Sitting and sleeping dual-purpose chair for student

Abstract

The utility model discloses a sitting and sleeping dual-purpose chair for students, and belongs to the technical field of teaching aids. The sitting and sleeping dual-purpose chair for the student mainly comprises a supporting device, a sitting plate, a backrest plate, a sitting and sleeping switching device and an auxiliary supporting device. Wherein a bottom plate is arranged in the supporting device, and a height adjusting component is arranged at the top end of the bottom plate; a seat plate is arranged at the top end of the height adjusting component; a backrest plate is arranged at one end of the seat plate, and a gap is formed between the bottom end of the backrest plate and the end part of the seat plate; a sitting and sleeping switching device is arranged in a gap between the sitting plate and the backrest plate; and an auxiliary supporting device is arranged on one side of the backrest plate. Compared with the prior art, the student desk is more beneficial to physical health of students, and is simpler in structure and operation, so that the manufacturing cost is reduced, and the student desk has higher practicability.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching aid technical field, especially a student sitting and sleeping dual-purpose chair. BACKGROUND

[0002] Education is the foundation of the country, with the country's emphasis on education increasing, the technical level is continuously improved, the school teaching equipment has obviously improved, but due to the single function of classroom seat, many schools do not provide nap facilities, students can only nap through the way of lying on the desk.

[0003] Although the aforementioned mode can obtain certain rest, but the student's body lacks certain stretching space, which may affect the development of the student's skeleton, and the student period is an important stage of physical development, which generally affects the student's health, therefore, it is necessary to develop a student sitting and sleeping dual-purpose chair in other forms and beneficial to the student's health. UTILITY MODEL CONTENT

[0004] To solve the defects of prior art, the student sitting and sleeping dual-purpose chair provided by the utility model mainly includes a supporting device, a seat plate, a backrest plate, a sitting and sleeping switching device and an auxiliary supporting device, the student can place the backrest plate in a horizontal state, at this time, the backrest plate is generally horizontal with the seat plate, which improves the comfort of the student's nap and guarantees the stretching space of the student's body to a certain extent, therefore, compared with the prior art, the utility model is more beneficial to the student's health, and the structure and operation are relatively simple, thereby reducing the cost, and the utility model has high practicability.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The student sitting and sleeping dual-purpose chair comprises:

[0007] The supporting device is provided with a bottom plate, and the top end of the bottom plate is provided with a height adjusting member;

[0008] The seat plate is connected with the height adjusting member at the bottom end;

[0009] The backrest plate is provided with a gap at one end of the seat plate;

[0010] The sitting and sleeping switching device is arranged at the gap between the seat plate and the backrest plate;

[0011] The auxiliary supporting device is arranged at one side of the backrest plate.

[0012] Further, the height adjusting member comprises:

[0013] A positioning column, a bottom end of the positioning column is connected with a top end of the bottom plate;

[0014] A positioning plate, one side of the positioning plate is in contact with a side edge of the positioning column;

[0015] A first bolt, the first bolt is arranged at a contact position of the positioning column and the positioning plate.

[0016] Further, the sitting-sleeping switching device comprises:

[0017] A hinged member, the hinged member is arranged at a gap between the sitting plate and the backrest plate;

[0018] A handle, one end of the handle is connected with the hinged member.

[0019] Further, the auxiliary supporting device comprises:

[0020] A fixing plate, one side of the fixing plate is connected with a back side of the backrest plate;

[0021] A supporting column, one side of the supporting column is in a gap with another side of the fixing plate;

[0022] A movable hinged shaft, the movable hinged shaft is arranged at the gap between the supporting column and the fixing plate.

[0023] Further, the dual-purpose chair further comprises:

[0024] A blocking device;

[0025] The blocking device is arranged at the one side of the back plate, and the blocking device is used for blocking the supporting column.

[0026] Further, the blocking device comprises:

[0027] A fixing block, one side of the fixing block is connected with the back side of the backrest plate;

[0028] A second bolt, the second bolt is arranged at the fixing block and in contact with the supporting column.

[0029] Further, the dual-purpose chair further comprises:

[0030] An armrest device, the armrest device is connected with a side edge of the sitting plate.

