CN212185710U - Desk is used in general teaching with adjustable desktop - Google Patents

Abstract

The utility model discloses a desk is used in general teaching with adjustable desktop, including placing board, desktop board and fixed block, fixed block fixed mounting is in the rear side position of pencil box, and the inside of fixed block runs through and installs the montant, the outside of montant is connected with the spring, the upper surface right side of placing the board has seted up the spacing groove, the bottom fixed mounting who places the box has the supporting shoe, the rear side of placing the board is connected with the head rod, and the head rod runs through the inside of installing at the second connecting rod, the internally mounted of head rod has the gear, and the inside of gear runs through and installs the bull stick, first supporting leg is connected with placing the board through the hinge, and places the upper surface rear side position symmetry of board and has seted up the spread groove, the internally mounted of placing the box has the second baffle. This general teaching is with desk with adjustable desktop not only is convenient for adjust the desktop, and the textbook of conveniently using often is placed moreover.

Description

Desk is used in general teaching with adjustable desktop

Technical Field

The utility model belongs to the technical field of general teaching, concretely relates to desk is used in general teaching with adjustable desktop.

Background

The desk is the essential apparatus in the teaching classroom, and current desk only has a desktop usually, and the student can write on it to deposit books, how to use drawing board and current desk wholly be the problem that will solve in the current general teaching.

The existing desk for general teaching is not only inconvenient to adjust the desktop, but also inconvenient to place textbooks frequently used, so that the design and production of the desk for general teaching with the adjustable desktop are urgently needed to meet the requirements of actual use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a desk is used in general teaching with adjustable desktop to solve the current desk for general teaching that provides in the above-mentioned background art, not only be not convenient for adjust the desktop, inconvenient problem of placing to the textbook of often using moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a general teaching desk with an adjustable desktop comprises a placing plate, a desktop plate and a fixed block, wherein a first baffle is symmetrically and fixedly installed at the bottom of the placing plate, a first supporting leg is installed on the inner side of the first baffle, the first supporting leg is installed in a second supporting leg in a penetrating mode, the first supporting leg and the second supporting leg are connected through a bolt, a cross rod is connected between the first supporting legs, a drawer is installed above the placing plate, the desktop plate is installed at the upper position of the drawer, a pen box is fixedly installed on the rear surface of the desktop plate, the fixed block is fixedly installed at the rear side position of the pen box, a vertical rod is installed in the fixed block in a penetrating mode, a spring is connected to the outer side of the vertical rod, a limiting groove is formed in the right side of the upper surface of the placing plate, the right end of the placing plate is connected with a placing box, and a, the rear side of placing the board is connected with the head rod, and the head rod runs through the inside of installing at the second connecting rod, the internally mounted of head rod has the gear, and the inside of gear runs through installs the bull stick, first supporting leg through the hinge with place the board and be connected, and place the upper surface rear side position symmetry of board and seted up the spread groove, the internally mounted of placing the box has the second baffle.

Preferably, the connection mode of the first baffle and the first supporting leg is lap joint, and the first supporting leg is fixedly arranged with the second supporting leg through a bolt.

Preferably, a rotating structure is formed between the table top plate and the placing plate, and the rotating angle range of the table top plate is smaller than 90 degrees.

Preferably, the placing box and the placing plate form a dismounting structure, and the placing box and the second baffle form a sliding structure.

Preferably, the first connecting rod, the second connecting rod, the table top plate and the placing plate form a triangular structure, and the second connecting rod penetrates through the connecting groove.

Preferably, a telescopic structure is formed between the first connecting rod and the second connecting rod, and the inner wall of the second connecting rod is of a sawtooth structure.

The utility model discloses a technological effect and advantage: this general teaching is with desk with adjustable desktop not only is convenient for adjust the desktop, and the textbook of conveniently using often is placed moreover.

1. The limiting groove is formed in the right end position of the upper surface of the placing plate, the supporting block fixedly installed at the bottom of the box is placed, and the clamping between the placing plates is achieved, so that the placing box is fixed, books frequently used can be placed through the placing box, and the inner space of the placing box is conveniently adjusted through sliding of the second baffle.

2. When needs normally went a class, rotate the desktop board for the upper surface of desktop board is parallel with the upper surface of placing the board, and through running through the inside of pen box and fixed block with the montant, thereby fix the desktop board, avoid the desktop board to drop suddenly and press from both sides user's hand.

