Splicing type drawing board for preschool education

Abstract

The utility model relates to the technical field of preschool education, in particular to a splicing type drawing board for preschool education, which is characterized in that the bottom end of an adjusting box is provided with the top ends of three groups of supporting legs, the inner center of the adjusting box is provided with a lifting block in a lifting mechanism, and the bottom end of the lifting block is fixedly connected with the top end of a moving box; the two sides of the moving box are fixedly connected with the inner sides of the top ends of the lifting assemblies, a large-size lead screw is inserted into the bottom end of the moving box, the bottom end of the large-size lead screw penetrates through the bottom end of the center of the interior of the adjusting box in a threaded mode, and the center of the bottom end of the large-size lead screw is sleeved with the front side of the left end of the rotating assembly. Through the device, the adjusting box and the drawing board can be further supported and fixed, the stability is improved, the height can be adjusted through the lifting mechanism to be suitable for children with different heights to draw, the efficiency is improved, the assembling capacity is improved, the splicing time is shortened, and meanwhile, multiple sets of drawing board bodies can be spliced to better and conveniently draw.

Description

Technical Field

[0001] The utility model relates to the technical field of preschool education, in particular to a spliced ​​drawing board for preschool education. Background Art

[0002] Drawing board is a flat plate used to pad drawing paper when sketching and painting. It is usually made of wood and its size depends on the user's requirements. It belongs to art supplies. With the continuous improvement of living standards and cultural literacy, families are learning to draw in preschool education to improve their talents. For example, the patent document with announcement number CN218343169U discloses a spliced ​​drawing board, including a lifting plate, a hinged plate is fixedly connected to the middle part of the upper end surface of the lifting plate, a mounting plate is rotatably connected to the middle part of the upper end of the hinged plate through a pin shaft, a left drawing board is installed on the upper end of the mounting plate through bolts, and groove blocks are fixedly connected to the front and rear sides of the right end of the left drawing board, and the groove block is plugged with a right drawing board. The utility model can play a combined splicing role for the drawing board, which is convenient to carry and replace; the inclination angle and height of the drawing board can be adjusted to adapt to different users, and the practicality is good, but there is a significant difference in the height of children at different stages, and it cannot be quickly adjusted to a height suitable for children to draw, and the assembly wastes too much time and affects the teaching progress. Therefore, it is urgent to design a spliced ​​preschool education drawing board to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a splicing type drawing board for preschool education, so as to solve the problems raised in the above-mentioned background technology that the height of children at different stages varies significantly, the height cannot be quickly adjusted to a height suitable for children to draw, and the assembly wastes too much time and affects the teaching progress.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spliced ​​drawing board for preschool education, comprising an adjustment box and a drawing board main body, the bottom end of the adjustment box is provided with the top end of three groups of supporting legs, the internal center of the adjustment box is provided with a lifting block in a lifting mechanism, the bottom end of the lifting block is connected and fixedly arranged on the top end of the moving box, both sides of the moving box are fixedly provided with the top inner side of the lifting assembly, a large screw rod is inserted into the bottom end of the moving box, the bottom end thread of the large screw rod passes through the internal center bottom end of the adjustment box, the bottom end center of the large screw rod is sleeved on the left front side of the rotating assembly, the top end of the lifting block is welded and fixedly connected to the bottom end of the fixed box in the connecting mechanism, the top end of the fixed box is provided with multiple groups of limit pins, the interior of the fixed box is connected to the rear side of the L-shaped plate, the front end of the L-shaped plate is welded to the rear side center of the fixed card plate, and the front end center of the fixed card plate is connected to the rear side of the drawing board main body.

[0005] Preferably, a fixing block is provided at the lower side of the bottom end of the adjusting box, a fixing bearing is provided at the inner center of the adjusting box, and an extension opening is provided at the upper side of the top end of the adjusting box.

