Chair leg connecting piece and chair leg

By designing the chair leg connector, and utilizing structures such as connecting posts, movable cylinders, and limiting holes, the chair legs and seat can be easily installed, solving the problems of cumbersome installation and loosening in existing technologies, and improving safety.

CN224023187UActive Publication Date: 2026-03-24ZHEJIANG JIANGSHAN QIQU TECHNOLOGY DEVELOPMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing method of installing chair legs and seats is cumbersome and prone to loosening, posing a safety hazard.

Method used

The chair leg connector design includes a connecting column, a movable cylinder, a limiting column, and a limiting hole, which allows for easy disassembly and installation through movable connection and limiting fixation.

Benefits of technology

This improves the ease of chair installation and avoids safety hazards caused by loose bolts.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a chair leg connecting piece and chair leg, relates to chair technical field, including chair leg main part, connecting post and seat main part, the inner wall of two chair leg main part is both movably equipped with two group of movable cylinder, the inside of two group of connecting post is both movably equipped with two group of movable post, seat main part is equipped with the seat main part, the seat main part is equipped with the seat main part, the seat main part is equipped with the seat main part. Two groups of limiting columns are movably mounted in each of the two groups of chair leg main bodies, and a plurality of groups of limiting holes are formed in the outer wall of the chair main body. Through the arrangement of the connecting columns, the movable columns, the chair leg main bodies, the movable cylinders, the limiting columns and the limiting holes, the multiple sets of movable columns move into the multiple sets of movable cylinders respectively, so that the multiple sets of limiting columns are driven to move, and one ends of the multiple sets of limiting columns enter the multiple sets of limiting holes respectively; one ends of the two groups of connecting columns are respectively connected with one sides of the two groups of chair leg main bodies, the plurality of groups of limiting columns are used for limiting and fixing the chair main body, the chair main body is respectively and fixedly connected with the two groups of chair leg main bodies and the two groups of connecting columns, and the convenience of chair installation is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to chair technical field, concretely is a chair leg connecting piece and chair leg. BACKGROUND

[0002] Chair is a kind of furniture for sitting, usually by seat, backrest and support leg, the design of chair can be different according to function, comfort and aesthetics, common chair types include office chair, dining chair, leisure chair, rocking chair etc.On material, chair usually uses wood, metal, plastic, cloth or leather etc.Material is suitable for different places and needs.

[0003] Chair leg is an important component of chair support part, usually located at the bottom of chair, to support the weight of entire chair, the design and material of chair leg directly influence the stability, durability and appearance of chair, chair leg can use wood, metal, plastic etc.Material selection will affect the comfort and applicable scenario of chair.

[0004] In prior art, for the convenience of transportation of chair, seat and chair leg are mostly packed separately, user assembles seat and chair leg after transporting chair to use area, fixes chair leg and seat by multiple bolts, and installation mode is relatively cumbersome, and bolt will be lost after long-term use of chair, to cause safety hazard of chair use. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a chair leg connecting piece and chair leg to solve the technical problems in the above background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a chair leg connecting piece and chair leg, including chair leg main body, connecting column and seat main body, the chair leg main body and connecting column are both two groups, and two groups of chair leg main body and two groups of connecting column are movably connected, two groups of chair leg main body and two groups of connecting column are movably connected with seat main body.

[0007] Two groups of movable barrels are movably installed in the inner wall of two groups of chair leg main body, and the one end of multiple movable barrels extends to the outer wall of two groups of chair leg main body, two groups of movable columns are movably installed in the inside of two groups of connecting columns, and the one end outer wall of multiple movable columns is movably connected with the inner wall of multiple movable barrels respectively, two groups of limiting columns are movably installed in the inside of two groups of chair leg main body, and multiple limiting columns are movably connected between multiple movable barrels respectively, multiple limiting holes are formed in the outer wall of seat main body, and the inner wall of multiple limiting holes is movably connected with the one end outer wall of multiple limiting columns respectively.

[0008] By adopting the technical scheme, the problems of convenient dismounting and mounting of the chair legs are solved, the plurality of movable columns are respectively moved into the plurality of movable barrels, thereby driving the plurality of limiting columns to displace, the one ends of the plurality of limiting columns are respectively moved into the plurality of limiting holes, thereby enabling the one ends of the two connecting columns to be connected with the one sides of the two chair leg bodies respectively, and the plurality of limiting columns are used for limiting and fixing the seat body, so that the seat body is fixedly connected with the two chair leg bodies and the two connecting columns, and the convenience of mounting of the chair is improved.

