Office chair capable of being stressed uniformly

Abstract

The utility model discloses an office chair capable of being uniformly stressed, which relates to the field of office chairs, solves the problems that the bottom side of the existing chair body is non-uniform in pressure bearing and stress, the stability is limited, and the pressure bearing effect in each direction is limited during working, and adopts the following scheme that the office chair comprises a chair body and walking wheels on the bottom side of the chair body; a pressure-bearing frame is fixedly mounted at the bottom of the chair body, a main body of the pressure-bearing frame is a main pressure frame, the main pressure frame is composed of four groups of side frame columns which are opposite in position, the side frame columns are arched columns, and the four groups of side frame columns are diagonally and fixedly mounted on the bottom surface of the chair body; according to the office chair capable of being uniformly stressed, through the arrangement of the main pressure frame in the pressure-bearing frame, four groups of side frame columns with opposite positions can be used as pressure-bearing structures to carry out dispersed pressure-bearing on the chair body, and meanwhile, through the arrangement of each group of reinforcing columns in the auxiliary pressure frame, the V-shaped pressure-bearing structures which are formed by connecting are arranged on the bottom sides of all directions of the chair body; and therefore, the pressure bearing effect in each direction is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of office chairs, in particular to an office chair capable of evenly bearing force. Background Art

[0002] The existing office chairs have limited pressure bearing capacity when in use. Especially when they are shaken or the center of gravity shifts, some office chairs with uneven force may tilt or even be damaged.

[0003] After searching, the application with patent number CN202223259997.1 discloses a load-bearing structure of an office chair capable of evenly bearing force, including an office chair cushion, a backrest, an armrest, an overweight warning mechanism, an even load-bearing mechanism and a support mechanism, wherein the backrest is fixedly mounted at the rear end of the office chair cushion, the armrest is fixedly mounted at the upper end of the office chair cushion, the overweight warning mechanism is located at the outer end of the armrest, the even load-bearing mechanism is located inside the office chair cushion, and the support mechanism is located at the lower end of the office chair cushion;

[0004] The above application document implements an overweight alarm by setting an overweight alarm, but does not fundamentally increase the pressure-bearing capacity, and does not disclose how to ensure stability when the center of gravity shifts.

[0005] Therefore, we propose an office chair that can evenly distribute force. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides an office chair capable of evenly bearing force, which solves the problem that the bottom side of the existing chair body is unevenly subjected to pressure and has limited stability during work, and the pressure-bearing effect in all directions is limited.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: an office chair capable of evenly bearing force, comprising a chair body and running wheels on the bottom side thereof;

[0008] A pressure frame is fixedly installed at the bottom of the chair body. The main body of the pressure frame is a main pressure frame. The main pressure frame is composed of four groups of side frame columns located opposite to each other. The side frame columns are arched columns, and the four groups of side frame columns are diagonally fixedly installed on the bottom surface of the chair body.

[0009] Preferably, a pressure plate is fixedly welded at the center of the side frame column, and a walking wheel is fixedly installed at the bottom end of each group of side frame columns;

[0010] Among them, the setting of the pressure plate can connect the four groups of side frame columns to ensure its overall stability, while the setting of the walking wheels facilitates its flexible movement.

[0011] Preferably, the pressure frame is provided with a secondary pressure frame located inside the main pressure frame;

[0012] Among them, the setting of the auxiliary pressure frame can increase the pressure-bearing structure from the inside to ensure its overall stability.

[0013] Preferably, the main body of the auxiliary pressure frame is a pressure column, the top end of the pressure column is fixedly connected with a receiving plate, and the pressure column is fixedly connected to the center of the bottom surface of the chair body through the receiving plate;

[0014] Among them, fastening screw holes are opened on the receiving plate to facilitate its disassembly and assembly, while increasing the contact area to have a pressure-dividing effect.

[0015] Preferably, the bottom end of the pressure-bearing column is fixedly connected with a shock-absorbing spring tube, and the bottom end of the pressure-bearing column is fixedly connected to the center of the top surface of the pressure-bearing plate through the shock-absorbing spring tube;

[0016] Among them, the setting of the shock-absorbing spring tube can ensure the shock-absorbing effect of the device to a certain extent.

[0017] Preferably, four groups of downwardly inclined reinforcement columns are fixedly welded on the outer wall of the pressure-bearing column, and the outer end of each group of reinforcement columns is fixedly connected to the outer wall of the side frame column in the corresponding direction;

[0018] Among them, the arrangement of each group of reinforcing columns can make the bottom side of the chair body in all directions present an inverted "V"-shaped pressure frame to ensure stability.

[0019] The utility model provides an office chair capable of evenly bearing force, and has the following beneficial effects:

[0020] The office chair capable of evenly bearing force can utilize four groups of relatively positioned side frame columns as pressure-bearing structures to disperse the pressure on the chair body through the arrangement of a main pressure frame in the pressure-bearing frame. Combined with the arrangement of an inner auxiliary pressure frame, the stability and pressure resistance of the chair body during installation can be further ensured. Meanwhile, the arrangement of each group of reinforcing columns in the auxiliary pressure frame can ensure that the bottom side of each position of the chair body is provided with a connected and "V"-shaped pressure-bearing structure, thereby ensuring the pressure-bearing effect in each position, solving the problem of uneven pressure-bearing force on the bottom side of the existing chair body during operation, limited stability, and limited pressure-bearing effect in each position. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the structure of the bottom side of the utility model;

[0023] Figure 3 This is a structural schematic diagram of the auxiliary pressure frame of the utility model;

[0024] Figure 4 It is a structural schematic diagram of the main pressing frame of the utility model.

