CN220756883U - Tablet chair for noon break - Google Patents

Abstract

The utility model discloses a tablet chair for noon break, which comprises chair feet, chair legs, a chair surface and a chair back, and is characterized by also comprising a chair back height adjusting rod, a connecting handrail and a handle; the chair legs are arranged on the chair feet, and the chair surface is arranged at the upper ends of the chair legs; one end of the chair surface is rotationally connected with the chair back height adjusting rod, and the chair back is connected to the chair back height adjusting rod in a sliding manner; the handles are arranged at the other opposite ends of the chair surface, and the upper ends of the handles are movably connected with the connecting armrests; the other end of the connecting handrail is hinged with the chair back height adjusting rod. The tablet chair of the utility model can be used for sitting or lying for rest independently, and can also be used for writing, rest and the like in combination with other desks.

Description

Tablet chair for noon break

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a tablet chair convenient for students to take lessons and for noon break.

Background

The desk and chair are common equipment in schools, but the existing desk and chair can only be prone to sleep on a desk in noon, so that the sleeping is influenced, and the afternoon learning efficiency is further influenced. In order to ensure the comfort of the existing desk and chair in noon break in the market, the height of the chair backrest is generally higher, and the problem of influencing the sight of the students at the back exists in class. The back gear adjusting mechanism adopts a sheet metal part structure for punching out the clamping points, so that the problem of poor stability exists in the structure, and if the speed is high during lying down of students, the clamping points are easily broken and invalid due to the fact that large instant impact force is generated.

Disclosure of Invention

The utility model provides a tablet chair for noon break, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the tablet chair for noon break comprises chair feet, chair legs, a chair surface and a chair back, and is characterized by also comprising a chair back height adjusting rod, connecting armrests and handles; the chair legs are arranged on the chair feet, and the chair surface is arranged at the upper ends of the chair legs; one end of the chair surface is rotationally connected with the chair back height adjusting rod, and the chair back is connected to the chair back height adjusting rod in a sliding manner; the handles are arranged at the other opposite ends of the chair surface, and the upper ends of the handles are movably connected with the connecting armrests; the other end of the connecting handrail is hinged with the chair back height adjusting rod. When the chair needs to be used for rest, the front-back relative positions of the connecting armrests and the handles are adjusted, the chair back is adjusted to a proper angle, the chair back is lifted upwards and is adjusted to a proper height, the whole upper part of the body is supported conveniently when the user lies down, then the user lies down on the chair, and legs and feet are placed on the footrest, so that a comfortable rest posture is achieved; the school is adjusted inversely, so that the comfort in resting can be ensured, and the sight of the students behind in the school is not influenced.

Furthermore, guide grooves are formed in the inner side of the chair back height adjusting rod up and down, guide pins are correspondingly arranged on the side face of the chair back and the guide grooves, and the guide pins are matched with the guide grooves to adjust and position the height of the chair back.

Optionally, the tablet chair further comprises a headrest, wherein the chair back is fixedly connected to the chair back height adjusting rod, and the headrest is slidingly connected to the upper part of the chair back height adjusting rod; the headrest comprises a headrest adjusting rod, a turnover hinge and a pillow surface, one end of the headrest adjusting rod is slidably connected to the chair back height adjusting rod, the other end of the headrest adjusting rod is connected with the turnover hinge, and the other end of the turnover hinge is connected with the pillow surface. When the chair needs to be used for rest, the front-back relative positions of the connecting armrests and the handles are adjusted, the chair back is adjusted to a proper angle, the headrest is lifted upwards to a proper height, then the headrest can be turned inwards, the whole upper part and the head of the body are supported when the user lies on the chair conveniently, the user lies on the chair, and when the chair is matched with a desk provided with a footrest for use, the feet are placed on the footrest, so that a comfortable rest posture is achieved; the school is adjusted inversely, so that the comfort in resting can be ensured, and the sight of the students behind in the school is not influenced.

Further, the connecting handrail is movably connected with the lifting handle through a gear adjuster and a connecting pin, the connecting pin is arranged on the lifting handle, the gear adjuster is arranged on the connecting handrail, a clamping groove is formed in the gear adjuster, and the clamping groove is matched with the connecting pin to position the connecting handrail. When the chair is required to be adjusted to a resting and using state, the end part of the connecting handrail is lifted upwards and is applied with force backwards, the chair back is loosened when the chair back is adjusted to a required angle, the connecting handrail falls down under the action of gravity, and the clamping groove on the gear regulator can clamp the connecting pin, so that the angle of the chair back is fixed; when the chair back is adjusted to the teaching state, the chair back can be adjusted to the vertical state only by applying a forward force on the upper part of the chair back.

