Multifunctional adjustable breathable office chair

Abstract

The multifunctional adjustable breathable office chair comprises a supporting frame and a bearing frame, the bearing frame is installed at the top end of the supporting frame, an electric push rod is movably installed at the position, on one side of the bearing frame, of the top end of the supporting frame, a push arm is installed at the output end of the electric push rod, and a linkage frame is arranged on the side wall of the bearing frame; a hinge shaft is installed at the end, close to the bearing frame, of the linkage frame, the linkage frame is movably connected with the bearing frame through the hinge shaft, a pressure bearing frame is arranged at the top end of the bearing frame, a pin shaft is installed at the end, close to the bearing frame, of the pressure bearing frame, and the pressure bearing frame is movably connected with the bearing frame through the pin shaft. According to the seat cushion, the buttocks of a user can be conveniently and elastically lifted, the seat cushion is suitable for different sitting modes, the seat cushion can be conveniently and flexibly adjusted and used, the back of the user can be ventilated, and the comfort and the flexibility in use are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to office chair technical field, concretely is a multifunctional adjustable ventilative office chair. BACKGROUND

[0002] Office chair refers to various chairs equipped for the convenience of work in work and social activities, and the office chair provides stable sitting posture support, height adjustment and convenient moving function through the coordination of seat support structure, air pressure lifting system, wheels and tilting mechanism, and the design fully considers the ergonomic principle, so that the user can obtain the best comfort and support in the use process, and the user can easily find the most suitable sitting posture through adjusting air pressure rod, seat tilting mechanism, armrest, lumbar support and headrest and the like, the ventilation performance of the traditional office chair is poor, and in order to improve the situation, a multifunctional adjustable ventilative office chair is provided.

[0003] The multifunctional adjustable ventilative office chair for office as disclosed in the authorized announcement No. CN216984228U comprises a ventilative backrest, a sliding seat, an L-shaped bottom plate and a ventilative cushion, a massage assembly is arranged above the horizontal end of the L-shaped bottom plate, the ventilative cushion is arranged above the massage assembly, the sliding seat is arranged below the horizontal end of the L-shaped bottom plate, the sliding seat is connected with the L-shaped bottom plate through an extension cylinder, armrest frames are arranged on the two sides of the horizontal end of the L-shaped bottom plate, the armrest frames are provided with armrests on the top, the ventilative backrest is arranged above the horizontal end of the L-shaped bottom plate, the ventilative backrest is connected with the top of the horizontal end of the L-shaped bottom plate through a hollow connecting plate, a small air blower is arranged on the side of the horizontal end of the L-shaped bottom plate away from the ventilative cushion, a battery box is arranged below the small air blower, and a plurality of batteries are arranged in the battery box.

[0004] Although the extension cylinder is arranged to adjust the height of the office chair seat body, the height of the office chair seat body can adapt to personnel with different heights, and the adjustment operation is convenient.

[0005] However, the existing office chair is not convenient for elastic lifting of the buttocks of the user and adaptation to different riding modes, is not conducive to flexible adjustment and use of the cushion and ventilation of the back of the user, and affects the comfort and flexibility of use. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a multifunctional adjustable ventilative office chair to solve the problem that the office chair is not convenient for elastic lifting of the buttocks of the user and adaptation to different riding modes, is not conducive to flexible adjustment and use of the cushion and ventilation of the back of the user, and affects the comfort and flexibility of use.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a multifunctional adjustable breathable office chair, including support frame and bearing frame, the support frame top is installed with bearing frame, the support frame top of bearing frame one side is rotatably installed with electric push rod, the output of electric push rod is installed with push arm, the lateral wall of bearing frame is provided with linkage frame, linkage frame is installed with hinged shaft close to one end of bearing frame, and linkage frame is rotatably connected with bearing frame through hinged shaft, the top of bearing frame is provided with bearing frame, the one end of bearing frame close to bearing frame is installed with pin shaft, and bearing frame is rotatably connected with bearing frame through pin shaft, the one end of linkage frame away from bearing frame is installed with breathable back frame, the bottom of breathable back frame is installed with lower movable shaft, and breathable back frame is rotatably connected with linkage frame through lower movable shaft, the one end of bearing frame close to breathable back frame is installed with upper movable shaft, and bearing frame is rotatably connected with breathable back frame through upper movable shaft.

[0008] Preferably, the top of the bearing frame is symmetrically installed with an integrated frame, and a cushion is arranged above the bearing frame.

