CN210008749U

CN210008749U - Liftable chair foot and chair

Info

Publication number: CN210008749U
Application number: CN201920501756.2U
Authority: CN
Inventors: 李俊
Original assignee: Shenzhen Ziyou Zhuoku Technology Co Ltd
Current assignee: Shenzhen Ziyou Zhuoku Technology Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-02-04
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a liftable chair foot and chair, the on-line screen storage device comprises a base, middle coupling assembling and face stand, middle coupling assembling includes middle connecting rod and connects in the base connecting plate of middle connecting rod tip, the base is equipped with through-hole and a plurality of screw post, the base connecting plate is equipped with a plurality of screw holes, the lateral part of face stand is equipped with a plurality of altitude mixture control holes, when the face stand is connected in the base, the screw hole passes through the screw connection screw post, the face stand inserts to middle connecting rod, the face stand, middle connecting rod all passes the through-hole, the base connecting plate is connected in the lower surface of base. The utility model discloses can increase the connection area between face stand and the base through increasing middle coupling assembling, increase the joint strength between the face stand base as far as possible. After the face stand column is installed, the middle connecting assembly is shielded by the face stand column and the base and is in a hidden state, appearance quality is not influenced, and warehousing and transportation are facilitated after disassembly.

Description

Liftable chair foot and chair

Technical Field

The utility model relates to a liftable chair belongs to chair technical field.

Background

The liftable chair is added with the function of adjusting the board surface on the basis of the common chair with the fixed board surface, and is one of the common articles for daily use. In order to facilitate production, transportation and storage, the liftable chair in the prior art mostly adopts a split type structure, the chair is roughly divided into a chair seat, an upright post and a base, when the liftable chair is used, the lower end of the upright post is connected to the base, and the chair seat slides up and down along the upright post, so that the height of the chair seat is adjusted.

In the prior art, the upright column is usually a hollow metal tube, the base is usually made of plastic in consideration of cost and weight, and during assembly, the upright column is directly installed on the base through a screw.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model aims to provide a liftable chair leg and a chair.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a liftable chair foot, its characterized in that, includes base, middle coupling assembling and face stand, middle coupling assembling includes the intermediate junction pole and connects in the base connecting plate of intermediate junction pole tip, the base is equipped with through-hole and a plurality of screw post, the base connecting plate is equipped with a plurality of screw holes, the lateral part of face stand is equipped with a plurality of altitude mixture control holes, when the face stand is connected in the base, the screw hole passes through the screw connection screw post, the face stand inserts to the intermediate junction pole, face stand, intermediate junction pole all pass the through-hole, the base connecting plate is connected in the lower surface of base.

Preferably, the liftable chair leg is characterized in that the middle connecting rod is sleeved inside the plate upright column, and the lower end of the plate upright column is connected with the upper surface of the base connecting plate.

Preferably, the liftable chair leg is characterized in that a first concave part is arranged on the side part of the middle connecting rod, a second concave part is arranged on the side part of the plate upright post, and when the plate upright post is connected to the middle connecting rod, the first concave part is connected to the second concave part.

Preferably, the liftable chair leg is characterized in that the first concave part and the second concave part are both two, the two concave parts are symmetrically arranged on two sides of the middle connecting rod, and the two concave parts are symmetrically arranged on two sides of the plate upright post.

Preferably, the liftable chair leg is characterized in that the base connecting plate is oval, and the number of the screw holes and the number of the screw columns are four.

Preferably, the liftable chair leg is characterized in that a locking hole for connecting an intermediate connecting rod is further formed in the side portion of the plate surface upright post.

Preferably, the liftable chair leg is characterized in that a limiting hole is further formed in the upper edge of the plate surface upright post.

Preferably, the liftable chair leg is characterized in that the lower surface of the base is further provided with a plurality of caster connecting holes.

Preferably, the liftable chair leg is characterized in that the connection relationship between the end part of the middle connecting rod and the base connecting plate is welding.

A chair is provided with a chair surface and is characterized in that the chair surface is provided with the lifting chair legs, and the chair surface is connected with a plate surface upright post.

The utility model discloses the beneficial effect who reaches:

1. the utility model discloses can increase the connection area between face stand and the base through increasing middle coupling assembling, increase the joint strength between the face stand base as far as possible.