[0031] Further, the armrest device comprises:

[0032] A damping rotating shaft, the damping rotating shaft is arranged at the side edge of the sitting plate;

[0033] A rotating member, one end of the rotating member is connected with the damping rotating shaft;

[0034] An armrest part, the armrest part is slidingly connected with another end of the rotating member.

[0035] A fixing member is arranged in the handrail part and the rotating member.

[0036] Further, the handrail device further comprises:

[0037] A handrail placing plate;

[0038] The handrail placing plate is connected with the side edge of the seat plate, and is located on one side of the damping rotating shaft.

[0039] Further, the dual-purpose chair further comprises:

[0040] A headrest;

[0041] The headrest is arranged on the backrest plate, and is close to the upper end of the backrest plate, and the headrest is used for separating the head of the student from the backrest plate.

[0042] The utility model has the advantages of:

[0043] The student sitting and sleeping dual-purpose chair provided by the utility model is provided with a sitting and sleeping switching device, the seat plate and the backrest plate can be generally placed in a horizontal state, the student can take a nap conveniently, and the stretching space of the student's body is increased; the dual-purpose chair is provided with an auxiliary supporting device, the supporting device arranged on the lower side of the seat plate can balance the dual-purpose chair together, so that the probability that the student slides from the end of the backrest plate to the floor is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0044] Figure 1 It is a general structure schematic view of the utility model;

[0045] Figure 2 It is another view of the utility model; Figure 1

[0046] Figure 3 It is a partial structure schematic view of the handrail device of the utility model;

[0047] Figure 4 It is a structure schematic view of the seat plate and the backrest plate tending to be in a horizontal state.

[0048] REFERENCE SIGNS:

[0049] 1, supporting device; 11, bottom plate; 12, height adjusting member; 121, positioning column; 122, positioning plate; 123, first bolt;

[0050] 2, seat plate;

[0051] ​3. Handrail device; 31. Damping pivot; 32. Rotating component; 321. Connecting column; 322. First slider; 323. Second slider; 33. Handrail part; 331. Groove; 332. First slide groove; 333. Second slide groove; 34. Fixing component; 341. Screw; 342. Nut; 35. Handrail placement plate;

[0052] 4. Backrest panel;

[0053] 5. Sitting / sleeping switching device; 51. Hinge component; 52. Crank handle;

[0054] 6. Auxiliary support device; 61. Fixing plate; 62. Support column; 63. Movable hinge shaft;

[0055] 7. Blocking device; 71. Fixing block; 72. Second bolt;

[0056] 8. Headrest. Detailed Implementation

[0057] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0058] Example 1

[0059] As attached Figure 1 -Appendix Figure 4 As shown in the illustration, this embodiment discloses a student chair that can be used for both sitting and sleeping, designed to promote students' physical health. It mainly includes a support device 1, a seat 2, a backrest 4, a sitting-sleeping switching device 5, and an auxiliary support device 6. When students are in class, they simply sit on the seat 2. When students need to take a nap, they first adjust the sitting-sleeping switching device 5, gradually bringing the seat 2 and backrest 4 closer to a horizontal position. Then, they lower the auxiliary support device 6, allowing its bottom end to contact the floor. This design balances the chair, allowing students to sleep comfortably while still ensuring adequate space for physical extension.

[0060] The specific structure of the student chair that can be used for sitting and sleeping is as follows: It includes a support device 1, in which a base plate 11 is provided, and a height adjustment component 12 is provided at the top of the base plate 11; a seat plate 2 is provided at the top of the height adjustment component 12; a backrest plate 4 is provided at one end of the seat plate 2, and there is a gap between the bottom end of the backrest plate 4 and the end end of the seat plate 2; a sitting-sleeping switching device 5 is provided at the gap between the seat plate 2 and the backrest plate 4; and an auxiliary support device 6 is provided on one side of the backrest plate 4. Compared with the prior art, this utility model is more beneficial to the health of students, and its structure and operation are relatively simple, thereby reducing the cost and making it highly practical.

[0061] In a specific application scenario, the support device 1 and the base plate 11 are arranged symmetrically on both sides of the bottom end of the seat plate 2. This design can improve the stability of the overall structure of this embodiment.

