CN213820605U

CN213820605U - Chair convenient to lift waist and lean on

Info

Publication number: CN213820605U
Application number: CN202022723383.9U
Authority: CN
Inventors: 张正权; 马兵; 马洋
Original assignee: Anhui Jinbaoma Furniture Group Co ltd
Current assignee: Anhui Jinbaoma Furniture Group Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-30
Anticipated expiration: 2030-11-23

Abstract

The utility model belongs to the technical field of chairs, in particular to a chair convenient for lifting a waist rest, which aims at solving the problems that the height and the angle of the existing waist rest can not be adjusted and the use requirement can not be met, the following proposal is proposed, it includes that cushion and waist lean on, the top of cushion is rotated and is installed the backup pad, the outside slidable mounting of backup pad has the mounting panel, the waist leans on with mounting panel fixed connection, the bottom of mounting panel has been seted up and has been supported the groove, the backup pad with support groove sliding connection, the left side of mounting panel is rotated and is installed the plectane, the sliding tray has been seted up on the right side of plectane, the inner wall of sliding tray sets up for the slope, slidable mounting has the sliding block in the sliding tray, the right side fixed mounting of sliding block has the top hypotenuse pole, top hypotenuse pole and mounting panel sliding connection, a plurality of top hypotenuse grooves have been seted up in the left side of backup pad, top hypotenuse pole and the one-way joint in top hypotenuse groove. The utility model discloses a waist is by carrying out height and angle and adjusting, can satisfy the user demand.

Description

Chair convenient to lift waist and lean on

Technical Field

The utility model relates to a chair technical field especially relates to a chair convenient to lift waist is leaned on.

Background

The chair is a daily-life furniture, a seat with a backrest and armrests. Modern chairs pursue beauty and fashion, some chairs are not only seats but also more technologies, so that people are more convenient, the chair comprises a backrest, and the position of the arranged waist rest can not be adjusted generally.

The height and the angle of the existing waist support cannot be adjusted, and the use requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems that the height and the angle of the existing waist rest can not be adjusted, and the using requirement can not be satisfied, and providing a chair convenient for lifting the waist rest.

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

the utility model provides a chair convenient to lift waist is leaned on, lean on including cushion and waist, the top of cushion is rotated and is installed the backup pad, the outside slidable mounting of backup pad has the mounting panel, the waist leans on with mounting panel fixed connection, the bottom of mounting panel has been seted up and has been supported the groove, the backup pad with support groove sliding connection, the left side of mounting panel is rotated and is installed the plectane, the sliding tray has been seted up on the right side of plectane, the inner wall of sliding tray sets up for the slope, slidable mounting has the sliding block in the sliding tray, the right side fixed mounting of sliding block has the top hypotenuse pole, top hypotenuse pole and mounting panel sliding connection, a plurality of top hypotenuse grooves have been seted up in the left side of backup pad, top hypotenuse pole and the one-way joint in top hypotenuse groove, the top of cushion is rotated and is installed threaded sleeve, threaded sleeve female connection has the threaded rod, the end of threaded rod is rotated with the left side of backup pad and is connected.

Preferably, the circular slot has been seted up in the left side of mounting panel, and the pole is installed to the circular slot internal rotation, and pole and plectane fixed mounting, the outside cover of pole are equipped with torque spring, torque spring's one end and pole fixed mounting, torque spring's the other end and the inner wall fixed mounting of circular slot, the left side fixed mounting of plectane has the bracelet.

Preferably, the left side of the mounting plate is provided with a sliding hole, the top bevel edge rod is connected with the sliding hole in a sliding manner, the bottom of the top bevel edge rod is provided with an elastic groove, an elastic block is slidably mounted in the elastic groove, and the same spring is fixedly mounted between the elastic block and the elastic groove.

Preferably, equal fixed mounting has spacing on the both sides inner wall of sliding tray, and the breach has all been seted up to the both sides of sliding block, two spacing respectively with two breach sliding connection.

Preferably, the top of cushion is rotated and is installed the turning block, and the turning block rotates with threaded sleeve and is connected, and threaded sleeve's the fixed cover in outside is equipped with the antiskid cover.