[0009] Preferably, a lead screw is rotatably installed in the integrated frame, and a drive motor is installed on the lateral wall of the integrated frame, and the output of the drive motor is connected with the lead screw.

[0010] Preferably, a threaded sleeve is sleeved on the surface of the lead screw, the threaded sleeve is threadedly connected with the lead screw, and a cross is installed between the two threaded sleeves, and the cross is fixedly connected with the cushion.

[0011] Preferably, a bearing frame is installed in the cushion, and a slide rod is symmetrically installed in the bearing frame.

[0012] Preferably, two slide blocks are slidably installed on the surface of the slide rod, and a spring is sleeved on the surface of the slide rod on one side of the slide block.

[0013] Preferably, an adjusting arm is arranged at the top of the slide block, and a linkage shaft is installed at the bottom of the adjusting arm, and the adjusting arm is rotatably connected with the slide block through the linkage shaft.

[0014] Preferably, a supporting plate is arranged above the bearing frame, and the supporting plate is rotatably connected with the adjusting arm.

[0015] Compared with the prior art, the utility model has the advantages that the office chair not only realizes convenient elastic lifting of the buttocks of the user and adaptation to different sitting modes, facilitates flexible adjustment and use of the cushion and ventilation of the back of the user, but also improves the comfort and flexibility of use.

[0016] (1) through personnel in the use of office chair, personnel sit on the cushion, the buttocks through the cushion and the contact with the supporting plate, under the action of pressure, drive the supporting plate to move down, by the supporting plate to drive the adjusting arm to rotate, by the adjusting arm to drive the slider to slide on the surface of the slide rod through the linkage shaft, by the slider to extrude the spring, under the elastic support of the spring, by the spring to offset the pressure received, to improve the comfort of the use, when need to move forward and backward to adjust the use position of the cushion, by the drive motor to drive the screw rod to rotate, by the screw rod to drive the cross to move through the thread sleeve, by the cross to drive the cushion to move, to move forward and backward to adjust the use position of the cushion, in the use process, the breathable back frame plays the role of ventilation, to prevent the back of the personnel from sweating due to not breathable, realize the convenient elastic lifting of the buttocks of the user, facilitate the flexible adjustment and use of the cushion and the ventilation of the back of the user, improve the comfort of use;

[0017] (2) by the electric push rod to drive the push arm to move, by the push arm to drive the pressure bearing frame to rotate around the pin shaft, by the pressure bearing frame to drive the breathable back frame to rotate through the upper movable shaft, by the breathable back frame to drive the linkage frame to rotate around the hinge shaft through the lower movable shaft, by the bearing frame to provide support for the rotation of the above structure, by the pressure bearing frame to drive the cushion to rotate, to adjust the use angle of the cushion, so as to adapt to different riding modes. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is front view cross section structure schematic diagram of the utility model;

[0020] Figure 3 It is three-dimensional structure schematic diagram of the integrated frame of the utility model;

[0021] Figure 4 It is three-dimensional perspective structure schematic diagram of the cushion of the utility model;

[0022] Figure 5 It is three-dimensional perspective structure schematic diagram of the supporting plate of the utility model.

[0023] In the drawing: 1, support frame; 2, pressure bearing frame; 3, cushion; 4, breathable back frame; 5, electric push rod; 6, push arm; 7, upper movable shaft; 8, lower movable shaft; 9, linkage frame; 10, hinge shaft; 11, bearing frame; 12, pin shaft; 13, integrated frame; 14, thread sleeve; 15, screw rod; 16, drive motor; 17, cross; 18, supporting plate; 19, bearing frame; 20, adjusting arm; 21, linkage shaft; 22, slider; 23, spring; 24, slide rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0026] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] Embodiment one

[0028] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of multifunctional breathable office chair of adjustable, including support frame 1 and bearing frame 11, support frame 1 top end is equipped with bearing frame 11, the top end of support frame 1 in bearing frame 11 side is movably installed with electric push rod 5, electric push rod 5 plays the role of power drive, the output end of electric push rod 5 is installed with push arm 6, linkage frame 9 is set on the side wall of bearing frame 11, linkage frame 9 is installed with hinged shaft 10 close to one end of bearing frame 11, and linkage frame 9 is movably connected with bearing frame 11 by hinged shaft 10, the top end of bearing frame 11 is provided with bearing frame 2, bearing frame 2 is installed with pin shaft 12 close to one end of bearing frame 11, and bearing frame 2 is movably connected with bearing frame 11 by pin shaft 12, linkage frame 9 is installed with breathable back frame 4 away from one end of bearing frame 11, the bottom end of breathable back frame 4 is installed with lower movable shaft 8, and breathable back frame 4 is movably connected with linkage frame 9 by lower movable shaft 8, bearing frame 2 is installed with upper movable shaft 7 close to one end of breathable back frame 4, and bearing frame 2 is movably connected with breathable back frame 4 by upper movable shaft 7;

