CN210008757U

CN210008757U - Office is with seat that can prevent lumbar muscle strain

Info

Publication number: CN210008757U
Application number: CN201822216882.1U
Authority: CN
Inventors: 王喜斌
Original assignee: Shanghai Imka Office Furniture Co Ltd
Current assignee: Shanghai Imka Office Furniture Co Ltd
Priority date: 2018-12-27
Filing date: 2018-12-27
Publication date: 2020-02-04
Anticipated expiration: 2028-12-27

Abstract

The utility model belongs to the technical field of office supplies technique and specifically relates to an office is with seat that can prevent lumbar muscle strain, including the seat support, the bottom surface mid-mounting of seat support has the support column. The utility model discloses promote the slide bar rebound with the help of compression spring, make inside the clearance that the bottom plate promoted the inserted bar and inserted the latch, realize the fixed of adjusting collar and handrail, when needs are adjusted, because the upper end of latch and inserted bar all is three horn shapes, and three horn shapes's hypotenuse one side is laminated each other, when the adjusting collar is to keeping away from backrest one side and removing, only need to promote hard and can realize adjusting, when the adjusting collar is to being close to backrest one side and removing, only need to stimulate the pull ring with the hand, drive bottom plate and inserted bar downstream, make the inserted bar break away from the latch constraint, the adjusting collar alright free slip this moment, the person of facilitating the use adjusts the position of waist support pad according to the position of sitting of custom, form the support protection to its waist, prevent to sit strain the.

Description

Office is with seat that can prevent lumbar muscle strain

Technical Field

The utility model relates to an office supplies technical field especially relates to an office is with seat that can prevent lumbar muscle strain.

Background

The office chair refers to various chairs which are convenient for work in daily work and social activities, refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and is convenient for a user to better handle work,

people often can buy a protection pad when current office uses seat and put the below at the back of the seat, form the support protection to the waist, but because everybody's position of sitting is different, often can keep away from the back of the seat, lead to the protection pad to lose effect, current back pad and seatpad are not convenient for change and use simultaneously, for this we propose a office with can prevent the seat of psoatic strain.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art, and providing a chair capable of preventing lumbar muscle strain for an office.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the design is a chair capable of preventing lumbar muscle strain for an office, and comprises a chair seat, wherein a support column is installed in the middle of the bottom surface of the chair seat, a tripod is fixedly installed at the lower end of the support column, a plurality of universal wheels are installed on the bottom surface of the tripod, two sliding grooves are symmetrically formed in the front side and the rear side of the chair seat, a seat cushion clamping plate is installed on the upper surface of the chair seat, a seat cushion is installed on the upper surface of the seat cushion clamping plate, two handrails are symmetrically installed on the front side and the rear side of the outer side wall of the chair seat, an adjusting sleeve is sleeved on the outer side wall of the upper end of each handrail, a fixed rod is installed on the inner side wall of each adjusting sleeve, a sliding block is fixedly installed at the lower end of each fixed rod, each fixed rod is connected with the chair seat through the, the right side wall of the back cushion clamping plate is provided with a back cushion.

Preferably, the open slot has been seted up to the inside wall bottom surface of handrail, the inside wall top of open slot is provided with intensive latch, the bottom plate is installed to the bottom surface of adjusting collar, the lower surface mid-mounting of bottom plate has the pull ring, the holding tank has been seted up to adjusting collar bottom portion, the upper surface middle part of bottom plate is close to the internally mounted of holding tank has the slide bar, the lateral wall cover of slide bar is equipped with compression spring, a plurality of inserted bars are installed to the last left and right sides symmetry of going up of bottom plate, the inserted bar runs through the bottom surface of adjusting collar, the latch is the triangle-shaped tooth, the upper end of inserted bar is three horn shapes, the adjusting collar with the handrail passes through the inserted bar with the latch joint is.

Preferably, the inner side wall of the fixing rod is connected with a plurality of elastic ropes, and one ends, far away from the fixing rod, of the elastic ropes are connected with waist protecting pads.

