CN217039422U

CN217039422U - Lifting type combined chair

Info

Publication number: CN217039422U
Application number: CN202122176251.3U
Authority: CN
Inventors: 姚杨明
Original assignee: Qingdao Yaofuyuan Wood Industry Co ltd
Current assignee: Qingdao Yaofuyuan Wood Industry Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-07-26
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a lifting type combined chair, which comprises a bottom plate and a rotating rod, wherein a lifting mechanism is fixedly arranged on the bottom plate, the lifting mechanism comprises a rectangular plate and a fixed plate, a supporting plate is fixedly arranged on the fixed plate, when the height of the chair needs to be adjusted, firstly, the rotating plate is rotated to drive the rotating rod to rotate, the rotating rod drives a first gear to rotate, the first gear drives a second gear to rotate, the second gear drives a first screw to rotate, the first screw rotates to drive a rectangular block sleeved on the rectangular block to move upwards, the rectangular block moves upwards to drive a lifting plate to move upwards, the lifting plate moves upwards to finally realize the upward movement of the chair, the purpose of adjusting the height is achieved, the utility model discloses a chair which is separated from a threaded hole by rotating the second screw, then, a sleeve rod is pulled to lead the head of a person to be exactly rested on a headrest, and after the adjustment is completed, insert the second screw rod to the position that corresponds and fix, can change according to people's height to promote comfortable degree.

Description

Lifting type combined chair

Technical Field

The utility model relates to a lift type combination chair technical field specifically is a lift type combination chair.

Background

The chair is one of seats commonly used in daily life of people, a common chair consists of a chair back, a chair surface and chair legs, the chair legs are used for supporting the chair surface, when the chair is used, a human body sits on the chair surface, the back leans against the chair back, in order to improve the comfort level of the chair, armrests are further arranged on two sides of the chair surface, and the lifting chair is a novel chair and mainly consists of a seat plate, a backrest, a support rocker arm, a lifting positioning device and chair legs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lift type combination 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 lifting type combined chair comprises a bottom plate and a rotating rod, wherein a lifting mechanism is fixedly arranged on the bottom plate and comprises a rectangular plate and a fixed plate;

the fixed plate is fixedly provided with a supporting plate, the rectangular plate is fixedly connected to the bottom plate, the rotating rod is rotatably inserted on the rectangular plate, a first gear is sleeved on the rotating rod, a second gear is meshed with the first gear, a first screw rod is fixedly arranged on the second gear, the first screw rod penetrates through the supporting plate, a fixed block is fixedly arranged on the supporting plate, a lifting plate is movably inserted in the fixed block, a rectangular block is fixedly arranged on one side of the lifting plate, and the first screw rod is in threaded sleeve joint with the rectangular block;

the lifting mechanism is fixedly provided with a seat, the lifting plate is fixedly connected with the seat, and the seat is fixedly provided with an adjusting assembly.

Preferably, the adjusting component comprises a fixing rod, a loop bar, a threaded hole, a second screw rod and a backrest, the fixing rod is fixedly connected to the seat, the loop bar is movably sleeved in the fixing rod, the loop bar and the fixing rod are both provided with the threaded hole, the threaded hole is internally threaded with the second screw rod, and the backrest is fixedly arranged on the loop bar.

Preferably, the seat is fixedly provided with an armrest, the cross section of the armrest is L-shaped, and one end of the armrest is fixedly connected with the seat while the other end is fixedly connected with the fixing rod.

Preferably, the end part of the rotating rod is fixedly provided with a rotating disc, one side of the rotating disc is fixedly provided with a handle, the rotating disc is driven to rotate through rotating the handle, and finally the rotating rod is driven to rotate.

Preferably, the rectangular plate has an L-shaped cross section.

Preferably, a headrest is fixedly arranged on one side of the backrest, and the head of a person leans against the headrest, so that the comfort degree is improved.

