CN216822432U

CN216822432U - Combined chair leg

Info

Publication number: CN216822432U
Application number: CN202220224439.2U
Authority: CN
Inventors: 邓建波
Original assignee: Shenzhen Microtouch Ergonomic Technology Co ltd
Current assignee: Shenzhen Microtouch Ergonomic Technology Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-06-28
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a combined chair leg, which relates to the technical field of chairs and comprises a chair leg main body and a chair leg rod, wherein the side surface of the chair leg rod, which is close to one side of the chair leg main body, is provided with a connecting rod, the side surface of a chair leg arm seat of the chair leg main body is provided with a connecting hole for accommodating the connecting rod, the bottom end of the chair leg arm seat of the chair leg main body is provided with a hollow section, the connecting rod penetrates through the end part of the connecting hole and is arranged in the hollow section, two groups of limit pins are arranged in the connecting rod, the limit pins are connected with the connecting rod in a sliding way and slide along the vertical direction, when the connecting rod extends into the hollowed-out section of the chair leg main body, the limiting pin in the connecting rod extends outwards, the utility model provides a combined chair leg, the limiting position is carried out between the chair leg main body and the chair leg rod through the telescopic limiting pin, the split type support has the advantages that the size of the whole support is reduced by splitting the support into single parts, the transportation is convenient, the structure is simple, the assembly is convenient and fast, and the connection stability of the strength support and the support is ensured.

Description

Combined chair leg

Technical Field

The utility model belongs to the technical field of the seat, concretely relates to combined seat chair foot.

Background

Most of the five-star legs of the chairs on the market at present are formed by five chair leg rods which are uniformly distributed and integrally formed in a horizontal angle mode, the five-star chair legs are characterized in that the integral forming stress is strong enough, and the test requirements of load bearing such as BIFMA are easily met, but the integral five-star legs have the problem that the occupied size is too large, the transportation is inconvenient, and the transportation cost is higher.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a combined chair leg, which solves the above problems of the prior art.

The purpose of the utility model can be realized by the following technical scheme: a combined chair leg comprises a chair leg main body and chair leg rods, wherein the chair leg main body is detachably connected with the chair leg rods, the chair leg main body comprises at least four integrally formed chair leg arm seats, connecting rods are arranged on the side surfaces, close to one sides of the chair leg main bodies, of the chair leg rods, connecting holes for accommodating the connecting rods are formed in one sides, close to the chair leg rods, of the chair leg arm seats of the chair leg main body, hollowed sections are arranged at the bottom ends of the chair leg arm seats of the chair leg main body, the connecting rods penetrate through the end portions of the connecting holes and are arranged in the hollowed sections, two groups of limiting pins are arranged in the connecting rods, the limiting pins are connected with the connecting rods in a sliding mode and slide along the vertical direction, when the connecting rods extend into the hollowed sections of the chair leg main body, the limiting pins in the connecting rods extend outwards, and anti-falling mechanisms are arranged on the limiting pins to prevent the limiting pins from being separated from the connecting rods; the chair leg comprises a chair leg main body, a chair leg arm seat and a chair leg rod, wherein the chair leg rod is provided with at least two groups of positioning columns at the end surface close to one side of the chair leg main body, and the chair leg arm seat of the chair leg main body is provided with positioning holes capable of correspondingly accommodating the positioning columns at the side close to the chair leg rod.

As a further scheme of the utility model, spacer pin one end radially is equipped with the arch, the connecting rod terminal surface is seted up flutedly, the connecting rod side has been seted up along the vertical direction and has been held spacer pin and bellied pinhole, pinhole through connection pole and recess intercommunication.

As a further scheme of the utility model, be equipped with the fourth spring in the middle of the spacer pin, the fourth spring both ends cup joint with the round platform that both sides spacer pin terminal surface set up respectively.

As a further proposal of the utility model, a first spring is sleeved on the connecting rod and is arranged between the chair leg main body and the chair leg rod.

As a further scheme of the utility model, it is two sets of be equipped with the tapered wedge in the middle of the spacer pin, the tapered wedge is isosceles trapezoid shape, tapered wedge two inclined plane ends are equipped with the oblique T type groove sliding fit that T type piece and spacer pin were seted up, and the spacer pin both sides are stretched out when the tapered wedge is close to chair foot pole one side motion.