2. After the panel stand column is installed, the middle connecting assembly is shielded by the panel stand column and the base and is in a hidden state, and the appearance quality is not influenced.

3. The first depressed part and the second depressed part can respectively increase the strength of the middle connecting rod and the plate stand column, play a role of a reinforcing rib, can increase the fitting degree of the middle connecting rod and the plate stand column by fitting the two depressed parts together, can play a role of guiding when the two depressed parts are mutually pulled out and inserted, and are favorable for installation and disassembly.

4. The utility model discloses the installation, dismantle conveniently, be convenient for storage and transportation after disassembling.

Drawings

FIG. 1 is a top view of a liftable chair leg of the present invention;

fig. 2 is a cross-sectional view a-a of fig. 1 in accordance with the present invention;

FIG. 3 is a view of the base structure of the present invention;

fig. 4 is a structural diagram of the intermediate connection assembly of the present invention;

FIG. 5 is a structural view of the upright post on the board surface of the present invention;

the meaning of the reference symbols in the figures: 1-a base; 11-a through hole; 12-a screw post; 13-caster attachment holes; 2-a middle connecting rod; 3-a base connection plate; 4-plate surface upright post; 21-recess one; 31-screw holes; 41-height adjusting holes; 42-a locking hole; 43-a limiting hole; 44-recess two.

Detailed Description

The present invention will be further described with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 5: the embodiment discloses a liftable chair foot, including base 1, middle coupling assembling and face stand 4, middle coupling assembling includes intermediate junction pole 2 and connects in the base connecting plate 3 of 2 tip of intermediate junction pole, base 1 is equipped with through-hole 11 and a plurality of screw post 12, base connecting plate 3 is equipped with a plurality of screw holes 31, the lateral part of face stand 4 is equipped with a plurality of altitude mixture control hole 41, when face stand 4 connects in base 1, screw hole 31 passes through screw connection screw post 12, face stand 4 inserts to intermediate junction pole 2, face stand 4, intermediate junction pole 2 all passes through-hole 11, base connecting plate 3 is connected in base 1's lower surface.

Specifically, middle connecting rod 2 cup joints in the inside of face stand 4, that is to say that middle connecting rod 2 is less for the cross-section of face stand 4 to when both connect, the lower extreme of face stand 4 is connected in the upper surface of base connection board 3. Can guarantee like this that the lower extreme of the face stand 4 after connecting has reliable holding power to the face stand 4 can pass through-hole 11, can form whole shelters from to middle connecting rod 2, and the outward appearance is also more pleasing to the eye.

As shown in fig. 4 and 5: the lateral part of middle connecting rod 2 is equipped with depressed part one 21, and the lateral part of face stand 4 is equipped with depressed part two 44, and when face stand 4 connected in middle connecting rod 2, depressed part one 21 was connected in depressed part two 44. The first concave part 21 and the second concave part 44 of the embodiment are two, the first concave parts 21 are symmetrically arranged on two sides of the middle connecting rod 2, and the second concave parts 44 are symmetrically arranged on two sides of the plate surface upright post 4. When the middle connecting rod 2 is inserted into the plate upright 4, the first concave part 21 is clamped with the second concave part 44, and the advantages are that: on the one hand depressed part one 21, two 44 depressed parts can increase the intensity of intermediate junction pole 2, face stand 4 respectively, play the effect of strengthening rib, and on the other hand, two depressed part pastes the laminating degree that can increase intermediate junction pole 2, face stand 4 together, when both pull out each other and insert, can play the effect of direction, are favorable to installation and dismantlement. The base connecting plate 3 of this embodiment is oval, and there are four screw holes 31 and four screw posts 12. The lateral part of the panel upright post 4 is also provided with a locking hole 42 for connecting the intermediate connecting rod 2, specifically, the locking hole 42 is used for connecting a jackscrew, and the end part of the jackscrew props against the intermediate connecting rod 2 in the panel upright post 4 to prevent the two from separating.

