CN209789147U

CN209789147U - Backrest linkage regulation type compression-resistant executive chair

Info

Publication number: CN209789147U
Application number: CN201920590831.7U
Authority: CN
Inventors: 黄跃龙
Original assignee: Anji Hetian Furniture Co Ltd
Current assignee: Anji Hetian Furniture Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-12-17
Anticipated expiration: 2029-04-26

Abstract

the utility model discloses a backrest linkage adjustment type compression-resistant executive chair, which comprises a supporting base, wherein a seat board is arranged on one side of the supporting base, an L-shaped backup plate is arranged on one side of the seat plate, a right-angle outlet of the L-shaped backup plate is connected with the seat plate through a first rotating shaft, an L-shaped support plate is arranged at one end of the seat plate far away from the L-shaped backup plate, a right angle of the L-shaped support plate is connected with the seat plate through a second rotating shaft, the L-shaped backup plate is connected with the two sides of the L-shaped support plate through cross rods, the two ends of each cross rod are respectively connected with the L-shaped backup plate and the L-shaped support plate through movable bolts, the novel telescopic cross rod is characterized in that the cross rods are connected through fixing rods, sleeves are arranged in the middles of the fixing rods, sliding rods are arranged in the middles of the sleeves, a strip-shaped plate is arranged on one side of each sliding rod, and a sliding groove is formed in the middle of one side of each strip-shaped plate. Has the advantages that: the gravity center of the body can be adjusted to move backwards, so that the fatigue caused by long-time sitting and standing is avoided, and the comfort level is increased.

Description

Backrest linkage regulation type compression-resistant executive chair

Technical Field

The utility model relates to a design field of executive chair particularly, relates to a back linkage regulation type resistance to compression executive chair.

Background

the executive chair is one of a plurality of office furniture series, the comfort level of most of the existing executive chairs is increased on the shape, the material and the elastic design of a backrest, the fatigue caused by long-time invariance of a single sitting posture cannot be caused, the gravity center distribution of all parts of a human body cannot be independently and conveniently changed, and how to provide the backrest linkage adjustment type compression-resistant executive chair is used for solving the problems.

an effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

an object of the utility model is to provide a back linkage regulation type resistance to compression executive chair to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a backrest linkage adjustment type compression-resistant executive chair comprises a supporting base, wherein a seat plate is arranged on one side of the supporting base, an L-shaped backup plate is arranged on one side of the seat plate, a right-angle outlet of the L-shaped backup plate is connected with the seat plate through a first rotating shaft, an L-shaped supporting plate is arranged at one end, away from the L-shaped backup plate, of the seat plate, a right-angle outlet of the L-shaped supporting plate is connected with the seat plate through a second rotating shaft, the L-shaped backup plate is connected with two sides of the L-shaped supporting plate through cross rods, two ends of each cross rod are respectively connected with the L-shaped backup plate and the L-shaped supporting plate through movable bolts, the cross rods are connected through fixed rods, a sleeve is arranged in the middle of each fixed rod, a sliding rod is arranged in the middle of the sleeve, a strip-shaped plate is arranged on one side of the sliding rod, one side and the slide bar fixed connection of slider, a side of slider is equipped with first rack board, first rack board meshes with the second rack board mutually, the second rack board is kept away from one side of first rack board is equipped with the pull pole, the pull pole runs through support the base, be located between second rack board and the support base the cover is equipped with compression spring on the pull pole.

Furthermore, damping springs are arranged on two sides of the inside of the sliding groove.

Furthermore, a limiting plate is arranged at one end, away from the sliding block, of the sliding rod, and a buffer spring is arranged between the limiting plate and the sleeve.

Furthermore, one side of the strip-shaped plate is fixedly connected with the supporting base through a supporting column.

Furthermore, one side of the supporting base is provided with a movable wheel.

Furthermore, the both sides of bedplate all are equipped with the handrail, one side of bedplate, L shape backup pad and L shape backup pad all is equipped with the slab pad.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) The right angle outlet of the L-shaped backup plate is connected with the seat plate through the first rotating shaft, so that the L-shaped backup plate can rotate around the first rotating shaft conveniently, the angle change between the L-shaped backup plate and the seat plate can be realized, the comfort level of leaning against the L-shaped backup plate by the back is increased, the gravity center of the body can be adjusted to move backwards, the ache of the spine of the body caused by long-time vertical sitting is avoided, and the comfort level of the user is greatly increased;

(2) The right angle outlet of the L-shaped supporting plate is connected with the seat plate through a second rotating shaft, the second rotating shaft facilitates angle adjustment between the L-shaped supporting plate and the seat plate, the back of a person leans against the L-shaped backup plate while the center of gravity moves backwards, and meanwhile, the legs and the feet can be lifted, so that the legs and the feet are prevented from being vertically placed, and the comfort is greatly improved;

(3) Mesh between first rack board and the second rack board to avoid the slider in the motion of the inside of spout, thereby can realize the stability after the angle modulation, the stability of resistance to compression between greatly increased L shape backup plate and the bedplate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a backrest linkage adjustment type compression-resistant executive chair according to an embodiment of the present invention;

Fig. 2 is a schematic structural view of a first rack plate and a second rack plate in a backrest linkage adjustment type compression-resistant executive chair according to an embodiment of the invention;

Fig. 3 is an enlarged view at a in fig. 1.

