CN220384691U

CN220384691U - Backrest chair

Info

Publication number: CN220384691U
Application number: CN202322141519.9U
Authority: CN
Inventors: 周怀强
Original assignee: Qingdao Derun Wanhe Home Furnishing Co ltd
Current assignee: Qingdao Derun Wanhe Home Furnishing Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-01-26
Anticipated expiration: 2033-08-10

Abstract

The utility model relates to the technical field of chairs and discloses a backrest chair, which comprises a main body mechanism, a supporting mechanism and a protection mechanism, wherein the supporting mechanism is positioned at the upper end of the main body mechanism, the protection mechanism is positioned at the upper end of the supporting mechanism, the main body mechanism comprises a backrest chair body, a supporting plate and a pushing rod I, the supporting plate is fixedly arranged at the lower end of the backrest chair body, and the pushing rod I is fixedly arranged at the lower end of the supporting plate; the main body mechanism further comprises an electric push rod, a base, a rubber pad, a mounting groove, a hydraulic cylinder, a push rod II and universal wheels, wherein the electric push rod is fixedly arranged at the lower end of the push rod I, and the transmission end of the electric push rod is fixedly connected with the push rod I. This back chair, through installation main part mechanism, be convenient for adjust the height of back chair according to user's height, satisfied people's demand, improved adaptability, be convenient for remove the back chair through the universal wheel, saved the step of user's transport.

Description

Backrest chair

Technical Field

The utility model relates to the technical field of chairs, in particular to a backrest chair.

Background

In daily life of people, a backrest chair is often used, and the backrest chair can support the back of the people, does not generate a backward tilting feeling, is very comfortable to use and is used in places such as public places, hospitals, restaurants, hotels, companies, families and the like.

In the prior art publication No. CN214048191U, a backrest chair convenient to stack is disclosed, and comprises a seat plate, wherein the left side and the right side of the outer wall of the seat plate are both connected with chair legs, the bottoms of the chair legs are sleeved with foot sleeves, a massage mechanism is arranged above the seat plate, the top of the outer wall of the seat plate is provided with a groove, and in the backrest chair convenient to stack, the seat surface of the seat plate is opened and is sunken to present a circular arc-shaped groove, so that the comfort level is improved, the front edge of the seat surface is bent and extends downwards, and an extension section and the seat surface are formed at one time; the foot sleeves are arranged on the legs of the chair, and the chair is made of high-quality environment-friendly rubber, so that the chair is not damaged when the chair is rubbed with the ground, the ground is not damaged, and the chair is more durable; the chair can be stacked, and is convenient to store.

However, in the CN214048191U patent in the prior art, the height of the backrest chair is not convenient to be adjusted according to the height of a user, so that the requirement of people is not convenient to be met, the adaptability is low, and the practicability is low in a mode of carrying by manpower when the backrest chair is moved.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a backrest chair, which solves the problem that the backrest chair is inconvenient to adjust according to the height of a user in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the backrest chair comprises a main body mechanism, a supporting mechanism and a protection mechanism, wherein the supporting mechanism is positioned at the upper end of the main body mechanism, the protection mechanism is positioned at the upper end of the supporting mechanism, the main body mechanism comprises a backrest chair body, a supporting plate and a first pushing rod, the supporting plate is fixedly arranged at the lower end of the backrest chair body, and the first pushing rod is fixedly arranged at the lower end of the supporting plate;

the main body mechanism further comprises an electric push rod, a base, a rubber pad, a mounting groove, a hydraulic cylinder, a pushing rod II and a universal wheel, wherein the electric push rod is fixedly arranged at the lower end of the pushing rod I, the driving end of the electric push rod is fixedly connected with the pushing rod I, the base is fixedly arranged at the lower end of the electric push rod, the rubber pad is fixedly arranged at the lower end of the base, the mounting groove is fixedly arranged at the lower end of the base, the hydraulic cylinder is fixedly arranged at the upper end of the inner end of the mounting groove, the pushing rod II is fixedly arranged at the lower end of the driving end of the hydraulic cylinder, and the universal wheel is fixedly arranged at the lower end of the pushing rod II.

Preferably, the supporting mechanism comprises a fixed plate, armrests, a back plate, a limiting rod, a controller, a control button and an integrated back cushion, wherein the fixed plate is fixedly arranged at the upper end of the supporting plate, and the armrests are fixedly arranged at the left end and the right end of the upper end of the fixed plate, so that the practicability is improved.