As a further scheme of the utility model, the tapered wedge is close to chair foot pole one end and is equipped with the second spring, second spring one end and connecting rod fixed connection, the tapered wedge is kept away from chair foot pole one end and is equipped with the third spring.

As a further proposal, the limiting pin is kept away from one side end face of the oblique T-shaped groove and is provided with a cross groove.

As a further proposal of the utility model, the chair leg main body is made of nylon and glass fiber or aluminum alloy.

As a further aspect of the present invention, the connecting rod is made of a metal material.

As a further proposal of the utility model, the connecting rod and the chair foot rod are integrally formed by injection molding.

The utility model has the advantages that: the utility model provides a combination type seat foot carries on spacingly through the telescopic spacer pin between chair foot body and the chair foot pole, has reduced holistic volume through split one-tenth part, the transportation of being convenient for, and simple structure, and equipment convenient and fast has guaranteed the stability of the connection of intensity support and support simultaneously.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view at A of FIG. 2;

fig. 4 is a cross-sectional view of another embodiment of the present invention;

FIG. 5 is an enlarged schematic view at B of FIG. 4;

fig. 6 is a schematic structural view of a limiting assembly according to another embodiment of the present invention;

fig. 7 is a schematic structural view of the limit pin of the present invention;

in the figure: the chair leg comprises a chair leg main body-1, a chair leg rod-2, a limiting pin-3, a first spring-4, an inclined wedge-5, a second spring-6, a third spring-7, a fourth spring-8, a connecting hole-101, a positioning hole-102, a connecting rod-21, a positioning column-22, a protrusion-31, a circular truncated cone-32, a pin hole-201, a groove-202, an inclined T-shaped groove-301 and a cross groove-302.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 7, in the embodiment of the present invention, a combined chair leg comprises a chair leg main body 1 and a chair leg rod 2, wherein the chair leg main body 1 is made of nylon and glass fiber or aluminum alloy, the connecting rod 21 is made of metal material, the connecting rod 21 and the chair leg rod 2 are integrally injection-molded or fixedly connected by welding, the chair leg main body 1 and the chair leg rod 2 are detachably connected, the chair leg main body 1 comprises at least four integrally-molded chair leg arm seats, the side surface of the chair leg rod 2 close to one side of the chair leg main body 1 is provided with the connecting rod 21, one side of the chair leg arm seat of the chair leg main body 1 close to the chair leg rod 2 is provided with a connecting hole 101 for accommodating the connecting rod 21, the bottom end of the chair leg arm seat of the chair leg main body 1 is provided with a hollow section, the connecting rod 21 penetrates through the end of the connecting hole 101 and is arranged in the hollow section, two sets of limit pins 3 are arranged in the connecting rod 21, the limit pins 3 are slidably connected with the connecting rod 21 and slide along the vertical direction, when the connecting rod 21 extends into the hollowed section of the chair leg main body 1, the limiting pin 3 in the connecting rod 21 extends outwards, and the limiting pin 3 is provided with an anti-falling mechanism to prevent the limiting pin 3 from being separated from the connecting rod 21; the end surface of one side of the chair leg rod 2 close to the chair leg main body 1 is at least provided with two groups of positioning columns 22, one side of the chair leg arm seat of the chair leg main body 1 close to the chair leg rod 2 is provided with a positioning hole 102 which can correspondingly accommodate the positioning column 22, the connecting rod 21 is preferably cylindrical, in order to prevent the rotation between the chair leg rod 2 and the chair leg main body 1, the freedom degree of limiting and limiting the rotation is further carried out through the matching of the positioning column 22 and the positioning hole 102, thereby improving the stability of the connection between the chair leg rod 2 and the chair leg main body 1, during the installation, the connecting rod 21 is inserted into the connecting hole 101, when the limiting pin 3 on the connecting rod 21 extends into the hollow section of the chair leg main body 1, the two groups of limiting pins 3 extend out from the connecting rod 21, thereby limiting and fixing the chair leg rod 2, effectively preventing the chair leg rod 2 from being separated from the chair leg main body 1, the assembly is convenient and rapid, the structure is simple, and the processing and the manufacturing are convenient, the production cost is reduced.