Reference numerals:

1. A support base; 2. a seat plate; 3. an L-shaped backup plate; 4. a first rotating shaft; 5. an L-shaped support plate; 6. a second rotating shaft; 7. a cross bar; 8. a movable bolt; 9. fixing the rod; 10. a sleeve; 11. a slide bar; 12. a strip plate; 13. a chute; 14. a slider; 15. a first rack plate; 16. a pull rod; 17. a compression spring; 18. a damping spring; 19. a limiting plate; 20. a buffer spring; 21. a support pillar; 22. a moving wheel; 23. a handrail; 24. a plate pad; 25. a second rack plate.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

The first embodiment is as follows:

referring to fig. 1-3, a backrest linkage adjustment type compression-resistant executive chair according to an embodiment of the present invention comprises a supporting base 1, a seat plate 2 is disposed on one side of the supporting base 1, an L-shaped backup plate 3 is disposed on one side of the seat plate 2, so that a user can conveniently sit on the seat plate 2 and can support the chair by the backup plate, a right angle of the L-shaped backup plate 3 is connected with the seat plate 2 through a first rotating shaft 4, so that the L-shaped backup plate 3 can rotate around the first rotating shaft 4, and simultaneously the angle change between the L-shaped backup plate 3 and the seat plate 2 can be realized, thereby increasing the comfort level of the back leaning against the L-shaped backup plate 3, adjusting the gravity center of the body to move backwards, avoiding the long-time vertical sitting to cause soreness to the spine of the body, greatly increasing the comfort level of the user, and an L-shaped backup plate 5 is disposed at one end of the seat plate 2 away from the L-shaped backup plate, the right angle of the L-shaped supporting plate 5 is connected with the seat plate 2 through a second rotating shaft 6, the second rotating shaft 6 facilitates angle adjustment between the L-shaped supporting plate 5 and the seat plate 2, the back of a person can lean against the L-shaped backup plate 3 when the center of gravity moves backwards, and simultaneously legs can be lifted, so that the legs are prevented from being vertically placed, the comfort is greatly improved, the L-shaped backup plate 3 is connected with two sides of the L-shaped supporting plate 5 through cross rods 7, the cross rods can simultaneously drive the L-shaped backup plate 3 and the L-shaped supporting plate 5 to adjust the angle, the two ends of each cross rod 7 are respectively connected with the L-shaped backup plate 3 and the L-shaped supporting plate 5 through movable bolts 8, the cross rods 7 are connected through fixed rods 9, a sleeve 10 is arranged in the middle of each fixed rod 9, the fixed rods 9 can fix the sleeve 10, a sliding rod 11 is arranged in the middle of each sleeve 10, the sleeve 10 can move up and down on the sliding rod 11, one side of the sliding rod 11 is provided with a strip-shaped plate 12, the middle of one side of the strip-shaped plate 12 is provided with a sliding groove 13, a sliding block 14 is arranged inside the sliding groove 13, one side of the sliding block 14 is fixedly connected with the sliding rod 11, one side edge of the sliding block 14 is provided with a first rack plate 15, the first rack plate 15 is meshed with a second rack plate 25, one side, far away from the first rack plate 15, of the second rack plate 25 is provided with a pull rod 16, the pull rod 16 penetrates through the supporting base 1, a compression spring 17 is sleeved on the pull rod 16 between the second rack plate 25 and the supporting base 1, when the pull rod 16 is pulled, the first rack plate 15 and the second rack plate 25 are separated, a user sits on the seat plate 2 and presses the L-shaped backup plate 3 backwards, so that the movement of driving the cross bar 7 can be realized, the horizontal pole 7 will drive sleeve 10 and move on slide bar 11, will stimulate slide bar 11 simultaneously and make slider 14 at the inside motion of spout 13, change to the messenger user and feel comfortable back when the angle between L shape backup pad 3 and L shape backup pad 5 and bedplate 2, loosen pulling to pull pole 16, compression spring 17 will cause to promote extruded state to second rack plate 25 simultaneously, make and mesh between first rack plate 15 and the second rack plate 25, thereby the motion of slider 14 in the inside of spout 13 has been avoided, thereby can realize the stability after the angle modulation, the stability of resistance to compression between greatly increased L shape backup pad 3 and bedplate 2.

example two:

Referring to fig. 1, for the sliding chute 13, the damping springs 18 are disposed on both sides of the inside of the sliding chute 13, and can perform a damping function on the sliding block 14, so as to prevent the sliding block 14 from colliding with the inner wall of the sliding chute 13.