Preferably, the back board fixed mounting is in the rear end of fixed plate upper end, gag lever post fixed mounting is at the left and right sides both ends of back board front end, controller fixed mounting is in the front end of fixed plate left end, is convenient for support user's back.

Preferably, the control button movable mounting is at the front and back both ends of controller left end, integral type cushion movable mounting is in the upper end of fixed plate, integral type cushion swing joint back board has improved the travelling comfort of use, is convenient for follow-up dismantlement integral type cushion to clear up simultaneously.

Preferably, the protection mechanism comprises a three-proofing coating layer, a skin-friendly layer, a memory cotton layer, a massage block, a first air vent and a second air vent, wherein the three-proofing coating layer is fixedly arranged at the outer end of the integrated back cushion, so that the waterproof, oil-proof and antifouling performances of the integrated back cushion are improved conveniently.

Preferably, the skin-friendly layer is fixedly arranged at the inner end of the integrated back cushion, the skin-friendly layer is positioned at the inner end of the three-proofing coating, and the skin-friendly layer is fixedly connected with the three-proofing coating, so that the comfort of use is improved.

Preferably, the memory cotton layer is fixedly arranged at the inner end of the integrated back cushion, the memory cotton layer is positioned at the inner end of the skin-friendly layer, and the memory cotton layer is fixedly connected with the skin-friendly layer, so that the practicability is further improved.

Preferably, the massage piece fixed mounting is in the upper end of integral type cushion, massage piece evenly distributed is in the upper end of integral type cushion, bleeder vent one is fixed to be set up in the upper end of fixed plate, bleeder vent two are fixed to be set up in the front end of back board, are convenient for play certain massage effect to user's buttock, have avoided sitting for a long time buttock uncomfortable problem.

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

1. according to the backrest chair, the main body mechanism is arranged, so that the height of the backrest chair can be conveniently adjusted according to the height of a user, the requirements of the user are met, the adaptability is improved, the backrest chair is conveniently moved through the universal wheels, and the step of carrying by the user is saved;

2. according to the backrest chair, the main body mechanism is arranged, and the rubber pad is in contact with the floor after moving to a proper position, so that the floor can be prevented from being worn by the base, the friction force between the base and the floor can be improved, and the practicability is improved;

3. this back chair, through installation protection machanism, three proofings coating is convenient for improve waterproof, grease proofing and antifouling performance of integral type cushion, is convenient for follow-up washing integral type cushion, and the massage piece is convenient for play certain massage effect to user's buttock, has avoided sitting buttock uncomfortable problem for a long time.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial structure of a supporting mechanism according to the present utility model;

FIG. 3 is a schematic view of a partial cross-sectional structure of a protection mechanism according to the present utility model;

FIG. 4 is a schematic view of a partial cross-sectional structure of a body mechanism according to the present utility model;

FIG. 5 is an enlarged partial detail schematic view of the protective mechanism of the present utility model;

fig. 6 is an enlarged schematic view of a part of the main body mechanism of the present utility model.

In the figure: 1. a main body mechanism; 101. a backrest chair body; 102. a support plate; 103. pushing the first rod; 104. an electric push rod; 105. a base; 106. a rubber pad; 107. a mounting groove; 108. a hydraulic cylinder; 109. pushing the second rod; 110. a universal wheel; 2. a support mechanism; 201. a fixing plate; 202. an armrest; 203. a backing plate; 204. a limit rod; 205. a controller; 206. a control button; 207. an integral cushion; 3. a protective mechanism; 301. a three-proofing coating; 302. a skin-friendly layer; 303. a memory cotton layer; 304. a massage block; 305. an air hole I; 306. and a vent hole II.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the backrest chair comprises a main body mechanism 1, a supporting mechanism 2 and a protection mechanism 3, wherein the supporting mechanism 2 is positioned at the upper end of the main body mechanism 1, the protection mechanism 3 is positioned at the upper end of the supporting mechanism 2, the main body mechanism 1 comprises a backrest chair body 101, a supporting plate 102 and a pushing rod I103, the supporting plate 102 is fixedly arranged at the lower end of the backrest chair body 101, and the pushing rod I103 is fixedly arranged at the lower end of the supporting plate 102;

the main body mechanism 1 further comprises an electric push rod 104, a base 105, a rubber pad 106, a mounting groove 107, a hydraulic cylinder 108, a push rod II 109 and a universal wheel 110, wherein the electric push rod 104 is fixedly arranged at the lower end of the push rod I103, the transmission end of the electric push rod 104 is fixedly connected with the push rod I103, the base 105 is fixedly arranged at the lower end of the electric push rod 104, the rubber pad 106 is fixedly arranged at the lower end of the base 105, the mounting groove 107 is fixedly arranged at the lower end of the base 105, the hydraulic cylinder 108 is fixedly arranged at the upper end of the inner end of the mounting groove 107, the push rod II 109 is fixedly arranged at the lower end of the transmission end of the hydraulic cylinder 108, and the universal wheel 110 is fixedly arranged at the lower end of the push rod II 109.

