Shock-absorbing office chair

Abstract

The utility model provides a shock-absorbing office chair which comprises a chair seat and a chair back, the chair back is fixedly arranged on the chair seat and located on one side of the chair seat, a seat plate is arranged above the chair seat, a cushion is arranged on the seat plate, a shock-absorbing buffering assembly is arranged between the seat plate and the chair seat, and an adjusting assembly used for adjusting shock-absorbing buffering strength is arranged on the chair seat. The office chair has the advantage of damping and buffering a person when the person sits down.

Description

TECHNICAL FIELD

[0001] The utility model relates to office chair technical field especially relates to a shock absorption office chair. BACKGROUND

[0002] Office chair refers to various chairs equipped for work convenience in daily work and social activities.

[0003] The existing invention patent with the name of office chair as disclosed in the content of the publication number CN107224129B comprises a seat body, an adjusting mechanism for adjusting the sitting posture of a user by adjusting the state of the seat body, the adjusting mechanism being arranged on the seat body, an image acquisition device for detecting the body contour of the user, the image acquisition device being arranged on the seat body, and a controller connected with the adjusting mechanism and the image acquisition device and controlling the adjusting mechanism to adjust the seat body according to the detection result of the image acquisition device.

[0004] The seat can not directly feel the vibration and impact force of the ground when sitting down, which affects the use experience and work efficiency; the existing office chair with shock absorption cannot meet the needs of different users due to its fixed shock absorption effect, and different weight personnel can feel too hard or too soft, and it is difficult to find a comfortable sitting feeling. UTILITY MODEL CONTENT

[0005] In view of the deficiencies in the prior art, the utility model provides a shock absorption office chair to solve the technical problem of poor sitting feeling caused by the inability of the existing office chair to adjust the detection effect in the background art.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A shock absorption office chair comprises a seat and a backrest, the backrest is fixedly arranged on the seat and located on one side of the seat, a seat plate is arranged above the seat, a seat cushion is arranged on the seat plate, a shock absorption and buffering assembly is arranged between the seat plate and the seat, and an adjusting assembly for adjusting the shock absorption and buffering force is arranged on the seat.

[0008] In an embodiment of the utility model, the seat cushion comprises memory sponge and air-permeable mesh cloth, a seat groove is formed in the seat plate, the memory sponge is fixedly arranged in the seat groove, the air-permeable mesh cloth is fixedly arranged at the opening of the seat groove, and the air-permeable mesh cloth covers the memory sponge in the seat groove, and a buffering cavity is formed in the seat plate below the seat groove.

[0009] The utility model discloses an optimal embodiment, the damping buffer assembly includes a plurality of fixed blocks, a plurality of damping springs and a plurality of fixed rods, a plurality of fixed blocks are fixedly arranged at the bottom of the seat plate, a plurality of fixed blocks are all provided with first damping grooves in the bottom, the chair seat is provided with second damping grooves corresponding to a plurality of first damping grooves, a plurality of damping springs are fixedly arranged between a plurality of first damping grooves and a plurality of second damping grooves, a plurality of fixed rods are fixedly arranged on the chair seat, one end of a plurality of fixed rods is vertically upwards and slides into the buffer cavity, and the end of a plurality of fixed rods that extends into the buffer cavity is provided with a fixed head.

[0010] The utility model discloses an optimal embodiment, the adjusting assembly includes the adjusting rod of side wall with thread, the rotating sleeve of inner wall with screw groove and rotating rod, the chair seat is provided with adjusting cavity, the adjusting rod is located between the seat plate and the chair seat, one end of the adjusting rod vertically slides into the buffer cavity, the other end of the adjusting rod vertically slides into the adjusting cavity, the end of the adjusting rod that extends into the buffer cavity and adjusting cavity is provided with the adjusting head, the rotating sleeve is rotatably arranged in the adjusting cavity, and the rotating sleeve is threadedly sleeved on the section of the adjusting rod that extends into the adjusting cavity, the rotating rod is rotatably arranged in the adjusting cavity, one end of the rotating rod vertically slides out of the seat, and the drive member for driving the rotating sleeve rotation is arranged between the rotating rod and the rotating sleeve.