3. The desktop board and the placing board form a rotating structure, when the desktop board needs to be placed on the placing board for drawing, the angle of the desktop board can be conveniently adjusted, the rotating desktop board is fixed through the linkage structure formed between the first connecting rod, the second connecting rod and the gear, and drawing on the desktop board is facilitated.

Drawings

Fig. 1 is a rear view structure diagram of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a front sectional view of the present invention;

FIG. 4 is a schematic view of the connection structure of the first connecting rod and the second connecting rod of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. the pen box comprises a placing plate, 2, a first baffle, 3, a first supporting leg, 4, a second supporting leg, 5, a bolt, 6, a cross rod, 7, a drawer, 8, a desktop plate, 9, a pen box, 10, a fixing block, 11, a vertical rod, 12, a spring, 13, a limiting groove, 14, a placing box, 15, a supporting block, 16, a first connecting rod, 17, a second connecting rod, 18, a gear, 19, a rotating rod, 20, a hinge, 21, a second baffle, 22 and a connecting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless the direction is defined separately, the directions of up, down, left, right, front, back, etc. referred to herein are the directions of up, down, left, right, front, back, etc. in the drawings of the present invention, and are herein incorporated by reference.

The utility model provides a general teaching desk with adjustable desktop as shown in figures 1-5, which comprises a placing plate 1, a first baffle 2, a first supporting leg 3, a second supporting leg 4, a bolt 5, a cross rod 6, a drawer 7, a desktop plate 8, a pen box 9, a fixed block 10, a vertical rod 11, a spring 12, a limiting groove 13, a placing box 14, a supporting block 15, a first connecting rod 16, a second connecting rod 17, a gear 18, a rotating rod 19, a hinge 20, a first baffle 21 and a connecting groove 22, wherein the bottom of the placing plate 1 is symmetrically and fixedly provided with the first baffle 2, the inner side of the first baffle 2 is provided with the first supporting leg 3, the first baffle 2 is connected with the first supporting leg 3 in an overlapping way, the first supporting leg 3 is fixedly arranged with the second supporting leg 4 through the bolt 5, the first baffle 2 can limit the first supporting leg 3, the first supporting leg 3 is arranged in the second supporting leg 4 in a penetrating way, the first supporting leg 3 is connected with the second supporting leg 4 through a bolt 5, a cross rod 6 is connected between the first supporting legs 3, a drawer 7 is installed above the placing plate 1, a rotating structure is formed between the table top plate 8 and the placing plate 1, the rotating angle range of the table top plate 8 is smaller than 90 degrees, the table top plate 8 is convenient to rotate, the table top plate 8 is installed at the upper position of the drawer 7, a pen box 9 is fixedly installed on the rear surface of the table top plate 8, a fixing block 10 is fixedly installed at the rear side position of the pen box 9, a vertical rod 11 is installed inside the fixing block 10 in a penetrating mode, a spring 12 is connected to the outer side of the vertical rod 11, a limiting groove 13 is formed in the right side of the upper surface of the placing plate 1, the placing box 14 is connected with the right end of the placing plate 1, a dismounting structure is formed between the placing box 14 and the placing plate, be convenient for take off placing box 14, the bottom fixed mounting who places box 14 has supporting shoe 15, the rear side of placing board 1 is connected with head rod 16, and head rod 16 runs through the inside of installing at second connecting rod 17, the internally mounted of head rod 16 has gear 18, and the inside of gear 18 runs through installs bull stick 19, first supporting leg 3 through hinge 20 with place board 1 and be connected, and place the upper surface rear side position symmetry of board 1 and seted up spread groove 22, the internally mounted of placing box 14 has first second baffle 21.

Specifically, as shown in fig. 1 and 4, a triangular structure is formed between the first connecting rod 16, the second connecting rod 17, the table top 8 and the placing plate 1, the second connecting rod 17 penetrates through the connecting groove 22, and the second connecting rod 17 can fix the table top 8 which rotates.

Specifically, as shown in fig. 4, a telescopic structure is formed between the first connecting rod 16 and the second connecting rod 17, and the inner wall of the second connecting rod 17 is a saw-toothed structure, so that the distance between the first connecting rod 16 and the second connecting rod 17 can be conveniently adjusted.