[0062] In a specific application scenario, the height adjustment component 12 includes components such as a positioning post 121, a positioning plate 122, and a first bolt 123. The bottom end of the positioning post 121 is connected to the top end of the base plate 11, and the side of the positioning post 121 contacts the side of the positioning plate 122. Several through holes (not shown in the figure) are provided at the contact position between the positioning post 121 and the positioning plate 122, and the first bolt 123 passes through these through holes. In use, students can remove some of the first bolts 123 from the convertible chair to lower the height of the chair, thereby adapting to the current height of the students and improving their comfort and health to a certain extent.

[0063] In a specific application scenario, as shown in the appendix Figure 2 As shown, the sitting / sleeping switching device 5 mainly includes a hinge member 51 and a crank 52. The hinge member 51 is disposed at the gap between the seat plate 2 and the backrest plate 4. Specifically, the hinge member 51 is provided with a hinge shaft (not shown in the figure), which is rotatably connected to the left side of the seat plate 2 and fixedly connected to the lower end of the backrest plate 4. A ratchet (not shown in the figure) is provided on the hinge shaft, and a fixing member (not shown in the figure) is provided next to the ratchet. A pawl (not shown in the figure) is hinged on the fixing member. The pawl can be used in conjunction with the ratchet. A crank 52 is also fixedly connected to the front end of the pawl. A balance coil spring (not shown in the figure) is also provided on the outer surface of the hinge shaft. The inner end of the balance coil spring is fixedly connected to the hinge shaft, and the outer end of the balance coil spring is fixedly connected to the outer surface of the ratchet. In use, the student rotates the crank handle 52 counterclockwise. During this process, the pawl connected to the crank handle 52 moves around the ratchet, the hinge shaft rotates, and the backrest plate 4 moves synchronously with the hinge shaft. Simultaneously, every time the pawl moves a certain distance, the balance spring will cause the pawl to stop. Then, the crank handle 52 is rotated again to move the pawl, and the backrest plate 4 gradually becomes parallel to the seat plate 2. Then, the auxiliary support device 6 can be lowered, as shown in the attached diagram.Figure 4 As shown, such design can improve the safety of students; if a student operates the handle 52, the back plate 4 will immediately fall down, which may injure the students in the back row; in addition, the back plate 4 falls down quickly, and the student may not be able to put down the auxiliary support device 6 in time, resulting in the separation of the back plate 4 and the seat plate 2, and the dual-purpose chair cannot be used; in the present embodiment, the back plate 4 slowly falls down, which can send a warning message to the students in the back row: the back plate 4 in the front row will be put down, please avoid. Therefore, such design improves the safety factor of students, and also prolongs the service life of the present embodiment.

[0064] In a specific application scenario, as shown in the accompanying drawings Figure 1 As shown, the auxiliary support device 6 provided on the back side of the back plate 4 includes a fixed plate 61, a support column 62 and a movable hinge shaft 63; the right side of the fixed plate 61 is connected with the left side of the back plate 4; there is a gap between the left side of the fixed plate 61 and the right side of the support column 62, and the support column 62 is generally symmetrically arranged on the left side of the fixed plate 61; the movable hinge shaft 63 is arranged in the gap between the support column 62 and the fixed plate 61. During a nap, the student can hold the lower part of the support column 62 with one hand and stabilize the back plate 4 with the other hand; then, the support column 62 is rotated clockwise with the movable hinge shaft 63, so that the top end of the support column 62 tends to be parallel to the left side of the fixed plate 61; at this time, the support column 62 is released, and the support column 62 will not rebound because the movable hinge shaft 63 can stabilize the current position relationship between the support column 62 and the fixed plate 61.

[0065] Further, as shown in the accompanying drawings Figure 1 As shown, the left side of the back plate 4 is provided with a blocking device 7, which is located below the aforementioned auxiliary support device 6. When the student is not napping, the blocking device 7 can stabilize the support column 62 on the left side of the back plate 4, which can prevent the student from being scratched by the support column 62 in the dual-purpose chair.

[0066] In a specific application scenario, as shown in the accompanying drawings Figure 1 As shown, the blocking device 7 mainly includes a fixed block 71 and a second screw 72; the fixed block 71 is generally symmetrically arranged on both sides of the support column 62, and a recess (not shown in the figure) is formed in the fixed block 71; the second screw 72 is arranged in the recess, and the second screw 72 is in contact with the left side of the support column 62, and at this time, the support column 62 is located between the second screw 72 and the back plate 4. When the student is napping, the second screw 72 is removed, and the support column 62 can be rotated.

