CN220024584U

CN220024584U - Wrapped double-backrest learning chair

Info

Publication number: CN220024584U
Application number: CN202321689109.1U
Authority: CN
Inventors: 黄宏文
Original assignee: Anji Xinsheng Furniture Co ltd
Current assignee: Anji Xinsheng Furniture Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-17
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to the technical field of seats and discloses a wrapped double-backrest learning chair which comprises a seat cushion and a backrest, wherein a lifting device is fixedly arranged below the seat cushion, the lifting device comprises a shell, a baffle is fixedly arranged on the inner side wall of the shell, a second motor is fixedly arranged at the bottom of the baffle, a main gear is rotatably arranged at the top of the baffle, the output end of the second motor is fixedly connected with the main gear, a plurality of driven gears are rotatably arranged at the upper end face of the baffle near the periphery, a second screw rod penetrating through the driven gears and the baffle is rotatably arranged in the middle of the driven gears, a lifting rod is fixedly arranged at the top of the second screw rod, and a massaging device is arranged inside the backrest. The utility model uses the lifting device to prevent the potential safety hazard problem of explosion of the lifting cylinder of the traditional learning chair, and simultaneously the massage device in the backrest can massage the back of a user when the user sits on the chair.

Description

Wrapped double-backrest learning chair

Technical Field

The utility model relates to the technical field of seats, in particular to a wrapped double-backrest learning chair.

Background

With the development of society, children occupy a central position in a home, and the demand for furniture articles for children is increasing. Learning chairs are an important part of children's furniture. The height of the learning chair is increased gradually in the growth process of children, but the chair is often regulated by utilizing the gas compression device in the cylinder in the existing learning chair, so that the problem of potential safety hazard is very great, and particularly for children, the height of the learning chair cannot be regulated if gas leaks in the chair.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a wrapped double-backrest learning chair.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a parcel formula double backrest study chair, includes cushion and back, the fixed elevating gear that sets up in cushion below.

The lifting device comprises a shell, a baffle is fixedly arranged on the inner side wall of the shell, a second motor is fixedly arranged at the bottom of the baffle, a main gear is rotatably arranged at the top of the baffle, the output end of the second motor is fixedly connected with the main gear, a plurality of driven gears are rotatably arranged on the upper end face of the baffle near the periphery, a second screw rod penetrating through the driven gears and the baffle is rotatably arranged in the middle of the driven gears, a lifting rod is fixedly arranged at the top of the second screw rod, and the second screw rod is sleeved with the driven gears.

The backrest is internally provided with a massage device, the massage device comprises a fixed plate, a first motor is fixedly arranged at the top end of the fixed plate, a limit guide rail is fixedly arranged at the top of the first motor, a first screw is rotationally arranged on the side face of the limit guide rail, the output end of the first motor is fixedly connected with the first screw, a sliding block is sleeved outside the first screw, a sliding groove is formed in the side face of the limit guide rail, and the sliding block is in sliding connection with the sliding groove;

through the technical scheme, compared with the traditional air cylinder, the lifting device is utilized, so that the height of the chair can be conveniently adjusted when a user sits on the study chair, the potential safety hazard problem of air cylinder explosion is prevented, and meanwhile, the massage device in the backrest can enable the user to massage the back when the user sits on the chair.

Further, a rotating block is fixedly arranged on the side face of the sliding block, a rotating base is rotatably arranged on the side face of the rotating block, a massage ball is fixedly arranged on the side face of the rotating base, and the massage ball is attached to the inner surface of the backrest;

through the technical scheme, a user can sit on the study chair to perform back massage, modern people often work on a table, many people have symptoms of cervical spondylosis or shoulder and back and waist soreness and discomfort, and back pain symptoms are relieved through back massage.

Further, a fixed rod is fixedly arranged on the side face of the seat cushion, an armrest is fixedly arranged at the top of the fixed rod, a switch is fixedly arranged on the side face of the armrest, and the switch is electrically connected with the second motor;

through the technical scheme, the handrail has the main functions of supporting arms, relieving the action of the sagging gravity of the arms on shoulders and enabling the human body to be in a more stable state. The chair can also be used as a starting point for standing up or changing sitting postures, and meanwhile, the switch arranged on the side surface of the armrest can enable a user to easily adjust the height of the study chair by sitting on the chair.

