CN210227491U

CN210227491U - Five-star foot connecting structure

Info

Publication number: CN210227491U
Application number: CN201920897258.4U
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-star foot connection structure, including base and the landing leg of dismantling setting on the base, the base includes the first spacing face that is located the base lateral part, by the connector of the outside extension of first spacing face lateral part and the spacing body that is located the end part of connector, be equipped with first spacing groove on the first spacing face, first spacing groove includes the second spacing face that the slope set up, be equipped with the second spacing groove on the connector, the second spacing groove includes third spacing face down; the end part of the supporting leg is provided with a containing cavity, and a first bulge embedded with the limiting groove and a second bulge abutted against the third limiting surface are arranged in the containing cavity. It can quick assembly disassembly, has better stability in the use.

Description

Five-star foot connecting structure

Technical Field

The utility model relates to the technical field of furniture, especially, relate to a five-star foot 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.

For example, the name of the application No. 201910140507 is a high-strength five-star leg with a disassembling and assembling function, the name of the application No. 201510560573.4 is a patent capable of accommodating the five-star leg, and the disassembling and the accommodating are realized by inserting a central body and leg arms. The chair legs have the problems that the stability is low due to the complex connecting structure, the operation is inconvenient due to the need of professional tools and the like, and the chair legs are loose and generate noise due to the unstable matching of the connecting structure after long-time use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a five-star foot connection structure can quick assembly disassembly, has better stability in the use.

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

a five-star foot connecting structure comprises a base and supporting legs detachably arranged on the base, wherein the base comprises a first limiting surface positioned on the side part of the base, a connecting body extending outwards from the side part of the first limiting surface and a limiting body positioned on the end part of the connecting body, a first limiting groove is formed in the first limiting surface, the first limiting groove comprises a second limiting surface which is obliquely arranged, a second limiting groove is formed in the connecting body, and the second limiting groove comprises a third limiting surface facing downwards; the end part of the supporting leg is provided with a containing cavity, and a first bulge embedded with the limiting groove and a second bulge abutted against the third limiting surface are arranged in the containing cavity.

Preferably, the connecting body comprises a connecting plate, the connecting plate is vertically arranged, and the limiting bodies are arranged at the end parts of the connecting plate symmetrically relative to the connecting plate.

Preferably, the number of the first limiting grooves is two, the first limiting grooves are symmetrically arranged on two sides of the connecting plate, the number of the first protrusions is two, and a groove complementary with the connecting plate is arranged between the two first protrusions.

Preferably, the two sides of the connecting plate are provided with first step surfaces, the first step surfaces are of arc structures with upward openings, and the side wall of the groove is provided with first step bulges which are complementary with the first step surfaces.

Preferably, the first step end extends outwards to form the first protrusion.

Preferably, a second step surface is arranged on the side of the first step surface, the second step surface and the third limiting surface form the second limiting groove, and a second step protrusion complementary to the second step surface is arranged on the side wall of the first step protrusion.

Preferably, the first limiting groove is a V-shaped groove with an upward opening and inclined toward one side of the leg.

To sum up, compare with prior art, the utility model has the advantages of: the first bulge is obliquely inserted into the limiting groove, the second bulge abuts against the third limiting surface on the upper side, the relative translational and rotational displacement of the base and the supporting leg is limited, no redundant parts are provided, and the assembly and disassembly are convenient; the connecting plate and the first step surface and the second step surface on the side part of the connecting plate disperse the load of the supporting leg acting on the base in a horizontal area, so that the structural stability of the connecting body is improved.

Drawings

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

FIG. 2 is a schematic view of the base structure of the present invention;

fig. 3 is a first view structural diagram of the leg of the present invention;

fig. 4 is a second perspective structural sectional view of the leg of the present invention.

The reference numbers in the figures are as follows:

1. the automobile seat comprises a base, 11, a first limiting surface, 12, a connecting body, 121, a connecting plate, 13, a limiting body, 14, a first limiting groove, 141, a second limiting surface, 142, a fourth limiting surface, 15, a second limiting groove, 151, a third limiting surface, 16, a first step surface, 17, a second step surface, 2, a support leg, 21, a containing cavity, 22, a first bulge, 23, a second bulge, 24, a groove, 25, a first step bulge, 26, a second step bulge and 27 a cavity.

Detailed Description

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

As shown in fig. 1 to 4, the five-star leg connecting structure includes a base 1 and legs 2 detachably disposed on the base 1, wherein the number of the legs 2 is five and the legs are uniformly arranged along the circumference of the base 1. The base 1 comprises a first limiting surface 11 positioned on the side part of the base 1, a connecting body 12 extending outwards from the side part of the first limiting surface 11, and a limiting body 13 positioned on the end part of the connecting body. The first limiting surfaces 11 are surfaces inclined from bottom to top to one side of the middle of the base 1, and the number of the first limiting surfaces 11 is five. The first limiting surface 11 is provided with a first limiting groove 14, the first limiting groove 14 includes a second limiting surface 141 which is obliquely arranged, and the second limiting surface 141 is obliquely arranged towards the upper end of the base 1. The connecting body 12 is provided with a second limiting groove 15, and the second limiting groove 15 includes a downward third limiting surface 151. The end of the leg 2 is provided with a cavity 21, and the cavity 21 is provided with a first protrusion 22 embedded with the first limit groove 14 and a second protrusion 23 abutting against the third limit surface 151. When the base 1 and the leg 2 are installed, the connecting body 12 and the limiting body 13 are accommodated in the accommodating cavity 21, the second limiting surface 141 and the third limiting surface 151 limit the torsion of the leg 2 under the load action of the base 1, and the third limiting surface 151 limits the vertical relative movement of the leg 2 and the base 1. The supporting legs 2 and the base 1 are both integrally formed by injection molding.