[0067] Embodiment 2

[0068] As shown in the accompanying drawings Figure 1 - the accompanying drawings Figure 3As shown, the present embodiment discloses a student chair for sleeping and sitting, which is used to improve the comfort of the aforementioned embodiment 1. In addition to the components in the aforementioned embodiment 1, the chair further comprises a handrail device 3. When the student is in class or taking a nap, he can put his hands on the handrail device 3. This design expands the contact area between the student and the chair, thereby improving the comfort of the aforementioned embodiment 1.

[0069] In a specific application scenario, part of the structure of the handrail device 3 is symmetrically arranged on both sides of the aforementioned seat plate 2. The handrail device 3 comprises a damping shaft 31, a rotating member 32, a handrail part 33 and a fixing member 34. The damping shaft 31 is arranged through the side of the seat plate 2. The outer wall surface of the damping shaft 31 is in damping connection with the bottom end of the rotating member 32. The top end of the rotating member 32 is in sliding connection with the handrail part 33. The fixing member 34 is arranged through the handrail part 33. In use, the student first removes the fixing member 34. Then, the student pushes the handrail part 33 towards the backrest plate 4. In this process, the rotating member 32 rotates counterclockwise around the damping shaft 31. When the rotating member 32 and the handrail part 33 tend to be horizontal, the handrail part 33 can no longer rotate counterclockwise around the damping shaft 31. When it is necessary to move the handrail part 33 back to the initial position, the student only needs to rotate the handrail part 33 clockwise around the damping shaft 31. When the handrail part 33 can no longer rotate clockwise around the damping shaft 31, the fixing member 34 is installed.

[0070] In a specific application scenario, as shown in FIG. 2, the handrail device 3 comprises a damping shaft 31, a rotating member 32, a handrail part 33 and a fixing member 34. The damping shaft 31 is arranged through the side of the seat plate 2. The outer wall surface of the damping shaft 31 is in damping connection with the bottom end of the rotating member 32. The top end of the rotating member 32 is in sliding connection with the handrail part 33. The fixing member 34 is arranged through the handrail part 33. Figure 3As shown, the rotating member 32 comprises a connecting column 321, a first sliding block 322 and a second sliding block 323, etc.; the bottom end of the connecting column 321 is connected with the damping rotating shaft 31 in a damping manner, the top end of the connecting column 321 penetrates into the handrail part 33, and the two sides of the top end of the connecting column 321 are rotatably connected with the first sliding block 322 and the second sliding block 323 respectively; the front side of the bottom end of the handrail part 33 is provided with a notch 331, and the two sides of the notch 331 are provided with a first sliding groove 332 and a second sliding groove 333, the notch 331, the first sliding groove 332 and the second sliding groove 333 are in communication with each other, and the side of the handrail part 33 close to the top end of the connecting column 321 is provided with a through hole (not shown in the figure); wherein, the notch 331 is matched with the main body of the connecting column 321, the first sliding groove 332 is matched with the first sliding block 322, and the second sliding groove 333 is matched with the second sliding block 323; in addition, a fixing member 34 is provided close to the top end of the connecting column 321, the fixing member 34 comprises a screw 341 and a nut 342, the right end of the screw 341 penetrates into the through hole on the left side of the handrail part 33, the left end of the screw 341 penetrates through the handrail part 33 and the connecting column 321 in turn, and then penetrates out from the right side of the handrail part 33, the right end of the screw 341 is located outside the right side of the handrail part 33; the right end of the screw 341 is sleeved with the nut 342, after the nut 342 is tightened, the left side of the nut 342 is in close contact with the right side of the handrail part 33, and such design can stabilize the handrail part 33 on the upper side of the seat plate 2.

[0071] Further, the upper side of the backrest plate 4 and the position close to the top end thereof is provided with a headrest 8, no matter whether the student is in class or in a nap, the head of the student can not be in direct contact with the backrest plate 4, and such design can improve the comfort of the student.

[0072] The present embodiment also considers several cases, and the specific solutions are as follows: one is to provide an anti-skid sleeve (not shown in the figure) on the bottom plate 11, and such design can increase the friction between the bottom plate 11 and the floor; two is to provide a rubber pad (not shown in the figure) on the seat plate 2 and / or the backrest plate 4, and such design can improve the comfort of the student. The user can select the corresponding technical solution according to his own needs, as long as the purpose can be achieved.

