CN204764492U - Back device of student's bed - Google Patents

Abstract

The utility model discloses a backrest device for a student bed, which comprises a base, an adjustment cover, a sliding plate, a sliding groove, a short support rod, a No. 1 hinge, a backrest, a pillow cushion, a telescopic sleeve, a screw rod, a No. 2 bevel gear, and a rotating rod. and a bookshelf, the upper end of the base is provided with a sliding plate, the base at the lower end of the sliding plate is provided with a chute, the upper part of the sliding plate is provided with a backrest, the surface of the backrest is provided with air holes, the surface of the left end of the backrest is provided with a pillow, the right end of the backrest and There is a short support rod between the sliding plates, a No. 1 hinge is provided between the short support rod and the backrest, a telescopic sleeve is provided at the lower end, a screw is provided at the lower end of the telescopic sleeve, an adjustment cover is provided at the lower end of the screw rod, and the lower end of the screw rod is connected to the No. 2 hinge. The lower end of the second bevel gear is provided with a rotating rod, and the upper left end of the base is provided with a bookshelf. The utility model has simple and reasonable structure, convenient operation, large book capacity, and low manufacturing cost, thereby facilitating the popularization of the device.

Description

A backrest device for a student bed

technical field

The utility model relates to a student appliance, in particular to a backrest device of a student bed.

Background technique

Most of the beds in university dormitories and all boarding middle school dormitories are double-layer or single-layer, but this is just a bed, which has no other functions except sleeping. The traditional reading in bed is not good for the eyes. How to achieve both through reasonable design? It can be convenient for students to read on the bed, and can reduce the fatigue of the spine and waist caused by reading on the bed, which is an urgent problem to be solved at present.

Utility model content

The purpose of this utility model is to provide a backrest device for a student bed to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A backrest device for a student bed, comprising a base, an adjustment cover, a sliding plate, a No. 1 bevel gear, a height adjustment button, a sliding groove, a horizontal fastening button, a fixing hole, a supporting short rod, a No. 1 hinge, a backrest, a pillow, No. 2 hinge, telescopic sleeve, screw, No. 2 bevel gear, rotating rod, air hole, bookshelf, lamp holder, amorphous lamp post, LED lamp and fan. The corners of the base are provided with fixing holes, and the upper end of the base is provided with sliding The base of the lower end of the sliding plate is provided with a chute, the upper end of the sliding plate is provided with a horizontal fastening button, the upper part of the sliding plate is provided with a backrest, the surface of the backrest is provided with air holes, the surface of the left end of the backrest is provided with a pillow, the right end of the backrest and There is a supporting short rod between the sliding plates, a No. 1 hinge is provided between the supporting short rod and the backrest, a telescopic sleeve is provided at the lower end, a No. 2 hinge is provided between the telescopic sleeve and the backrest, and a screw rod is provided at the lower end of the telescopic sleeve. The lower end of the screw rod is provided with an adjusting cover, the screw rod passes through the upper end of the adjusting cover, the lower end of the screw rod is connected to the No. 2 bevel gear, and the lower end of the No. 2 bevel gear is provided with a rotating rod. There is a height adjustment button on the right side, a bookshelf is arranged at the upper left end of the base, a lamp holder is arranged on the top of the bookshelf, an LED lamp is arranged on the lamp holder, an amorphous lamppost is arranged between the LED lamp and the lamp holder, and the sliding part under the backrest There is a fan on the board.

As a further solution of the utility model: the bookshelf is provided with five storage layers.

As a further solution of the utility model: a bearing is provided between the lower end of the rotating rod and the sliding plate.

As a further solution of the present utility model: the ventilation holes are arranged at equal intervals.

As a further solution of the utility model: the adjustment cover is fixed on the sliding plate by bolts.

As a further solution of the utility model: the threaded connection between the screw rod and the telescopic sleeve.

