CN220423516U - Dual-purpose office chair for sitting and lying - Google Patents

Abstract

The utility model provides a sitting and lying dual-purpose office chair, which comprises a rotating frame, a chair back, a chair seat and a control rod, wherein the rotating frame is connected with a base, the rear end of the base is provided with a groove which is rotationally connected with a rotating shaft, the lower end of the base is fixedly provided with a pulley box, the upper end of the rotating shaft is fixedly provided with a supporting column, the lower end of the rotating shaft and the supporting column are also fixedly provided with a connecting rod and a pulley frame on the same axis, the lower end of the base is provided with a groove which is used for accommodating the connecting rod and the pulley frame, the connecting rod is rotationally connected with an air rod, the other end of the air rod is rotationally connected with the base, the pulley frame is sleeved with a fixed pulley, the inside of the supporting column is provided with a groove which is used for accommodating a crude steel rope and a thin steel rope, the crude steel rope is connected with the thin steel rope, the other end of the thin steel rope passes through the rotating shaft and is connected with the fixed pulley and a rotating device, and the rotating device is fixedly arranged on the pulley box.

Description

Dual-purpose office chair for sitting and lying

Technical Field

The utility model relates to the technical field of office chairs, in particular to a sitting and lying dual-purpose office chair.

Background

Office chairs are various chairs equipped for convenience in daily work and social activities, office partners divide office chairs into a narrow sense and a broad sense, the narrow sense office chairs are backrest chairs for people sitting on when performing desktop work in a sitting posture state, and the broad sense office chairs are all chairs used in offices, including office chairs, guest chairs, staff chairs, conference chairs, guest chairs, training chairs and the like.

The existing office chairs not only meet the normal use during working, but also can be folded on a desk to rest during noon break due to limited space of the office, and the sitting and lying dual-purpose office chairs on the market are all concave to better fit the back, can support the whole back in a larger area,

the personnel carry out the lying rest, and this kind of concave type just has restricted the range of motion that lies down, and the supporting force lying rest of making in order to laminating back simultaneously also is inconsistent to the health and is produced uncomfortable, therefore, we have disclosed a dual-purpose office chair of sitting and lying and has satisfied the demand that increases the range of motion when lying down the rest, reduces back of the chair back elasticity.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a sitting and lying dual-purpose office chair, which realizes the function of positioning a driving shaft on a motor main body and a rolling door main body by matching a positioning rod structure which is arranged elastically with a limiting plate fixed on the driving shaft and a plurality of positioning groove structures arranged on the limiting plate, solves the problem that the motor main body needs to be opened for a long time to keep the rolling door fixed, so that the situation of overhigh temperature is avoided, and improves the using effect of the garage door motor main body.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dual-purpose office chair sits and crouches, includes swivel mount, back of the chair, seat support and control lever, connect the base on the swivel mount, the recess of being connected with the pivot rotation has been seted up to the base rear end, the lower extreme fixed mounting of base has the pulley box, pivot upper end fixed mounting has the support column, the pivot lower extreme with the support column is still fixed mounting has connecting rod and pulley yoke on same axis, the base lower extreme has been seted up and has been accomodate the connecting rod with the recess of pulley yoke, the connecting rod rotates the connection gas pole, the other end of gas pole with the base rotates to be connected, the pulley yoke is last to overlap and is equipped with the fixed pulley, the support column is inside to be equipped with hold the recess of thick wire rope and thin wire rope, the thick wire rope with thin wire rope is connected, the other end of thin wire rope passes the pivot is walked around fixed pulley and rotating device connects, rotating device fixed mounting is in on the pulley box, the both sides of support column still fixed mounting has horizontal bracket pole, be equipped with in the horizontal bracket pole and be used for the wire rope passes the recess of pulley, the connecting rod, the cover spring and arc are equipped with in the arc one side of arc connection arc.

Preferably, the lower extreme fixed mounting of base has the fixed block, set up the recess that the slide bar slided in the fixed block, the slide bar rotates and connects the callus on the sole and rotate spacing scope 180.

Preferably, a sleeve is sleeved at the joint where the thick steel wire rope and the thin steel wire rope are connected.

Preferably, the rotating device comprises a vertical plate fixed on the inner wall of the side face of the pulley box and a connector connected with the thin steel wire rope, and two ends of the connector are rotatably connected to the vertical plate.

Preferably, the pulley box adopts an arc structure and the rotation curvature of the fixed pulley is consistent.

Preferably, a reset spring is sleeved on the thin steel wire rope, and two ends of the reset spring are respectively connected with the sleeve and the bottom end of a notch formed in the support column.

Preferably, the thickness of the seat and the thickness of the foot pad are consistent.

