CN211833630U - Office chair with waist cushion adjusting device - Google Patents
Office chair with waist cushion adjusting device Download PDFInfo
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- CN211833630U CN211833630U CN202020320960.7U CN202020320960U CN211833630U CN 211833630 U CN211833630 U CN 211833630U CN 202020320960 U CN202020320960 U CN 202020320960U CN 211833630 U CN211833630 U CN 211833630U
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Abstract
The utility model discloses a take bustle adjusting device's office chair, which comprises a seat, cushion bottom fixedly connected with backup pad, backup pad bottom fixedly connected with hydraulic stem, hydraulic stem outer wall fixedly connected with support frame, the support frame bottom is rotated and is connected with the universal wheel, cushion one end is rotated and is connected with the back, cushion bottom fixedly connected with motor, the motor outer wall is provided with the motor case, motor roof portion and cushion bottom fixed connection, motor roof portion fixedly connected with axis of rotation. The utility model discloses a set up the motor and rotate the drive axis of rotation and rotate to drive the inside a plurality of turning blocks of bustle and rotate, the position that the axis of rotation passes through every turning block is different, thereby when the turning block radius of rotation is different, turning block extrusion bustle, thereby accessible motor control bustle from the top down has different heights, has realized the protection to the different positions of waist, has very high practicality.
Description
Technical Field
The utility model relates to an office chair technical field especially relates to take bustle adjusting device's office chair.
Background
An office chair is characterized in that when a human body keeps sitting on the office chair, the upper half of the body is supported by the lumbar vertebra, the lumbar vertebra part bears larger force, the lumbar vertebra generates degenerative change along with repeated increase of pressure (frequent sedentary, such as office), and aging, the part or all of fiber ring breaks, and the fiber ring protrudes outwards alone or together with nucleus pulposus and cartilage end plates, and finally sinus nerve and nerve root are stimulated or pressed, so that a series of symptoms such as limb numbness, waist pain and the like are generated.
Most of the existing office chairs only adopt a simple waist cushion to protect the waist of a human body, and do not have corresponding adjusting machines to adapt to different parts of the waist, so that the protection effect is poor, and therefore, the study of the office chair with the adjusting mechanism is very important.
Disclosure of Invention
The utility model aims at solving the defects existing in the prior art and providing an office chair with a waist cushion adjusting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
take bustle adjusting device's office chair, including the cushion, cushion bottom fixedly connected with backup pad, backup pad bottom fixedly connected with hydraulic stem, hydraulic stem outer wall fixedly connected with support frame, the support frame bottom is rotated and is connected with the universal wheel, cushion one end is rotated and is connected with the back, cushion bottom fixedly connected with motor, motor outer wall is provided with the motor case, motor roof portion and cushion bottom fixed connection, motor roof portion fixedly connected with axis of rotation, cushion roof portion fixedly connected with bustle, bustle inside is provided with a plurality of turning blocks, turning block inner wall and axis of rotation fixed connection, turning block and motor pass through the axis of rotation and realize rotating the connection.
Preferably, a plurality of first springs are fixedly connected to two ends of the rotating block, a first rubber mat is fixedly connected to one end, far away from the rotating block, of the first spring, and the first rubber mat is arc-shaped.
Preferably, cushion both sides outer wall fixedly connected with bracing piece, bracing piece top fixedly connected with handrail, the handrail other end and back both sides outer wall fixed connection, back one end is provided with the dead lever, dead lever outer wall threaded connection has first bolt, and threaded connection is realized through first bolt to back and dead lever, and the dead lever top is rotated and is connected with the headrest.
Preferably, the outer wall of one side of the hydraulic rod is fixedly connected with a fixed plate, the inner wall of the fixed plate is slidably connected with a telescopic plate, the top of the telescopic plate is rotatably connected with a pedal, and the outer wall of the top of the pedal is fixedly connected with a second rubber mat.
Preferably, the outer wall of the top of the fixing plate is in threaded connection with a second bolt, the outer wall of the top of the fixing plate is fixedly connected with a reinforcing rod, and the top of the reinforcing rod is fixedly connected with the outer wall of the bottom of the supporting plate.
