Detachable office chair moving assembly

Abstract

The utility model relates to the technical field of office chair components, in particular to a detachable office chair moving component. Comprising supporting frame bodies fixed to the two sides of the bottom of a seat, each supporting frame body is of an inverted-T-shaped frame body structure, a cavity is formed in each supporting frame body, a supporting rod is slidably connected into each cavity, a plurality of sliding wheels are fixedly arranged at the bottom end of each supporting rod, and rotating rods are arranged on the two sides of each supporting frame body in a penetrating mode correspondingly; one end of the rotating rod is rotationally connected with the inner wall of the cavity of the bracket frame body through a rotating shaft, a gear is fixedly arranged on the rotating rod, a limiting rack is meshed below the gear, an inserting column is fixedly arranged at one end of the limiting rack, and the limiting rack is in sliding connection with the inner walls of the two sides of the cavity. The utility model aims to solve the technical problems that the sliding limiting teeth of the existing office chair caster depend on a buckle structure, the limiting effect is easily reduced due to abrasion, the wheel contact cannot be thoroughly eliminated, and slight displacement is still possibly generated.

Description

TECHNICAL FIELD

[0001] The utility model relates to office chair component technical field especially relates to a detachable office chair moving assembly. BACKGROUND

[0002] Office chair is a kind of seat specially designed for office environment, aims at providing comfort and support to improve work efficiency. With the development of modern office mode, office chair evolves from traditional wooden seat to adjustable chair in line with ergonomics. Current office chair usually adopts metal, plastic and high-density sponge and other materials, has backrest adjustment, seat lifting, rotating and pulley moving functions, is applicable to long time work use.

[0003] The caster structure of existing office chair is usually equipped with sliding limiting teeth to limit the movement of chair in certain conditions, ensure that the user remains stable in fixed position. However, limiting teeth usually rely on buckle structure, limiting movement caster, and the limiting effect is reduced due to mechanical wear after long time use. Secondly, limiting teeth can only partially limit sliding, cannot completely eliminate wheel contact, and still may produce slight displacement. SUMMARY

[0004] The technical problem to be solved by the utility model is that the sliding limiting teeth of the caster of existing office chair rely on buckle structure, are prone to limiting effect reduction due to wear, and cannot completely eliminate wheel contact, and still may produce slight displacement.

[0005] In order to solve the above technical problem, the technical scheme adopted by the utility model is as follows: a detachable office chair moving assembly, including the support frame body fixed on both sides of seat bottom, the support frame body is set as inverted T-shaped frame structure, and cavity is arranged in the inside, the support rod is slidably connected in the cavity, and a plurality of sliding wheels are fixedly arranged at the bottom end of support rod, rotating rod is arranged on both sides of support frame body, one end of rotating rod is rotatably connected with the inner wall of cavity of support frame body through rotating shaft, gear is fixedly arranged on rotating rod, and limiting rack is engaged below gear, one end of limiting rack is fixedly arranged with inserting column, and limiting rack is slidably connected with the inner wall of cavity on both sides.

[0006] As a further improvement of the utility model, horizontal sliding groove is arranged on the inner wall of cavity on both sides, and horizontal sliding groove is located at the bottom side of support frame body, and sliding block matched with horizontal sliding groove is fixedly connected on both sides of limiting rack.

[0007] As a further improvement of the utility model, two inserting strips are fixedly arranged at the top end of support rod, two inserting strips are vertically arranged on both sides of support rod respectively, and a plurality of insertion holes matched with inserting column are arranged on inserting strip.

[0008] As a further improvement of the utility model, the supporting frame body is fixedly provided with a rectangular anti-skid rubber strip, and the anti-skid rubber strip is located at the bottom side frame of the supporting frame body.

[0009] As a further improvement of the utility model, a vertical sliding groove is formed in one side of the supporting frame body, and a vertical sliding block matched with the vertical sliding groove is fixedly arranged on one side of the supporting rod.