[0025] In the figure: 1, chair body; 2, pressure frame; 21, main pressure frame; 211, side frame column; 212, pressure plate; 22, auxiliary pressure frame; 221, receiving plate; 222, pressure column; 223, reinforcement column; 3, walking wheel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 The embodiment of the utility model provides a technical solution: an office chair capable of evenly bearing force, comprising a chair body 1 and running wheels 3 at the bottom thereof; a pressure frame 2 is fixedly installed at the bottom of the chair body 1, the main body of the pressure frame 2 is a main pressure frame 21, the main pressure frame 21 is composed of four groups of side frame columns 211 located opposite to each other, the side frame columns 211 are arched columns, and the four groups of side frame columns 211 are fixedly installed diagonally on the bottom surface of the chair body 1;

[0028] Among them, the office chair that can bear force evenly, through the setting of the main pressure frame 21 in the pressure frame 2, can use four groups of side frame columns 211 with opposite positions as pressure-bearing structures to disperse the pressure on the chair body 1, and cooperate with the setting of the inner auxiliary pressure frame 22, it can further ensure its stability and pressure resistance during installation. At the same time, the setting of each group of reinforcement columns 223 in the auxiliary pressure frame 22 can make the bottom side of each direction of the chair body 1 be provided with a connected and "V"-shaped pressure-bearing structure, thereby ensuring the pressure-bearing effect in each direction, solving the problem that the existing chair body 1 has uneven pressure-bearing force on the bottom side during operation, limited stability and limited pressure-bearing effect in each direction.

[0029] Embodiment 2:

[0030] A pressure plate 212 is fixedly welded at the center of the side frame column 211, and a running wheel 3 is fixedly installed at the bottom end of each group of side frame columns 211; wherein, the setting of the pressure plate 212 can connect the four groups of side frame columns 211 to ensure their overall stability, and the setting of the running wheel 3 facilitates their flexible movement.

[0031] The pressure frame 2 is provided with an auxiliary pressure frame 22 located inside the main pressure frame 21; wherein, the setting of the auxiliary pressure frame 22 can increase the pressure-bearing structure from the inside to ensure its overall stability.

[0032] The main body of the auxiliary pressure frame 22 is a pressure column 222, the top of which is fixedly connected to a receiving plate 221, and the pressure column 222 is fixedly connected to the center of the bottom surface of the chair body 1 through the receiving plate 221; wherein, the receiving plate 221 is provided with fastening screw holes to facilitate its disassembly and assembly, while increasing the contact area to have a pressure-dividing effect.

[0033] The bottom end of the pressure column 222 is fixedly connected with a shock-absorbing spring tube, and the bottom end of the pressure column 222 is fixedly connected to the center of the top surface of the pressure plate 212 through the shock-absorbing spring tube; wherein, the setting of the shock-absorbing spring tube can guarantee the shock-absorbing effect of the device to a certain extent.

[0034] Four groups of downwardly inclined reinforcing columns 223 are fixedly welded on the outer wall of the pressure-bearing column 222, and the outer end of each group of reinforcing columns 223 is fixedly connected to the outer wall of the side frame column 211 in the corresponding direction; wherein, the arrangement of each group of reinforcing columns 223 can make the bottom side of the chair body 1 in all directions present an inverted "V"-shaped pressure frame to ensure stability.

[0035] The working principle and use process of the utility model are as follows: when the device is needed to work, the pressure frame 2 is fixedly installed on the bottom of the chair body 1. When the user sits on the chair normally, the top side is evenly pressed down, and the four groups of side frame columns 211 can be used to evenly disperse the pressure to ensure stability and pressure-bearing effect. When the user's center is offset, the bottom sides of the four relative positions on the chair body 1 are stably supported by the inverted "V"-shaped frame connected by the upper half of the side frame columns 211 and the reinforcing columns 223, ensuring uniform pressure distribution and pressure-bearing effect of each part, and avoiding the occurrence of tilting and damage.

[0036] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0037] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An office chair capable of evenly bearing force, comprising a chair body (1) and running wheels (3) at its bottom; Features: A pressure frame (2) is fixedly mounted on the bottom of the chair body (1); the main body of the pressure frame (2) is a main pressure frame (21); the main pressure frame (21) is composed of four groups of side frame columns (211) located opposite to each other; the side frame columns (211) are arched columns; and the four groups of side frame columns (211) are fixedly mounted diagonally on the bottom surface of the chair body (1).

2. An office chair capable of evenly bearing force according to claim 1, characterized in that: A pressure plate (212) is fixedly welded at the center of the side frame columns (211), and a running wheel (3) is fixedly installed at the bottom end of each group of side frame columns (211).

3. The office chair capable of evenly bearing force according to claim 1, characterized in that: The pressure frame (2) is provided with an auxiliary pressure frame (22) located inside the main pressure frame (21).

4. The office chair capable of evenly bearing force according to claim 3, characterized in that: The main body of the auxiliary pressure frame (22) is a pressure column (222), the top end of the pressure column (222) is fixedly connected to a receiving plate (221), and the pressure column (222) is fixedly connected to the center of the bottom surface of the chair body (1) through the receiving plate (221).

5. The office chair capable of evenly bearing force according to claim 4, characterized in that: The bottom end of the pressure-bearing column (222) is fixedly connected to a shock-absorbing spring tube, and the bottom end of the pressure-bearing column (222) is fixedly connected to the center of the top surface of the pressure-bearing plate (212) through the shock-absorbing spring tube.

6. The office chair capable of evenly bearing force according to claim 4, characterized in that: Four groups of downwardly inclined reinforcement columns (223) are fixedly welded on the outer wall of the pressure-bearing column (222), and the outer end of each group of reinforcement columns (223) is fixedly connected to the outer wall of the side frame column (211) in the corresponding direction.

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