Connecting structure of chair seat and chair underframe

Abstract

The utility model discloses a connecting structure of a chair seat and a chair underframe, relates to the technical field of connecting structures, and aims to solve the problems of frequent repair and maintenance and poor experience effect due to shaking between the chair seat and the chair underframe caused by loosening of bolts in the prior art. The top of the supporting assembly is connected with a seat assembly, and the supporting assembly comprises a chassis, a supporting rod fixed to the top of the chassis, a mounting disc fixed to the top of the supporting rod and fixing blocks fixed to the annular outer wall of the mounting disc at equal intervals. According to the utility model, the positioning block is inserted into the fixing block along the slot, so that the supporting assembly and the chair seat assembly are spliced, then the fixing rod is inserted into the positioning block and the fixing block, the fixing block and the positioning block which are inserted together are connected and fixed, and then the fixing rod is rotated downwards, so that the clamping block is inserted into the limiting block below, and the clamping block and the limiting block below are fixed. And the fixing rod can be prevented from being separated from the fixing block.

Description

TECHNICAL FIELD

[0001] The utility model relates to connecting structure technical field especially relates to a connecting structure of chair seat and chair chassis. BACKGROUND

[0002] Chair as a life tool of home life, office environment is indispensable, not only the home life uses chair to have more and more high comfort requirement, even the office environment also has obvious promotion requirement to the comfort and operability of chair under the premise of work efficiency.

[0003] At present, the connecting mode between chair seat and chair chassis is mostly connected and fixed through bolt, in the use process, the chair seat and the chair chassis will shake due to the loosening of the bolt, and often need frequent repair and maintenance, and the experience effect is poor. UTILITY MODEL CONTENTS

[0004] In view of the deficiency of prior art, the utility model provides a connecting structure of chair seat and chair chassis, overcomes the deficiency of prior art, effectively solves the problem that the chair seat and the chair chassis will shake due to the loosening of the bolt in prior art, and often need frequent repair and maintenance, and the experience effect is poor.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A connecting structure of chair seat and chair chassis, including support assembly, the top of support assembly is connected with chair seat assembly, the support assembly includes bottom disc, support rod fixed on the top of bottom disc, mounting disc fixed on the top of support rod, fixed block fixed on the annular outer wall of mounting disc, fixed rod inserted into one end of fixed block, the chair seat assembly includes seat plate, cushion connected to the top of seat plate, positioning block fixed on the bottom of seat plate along the annular.

[0007] By inserting the positioning block into the fixed block along the slot, the support assembly and the chair seat assembly are spliced, then the fixed rod is inserted into the positioning block and the fixed block, the fixed block and the positioning block are connected and fixed, then the fixed rod is rotated downward, the clamping block is inserted into the lower limiting block, and the fixed rod can be prevented from being separated from the fixed block.

[0008] Preferably, the annular outer wall of the bottom disc is fixed with equidistantly distributed support legs, and the bottom of the support leg is provided with a universal wheel.

[0009] The support legs and universal wheels are arranged to support and move the overall structure.

[0010] Preferably, a through hole is formed in one end of the outer wall of the fixed block, and the through hole and the fixed rod form an insertion fit.

[0011] The fixed rod is inserted into the fixed block through the through hole, thereby connecting and installing the chair seat assembly above.

[0012] Preferably, one end of the outer wall of the fixed block is fixed with a limiting block at the bottom, and one end of the fixed rod is fixed with a clamping block.

[0013] When the fixed rod is inserted into the fixed block, the clamping block is inserted into the limiting block by rotating the fixed rod, thereby preventing the fixed rod from being separated from the fixed block.

[0014] Preferably, a slot is formed in the top of the fixed block, and the slot is inserted into the limiting block.

[0015] The supporting assembly and the chair seat assembly are spliced by inserting the limiting block into the fixed block along the slot.

[0016] Preferably, a hole is formed in the side wall of the limiting block, and the clamping block is inserted into the fixed rod.

[0017] The spliced supporting assembly and chair seat assembly are connected and fixed by inserting the fixed rod into the limiting block and the fixed block.

[0018] The beneficial effects of the present application are as follows:

[0019] The supporting assembly and the chair seat assembly are spliced by inserting the limiting block into the fixed block along the slot, and then the fixed rod is inserted into the limiting block and the fixed block, thereby connecting and fixing the fixed block and the limiting block, and then the clamping block is inserted into the limiting block by rotating the fixed rod downward, thereby preventing the fixed rod from being separated from the fixed block, and avoiding the need for frequent repair and maintenance, effectively solving the problem that the chair seat and the chair frame are shaken due to the loosening of the bolts in the prior art, and often requiring frequent repair and maintenance, resulting in poor experience. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 The present application provides a chair seat and a chair frame connection structure.

[0021] Fig. 2 The present application provides a chair seat and a chair frame connection structure.