[0073] Embodiment 3

[0074] As shown in the accompanying drawings Figure 1 or the accompanying drawings Figure 2 As shown in the accompanying drawings, the present embodiment discloses a student sitting and sleeping dual-purpose chair, which is used to improve the aesthetic appearance of the overall structure of the aforementioned embodiment 2, in addition to the components in the aforementioned embodiment 2, it also comprises a handrail placing plate 35, when the aforementioned handrail part 33 cannot be counterclockwise rotated, the handrail part 33 can be placed on the handrail placing plate 35, and such design improves the aesthetic appearance of the overall structure of the aforementioned embodiment 2.

[0075] In a specific application scenario, as shown in the accompanying drawings Figure 2 The handrail placing plate 35 is symmetrically arranged on both sides of the aforementioned seat plate 2, and is located on the left side of the aforementioned damping rotating shaft 31.

[0076] Those skilled in the art can understand that, unless specifically stated otherwise, the singular forms "a," "an," and "the" as used herein are intended to include plural forms. It should be further understood that the term "comprising" as used herein is used to mean that the features, integers, steps, operations, elements, and / or components so described are present, but not excluding the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is "connected" or "coupled" to another element, it can be directly connected or coupled to the other element, or intervening elements can be present. Also, the use of "connected" or "coupled" herein includes wireless connection or wireless coupling. The term "and / or" as used herein includes all or any combination of one or more of the associated listed items.

Claims

1. A student chair-sleeper combination, characterized in that Include: Support device (1), the support device (1) is provided with bottom plate (11), the top end of the bottom plate (11) is provided with height adjusting component (12);The seat plate (2) is connected with the height adjusting component (12) at the bottom end;Backrest plate (4), the bottom end of the backrest plate (4) and the one end of the seat plate (2) have a gap;Seat sleep switching device (5) is arranged at the gap of the seat plate (2) and the backrest plate (4);Auxiliary support device (6) is arranged on one side of the backrest plate (4).

2. The student chair of claim 1, wherein, The height adjusting component (12) comprises: a positioning column (121), the bottom end of the positioning column (121) is connected with the top end of the bottom plate (11);The side of the positioning plate (122) is in contact with the side of the positioning column (121);First bolt (123), the contact position of the positioning column (121) and the positioning plate (122) is provided.

3. The student chair of claim 1, wherein, The seat sleep switching device (5) comprises: a hinge component (51) arranged at the gap between the seat plate (2) and the backrest plate (4);The handle (52) is connected with the hinge component (51) at one end.

4. The student chair of claim 1, wherein, The auxiliary support device (6) comprises: a fixed plate (61), one side of the fixed plate (61) is connected with the back side of the backrest plate (4);Support column (62), one side of the support column (62) and the other side of the fixed plate (61) have a gap;Movable hinge shaft (63), the gap between the support column (62) and the fixed plate (61) is provided.

5. The student chair of claim 4, wherein: Also include: Blocking device (7);The blocking device (7) is arranged on the side of the back plate, and the blocking device (7) is used for blocking the support column (62).

6. The student chair of claim 5, wherein, The blocking device (7) comprises: a fixed block (71), one side of the fixed block (71) is connected with the back side of the backrest plate (4);Second bolt (72), provided in the fixed block (71), and the second bolt (72) is in contact with the support column (62).

7. The student chair of claim 1, wherein: Also include: Armrest device (3) is connected with the side of the seat plate (2).

8. The student chair of claim 7, wherein, The armrest device (3) comprises: a damping rotating shaft (31) provided in the side of the seat plate (2);Rotating component (32), one end of the rotating component (32) is connected with the damping rotating shaft (31);Armrest part (33), slidingly connected with the other end of the rotating component (32);Fixed component (34), provided in the armrest part (33) and the rotating component (32).

9. The student chair of claim 8, wherein, The armrest device (3) further comprises: an armrest placing plate (35);The armrest placing plate (35) is connected with the side of the seat plate (2), and the armrest placing plate (35) is located on one side of the damping rotating shaft (31).

10. The student chair of any of claims 1-9, wherein, Also include: Headrest (8);The headrest (8) is arranged on the backrest plate (4), and the headrest (8) is close to the upper end of the backrest plate (4), and the headrest (8) is used for separating the head of the student from the backrest plate (4).

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