WO2016154932A1

WO2016154932A1 - Novel chair frame

Info

Publication number: WO2016154932A1
Application number: PCT/CN2015/075603
Authority: WO
Inventors: 李群杰
Original assignee: 李群杰
Priority date: 2015-03-31
Filing date: 2015-03-31
Publication date: 2016-10-06

Abstract

A novel chair frame comprises a support frame (1), a base (2), and a raising/lowering device (3) mounted between the support frame (1) and the base (2) and configured to raise or lower the support frame (1) with respect to the base (2). The support frame (1) is integrally formed and comprises a connecting part (11) and several support arms (12) circumferentially arranged around a central shaft of the connecting part (11). The end of the support arm (12) connected to the connecting part (11) is a first connecting end and the other end thereof is a second connecting end. The support arm (12) gradually extends upward obliquely from the first connecting end to the second connecting end. The support frame (1) employs a design combining the support arm (12) and the connecting part (11), and reduces assembly time of the support frame, thus effectively reducing assembly time of a chair frame and increasing a manufacturing efficiency. The present invention also facilitates separation of a base (2) and a raising/lowering device (3), and can be applied to support other furniture such as a desk, thus saving resources.

Description

A new type of chair frame

Technical field

The invention relates to a new type of chair frame.

Background technique

With the improvement of living standards, people have higher and higher requirements for the performance of the chair frame, and it is hoped to have a lifting function. The existing chair frame generally includes a bracket, a chassis, and a lifting device mounted between the bracket and the chassis, and the seat is generally mounted on the bracket to drive the bracket together with the seat by the lifting device. However, in the process of producing the chair frame, the components of the bracket need to be connected and assembled, and then the connected bracket, the bottom frame and the lifting device can be assembled, thereby causing the assembly time of the seat frame to be long, which seriously affects the chair. The production efficiency of the rack.

Summary of the invention

In order to overcome the deficiencies of the prior art, it is an object of the present invention to provide a new type of chair frame which can improve the production efficiency of the seat frame.

In order to solve the above problems, the technical solution adopted by the present invention is as follows:

A new type of chair frame includes a bracket, a bottom frame, a lifting device mounted between the bracket and the bottom frame and configured to drive the bracket to move up and down relative to the chassis; the bracket is integrally formed and includes a lifting device a connecting portion, a plurality of bracket arms arranged around the central axis of the connecting portion; one end of the supporting arm connected to the connecting portion is a first connecting end, and the other end is a second connecting end; the supporting arm is from the first The connection end to the second connection end is gradually inclined upward.

The chassis comprises a sleeve portion, a plurality of legs arranged on the sleeve portion around the central axis of the sleeve portion; the extending path of the legs is linear, and the legs are close to the sleeve portion One end to the other end is gradually inclined downward; the sleeve portion is further provided with an insertion groove matched with the lower end portion of the lifting device and inserted into the lower end portion of the lifting device, and the insertion groove is along the height direction of the sleeve portion extend.

A foot pad is further disposed at a bottom of the leg at an end away from the sleeve portion.

The insertion groove has a circular cross section.

The lifting device is a gas pressure bar, and the bracket is connected to the telescopic rod of the gas pressure bar.

The bracket is an integral piece integrally formed by die casting.

Compared with the prior art, the beneficial effects of the present invention are:

The bracket adopts a combination design of the bracket arm and the connecting portion, and is integrally formed, which can reduce the assembly process of the bracket, thereby effectively reducing the assembly time of the seat frame and improving the production efficiency of the seat frame; and, by properly setting the chassis The structure and its connection with the lifting device are also convenient for splitting the chassis and the lifting device, and can be applied to support other furniture such as a table, thereby achieving resource saving purposes and making the use more flexible and diversified. .

DRAWINGS

Figure 1 is a schematic view of the structure of the present invention;

Figure 2 is an exploded view of the present invention;

Among them, 1, the bracket; 11, the connecting portion; 12, the support arm; 2, the chassis; 21, the sleeve portion; 22, the legs; 3, the lifting device.

detailed description

The present invention will be further described below in conjunction with the drawings and specific embodiments.