The utility model has the beneficial effects that:

(1) According to the utility model, by pulling the control rod for controlling the backward tilting, under the action of gravity of a body, the chair back carries the supporting column, the pulley yoke and the connecting rod which are fixed on the rotating shaft to rotate around the rotating shaft, the air rod is contracted under the pushing of the connecting rod, the pulley yoke drives the fixed pulley to rotate around the rotating shaft, a section of the thick steel wire rope wound on the fixed pulley is pulled out of the supporting column under the driving of the fixed pulley, the thin steel wire rope is pulled along with the pulling of the thick steel wire rope, the curvature of the thin steel wire rope is reduced by pulling of the arc-shaped elastic sheet, the compression spring is compressed and deformed, the curvature reaches the minimum when lying down to 180 degrees, the rotating shaft drives the supporting column and the pulley yoke to rotate under the action of the elastic force of the arc-shaped elastic sheet and the compression spring, the arc-shaped elastic sheet wound on the fixed pulley also changes along with the change of the angle of the fixed pulley, the smaller elastic force is smaller, the concave curvature is increased when sitting down, the sitting down is realized, the lying down is reduced, the movement range of the lying down is reduced, and the sitting down comfort is improved, and the sitting down comfort is realized.

(2) According to the utility model, by pulling the control rod for controlling the backward tilting, under the action of gravity of a body, the chair back carries the support column, the pulley frame and the connecting rod which are fixed on the rotating shaft to rotate around the rotating shaft, the air rod is contracted under the pushing of the connecting rod, the pulley frame drives the fixed pulley to rotate around the rotating shaft, one end of the thick steel wire rope is connected with the rotating device, the rotating device is arranged on the inner wall of the side face of the pulley box, the thick steel wire rope wound on the fixed pulley is taken out of the support column for a certain length under the action of the fixed pulley, the rotating device is arranged on the inner wall of the side face of the pulley box, the thick steel wire rope can be pulled out for the longest distance in a small space, the reset spring is deformed under pressure in the pulling process, when the rest is finished, the control rod for controlling the backward tilting is pulled, the air rod stretches to push the connecting rod, the rotating shaft drives the rotating shaft to rotate, and the support column and the pulley frame are driven to rotate by the rotating shaft, the thick steel wire rope wound on the fixed pulley moves towards the support column under the action of the elasticity of the arc-shaped elastic sheet, the compression spring and the reset spring, the elasticity required for arc-shaped reset spring is reduced, and the stability of the device is improved between the sleeve and the bottom end of the support column.

(3) The utility model discloses a cover is equipped with the sleeve between thin wire rope and thick wire rope, and the junction of two wire ropes needs back and forth atress and removal in the whole use of lying down and resetting, and sleeve is established to the cover avoids moving the in-process welded part because with the thin wire rope appear the force of different angles lead to the junction fracture, improves thin wire rope's life.

In conclusion, the utility model has the advantages of increasing the movable range, reducing the back elasticity of the chair back, improving the comfort level and the like during sleeping and resting.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the bottom plan view of the present utility model;

FIG. 3 is a schematic view of the internal perspective structure of the present utility model;

FIG. 4 is a schematic view of the internal cross-sectional structure of the present utility model;

fig. 5 is a schematic perspective view of a fixed pulley of the present utility model.

In the figure: 1. a rotating frame; 2. a chair back; 3. a seat; 4. a control lever; 5. a fixed block; 6. a slide bar; 7. foot pads; 8. a base; 9. a pulley box; 10. an air bar; 11. a support column; 12. a rotating shaft; 13. a connecting rod; 14. an arc-shaped elastic sheet; 15. a compression spring; 16. a transverse bracket rod; 17. a thick steel wire rope; 18. a return spring; 19. a sleeve; 20. a thin steel wire rope; 21. a pulley frame; 22. a fixed pulley; 23. and a rotating device.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

