CN210227492U

CN210227492U - Five-star foot base and landing leg connecting structure

Info

Publication number: CN210227492U
Application number: CN201920897267.3U
Authority: CN
Inventors: Chenhuan Li; 李晨欢
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-14
Filing date: 2019-06-14
Publication date: 2020-04-03
Anticipated expiration: 2029-06-14

Abstract

The utility model provides a five-pointed star foot base and landing leg connection structure, including base and landing leg, be equipped with the connector on the lateral wall of base, be equipped with down the connector on the landing leg, connector tip lower extreme is equipped with first arch, the connector downside is gone up be equipped with first recess on the lateral wall, be equipped with the second recess on the connector down, connector tip is equipped with the second arch down, first arch with the second recess is complementary, the second arch is inserted in the first recess. This connection structure easy dismounting is swift, and bearing capacity is strong and stability is high.

Description

Five-star foot base and landing leg connecting structure

Technical Field

The utility model relates to the technical field of furniture, especially, relate to a five-pointed star foot base and landing leg connection structure.

Background

The swivel chair leg is also called five-star leg, is a common supporting accessory of swivel chairs and office chairs, is used for installing a lifting cylinder and supporting the swivel chair, and the existing swivel chair leg is generally of an integral structure. When the leg arm is damaged or the whole five-star foot needs to be replaced, the structure occupies a large space, and the storage and transportation cost is high.

In order to solve the above problems, some of the five-star legs are detachable, for example, a patent with application number 201910140507.X named as a high-strength five-star leg with a detachable function. The chair legs have the problems of low stability caused by complex connecting structures, inconvenience in operation due to the need of professional tools and the like, the bearing capacity of the chair legs is limited, and the connecting structures are easily damaged due to overlarge load, so that the use is influenced; after long-time use, the connection structure is unstable in matching, so that the chair legs are loosened, and noise is generated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a five-star foot base and landing leg connection structure, easy dismounting is swift, and bearing capacity is strong and stability is high.

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

the utility model provides a five-pointed star base and landing leg connection structure, includes base and landing leg, be equipped with the upper connector on the lateral wall of base, be equipped with down the connector on the landing leg, upper connector tip lower extreme is equipped with first arch, the upper connector downside be equipped with first recess on the lateral wall, be equipped with the second recess on the connector down, the connector tip is equipped with the second arch down, first arch with the second recess is complementary, the second arch inserts in the first recess.

Preferably, the upper connecting body comprises an upper plate and side plates on two sides of the upper plate, the end parts of the side plates extend downwards to form arc-shaped first bulges, a limiting body positioned between the side plates is arranged on the lower connecting body, and the end part of the limiting body is provided with the second bulges.

Preferably, a limiting plate is arranged between the two side plates, a containing cavity for containing the limiting plate is arranged on the limiting body, and the limiting body is embedded between the side plates and the limiting plate.

Preferably, the number of the first grooves on a single upper connecting body is two.

Preferably, the upper surface of the second protrusion is an arc surface which gradually inclines downwards from the outside to one side of the middle part of the base.

Preferably, the first protrusion extends upwards to one side of the middle of the base to form a third groove, and the end of the second groove extends upwards to form a third protrusion complementary to the third groove.

Preferably, the end of the supporting leg is provided with a limiting surface which abuts against the side wall, the limiting surface is provided with a step bulge, the second bulge is arranged on the step bulge, and the side wall is provided with a step groove which is embedded with the step bulge.

To sum up, compare with prior art, the utility model has the advantages of: be applied to the connected node of five-star foot with mortise and tenon structural style, easy dismounting, the noise is little, and connection structure forms staggered structure on the horizontal plane, has improved connection structure's intensity and stability greatly.

Drawings

Fig. 1 is a schematic view of the external structure of the present invention;

fig. 2 is a schematic structural diagram of the present invention;

FIG. 3 is a schematic view of a base structure;

FIG. 4 is a front view of the base structure;

fig. 5 is a schematic view of a leg structure.

The reference numbers in the figures are as follows:

1. the structure of the automobile seat comprises a base, 11. an upper connecting body, 111. an upper plate, 112. a side plate, 113. a limiting plate, 12. a first protrusion, 13. a first groove, 14. a third groove, 15. a side wall, 16. a step-shaped groove, 2. a supporting leg, 21. a lower connecting body, 22. a second protrusion, 23. a second groove, 24. a limiting body, 241. a containing cavity, 25. a third protrusion, 26. a limiting surface and 27. a step protrusion.

Detailed Description

The invention will be further described with reference to the following examples in the drawings.

As shown in fig. 1 to 5, a five-pointed star base and landing leg connecting structure comprises a base 1 and a landing leg 2, an upper connecting body 11 is arranged on a side wall 15 of the base 1, a lower connecting body 21 is arranged on the landing leg 2, a first protrusion 12 is arranged at the lower end of the end portion of the upper connecting body 11, a first groove 13 is arranged on the side wall 15 at the lower side of the upper connecting body 11, a second groove 23 is arranged on the lower connecting body 21, a second protrusion 22 is arranged at the end portion of the lower connecting body 21, the first protrusion 12 is complementary with the second groove 23, the second protrusion 22 is inserted into the first groove 13, and the lower side surface of the second protrusion 22.