The connecting body 12 comprises a connecting plate 121, the connecting plate 121 is vertically arranged, and the limiting body 13 is arranged at the end part of the connecting plate 121 and symmetrically arranged relative to the connecting plate 121. The number of the first limiting grooves 14 is two, the first limiting grooves are symmetrically arranged on two sides of the connecting plate 121, the number of the first protrusions 22 is two, a groove 24 which is complementary with the connecting plate 121 is arranged between the two first protrusions 22, and the connecting part is embedded in the groove 24. The two sides of the connecting plate 121 are provided with symmetrical first step surfaces 16, the first step surfaces 16 are of an arc structure with an upward opening, and the side wall of the groove 24 is provided with a first step protrusion 25 which is complementary with the first step surfaces 16. The end of the first step projection 25 extends outward to form a first projection 22. The side of the first step surface 16 is provided with a second step surface 17, the second step surface 17 extends towards the middle of the limiting body 13 and forms a second limiting groove 15 with an opposite third limiting surface 151, and the side wall of the first step bulge 25 is provided with a second step bulge 26 which is complementary with the second step surface 17. The first step surface 16 is an arc-shaped surface with an upward opening, the second step surface 17 gradually inclines upwards from the outside to one side of the middle part of the base 1, and one end of the second step surface, which is close to the base 1, is an arc-shaped surface gradually transited to be flush with the first limiting surface 11. The width of the stopper body 13 is greater than the width of the connecting plate 121, and when the first stepped projection 25 and the second stepped projection 26 are fitted with the first stepped surface 16 and the second stepped surface 17, the side surfaces thereof abut against the side surfaces of the stopper body 13, that is, the first stepped projection 25 and the second stepped projection 26 are sandwiched between the stopper body 13 and the first stopper surface 11.

The first limit groove 14 is a V-shaped groove with an upward opening and inclined toward one side of the leg 2. The V-shaped groove comprises a second limiting surface 141 and a fourth limiting surface 142, the fourth limiting surface 142 is close to one side of the middle of the base 1, the fourth limiting surface 142 is vertically arranged, and a rubber layer can be coated on the fourth limiting surface 142. One side of the first step bulge 25 is provided with a cavity 27 for accommodating the limiting body 13, and a gap is reserved between the limiting body 13 and the upper side of the cavity 27 in the installation state. During assembly, the stopper 13 is inserted into the cavity 27, the leg 2 is rotated with the contact side surface of the first step projection 25 and the stopper 13 as a fulcrum, the first projection 22 is inserted into the first stopper groove 14, and the second projection 23 is rotated to abut against the third stopper surface 151, thereby completing the assembly.

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-star foot connection structure, includes base (1) and can dismantle the setting and be in landing leg (2) on base (1), its characterized in that: the base (1) comprises a first limiting surface (11) located on the side portion of the base (1), a connecting body (12) extending outwards from the side portion of the first limiting surface (11), and a limiting body (13) located on the end portion of the connecting body (12), wherein a first limiting groove (14) is formed in the first limiting surface (11), the first limiting groove (14) comprises a second limiting surface (141) arranged in an inclined mode, a second limiting groove (15) is formed in the connecting body (12), and the second limiting groove (15) comprises a third limiting surface (151) facing downwards; the end part of the supporting leg (2) is provided with a containing cavity (21), a first bulge (22) embedded with the first limiting groove (14) and a second bulge (23) abutted against the third limiting surface (151) are arranged in the containing cavity (21).

2. The five-star foot connection structure according to claim 1, wherein: the connecting body (12) comprises a connecting plate (121), the connecting plate (121) is vertically arranged, and the limiting body (13) is located at the end of the connecting plate (121) and symmetrically arranged relative to the connecting plate (121).

3. The five-star leg connection structure according to claim 2, wherein: the number of the first limiting grooves (14) is two, the first limiting grooves are symmetrically arranged on two sides of the connecting plate (121), the number of the first protrusions (22) is two, and a groove (24) complementary to the connecting plate (121) is formed between the two first protrusions (22).

4. The five-star foot connection structure according to claim 3, wherein: first step surfaces (16) are arranged on two sides of the connecting plate (121), the first step surfaces (16) are of arc structures with upward openings, and first step protrusions (25) complementary to the first step surfaces (16) are arranged on the side walls of the grooves (24).

5. The five-star foot connection structure according to claim 4, wherein: the end part of the first step bulge (25) extends outwards to form the first bulge (22).

6. The five-star foot connection structure according to claim 4, wherein: the side part of the first step surface (16) is provided with a second step surface (17), the second step surface (17) and the third limiting surface (151) form the second limiting groove (15), and a second step bulge (26) which is complementary with the second step surface (17) is arranged on the side wall of the first step bulge (25).

7. The five-star foot connection structure according to claim 1, wherein: the first limiting groove (14) is a V-shaped groove with an upward opening and inclined towards one side of the supporting leg (2).