Compared with the prior art, the beneficial effect of the utility model is: the utility model fixes the device on the bed board through the fixing hole, the upper end of the base is provided with a sliding plate, the base at the lower end of the sliding plate is provided with a chute, the chute and the sliding plate The cooperation of the backrest realizes the adjustment of the horizontal distance of the backrest. When the height of the backrest needs to be adjusted, the No. 1 bevel gear is driven to rotate by rotating the height adjustment knob, and then the No. 2 bevel gear is driven to rotate. The No. 2 bevel gear drives the screw to rotate, and the screw and telescopic The sleeves are threaded. When the screw and the telescopic sleeve rotate relative to each other, the length of the screw will be changed, thus realizing the adjustment of the height of the left end of the backrest. This purely mechanical height adjustment method is simple in structure, reasonable in structure, convenient in operation, and easy to manufacture. The cost is low, which facilitates the promotion of the device. At the same time, there is a bookshelf on the upper left end of the base. The function of the bookshelf is to facilitate students to place books. In addition, there is a fan on the sliding plate under the backrest. The function of the fan is to cool down the back of the student when the weather is hot, which improves the comfort of the device.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a structural schematic diagram of the backrest in the utility model.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1 to 2. In the embodiment of the present invention, a backrest device for a student bed includes a base 1, an adjustment cover 2, a sliding plate 3, a No. 1 bevel gear 4, a height adjustment button 5, a sliding groove 6, a lateral Fastening button 7, fixing hole 8, supporting short rod 9, No. 1 hinge 10, backrest 11, pillow cushion 12, No. 2 hinge 14, telescopic sleeve 15, screw rod 16, No. 2 bevel gear 17, rotating rod 18, air vent 19. Bookshelf 20, lamp holder 21, amorphous lamp post 22, LED lamp 23 and fan 24, the corner of the base 1 is provided with fixing holes 8, the upper end of the base 1 is provided with a sliding plate 3, and the base 1 at the lower end of the sliding plate 3 There is a chute 6 on the top, the function of the chute 6 is to facilitate the adjustment of the position of the sliding plate 3 on the base 1, the upper end of the sliding plate 3 is provided with a horizontal fastening button 7, and the horizontal fastening button 7 is fixed on the sliding plate 3 through threaded connection , the function of the horizontal fastening button 7 is to fix the position between the sliding plate 3 and the base 1, the top of the sliding plate 3 is provided with a backrest 11, the backrest 11 is made of rubber material, and steel wires are added inside, which is curved and conforms to the human body. When sitting or standing, the spine has a line-like curve, and the outer surface is made of soft sofa cushion material or high-strength gauze, which makes people feel soft and comfortable after leaning on it. The surface of the backrest 11 is equipped with air holes 19, and the air holes 19 are equidistant Set, the surface of the left end of the backrest 11 is provided with a pillow 12, the right end of the backrest 11 and the sliding plate 3 are provided with a short support bar 9, and a No. 1 hinge 10 is provided between the short support bar 9 and the backrest 11, and the lower end of the backrest 11 is provided with Telescopic sleeve 15, No. 2 hinge 14 is arranged between telescopic sleeve 15 and backrest 11, telescopic sleeve 15 is a hollow structure, telescopic sleeve 15 lower end is provided with screw rod 16, is threaded connection between screw rod 16 and telescopic sleeve 15, screw rod 16 lower end An adjusting cover 2 is provided, and the adjusting cover 2 is fixed on the sliding plate 3 by bolts. The screw rod 16 passes through the upper end of the adjusting cover 2, and the lower end of the screw rod 16 is connected with the No. 2 bevel gear 17. A bearing is arranged between the lower end of the rod 18 and the sliding plate 3. The function of the bearing is to reduce the wear between the rotating rod 18 and the sliding plate 3. The right side of the No. 2 bevel gear 17 meshes with a No. 1 bevel gear 4 and a No. 1 bevel gear. 4 The right side is provided with a height adjustment button 5. When the height of the backrest 11 needs to be adjusted, the rotation of the height adjustment button 5 drives the No. 1 bevel gear 4 to rotate, and then drives the No. 2 bevel gear 17 to rotate, and the No. 2 bevel gear 17 drives the screw rod 16 to rotate , while the threaded connection between the screw rod 16 and the telescopic sleeve 15 will change the length of the screw rod 16 when the screw rod 16 and the telescopic sleeve 15 rotate relatively, thus realizing the adjustment of the height of the left end of the backrest 11. The height of this purely mechanical structure The adjustment method is simple in structure, reasonable, easy to operate, and low in manufacturing cost, thereby facilitating the popularization of the device. The upper left end of the base 1 is provided with a bookshelf 20, and the function of the bookshelf 10 is to facilitate students to place books. The bookshelf 20 is provided with five layers of placement layers. , thereby avoiding the squeeze between the book and the book, and then causing the problem of difficulty in taking the book, the top of the bookshelf 20 is provided with a lamp holder 21, and the lamp holder 21 is provided with an LED lamp 23, and the setting of the LED lamp 23 improves the reading experience of students. Lighting conditions, LED An amorphous lamp post 22 is arranged between the lamp 23 and the lamp holder 21. The effect of the amorphous lamp post 22 is to facilitate the adjustment of the LED lamp by students. The sliding plate 3 below the backrest 11 is provided with a fan 24. The function of the fan 24 is to Cools students' backs during hotter days.