The supporting mechanism 2 comprises a fixed plate 201, a handrail 202, a back support plate 203, a limit rod 204, a controller 205, a control button 206 and an integrated cushion 207, wherein the fixed plate 201 is fixedly arranged at the upper end of the supporting plate 102, the handrail 202 is fixedly arranged at the left end and the right end of the upper end of the fixed plate 201, the back support plate 203 is fixedly arranged at the rear end of the upper end of the fixed plate 201, the limit rod 204 is fixedly arranged at the left end and the right end of the front end of the back support plate 203, the controller 205 is fixedly arranged at the front end of the left end of the fixed plate 201, the control button 206 is movably arranged at the front end and the rear end of the left end of the controller 205, the integrated cushion 207 is movably arranged at the upper end of the fixed plate 201, the integrated cushion 207 is movably connected with the back support plate 203, the user can control the hydraulic cylinder 108 by the controller 205, the hydraulic cylinder 108 pushes the pushing rod II 109 to move downwards, the pushing rod II 109 pushes the universal wheel 110 to move out of the mounting groove 107 to contact the floor, the backrest chair body 101 is moved through the universal wheel 110, the step of carrying by the user is saved, after the user moves to a proper position, the hydraulic cylinder 108 drives the universal wheel 110 to restore to the original position, the rubber pad 106 contacts the floor, the base 105 can be prevented from wearing the floor, the friction force with the floor can be improved, then the height of the backrest chair body 101 can be adjusted according to the height of the user, the electric push rod 104 drives the pushing rod I103, and the pushing rod I103 drives the supporting plate 102, the fixing plate 201 and the like to move upwards or downwards.

The protection mechanism 3 comprises a three-proofing coating 301, a skin-friendly layer 302, a memory cotton layer 303, a massage block 304, a first ventilation hole 305 and a second ventilation hole 306, wherein the three-proofing coating 301 is fixedly arranged at the outer end of the integrated back cushion 207, the skin-friendly layer 302 is fixedly arranged at the inner end of the integrated back cushion 207, the skin-friendly layer 302 is fixedly connected with the three-proofing coating 301, the memory cotton layer 303 is fixedly arranged at the inner end of the integrated back cushion 207, the memory cotton layer 303 is positioned at the inner end of the skin-friendly layer 302, the memory cotton layer 303 is fixedly connected with the skin-friendly layer 302, the massage block 304 is fixedly arranged at the upper end of the integrated back cushion 207, the massage block 304 is uniformly distributed at the upper end of the integrated back cushion 207, the first ventilation hole 305 is fixedly arranged at the upper end of the fixing plate 201, the second ventilation hole 306 is fixedly arranged at the front end of the back cushion 203, the electric push rod 104 drives the push rod 103, the push rod 103 drives the support plate 102, the fixing plate 201 and the back cushion 203 to move upwards or downwards, a certain supporting effect is achieved, people can use conveniently, the integrated back cushion 207 is improved in the comfort, the air permeability of the three-proofing layer 302 is also improved, the air-proof layer is prevented from being polluted by the user, the user can feel uncomfortable, and the user can feel dirty, and feel bad to the user can feel bad when the user is in the back is in the sitting on the back cushion, and the back cushion is prevented from being washed by the air, and the air, the air can feel easy to clean by the three-proofing layer is more easily, and has the air-proof layer is convenient, and has high-proof function and has high performance.

