CN111166088A

CN111166088A - Chair with automatic aligning function and fixing mechanism

Info

Publication number: CN111166088A
Application number: CN202010107169.2A
Authority: CN
Inventors: 吴新云
Original assignee: Foshan Leadcom Seating Co ltd
Current assignee: Foshan Leadcom Seating Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-05-19

Abstract

The invention provides a chair with an automatic aligning function and a fixing mechanism. The fixing mechanism comprises a seat plate mounting seat, an automatic reset rotary shaft and a locking mechanism; the seat board mounting seat is provided with a clamping groove and an axial hole which is communicated with the clamping groove and is vertical in the axial direction; the top of the automatic reset rotary shaft is inserted into the shaft hole and is connected with the shaft hole in a matching way; the locking mechanism comprises a connecting screw rod, a clamping part and a connecting part; the clamping parts are respectively fixedly arranged on two sides of the top end of the connecting part and clamped in the clamping grooves; the bottom end of the connecting part is provided with an inclined plane, the bottom of the connecting part is inserted into the shaft hole, and the top of the automatic reset rotary shaft is matched and connected with the inclined plane; the connecting screw rod penetrates through the connecting part and is in threaded connection with the automatic reset revolution shaft. The fixing mechanism has the advantages of novel structure, good universality and strong locking effect, and can ensure that the seat board can be accurately aligned. The chair comprises the fixing mechanism, a seat plate and a base; the seat board mounting seat is fixedly connected to the bottom surface of the seat board; the bottom of the automatic reset rotary shaft is fixedly connected to the base.

Description

Chair with automatic aligning function and fixing mechanism

Technical Field

The invention belongs to the technical field of chairs, and particularly relates to a chair with an automatic aligning function and a fixing mechanism.

Background

At present, the swivel chair in the market can realize lifting and rotating, is simple to use and convenient to operate, and is suitable for occasions such as bars, offices, schools and families. Although the lifting chair has the lifting function and the rotating function, the chair surface of the rotating chair can freely rotate for 360 degrees relative to the chair legs, which is very convenient, when the human body leaves after rotating, the chair surface still keeps the state after the rotation is finished, and can not automatically rotate to the set position (or called automatic alignment).

With the development of science and technology, a swivel chair capable of automatically rotating and resetting has been developed, for example, the patent application numbers are: 201520557103.8 discloses an automatic returning swivel axis of swivel chair, which can automatically return to the set position.

The existing lifting seat generally adopts a seat plate chassis as shown in fig. 3, the seat plate chassis is provided with a through hole for installing a gas spring, the gas spring is directly inserted into the through hole, and the seat plate can be effectively supported, so that the seat plate can be lifted and can rotate 360 degrees relative to the gas spring. However, how to effectively utilize the automatic returning swivel shaft to be combined with the seat plate chassis of the lifting seat to enable the automatic returning swivel shaft to be quickly, simply and stably fixed on the seat plate chassis, and the automatic returning swivel shaft is tightly and firmly fixed to obtain an excellent returning effect, which is a current difficult problem.

It is seen that improvements and enhancements to the prior art are needed.

Disclosure of Invention

In view of the above-mentioned disadvantages of the prior art, an object of the present invention is to provide a fixing mechanism for connecting a base and a seat plate, which effectively utilizes the seat plate chassis of the current lifting seat, has the advantages of easy assembly and disassembly, strong locking effect, good versatility, and can realize a better automatic aligning function.

In order to achieve one of the purposes, the invention adopts the following technical scheme:

a fixing mechanism comprises a seat plate mounting seat used for connecting a seat plate and an automatic reset swivel shaft, wherein the fixing mechanism further comprises a locking mechanism; the seat plate mounting seat is provided with a clamping groove and an axial hole which is communicated with the clamping groove and is vertical in the axial direction; the top of the automatic reset rotary shaft is inserted into the shaft hole and is connected with the shaft hole in a matching way; the locking mechanism comprises a connecting screw rod, a clamping part and a connecting part; the clamping parts are fixedly arranged on two sides of the top end of the connecting part respectively and clamped in the clamping grooves; the bottom end of the connecting part is provided with an inclined plane, the bottom of the connecting part is inserted into the shaft hole, and the top of the automatic reset rotary shaft is matched and connected with the inclined plane; the connecting screw rod penetrates through the connecting part and is in threaded connection with the automatic resetting rotary shaft.

In the fixing mechanism, the seat board mounting seat is a seat board chassis of the lifting seat.

In the fixing mechanism, the connecting screw rod is a hexagon socket head cap screw.

In the fixing mechanism, the clamping portion is provided with a limit screw which is vertically arranged and is fixedly connected with the clamping portion, and the limit screw is clamped in the clamping groove.

In the fixing mechanism, the connecting part is provided with a through hole which is vertically arranged, the connecting screw rod penetrates through the through hole, and the top of the automatic resetting rotary shaft is provided with a connecting screw hole which is connected with the connecting screw rod.