[0022] Fig. 3 The present application provides a chair seat and a chair frame connection structure.

[0023] In the figure: 1, support assembly; 2, seat assembly; 3, bottom disc; 4, support leg; 5, universal wheel; 6, support rod; 7, mounting disc; 8, fixed block; 9, limiting block; 10, fixed rod; 11, clamping block; 12, seat plate; 13, seat cushion; 14, positioning block. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] EMBODIMENT

[0026] Referring to Figs. 1-3 A connecting structure of a seat and a chair frame, comprising a support assembly 1, the top of the support assembly 1 is connected with a seat assembly 2, the support assembly 1 comprises a bottom disc 3, a support rod 6 fixed to the top of the bottom disc 3, a mounting disc 7 fixed to the top of the support rod 6, a fixed block 8 fixed to the annular outer wall of the mounting disc 7 at equal distances, and a fixed rod 10 inserted into one end of the fixed block 8, the seat assembly 2 comprises a seat plate 12, a seat cushion 13 connected to the top of the seat plate 12, and positioning blocks 14 fixed to the bottom of the seat plate 12 at equal distances along a ring shape.

[0027] The annular outer wall of the bottom disc 3 is fixed with support legs 4 distributed at equal distances, and universal wheels 5 are installed at the bottom of the support legs 4, the support legs 4 and the universal wheels 5 are arranged to support and move the overall structure, a through hole is formed in the outer wall of one end of the fixed block 8, the through hole and the fixed rod 10 form an insertion fit, the fixed rod 10 is inserted into the fixed block 8 through the through hole, thereby enabling the seat assembly 2 above to be connected and installed;

[0028] A limiting block 9 is fixed to the bottom of the outer wall of one end of the fixed block 8, a clamping block 11 is fixed to one end of the fixed rod 10, the clamping block 11 and the limiting block 9 form an insertion fit, when the fixed rod 10 is inserted into the fixed block 8, the fixed rod 10 is rotated to make the clamping block 11 and the limiting block 9 form an insertion fit, thereby preventing the fixed rod 10 from being separated from the fixed block 8, a slot is formed in the top of the fixed block 8, the slot and the positioning block 14 form an insertion fit, the positioning block 14 is inserted into the fixed block 8 along the slot, thereby enabling the support assembly 1 and the seat assembly 2 to be spliced, a insertion hole is formed in the outer wall of one side of the positioning block 14, the insertion hole and the fixed rod 10 form a rubbing fit, when the fixed rod 10 is inserted into the positioning block 14 and the fixed block 8, the spliced support assembly 1 and seat assembly 2 are connected and fixed.

[0029] WORKING PRINCIPLE

[0030] In operation, the support assembly 1 is assembled with the seat assembly 2 by inserting the positioning block 14 into the fixing block 8 along the slot, then the fixed rod 10 is inserted into the positioning block 14 and the fixing block 8, the assembled fixing block 8 and the positioning block 14 are fixed, the fixed rod 10 is prevented from being separated from the fixing block 8 by rotating the fixed rod 10 downwardly so that the clamping block 11 is inserted into the limiting block 9 below.

[0031] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent substitutions or changes according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.

Claims

1. A connection structure between a chair seat and a chair frame, comprising a support assembly (1), characterized in that, The top of the support assembly (1) is connected to the seat assembly (2). The support assembly (1) includes a chassis (3), a support rod (6) fixed to the top of the chassis (3), a mounting plate (7) fixed to the top of the support rod (6), a fixing block (8) fixed at equal distances to the annular outer wall of the mounting plate (7), and a fixing rod (10) inserted into one end of the fixing block (8). The seat assembly (2) includes a seat (12), a seat cushion (13) connected to the top of the seat (12), and a positioning block (14) fixed at equal distances along the annular ring to the bottom of the seat (12).

2. The connection structure between the chair seat and the chair frame according to claim 1, characterized in that, The chassis (3) has equidistantly distributed support legs (4) fixed on its annular outer wall, and universal wheels (5) are installed at the bottom of the support legs (4).

3. The connection structure between the chair seat and the chair base according to claim 1, characterized in that, One end of the fixing block (8) has a through hole on its outer wall, and the through hole and the fixing rod (10) are connected in a plug-in fit.

4. The connection structure between the chair seat and the chair base according to claim 1, characterized in that, A limiting block (9) is fixed to the bottom of the outer wall of one end of the fixing block (8), and a locking block (11) is fixed to one end of the fixing rod (10). The locking block (11) and the limiting block (9) form an insertion fit.

5. The connection structure between the chair seat and the chair base according to claim 1, characterized in that, The top of the fixing block (8) has a slot, and the slot is engaged with the positioning block (14).

6. The connection structure between the chair seat and the chair base according to claim 1, characterized in that, The positioning block (14) has an insertion hole on one side of its outer wall, and the insertion block and the fixing rod (10) form a friction fit.

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