CN220141190U

CN220141190U - Noon break chair

Info

Publication number: CN220141190U
Application number: CN202321408545.7U
Authority: CN
Inventors: 李泽林; 童幸
Original assignee: Zhejiang Kangbeier Industrial Co ltd
Current assignee: Zhejiang Kangbeier Industrial Co ltd
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-12-08
Anticipated expiration: 2033-06-05

Abstract

The utility model relates to a noon break chair, which comprises a seat cushion, a chair back with adjustable angles, an adjustable foot pad positioned below the seat cushion, and chair legs positioned below the seat cushion, wherein a chair back supporting piece is arranged behind the chair back and comprises an upper supporting part and an explosion-proof shell; the noon break chair has the advantages of adjustable chair back angle and high safety.

Description

Noon break chair

Technical Field

The utility model relates to a noon break chair.

Background

Chairs are common articles, the former chairs are only household articles, and the later chairs are divided into: the noon break chair is mainly used for students in schools; according to scientific researches, the sufficient good sleep every day is a key factor of the height of a pupil, the insufficient sleep or the reduced sleep quality can influence the height development of the pupil, most of the pupil is walked to life, the pupil goes to school every morning and goes home in afternoon, so that no bed for noon break is provided in noon, and many of the pupil lies on a desk for rest in noon break, so that the pupil is uncomfortable except for tiredness and is not suitable for sleeping; the first storage is inconvenient, the primary school is unlike a kindergarten, children are very small, occupied bed area is limited, the primary school and the secondary school can be used for laying beds in the classrooms, the height of the primary school and the secondary school is high, the sleeping is an occupied place, students in one class of primary school and secondary school are more than the kindergarten, and the primary school and the secondary school cannot be used for laying beds in the classrooms to rest, so that the chair which is necessary originally is improved into a noon break chair which can be laid.

Many existing noon break chairs can be used for lying, but certain problems exist, such as the adjustment mode of the chair back, the stability is not good enough by adopting the modes of rotating shafts, hinging and the like, meanwhile, certain protection structure designs are not available, students in middle and primary schools are lively, the design of the protection structure is not available, and the conditions of clamping hands and the like are easy to occur when the chair is used.

Disclosure of Invention

The utility model mainly solves the technical problems existing in the prior art, thereby providing the noon break chair with adjustable chair back angle and high safety.

The technical problems of the utility model are mainly solved by the following technical proposal:

the utility model relates to a noon break chair, which comprises a seat cushion, a chair back with adjustable angles, an adjustable foot pad positioned below the seat cushion, and chair legs positioned below the seat cushion, wherein a chair back supporting piece is arranged behind the chair back and comprises an upper supporting part and an explosion-proof shell.

Further, a seat cushion frame is arranged below the seat cushion, a chair back frame is arranged on the chair back, and the chair back frame is positioned at the rear end part of the seat cushion frame.

Further, an air rod is arranged between the seat cushion frame and the chair back frame, one end of the air rod is fixed at the front end part of the seat cushion frame, and the other end of the air rod is fixed on the chair back frame.

Further, the chair back frame consists of a support frame a and a support frame b; the support frame a is a support rod extending upwards and used for supporting the chair back; the support frame b is a U-shaped structure extending downwards.

Further, the support frame a is located between the upper support portion and the chair back.

Further, the two side edges of the rear end of the seat cushion frame are respectively sleeved with a protective cylinder.

Further, rotatable armrests are respectively arranged on two sides of the rear end of the seat cushion, a connecting piece b is arranged between the armrests and the seat cushion, one end of the connecting piece b is fixed below the seat cushion frame, the other end of the connecting piece b extends out of two side edges of the seat cushion, and the armrests are arranged on the connecting piece b and can rotate backwards by 90 degrees by taking the connecting piece b as a rotating shaft.

Further, the connecting piece b is parallel to the seat cushion and is on the same horizontal plane.

Further, the foot pad is arranged at the front end of the seat cushion frame in a telescopic mode, a telescopic rod is arranged between the foot pad and the seat cushion frame, connecting pieces a are respectively arranged on two sides of the front end of the telescopic rod, and the foot pad is movably arranged between the two connecting pieces a.