Example three:

referring to fig. 1, for the sliding rod 11, a limiting plate 19 is disposed at an end of the sliding rod 11 away from the sliding block 14, and a buffer spring 20 is disposed between the limiting plate 19 and the sleeve 10, so as to prevent the sleeve 10 from sliding off the sliding rod 11, increase safety, and prevent the sleeve 10 from striking the buffer spring 20 between the limiting plate 19 and the sleeve 10 to achieve a shock absorption effect.

example four:

Referring to fig. 1, for the strip-shaped plate 12, one side of the strip-shaped plate 12 is fixedly connected to the supporting base 1 through the supporting column 21, and the supporting column 21 can support the strip-shaped plate 12 to prevent the strip-shaped plate 12 from being suspended.

Example five:

referring to fig. 1, for the supporting base 1, a moving wheel 22 is disposed at one side of the supporting base 1 for facilitating movement.

Example six:

Referring to fig. 1, for the seat board 2, handrails 23 are disposed on both sides of the seat board 2, and a plate pad 24 is disposed on one side of the seat board 2, the L-shaped backup plate 3 and the L-shaped support plate 5 to increase the comfort of the user.

In summary, with the above technical solution of the present invention, when a user sits on the seat board, the angle needs to be adjusted, and the center of gravity of the body changes, first the pull rod 16 is pulled, the first rack plate 15 and the second rack plate 25 will be separated, the user sits on the seat board 2, and presses the L-shaped backup plate 3 backwards, so as to realize the movement of the cross rod 7, the cross rod 7 will drive the sleeve 10 to move on the slide rod 11, and at the same time, the slide rod 11 will be pulled to move the slider 14 inside the sliding slot 13, when the angles between the L-shaped backup plate 3, the L-shaped backup plate 5 and the seat board 2 change to make the user feel comfortable, the pull rod 16 is released, and the compression spring 17 will push and squeeze the second rack plate 25, so as to engage the first rack plate 15 and the second rack plate 25, thereby avoiding the movement of the slider 14 inside the sliding slot 13, thereby can realize the stability after the angle modulation, the stability of resistance to compression between greatly increased L shape backup plate 3 and bedplate 2.

although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The backrest linkage adjustment type compression-resistant executive chair is characterized by comprising a supporting base (1), wherein a seat board (2) is arranged on one side of the supporting base (1), an L-shaped backup plate (3) is arranged on one side of the seat board (2), a right-angle outlet of the L-shaped backup plate (3) is connected with the seat board (2) through a first rotating shaft (4), an L-shaped supporting plate (5) is arranged at one end, far away from the L-shaped backup plate (3), of the seat board (2), the right-angle outlet of the L-shaped supporting plate (5) is connected with the seat board (2) through a second rotating shaft (6), the L-shaped backup plate (3) is connected with two sides of the L-shaped supporting plate (5) through transverse rods (7), two ends of the transverse rods (7) are respectively connected with the L-shaped backup plate (3) and the L-shaped supporting plate (5) through movable bolts (8), and the transverse rods (7) are connected with each other through fixing rods (9), a sleeve (10) is arranged in the middle of the fixed rod (9), a sliding rod (11) is arranged in the middle of the sleeve (10), a strip-shaped plate (12) is arranged at one side of the sliding rod (11), a sliding groove (13) is arranged in the middle of one side of the strip-shaped plate (12), a sliding block (14) is arranged in the sliding groove (13), one side of the sliding block (14) is fixedly connected with the sliding rod (11), a first rack plate (15) is arranged on one side of the sliding block (14), the first rack plate (15) is meshed with the second rack plate (25), a drawing rod (16) is arranged on one side of the second rack plate (25) far away from the first rack plate (15), the drawing rod (16) penetrates through the supporting base (1), and a compression spring (17) is sleeved on the drawing rod (16) and located between the second rack plate (25) and the supporting base (1).

2. The backrest linkage adjustment type compression-resistant executive chair as claimed in claim 1, characterised in that the inside of the sliding chute (13) is provided with damping springs (18) on both sides.

3. The backrest linkage adjusting type compression-resistant executive chair as claimed in claim 1, wherein a limiting plate (19) is arranged at one end of the sliding rod (11) far away from the sliding block (14), and a buffer spring (20) is arranged between the limiting plate (19) and the sleeve (10).

4. The backrest linkage adjusting type compression-resistant executive chair as claimed in claim 1, characterised in that one side of the strip-shaped plate (12) is fixedly connected with the supporting base (1) through a supporting column (21).

5. the backrest linkage adjustment type compression-resistant executive chair as claimed in claim 1, characterised in that one side of the support base (1) is provided with a moving wheel (22).

6. the backrest linkage adjustment type compression-resistant executive chair as claimed in claim 1, characterised in that armrests (23) are arranged on both sides of the seat plate (2), and plate cushions (24) are arranged on one side of the seat plate (2), the L-shaped backup plate (3) and the L-shaped support plate (5).