[0029] When a person uses the office chair, the person sits on the cushion 3, the buttocks contact the supporting plate 18 through the cushion 3, under the action of pressure, the supporting plate 18 is driven to move downward, the adjusting arm 20 is driven to rotate by the supporting plate 18, the sliding block 22 is driven to slide on the surface of the sliding rod 24 by the adjusting arm 20 through the linkage shaft 21, the spring 23 is extruded by the sliding block 22, under the elastic support of the spring 23, the spring 23 offsets the pressure received, thereby elastically lifting the buttocks of the person, to improve the comfort during use, when it is necessary to move forward and backward to adjust the use position of the cushion 3, the drive motor 16 is turned on, the lead screw 15 is driven to rotate by the drive motor 16, under the threaded connection of the lead screw 15 and the threaded sleeve 14, the cross 17 is driven to move by the lead screw 15 through the threaded sleeve 14, the cushion 3 is driven to move by the cross 17, to move forward and backward to adjust the use position of the cushion 3, during use, the breathable back frame 4 plays a role in ventilation, to prevent the back of the person from sweating due to lack of ventilation, realizing convenient elastic lifting of the buttocks of the user, facilitating flexible adjustment and use of the cushion and ventilation of the back of the user, improving the comfort of use;

[0030] The top end of the pressure bearing frame 2 is symmetrically provided with an integrated frame 13, and the upper portion of the pressure bearing frame 2 is provided with a cushion 3;

[0031] The inside of the integrated frame 13 is movably provided with a lead screw 15, and the sidewall of the integrated frame 13 is provided with a drive motor 16, which plays a role in power driving, and the output end of the drive motor 16 is connected with the lead screw 15;

[0032] The surface of the lead screw 15 is provided with a threaded sleeve 14, and the threaded sleeve 14 is threadedly connected with the lead screw 15, and the two groups of threaded sleeves 14 are provided with a cross 17, the cross 17 is fixedly connected with the cushion 3, the inside of the cushion 3 is provided with a bearing frame 19, and the inside of the bearing frame 19 is symmetrically provided with a sliding rod 24;

[0033] The surface of the sliding rod 24 is slidably provided with two groups of sliding blocks 22, the surface of the sliding rod 24 on one side of the sliding block 22 is provided with a spring 23, the top end of the sliding block 22 is provided with an adjusting arm 20, the bottom end of the adjusting arm 20 is provided with a linkage shaft 21, and the adjusting arm 20 is movably connected with the sliding block 22 through the linkage shaft 21, the upper portion of the bearing frame 19 is provided with a supporting plate 18, and the supporting plate 18 is movably connected with the adjusting arm 20;

[0034] The electric push rod 5 is turned on, the push arm 6 is driven to move by the electric push rod 5, the pressure bearing frame 2 is driven to rotate around the pin shaft 12 by the push arm 6, the breathable back frame 4 is driven to rotate around the hinge shaft 10 by the pressure bearing frame 2 through the upper movable shaft 7, the linkage frame 9 is driven to rotate around the hinge shaft 10 by the breathable back frame 4 through the lower movable shaft 8, the bearing frame 11 provides support for the rotation of the above-mentioned structure, the cushion 3 is driven to rotate by the pressure bearing frame 2, to adjust the use angle of the cushion 3, thereby adapting to different riding modes.