As shown in fig. 1-5, this embodiment provides a sitting and lying dual-purpose office chair, which comprises a rotating frame 1, a chair back 2, a chair seat 3 and a control rod 4, wherein a base 8 is connected to the rotating frame 1, a groove rotationally connected with a rotating shaft 12 is formed at the rear end of the base 8, a pulley box 9 is fixedly arranged at the lower end of the base 8, a supporting column 11 is fixedly arranged at the upper end of the rotating shaft 12, a connecting rod 13 and a pulley frame 21 are fixedly arranged on the same axis with the supporting column 11 at the lower end of the rotating shaft 12, a groove for accommodating the connecting rod 13 and the pulley frame 21 is formed at the lower end of the base 8, the connecting rod 13 is rotationally connected with an air rod 10, the other end of the air rod 10 is rotationally connected with the base 8, a fixed pulley 22 is sleeved on the pulley frame 21, a groove for accommodating a crude steel wire rope 17 and a fine steel wire rope 20 is arranged inside the supporting column 11, the crude steel wire rope 17 and the fine wire rope 20 are connected, the other end of the thin steel wire rope 20 passes through the rotating shaft 12 to bypass the fixed pulley 22 and the rotating device 23, the rotating device 23 is fixedly arranged on the pulley box 9, two sides of the supporting column 11 are fixedly provided with the transverse support rod 16, a hole for the thin steel wire rope 20 to pass through is arranged in the transverse support rod 16, one end of the thin steel wire rope 20 is sleeved with the compression spring 15 and the arc-shaped elastic sheet 14 to be connected, the two ends of the arc-shaped elastic sheet 14 are respectively connected with the arc-shaped elastic sheet 14 and the transverse support rod 16, the arc-shaped elastic sheet 14 is fixedly connected with one side of the supporting column 11 towards the chair seat 3, in actual use, by stirring the control rod 4 for controlling the backward tilting, under the action of the gravity of a body, the chair back 2 rotates around the rotating shaft 12 with the supporting column 11, the pulley frame 21 and the connecting rod 13 fixed on the rotating shaft 12, the air rod 10 contracts under the pushing of the connecting rod 13, the pulley frame 21 drives the fixed pulley 22 to rotate around the rotating shaft 12, the thick steel wire rope 17 wound on the fixed pulley 22 pulls out a section of thick steel wire rope 17 from the support column 11 under the drive of the fixed pulley 22, the thin steel wire rope 20 is pulled along with the pulling of the thick steel wire rope 17, the thin steel wire rope 20 pulls the arc-shaped elastic sheet 14 to reduce the curvature, the compression spring 15 compresses and deforms, the curvature reaches minimum when the chair back is laid down to 160 degrees, when the chair back is laid down, the connecting rod 13 is pushed by pulling the control rod 4 for controlling the backward tilting after the rest is finished, the connecting rod 13 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the support column 11 and the pulley frame 21 to rotate, the thick steel wire rope 17 wound on the fixed pulley 22 moves into the support column 11 under the action of the self elastic force of the arc-shaped elastic sheet 14 and the compression spring 15, the curvature is changed along with the change of the back elevation angle in the whole process, the smaller the curvature is smaller, the elastic force is smaller, the concave-shaped area of the chair back 2 is increased when the chair back is laid down is realized, the concave curvature is reduced when the chair back is laid down, the elasticity is increased, the lying-down separation is realized, and the comfort degree of office chair is improved.

The fixed block 5 is fixedly arranged at the lower end of the base 8, a groove for sliding the sliding rod 6 is formed in the fixed block 5, the sliding rod 6 is rotationally connected with the foot pad 7 and rotates for 180 degrees in a limiting range, the thickness of the chair seat 3 is consistent with that of the foot pad 7, in the practical use process, when a user needs to lie down for rest, the foot pad 7 is pulled out from the lower end of the base 8, the user rotates outwards for 180 degrees, the thickness of the foot pad 7 is consistent with that of the chair back 2, and support is provided for feet during lying down, so that the user can rest conveniently.

The sleeve 19 is sleeved at the joint where the thick steel wire rope 17 and the thin steel wire rope 20 are connected, the joint of the two steel wire ropes needs to be stressed and moved back and forth in the whole use process of lying down and resetting, the thick steel wire rope 17 and the thin steel wire rope 20 are connected through welding, the problem that the welding position is stressed at different angles with the thin steel wire rope 20 in the moving process is avoided, the fixed joint of the sleeve 19 is increased, and the service life of the thin steel wire rope 20 is prolonged.

The rotating device 23 comprises a vertical plate fixed on the inner wall of the side surface of the pulley box 9 and a joint connected with the thin steel wire rope 20, two ends of the joint are rotationally connected on the vertical plate, the pulley box 9 adopts an arc structure and the rotation curvature of the fixed pulley 22 is consistent, the thin steel wire rope 20 is sleeved with a reset spring 18, two ends of the reset spring 18 are respectively connected with a sleeve 19 and the bottom end of a notch formed in the support column 11, in actual use, under the action of gravity of a body, the chair back 2 carries the support column 11 fixed on the rotating shaft 12, the pulley frame 21 and the connecting rod 13 to rotate around the rotating shaft 12, the air rod 10 is pushed by the connecting rod 13 to shrink, the pulley frame 21 drives the fixed pulley 22 to rotate around the rotating shaft 12, one end of the thick steel wire rope 17 is connected with the rotating device 23, the rotating device 23 is arranged on the inner wall of the side surface of the pulley box 9, under the action of a fixed pulley 22, a section of the thick steel wire rope 17 wound on the fixed pulley 22 is taken out from the support column 11, a rotating device 23 is arranged on the inner wall of the side face and can pull out the thick steel wire rope 17 for the longest distance in a small space, a return spring 18 is subjected to pressure to deform in the pulling process, when the rest is finished, the connecting rod 13 is pushed by pulling a control rod 4 for controlling the backward tilting, the connecting rod 10 stretches, the rotating shaft 12 is driven by the connecting rod 13 to rotate, the rotating shaft 12 drives the support column 11 and a pulley frame 21 to rotate, the thick steel wire rope 17 wound on the fixed pulley 22 moves towards the support column 11 under the action of the elasticity of an arc-shaped elastic sheet 14, a compression spring 15 and the return spring 18, the elastic force required by the reset of the arc-shaped elastic sheet 14 is reduced, and the return spring 18 improves the stability of the device between the sleeve 19 and the bottom end of the groove of the support column 11.