[0009] The utility model further sets up, two group connecting column inside all movably install limit axle, two group limit axle extend to two group connecting column outer wall one end all install torsion piece, and two group torsion piece outer wall all have rubber pad layer.

[0010] As preferred, the two groups of torsion blocks rotate, driving the two groups of limiting shafts to rotate.

[0011] The utility model further sets up, two group limit axle another end all install limit gear, two group connecting column inside all movably install two group toothed plate, and a plurality of toothed plates are connected with two group limit gear meshing respectively.

[0012] As preferred, the two groups of limiting shafts rotate, driving the two groups of limiting gears to rotate, thereby driving the plurality of toothed plates to displace.

[0013] The utility model further sets up, a plurality of toothed plates one end all install connecting rod, and a plurality of connecting rods one end are connected with a plurality of movable columns respectively.

[0014] As preferred, the plurality of toothed plates displace, driving the plurality of connecting rods to displace, thereby driving the plurality of movable columns to displace.

[0015] The utility model further sets up, a plurality of movable columns one end all are equipped with lug, a plurality of movable barrel inner wall all are set up with thread groove, and a plurality of lug outer wall and a plurality of thread groove inner wall movably connected.

[0016] As preferred, the one ends of the plurality of movable columns are respectively moved into the plurality of movable barrels, thereby driving the plurality of lugs to be respectively moved into the thread grooves in the inner walls of the plurality of movable barrels, so that the two movable barrels rotate.

[0017] The utility model further sets up, a plurality of chair leg bodies inside all movably install two group limit cylinder, and a plurality of limit cylinders are connected with a plurality of movable barrels between synchronous belt.

[0018] As preferred, the plurality of movable barrels rotate, driving the plurality of limit cylinders to rotate.

[0019] The utility model further sets up, a plurality of groups of limit cylinder inner wall respectively with a plurality of groups of limit column outer wall swing joint, and the connecting mode is screw connection.

[0020] As preferred, a plurality of groups of limit cylinder rotates, drives a plurality of groups of limit column to shift.

[0021] Summarized above, the utility model mainly has the following beneficial effects:

[0022] The utility model discloses a connecting column, movable column, chair leg main part, movable cylinder, limit column and limit hole are set up, solve the problem that chair leg is conveniently disassembled and installs, and a plurality of groups of movable column moves into a plurality of groups of movable cylinder inside respectively, thereby drives a plurality of groups of limit column to shift, and a plurality of groups of limit column one end respectively enters a plurality of groups of limit hole inside, makes two groups of connecting column one end respectively with two groups of chair leg main part one side be connected, and a plurality of groups of limit column simultaneously limit fixed seat chair main part, makes seat chair main part respectively with two groups of chair leg main part and two groups of connecting column fixed connection, has promoted the convenience of chair installation. DRAWINGS

[0023] Figure 1 It is chair leg main part installation schematic drawing in the utility model;

[0024] Figure 2 It is chair leg main part and connecting column installation schematic drawing in the utility model;

[0025] Figure 3 It is chair leg main part schematic drawing in the utility model;

[0026] Figure 4 It is Figure 3 A place enlarged view in;

[0027] Figure 5 It is movable cylinder and limit cylinder connection schematic drawing in the utility model;

[0028] Figure 6 It is connecting column schematic drawing in the utility model;

[0029] Figure 7 It is connecting column internal structure schematic drawing in the utility model;

[0030] Figure 8 It is Figure 7 B place enlarged view in;

[0031] Figure 9 It is seat chair main part schematic drawing in the utility model;

[0032] Figure 10 It is Figure 9 C place enlarged view in.

[0033] Mark explanation:

[0034] 1, chair leg body; 2, movable cylinder; 3, limiting cylinder; 4, limiting column; 5, connecting column; 6, limiting shaft; 7, torsion block; 8, limiting gear; 9, connecting rod; 10, toothed plate; 11, movable column; 12, protruding block; 13, seat body; 14, limiting hole. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0036] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0037] A chair leg connecting piece and a chair leg, as shown in Figure 1 - Figure 10 The chair leg connecting piece and the chair leg include a chair leg body 1, a connecting column 5 and a seat body 13. The chair leg body 1 and the connecting column 5 are both two groups, and the two groups of chair leg bodies 1 and the two groups of connecting columns 5 are movably connected. The two groups of chair leg bodies 1 and the two groups of connecting columns 5 are both movably connected with the seat body 13.