Preferably, a backrest clamping groove is formed in the seat backrest, the backrest cushion is connected with the seat backrest through the backrest cushion clamping plate and the backrest clamping groove in a clamped mode, a seat cushion clamping groove is formed in the seat base, and the seat cushion is connected with the seat cushion clamping plate and the seat cushion clamping groove in a clamped mode.

Preferably, the back pad is provided with two altogether, and two the back pad symmetry bonds and is in the lateral wall both sides of back pad cardboard, one the back pad is selected for use the bamboo pad, one the back pad is selected for use the cotton pad, the seatpad is provided with two altogether, and two the seatpad symmetry bonds and is in the lateral wall both sides of seatpad cardboard, one the bamboo pad is selected for use to the seatpad, one the seatpad is selected for use the cotton pad to the seatpad.

The utility model provides a pair of office is with seat that can prevent lumbar muscle strain, beneficial effect lies in:

the utility model discloses promote the slide bar rebound with the help of compression spring, make the bottom surface at the adjusting collar hugged closely to the bottom plate, thereby make the inserted bar insert inside the clearance of latch, realize the fixed of adjusting collar and handrail, when needs are adjusted, because the upper end of latch and inserted bar all is three horn shapes, and the hypotenuse one side of three horn shapes laminates each other, when the adjusting collar is to keeping away from back one side and removing, only need to promote hard and can realize adjusting, when the adjusting collar is to being close to back one side and removing, only need to stimulate the pull ring with the hand, drive bottom plate and inserted bar downstream, make the inserted bar break away from the latch constraint, the adjusting collar alright free slip this moment, the person of facilitating the use adjusts the position of waist support pad according to the position of sitting posture of custom, form the support protection to its waist, prevent to.

The utility model provides a back pad is fixed through back pad cardboard and back draw-in groove joint with the seat back, the seatpad passes through the seatpad cardboard with the seat support through the seatpad cardboard and is fixed with seat support draw-in groove joint, be convenient for install back pad and seatpad, the back pad is provided with two altogether, and two back pad symmetries bond in the lateral wall both sides of back pad cardboard, a back pad selects for use the bamboo pad, a back pad selects for use cotton pad, the seatpad also is provided with two altogether, and two seatpad symmetries bond in the lateral wall both sides of seatpad cardboard, a seatpad selects for use the bamboo pad, a seatpad selects for use the cotton pad, be convenient for according to demand and season transform, change the back pad and the.

Drawings

Fig. 1 is a schematic front view of a chair for preventing lumbar muscle strain in an office according to the present invention;

fig. 2 is a schematic right-view structural diagram of a chair for preventing lumbar muscle strain in an office according to the present invention;

fig. 3 is a schematic cross-sectional structural view of a backrest seat in an office chair for preventing lumbar muscle strain according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a part a of a chair for preventing lumbar muscle strain in an office.

In the figure: the backrest cushion comprises a backrest cushion 1, a backrest cushion clamping plate 2, a seat backrest 3, a waist support cushion 4, a fixing rod 5, a sliding block 6, a sliding groove 7, a supporting column 8, a universal wheel 9, a tripod 10, a seat 11, a seat cushion clamping plate 12, a seat cushion 13, armrests 14, an open slot 15, a latch 16, an adjusting sleeve 17, an elastic rope 18, a backrest clamping groove 19, a seat cushion clamping groove 20, a bottom plate 21, a pull ring 22, a sliding rod 23, an accommodating groove 24, an inserted rod 25 and a compression spring 26.

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.

Referring to fig. 1-4, an office is with seat that can prevent lumbar muscle strain, including seat support 11, the bottom surface mid-mounting of seat support 11 has support column 8, the lower extreme fixed mounting of support column 8 has tripod 10, a plurality of universal wheels 9 are installed to the bottom surface of tripod 10, two spouts 7 have been seted up to bilateral symmetry around the seat support 11, the last surface mounting of seat support 11 has seatpad cardboard 12, the last surface mounting of seatpad cardboard 12 has seatpad 13, back draw-in groove 19 has been seted up to the inside of seatback 3, back pad 1 is fixed through back pad cardboard 2 and back draw-in groove 19 joint with seatback 3, seat support draw-in groove 20 has been seted up to the inside of seat support 11, seatpad 13 is fixed through seatpad cardboard 12 and seat support draw-in groove 20 joint with seat support 11, be convenient for install.