Preferably, six threaded holes are formed in the sleeve rod, the threaded holes are distributed in the sleeve rod in an array mode, and after adjustment is completed, the second screw rods can be inserted to corresponding positions to be fixed.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the height of the seat needs to be adjusted, firstly, the rotary table is rotated to drive the rotary rod to rotate, the rotary rod drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the first screw rod to rotate, the first screw rod rotates to enable the rectangular block sleeved on the first screw rod to move upwards, the rectangular block moves upwards to drive the lifting plate to move upwards, and the lifting plate moves upwards to finally achieve the purpose of adjusting the height;

2. the utility model rotates the second screw rod to separate the second screw rod from the threaded hole, then pulls the loop bar, so that the head of a person can be rested on the headrest, and after the adjustment is completed, the second screw rod is inserted into the corresponding position to be fixed, and can be changed according to the height of the person, thereby improving the comfort degree;

drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic structural view of the adjusting assembly of the present invention;

FIG. 3 is a schematic view of the lifting mechanism of the present invention;

in the figure: 1. a base plate; 2. a lifting mechanism; 21. a rectangular plate; 22. a rotating rod; 221. a turntable; 23. a first gear; 24. a second gear; 25. a first screw; 26. a support plate; 27. a lifting plate; 271. a fixed block; 28. a rectangular block; 29. a fixing plate; 3. a seat; 31. a handrail; 4. an adjustment assembly; 41. fixing the rod; 42. a loop bar; 421. a threaded hole; 43. a second screw; 44. a backrest; 441. a headrest.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lifting type combined chair comprises a bottom plate 1 and a rotating rod 22, wherein a lifting mechanism 2 is fixedly arranged on the bottom plate 1, and the lifting mechanism 2 comprises a rectangular plate 21 and a fixing plate 29;

the fixed plate 29 is fixedly provided with a support plate 26, the rectangular plate 21 is fixedly connected to the bottom plate 1, the rotating rod 22 is rotatably inserted in the rectangular plate 21, the rotating rod 22 is sleeved with a first gear 23, the first gear 23 is engaged with a second gear 24, the second gear 24 is fixedly provided with a first screw 25, the rotating disc 221 is rotated to drive the rotating rod 22 to rotate, the rotating rod 22 rotates to drive the first gear 23 to rotate, the first gear 23 rotates to drive the second gear 24 to rotate, the second gear 24 rotates to drive the first screw 25 to rotate, the first screw 25 penetrates through the support plate 26, the support plate 26 is fixedly provided with a fixed block 271, a sliding groove is formed in the fixed block 271, the lifting plate 27 can slide along the inside of the sliding groove, the cross section of the fixed block 271 is concave, the lifting plate 27 is movably inserted in the fixed block 271, one side of the lifting plate 27 is fixedly provided with the rectangular block 28, the first screw 25 is sleeved on the rectangular block 28 in a threaded manner, the cross section of the rectangular block 28 is U-shaped, the first screw 25 rotates to enable the rectangular block 28 sleeved on the first screw to move upwards, the rectangular block 28 moves upwards to drive the lifting plate 27 to move upwards, and the lifting plate 27 moves upwards to finally realize the upward movement of the seat 3;

the lifting mechanism 2 is fixedly provided with a seat 3, the lifting plate 27 is fixedly connected with the seat 3, the seat 3 is lifted up and down through the up-down movement of the lifting plate 27, and the seat 3 is fixedly provided with an adjusting component 4.

As an embodiment of the present invention, the adjusting assembly 4 includes a fixing rod 41, a loop bar 42, a threaded hole 421, a second screw 43 and a backrest 44, the fixing rod 41 is fixedly connected to the seat 3, the loop bar 42 is sleeved on the fixing rod 41, the threaded hole 421 is provided on both the loop bar 42 and the fixing rod 41, a threaded hole 421 is provided on the fixing rod 41, all the other all the components are arranged on the loop bar 42, the second screw 43 is inserted into the threaded hole 421, the backrest 44 is fixedly provided on the loop bar 42, the second screw 43 is rotated to separate from the threaded hole 421, the loop bar 42 is pulled later, so that the head of the person can be rested on the headrest 441, after the adjustment is completed, the second screw 43 is inserted into the corresponding position to be fixed, and can be adjusted according to the height of the person, thereby improving the comfort degree.

As an embodiment of the present invention, the seat 3 is fixedly provided with an armrest 31, the armrest 31 has an L-shaped cross section, and one end of the armrest 31 is fixedly connected to the seat 3, and the other end is fixedly connected to the fixing rod 41.