Further, memory cotton is arranged in the cushion, is an inert surface or viscoelastic foam material, is made of polyurethane, and is soft polyurethane slow rebound foam;

through the technical scheme, when a user uses the learning chair, the memory cotton starts to deform, the memory cotton becomes the shape most suitable for the user according to the appearance of the user, and after the user leaves the learning chair, the memory cotton becomes the original shape, so that the comfort level of the learning chair can be increased.

Further, a fixed block is fixedly arranged at the bottom of the fixed rod, a sliding rod penetrating through the fixed block is rotatably arranged in the middle of the fixed block, and a foot pad plate is fixedly arranged at the top end of the sliding rod;

through the technical scheme, the foot pad plate can be used for placing feet when a user sits on the study chair, the slide bar can be used for increasing the distance between the foot pad plate and the user, and when the user lies on the study chair, the legs can be in a horizontal state, so that the comfort level of the user when the user uses the study chair can be increased.

Further, supporting legs are fixedly arranged at the bottom of the lifting device, and universal wheels are rotatably connected to the bottom ends of the supporting legs;

through above-mentioned technical scheme, the outward wheel can let the user light remove study chair, sets up the bearing capacity that a plurality of supporting legs can greatly increased study chair.

Further, a back cushion is fixedly arranged at the top end of the backrest, a waist rest is fixedly arranged on the side face of the backrest, and memory cotton materials are arranged in the waist rest;

through the technical scheme, a user can sit on the chair with the head leaning on the back rest, the waist leaning on design accords with human engineering, the waist leaning on design can naturally fit human waist curve, the waist of the user is kept not to be influenced by sedentary, the chair has the functions of correcting the spine, protecting the waist and the like, and the memory cotton can ensure the comfort level of the waist leaning on for different users.

The utility model has the following beneficial effects:

1. compared with the traditional air cylinder, the wrapped double-backrest learning chair provided by the utility model has the advantages that the lifting device is utilized, so that a user can conveniently adjust the height of the chair when sitting on the learning chair, and meanwhile, the potential safety hazard problem of air cylinder explosion is prevented.

2. The wrapped double-backrest learning chair provided by the utility model has the advantages that the massage device in the backrest can enable a user to massage the back when sitting on the chair, so that the comfort of the learning chair is improved.

3. The utility model provides a wrapped double-backrest learning chair, which has the main functions of supporting arms, relieving the action of the sagging gravity of the arms on shoulders, enabling a human body to be in a relatively stable state, and can also be used as a starting point for standing up or changing sitting postures, and meanwhile, a switch arranged on the side surface of the armrests can enable a user to easily adjust the height of the learning chair by sitting on the chair.

Drawings

Fig. 1 is a schematic perspective view of a wrapped dual-backrest learning chair according to the present utility model;

FIG. 2 is a left side view of a wrap-around dual backrest chair in accordance with the present utility model;

FIG. 3 is a cross-sectional view of a lifting device in a wrapped double-backrest chair according to the present utility model;

FIG. 4 is a top view of a lifting device in a wrapped double-backrest chair according to the present utility model;

FIG. 5 is a cross-sectional view of a back in a wrap-around dual back study chair in accordance with the present utility model;

fig. 6 is a schematic structural view of a massage device in a wrapped double-backrest learning chair according to the present utility model;

fig. 7 is a cross-sectional view of a seat cushion in a wrapped double-backrest learning chair according to the present utility model.

Legend description:

1. a cushion; 101. memory cotton; 2. an armrest; 3. a massage device; 301. a fixing plate; 302. a first motor; 303. a spacing guide rail; 304. a first screw; 305. a sliding block; 306. a rotating block; 307. a rotating base; 308. a massage ball; 309. a chute; 4. a headrest; 5. a switch; 6. a fixed rod; 7. a fixed block; 8. a lifting device; 801. a second motor; 802. a main gear; 803. a second screw; 804. a driven gear; 805. a lifting rod; 806. a baffle; 807. a housing; 9. support legs; 10. a universal wheel; 11. foot pad; 12. a slide bar; 13. a backrest; 14. a waist rest.