Specifically, the desk for general teaching with the adjustable desktop is characterized in that a limiting groove 13 is formed in the right end position of the upper surface of a placing plate 1 in a figure 2, a supporting block 15 fixedly installed at the bottom of the placing box 14 in the figure 1 is inserted into the limiting groove 13 so as to fix the placing box 14, a frequently used textbook can be placed through the placing box 14, a first baffle plate 21 and a second baffle plate 21 are installed inside the placing box 14 in a clamped mode so as to conveniently adjust the inner space of the placing box 14, the placing plate 1 is connected with a first supporting leg 3 through a hinge 20, the first supporting leg 3 is tightly attached to the first baffle plate 2 by rotating the first supporting leg 3, a cross rod 6 is inserted into the inner side position of the first supporting leg 3 so as to fix the first supporting leg 3 and a second supporting leg 4, and meanwhile the first supporting leg 3 and the second supporting leg 4 can be conveniently folded, the whole volume of the device can be reduced, a telescopic structure is formed between the first supporting leg 3 and the second supporting leg 4, and the telescopic structure is fixed through the bolt 5, the whole height of the device is convenient to adjust, a rotating structure is formed between the table top plate 8 and the placing plate 1, when drawing is needed on the placing plate 1, the table top plate 8 needs to be rotated, the rear side of the table top plate 8 is connected with a first connecting rod 16 and a second connecting rod 17 as shown in figure 5, the rotating rod 19 is rotated by hands, the rotating rod 19 drives the gear 18 to rotate, the gear 18 is installed inside the first connecting rod 16, the inner wall of the second connecting rod 17 is of a saw-toothed structure, the second connecting rod 17 can be pulled out of the first connecting rod 16, the rotating gear 18 is fixed through a fastening bolt on the rear side of the rotating rod 19, the second connecting rod 17 is inserted into the connecting groove 22, and the rotating table top plate 8 is fixed, when needing to go on a class normally, rotate desktop board 8 for the upper surface of desktop board 8 is parallel with the upper surface of placing board 1, and run through the inside of pencil box 9 and fixed block 10 with montant 11, thereby fix desktop board 8, avoid desktop board 8 to drop suddenly and press from both sides user's hand, this is this desktop adjustable general teaching is with the whole course of work of desk.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims (6)

1. The utility model provides a desk is used in general teaching with adjustable desktop, is including placing board (1), desktop board (8) and fixed block (10), its characterized in that: the novel pen rack is characterized in that a first baffle (2) is symmetrically and fixedly arranged at the bottom of the placing plate (1), first supporting legs (3) are arranged on the inner side of the first baffle (2), the first supporting legs (3) are installed in second supporting legs (4) in a penetrating mode and connected with the second supporting legs (4) through bolts (5), cross rods (6) are connected between the first supporting legs (3), drawers (7) are installed above the placing plate (1), the table top plate (8) is installed at the upper position of the drawers (7), a pen box (9) is fixedly installed on the rear surface of the table top plate (8), fixing blocks (10) are fixedly installed at the rear side of the pen box (9), vertical rods (11) are installed in the fixing blocks (10) in a penetrating mode, springs (12) are connected to the outer sides of the vertical rods (11), limiting grooves (13) are formed in the right side of the upper surface of the placing plate (1), and place the right-hand member of board (1) and be connected with and place box (14), the bottom fixed mounting who places box (14) has supporting shoe (15), the rear side of placing board (1) is connected with head rod (16), and head rod (16) run through the inside of installing at second connecting rod (17), the internally mounted of head rod (16) has gear (18), and the inside of gear (18) runs through installs bull stick (19), first supporting leg (3) are connected with placing board (1) through hinge (20), and place the upper surface rear side position symmetry of board (1) and seted up spread groove (22), the internally mounted who places box (14) has second baffle (21).

2. The desk for general teaching of claim 1, wherein the adjustable desktop comprises: the first baffle (2) and the first supporting leg (3) are connected in a lap joint mode, and the first supporting leg (3) is fixedly arranged with the second supporting leg (4) through a bolt (5).

3. The desk for general teaching of claim 1, wherein the adjustable desktop comprises: a rotating structure is formed between the desktop plate (8) and the placing plate (1), and the rotating angle range of the desktop plate (8) is smaller than 90 degrees.

4. The desk for general teaching of claim 1, wherein the adjustable desktop comprises: the placing box (14) and the placing plate (1) form a dismounting structure, and the placing box (14) and the second baffle plate (21) form a sliding structure.

5. The desk for general teaching of claim 1, wherein the adjustable desktop comprises: the first connecting rod (16), the second connecting rod (17), the tabletop plate (8) and the placing plate (1) form a triangular structure, and the second connecting rod (17) penetrates through the connecting groove (22).

6. The desk for general teaching of claim 1, wherein the adjustable desktop comprises: a telescopic structure is formed between the first connecting rod (16) and the second connecting rod (17), and the inner wall of the second connecting rod (17) is of a sawtooth-shaped structure.

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