Preferably, support frame one end is rotated and is connected with solid fixed ring, gu fixed ring inner wall and hydraulic stem outer wall fixed connection, support frame bottom outer wall fixedly connected with connecting block, connecting block one end fixedly connected with second spring, the second spring other end and hydraulic stem outer wall fixed connection.
Preferably, the bottom of the hydraulic rod is fixedly connected with a plurality of third springs, the bottom of each third spring is fixedly connected with a bottom plate, and the outer wall of the bottom of each bottom plate is fixedly connected with a third rubber mat.
The utility model has the advantages that:
1. the motor is arranged to rotate to drive the rotating shaft to rotate, so that the plurality of rotating blocks inside the waist pad are driven to rotate, the rotating shaft is different in position through each rotating block, when the rotating blocks are different in rotating radius, the rotating blocks extrude the waist pad, the waist pad can be controlled through the motor to be different in height from top to bottom, the protection of different parts of the waist is achieved, and the waist pad has high practicability.
2. Through setting up the running-board at expansion plate top, can make people's foot put on it, promote people's travelling comfort, through setting up expansion plate and fixed plate sliding connection, can adjust according to different shank length, convenient and practical can increase the stability of fixed plate and expansion plate through setting up the reinforcing plate to office chair's travelling comfort and hommization have been promoted.
3. Rotate to be connected through setting up the support frame and solid fixed ring, and support frame and hydraulic stem pass through connecting block and second spring coupling, when the people sits on the chair, make the chair have certain elasticity, more have the travelling comfort when sitting down, and can prevent through setting up third spring and bottom plate that the too big people of weight from causing the chair to sink seriously, play the purpose of protection ground and chair, make the chair have higher travelling comfort.
Drawings
Fig. 1 is a schematic cross-sectional structure view of an office chair with a lumbar pad adjustment device according to embodiment 1 of the present invention;
fig. 2 is a schematic diagram of a waist pad adjusting structure of an office chair with a waist pad adjusting device according to the present invention;
fig. 3 is a schematic sectional view of a leg of an office chair with a lumbar pad adjustment device according to embodiment 2 of the present invention.
In the figure: 1 cushion, 2 backup pads, 3 bracing pieces, 4 handrail, 5 bustle, 6 backs, 7 head pads, 8 dead levers, 9 first bolts, 10 turning blocks, 11 first cushion, 12 axis of rotation, 13 motor casees, 14 motors, 15 hydraulic stems, 16 support frames, 17 stiffener, 18 universal wheels, 19 fixed plates, 20 expansion plates, 21 running-boards, 22 second cushion, 23 second bolts, 24 first springs, 25 second springs, 26 connecting blocks, 27 bottom plates, 28 third springs, 29 solid fixed rings, 30 third cushion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example 1
Referring to fig. 1-2, an office chair with a waist pad adjusting device comprises a cushion 1, a supporting plate 2 is fixedly connected to the bottom of the cushion 1, a hydraulic rod 15 is fixedly connected to the bottom of the supporting plate 2, a supporting frame 16 is fixedly connected to the outer wall of the hydraulic rod 15, universal wheels 18 are rotatably connected to the bottom of the supporting frame 16, a backrest 6 is rotatably connected to one end of the cushion 1, a motor 14 is fixedly connected to the bottom of the cushion 1, a motor box 13 is arranged on the outer wall of the motor 14, the top of the motor box 13 is fixedly connected to the bottom of the cushion 1, a rotating shaft 12 is fixedly connected to the top of the motor 14, a waist pad 5 is fixedly connected to the top of the cushion 1, a plurality of rotating blocks 10 are arranged inside the waist pad 5, the inner wall of the rotating block 10 is fixedly connected to the rotating shaft 12, the rotating blocks 10 are rotatably connected, the position of the rotating shaft 12 passing through each rotating block 10 is different, so that when the rotating radius of the rotating blocks 10 is different, the rotating blocks extrude the waist pad 5, the waist pad 5 can be controlled to have different heights from top to bottom through the motor 14, the protection of different parts of the waist is realized, and the practicability is high.