Specifically, as shown in fig. 1 and 7, a protrusion 31 is radially disposed at one end of the limit pin 3, a groove 202 is disposed on an end surface of the connecting rod 21, a pin hole 201 capable of accommodating the limit pin 3 and the protrusion 31 is disposed on a side surface of the connecting rod 21 along a vertical direction, the pin hole 201 penetrates through the connecting rod 21 and is communicated with the groove 202, the protrusion 31 is aligned with a notch position on the pin hole 201 when the limit pin 3 is installed, and when the protrusion 31 completely extends into the groove 202, the limit pin 3 is rotated to stagger the positions of the protrusion 31 and the pin hole 201, so that the limit pin 3 is effectively prevented from being disengaged from the connecting rod 21.

Optionally, as shown in fig. 2 and 3, a fourth spring 8 is disposed in the middle of the stop pin 3, two ends of the fourth spring 8 are respectively sleeved with the round platforms 32 disposed on the end surfaces of the stop pins 3 on two sides, the fourth spring 8 enables the chair leg body 1 to extend out of the connecting rod 21, so that the stop pin 3 can be effectively prevented from rotating reversely and falling off from the pin hole 201, meanwhile, the stop pin 3 is squeezed into the connecting rod 21 during installation, at the time, the fourth spring 8 is in a compressed state, when the end of the connecting rod 21 is inserted into the hollowed-out section of the chair leg rod 2, the stop pin 3 is popped out under the elastic force of the fourth spring 8, so as to perform a limiting function, during disassembly, the lower stop pin 3 is taken out from the pin hole 201 by rotating the stop pin 3, the upper stop pin 3 loses the elastic force of the fourth spring 8, and can fall under gravity while being taken out by a tool while ignoring the elastic force of the first spring 4, as shown in fig. 7, in order to facilitate the removal of the stop pin 3, a cross groove 302 or a threaded hole is formed in the end surface of the stop pin 3 on the side away from the inclined T-shaped groove 301, so that the stop pin can be easily and quickly removed by a screwdriver or a screw tool.

Optionally, as shown in fig. 1, the connecting rod 21 is sleeved with a first spring 4, the first spring 4 is between the leg body 1 and the leg rod 2, and when the leg rod 2 and the leg body 1 are installed in place, the first spring 4 is in a compressed state, so as to maintain an acting force on the leg rod 2 away from one side of the leg body 1, thereby improving the connection stability of the leg rod 2 and the leg body 1, and enabling the portion of the limit pin 3 extending out of the connecting rod 21 to be tightly attached to the leg body 1.

In another embodiment, as shown in fig. 4 to 6, an inclined wedge 5 is provided between two sets of the limit pins 3, the inclined wedge 5 is in the shape of an isosceles trapezoid, two inclined ends of the inclined wedge 5 are provided with T-shaped blocks which are slidably engaged with inclined T-shaped grooves 301 formed in the limit pins 3, two sides of the limit pins 3 extend out when the inclined wedge 5 moves close to one side of the leg lever 2, one end of the inclined wedge 5 close to the leg lever 2 is provided with a second spring 6, one end of the second spring 6 is fixedly connected with a connecting rod 21, one end of the inclined wedge 5 away from the leg lever 2 is provided with a third spring 7, after the connecting rod 21 is inserted into the connecting hole 101, the left end of the third spring 7 is compressed by the leg body 1, the third spring 7 is in a compression state during insertion, so as to apply a rightward acting force to the inclined wedge 5, the elastic force of the second spring 6 is smaller than that of the third spring 7, although the second spring 6 is also in a compression state, but oblique voussoir 5's resultant force direction is close to chair foot pole 2 one side, consequently, laminate completely with chair foot main part 1 when chair foot pole 2, connecting rod 21 inserts when drawing the vacant section promptly, the restriction is lost to spacer pin 3 tip, oblique voussoir 5 moves to the right side this moment, and then release spacer pin 3 from connecting rod 21 through the slide wedge mechanism, thereby play spacing effect, stable in structure is reliable, during the dismantlement, need pull out third spring 7, oblique voussoir 5 receives the elasticity of second spring 6 to doing the motion this moment, drive spacer pin 3 withdrawal connecting rod 21 in, further take chair foot pole 2 out can, it is also very convenient to dismantle.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the method is simple. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention. Therefore, the present invention should be considered as illustrative and not restrictive in any sense, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and the preferred embodiments of the present invention are not intended to be limiting of the invention, and all changes, equivalents, modifications, etc. that come within the spirit and scope of the invention are intended to be embraced therein.