[0011] The utility model discloses an optimal embodiment, the drive member includes first pulley, second pulley and drive belt, the first pulley is fixedly arranged on the rotating rod, the second pulley is fixedly arranged on the rotating sleeve, and the drive belt is fixedly sleeved between the first pulley and the second pulley.

[0012] The utility model discloses an optimal embodiment, the chair seat bottom rotatably arranged has the lifting air rod for adjusting the height of chair seat.

[0013] The utility model discloses an optimal embodiment, still include two handrails, two the handrails opposite fixedly arranged on the chair seat and located at the both sides of the back.

[0014] The utility model discloses an optimal embodiment, the end of the rotating rod that extends out of the chair seat is arranged on the rotating handle.

[0015] Working principle:

[0016] The device is a damping office chair, mainly used for personnel in daily or office use. When using, first, the damping buffer assembly between the seat plate and the chair seat is adjusted by the adjusting assembly, the damping effect of the damping buffer assembly is adjusted, and after the adjustment is completed, it can be used.

[0017] The obtained beneficial effects are:

[0018] The damping buffer assembly can effectively buffer and dampen the personnel when the personnel sit down, reduce force transmission to the personnel, and protect the spine, joints and other parts to a certain extent. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the embodiment of the utility model;

[0020] Figure 2 It is a structural sectional view of the seat plate and the seat;

[0021] Figure 3 It is Figure 2 the enlarged schematic view of the structure of A.

[0022] In the above drawings: 1, seat; 2, backrest; 3, seat plate; 4, seat cushion; 5, memory sponge; 6, breathable mesh; 7, seat groove; 8, buffer cavity; 9, fixed block; 10, shock absorbing spring; 11, fixed rod; 12, first shock absorbing groove; 13, second shock absorbing groove; 14, fixed head; 15, adjusting rod; 16, rotating sleeve; 17, rotating rod; 18, adjusting cavity; 19, adjusting head; 20, first pulley; 21, second pulley; 22, drive belt; 23, lifting air rod; 24, armrest; 25, rotating handle. DETAILED DESCRIPTION

[0023] The technical solutions in the utility model will be further described below in combination with the drawings and embodiments.

[0024] Embodiment:

[0025] Referring to Figures 1-3 , the application is a damping office chair, which comprises a seat 1, a backrest 2 and two armrests 24, the backrest 2 is fixedly arranged on the seat 1 and located on one side of the seat 1, and the two armrests 24 are oppositely fixedly arranged on the seat 1 and located on the two sides of the backrest 2. The seat 1 is rotatably provided with a lifting air rod 23 at the bottom for adjusting the height of the seat 1, and the bottom of the lifting air rod 23 is connected with a chair leg. Because the structure is more existing, the application will not be described in more detail.

[0026] As Figure 1 and Figure 2As shown, the chair seat 1 is provided with a seat plate 3, the seat plate 3 is provided with a seat cushion 4, the seat cushion 4 comprises a memory sponge 5 and a breathable mesh cloth 6, the seat plate 3 is provided with a seat groove 7, the memory sponge 5 is fixedly arranged in the seat groove 7, the breathable mesh cloth 6 is fixedly arranged at the opening of the seat groove 7, and the breathable mesh cloth 6 covers the memory sponge 5 in the seat groove 7, and the seat plate 3 is provided with a buffer cavity 8 below the seat groove 7. This arrangement can effectively improve the comfort of personnel during riding through the memory sponge 5, protect the memory sponge 5 through the breathable mesh cloth 6, and prolong the service life.

