CN210672725U

CN210672725U - Combined chair leg

Info

Publication number: CN210672725U
Application number: CN201921311653.6U
Authority: CN
Inventors: 王仁杰
Original assignee: Mr Qi Kai Metal Products Factory (general Partnership)
Current assignee: Mr Qi Kai Metal Products Factory (general Partnership)
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-06-05
Anticipated expiration: 2029-08-14

Abstract

A combined chair leg comprises a plurality of brackets with clamping surfaces, one end of each bracket, close to the clamping surfaces, is connected with the side surface of the adjacent bracket, so that the plurality of brackets surround a polygonal channel, thereby surrounding the plurality of clamping surfaces in the polygonal channel and forming a tube cavity for fixing an air rod. The utility model discloses a set up the clamping face on the support, make a plurality of clamping faces enclose into the lumen that is used for fixed gas pole to replaced the structure that is used for connecting each support, reduced the quantity of component, reduction in production cost has simplified the dismantlement step, convenient dismantlement and transportation.

Description

Combined chair leg

Technical Field

The utility model relates to an office chair technical field, especially a modular chair foot.

Background

Most of the chair legs commonly used in the market at present are integrated, and comprise chair leg main bodies and chair legs which are uniformly arranged by taking the chair leg main bodies as centers and extend to the periphery. Because of the stability and safety during use, the area occupied by the extending chair legs is larger and is often larger than the area of the chair seat. Therefore, the whole set of chair is inconvenient because of the large area of the chair legs in the processes of disassembly, packaging and transportation. The prior combined chair foot is disclosed as patent number CN201094420, wherein a chair foot base and supporting legs are separated, the front end of each supporting leg is sleeved with a connecting piece, a tenon hole is formed in the connecting piece, a male tenon is arranged on the side surface of the chair foot base corresponding to the connecting part of each supporting leg, each supporting leg is transversely inserted and connected onto the chair foot base through the matching of the tenon hole and the male tenon, so that a complete chair foot is assembled, namely the supporting legs of the chair foot and the chair foot base can be detached and separately packaged for transportation during transportation, but the combined chair foot has many structural parts, is troublesome to detach and inconvenient to detach and transport.

Disclosure of Invention

The utility model aims at providing a modular chair foot, the utility model provides a current modular chair foot structure many, the dismouting is troublesome, the problem of inconvenient dismantlement and transportation.

The technical solution of the utility model is that: a combined chair leg comprises a plurality of brackets with clamping surfaces, wherein one end of each bracket, which is close to the clamping surface, is connected with the side surface of the adjacent bracket, so that the plurality of brackets surround a positioning channel, thereby the plurality of clamping surfaces are surrounded in the positioning channel and form a tube cavity for fixing an air rod.

Preferably, the support comprises a support and a member connected with the support, a threaded hole is formed in one end face, far away from the member, of the support, a first through hole and a second through hole are formed in the member, a guide channel is formed between the first through hole and the second through hole, adjacent supports sequentially penetrate through the first through hole, the guide channel and the second through hole through bolts and enter the adjacent threaded holes in the supports, and therefore the adjacent supports are fixedly connected.

Preferably, an included angle b is formed between the supporting piece and the component.

Preferably, the number of the first through holes, the second through holes and the threaded holes is 1-2.

Preferably, the length of the member is 4 to 8 times the length of the support.

Preferably, the member is rectangular or circular or racetrack shaped in cross-section.

Preferably, the member is axially provided with a lightening hole.

Preferably, the number of the stents is n, and the adjacent stents have an included angle a, wherein the angle of a is (n-2) × 180/n °

Preferably, the clamping surface is a circular arc surface or a conical arc surface.

Preferably, the clamping surface is a conical arc surface with the conicity gradually decreasing from the top to the bottom.

The utility model has the advantages that:

the utility model discloses a set up the clamping face on the support, make a plurality of clamping faces enclose into the lumen that is used for fixed gas pole to replaced the structure that is used for connecting each support, reduced the quantity of component, reduction in production cost has simplified the dismantlement step, convenient dismantlement and transportation.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic view of a cradle according to an embodiment;

FIG. 3 is a partial cross-sectional view of the components;

FIG. 4 is a top view of the embodiment;

FIG. 5 is a side view of a component of the embodiment;

FIG. 6 is a schematic structural diagram according to the second embodiment;

FIG. 7 is a top view of the second embodiment;

Detailed Description

The present invention will be further described with reference to the following embodiments in conjunction with the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Example 1, as shown in fig. 1 to 4, a combined chair leg comprises a plurality of brackets 1 having clamping surfaces 101, wherein one end of each bracket 1 near the clamping surface 101 is connected with a side surface of an adjacent bracket 1, so that the plurality of brackets 1 surround a positioning channel 2, thereby the plurality of clamping surfaces 101 are enclosed in the positioning channel 2 and form a tube cavity 3 for fixing an air rod, the plurality of clamping surfaces surround the tube cavity 3 by arranging the clamping surfaces on the brackets, thereby replacing structural members for connecting the brackets, reducing the number of the structural members, reducing the production cost, simplifying the disassembly step, facilitating the disassembly and transportation, the number of the brackets 1 is n, and an included angle a is formed between the adjacent brackets 1, wherein the angle a is (n-2) × 180/n °, preferably, the number of the brackets 1 is 5, the included angle a between the adjacent brackets 1 is 108 degrees.

