CN220988178U - Chair rod adjusting and holding device - Google Patents

Abstract

The application discloses a chair rod adjusting and clasping device, and belongs to the technical field of chairs. The chair pole is adjusted and is embraced device includes: a chair rod; the jacks are provided with a plurality of jacks and are arranged on the chair rod at equal intervals; the sliding piece is sleeved on the chair rod and slides relative to the chair rod; the turnover plate is rotationally connected to the sliding piece; the connecting plate is rotationally connected to the overturning plate; the limiting plate is fixedly connected to the sliding piece; one end of the sliding plate is hinged with one side of the connecting plate, which is far away from the overturning plate, and is connected with the limiting plate in a sliding way; the waist-shaped hole is arranged on the sliding plate; the inclined plane is arranged on the sliding plate; the bolt is inserted into or separated from the jack through the waist-shaped hole; the pressing cap is fixedly connected to one end of the bolt and is abutted against the inclined plane in the sliding process of the sliding plate so that the pressing cap moves outwards; the spring provides a force that drives the latch toward the receptacle. The application has the beneficial effects of providing the chair rod adjusting and holding device with the rapid plugging function.

Description

Chair rod adjusting and holding device

Technical Field

The application relates to the technical field of seats, in particular to a chair rod adjusting and clasping device.

Background

Most of the existing office chairs are lifting chairs with adjustable height through telescopic rods. The seat with the height adjusted by the telescopic rod is fixed by matching the adjusting bolt with the hole on the telescopic rod, and the seat occupies part of market share due to higher safety and higher cost performance.

The structure of the product can be referred to Chinese patent literature publication number: the seat adjusting bolt and the seat telescopic rod structure disclosed in CN217218532U comprise a clamp and a bolt main body arranged on the inner side of the clamp, wherein the clamp is provided with a notch, one end of the bolt main body extends out of the notch, and the other end of the bolt main body is in threaded connection with the inner side of the clamp; the bolt main body comprises a main body part and a connecting part positioned at the tail end of the main body part; the section of the main body part is square; the outer wall of connecting portion is equipped with the screw thread, the inboard of clamp is equipped with the screw hole, connecting portion with screw hole spiro union. The seat telescopic rod structure comprises a telescopic rod and the seat adjusting bolt.

In the structure, the clamp is manually taken down from the telescopic outer tube each time and the bolt main body is pulled out from the positioning hole, and the bolt main body is manually aligned to the positioning hole and inserted into the positioning hole after the adjustment is completed, so that the operation is complicated.

At present, a chair rod adjusting and holding device with a rapid plugging function does not exist.

Disclosure of utility model

The summary of the application is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

To solve the technical problems mentioned in the background section above, some embodiments of the present application provide a chair pole adjusting and clasping device, comprising: a chair rod;

the chair pole adjusting and enclasping device further comprises:

the jacks are provided with a plurality of jacks and are arranged on the chair rod at equal intervals;

The sliding piece is sleeved on the chair rod and slides relative to the chair rod;

The turnover plate is rotationally connected to the sliding piece;

the connecting plate is rotationally connected to the overturning plate;

the limiting plate is fixedly connected to the sliding piece;

One end of the sliding plate is hinged with one side of the connecting plate, which is far away from the overturning plate, and is connected with the limiting plate in a sliding way;

The waist-shaped hole is arranged on the sliding plate;

The inclined plane is arranged on the sliding plate;

the bolt is inserted into or separated from the jack through the waist-shaped hole;

The pressing cap is fixedly connected to one end of the bolt and is abutted against the inclined plane in the sliding process of the sliding plate so as to move outwards;

And a spring for providing a force for driving the latch towards the jack.

Further, the slider includes: the first sliding block and the second sliding block are of C-like shape, one end of the first sliding block, which is far away from the turnover plate, is spliced with one end of the second sliding block, which is far away from the turnover plate, the first sliding block and the second sliding block are connected to form a cavity, the chair rod is inserted into the cavity, and the first sliding block and the second sliding block are connected in a sliding manner relative to the chair rod.

Further, the limiting plate is bent, forms a U shape and forms a containing cavity, and a cover plate is clamped at one end, far away from the second sliding block, of the limiting plate.

Further, one end of the slide plate is inserted into the accommodating cavity and the side wall of the slide plate is in sliding contact with the side wall of the accommodating cavity.