Compared with the prior art, the utility model has the advantages of:

(1) when the height of the waist rest needs to be adjusted upwards, the mounting plate drives the waist rest to move upwards, the top bevel edge rod is extruded to leave the top bevel edge groove, elasticity is provided for the top bevel edge rod through the spring, the top bevel edge rod enters the corresponding top bevel edge groove, the supporting plate and the mounting plate can be fixed, the waist rest can be fixed, when the height of the waist rest needs to be adjusted downwards, the hand ring is rotated to drive the circular plate to rotate, the circular plate extrudes the sliding block to move through the sliding groove, the sliding block drives the top bevel edge rod to leave the supporting plate, the fixing of the supporting plate can be released, and the heights of the mounting plate and the waist rest can be adjusted downwards;

(2) torsion spring provides the elasticity that resets for round bar and plectane, when needing the angle of regulation backup pad, drives the screw sleeve through the antiskid cover and rotates, and the screw sleeve drives the threaded rod and removes, and the threaded rod can promote the backup pad and carry out angle modulation, can satisfy the angle that backup pad, mounting panel and waist leaned on, can satisfy the user demand.

The utility model discloses a waist is by carrying out height and angle and adjusting, can satisfy the user demand.

Drawings

Fig. 1 is a schematic structural view of a chair convenient for lifting a lumbar support according to the present invention;

fig. 2 is a schematic structural view of a part a of a chair convenient for lifting and lowering a lumbar support according to the present invention;

fig. 3 is a schematic structural view of a part B of a chair convenient for lifting and lowering a lumbar support according to the present invention;

fig. 4 is a schematic perspective view of a circular plate of a chair convenient for lifting and lowering the lumbar support according to the present invention.

In the figure: 1. a cushion; 2. a support plate; 3. mounting a plate; 4. a support groove; 5. a waist support; 6. a threaded rod; 7. rotating the block; 8. a threaded sleeve; 9. an anti-slip sleeve; 10. a circular plate; 11. a bracelet; 12. a round bar; 13. a torsion spring; 14. a circular groove; 15. a sliding groove; 16. a slider; 17. a limiting strip; 18. an elastic block; 19. an elastic groove; 20. a spring; 21. a top bevel groove; 22. a top bevel bar.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-4, a chair convenient for lifting waist rest comprises a cushion 1 and a waist rest 5, wherein a supporting plate 2 is rotatably installed at the top of the cushion 1, a mounting plate 3 is slidably installed at the outer side of the supporting plate 2, the waist rest 5 is fixedly connected with the mounting plate 3 through screws, a supporting groove 4 is formed in the bottom of the mounting plate 3, the supporting plate 2 is slidably connected with the supporting groove 4, a circular plate 10 is rotatably installed at the left side of the mounting plate 3, a sliding groove 15 is formed in the right side of the circular plate 10, the inner wall of the sliding groove 15 is obliquely arranged, a sliding block 16 is slidably installed in the sliding groove 15, a top bevel rod 22 is fixedly installed at the right side of the sliding block 16 through welding, the top bevel rod 22 is slidably connected with the mounting plate 3, a plurality of top bevel grooves 21 are formed in the left side of the supporting plate 2, the top bevel rod 22 is in one-way clamped connection with the top bevel grooves 21, a threaded sleeve 8 is rotatably installed at the top of the cushion 1, threaded sleeve 8 internal thread is connected with threaded rod 6, and the end of threaded rod 6 is connected with the left side of backup pad 2 is rotated.

In this embodiment, circular slot 14 has been seted up on the left side of mounting panel 3, circle pole 12 is installed to the rotation in circular slot 14, circle pole 12 passes through welded fastening installation with plectane 10 through the welding, the outside cover of circle pole 12 is equipped with torsion spring 13, torsion spring 13's one end passes through welded fastening installation with pole 12 through the welding, torsion spring 13's the other end passes through welded fastening installation with the inner wall of circular slot 14 through the welding, bracelet 11 is installed through welded fastening through the welding in the left side of plectane 10.