Working principle: when the backrest chair is used, a user can control the hydraulic cylinder 108 through the controller 205, the hydraulic cylinder 108 pushes the pushing rod II 109 to move downwards, the pushing rod II 109 pushes the universal wheel 110 to move out of the mounting groove 107 to contact the floor, the backrest chair body 101 is moved through the universal wheel 110, the step of carrying by the user is saved, after the backrest chair is moved to a proper position, the hydraulic cylinder 108 drives the universal wheel 110 to restore to the original position, the rubber pad 106 contacts the floor, the base 105 can be prevented from wearing the floor, the friction force with the floor can be improved, then the height of the backrest chair body 101 can be adjusted according to the height of the user, the electric push rod 104 drives the pushing rod I103, the pushing rod I103 drives the supporting plate 102, the fixing plate 201 and the backrest plate 203 to move upwards or downwards, the fixing plate 201 and the backrest plate 203 play a certain supporting role, the use is facilitated for the user, the comfort degree of the use is improved, the waterproof, the oil-proof and anti-fouling performance of the integrated backrest cushion 301 is improved, the skin-friendly layer 302 and the memory cotton layer 303 are improved, the comfort of the use is improved, the massage block is also improved, the air-permeable vent hole 306 is prevented from being formed on the buttocks of the user, and the user can not feel bad for sitting on the seat back, and the air-permeable seat cushion body 101 is prevented.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a back chair, includes main part mechanism (1), supporting mechanism (2) and protection machanism (3), its characterized in that: the support mechanism (2) is positioned at the upper end of the main body mechanism (1), the protection mechanism (3) is positioned at the upper end of the support mechanism (2), the main body mechanism (1) comprises a backrest chair body (101), a support plate (102) and a first push rod (103), the support plate (102) is fixedly arranged at the lower end of the backrest chair body (101), and the first push rod (103) is fixedly arranged at the lower end of the support plate (102);

the main body mechanism (1) further comprises an electric push rod (104), a base (105), a rubber pad (106), a mounting groove (107), a hydraulic cylinder (108), a push rod II (109) and a universal wheel (110), wherein the electric push rod (104) is fixedly arranged at the lower end of the push rod I (103), the transmission end of the electric push rod (104) is fixedly connected with the push rod I (103), the base (105) is fixedly arranged at the lower end of the electric push rod (104), the rubber pad (106) is fixedly arranged at the lower end of the base (105), the mounting groove (107) is fixedly arranged at the lower end of the base (105), the hydraulic cylinder (108) is fixedly arranged at the upper end of the inner end of the mounting groove (107), the push rod II (109) is fixedly arranged at the lower end of the transmission end of the hydraulic cylinder (108), and the universal wheel (110) is fixedly arranged at the lower end of the push rod II (109).

2. A back rest chair according to claim 1, wherein: the supporting mechanism (2) comprises a fixed plate (201), armrests (202), a backrest plate (203), a limiting rod (204), a controller (205), a control button (206) and an integrated cushion (207), wherein the fixed plate (201) is fixedly arranged at the upper end of the supporting plate (102), and the armrests (202) are fixedly arranged at the left end and the right end of the upper end of the fixed plate (201).

3. A back rest chair according to claim 2, wherein: the back plate (203) is fixedly arranged at the rear end of the upper end of the fixed plate (201), the limiting rods (204) are fixedly arranged at the left end and the right end of the front end of the back plate (203), and the controller (205) is fixedly arranged at the front end of the left end of the fixed plate (201).

4. A back rest chair according to claim 3, wherein: the control button (206) is movably arranged at the front end and the rear end of the left end of the controller (205), the integrated back cushion (207) is movably arranged at the upper end of the fixed plate (201), and the integrated back cushion (207) is movably connected with the back support plate (203).

5. A back rest chair according to claim 4, wherein: the protection mechanism (3) comprises a three-proofing coating (301), a skin-friendly layer (302), a memory cotton layer (303), a massage block (304), a first ventilation hole (305) and a second ventilation hole (306), wherein the three-proofing coating (301) is fixedly arranged at the outer end of the integrated back cushion (207).

6. A back rest chair according to claim 5, wherein: the skin-friendly layer (302) is fixedly arranged at the inner end of the integrated back cushion (207), the skin-friendly layer (302) is positioned at the inner end of the three-proofing coating (301), and the skin-friendly layer (302) is fixedly connected with the three-proofing coating (301).

7. A back rest chair according to claim 6, wherein: the memory cotton layer (303) is fixedly arranged at the inner end of the integrated back cushion (207), the memory cotton layer (303) is positioned at the inner end of the skin-friendly layer (302), and the memory cotton layer (303) is fixedly connected with the skin-friendly layer (302).

8. A back rest chair according to claim 7, wherein: the massage block (304) is fixedly arranged at the upper end of the integrated back cushion (207), the massage block (304) is uniformly distributed at the upper end of the integrated back cushion (207), the first ventilation holes (305) are fixedly arranged at the upper end of the fixing plate (201), and the second ventilation holes (306) are fixedly arranged at the front end of the back support plate (203).