[0038] The inner walls of the two groups of chair leg bodies 1 are movably provided with two groups of movable cylinders 2, and one end of the movable cylinders 2 extends to the outer walls of the two groups of chair leg bodies 1. The interiors of the two groups of connecting columns 5 are movably provided with two groups of movable columns 11, and one end of the movable columns 11 is movably connected with the inner walls of the movable cylinders 2. The interiors of the two groups of chair leg bodies 1 are movably provided with two groups of limiting columns 4, and the limiting columns 4 are movably connected with the movable cylinders 2. The outer wall of the seat body 1 is provided with a plurality of limiting holes 14, and the inner walls of the limiting holes 14 are movably connected with one end of the limiting columns 4. One end of the limiting columns 4 enters the interiors of the limiting holes 14, so that one end of the two groups of connecting columns 5 is connected with one side of the two groups of chair leg bodies 1. Meanwhile, the limiting columns 4 limit and fix the seat body 13, so that the seat body 13 is fixedly connected with the two groups of chair leg bodies 1 and the two groups of connecting columns 5, and the convenience of installing the chair is improved.

[0039] Please refer to Figure 1 - Figure 7 The interiors of the two groups of connecting columns 5 are movably provided with limiting shafts 6. The limiting shafts 6 extend to one end of the outer walls of the two groups of connecting columns 5 and are provided with torsion blocks 7. The outer walls of the two groups of torsion blocks 7 are provided with rubber pads. The two groups of torsion blocks 7 rotate and drive the two groups of limiting shafts 6 to rotate.

[0040] Please refer to Figure 7The other ends of the two groups of limiting shafts 6 are provided with limiting gears 8, and the interiors of the two groups of connecting columns 5 are movably provided with two groups of toothed plates 10, and the groups of toothed plates 10 are movably connected with the two groups of limiting gears 8, and the two groups of limiting shafts 6 are rotated to drive the two groups of limiting gears 8 to rotate, so as to drive the groups of toothed plates 10 to move.

[0041] Please refer to Figure 7 The groups of toothed plates 8 are movably provided with connecting rods 9, and the ends of the groups of connecting rods 9 are movably connected with the groups of movable columns 11, and the groups of toothed plates 8 are moved to drive the groups of connecting rods 9 to move, so as to drive the groups of movable columns 11 to move.

[0042] Please refer to Figure 3 Figure 8 The ends of the groups of movable columns 11 are provided with protrusions 12, the inner walls of the groups of movable cylinders 12 are provided with screw grooves, and the outer walls of the groups of protrusions 12 are movably connected with the inner walls of the groups of screw grooves, the ends of the groups of movable columns 11 are movably arranged into the interiors of the groups of movable cylinders 2, so as to drive the groups of protrusions 12 to be movably arranged into the screw grooves in the inner walls of the groups of movable cylinders 2, and the two groups of movable cylinders 2 are rotated.

[0043] Please refer to Figure 3 Figure 5 The interiors of the groups of chair leg bodies 1 are movably provided with two groups of limiting cylinders 3, and the groups of limiting cylinders 3 are movably connected with the groups of movable cylinders 2 through synchronous belts, and the groups of movable cylinders 2 are rotated to drive the groups of limiting cylinders 3 to rotate.

[0044] Please refer to Figure 5 The inner walls of the groups of limiting cylinders 3 are movably connected with the outer walls of the groups of limiting columns 4 through screw connections, and the groups of limiting cylinders 3 are rotated to drive the groups of limiting columns 4 to move.

[0045] The working principle of the utility model is as follows: when the user assembles the two groups of chair leg bodies 1, the two groups of connecting columns 5 and the seat body 13, the user arranges the two groups of connecting columns 5 on the two sides of the two groups of chair leg bodies 1, so that the ends of the two groups of movable columns 11 correspond to the ends of the two groups of movable cylinders 2, and the seat body 13 is arranged on the upper end of the connecting column 5, so that the ends of the two groups of limiting columns 4 correspond to the two groups of limiting holes 14.