Working procedure

Step one, the chair back 2 rotates around the rotating shaft 12 with the support column 11, the pulley yoke 21 and the connecting rod 13 fixed on the rotating shaft 12 under the action of gravity of a body by stirring the control rod 4 for controlling the backward tilting, the air rod 10 contracts under the pushing of the connecting rod 13, the pulley yoke 21 drives the fixed pulley 22 to rotate around the rotating shaft 12, the thick steel wire rope 17 wound on the fixed pulley 22 pulls out a section of thick steel wire rope 17 from the support column 11 under the driving of the fixed pulley 22, the thin steel wire rope 20 is pulled along with the pulling of the thick steel wire rope 17, the thin steel wire rope 20 pulls the arc-shaped elastic sheet 14 to reduce curvature, and the compression spring 15 compresses and deforms.

Step two, the control rod 4 for controlling the backward tilting is shifted to lift up, the air rod 10 stretches to push the connecting rod 13, the connecting rod 13 drives the rotating shaft 12 to rotate, the rotating shaft 12 drives the support column 11 and the pulley frame 21 to rotate, and the thick steel wire rope 17 wound on the fixed pulley 22 moves towards the support column 11 under the action of the self elasticity of the arc-shaped elastic sheet 14 and the compression spring 15.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (7)

1. The utility model provides a dual-purpose office chair sits and crouches, includes swivel mount, back of the chair, seat support and control lever, its characterized in that: the utility model discloses a seat, including the rotating frame, the base, the lower extreme of base, the lower extreme fixed mounting of base has the pulley box, pivot upper end fixed mounting has the support column, the pivot lower extreme with the support column is still fixed mounting on same axis has connecting rod and pulley yoke, the base lower extreme has been seted up and has been accomodate the connecting rod with the recess of pulley yoke, the connecting rod rotates and connects the gas pole, the other end of gas pole with the base rotates and connects, the cover is equipped with the fixed pulley on the pulley yoke, the support column is inside to be equipped with the recess that holds thick wire rope and thin wire rope, thick wire rope with thin wire rope is connected, the other end of thin wire rope passes the pivot is walked around fixed pulley and rotating device connects, rotating device fixed mounting is in on the pulley box, the both sides of support column are still fixed mounting has the horizontal bracket pole, be equipped with in the horizontal bracket pole be used for the arc that thin wire rope passed, the one end cover of wire rope is equipped with compression spring and is connected with the shell fragment, the shell fragment is connected respectively to arc bracket pole and arc one side of arc seat is connected towards arc support column one side.

2. A dual-purpose office chair for sitting and lying as claimed in claim 1, wherein: the lower extreme fixed mounting of base has the fixed block, set up the gliding recess of slide bar in the fixed block, the slide bar rotates and connects the callus on the sole and rotate spacing scope 180.

3. A dual-purpose office chair for sitting and lying as claimed in claim 1, wherein: the junction that the thick wire rope with the thin wire rope is connected overlaps there is the sleeve.

4. A dual-purpose office chair for sitting and lying as claimed in claim 3, wherein: the rotating device comprises a vertical plate fixed on the inner wall of the side face of the pulley box and a connector connected with the thin steel wire rope, and two ends of the connector are rotationally connected to the vertical plate.

5. A dual-purpose office chair for sitting and lying as claimed in claim 1, wherein: the pulley box adopts an arc structure and the rotation curvature of the fixed pulley is consistent.

6. A dual-purpose office chair for sitting and lying as claimed in claim 3, wherein: the thin steel wire rope is sleeved with a reset spring, and two ends of the reset spring are respectively connected with the sleeve and the bottom end of a notch formed in the support column.

7. A dual-purpose office chair for sitting and lying according to claim 2, wherein: the thickness of the chair seat is consistent with the thickness of the foot pad.