Further, the connecting plate is an arc-shaped plate, one end of the connecting plate is rotationally connected with the side wall of the overturning plate, and the other end of the connecting plate is rotationally connected with one end of the sliding plate.

Further, an end of the latch remote from the press cap penetrates the side wall of the slider.

Further, the axis direction of the bolt is perpendicular to the plane of the waist-shaped hole.

Further, the side wall of the cover plate, which is close to the limiting plate, is provided with clamping hooks with symmetrical positions, and the side wall of the accommodating cavity is provided with a clamping plate for the clamping hooks to hook.

Further, a movable space for deflection of the sliding plate is reserved between one end of the cover plate, which is close to the sliding plate, and the surface of the sliding plate.

Further, a cam with symmetrical positions is arranged at one end of the turnover plate, which is close to the second sliding block, and the cam is in pressing contact with the side wall of the second sliding block in the process of following the rotation of the turnover plate.

The application has the beneficial effects that: provides a chair rod adjusting and enclasping device with a rapid plugging function.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application.

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

In the drawings:

FIG. 1 is an overall schematic of an embodiment according to the present application;

FIG. 2 is a schematic structural view of a portion of an embodiment, primarily illustrating the structure of the connection plate;

FIG. 3 is an overall cross-sectional schematic of FIG. 1;

Fig. 4 is an enlarged view of a portion a of fig. 3;

FIG. 5 is a schematic structural view of a portion of an embodiment, primarily showing the latch structure;

fig. 6 is a schematic structural view of a portion of an embodiment, mainly showing the skateboard structure.

Reference numerals:

11. A chair rod; 12. a jack; 13. a first slider; 14. a second slider; 15. a turnover plate; 16. a limiting plate; 17. a cover plate; 18. a connecting plate; 19. a slide plate; 20. a waist-shaped hole; 21. an inclined plane; 22. pressing the cap; 23. a circular ring; 24. a plug pin; 25. a spring; 26. a clamping hook; 27. a clamping plate; 28. a movable space; 29. a cam.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

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

Referring to fig. 1-6, a chair pole adjustment hugging device comprising: chair rod 11, slider, upset board 15, connecting plate 18, limiting plate 16, slide 19, ring 23, bolt 24, press cap 22, spring 25, apron 17, pothook 26.

The chair rod 11 is made of hollow square pipes, and a plurality of jacks 12 are arranged on the side wall of the chair rod 11 at equal intervals along the length direction of the chair rod 11.

The slider includes: the first sliding block 13 and the second sliding block 14 are C-shaped first sliding blocks 13, one end of the second sliding block 14 is fixedly connected to one end of the first sliding block 13, the first sliding block 13 and the second sliding block 14 are connected to form a cavity, the chair rod 11 is inserted into the cavity, and the first sliding block 13 and the second sliding block 14 are in sliding connection relative to the chair rod 11. The turnover plate 15 is rotationally connected to the second slide block 14, a cam 29 with symmetrical positions is arranged at one end of the turnover plate 15, which is close to the second slide block 14, the side wall of the cam 29 is in abutting contact with the side wall of the second slide block 14 in the rotation process of the turnover plate 15, the connecting plate 18 is an arc-shaped plate, one end of the connecting plate 18 is rotationally connected with the side wall of the turnover plate 15, the other end of the connecting plate 18 is rotationally connected with the sliding plate 19, a waist-shaped hole 20 is arranged on the sliding plate 19, and inclined planes 21 with symmetrical positions are arranged on the side walls of the sliding plate 19, which are positioned at two sides of the waist-shaped hole 20.

The limiting plate 16 is fixedly connected to the second sliding block 14, the limiting plate 16 is bent to form a U shape and form a containing cavity, a cover plate 17 is clamped at one end, far away from the second sliding block 14, of the limiting plate 16, the cover plate 17 is bent to be L-shaped, a movable space 28 for deflection of the sliding plate 19 is reserved between one end, close to the sliding plate 19, of the cover plate 17 and the surface of the sliding plate 19, a clamping hook 26 with symmetrical positions is fixedly connected to the side wall, close to the limiting plate 16, of the cover plate 17, and a clamping plate 27 clamped with the clamping hook 26 is arranged on the side wall of the containing cavity. A portion of the slide plate 19 remote from the connection plate 18 is slidably connected to a side wall of the second slider 14, one end of the slide plate 19 is inserted into the accommodating chamber and the side wall of the slide plate 19 is in sliding contact with the accommodating chamber side wall.