[0010] As a further improvement of the utility model, a handle is fixedly connected to the side of the supporting rod away from the vertical sliding block, and the supporting frame body is provided with a slot through which the handle passes.

[0011] The utility model discloses the beneficial effects: the utility model discloses the supporting frame body and the supporting rod are set up, and the supporting rod bottom end fixedly connected with a plurality of trundle, can pass through the rotating lever located in the both sides of supporting frame body, make it drive gear rotation, adjust the position of limit rack, remove the limiting effect of supporting rod, adjust the position of supporting rod in the inside of supporting frame body. The design of wheel that can be stored makes the wheel when not using can be completely collected, and the bottom of supporting frame body passes through with the anti-skid rubber strip ground direct contact, thereby thoroughly avoids the displacement that the trundle contacted ground produced, improves the stability of chair. In addition, the structure does not need the trundle and is provided with additional limit tooth or buckle device, reduces the wear and maintenance demand of mechanical parts, improves the service life and reliability of office chair. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole schematic view of a detachable office chair moving assembly of the utility model,

[0013] Figure 2 It is the partial section enlarged view of a detachable office chair moving assembly of the utility model, Figure 1 ;

[0014] Figure 3 It is the partial section enlarged view of a detachable office chair moving assembly of the utility model, Figure 2 ;

[0015] Figure 4 It is the partial component view of a detachable office chair moving assembly of the utility model.

[0016] As shown in the drawings: 1, supporting frame body, 2, supporting rod, 3, rotating lever, 4, limit rack, 5, plug-in column, 6, sliding block, 7, plug-in strip, 8, anti-skid rubber strip, 9, vertical sliding block, 10, handle. DETAILED DESCRIPTION

[0017] The orientation terms mentioned or possibly mentioned in the present specification, such as up, down, left, right, front, back, front side, back side, top, bottom, etc., are defined relative to the configuration thereof, and are relative concepts. Therefore, it is possible to change accordingly according to different positions thereof, different use states, and therefore, these or other orientation terms should not be interpreted as restrictive terms.

[0018] The singular forms "a", "said", and "the" used in the present specification are intended to include plural forms, unless the context clearly indicates otherwise. It should also be understood that the term "and / or" used herein means and includes any or all possible combinations of one or more associated listed items.

[0019] In order to make the technical problems, technical solutions and beneficial effects to be solved in the present application more clear and explicit, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the embodiments described herein are only used to explain the present application and not used to limit the present application.

[0020] The utility model provides a kind of detachable office chair moving assembly, including the support frame 1 of being fixed in the both sides of seat bottom;

[0021] As shown in the accompanying Figures 1-4 The support frame 1 is provided as an inverted T-shaped frame structure, and the support frame 1 is fixedly provided with a rectangular anti-slip rubber strip 8, which is located at the bottom side frame of the support frame 1. A stable ground connection is provided. A cavity is formed in the inside of the support frame 1, and a support rod 2 is slidably connected in the cavity. The top end of the support rod 2 is fixedly connected to the bottom side of the seat through an extension rod, which is composed of a plurality of mutually sleeved rod bodies. A vertical sliding groove is formed on one side of the support frame 1, and a vertical sliding block 9 is fixedly provided on one side of the support rod 2 and matched with the vertical sliding groove. The vertical sliding groove and the vertical sliding block 9 are provided to guide the sliding of the support frame 1 up and down. A handle 10 is fixedly connected to the side of the support rod 2 away from the vertical sliding block 9, and the support frame is provided with a slot through which the handle 10 passes. This facilitates the up and down movement of the support rod 2 in the support frame 1. A plurality of sliding wheels are fixedly provided at the bottom end of the support rod 2, and a rotating rod 3 is provided at each side of the support frame 1. A circular rotating block made of rubber is fixedly provided at one end of the rotating rod 3, and the other end of the rotating rod 3 is rotatably connected to the inner wall of the cavity of the support frame 1 through a rotating shaft. A gear is fixedly provided on the rotating rod 3, and a limit rack 4 is engaged below the gear.