Two armrests 14 are symmetrically installed on the front side and the rear side of the outer side wall of the seat 11, an open slot 15 is formed in the bottom surface of the inner side wall of the armrest 14, dense latch 16 is arranged above the inner side wall of the open slot 15, a bottom plate 21 is installed on the bottom surface of an adjusting sleeve 17, a pull ring 22 is installed in the middle of the lower surface of the bottom plate 21, an accommodating groove 24 is formed in the middle of the bottom of the adjusting sleeve 17, a slide rod 23 is installed in the middle of the upper surface of the bottom plate 21 close to the accommodating groove 24, a compression spring 26 is sleeved on the outer side wall of the slide rod 23, a plurality of insertion rods 25 are symmetrically installed on the left side and the right side of the upper surface of the bottom plate 21, the insertion rods 25 penetrate through the bottom surface of the adjusting sleeve 17, the latch 16 is triangular, the upper end of the insertion rods 25 is in a triangular shape, the adjusting sleeve 17 and the armrest 14, realize adjusting collar 17 and handrail 14 fixed, when needs are adjusted, because the upper end of latch 16 and inserted bar 25 all is the triangle-shaped form, and laminate each other in hypotenuse one side of triangle-shaped form, when adjusting collar 17 to keeping away from 3 one side movements of backrest, only need to promote hard and can realize adjusting, when adjusting collar 17 to being close to 3 one side movements of backrest, only need to stimulate pull ring 22 with the hand, drive bottom plate 21 and inserted bar 25 downstream, make inserted bar 25 break away from the latch 16 constraint, adjust collar 17 alright free slip this moment, the person of facilitating the use adjusts the position of waist pad 4 according to the position of sitting of custom, form the support protection to its waist, prevent to sit for a long time the lumbar muscle.

Handrail 14 is the L type, and the upper end lateral wall cover of handrail 14 is equipped with adjusting collar 17, and dead lever 5 is installed to the inside lateral wall of adjusting collar 17, and the inside wall of dead lever 5 is connected with a plurality of stretch cords 18, and the one end that the dead lever 5 was kept away from to stretch cord 18 is connected with waist support pad 4, forms a buffering connection structure with the help of stretch cord 18, and the waist support pad 4 of being convenient for forms the support protection to user's waist.

The lower extreme fixed mounting of dead lever 5 has slider 6, dead lever 5 passes through slider 6 and spout 7 sliding connection with seat support 11, seat back 3 is installed in the upper surface left side of seat support 11, back pad cardboard 2 is installed to seat back 3's right side wall, back pad 1 is installed to back pad cardboard 2's right side wall, back pad 1 is provided with two altogether, and two back pads 1 symmetry bonds in back pad cardboard 2's lateral wall both sides, a back pad 1 chooses the bamboo pad for use, a back pad 1 chooses the cotton pad for use, seatpad 13 is provided with two altogether, and two seatpads 13 symmetry bonds in the lateral wall both sides of seatpad cardboard 12, a seatpad 13 chooses the bamboo pad for use, a seatpad 13 chooses the cotton pad for use, be convenient for according to demand and season change, change the back pad 1 and the seatpad 13 of different grade type at will, the.

The working principle is as follows: when the chair is used, according to the sitting posture which is used by a user, the pull ring 22 is pulled by hand to drive the bottom plate 21 and the inserted bar 25 to move downwards, so that the inserted bar 25 is separated from the constraint of the latch 16, then the adjusting sleeve 17 is pushed to slide back and forth along the direction of the armrest 14, the fixed rod 5 is driven, the sliding block 6 is driven to slide back and forth along the sliding groove 7, so that the waist protection pad 4 fixedly connected with the fixed rod 5 through the elastic rope 18 is driven to move back and forth above the chair seat 11, the waist protection pad 4 is adjusted to a proper position, then the pull ring 22 is loosened, the sliding rod 23 is pushed to move upwards by the compression spring 26, so that the bottom plate 21 is tightly attached to the bottom surface of the adjusting sleeve 17, so that the inserted bar 25 is inserted into the gap of the latch 16, the fixing of the adjusting sleeve 17 and the armrest 14 is realized, the waist protection pad 14 can support and protect the waist, can take back pad 1 and seatpad 13 out, change the back pad 1 of different grade type at will with the help of the cooperation of back pad cardboard 2 and back draw-in groove 19, change the seatpad 13 of different grade type at will with the help of the cooperation of seatpad cardboard 12 and seat support draw-in groove 20, convenient to use.