The circular ring 23 is fixedly connected to the second slider 14, the bolt 24 passes through the waist-shaped hole 20, one end of the bolt 24 penetrates through the side wall of the second slider 14 and is matched with the jack 12 on the chair rod 11, the bolt 24 is inserted into the inner diameter of the circular ring 23 and is in sliding connection relative to the circular ring 23, the press cap 22 is fixedly connected to one end of the bolt 24, one end of the spring 25 is fixedly connected to the end wall of the press cap 22, and the other end of the spring 25 is fixedly connected to the end wall of the circular ring 23.

Working or installation process:

As shown in fig. 1, when the first slider 13 and the second slider 14 are in a state capable of sliding up and down along the chair rod 11, at this time, the turnover plate 15 is located at a side far away from the limiting plate 16, and the latch 24 at this time is separated from the insertion hole 12, one end of the press cap 22 near the spring 25 is in pressing contact with the inclined surface 21 and stretches the spring 25, so that the spring 25 is in a stretched state and the spring 25 has elastic potential energy;

when the height of the first slide block 13 and the second slide block 14 on the chair rod 11 needs to be adjusted, the first slide block 13 and the second slide block 14 are directly pulled, so that the height of the first slide block 13 and the second slide block 14 on the chair rod 11 is adjusted, when the height is adjusted to be proper and the press cap 22 is positioned at the hole of the jack 12, the turnover plate 15 is rotated, the cam 29 is in pressing contact with the side wall of the second slide block 14, the cam 29 presses the second slide block 14, so that the distance between the second slide block 14 and one end of the first slide block 13 is reduced, and the second slide block 14 and the first slide block 13 are fixedly connected with the chair rod 11;

The turnover plate 15 rotates and pushes the connecting plate 18 to move, the connecting plate 18 moves and pushes the sliding plate 19 to move, as the side wall of the accommodating cavity of the limiting plate 16 limits the sliding plate 19, the sliding plate 19 slides along the extending direction of the side wall of the accommodating cavity, the sliding plate 19 is pushed by the connecting plate 18 and gradually pushes into the accommodating cavity, the end face of the inclined plane 21 no longer presses the end face of the pressing cap 22, the pressing cap 22 no longer receives pressure and elastic potential energy released by the spring 25, the pressing cap 22 is driven to move towards one end close to the circular ring 23, the pressing cap 22 drives the latch 24 to move towards one side close to the chair rod 11, one end of the latch 24 is inserted into the jack 12, the latch 24 is inserted into the jack 12 and limits the first sliding block 13 and the second sliding block 14 (as shown in fig. 4), the first sliding block 13 and the second sliding block 14 no longer slide up and down on the chair rod 11, the height adjusting work of the first sliding block 13 and the second sliding block 14 is completed, at this moment, the side wall of the pressing cap 22 close to the connecting plate 18 is in contact with the side wall of the limiting plate 16, the sliding plate 19 is completely located in the accommodating cavity, and the end wall of the pressing cap 22 is separated from the inclined plane 21 (as shown in fig. 6);

When the adjustment is needed again, the turnover plate 15 is reversely rotated, so that the turnover plate 15 rotates to the side far away from the limiting plate 16, the cam 29 follows the turnover plate 15 to rotate and is separated from pressing contact with the second sliding block 14, the second sliding block 14 expands the distance between the second sliding block 14 and the first sliding block 13 is separated from fastening connection with the chair rod 11 after being not pressed by the cam 29, the turnover plate 15 rotates and drives the connecting plate 18 to move, the connecting plate 18 moves and pulls the sliding plate 19, the sliding plate 19 horizontally moves to the side near the connecting plate 18, the sliding plate 19 drives the inclined surface 21 to move, the inclined surface 21 gradually approaches the end wall of the pressing cap 22 and presses the end wall of the pressing cap 22, the pressing cap 22 moves to the side far away from the circular ring 23 through the inclined surface 21, the pressing cap 22 moves to the side far away from the circular ring 23 and pulls the plug 24 out of the jack 12, the plug 24 is separated from the chair rod 11, the state of fig. 1 is reached again, and the heights of the first sliding block 13 and the second sliding block 14 can be adjusted.