In the utility model, two ends of the rotating block 10 are fixedly connected with a plurality of first springs 24, one end of each first spring 24, which is far away from the rotating block 10, is fixedly connected with a first rubber mat 11, and the first rubber mat 11 is set to be arc-shaped, so that the comfort of a human body is improved when the rotating adjustment is carried out;
the supporting rods 3 are fixedly connected to the outer walls of two sides of the cushion 1, the armrests 4 are fixedly connected to the tops of the supporting rods 3, the other ends of the armrests 4 are fixedly connected to the outer walls of two sides of the backrest 6, a fixing rod 8 is arranged at one end of the backrest 6, a first bolt 9 is in threaded connection with the outer wall of the fixing rod 8, the backrest 6 and the fixing rod 8 are in threaded connection through the first bolt 9, a headrest 7 is rotatably connected to the tops of the fixing rods 8, support for hands and heads of people is achieved, and comfort;
15 one side outer wall fixedly connected with fixed plate 19 of hydraulic stem, 19 inner wall sliding connection of fixed plate has expansion plate 20, expansion plate 20 top is rotated and is connected with running-board 21, running-board 21 top outer wall fixedly connected with second cushion 22, 19 top outer wall threaded connection of fixed plate has second bolt 23, 19 top outer wall fixedly connected with stiffener 17 of fixed plate, stiffener 17 top and 2 bottom outer wall fixed connection of backup pad, running-board 21 through setting up expansion plate 20 top, can make people's foot put above, promote people's travelling comfort, through setting up expansion plate 20 and fixed plate 19 sliding connection, can adjust according to different shank length, and is convenient and practical, can increase the stability of fixed plate 19 and expansion plate 20 through setting up the stiffener 17, thereby the travelling comfort and the hommization of office chair have been promoted.
The working principle is as follows: in the idle position of the device, all driving parts in the above-mentioned, power supply referring to power elements, electric devices and adaptation is connected through wires, the specific connection means should refer to the following working principle, the electric devices complete electric connection in sequence, the detailed connection means is a known technology in the field, the following main introduces working principle and process, no description is made on electric control, the rotation shaft 12 is driven to rotate by setting the motor 14, so as to drive the plurality of rotating blocks 10 inside the bustle 5 to rotate, the positions of the rotating shafts 12 passing through each rotating block 10 are different, so that when the rotating blocks 10 have different rotating radiuses, the rotating blocks extrude the bustle 5, so that the bustle 5 can be controlled by the motor 14 to have different heights from top to bottom, the protection of different parts of the waist is realized, and the device has high practicability.
Example 2
Referring to fig. 2-3, the office chair with the lumbar pad adjusting device, one end of the support frame 16 is rotatably connected with a fixing ring 29, the inner wall of the fixing ring 29 is fixedly connected with the outer wall of the hydraulic rod 15, the outer wall of the bottom of the support frame 16 is fixedly connected with a connecting block 26, one end of the connecting block 26 is fixedly connected with a second spring 25, the other end of the second spring 25 is fixedly connected with the outer wall of the hydraulic rod 15, the bottom of the hydraulic rod 15 is fixedly connected with a plurality of third springs 28, the bottom of the third springs 28 is fixedly connected with a bottom plate 27, and the outer wall of.
The working principle is as follows: through setting up support frame 16 and solid fixed ring 29 and rotate the connection, and support frame 16 and hydraulic stem 15 pass through connecting block 26 and second spring 25 and connect, when the people sits on the chair, make the chair have certain elasticity, it is more comfortable when sitting down, and can prevent through setting up third spring 28 and bottom plate 27 that overweight people from causing the chair to sink seriously, play the purpose of protection ground and chair, make the chair have higher travelling comfort.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (7)
1. Office chair with waist cushion adjusting device, comprising a cushion (1), wherein the bottom of the cushion (1) is fixedly connected with a support plate (2), the bottom of the support plate (2) is fixedly connected with a hydraulic rod (15), the outer wall of the hydraulic rod (15) is fixedly connected with a support frame (16), the bottom of the support frame (16) is rotatably connected with a universal wheel (18), one end of the cushion (1) is rotatably connected with a backrest (6), the office chair is characterized in that the bottom of the cushion (1) is fixedly connected with a motor (14), the outer wall of the motor (14) is provided with a motor box (13), the top of the motor box (13) is fixedly connected with the bottom of the cushion (1), the top of the motor (14) is fixedly connected with a rotating shaft (12), the top of the cushion (1) is fixedly connected with a waist cushion (5), a plurality of rotating blocks (, the inner wall of the rotating block (10) is fixedly connected with the rotating shaft (12), and the rotating block (10) is rotatably connected with the motor (14) through the rotating shaft (12).