As shown in FIG. 1 and 2, a new type of chair frame according to the present invention includes a bracket 1 and a chassis 2 which are installed between the bracket 1 and the chassis 2 and are used for driving the bracket 1 to be lifted relative to the chassis 2. Lift The bracket 1 is integrally formed, and includes a connecting portion 11 mounted on the lifting device 3, a plurality of bracket arms 12 arranged around the central axis of the connecting portion 11, and the connecting portion 11 and the connecting portion 11 One end of the connection is a first connection end, and the other end is a second connection end; the support arm 12 is gradually inclined upward from the first connection end to the second connection end. Preferably, the bracket 1 is an integral piece integrally formed by die casting, which is convenient for manufacturing, and is advantageous for reducing the manufacturing cost. Specifically, the bracket 1 is die-cast by an aluminum alloy.

The bracket 1 of the present invention is designed by the combination of the bracket arm 12 and the connecting portion 11, and is integrally formed. Therefore, compared with the prior art, the present invention provides the bracket 1 and the connecting portion 11 by the bracket 1 and the connecting portion 11 The integral molding can reduce the assembly process of the bracket 1 , thereby effectively reducing the assembly time of the seat frame and improving the production efficiency of the seat frame; and, by properly setting the shape of each of the support arms 12, the stability of the seat support can be improved. .

The chassis 2 includes a sleeve portion 21, and a plurality of legs 22 arranged on the sleeve portion 21 around the central axis of the sleeve portion 21. The extending path of the legs 22 is linear, and the legs 22 are close to the sleeve. One end to the other end of the tubular portion 21 is gradually inclined downward; the sleeve portion 21 is further provided with an inserting groove matched with the lower end portion of the lifting device 3 and inserted into the lower end portion of the lifting device 3, the insertion slot It extends in the height direction of the sleeve portion 21. When the user sits on the seat, the lifting device 3 is firmly inserted into the sleeve portion 21 under the center of gravity of the user, thereby ensuring the safety thereof, and in the non-use state, the lifting device can be used. 3 is pulled out from the sleeve portion 21, and then the support shaft of other furniture (for example, a table or the like) is inserted into the sleeve portion 21, thereby achieving the purpose of saving resources.

Preferably, the insertion groove has a circular cross section to facilitate processing.

Preferably, the leg 22 has an angle of 10-30° with the horizontal plane to facilitate assembly. And can maintain stability.

Preferably, the bottom of the leg 22 away from the end of the sleeve portion 21 is further provided with a foot pad, and by using the foot pad, the wear of the leg 22 can be reduced to extend the service life of the leg 22.

In the lifting device 3 of the present invention, various lifting devices 3 can be used as long as the carrier 1 can be lifted and lowered. For example, it can be a pneumatic rod. In use, the telescopic rod and the bracket of the pneumatic rod can be utilized. 1 is connected to control the lifting and lowering of the telescopic rod through the control contact of the gas bar, so that the carriage 1 can be lifted and lowered. In addition, the lifting device 3 can also be a motor, a screw, a screw nut, or the like.

Various other changes and modifications may be made by those skilled in the art in light of the above-described technical solutions and concepts, and all such changes and modifications are intended to fall within the scope of the appended claims.

Claims

A new type of chair frame comprises a bracket, a bottom frame, a lifting device mounted between the bracket and the bottom frame and configured to drive the bracket to move up and down relative to the chassis; wherein the bracket is integrally formed and includes installation a connecting portion on the lifting device, a plurality of supporting arms arranged around the central axis of the connecting portion; one end of the supporting arm connected to the connecting portion is a first connecting end, and the other end is a second connecting end; The arm is gradually inclined upward from the first connecting end to the second connecting end.
The novel frame according to claim 1, wherein the chassis comprises a sleeve portion, a plurality of legs arranged on the sleeve portion around the central axis of the sleeve portion; and the extension path of the legs is straight And the leg is gradually inclined downward from one end to the other end of the sleeve portion; the sleeve portion is further provided with an inserting groove matched with the lower end portion of the lifting device and being inserted into the lower end portion of the lifting device. The insertion groove extends in the height direction of the sleeve portion.
The novel frame according to claim 2, wherein the bottom of the leg away from the end of the sleeve portion is further provided with a foot pad.
The novel frame according to claim 2, wherein said insertion groove has a circular cross section.
The novel frame according to claim 1, wherein said lifting device is a gas pressure bar, and said bracket is coupled to the telescopic rod of the gas pressure bar.
A novel chair frame according to claim 1, wherein said bracket is an integral piece integrally formed by die casting.