The working principle of the utility model is: the utility model fixes the device on the bed board through the fixing hole, the upper end of the base is provided with a sliding plate, and the base at the lower end of the sliding plate is provided with a chute, and the cooperation of the chute and the sliding plate realizes the back rest. To adjust the horizontal distance, when the height of the backrest needs to be adjusted, turn the height adjustment knob to drive the No. 1 bevel gear to rotate, and then drive the No. 2 bevel gear to rotate. The No. 2 bevel gear drives the screw to rotate, and the screw and the telescopic sleeve are threaded. , when the screw rod and the telescopic sleeve rotate relative to each other, the length of the screw rod will be changed, thus realizing the adjustment of the height of the left end of the backrest. The promotion of the device, at the same time, there is a bookshelf on the upper left end of the base. The function of the bookshelf is to facilitate students to place books. The bookshelf is equipped with five layers of placement, thereby avoiding the squeeze between the book and the book, thereby causing the problem of difficulty in taking the book. In addition The sliding plate under the backrest is provided with a fan, and the function of the fan is to cool down the back of the student when the weather is hot, which improves the comfort of the device.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. A backrest device for a student bed, including a base, an adjustment cover, a sliding plate, a No. 1 bevel gear, a height adjustment button, a sliding groove, a horizontal fastening button, a fixing hole, a short support rod, a No. 1 hinge, a backrest, and a pillow Pad, No. 2 hinge, telescopic sleeve, screw rod, No. 2 bevel gear, rotating rod, ventilation hole, bookshelf, lamp holder, amorphous lamp post, LED lamp and fan. It is characterized in that the corners of the base are provided with fixing holes , the upper end of the base is provided with a sliding plate, the base at the lower end of the sliding plate is provided with a chute, the upper end of the sliding plate is provided with a horizontal fastening button, the upper part of the sliding plate is provided with a backrest, the surface of the backrest is provided with ventilation holes, and the surface of the left end of the backrest is provided with Pillow cushion, a short support rod is arranged between the right end of the backrest and the sliding plate, a No. 1 hinge is provided between the short support rod and the backrest, a telescopic sleeve is provided at the lower end, and a No. 2 hinge is provided between the telescopic sleeve and the backrest. The lower end of the sleeve is provided with a screw, and the lower end of the screw is provided with an adjustment cover. The screw passes through the upper end of the adjustment cover. The lower end of the screw is connected to the No. 2 bevel gear, and the lower end of the No. 2 bevel gear is provided with a rotating rod. Gear, the height adjustment button is provided on the right side of the No. 1 bevel gear, a bookshelf is provided at the upper left end of the base, a lamp holder is provided on the top of the bookshelf, an LED lamp is provided on the lamp holder, and an amorphous lamp is arranged between the LED lamp and the lamp holder column, fan is located on the sliding plate under the backrest. 2. The backrest device of a student bed according to claim 1, wherein the bookshelf is provided with five placement layers. 3. The backrest device of a student bed according to claim 1, wherein a bearing is provided between the lower end of the rotating rod and the sliding plate. 4 . The backrest device of a student bed according to claim 1 , wherein the ventilation holes are arranged at equal intervals. 5 . The backrest device of a student bed according to claim 1 , wherein the adjustment cover is fixed on the sliding plate by bolts. 6 . 6 . The backrest device of a student bed according to claim 1 , wherein the threaded connection between the screw rod and the telescopic sleeve. 7 .