2. The office chair with the lumbar pad adjusting device according to claim 1, wherein a plurality of first springs (24) are fixedly connected to two ends of the rotating block (10), a first rubber pad (11) is fixedly connected to one end, far away from the rotating block (10), of each first spring (24), and the first rubber pad (11) is arranged in an arc shape.
3. The office chair with the lumbar pad adjusting device as claimed in claim 1, wherein the outer walls of the two sides of the cushion (1) are fixedly connected with the supporting rods (3), the top of the supporting rods (3) is fixedly connected with the armrests (4), the other ends of the armrests (4) are fixedly connected with the outer walls of the two sides of the backrest (6), one end of the backrest (6) is provided with a fixing rod (8), the outer walls of the fixing rod (8) are in threaded connection with a first bolt (9), the backrest (6) and the fixing rod (8) are in threaded connection through the first bolt (9), and the top of the fixing rod (8) is rotatably connected with a head pad (7).
4. The office chair with the lumbar pad adjusting device according to claim 1, wherein a fixing plate (19) is fixedly connected to the outer wall of one side of the hydraulic rod (15), an expansion plate (20) is slidably connected to the inner wall of the fixing plate (19), a pedal plate (21) is rotatably connected to the top of the expansion plate (20), and a second rubber pad (22) is fixedly connected to the outer wall of the top of the pedal plate (21).
5. The office chair with the lumbar pad adjusting device according to claim 4, wherein the outer wall of the top of the fixing plate (19) is connected with a second bolt (23) in a threaded manner, the outer wall of the top of the fixing plate (19) is fixedly connected with a reinforcing rod (17), and the top of the reinforcing rod (17) is fixedly connected with the outer wall of the bottom of the supporting plate (2).
6. The office chair with the lumbar pad adjusting device according to claim 1, wherein one end of the support frame (16) is rotatably connected with a fixing ring (29), the inner wall of the fixing ring (29) is fixedly connected with the outer wall of the hydraulic rod (15), the outer wall of the bottom of the support frame (16) is fixedly connected with a connecting block (26), one end of the connecting block (26) is fixedly connected with a second spring (25), and the other end of the second spring (25) is fixedly connected with the outer wall of the hydraulic rod (15).
7. The office chair with the lumbar cushion adjusting device according to claim 1 or 4, wherein a plurality of third springs (28) are fixedly connected to the bottom of the hydraulic rod (15), a bottom plate (27) is fixedly connected to the bottom of the third springs (28), and a third rubber cushion (30) is fixedly connected to the outer wall of the bottom plate (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020320960.7U CN211833630U (en) | 2020-03-16 | 2020-03-16 | Office chair with waist cushion adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020320960.7U CN211833630U (en) | 2020-03-16 | 2020-03-16 | Office chair with waist cushion adjusting device |
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| Publication Number | Publication Date |
|---|---|
| CN211833630U true CN211833630U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020320960.7U Active CN211833630U (en) | 2020-03-16 | 2020-03-16 | Office chair with waist cushion adjusting device |
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| CN (1) | CN211833630U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101031A (en) * | 2021-04-23 | 2021-07-13 | 陶金 | Lumbar vertebra fixing and supporting device for orthopedics department |
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2020
- 2020-03-16 CN CN202020320960.7U patent/CN211833630U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101031A (en) * | 2021-04-23 | 2021-07-13 | 陶金 | Lumbar vertebra fixing and supporting device for orthopedics department |
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