The upper edge of the panel upright post 4 is also provided with a limiting hole 43, and the limiting hole 43 is used for installing an end cover on the upper edge of the panel upright post 4 or preventing the seat from slipping from the interior of the panel upright post 4 (the seat is inserted into the interior of the panel upright post 4 from the upper edge of the panel upright post 4).

In order to facilitate the overall movement of the chair, the lower surface of the base 1 of the present embodiment is further provided with a plurality of caster connecting holes 13, and the caster connecting holes 13 are used for installing casters, such as universal wheels.

The connection relationship between the end of the intermediate connecting rod 2 and the base connecting plate 3 is preferably welded.

During the installation, pass screw hole 31 through the screw and connect screw post 12, install middle coupling assembling in base 1, after the installation, middle connecting rod 2 passes through-hole 11, then passes locking hole 42 through the jackscrew and connects middle connecting rod 2, realizes the locking between face stand 4 and the middle connecting rod 2, and both take place to separate when avoiding removing. It should be noted that the lower end of the plate upright column 4 (penetrating through the through hole 11) is required to be tightly attached to the base connecting plate 3 before the jackscrew is connected, so that the plate upright column 4 and the middle connecting rod 2 are prevented from sliding relatively after the jackscrew is fastened. The connecting part of the panel upright post of the chair surface is penetrated from the upper end of the panel upright post 4, and the height adjusting hole 41 at the side part of the panel upright post 4 is used for realizing the adjustment of the height of the chair surface.

This embodiment can increase the connection area between face stand 4 and the base 1 through increasing middle coupling assembling, has increased the joint strength between 4 bases 1 of face stand as far as possible, and after installing face stand 4 simultaneously, middle coupling assembling is sheltered from by face stand 4, base 1 in the use, is in hidden state, does not influence appearance quality.

The embodiment also discloses a chair, which is provided with a chair surface and the lifting chair legs, and the chair surface is connected with the plate upright post 4.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.

Claims

1. A lifting chair leg is characterized by comprising a base (1), a middle connecting component and a plate upright post (4), the middle connecting component comprises a middle connecting rod (2) and a base connecting plate (3) connected with the end part of the middle connecting rod (2), the base (1) is provided with a through hole (11) and a plurality of screw columns (12), the base connecting plate (3) is provided with a plurality of screw holes (31), the side part of the plate surface upright post (4) is provided with a plurality of height adjusting holes (41), when the plate surface upright post (4) is connected with the base (1), the screw hole (31) is connected with the screw post (12) through a screw, the board stand column (4) is inserted into the middle connecting rod (2), the board stand column (4) and the middle connecting rod (2) penetrate through holes (11), and the base connecting plate (3) is connected to the lower surface of the base (1).

2. The liftable chair leg according to claim 1, wherein the middle connecting rod (2) is sleeved inside the plate upright (4), and the lower end of the plate upright (4) is connected with the upper surface of the base connecting plate (3).

3. The liftable chair leg according to claim 1, wherein the side of the middle connecting rod (2) is provided with a first recess (21), the side of the plate upright (4) is provided with a second recess (44), and the first recess (21) is connected to the second recess (44) when the plate upright (4) is connected to the middle connecting rod (2).

4. The liftable chair leg according to claim 3, wherein two first concave portions (21) and two second concave portions (44) are provided, the two first concave portions (21) are symmetrically arranged on two sides of the middle connecting rod (2), and the two second concave portions (44) are symmetrically arranged on two sides of the plate upright post (4).

5. The liftable chair leg according to claim 1, wherein the base connecting plate (3) is oval, and the number of the screw holes (31) and the screw columns (12) is four.

6. The liftable chair leg according to claim 1, wherein the side of the plate upright (4) is further provided with a locking hole (42) for connecting the middle connecting rod (2).

7. The liftable chair leg according to claim 1, wherein the upper edge of the plate upright post (4) is further provided with a limiting hole (43).

8. The liftable chair leg according to claim 1, wherein the lower surface of the base (1) is further provided with a plurality of caster connecting holes (13).

9. The liftable chair leg according to claim 1, wherein the connection relationship between the end of the middle connecting rod (2) and the base connecting plate (3) is welding.

10. A chair provided with a seat, characterized in that a liftable chair leg according to any of claims 1 to 9 is provided, said seat being connected to a panel upright (4).