Further, the stent 1 comprises a support member 102 and a member 103 connected with the support member 102, a threaded hole 1021 is arranged on one end surface of the support member 102 far away from the member 103, a first through hole 1031 and a second through hole 1032 are arranged on the member 103, a guide channel 1033 is formed between the first through hole 1031 and the second through hole 1032, adjacent stents 1 are fixedly connected with each other by bolts 4 which pass through the first through hole 1031, the guide channel 1033 and the second through hole 1032 in sequence and enter the threaded hole 1021 on the adjacent stent 1, the side surface reference and the threaded hole 1021 of the stent 1 are fixedly connected with the reference of the first through hole 1031, the second through hole 1032 and the guide channel 1033 on the adjacent stent 1 by bolts 4, the lumen 3 surrounded by the plurality of clamping surfaces 101 is ensured to be a standard conical lumen, and is matched with the taper of the air bar, and the adjacent stents 1 are fixedly connected by a threaded connection mode, the disassembly and the assembly are convenient.

Further, an angle b is formed between the supporting member 102 and the member 103, preferably, wherein the angle b is 270- (n-2) × 180/n °, in this embodiment, n is preferably 5, and the angle b is 162 °.

Preferably, the number of the first through holes 1031, the second through holes 1032 and the threaded holes 1021 is 1-2, and 2 are adopted in this embodiment.

Preferably, the length of the member 103 is 4-8 times of the length of the support member 102, such an arrangement ensures that the plurality of brackets 1 are stably supported on the ground after being fixedly connected, and when the length of the support member 102 is 4-8 times of the length of the member 103, the support member 102 is held to be detached more easily, which is beneficial to detachment.

Preferably, as shown in fig. 5, the cross section of the member 103 is rectangular, circular or racetrack shaped, and the present embodiment is rectangular.

Preferably, the component 103 is axially provided with lightening holes 1034, and the weight of the component 103 can be reduced due to the lightening holes 1034, so that the transportation is convenient.

Preferably, the clamping surface 101 is a circular arc surface or a conical arc surface, and the embodiment adopts a conical arc surface.

Preferably, the clamping surface 101 is a conical arc surface with a taper decreasing from the top to the bottom.

Embodiment 2, as shown in fig. 3, 6 and 7, a combined chair leg comprises a plurality of brackets 1 having clamping surfaces 101, wherein one end of each bracket 1 near the clamping surface 101 is connected with a side surface of the adjacent bracket 1, so that the plurality of brackets 1 surround a positioning channel 2, thereby the plurality of clamping surfaces 101 are enclosed in the positioning channel 2 and form a tube cavity 3 for fixing an air rod, the plurality of clamping surfaces surround the tube cavity 3 by arranging the clamping surfaces on the brackets, thereby replacing structural members for connecting the brackets, reducing the number of structural members, reducing the production cost, simplifying the disassembly step, facilitating the disassembly and transportation, the number of the brackets 1 is n, and the angle a between the adjacent brackets 1 is (n-2) × 180/n °, preferably, the number of the brackets 1 is 4, the included angle a between the adjacent brackets 1 is 90 degrees.

Further, an angle b is formed between the supporting member 102 and the member 103, preferably, wherein the angle b is 270- (n-2) × 180/n °, in this embodiment, n is preferably 4, and the angle b is 180 °.

Preferably, the number of the first through holes 1031, the second through holes 1032 and the threaded holes 1021 is 1-2, and in this embodiment, 1 is adopted.

Preferably, as shown in fig. 5, the cross section of the member 103 is rectangular or circular or racetrack shaped, and the embodiment is circular.

Preferably, the clamping surface 101 is an arc surface or a conical arc surface, and the arc surface is adopted in this embodiment.

Claims

1. A combined chair leg is characterized in that: the device comprises a plurality of brackets (1) with clamping surfaces (101), wherein one end of each bracket (1) close to the clamping surface (101) is connected with the side surface of the adjacent bracket (1), so that the plurality of brackets (1) surround a positioning channel (2), and a plurality of clamping surfaces (101) are surrounded in the positioning channel (2) to form a tube cavity (3) for fixing an air rod.

2. The combination chair leg as claimed in claim 1, wherein: the support (1) comprises a support (102) and a member (103) connected with the support (102), a threaded hole (1021) is formed in one end face, away from the member (103), of the support (102), a first through hole (1031) and a second through hole (1032) are formed in the member (103), a guide channel (1033) is formed between the first through hole (1031) and the second through hole (1032), and bolts (4) penetrate through the first through hole (1031), the guide channel (1033) and the second through hole (1032) in sequence between adjacent supports (1) and enter the threaded hole (1021) in the adjacent supports (1), so that the adjacent supports (1) are fixedly connected.

3. The combination chair leg as claimed in claim 2, wherein: an included angle b is formed between the supporting piece (102) and the component (103).

4. The combination chair leg as claimed in claim 2, wherein: the number of the first through holes (1031), the second through holes (1032) and the threaded holes (1021) is 1-2.

5. The combination chair leg as claimed in claim 2, wherein: the length of the member (103) is 4-8 times the length of the support (102).

6. The combination chair leg as claimed in claim 2, wherein: the cross section of the member (103) is rectangular or circular or racetrack shaped.

7. The combination chair leg as claimed in claim 2, wherein: the component (103) is axially provided with lightening holes (1034).

8. The combination chair leg as claimed in claim 1, wherein: the number of the brackets (1) is n, an included angle a is formed between every two adjacent brackets (1), and the angle of a is (n-2) × 180/n degrees.

9. The combination chair leg as claimed in claim 1, wherein: the clamping surface (101) is an arc surface or a conical arc surface.

10. The combination chair leg as claimed in claim 1, wherein: the clamping surface (101) is a conical arc surface with the conicity gradually reduced from the top to the bottom.