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. 1-7, one embodiment provided by the present utility model is: a wrapped double-backrest learning chair comprises a seat cushion 1 and a backrest 13, wherein a lifting device 8 is fixedly arranged below the seat cushion 1.

The lifting device 8 comprises a shell 807, a baffle 806 is fixedly arranged on the inner side wall of the shell 807, a second motor 801 is fixedly arranged at the bottom of the baffle 806, a main gear 802 is rotatably arranged at the top of the baffle 806, the output end of the second motor 801 is fixedly connected with the main gear 802, a plurality of driven gears 804 are rotatably arranged on the upper end face of the baffle 806 near the periphery, a second screw 803 penetrating through the driven gears 804 and the baffle 806 is rotatably arranged in the middle of the driven gears 804, a plurality of second screws 803 are arranged, the bearing capacity is increased, meanwhile, the upward adjusting power of the lifting device 8 is increased, lifting rods 805 are fixedly arranged at the top of the second screws 803, and the second screws 803 are sleeved with the driven gears 804.

The inside massage device 3 that is provided with of back 13, massage device 3 includes fixed plate 301, fixed plate 301 top is fixed to be provided with first motor 302, first motor 302 top is fixed to be provided with spacing guide 303, spacing guide 303 side rotates and is provided with first screw 304, the output and the first screw 304 fixed connection of first motor 302, the outside cover of first screw 304 is equipped with slider 305, spout 309 has been seted up to spacing guide 303 side, slider 305 and spout 309 sliding connection, slider 305 side is fixed to be provided with rotatory piece 306, rotatory piece 306 side rotates and is provided with rotating base 307, rotating base 307 side is fixed to be provided with massage ball 308, massage ball 308 and the laminating of the internal surface of back 13.

The side of the cushion 1 is fixedly provided with a fixed rod 6, the top of the fixed rod 6 is fixedly provided with a handrail 2, the side of the handrail 2 is fixedly provided with a switch 5, the switch 5 is electrically connected with a second motor 801, the handrail 2 mainly functions to support arms, relieve the action of the sagging gravity of the arms on shoulders, enable a human body to be in a stable state, the side of the cushion can also be used as a starting point for standing up or changing sitting postures, meanwhile, the switch 5 arranged on the side of the handrail 2 can enable a user to easily adjust the height of the chair when sitting on the chair, the cushion 1 is internally provided with memory cotton 101, the memory cotton 101 is an inert surface or a viscoelastic foam material and is made of polyurethane, the cushion is made of soft polyurethane slow rebound foam, the bottom of the fixed rod 6 is fixedly provided with a fixed block 7, a sliding rod 12 penetrating through the fixed block 7 is rotationally arranged in the middle of the fixed block 7, the top end of the sliding rod 12 is fixedly provided with a foot pad 11, when a user sits on the study chair, the memory cotton 101 starts to deform, the shape of the memory cotton 101 is changed into the shape most suitable for the user according to the appearance of the user, after the user leaves the study chair, the memory cotton 101 is changed into the original shape, the foot pad plate 11 can enable the user to sit on the study chair and put feet, the slide bar 12 can increase the distance between the foot pad plate 11 and the user, when the user lays on the study chair, the legs can be in a horizontal state, thus the comfort level of the user when the user sits on the study chair can be increased, the bottom of the lifting device 8 is fixedly provided with the supporting legs 9, the bottom ends of the supporting legs 9 are rotationally connected with the universal wheels 10, the universal wheels 10 can enable the user to easily move the study chair, the bearing capacity of the study chair can be greatly increased by arranging a plurality of the supporting legs 9, the top end of the backrest 13 is fixedly provided with the pillow 4, the side face of the backrest 13 is fixedly provided with the waist backrest 14, the user can lean against the head rest 4 when sitting on the chair, and the waist rest 14 is designed to accord with human engineering, can naturally fit human waist curve, keeps the waist of the user not influenced by sitting for a long time, has functions of correcting the backbone, protecting the waist and the like, and can ensure the comfort level of the waist rest 14 used by different users.