[0022] As shown in the accompanying Figures 2-4As shown, the limiting rack 4 is in sliding connection with the inner walls on both sides of the cavity. The limiting rack 4 is fixedly connected with sliding blocks 6 on both sides, and the inner walls on both sides of the cavity are provided with horizontal sliding grooves transversely matched with the sliding blocks 6, and the horizontal sliding grooves are located at the bottom side of the supporting frame body 1, facilitating the horizontal movement and guidance of the limiting rack 4. The limiting rack 4 is fixedly provided with a plug-in column 5 at one end, and the plug-in column 5 is used for clamping the supporting rods 2 inside the supporting frame body 1. The supporting rods 2 are fixedly provided with two plug-in strips 7 at the top ends, and the two plug-in strips 7 are vertically arranged on both sides of the supporting rods 2, and the plug-in strips 7 are provided with a plurality of plug holes matched with the plug-in column 5. The plug-in column 5 and the plug hole are provided to provide stable limiting effect for the supporting rods 2.

[0023] Working principle: in the specific implementation of the utility model, the user rotates the circular knob at one end of the rotating rod 3 in sequence, (the circular knob at the left side of the supporting frame body 1 rotates clockwise, and the circular knob at the right side rotates counterclockwise), makes the circular knob drive the gear on the rotating rod 3 to rotate, makes the limiting rack 4 meshed with it displace to both sides of the supporting frame body 1, and the plug-in column 5 at one end of the limiting rack 4 moves out of the plug-in strip 7, and the limiting effect on the supporting rod 2 is removed. Pulling the handle 10 upwards, the supporting rod 2 in the supporting frame body 1 moves upwards, and after ensuring that the supporting rod 2 is stored in the supporting frame body 1, the anti-slip rubber strip 8 at the bottom end of the supporting frame body 1 is removed from the ground, and the supporting effect of the seat is provided.

[0024] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. The modification or replacement does not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A detachable office chair moving assembly, comprising a supporting frame (1) fixed on both sides of the bottom of the seat, characterized in that: The supporting frame body (1) is arranged as an inverted T-shaped frame structure, and a cavity is formed in the inside, a supporting rod (2) is slidably connected in the cavity, and a plurality of sliding wheels are fixedly arranged at the bottom end of the supporting rod (2); rotating rods (3) are respectively arranged at the two sides of the supporting frame body (1), one end of each rotating rod (3) is rotatably connected to the inner wall of the cavity of the supporting frame body (1) through a rotating shaft, and a gear is fixedly arranged on each rotating rod (3); a limiting rack (4) is engaged below the gear, one end of the limiting rack (4) is fixedly provided with a plug-in column (5), and the limiting rack (4) is slidably connected to the inner walls on both sides of the cavity.

2. The mobile assembly of claim 1, wherein: Horizontal sliding grooves are formed in the inner walls on both sides of the cavity, and the horizontal sliding grooves are located at the bottom side of the supporting frame body (1); sliding blocks (6) matched with the horizontal sliding grooves are fixedly connected to the limiting rack (4) on both sides.

3. The mobile assembly of claim 1, wherein: Two plug-in strips (7) are fixedly arranged at the top end of the supporting rod (2), and the two plug-in strips (7) are arranged vertically on both sides of the supporting rod (2); a plurality of plug holes matched with the plug-in column (5) are formed in the plug-in strips (7).

4. The mobile assembly of claim 1, wherein: A rectangular anti-skid rubber strip (8) is fixedly arranged on the supporting frame body (1), and the anti-skid rubber strip (8) is located at the bottom side frame of the supporting frame body (1).

5. The mobile assembly of claim 1, wherein: A vertical sliding groove is formed in one side of the supporting frame body (1), and a vertical sliding block (9) matched with the vertical sliding groove is fixedly arranged on one side of the supporting rod (2).

6. A mobile assembly for an office chair according to claim 5, wherein: A handle (10) is fixedly connected to the side of the supporting rod (2) away from the vertical sliding block (9), and a slot is formed in the supporting frame body for the handle (10) to pass through.

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