The 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 utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an office is with seat that can prevent lumbar muscle strain, includes seat support (11), its characterized in that, the bottom surface mid-mounting of seat support (11) has support column (8), the lower extreme fixed mounting of support column (8) has tripod (10), a plurality of universal wheels (9) are installed to the bottom surface of tripod (10), two spouts (7) have been seted up to bilateral symmetry around seat support (11), the last surface mounting of seat support (11) has seatpad cardboard (12), the last surface mounting of seatpad cardboard (12) has seatpad (13), two handrail (14) are installed to bilateral symmetry around the lateral wall of seat support (11), handrail (14) are the L type, the upper end lateral wall cover of handrail (14) is equipped with adjusting sleeve (17), dead lever (5) are installed to the inside lateral wall of adjusting sleeve (17), the lower extreme fixed mounting of dead lever (5) has slider (6), dead lever (5) with seat support (11) pass through slider (6) with spout (7) sliding connection, seat back (3) are installed on the upper surface left side of seat support (11), back pad cardboard (2) is installed to the right side wall of seat back (3), back pad (1) is installed to the right side wall of back pad cardboard (2).

2. The office chair capable of preventing lumbar muscle strain according to claim 1, wherein an open slot (15) is formed in the bottom surface of the inner side wall of the armrest (14), dense latch teeth (16) are arranged above the inner side wall of the open slot (15), a bottom plate (21) is installed on the bottom surface of the adjusting sleeve (17), a pull ring (22) is installed in the middle of the lower surface of the bottom plate (21), an accommodating groove (24) is formed in the middle of the bottom of the adjusting sleeve (17), a slide rod (23) is installed in the middle of the upper surface of the bottom plate (21) and close to the accommodating groove (24), a compression spring (26) is sleeved on the outer side wall of the slide rod (23), a plurality of insertion rods (25) are symmetrically installed on the left side and the right side of the upper surface of the bottom plate (21), the insertion rods (25) penetrate through the bottom surface of the adjusting sleeve (17), the upper end of inserted bar (25) is triangle-shaped, adjust set (17) with handrail (14) pass through inserted bar (25) with latch (16) joint is fixed.

3. The office chair capable of preventing lumbar muscle strain as claimed in claim 1, wherein a plurality of elastic cords (18) are connected to the inner side wall of the fixing rod (5), and a waist support pad (4) is connected to one end of each elastic cord (18) far away from the fixing rod (5).

4. The office chair capable of preventing lumbar muscle strain according to claim 1, wherein a backrest clamping groove (19) is formed in the backrest (3), the backrest cushion (1) and the backrest (3) are fixed through the backrest cushion clamping plate (2) and the backrest clamping groove (19) in a clamping manner, a chair seat clamping groove (20) is formed in the chair seat (11), and the seat cushion (13) and the chair seat (11) are fixed through the seat cushion clamping plate (12) and the chair seat clamping groove (20) in a clamping manner.

5. The office chair capable of preventing lumbar muscle strain according to claim 1, wherein there are two backrest pads (1), two backrest pads (1) are symmetrically bonded to two sides of the outer side wall of the backrest pad clamping plate (2), one backrest pad (1) is selected from bamboo pads, one backrest pad (1) is selected from cotton pads, two seat cushions (13) are provided, two seat cushions (13) are symmetrically bonded to two sides of the outer side wall of the seat cushion clamping plate (12), one seat cushion (13) is selected from bamboo pads, and one seat cushion (13) is selected from cotton pads.