In addition, another object of the present invention is to provide a chair with automatic aligning function, which has simple structure, easy installation and good aligning effect.

In order to achieve the second purpose, the invention adopts the following technical scheme:

the invention also provides a chair with an automatic aligning function, which comprises the fixing mechanism, the seat board and the base; the seat board mounting seat is fixedly connected to the bottom surface of the seat board; the bottom of the automatic reset rotary shaft is fixedly connected to the base.

In the chair with the automatic correcting function, the chair is provided with a chair back.

Has the advantages that:

the chair and the fixing mechanism with the automatic aligning function have the advantages of simple and unique structure, convenience and easiness in installation, strong locking function, realization of the automatic aligning function and good aligning effect.

The invention effectively utilizes the seat plate chassis of the existing lifting seat, designs a fixing mechanism with the characteristics of strong locking action, easy installation and the like on the basis of the seat plate chassis, is used for connecting the seat plate chassis and the base, has good universality, completely does not need to design a proper seat plate chassis and a die for manufacturing the seat plate chassis, and greatly reduces the operating cost of production enterprises.

Drawings

Fig. 1 is a schematic structural view of the connection between an automatic reset swivel shaft and a locking mechanism in the fixing mechanism provided by the invention.

Fig. 2 is a schematic structural diagram of the connection between the locking mechanism and the seat plate mounting seat in the fixing mechanism provided by the present invention.

Fig. 3 is a perspective view of a seat plate mounting seat in the fixing mechanism of the present invention.

Fig. 4 is a schematic view of the locking mechanism in the fixing mechanism provided by the present invention.

Fig. 5 is a perspective view of a chair with self-righting function according to the present invention.

Detailed Description

The present invention provides a chair with automatic aligning function and a fixing mechanism, and in order to make the purpose, technical scheme and effect of the present invention clearer and clearer, the present invention will be further described in detail below by referring to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2 and 5, the present invention provides a fixing mechanism, which includes a seat plate mounting seat 3 for connecting a seat plate 12, an automatic returning swivel shaft 2, wherein the fixing mechanism further includes a locking mechanism 4.

As shown in fig. 3, the seat plate mounting seat 3 is provided with a locking groove 31 and an axial hole 32 which is communicated with the locking groove 31 and is vertical in the axial direction. Specifically, the seat plate mounting seat 3 is a seat plate chassis of an existing elevating seat, and is mounted below the seat plate 12 to support the seat plate, as shown in fig. 5. Of course, the base plate can be other types of base plates with shaft holes and clamping grooves.

As shown in fig. 3 and 5, the top of the self-return swiveling shaft 2 is inserted into the shaft hole 32 and is connected to the shaft hole 32. The internal diameter size in shaft hole 32 suits with the external diameter size at the top of automatic re-setting gyration axle 2, inserts the shaft hole 32 back when automatic re-setting gyration axle 2, and bedplate mount pad 3 can only rotate along automatic re-setting gyration axle 2, and can not produce the level and rock.

As shown in fig. 1, 2, 3 and 4, the locking mechanism 4 includes a connecting screw 41, a clamping portion 43 and a connecting portion 42; the clamping parts 43 are respectively and fixedly arranged at two sides of the top end of the connecting part 42 and clamped in the clamping grooves 31; the bottom of connecting portion 42 is equipped with inclined plane 47, insert the bottom of connecting portion 42 shaft hole 32, the link 21 at the top of automatic re-setting gyre axle 2 with inclined plane 47 cooperation meets, promptly, after connecting screw 41 couples together connecting portion 42 and automatic re-setting gyre axle 2, inclined plane 47 and the inclined plane 22 laminating contact that the link 21 at the top of automatic re-setting gyre axle 2 set up. The connecting screw rod 41 penetrates through the connecting part 41 and is in threaded connection with the automatic reset revolution shaft 2.

The projection of the connecting part 41 on the horizontal plane is circular, the diameter of the connecting part is smaller than that of the shaft hole 32, the connecting part 42 can be conveniently inserted into the shaft hole 32, and the difficulty in dismounting is reduced. In addition, a groove (not shown) is formed in the top of the automatic reset rotary shaft 2, the connecting end 21 of the automatic reset rotary shaft 2 is located in the groove, the connecting portion 42 is correspondingly inserted into the groove to be connected with the connecting end 21 in a matching manner, and the connection between the automatic reset rotary shaft 2 and the connecting portion 42 is hidden in the groove.

Set up inclined plane 47 and inclined plane 22 respectively at connecting portion 42 and automatic re-setting convolution axle 2's junction, area of contact has been increased, thereby increase frictional force, be favorable to strengthening the connection between connecting portion 42 and the automatic re-setting convolution axle 2, prevent to take place to rotate because of between connecting portion 42 and the automatic re-setting convolution axle 2, it reduces to some extent to become flexible so that just effect reduces, and need not to carry out troublesome hole to when the installation, when inclined plane 47 and inclined plane 22 laminate mutually, just accomplished the hole, be convenient for penetrate connecting portion 42 with connecting screw and screw in link 21, reduce the installation degree of difficulty.