Further, the headrest is detachably arranged above the chair back; the back of the headrest is provided with a headrest clamping piece, one end of the headrest clamping piece is fixed on the headrest, and the other end of the headrest clamping piece penetrates through the back of the chair and is detachably fixed on the upper supporting part.

The beneficial effects of the utility model are as follows:

the design of the support frame b and the explosion-proof shell enables the back of the noon break chair to extend to the lower position of the seat cushion, and the downward extending support frame b is added with the explosion-proof shell structure, so that the protection effect can be achieved, and the danger to a user caused by explosion of the air rod in the use process is avoided.

In addition, the design of the protective cylinder further improves the safety of the product; the design that the armrests are parallel to the seat cushion after being laid down ensures the safety and improves the comfort level.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a block diagram of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an exploded view of the present utility model;

FIG. 4 is an exploded side view of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4

FIG. 6 is an exploded side view of the present utility model;

FIG. 7 is an enlarged view of a portion of FIG. 6;

FIG. 8 is a partial block diagram of the present utility model;

FIG. 9 is a schematic view of the bottom view of the present utility model;

FIG. 10 is a schematic rear view of the present utility model;

FIG. 11 is an enlarged view of a portion of FIG. 10;

FIG. 12 is a schematic view of the structure of the armrest of the present utility model after adjusting the angle;

FIG. 13 is a side view of the armrest of the present utility model after adjustment of the angle;

fig. 14 is a schematic view of the structure of the present utility model in a lying state;

fig. 15 is a schematic side view of the present utility model in a lying state.

In the figure: 1-seat cushion, 2-seat back, 3-headrest, 4-armrest, 5-seat leg, 6-foot pad, 7-seat back support, 8-protection cylinder, 9-connector a, 11-seat cushion frame, 12-gas lever switch, 13-gas lever, 3.1-headrest clip, 4.1-connector b, 7.1-upper support, 7.2-explosion-proof shell, 7.11-buckle, 7.21-front explosion-proof shell, 7.22-rear explosion-proof shell, 9.1-telescopic rod, 10.1-support frame a, 10.2-support frame b

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

As shown in figures 1-2, the noon break chair is mainly used for students in middle and primary schools, and can enable a user to lie on the chair for rest. Comprising a seat cushion 1, an adjustable seat back 2, an adjustable foot pad 6 positioned below the seat cushion 1, and a seat foot 5 positioned below the seat cushion 1, all of which are known in the art and are not described in detail herein.

As shown in fig. 3 to 7, a seatback support 7 is provided at the rear of the seatback 2, the seatback support 7 including an upper support portion 7.1 and an explosion proof housing 7.2, the explosion proof housing 7.2 being U-shaped. The explosion-proof housing 7.2 comprises a front explosion-proof housing 7.21 and a rear explosion-proof housing 7.22, specifically speaking, the front explosion-proof housing 7.21 and the rear explosion-proof housing 7.22 are two detachable components, the front explosion-proof housing 7.21 is connected with the upper supporting portion 7.1, the rear explosion-proof housing 7.22 is a separate component correspondingly connected with the front explosion-proof housing 7.21, and an opening part is arranged at the middle position below the rear explosion-proof housing 7.22.

As shown in fig. 5 and 8, a seat frame 11 is provided below the seat cushion 1, and a back frame is provided on the back 2, and the back frame is located at the rear end of the seat frame 11. Specifically, the lower end of the chair back frame is positioned at the rear end of the seat cushion frame 11, and the two frames are movably connected in a front-back manner, that is, the chair back frame can take the seat cushion frame 11 as a fixed point to adjust the front-back angle, and the adjustable angle is between 90 and 135 degrees.

An air rod 13 is arranged between the seat cushion frame 11 and the back frame, one end of the air rod 13 is fixed at the front end part of the seat cushion frame 11, and the other end is fixed on the back frame. Specifically, the chair back frame realizes the angle adjusting function by utilizing the air rod 13. Here, the applicant needs to explain that the air bar can realize the function of angle adjustment, and in the prior art, the air bar 13 adopted by the applicant is an existing product, and the specific model is: the YG300N manufactured by the company, inc, guangzhou, is provided with a gas lever switch 12 at a side lower side of the seat frame 11 for controlling the opening and closing operations of the gas lever 13, and the technology of controlling the gas lever 13 by the gas lever switch 12 is a prior art, and applicant does not describe in detail herein.