Further, the chair leg is the supporting leg of height-adjustable, including fixed chair leg, adjustable chair leg and be used for adjusting the high second height adjustment mechanism of adjustable chair leg, adjustable chair leg peg graft in inside the fixed chair leg, second height adjustment mechanism set up in between adjustable chair leg and the fixed chair leg.

Preferably, the second height adjusting mechanism is a hand lifting rod, one end of the hand lifting rod is connected to the fixed chair leg, and the other end of the hand lifting rod is connected to the adjustable chair leg. By adopting the scheme, the structure is compact and stable, the height can be adjusted steplessly, and the self-locking reliability and safety are high.

Further, the noon break tablet chair also comprises a movable storage box, wherein the movable storage box is placed below the seat surface. The limited space is fully utilized, the storage capacity is improved, and students can store study articles or personal living articles conveniently.

Further, the seat further comprises a movable storage box, wherein the movable storage box is placed below the seat surface of the seat.

Furthermore, a guide groove is formed in the inner side of the chair back height adjusting rod up and down, a guide pin is correspondingly arranged on the side surface of the chair back and corresponds to the guide groove, and the guide pin is in sliding fit with the guide groove so as to adjust and position the chair back height; the connecting handrail is movably connected with the lifting handle through a gear adjuster and a connecting pin, the connecting pin is arranged on the lifting handle, the gear adjuster is arranged on the connecting handrail, a clamping groove is formed in the gear adjuster, and the clamping groove is matched with the connecting pin to position the connecting handrail; the chair leg is high adjustable supporting leg, including fixed chair leg, adjustable chair leg and be used for adjusting the high second height adjustment mechanism of adjustable chair leg, adjustable chair leg peg graft in inside the fixed chair leg, second height adjustment mechanism is hand lifter, hand lifter's one end is connected on the fixed chair leg, the other end is connected on the adjustable chair leg.

The tablet chair of the utility model can be used for sitting or lying for rest independently, and can also be used for writing, rest and the like in combination with other desks.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

FIG. 1 is a schematic view of a desk and chair for noon break;

FIG. 2 is a front view (lesson state) of a desk and chair for noon break;

FIG. 3 is a front view (rest state) of a noon break desk and chair;

FIG. 4 is an enlarged view of a portion of the seat back of FIG. 1;

FIG. 5 is an enlarged view of a portion of the seat back of FIG. 1 in the form of a headrest;

FIG. 6 is a partial enlarged view at B in FIG. 2;

FIG. 7 is an enlarged view of a portion of FIG. 2 at A;

fig. 8 is a partial enlarged view of a limiting groove structure using a limiting pin at a in fig. 2.

In the figure: 1. desk feet; 2. a table leg; 2-1, fixing the table legs; 2-2, adjustable table legs; 3. a first height adjustment mechanism; 4. a table plate; 5. a footrest; 5-1, a limiting pin; 5-2, a limit groove; 5-5, an extension rod; 6. a seat foot; 7. chair legs; 7-1, fixing chair legs; 7-2, adjustable chair legs; 8. a second height adjustment mechanism; 9. a seat surface; 10. a chair back height adjusting rod; 10-1, a first guide groove; 10-2, a second guide groove; 11. a chair back; 11-1, a guide pin; 12. a headrest; 12-1, a headrest adjusting rod; 12-2, a flip hinge; 12-3, pillow surface; 13. a connecting handrail; 14. damping the rotating shaft; 15. a gear adjuster; 16. a connecting pin; 17. a handle; 18. moving the storage box; 19. leveling bolts; 20. and a table bucket.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," and the like refer to an orientation or positional relationship based on that shown in the drawings, for convenience of description and simplicity of description, and do not necessarily indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for convenience of description 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 stated and limited otherwise, the terms "connected," "hinged," "mounted," "disposed," and "provided" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood in specific cases by those of ordinary skill in the art.