[0027] As shown in the drawings, Figure 2 The seat plate 3 and the chair seat 1 are provided with a shock absorption and buffering assembly, the shock absorption and buffering assembly comprises a plurality of fixed blocks 9, a plurality of shock absorption springs 10 and a plurality of fixed rods 11, the plurality of fixed blocks 9 are fixedly arranged at the bottom of the seat plate 3, the bottom of each of the plurality of fixed blocks 9 is provided with a first shock absorption groove 12, the chair seat 1 is provided with a second shock absorption groove 13 corresponding to each of the plurality of first shock absorption grooves 12, the plurality of shock absorption springs 10 are fixedly arranged between the plurality of first shock absorption grooves 12 and the plurality of second shock absorption grooves 13, the plurality of fixed rods 11 are fixedly arranged on the chair seat 1, one end of each of the plurality of fixed rods 11 is vertically upward and slidably extends into the buffer cavity 8, and the end of each of the plurality of fixed rods 11 extending into the buffer cavity 8 is provided with a fixed head 14, the fixed head 14 abuts against the side wall of the buffer cavity 8 and can prevent the fixed rod 11 from sliding out of the buffer cavity 8. This can effectively absorb stress through the plurality of shock absorption springs 10 when a person sits down to achieve a shock absorption effect, effectively prevent the plurality of shock absorption springs 10 from overstretching or over-compressing through the fixed rod 11 and the fixed head 14, increase the service life of the plurality of shock absorption springs 10, and effectively limit the moving direction of the seat plate 3 to prevent the seat plate 3 from moving left and right or forward and backward.

[0028] As shown in the drawings, Figure 2 and Figure 3As shown, the seat 1 is provided with an adjusting assembly for adjusting the damping buffer degree, the adjusting assembly includes a side wall threaded adjusting rod 15, an inner wall threaded rotating sleeve 16 and a rotating rod 17, the seat 1 is provided with an adjusting cavity 18, the adjusting rod 15 is located between the seat plate 3 and the seat 1, one end of the adjusting rod 15 vertically slides into the buffer cavity 8, the other end of the adjusting rod 15 vertically slides into the adjusting cavity 18, the end of the adjusting rod 15 extending into the buffer cavity 8 and the adjusting cavity 18 is provided with an adjusting head 19, the rotating sleeve 16 is rotatably arranged in the adjusting cavity 18 and is fixed relative to the side wall of the adjusting cavity 18, the rotating sleeve 16 is threadedly sleeved on the section of the adjusting rod 15 extending into the adjusting cavity 18, the rotating rod 17 is rotatably arranged in the adjusting cavity 18, one end of the rotating rod 17 vertically slides out of the seat, a driving member for driving the rotating sleeve 16 to rotate is arranged between the rotating rod 17 and the rotating sleeve 16, the driving member includes a first pulley 20, a second pulley 21 and a driving belt 22, the first pulley 20 is fixedly arranged on the rotating rod 17, the second pulley 21 is fixedly arranged on the rotating sleeve 16, and the driving belt 22 is fixedly sleeved between the first pulley 20 and the second pulley 21, the first pulley 20 and the second pulley 21 are respectively connected with the driving belt 22 and are provided with a tooth groove, the inside of the driving belt 22 is provided with a tooth matched with the tooth groove, so that the first pulley 20 and the second pulley 21 can be conveniently driven to rotate, and the end of the rotating rod 17 extending out of the seat 1 is provided with a rotating handle 25. In this way, the rotating rod 17 can effectively drive the first pulley 20, the driving belt 22 and the second pulley 21 to rotate in the adjusting cavity 18, further drive the adjusting rod 15 to slide in the adjusting cavity 18, and through the adjusting heads 19 on both sides of the adjusting rod 15, the seat plate 3 can be effectively moved close to or away from the seat 1, so as to adjust the damping and impact resistance effect of the seat plate 3. The greater the distance between the seat plate 3 and the seat 1, the greater the damping and buffer effect, and the greater the moving distance means that more impact energy can be absorbed, and vice versa. It can be used by people of different weights.