The invention adopts the fixing mechanism with unique structure to fixedly connect the fixing mechanism with the prior seat plate mounting seat 3, thereby not only having good locking effect, easy manufacture, simple and convenient installation, but also having good universality, needing no proper seat plate mounting seat and corresponding manufacturing die, and greatly reducing the production cost of enterprises.

As shown in fig. 1 and 4, specifically, the connecting portion 42 is provided with a through hole 44 vertically arranged, the connecting screw 41 is inserted into the through hole 44, and the top of the automatic return rotation shaft 2 is provided with a connecting screw hole (not shown in the figure) connected with the connecting screw 41.

As shown in fig. 2, specifically, the connection screw 41 is an inner hexagonal screw, and an inner hexagonal wrench is used to screw the connection screw, so that the labor is saved, the convenience is achieved, and the installation speed is increased. Of course, other types of screws are possible, such as an outer hexagonal screw.

As shown in fig. 2, the clamping portion 43 is provided with a vertically arranged limiting screw 45 fixedly connected with the vertically arranged limiting screw, and the limiting screw 45 is clamped in the clamping groove 31.

As shown in fig. 1, 2 and 3, after the top of the self-resetting swivel shaft 2 is inserted into the shaft hole 32, the connecting portion 42 is inserted into the shaft hole 32 and the clamping portion 43 is disposed in the clamping groove 31, and the connection between the self-resetting swivel shaft 2 and the connecting portion 42 is realized by using the connecting screw 41; then use stop screw 45, twist into connecting hole 46 that joint portion 43 was established, the edge of stop screw 45 contacts with the internal face of draw-in groove 31, realized joint portion 43 joint in draw-in groove 31, and then ensure that bedplate mount pad 3 can drive locking mechanism 4 rotatory simultaneously, and, because establish stronger locking effect between locking mechanism 4 and the top of automatic re-setting gyration axle 2, thereby make the top of automatic re-setting gyration axle 2 along with bedplate mount pad 3 synchronous rotation, leave the back at the human body, then can automatic antiport, reset.

As shown in fig. 5, in another aspect, the present invention further provides a chair with self-righting function, which comprises the fixing mechanism as described above, a seat plate 12, and a base (not shown in the figure); the seat plate mounting seat 3 is fixedly connected to the bottom surface of the seat plate 12 through bolts; the bottom of the automatic reset rotary shaft 2 is fixedly connected to the base. In the embodiment, the chair has no chair back and can be used in occasions such as bars and the like.

In particular, the chair is provided with a back 11. In the embodiment, the chair can be applied to occasions such as teaching places, offices and the like.

The chair provided by the invention adopts the fixing mechanism, has an automatic return function, and can automatically return to the original position after rotating.

In conclusion, the invention provides the chair with the automatic aligning function and the fixing mechanism, which have the advantages of simple and unique structure, convenience and easiness in installation, stronger locking function, realization of the automatic aligning function and good aligning effect.

It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.

Claims

1. A fixing mechanism comprises a seat plate mounting seat used for connecting a seat plate and an automatic reset swivel shaft, and is characterized by further comprising a locking mechanism;

the seat plate mounting seat is provided with a clamping groove and an axial hole which is communicated with the clamping groove and is vertical in the axial direction;

the top of the automatic reset rotary shaft is inserted into the shaft hole and is connected with the shaft hole in a matching way;

the locking mechanism comprises a connecting screw rod, a clamping part and a connecting part; the clamping parts are fixedly arranged on two sides of the top end of the connecting part respectively and clamped in the clamping grooves; the bottom end of the connecting part is provided with an inclined plane, the bottom of the connecting part is inserted into the shaft hole, and the top of the automatic reset rotary shaft is matched and connected with the inclined plane; the connecting screw rod penetrates through the connecting part and is in threaded connection with the automatic resetting rotary shaft.

2. The securing mechanism of claim 1, wherein the seat pan mount is a seat pan of a lift seat.

3. The securing mechanism of claim 1, wherein the connecting screw is a socket head cap screw.

4. The fixing mechanism according to claim 1, wherein the engaging portion is provided with a limit screw vertically disposed and fixedly connected therewith, and the limit screw is engaged with the engaging slot.

5. The fixing mechanism according to claim 1, wherein the connecting portion has a through hole disposed vertically, the connecting screw rod is inserted into the through hole, and a connecting screw hole connected to the connecting screw rod is disposed at the top of the automatic return swivel shaft.

6. A chair with self-righting function, characterized in that, comprising the fixing mechanism as claimed in any one of claims 1 to 5, and a seat plate and a base; the seat board mounting seat is fixedly connected to the bottom surface of the seat board; the bottom of the automatic reset rotary shaft is fixedly connected to the base.

7. The chair with self-righting function as claimed in claim 6, wherein the chair is provided with a chair back.