The chair back frame consists of a supporting frame a10.1 and a supporting frame b 10.2; the support frame a10.1 is a support rod extending upwards and used for supporting the chair back 2; the support frame b10.2 is of a downward extending U-shaped structure. Specifically, the supporting frame b10.2 corresponds to the explosion-proof shell 7.2, the explosion-proof shell 7.2 is sleeved on the periphery of the supporting frame b10.2, and the supporting frame b10.2 is wrapped in the explosion-proof shell 7.2; the rear explosion-proof housing 7.22 is positioned in front of the support frame b10.2, the front explosion-proof housing 7.21 is positioned behind the support frame b10.2, and one end of the air rod 13 is connected to the support frame b10.2 in a penetrating manner from an opening part in the middle of the rear explosion-proof housing 7.22.

The support frame a10.1 is positioned between the upper support part 7.1 and the chair back 2; specifically, the seat back 2 is located in front of the support frame a10.1, the upper support portion 7.1 is located behind the support frame a10.1, and the seat back 2 penetrates through the support frame a10.1 to be connected and fixed with the upper support portion 7.1.

The seat cushion frame is characterized in that the two side edges of the rear end of the seat cushion frame 11 are respectively sleeved with a protective cylinder 8, and the two side edges of the joint of the seat back frame and the seat cushion frame 11 are wrapped.

The two sides of the rear end of the seat cushion 1 are respectively provided with a rotatable armrest 4. Specifically, a connecting piece b4.1 is arranged between the armrest 4 and the seat cushion 1, one end of the connecting piece b4.1 is fixed below the seat cushion frame 11, the other end extends out of two side edges of the seat cushion 1, the armrest 4 is sleeved on the connecting piece b4.1, and the connecting piece b4.1 can be used as a rotating shaft to rotate backwards for 90 degrees.

The connecting piece b4.1 is parallel to the seat cushion 1 and on the same horizontal plane, so after the armrests 4 are rotated backwards by 90 degrees, the whole armrests 4 are in a parallel state with the seat cushion 1 and are positioned on the same horizontal plane, when the noon chair is in a lying state, two sides of the seat cushion 1 do not have protruding armrests, the existing similar products are higher than the seat cushion in any state, even if the armrests are placed down, a part of the armrests are higher than the seat cushion, the armrests on two sides form an obstacle when a user lies down, and cannot be completely flat, the existing armrests also consider the safety problem, so that the user is prevented from falling down from the side, but the armrests 4 of the utility model can be backwards placed down when the user lies down, the armrests 4 and the seat cushion 1 form a plane, and can be decided whether to upwards turn over the armrests 4 according to the width condition or habit of the user after lying down, if the user is not to fall back, the user can be prevented from being lying down, the user can be prevented from being fallen down, and the user is not lying down, and the chair is more parallel to the seat cushion 1 when the user is placed down, and the utility model is more comfortable, and the chair is designed to be more comfortable when the user is placed down, and has the utility model, and is shown in the utility model, and the chair is more convenient for the utility model, and the user is 12.

As shown in fig. 9, the foot pad 6 is telescopically disposed at the front end of the seat cushion frame 11, a telescopic rod 9.1 is disposed between the foot pad 6 and the seat cushion frame 11, two sides of the front end of the telescopic rod 9.1 are respectively provided with a connecting piece a9, and the foot pad 6 is movably disposed between the two connecting pieces a 9; specifically, the foot pad 6 can realize front and back expansion through the expansion link 9.1, and the foot pad 6 is pulled out forwards when lying, and is folded under the seat cushion 1 conversely; the foot pad 6 can also rotate around the connecting piece a9, when a user does not lie down, the foot pad 6 is folded under the seat cushion 1 through the telescopic rod 9.1 and then rotates downwards around the connecting piece a9, and finally is attached under the seat cushion 1 to the greatest extent.