Claims

1. The utility model provides a combined seat chair foot, includes chair foot main part and chair foot pole, and chair foot main part and chair foot pole can dismantle the connection, its characterized in that: the chair leg main body comprises at least four chair leg arm seats which are integrally formed, a connecting rod (21) is arranged on the side surface of one side of the chair leg rod close to the chair leg main body (1), one side of the chair leg arm seat of the chair leg main body (1) close to the chair leg rod (2) is provided with a connecting hole (101) for accommodating the connecting rod (21), the bottom end of the chair leg arm seat of the chair leg main body (1) is provided with a hollow section, the connecting rod (21) penetrates through the end part of the connecting hole (101) and is arranged in the hollow section, two groups of limiting pins (3) are arranged in the connecting rod (21), the limiting pins (3) are connected with the connecting rod (21) in a sliding way and slide along the vertical direction, when the connecting rod (21) extends into the hollow section of the chair leg main body (1), the limiting pin (3) in the connecting rod (21) extends outwards, the limiting pin (3) is provided with an anti-falling mechanism to prevent the limiting pin (3) from being separated from the connecting rod (21); the chair leg comprises a chair leg main body (1), a chair leg arm seat and a chair leg rod (2), wherein the chair leg rod (2) is provided with at least two groups of positioning columns (22) at one end surface close to the chair leg main body (1), and one side, close to the chair leg rod (2), of the chair leg arm seat of the chair leg main body (1) is provided with a positioning hole (102) capable of correspondingly accommodating the positioning columns (22).

2. The combined chair leg for the seat as claimed in claim 1, wherein one end of the limit pin (3) is provided with a protrusion (31) in a radial direction, the end surface of the connecting rod (21) is provided with a groove (202), the side surface of the connecting rod (21) is provided with a pin hole (201) in a vertical direction for accommodating the limit pin (3) and the protrusion (31), and the pin hole (201) penetrates through the connecting rod (21) and is communicated with the groove (202).

3. The combined chair leg of any one of claims 1-2, wherein a fourth spring (8) is arranged in the middle of the limit pin (3), and two ends of the fourth spring (8) are respectively sleeved with the round platforms (32) arranged on the end surfaces of the limit pins (3) at two sides.

4. The combined chair leg as claimed in claim 3, wherein the connecting rod (21) is sleeved with a first spring (4), and the first spring (4) is arranged between the chair leg main body (1) and the chair leg rod (2).

5. A combined chair leg as claimed in claim 2, characterized in that a wedge block (5) is arranged between two sets of said limit pins (3), said wedge block (5) is in the shape of an isosceles trapezoid, the two inclined ends of said wedge block (5) are provided with T-shaped blocks which are slidably engaged with the T-shaped grooves (301) formed on the limit pins (3), and both sides of the limit pins (3) are protruded when the wedge block (5) moves close to one side of the chair leg rod (2).

6. A combined chair leg as claimed in claim 5, characterized in that the end of the wedge block (5) close to the chair leg rod (2) is provided with a second spring (6), the end of the second spring (6) is fixedly connected with the connecting rod (21), and the end of the wedge block (5) far from the chair leg rod (2) is provided with a third spring (7).

7. The combined chair leg as claimed in claim 3, wherein a cross slot (302) is formed on the end surface of the limit pin (3) far away from the inclined T-shaped slot (301).

8. The combination chair foot according to claim 1, wherein the foot body (1) is made of nylon and glass fiber or aluminum alloy.

9. The combination chair foot according to claim 1, characterised in that the connecting rod (21) is made of metal material.

10. The combination chair foot according to claim 1, characterised in that the connecting rod (21) is injection moulded integrally with the foot bar (2).