[0029] Working principle:

[0030] In use, the height of the seat 1 is adjusted according to the height of the user, and the damping and buffer effect of the seat plate 3 is adjusted according to the weight of the user, specifically, the first pulley 20, the driving belt 22 and the second pulley 21 are driven to rotate in the adjusting cavity 18 by the rotation of the rotating rod 17, further driving the adjusting rod 15 to slide in the adjusting cavity 18, and through the adjusting heads 19 on both sides of the adjusting rod 15, the seat plate 3 is moved close to or away from the seat 1, and the adjustment is completed.

[0031] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.

Claims

1. A shock-absorbing office chair, comprising a seat (1) and a backrest (2), wherein the backrest (2) is fixed to the seat (1) and located on one side of the seat (1), characterized in that: A seat board (3) is provided above the seat (1), and a seat cushion (4) is provided on the seat board (3). A shock-absorbing and buffering component is provided between the seat board (3) and the seat (1). An adjustment component for adjusting the shock-absorbing and buffering effect is provided on the seat (1). The seat cushion (4) includes memory foam (5) and breathable mesh fabric (6). A seat groove (7) is opened on the seat board (3). The memory foam (5) is fixed in the seat groove (7). The breathable mesh fabric (6) is fixed at the opening of the seat groove (7), and the breathable mesh fabric (6) completely covers the memory foam (5) in the seat groove (7). A buffer cavity (8) is provided below the seat groove (7). The shock-absorbing and buffering assembly includes several fixed blocks (9), several shock-absorbing springs (10), and several fixed rods (11). Several fixed blocks (9) are fixed to the bottom of the seat plate (3). Each of the fixed blocks (9) has a first shock-absorbing groove (12) at its bottom. The chair seat (1) has a second shock-absorbing groove (13) that corresponds one-to-one with the first shock-absorbing grooves (12). Several shock-absorbing springs (10) are fixed one-to-one between the first shock-absorbing grooves (12) and the second shock-absorbing grooves (13). Several fixed rods (11) are fixed to the bottom of the seat plate (3). On the seat (1), one end of several fixing rods (11) extends vertically upward and slides into the buffer cavity (8). Each of the fixing rods (11) has a fixing head (14) at its end extending into the buffer cavity (8). The adjustment assembly includes an adjustment rod (15) with threads on its sidewall, a rotating sleeve (16) with threads on its inner wall, and a rotating rod (17). An adjustment cavity (18) is provided on the seat (1). The adjustment rod (15) is located between the seat plate (3) and the seat (1). One end of the adjustment rod (15) extends vertically upward and slides into the buffer cavity (8). The other end of the adjustment rod (15)... One end of the adjusting rod (15) slides vertically downward into the adjusting cavity (18). The ends of the adjusting rod (15) extending into the buffer cavity (8) and the adjusting cavity (18) are provided with adjusting heads (19). The rotating sleeve (16) is rotatably disposed in the adjusting cavity (18), and the rotating sleeve (16) is threaded on the section of the adjusting rod (15) extending into the adjusting cavity (18). The rotating rod (17) is rotatably disposed in the adjusting cavity (18). One end of the rotating rod (17) slides vertically downward out of the seat. A driving component for driving the rotating sleeve (16) to rotate is provided between the rotating rod (17) and the rotating sleeve (16).

2. The shock-absorbing office chair according to claim 1, characterized in that: The driving component includes a first pulley (20), a second pulley (21), and a driving belt (22). The first pulley (20) is fixed on the rotating rod (17), the second pulley (21) is fixed on the rotating sleeve (16), and the driving belt (22) is fixedly sleeved between the first pulley (20) and the second pulley (21).

3. The shock-absorbing office chair according to claim 1, characterized in that: The bottom of the chair seat (1) is rotatably equipped with a lifting gas spring (23) for adjusting the height of the chair seat (1).

4. The shock-absorbing office chair according to claim 1, characterized in that: It also includes two armrests (24), which are fixed opposite to each other on the seat (1) and located on both sides of the backrest (2).

5. A shock-absorbing office chair according to claim 1, characterized in that: The end of the rotating rod (17) extending out of the seat (1) is located at the rotating handle (25).

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