The headrest 3 is detachably arranged above the chair back 2; the rear of the headrest 3 is provided with a headrest clamping piece 3.1, one end of the headrest clamping piece 3.1 is fixed on the headrest 3, and the other end of the headrest clamping piece penetrates through the back 2 and is detachably fixed on the upper supporting part 7.1. Specifically, the upper end portion of the upper supporting portion 7.1 is provided with a buckle 7.11, the end portion of the headrest clamping member 3.1 is provided with a through hole corresponding to the buckle 7.11, the through hole can be clamped into the buckle 7.11, the headrest clamping member 3.1 penetrates through the seat back 2 to be detachably fixed on the upper supporting portion 7.1 (here, a through hole a (not labeled) is required to be formed in the middle position of the upper end of the seat back 2, the headrest clamping member 3.1 is clamped into the buckle 7.11 through the through hole a, and the through hole a is a conventional means in the art, so that the applicant does not describe the details on the problem), after the seat back 2 is penetrated through the supporting frame a10.1, the headrest clamping member 3.1 is detachably fixed on the upper supporting portion 7.1, and can be fixed on the upper end of the seat back 2 from the upper end of the seat back 2.

The noon break chair is pulled out from a sitting state to a lying state, then a user sits on the seat cushion 1, the air rod switch 12 is opened to start the air rod 13, namely the air rod 13 is unlocked, then the user lies down backwards, an external force is caused to the chair back 2, the chair back 2 rotates backwards, the user stops lying downwards after reaching a proper angle, the chair back 2 stops rotating downwards under the action of the external force, the air rod switch 12 is released, the air rod 13 is locked, and the noon break chair can be unfolded (the unfolded noon break chair can be seen in fig. 14-15).

The beneficial effects of the utility model are as follows:

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the specific meaning of the terms described above in this application

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The noon break chair comprises a seat cushion (1), a chair back (2) with adjustable angles, an adjustable foot pad (6) positioned below the seat cushion (1) and a chair foot (5) positioned below the seat cushion (1); the method is characterized in that: a back support (7) is arranged behind the back (2), and the back support (7) comprises an upper support part (7.1) and an explosion-proof shell (7.2).

2. A noon break chair according to claim 1, characterized in that: a seat cushion frame (11) is arranged below the seat cushion (1), a chair back frame is arranged on the chair back (2), and the chair back frame is positioned at the rear end part of the seat cushion frame (11).

3. A noon break chair according to claim 2, characterized in that: an air rod (13) is arranged between the seat cushion frame (11) and the chair back frame, one end of the air rod (13) is fixed at the front end part of the seat cushion frame (11), and the other end is fixed on the chair back frame.

4. A noon break chair according to claim 2, characterized in that: the chair back frame consists of a support frame a (10.1) and a support frame b (10.2); the support frame a (10.1) is a support rod extending upwards and used for supporting the chair back (2); the support frame b (10.2) is of a downward extending U-shaped structure.

5. The noon break chair according to claim 4, characterized in that: the support frame a (10.1) is positioned between the upper support part (7.1) and the chair back (2).

6. A noon break chair according to claim 2, characterized in that: the two side edges of the rear end of the seat cushion frame (11) are respectively sleeved with a protective cylinder (8).

7. A noon break chair according to claim 1, characterized in that: the utility model discloses a seat cushion, including seat cushion (1), connecting piece (4.1), handrail (4) and connecting piece (4.1), wherein rotatable handrail (4) are provided with respectively in rear end both sides of seat cushion (1), are provided with connecting piece b (4.1) between handrail (4) and seat cushion (1), and the below of seat cushion frame (11) is fixed to one end of connecting piece b (4.1), and the other end extends outside the both sides limit of seat cushion (1), and handrail (4) cover is established on connecting piece b (4.1), can use connecting piece b (4.1) as pivot backward rotation 90 degrees.

8. The noon break chair according to claim 7, characterized in that: the connecting piece b (4.1) is parallel to the seat cushion (1) and is on the same horizontal plane.

9. A noon break chair according to claim 1, characterized in that: the telescopic foot pad (6) is arranged at the front end of the seat cushion frame (11), a telescopic rod (9.1) is arranged between the foot pad (6) and the seat cushion frame (11), connecting pieces a (9) are respectively arranged at two sides of the front end of the telescopic rod (9.1), and the foot pad (6) is movably arranged between the two connecting pieces a (9).

10. A noon break chair according to claim 1, characterized in that: a detachable headrest (3) is arranged above the chair back (2); the rear of the headrest (3) is provided with a headrest clamping piece (3.1), one end of the headrest clamping piece (3.1) is fixed on the headrest (3), and the other end of the headrest clamping piece penetrates through the back of the chair (2) and is detachably fixed on the upper supporting part (7.1).