The utility model provides a desk for noon break, as shown in fig. 1 and 2, the desk comprises desk feet 1, desk legs 2, a desk plate 4, a footrest 5 and a damping rotating shaft 14, wherein the desk legs 2 are vertically arranged on the desk feet 1, the desk plate 4 is arranged at the upper ends of the desk legs 2, the footrest 5 is connected to the desk legs 2 below the desk legs 4 through the damping rotating shaft 14, and the footrest 5 is used for supporting legs and feet. When the user needs to lie down for rest, the footrest is in an unfolding state, legs and feet of the student are placed on the footrest, the footrest is influenced by external force moment changes, the footrest can rotate by taking the damping rotating shaft as the center, and the angle of the footrest relative to the horizontal plane can be adjusted in a self-adaptive mode until the footrest reaches an equilibrium state, so that a comfortable rest posture is realized. Adopt the damping pivot to connect, the effect that design like this reached is, only needs less dynamics just can adjust the footrest angle, plays certain locate action again to the footrest, overcomes the uncomfortable sense that the footrest 5 in-process was used and makes a round trip excessive sways and bring, when not using the footrest, fixes the footrest in the state of packing up.

Further, as shown in fig. 2, 7 and 8, the footrest 5 further includes an extension rod 5-3, one end of the extension rod 5-3 is fixedly connected with the footrest 5, and the other end is connected with the table leg 2 through the damping rotating shaft 14. The extension rod is arranged, so that when the footrest is in the lesson stowing state, the footrest is far away from the table legs as far as possible and is close to the outer side of the table body, and the space below the table legs is yielded, so that the leg movable space of the student is larger.

Preferably, as shown in fig. 2, the damping hinge 14 is disposed at the middle upper portion of the leg 2. When the footrest is in a resting and unfolding state, namely, the legs and feet are put, the footrest is turned over to the lower part of the damping rotating shaft connecting part, so that the legs and feet are supported conveniently, when the footrest is in a lesson and folding state, namely, the legs and feet are not put, the center of the footrest is higher than the damping rotating shaft connecting part, the position of the footrest is close to the table plate, the position of the footrest is close to the outer side of the table body, at the moment, the distance between the footrest and the ground is higher, the extension of the legs and feet of students is not hindered, and the cleaning is also facilitated.

Further, as shown in fig. 1, the table leg 2 is a supporting leg with adjustable height, and comprises a fixed table leg 2-1, an adjustable table leg 2-2 and a first height adjusting mechanism 3 for adjusting the height of the adjustable table leg, the footrest 5 is connected with the fixed table leg 2-1, the adjustable table leg 2-2 is inserted into the fixed table leg 2-1, and the first height adjusting mechanism 3 is arranged between the adjustable table leg 2-2 and the fixed table leg 2-1.

Preferably, the first height adjusting mechanism 3 is a hand-operated lifting rod, one end of the hand-operated lifting rod is connected to the fixed table leg 2-1, and the other end of the hand-operated lifting rod is connected to the adjustable table leg 2-2. By adopting the scheme, the structure is compact and stable, the height can be adjusted steplessly, and the self-locking reliability and safety are high.

Further, as shown in fig. 7, a limit pin 5-1 is disposed at one end of the footrest 5 at one side of the table leg 2, and when the footrest 5 is unfolded, the limit pin 5-1 cooperates with the table leg 2 to limit the footrest 5. The arrangement can prevent the footrest from excessively swinging to the inner side of the desk and colliding with legs and feet of students.

Optionally, as shown in fig. 8, a limit groove 5-2 is provided at the upper part of the leg 2 corresponding to the limit pin 5-1, and the limit groove 5-2 cooperates with the limit pin 5-1 to form a positioning mechanism, so that the footrest 5 is positioned more firmly when the footrest 5 is in the retracted state.

In order to achieve a better noon break effect and ensure that the school line of sight of students is not affected, as shown in fig. 1, the utility model provides a noon break desk and chair, which comprises the desk and also comprises a seat, wherein the seat comprises a seat bottom 6, a seat leg 7, a seat surface 9, a seat back height adjusting rod 10, a seat back 11, a connecting handrail 13 and a handle 17; the chair legs 7 are arranged on the chair feet 6, and the upper ends of the chair legs 7 are provided with the chair surface 9; one end of the chair surface 9 is rotatably connected with the chair back height adjusting rod 10, and the chair back 11 is slidably connected to the chair back height adjusting rod 10; the other opposite ends of the chair surface 9 are provided with handles 17, and the upper ends of the handles 17 are movably connected with the connecting armrests 13; the other end of the connecting handrail 13 is hinged with the chair back height adjusting rod 10. When the chair needs to be used for rest, the front-back relative positions of the connecting armrests and the handles are adjusted, the chair back is adjusted to a proper angle, the chair back is lifted upwards and is adjusted to a proper height, the whole upper part of the body is supported conveniently when the user lies down, then the user lies down on the chair, and legs and feet are placed on the footrest, so that a comfortable rest posture is achieved; the school is adjusted inversely, so that the comfort in resting can be ensured, and the sight of the students behind in the school is not influenced.