As an embodiment of the present invention, the end fixing of the rotating rod 22 is provided with the rotating disc 221, the handle is fixed on one side of the rotating disc 221, the rotating disc 221 is driven to rotate by rotating the handle, and finally the rotating rod 22 is driven to rotate.

As an embodiment of the present invention, the cross-sectional shape of the rectangular plate 21 is "L" shape, so that the rotating rod 22 and the first screw 25 penetrate through the rectangular plate 21.

As an embodiment of the present invention, a headrest 441 is fixed on one side of the backrest 44, and the head of the person leans on the headrest 441 to improve the comfort level.

As an embodiment of the present invention, six threaded holes 421 are provided, and the array is distributed on the loop bar 42, and after the adjustment is completed, the second screw 43 can be inserted into the corresponding position for fixing.

The working principle is as follows: when the utility model is used, when the height of the seat 3 needs to be adjusted, firstly, the rotary disc 221 is rotated to drive the rotary rod 22 to rotate, the rotary rod 22 rotates to drive the first gear 23 to rotate, the first gear 23 rotates to drive the second gear 24 to rotate, the second gear 24 rotates to drive the first screw 25 to rotate, the first screw 25 rotates to drive the rectangular block 28 sleeved on the first screw to move upwards, the rectangular block 28 moves upwards to drive the lifting plate 27 to move upwards, the lifting plate 27 moves upwards to finally realize the upward movement of the seat 3, so as to achieve the purpose of adjusting the height, the fixing block 271 plays the purpose of assisting the lifting plate 27 to move upwards, when the height of the backrest 44 needs to be adjusted, firstly, the second screw 43 is rotated to be separated from the threaded hole 421, then the loop bar 42 is pulled, so that the head of a person can be exactly rested on the headrest 441, after the adjustment is completed, the second screw 43 is inserted into the corresponding position to be fixed, can be changed according to the height of a person, thereby improving the comfort degree.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A lifting type combined chair comprises a bottom plate (1) and a rotating rod (22), and is characterized in that a lifting mechanism (2) is fixedly arranged on the bottom plate (1), and the lifting mechanism (2) comprises a rectangular plate (21) and a fixed plate (29);

the fixing plate (29) is fixedly provided with a supporting plate (26), the rectangular plate (21) is fixedly connected to the bottom plate (1), the rotating rod (22) is rotatably inserted into the rectangular plate (21), the rotating rod (22) is sleeved with a first gear (23), the first gear (23) is meshed with a second gear (24), the second gear (24) is fixedly provided with a first screw (25), the first screw (25) penetrates through the supporting plate (26), the supporting plate (26) is fixedly provided with a fixing block (271), a lifting plate (27) is movably inserted into the fixing block (271), one side of the lifting plate (27) is fixedly provided with a rectangular block (28), and the first screw (25) is in threaded sleeve connection with the rectangular block (28);

the lifting mechanism (2) is fixedly provided with a seat (3), the lifting plate (27) is fixedly connected with the seat (3), and the seat (3) is fixedly provided with an adjusting component (4).

2. A lift-type combination chair as claimed in claim 1, wherein: adjusting part (4) include dead lever (41), loop bar (42), screw hole (421), second screw rod (43) and back (44), dead lever (41) fixed connection is on seat (3), loop bar (42) have been cup jointed in dead lever (41) internalization, all seted up screw hole (421) on loop bar (42) and dead lever (41), screw hole (421) internal thread is inserted and is equipped with second screw rod (43), fixed back (44) that are equipped with on loop bar (42).

3. A lift-type combination chair as claimed in claim 1, wherein: an armrest (31) is fixedly arranged on the seat (3), and the cross section of the armrest (31) is L-shaped.

4. A lift-type combination chair as claimed in claim 1, wherein: the end part of the rotating rod (22) is fixedly provided with a rotating disc (221), and one side of the rotating disc (221) is fixedly provided with a handle.

5. A lift-type combination chair as claimed in claim 1, wherein: the cross section of the rectangular plate (21) is L-shaped.

6. A lift-type combination chair as claimed in claim 2, wherein: a headrest (441) is fixedly arranged on one side of the backrest (44).

7. A lift-type combination chair as claimed in claim 2, wherein: six threaded holes (421) are formed and distributed on the loop bar (42) in an array mode.