The upper connecting body 11 comprises an upper plate 111 and side plates 112 on two sides of the upper plate 111, the end parts of the side plates 112 extend downwards to form arc-shaped first protrusions 12, a limiting body 24 positioned between the side plates 112 is arranged on the lower connecting body 21, and second protrusions 22 are arranged on two sides of the end part of the limiting body 24. The upper plate 111 and the side plate 112 half-wrap the lower link body 21. A limiting plate 113 is arranged between the two side plates 112, a containing cavity 241 for containing the limiting plate 113 is arranged on the limiting body 24, and the limiting body 24 is embedded between the side plates 112 and the limiting plate 113 to form a staggered structure perpendicular to the extending direction of the supporting leg 2. The number of the first grooves 13 on a single upper connecting body 11 is two, and the first grooves 13 on two sides are respectively positioned at the inner side positions of the side plates 112.

The upper surface of the second protrusion 22 is an arc surface which is gradually inclined downwards from the outside to one side of the middle part of the base 1, so that the assembly process of the supporting leg 2 rotating from bottom to top around the first protrusion 12 to the second protrusion 22 inserted into the first groove 13 can be smoothly carried out.

The first protrusion 12 extends upwards to one side of the middle of the base 1 to form a third groove 14, and the end of the second groove 23 extends upwards to form a third protrusion 25 which is complementary with the third groove 14. The first protrusion 12 and the third groove 14 form an S-shaped structure, the second groove 23 and the third protrusion 25 form an S-shaped structure, that is, the first protrusion 12 and the second groove 23, and the third protrusion 25 and the third groove 14 form an interlaced structure parallel to the extending direction of the leg 2. The mortise and tenon type is applied to the connection structure of the five-star foot, the base 1 and the supporting legs 2 can be respectively formed by integrally injection molding of polytetrafluoroethylene materials, the elasticity and the self-lubrication of the structure ensure the stability of the five-star foot in the process of coping with alternating load and dynamic load, and the noise is reduced.

The end part of the landing leg 2 is provided with a limiting surface 26 which is abutted against the side wall 15, the limiting surface 26 is provided with a step bulge 27, the second bulge 22 is arranged on the step bulge 27, and the side wall 15 is provided with a step-shaped groove 16 which is embedded with the step-shaped bulge.

The above description is only for explaining the present invention, so that the person skilled in the art can completely implement the present invention, but not for limiting the present invention, and after reading the present specification, the person skilled in the art can make modifications to the present embodiment as required without inventive contribution, which are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a five-pointed star base and landing leg connection structure, includes base (1) and landing leg (2), its characterized in that: be equipped with the upper connector (11) on lateral wall (15) of base (1), be equipped with down connector (21) on landing leg (2), upper connector (11) tip lower extreme is equipped with first arch (12), upper connector (11) downside be equipped with first recess (13) on lateral wall (15), be equipped with second recess (23) down on connector (21), connector (21) tip is equipped with the protruding (22) of second down, first arch (12) with second recess (23) are complementary, the protruding (22) of second inserts in first recess (13).

2. The five-pointed star foot base and leg connection structure of claim 1, wherein: the upper connecting body (11) comprises an upper plate (111) and side plates (112) on two sides of the upper plate (111), the end parts of the side plates (112) extend downwards to form arc-shaped first bulges (12), limiting bodies (24) located between the side plates (112) are arranged on the lower connecting body (21), and second bulges (22) are arranged on the end parts of the limiting bodies (24).

3. The five-pointed star foot base and leg connection structure of claim 2, wherein: a limiting plate (113) is arranged between the two side plates (112), a containing cavity (241) for containing the limiting plate (113) is arranged on the limiting body (24), and the limiting body (24) is embedded between the side plates (112) and the limiting plate (113).

4. The five-pointed star foot base and leg connection structure of claim 1, wherein: the number of the first grooves (13) on the single upper connecting body (11) is two.

5. The five-pointed star foot base and leg connection structure of claim 1, wherein: the upper surface of the second bulge (22) is an arc surface which is gradually inclined downwards from outside to one side of the middle part of the base (1).

6. The five-pointed star foot base and leg connection structure of claim 1, wherein: the first bulge (12) extends upwards to one side of the middle of the base (1) to form a third groove (14), and the end part of the second groove (23) extends upwards to form a third bulge (25) which is complementary with the third groove (14).

7. The five-pointed star foot base and leg connection structure of claim 1, wherein: landing leg (2) tip be equipped with spacing face (26) that lateral wall (15) offset, be equipped with step arch (27) on spacing face (26), second arch (22) set up on step arch (27), be equipped with on lateral wall (15) with step groove (16) of step arch (27) gomphosis.