As another mounting method of the spring 25, further including: the circular ring 23 is slidably connected to the second slider 14, the pin 24 passes through the waist-shaped hole 20, one end of the pin 24 passes through the side wall of the second slider 14 and is matched with the jack 12 on the chair rod 11, the pin 24 is inserted into the inner diameter of the circular ring 23 and is fixedly connected with the circular ring 23, the press cap 22 is fixedly connected to one end of the pin 24, one end of the spring 25 is fixedly connected to the limiting plate 16, and the other end of the spring 25 is fixedly connected to the end wall of the circular ring 23.

As shown in fig. 1, when the first slider 13 and the second slider 14 are in a state capable of sliding up and down along the chair rod 11, at this time, the turnover plate 15 is located at a side far away from the limiting plate 16, and the latch 24 at this time is separated from the insertion hole 12, and one end of the press cap 22 near the spring 25 is in pressing contact with the inclined surface 21 and presses the spring 25, so that the spring 25 is in a pressed state and the spring 25 has elastic potential energy;

When the height of the first slide block 13 and the second slide block 14 on the chair rod 11 needs to be adjusted, the first slide block 13 and the second slide block 14 are directly pulled, so that the height of the first slide block 13 and the second slide block 14 on the chair rod 11 is adjusted, when the height is adjusted to be proper and the press cap 22 is positioned at the opening of the jack 12, the turnover plate 15 is rotated, the turnover plate 15 rotates, the cam 29 is in abutting contact with the side wall of the second slide block 14, and the cam 29 presses the second slide block 14, so that the distance between the second slide block 14 and one end of the first slide block 13 is reduced, and the second slide block 14 and the first slide block 13 are fixedly connected with the chair rod 11;

The turnover plate 15 rotates and pushes the connection plate 18 to move, the connection plate 18 moves and pushes the sliding plate 19 to move, the sliding plate 19 slides along the extending direction of the side wall of the accommodating cavity due to the limit of the side wall of the accommodating cavity of the limit plate 16, the sliding plate 19 is pushed by the connection plate 18 and gradually pushes into the accommodating cavity, the end face of the inclined plane 21 does not abut against the end face of the pressing cap 22 any more, one end of the spring 25 is fixedly connected with the second sliding block 14 and the other end of the spring 25 is fixedly connected with the circular ring 23 (the pressing cap 22 and the circular ring 23 are fixedly connected with the bolt 24 respectively to be regarded as a whole and form extrusion pressure with the side wall of the second sliding block 14 to the spring 25), after the pressing cap 22 is no longer stressed, the spring 25 is no longer extruded by the circular ring 23 to the spring 25, through elastic potential energy released by the spring 25, the press cap 22 is driven to move towards one end close to the jack 12, the press cap 22 drives the plug pin 24 and the circular ring 23 to move towards one side close to the jack 12, so that one end of the plug pin 24 is inserted into the jack 12, the end wall of the circular ring 23 is in contact with the side wall of the chair rod 11, the plug pin 24 is inserted into the jack 12 and limits the first slide block 13 and the second slide block 14 (as shown in fig. 4), the first slide block 13 and the second slide block 14 do not slide up and down on the chair rod 11 any more, the height adjustment work of the first slide block 13 and the second slide block 14 is completed, at the moment, the side wall of the turnover plate 15 close to the connecting plate 18 is in contact with the side wall of the limiting plate 16, the slide plate 19 is completely positioned in the accommodating cavity, and the end wall of the press cap 22 is out of contact with the inclined plane 21 (as shown in fig. 6);