Working principle: when a user sits on the chair, the switch 5 is pressed, the second motor 801 starts to work, the main gear 802 is driven to rotate, meanwhile, the main gear 802 drives the driven gear 804 to rotate, the second screw 803 rotates, the lifting rod 805 is driven to move up and down, the height of the chair can be adjusted, when the user needs to massage, the first motor 302 works, the first screw 304 starts to rotate, the sliding block 305 can only slide up and down on the track of the sliding groove 309 due to the fixing effect of the limit guide rail 303, meanwhile, the rotating block 306 is driven to rotate, the rotating block 306 drives the rotating base 307 to rotate, and therefore the massage ball 308 fixed on the rotating base 307 starts to rotate, and massage on the back of the user in different directions up and down and left and right can be achieved.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a parcel formula double backrest study chair, includes cushion (1) and back (13), its characterized in that: a lifting device (8) is fixedly arranged below the seat cushion (1);

the lifting device (8) comprises a shell (807), a baffle plate (806) is fixedly arranged on the inner side wall of the shell (807), a second motor (801) is fixedly arranged at the bottom of the baffle plate (806), a main gear (802) is rotatably arranged at the top of the baffle plate (806), the output end of the second motor (801) is fixedly connected with the main gear (802), a plurality of driven gears (804) are rotatably arranged on the upper end face of the baffle plate (806) near the periphery, a second screw rod (803) penetrating through the driven gears (804) and the baffle plate (806) is rotatably arranged in the middle of the driven gears (804), a lifting rod (805) is fixedly arranged at the top of the second screw rod (803), and the second screw rod (803) is sleeved with the driven gears (804);

the utility model discloses a massage device, including back (13), inside massage device (3) that is provided with of back (13), massage device (3) are including fixed plate (301), fixed first motor (302) that are provided with in fixed plate (301) top, fixed spacing guide (303) that are provided with in first motor (302) top, spacing guide (303) side rotates and is provided with first screw rod (304), the output and the first screw rod (304) fixed connection of first motor (302), the outside cover of first screw rod (304) is equipped with slider (305), spout (309) have been seted up to spacing guide (303) side, slider (305) and spout (309) sliding connection.

2. A wrapped double-backrest study chair as defined in claim 1, wherein: the side of the sliding block (305) is fixedly provided with a rotating block (306), the side of the rotating block (306) is rotatably provided with a rotating base (307), the side of the rotating base (307) is fixedly provided with a massage ball (308), and the massage ball (308) is attached to the inner surface of the backrest (13).

3. A wrapped double-backrest study chair as defined in claim 1, wherein: the seat cushion is characterized in that a fixing rod (6) is fixedly arranged on the side face of the seat cushion (1), an armrest (2) is fixedly arranged at the top of the fixing rod (6), a switch (5) is fixedly arranged on the side face of the armrest (2), and the switch (5) is electrically connected with a second motor (801).

4. A wrapped double-backrest chair according to claim 3, wherein: memory cotton (101) is arranged in the cushion (1), and the memory cotton (101) is made of soft polyurethane slow rebound foam.

5. A wrapped double-backrest chair according to claim 3, wherein: the fixing device is characterized in that a fixing block (7) is fixedly arranged at the bottom of the fixing rod (6), a sliding rod (12) penetrating through the fixing block (7) is rotatably arranged in the middle of the fixing block (7), and a foot pad plate (11) is fixedly arranged at the top end of the sliding rod (12).

6. A wrapped double-backrest study chair as defined in claim 1, wherein: supporting legs (9) are fixedly arranged at the bottoms of the lifting devices (8), and universal wheels (10) are rotatably connected to the bottoms of the supporting legs (9).

7. A wrapped double-backrest study chair as defined in claim 1, wherein: the top end of the backrest (13) is fixedly provided with a headrest (4).

8. A wrapped double-backrest study chair as defined in claim 1, wherein: the side face of the backrest (13) is fixedly provided with a waist rest (14).