[0046] ​​When a set of connecting columns 5 and two sets of chair leg bodies 1 are overlapped, the user rotates a set of torsion blocks 7, drives a set of limiting shafts 6 to rotate, thereby driving a set of limiting gears 8 to rotate, the limiting gears 8 are meshed and connected with two sets of toothed plates 10, so the two sets of toothed plates 10 are displaced, thereby driving two sets of movable columns 11 to displace, one end of the two sets of movable columns 11 respectively moves into the inside of two sets of movable cylinders 2, thereby driving two sets of protruding blocks 12 to respectively enter the threaded grooves in the inner walls of the two sets of movable cylinders 2, so the two sets of movable cylinders 2 rotate, the two sets of movable cylinders 2 are respectively connected with the two sets of limiting cylinders 3 through synchronous belts, so the two sets of limiting cylinders 3 rotate, the inner walls of the two sets of limiting cylinders 3 are respectively threadedly connected with the outer walls of the two sets of limiting columns 4, so the two sets of limiting columns 4 displace, one end of the two sets of limiting columns 4 respectively enters the inner walls of two sets of limiting holes 14, a set of connecting columns 5 and two sets of chair leg bodies 1 are connected, and two sets of chair leg bodies 1 and one end of a seat body 13 are connected, then the other set of connecting columns 5 is installed according to the above steps, so that two sets of connecting columns 5 are installed and two sets of chair leg bodies 1 are fixedly connected with the seat body 13.

[0047] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the range of the claims of the utility model, it is protected by the patent law.

Claims

1. A chair leg connector, comprising two sets of movable cylinders (2), two sets of limiting cylinders (3), and multiple sets of limiting posts (4), characterized in that: The movable cylinder (2) is provided in four sets, with each set of two movable cylinders (2) forming a set and each set of chair leg bodies (1) being adapted to one set of chair leg bodies (1). One end of each of the four sets of movable cylinders (2) is used to extend to the outer wall of the chair leg body (1) and is movably connected to the movable column (11) inside the connecting column (5). The limiting cylinder (3) is provided in four sets, with a synchronous belt connecting each of the four sets of limiting cylinders (3) to the four sets of movable cylinders (2). The limiting column (4) is provided in four sets, with each of the four sets of limiting columns (4) being movably installed on the inner wall of the four sets of limiting cylinders (3) and connected by a threaded connection. One end of each of the four sets of limiting columns (4) is used to extend to the outside of the chair leg body (1) and is movably connected to the limiting hole (14) on the outer wall of the seat body (13).

2. A chair leg, using the chair leg connector as described in claim 1, comprising two sets of chair leg bodies (1), two sets of connecting posts (5), and a seat body (13), characterized in that: The two sets of chair leg bodies (1) are movably connected to the two sets of connecting columns (5), and the two sets of chair leg bodies (1) and the two sets of connecting columns (5) are movably connected to the seat body (13); the two sets of connecting columns (5) are movably installed with limiting shafts (6), and the two sets of limiting shafts (6) are extended to one end of the outer wall of the two sets of connecting columns (5) and are each equipped with a torsion block (7), and the outer wall of the two sets of torsion blocks (7) is covered with a rubber pad layer.

3. The chair leg according to claim 2, characterized in that: The other end of each of the two sets of limiting shafts (6) is equipped with a limiting gear (8), and two sets of toothed plates (10) are movably installed inside each of the two sets of connecting columns (5), and multiple sets of toothed plates (10) are respectively meshed with the two sets of limiting gears (8).

4. The chair leg according to claim 3, characterized in that: Each of the multiple sets of toothed plates (10) is equipped with a connecting rod (9) at one end, and each of the multiple sets of connecting rods (9) is connected to a multiple set of movable columns (11).

5. The chair leg according to claim 2, characterized in that: Each of the multiple sets of movable columns (11) has a protrusion (12) at one end, and each of the multiple sets of movable cylinders (2) has a threaded groove on its inner wall. The outer wall of the multiple sets of protrusions (12) is movably connected to the inner wall of the multiple sets of threaded grooves.

6. The chair leg according to claim 2, characterized in that: Each of the multiple chair leg bodies (1) has two sets of limiting cylinders (3) installed inside, and the multiple sets of limiting cylinders (3) are connected to the multiple sets of movable cylinders (2) by a synchronous belt.

7. The chair leg according to claim 6, characterized in that: The inner walls of the multiple sets of limiting cylinders (3) are movably connected to the outer walls of the multiple sets of limiting posts (4), and the connection method is threaded connection.