Further, as shown in fig. 4, a first guiding slot 10-1 and a second guiding slot 10-2 are provided up and down on the inner side of the chair back height adjusting rod 10, guiding pins 11-1 are provided on the side surface of the chair back corresponding to the first guiding slot 10-1 and the second guiding slot 10-2, and the guiding pins 11-1 are matched with the first guiding slot 10-1 and the second guiding slot 10-2 to adjust and position the height of the chair back 11. When the chair is needed to rest, the chair back 11 is lifted upwards, the guide pin moves upwards along the guide groove, when the set height is reached, the guide pin 11-1 at the upper part is clamped into the groove at the upper end of the second guide groove 10-2, at the moment, the chair back 11 is fixed at the required height, and when the chair is used in class, the chair back is inversely adjusted.

Optionally, as shown in fig. 5, the chair in the noon break desk and chair further comprises a headrest 12, the chair back 11 is fixedly connected to the chair back height adjusting rod 10, and the headrest 12 is slidingly connected to the upper part of the chair back height adjusting rod 10; the headrest 12 comprises a headrest adjusting rod 12-1, a turnover hinge 12-2 and a pillow surface 12-3, one end of the headrest adjusting rod 12-1 is slidably connected to the chair back height adjusting rod 10, the other end of the headrest adjusting rod is connected with the turnover hinge 12-2, and the other end of the turnover hinge 12-2 is connected with the pillow surface 12-3. When the user needs to rest, the front-back relative positions of the connecting armrests and the handles are adjusted, the chair back is adjusted to a proper angle, the headrest is lifted upwards to a proper height, then the face of the headrest can be turned inwards, the whole upper part and the head of the user can be supported conveniently when the user lies down, the user can lie on the chair, and the legs and the feet are placed on the footrest, so that a comfortable rest posture is achieved; the school is adjusted inversely, so that the comfort in resting can be ensured, and the sight of the students behind in the school is not influenced.

Further, as shown in fig. 6, the connecting handrail 13 is movably connected with the handle 17 through a gear adjuster 15 and a connecting pin 16, the connecting pin 16 is disposed at the upper end of the handle 17, the gear adjuster 15 is disposed on the connecting handrail 13, and a slot is disposed on the gear adjuster 15, and the slot cooperates with the connecting pin 16 to position the connecting handrail 13. When the chair is required to be adjusted to a resting and using state, the end part of the connecting handrail is lifted upwards and is applied with force backwards, the chair back is loosened when the chair back is adjusted to a required angle, the connecting handrail falls down under the action of gravity, and the clamping groove on the gear regulator can clamp the connecting pin, so that the angle of the chair back is fixed; when the chair back is adjusted to the teaching state, the chair back can be adjusted to the vertical state only by applying a forward force on the upper part of the chair back.

Further, as shown in fig. 1, the chair leg 7 is a supporting leg with adjustable height, and comprises a fixed chair leg 7-1, an adjustable chair leg 7-2 and a second height adjusting mechanism 8 for adjusting the height of the adjustable chair leg, wherein the adjustable chair leg 7-2 is inserted into the fixed chair leg 7-1, and the second height adjusting mechanism 8 is arranged between the adjustable chair leg 7-2 and the fixed chair leg 7-1.

Preferably, the second height adjusting mechanism 8 is a hand-operated lifting rod, one end of the hand-operated lifting rod is connected to the fixed chair leg 7-1, and the other end of the hand-operated lifting rod is connected to the adjustable chair leg 7-2. By adopting the scheme, the structure is compact and stable, the height can be adjusted steplessly, and the self-locking reliability and safety are high.

Further, as shown in fig. 1, the noon break desk and chair further comprises a movable storage box 18, wherein the movable storage box 18 is placed below the seat 9. The limited space is fully utilized, the storage capacity is improved, and students can store study articles or personal living articles conveniently.

As shown in fig. 1 and 3, when in a lesson state, the footrest 5 on the desk is folded upwards and fixed relative to the desk legs 2, the movable space of the legs below the desk is more abundant, so that students can learn in a lesson in a comfortable posture, and the chair back 11 (or the headrest 12) on the chair is lowered to the lowest state relative to the chair back height adjusting rod 10, thereby avoiding blocking the sight of the students behind; as shown in fig. 3, in the resting state, the footrest 5 on the desk is unfolded downwards, and is rotated freely relative to the damping rotating shaft 14, so that the angle of the chair back 11 (or the headrest 12) is adjusted to a comfortable lying angle according to the self-adaptive adjustment angle of the leg and foot rest posture of the student, the chair back 11 (or the headrest 12) is lifted to a height required by the student relative to the chair back height adjusting rod 10, the upper part and the head of the student are supported conveniently, and after the arrangement, the student is relaxed comfortably from head to foot during resting, and a better noon break effect can be obtained.

