arranged on the outer wall of an inner pipe 8 of the upright post mechanism; the inner tube 8 is provided with a mounting hole, and the elastic sliding piece is mounted at the mounting hole of the inner tube 8; the mounting holes may be through holes, milled grooves, or other forms of blind holes.

With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A self-adjusting resilient slider, characterized by: the elastic part comprises an assembling part (2) and an elastic part, wherein the assembling part (2) is used for being installed and connected with the outer wall of an inner pipe (8) of an external upright post mechanism, the outer surface of the elastic part can form friction force with the inner wall of an outer pipe of the upright post mechanism, and the whole or part of the elastic part can form elastic expansion and contraction in the transverse direction of a gap formed by the inner pipe (8) and the outer pipe of the upright post mechanism.

2. A self-adjusting resilient slider as defined in claim 1 wherein: the elastic part comprises at least one base (3), at least one elastic filling piece (4) capable of generating elastic expansion is arranged on the outer side of the base (3), and a friction plate (5) is arranged on the outer side of the elastic filling piece (4).

3. A self-adjusting resilient slider as defined in claim 2 wherein: the elastic filling piece (4) is an elastic cotton pad or a waveform pad or rubber.

4. A self-adjusting resilient slider as defined in claim 1 wherein: the elastic part comprises at least one base (3), a friction plate (5) is arranged on the outer side of the base (3), and an elastic bulge (6) protruding towards the base (3) is arranged on the inner side of the friction plate (5).

5. A self-adjusting resilient slider as defined in claim 1 wherein: the elastic part comprises at least one base (3), at least one elastic filling piece (4) is arranged on the outer side of the base (3), a friction plate (5) is arranged on the outer side of the elastic filling piece (4), and one or more than two of the base (3), the elastic filling piece (4) and the friction plate (5) are arc-shaped plates protruding outwards respectively.

6. A self-adjusting resilient slider as defined in claim 2, 4 or 5 wherein: the upper end and the lower end of the base (3) are provided with buckling surfaces, the upper end and the lower end of the friction plate (5) are provided with buckling parts matched with the buckling surfaces, and the friction plate (5) and the base (3) can be buckled and assembled.

7. A self-adjusting resilient slider as defined in claim 1 wherein: the elastic part is an integral wavy plate, the assembly part (2) is positioned at the inner side of the elastic part, and a plurality of arc-shaped ribs (7) are formed at the outer side of the elastic part.

8. A self-adjusting resilient slider as defined in claim 1 wherein: the elastic part comprises at least one base (3), at least one arc friction plate (5) is arranged on the outer side of the base (3), the base (3) is straight or arc-shaped, and a cavity is formed between the arc friction plate (5) and the base (3).

9. A self-adjusting elastic slider according to claim 2 or 4 or 5 or 8, characterized in that: when the elastic part comprises more than two bases (3), two bases (3) form a certain folding angle.

10. A self-adjusting resilient slider as defined in claim 1 wherein: the assembly part (2) comprises a column body (21) and a hook (22) which can be buckled with the inner tube (8) of the upright post mechanism.

11. A lifting column, characterized in that: comprising an elastic slider as claimed in any one of claims 1-10.

12. The lifting column of claim 11, wherein: the lifting upright post comprises an upright post mechanism, and the elastic sliding piece is arranged on the outer wall of an inner pipe (8) of the upright post mechanism;

the inner tube (8) is provided with a mounting hole, and the elastic sliding piece is mounted at the mounting hole of the inner tube (8); the mounting holes may be through holes, milling grooves or blind holes.