In this embodiment, a sliding hole is formed in the left side of the mounting plate 3, the top bevel rod 22 is connected with the sliding hole in a sliding manner, the elastic groove 19 is formed in the bottom of the top bevel rod 22, the elastic block 18 is installed in the elastic groove 19 in a sliding manner, and the elastic block 18 and the elastic groove 19 are fixedly welded to each other by welding to form the same spring 20.

In this embodiment, all there is spacing 17 through welded fastening installation on the both sides inner wall of sliding tray 15 through the welding, and the breach has all been seted up to sliding block 16's both sides, two spacing 17 respectively with two breach sliding connection.

In this embodiment, the top of cushion 1 is rotated and is installed turning block 7, and turning block 7 rotates with threaded sleeve 8 and is connected, and threaded sleeve 8's the fixed cover in outside is equipped with antiskid cover 9.

Example two

Referring to fig. 1-4, a chair convenient for lifting waist rest comprises a cushion 1 and a waist rest 5, wherein a supporting plate 2 is rotatably installed at the top of the cushion 1, a mounting plate 3 is slidably installed at the outer side of the supporting plate 2, the waist rest 5 is fixedly connected with the mounting plate 3, a supporting groove 4 is formed in the bottom of the mounting plate 3, the supporting plate 2 is slidably connected with the supporting groove 4, a circular plate 10 is rotatably installed at the left side of the mounting plate 3, a sliding groove 15 is formed in the right side of the circular plate 10, the inner wall of the sliding groove 15 is obliquely arranged, a sliding block 16 is slidably installed in the sliding groove 15, a top bevel rod 22 is fixedly installed at the right side of the sliding block 16, the top bevel rod 22 is slidably connected with the mounting plate 3, a plurality of top bevel grooves 21 are formed in the left side of the supporting plate 2, the top bevel rod 22 is in one-way clamped connection with the top bevel grooves 21, a threaded sleeve 8 is rotatably installed at the top of the cushion 1, the threaded sleeve 8 is connected with a threaded rod 6, the end of the threaded rod 6 is rotatably connected with the left side of the supporting plate 2.

In this embodiment, a circular groove 14 is formed in the left side of the mounting plate 3, a circular rod 12 is rotatably mounted in the circular groove 14, the circular rod 12 is fixedly mounted with the circular plate 10, a torsion spring 13 is sleeved on the outer side of the circular rod 12, one end of the torsion spring 13 is fixedly mounted with the circular rod 12, the other end of the torsion spring 13 is fixedly mounted with the inner wall of the circular groove 14, a bracelet 11 is fixedly mounted on the left side of the circular plate 10, and the torsion spring 13 provides a reset torsion force for the circular rod 12 and the circular plate 10.

In this embodiment, the slide hole has been seted up on the left side of mounting panel 3, top bevel pole 22 and slide hole sliding connection, and elastic groove 19 has been seted up to the bottom of top bevel pole 22, and slidable mounting has elasticity piece 18 in elastic groove 19, and fixed mounting has same spring 20 between elasticity piece 18 and the elastic groove 19, and spring 20 is under the supporting role of elasticity piece 18 for top bevel pole 22 can get into in top bevel groove 21.

In this embodiment, equal fixed mounting has spacing 17 on the both sides inner wall of sliding tray 15, and the breach has all been seted up to sliding block 16's both sides, two spacing 17 respectively with two breach sliding connection, spacing 17 and breach sliding connection can be so that sliding block 16 slides in sliding tray 15, sliding tray 15's inner wall sets up for the slope, and the rotatory sliding block 16 that can move takes place horizontal migration.

In this embodiment, the top of cushion 1 is rotated and is installed turning block 7, and turning block 7 rotates with threaded sleeve 8 and is connected, and the fixed cover in the outside of threaded sleeve 8 is equipped with anti-skidding cover 9, and anti-skidding cover 9 can increase threaded sleeve 8's frictional force.