When the adjustment is needed again, the turnover plate 15 is reversely rotated, so that the turnover plate 15 rotates to the side far away from the limiting plate 16, the cam 29 follows the turnover plate 15 to rotate and is separated from pressing contact with the second sliding block 14, the second sliding block 14 is expanded in distance from the first sliding block 13 after being not pressed by the cam 29, so that the second sliding block 14 and the first sliding block 13 are separated from fastening connection with the chair rod 11, the turnover plate 15 rotates and drives the connecting plate 18 to move, the connecting plate 18 moves and pulls the sliding plate 19, the sliding plate 19 horizontally moves to the side near the connecting plate 18, the sliding plate 19 drives the inclined surface 21 to move, the inclined surface 21 gradually approaches the end wall of the pressing cap 22 and presses the end wall of the pressing cap 22, the pressing cap 22 moves to the side far away from the jack 12 through the inclined surface 21, the pressing cap 22 moves to the side far away from the jack 12 and drives the bolts 24 and 23 to the side far away from the jack 12, so that the bolts 24 are separated from the chair rod 11 from the fastening connection with the jack 12, the state of fig. 1 is achieved again, and the first sliding block 13 and the second sliding block 14 can be adjusted to the height of the first sliding block 13 and the second sliding block 14.

The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims (10)

1. A chair pole adjusting hugging device comprising: a chair rod (11);

The method is characterized in that:

The chair rod adjusting and enclasping device further comprises:

The jacks (12) are provided with a plurality of equally spaced chair rods (11);

The sliding piece is sleeved on the chair rod (11) and slides relative to the chair rod (11);

a turnover plate (15) rotatably connected to the slider;

the connecting plate (18) is rotatably connected to the overturning plate (15);

The limiting plate (16) is fixedly connected to the sliding piece;

One end of the sliding plate (19) is hinged with one side, far away from the turnover plate (15), of the connecting plate (18) and is connected with the limiting plate (16) in a sliding manner;

A waist-shaped hole (20) arranged on the sliding plate (19);

An inclined surface (21) arranged on the slide plate (19);

A plug pin (24) inserted into or separated from the insertion hole (12) through the waist-shaped hole (20);

The pressing cap (22) is fixedly connected to one end of the bolt (24) and is abutted against the inclined surface (21) in the sliding process of the sliding plate (19) so that the pressing cap (22) moves outwards;

A spring (25) provides a force that drives the pin (24) towards the socket (12).

2. The chair pole adjusting hugging device of claim 1, wherein:

The slider includes: the novel chair comprises a first sliding block (13) and a second sliding block (14), wherein the first sliding block (13) and the second sliding block (14) are of a C-like shape, one end of the first sliding block (13) away from the overturning plate (15) is spliced with one end of the second sliding block (14) away from the overturning plate (15), the first sliding block (13) and the second sliding block (14) are connected and form a cavity, a chair rod (11) is inserted into the cavity, and the first sliding block (13) and the second sliding block (14) are in sliding connection with the chair rod (11).

3. The chair pole adjusting hugging device of claim 2, wherein:

The limiting plate (16) is bent, forms a U shape and forms a containing cavity, and a cover plate (17) is clamped at one end, far away from the second sliding block (14), of the limiting plate (16).

4. A chair pole adjusting hugging device according to claim 3, wherein:

one end of the sliding plate (19) is inserted into the accommodating cavity, and the side wall of the sliding plate (19) is in sliding contact with the side wall of the accommodating cavity.

5. The chair pole adjusting hugging device of claim 1, wherein:

The connecting plate (18) is an arc-shaped plate, one end of the connecting plate (18) is rotationally connected with the side wall of the overturning plate (15), and the other end of the connecting plate (18) is rotationally connected with one end of the sliding plate (19).

6. The chair pole adjusting hugging device of claim 1, wherein:

one end of the bolt (24) away from the press cap (22) penetrates through the side wall of the sliding part.

7. The chair pole adjusting hugging device of claim 1, wherein:

The axis direction of the bolt (24) is perpendicular to the plane of the waist-shaped hole (20).

8. A chair pole adjusting hugging device according to claim 3, wherein:

the cover plate (17) is close to the side wall of the limiting plate (16) and is provided with clamping hooks (26) with symmetrical positions, and the side wall of the accommodating cavity is provided with clamping plates (27) for the clamping hooks (26) to hook.

9. A chair pole adjusting hugging device according to claim 3, wherein:

a movable space (28) for deflection of the sliding plate (19) is reserved between one end of the cover plate (17) close to the sliding plate (19) and the surface of the sliding plate (19).

10. The chair pole adjusting hugging device of claim 2, wherein:

One end of the turnover plate (15) close to the second sliding block (14) is provided with a cam (29) with symmetrical positions, and the cam (29) is in abutting contact with the side wall of the second sliding block (14) in the process of following the rotation of the turnover plate (15).