[0035] Working steps

[0036] When the person uses the office chair, the person sits on the cushion 3, the buttocks contact the supporting plate 18 through the cushion 3, under the action of pressure, the supporting plate 18 is driven to move downward, the adjusting arm 20 is driven to rotate by the supporting plate 18, the sliding block 22 is driven to slide on the surface of the sliding rod 24 by the adjusting arm 20 through the linkage shaft 21, the spring 23 is extruded by the sliding block 22, under the elastic support of the spring 23, the spring 23 is used to offset the pressure received, thereby the buttocks of the person are elastically lifted to improve the comfort during use, when it is needed to move forward and backward to adjust the use position of the cushion 3, the cross 17 is driven to move by the screw rod 15 through the threaded sleeve 14 by the driving motor 16 driving the screw rod 15 to rotate, the cushion 3 is driven to move by the cross 17, the use position of the cushion 3 is adjusted, during use, the breathable back frame 4 plays a role of ventilation to prevent the back of the person from sweating due to poor ventilation, the push arm 6 is driven to move by the electric push rod 5, the pressure bearing frame 2 is driven to rotate around the pin shaft 12 by the push arm 6, the breathable back frame 4 is driven to rotate around the hinge shaft 10 by the pressure bearing frame 2 through the upper movable shaft 7, the linkage frame 9 is driven to rotate around the hinge shaft 10 by the breathable back frame 4 through the lower movable shaft 8, the above-mentioned structure is supported by the bearing frame 11, the cushion 3 is driven to rotate by the pressure bearing frame 2 to adjust the use angle of the cushion 3, thereby adapting to different riding modes, the above is the whole use content of the multifunctional adjustable breathable office chair.

[0037] The above only describes the preferred embodiments of the present application and is not used to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A multi-functional adjustable ventilated office chair comprising a support frame (1) and a bearing frame (11), characterized in that: The support frame (1) top is provided with a bearing frame (11), one side of the bearing frame (11) top movable mounting electric push rod (5), the output end of the electric push rod (5) is provided with a push arm (6), the sidewall of the bearing frame (11) is provided with a linkage frame (9), the linkage frame (9) is installed on one end of the bearing frame (11) hinged shaft (10), and the linkage frame (9) is movably connected with the bearing frame (11) through the hinged shaft (10), the top of the bearing frame (11) is provided with a pressure bearing frame (2), one end of the pressure bearing frame (2) is installed on the bearing frame (11) pin shaft (12), and the pressure bearing frame (2) is movably connected with the bearing frame (11) through the pin shaft (12), one end of the linkage frame (9) away from the bearing frame (11) is provided with a breathable back frame (4), the bottom of the breathable back frame (4) is provided with a lower movable shaft (8), and the breathable back frame (4) is movably connected with the linkage frame (9) through the lower movable shaft (8), one end of the pressure bearing frame (2) close to the breathable back frame (4) is provided with an upper movable shaft (7), and the pressure bearing frame (2) is movably connected with the breathable back frame (4) through the upper movable shaft (7).

2. The multi-functional, adjustable, ventilated office chair according to claim 1, wherein: The top of the pressure bearing frame (2) is symmetrically provided with an integrated frame (13), and the top of the pressure bearing frame (2) is provided with a cushion (3).

3. The multi-functional, adjustable, ventilated office chair according to claim 2, wherein: The inside of the integrated frame (13) is movably provided with a lead screw (15), and the sidewall of the integrated frame (13) is provided with a driving motor (16), and the output end of the driving motor (16) is connected with the lead screw (15).

4. The multi-functional, adjustable, ventilated office chair according to claim 3, wherein: The surface of the lead screw (15) is provided with a threaded sleeve (14), and the threaded sleeve (14) is threadedly connected with the lead screw (15), and a cross frame (17) is installed between the two threaded sleeves (14), and the cross frame (17) is fixedly connected with the cushion (3).

5. The multi-functional, adjustable, ventilated office chair according to claim 2, wherein: The inside of the cushion (3) is provided with a bearing frame (19), and the inside of the bearing frame (19) is symmetrically provided with a slide rod (24).

6. The multi-functional, adjustable, ventilated office chair according to claim 5, wherein: The surface of the slide rod (24) is slidably provided with two groups of slide blocks (22), and the surface of the slide rod (24) on one side of the slide block (22) is provided with a spring (23).

7. The multi-functional, adjustable, ventilated office chair according to claim 6, wherein: The top of the slide block (22) is provided with an adjusting arm (20), and the bottom of the adjusting arm (20) is provided with a linkage shaft (21), and the adjusting arm (20) is movably connected with the slide block (22) through the linkage shaft (21).

8. The multi-functional, adjustable, breathable office chair of claim 5, wherein: The top of the bearing frame (19) is provided with a supporting plate (18), and the supporting plate (18) is movably connected with the adjusting arm (20). The top of the bearing frame (19) is provided with a supporting plate (18), and the supporting plate (18) is movably connected with the adjusting arm (20).

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