In this embodiment, when the height of the lumbar support 5 needs to be adjusted upwards, the mounting plate 3 drives the lumbar support 5 to move upwards, the top bevel rod 22 is extruded to leave the top bevel groove 21, the spring 20 provides elasticity for the top bevel rod 22, so that the top bevel rod 22 enters the corresponding top bevel groove 21, the support plate 2 and the mounting plate 3 can be fixed, the lumbar support 5 can be fixed, when the height of the lumbar support 5 needs to be adjusted downwards, the rotary bracelet 11 drives the circular plate 10 to rotate, the circular plate 10 extrudes the sliding block 16 to move through the sliding groove 15, the sliding block 16 drives the top bevel rod 22 to leave the support plate 2, the fixing of the support plate 2 can be released, the heights of the mounting plate 3 and the lumbar support 5 can be adjusted downwards, after the adjustment is proper, the torsion spring 13 provides reset elasticity for the circular rod 12 and the circular plate 10, when the angle of the support plate 2 needs to be adjusted, the threaded sleeve 8 is driven to rotate through the anti-slip sleeve 9, threaded sleeve 8 drives threaded rod 6 and removes, and threaded rod 6 can promote backup pad 2 and carry out angle modulation, can satisfy backup pad 2, mounting panel 3 and the waist and lean on the angle of 5, can satisfy the user demand, and all structures in this application all can carry out the selection of material and length according to the in-service use condition, and the drawing is the schematic structure picture, and proper adjustment can be made to specific actual size.

The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.

Claims

1. The utility model provides a chair convenient to lift waist and lean on, including cushion (1) and waist lean on (5), a serial communication port, the top of cushion (1) is rotated and is installed backup pad (2), the outside slidable mounting of backup pad (2) has mounting panel (3), waist leans on (5) and mounting panel (3) fixed connection, support groove (4) have been seted up to the bottom of mounting panel (3), backup pad (2) and support groove (4) sliding connection, the left side of mounting panel (3) is rotated and is installed plectane (10), sliding tray (15) have been seted up on the right side of plectane (10), the inner wall of sliding tray (15) is the slope setting, slidable mounting has sliding block (16) in sliding tray (15), the right side fixed mounting of sliding block (16) has top sloping pole (22), top sloping pole (22) and mounting panel (3) sliding connection;

a plurality of top bevel grooves (21) have been seted up in the left side of backup pad (2), top bevel pole (22) and the one-way joint of top bevel groove (21), and threaded sleeve (8) are installed in the top rotation of cushion (1), and threaded sleeve (8) female connection has threaded rod (6), and the end of threaded rod (6) is rotated with the left side of backup pad (2) and is connected.

2. The chair convenient to lift waist and lean on of claim 1, characterized in that, circular slot (14) have been seted up on the left side of mounting panel (3), and circular pole (12) are installed to circular slot (14) internal rotation, and circular pole (12) and plectane (10) fixed mounting, and the outside cover of circular pole (12) is equipped with torsion spring (13), torsion spring (13) one end and circular pole (12) fixed mounting, torsion spring (13) the other end and the inner wall fixed mounting of circular slot (14), the left side fixed mounting of plectane (10) has bracelet (11).

3. The chair convenient for lifting and lowering the waist rest as claimed in claim 1, wherein a slide hole is formed in the left side of the mounting plate (3), the top bevel edge rod (22) is slidably connected with the slide hole, an elastic groove (19) is formed in the bottom of the top bevel edge rod (22), an elastic block (18) is slidably mounted in the elastic groove (19), and the same spring (20) is fixedly mounted between the elastic block (18) and the elastic groove (19).

4. The chair convenient for lifting and lowering the lumbar support according to claim 1, wherein the inner walls of the two sides of the sliding groove (15) are fixedly provided with limiting strips (17), the two sides of the sliding block (16) are provided with notches, and the two limiting strips (17) are respectively connected with the two notches in a sliding manner.

5. The chair convenient for lifting and lowering the lumbar support according to claim 1, wherein a rotating block (7) is rotatably mounted at the top of the cushion (1), the rotating block (7) is rotatably connected with a threaded sleeve (8), and an anti-slip sleeve (9) is fixedly sleeved on the outer side of the threaded sleeve (8).