According to the practical use scene, the desk and the seat can be used independently or in combination, namely, the desk can be used for writing and placing articles independently, can be used for placing legs and feet for rest in cooperation with other reclining chairs, and the seat can be used for sitting or lying for rest independently, can be used for writing and rest in cooperation with other desks and the like. When the noon break desk and chair combination is used, the desk feet 1 and the chair feet 6 can be fixedly connected into a whole or integrally formed into an integrated noon break desk and chair according to the requirements.

Specifically, the noon break desk and chair integrated scheme shown in the embodiments have already applied for another utility model patent.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (8)

1. The tablet chair for noon break comprises chair feet, chair legs, a chair surface and a chair back, and is characterized by also comprising a chair back height adjusting rod, connecting armrests and handles; the chair legs are arranged on the chair feet, and the chair surface is arranged at the upper ends of the chair legs; one end of the chair surface is rotationally connected with the chair back height adjusting rod, and the chair back is connected to the chair back height adjusting rod in a sliding manner; the handles are arranged at the other opposite ends of the chair surface, and the upper ends of the handles are movably connected with the connecting armrests; the other end of the connecting handrail is hinged with the chair back height adjusting rod.

2. The tablet chair for noon break according to claim 1, characterized in that: the chair back height adjusting rod is characterized in that a guide groove is formed in the inner side of the chair back height adjusting rod up and down, a guide pin is correspondingly arranged on the side face of the chair back and corresponds to the guide groove, and the guide pin is matched with the guide groove to adjust and position the chair back height.

3. The tablet chair for noon break according to claim 1, characterized in that: the tablet chair also comprises a headrest, wherein the chair back is fixedly connected to the chair back height adjusting rod, and the headrest is slidingly connected to the upper part of the chair back height adjusting rod; the headrest comprises a headrest adjusting rod, a turnover hinge and a pillow surface, one end of the headrest adjusting rod is slidably connected to the chair back height adjusting rod, the other end of the headrest adjusting rod is connected with the turnover hinge, and the other end of the turnover hinge is connected with the pillow surface.

4. The tablet chair for noon break according to claim 1, characterized in that: the connecting handrail is movably connected with the lifting handle through a gear adjuster and a connecting pin, the connecting pin is arranged on the lifting handle, the gear adjuster is arranged on the connecting handrail, a clamping groove is formed in the gear adjuster, and the clamping groove is matched with the connecting pin to position the connecting handrail.

5. The tablet chair for noon break according to claim 1, characterized in that: the chair legs are supporting legs with adjustable heights, the chair legs comprise fixed chair legs, adjustable chair legs and a second height adjusting mechanism for adjusting the heights of the adjustable chair legs, the adjustable chair legs are inserted into the fixed chair legs, and the second height adjusting mechanism is arranged between the adjustable chair legs and the fixed chair legs.

6. The tablet chair for noon break according to claim 5, characterized in that: the second height adjusting mechanism is a hand-operated lifting rod, one end of the hand-operated lifting rod is connected to the fixed chair leg, and the other end of the hand-operated lifting rod is connected to the adjustable chair leg.

7. The tablet chair for noon break according to claim 1, characterized in that: the movable storage box is placed below the seat surface.

8. The tablet chair for noon break according to claim 1, characterized in that: the chair back height adjusting rod is characterized in that a guide groove is formed in the inner side of the chair back height adjusting rod up and down, a guide pin is correspondingly arranged on the side surface of the chair back and corresponds to the guide groove, and the guide pin is in sliding fit with the guide groove so as to adjust and position the chair back height; the connecting handrail is movably connected with the lifting handle through a gear adjuster and a connecting pin, the connecting pin is arranged on the lifting handle, the gear adjuster is arranged on the connecting handrail, a clamping groove is formed in the gear adjuster, and the clamping groove is matched with the connecting pin to position the connecting handrail; the chair leg is high adjustable supporting leg, including fixed chair leg, adjustable chair leg and be used for adjusting the high second height adjustment mechanism of adjustable chair leg, adjustable chair leg peg graft in inside the fixed chair leg, second height adjustment mechanism is hand lifter, hand lifter's one end is connected on the fixed chair leg, the other end is connected on the adjustable chair leg.