[0006] Preferably, the U-shaped block in the supporting leg is fixed on three sides of the bottom end of the fixed block, a circular block is provided at the bottom end of the U-shaped block, the bottom end of the circular block is connected to the top end of the column, a small screw rod is passed through the center of the circular block, and a fixing nut is sleeved on the right side of the small screw rod.

[0007] Preferably, the upper and lower ends of the slide rails in the lifting assembly are fixed to the upper and lower sides of the adjusting box, and a rack plate is provided at the inner center of the slide rail, and the rack plate engages with the front end of the rotating gear. The rotating gear is inserted in the center of the inner wall of the side plate, and the side plate is fixed to the outer walls of both sides of the moving box.

[0008] Preferably, the center of the turbine in the rotating assembly is sleeved on the lower side of the bottom end of the large screw, the bottom end of the turbine is connected to the top end of the fixed bearing, the rear side of the turbine engages with the front side of the worm, the center of the worm is sleeved with a rotating rod, the left side of the rotating rod is sleeved on the left wall inside the adjusting box, the right side of the rotating rod passes through the limit bearing fixed on the right wall of the adjusting box, and the right side of the rotating rod is connected to a rotating handle.

[0009] Preferably, an inner groove is provided at the center of the fixed clamping plate, and square grooves are provided at the centers of the upper and lower ends of the inner groove.

[0010] Preferably, a circular groove is provided at the center of the fixing box, and circular holes are provided at equal distances at the center of the top of the fixing box.

[0011] Preferably, a limit block is connected and fixed to the rear side of the drawing board body, and a limit plate is welded and fixed to the center of the upper and lower ends of the limit block.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The spliced ​​preschool education drawing board has U-shaped blocks, round blocks, columns, small screws, fixing nuts, lifting blocks, moving boxes, lifting components, slide rails, rack plates, side plates, rotating gears, large screws, rotating components, turbines, worms, rotating rods, limit bearings, rotating handles and other accessories in the supporting legs and lifting mechanism. Through this device, the adjustment box and the drawing board can be further supported and fixed to improve stability. The height can be adjusted through the lifting mechanism to suit children of different heights for drawing, thereby improving efficiency.

[0014] The splicing type drawing board for preschool education, by setting a connecting mechanism and fixing the card plate, inner groove, square groove, L-shaped plate, fixing box, circular groove, round hole, limit pin, limit block, limit plate and other accessories in the drawing board body, can further improve the stability of the drawing board for easy assembly, improve the assembly capacity and reduce the splicing time, and at the same time, multiple groups of drawing board bodies can be spliced ​​together to make drawing more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the side view of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the support leg structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connection mechanism of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the fixed box of the utility model;

[0019] Figure 5 This is a schematic diagram of the internal structure of the regulating box of the utility model.

[0020] In the figure: 1. Adjustment box; 101. Fixed block; 102. Fixed bearing; 103. Extension port; 2. Support leg; 201. U-shaped block; 202. Round block; 203. Column; 204. Small screw rod; 205. Fixed nut; 3. Lifting mechanism; 301. Lifting block; 302. Moving box; 303. Lifting assembly; 3031. Slide rail; 3032. Rack plate; 3033. Side plate; 3034. Rotating gear; 304. Large Screw; 305, rotating assembly; 3050, turbine; 3051, worm; 3052, rotating rod; 3053, limit bearing; 3054, rotating handle; 4, connecting mechanism; 401, fixed clamping plate; 4011, inner groove; 4012, square groove; 402, L-shaped plate; 403, fixed box; 4031, circular groove; 4032, round hole; 404, limit pin; 5, drawing board body; 501, limit block; 502, limit plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-5 , an embodiment provided by the utility model:

[0023] A spliced ​​preschool education drawing board, comprising an adjustment box 1 and a drawing board body 5, characterized in that: the bottom end of the adjustment box 1 is provided with the top of three groups of supporting legs 2, the inner center of the adjustment box 1 is provided with a lifting block 301 in a lifting mechanism 3, the bottom end of the lifting block 301 is connected and fixed to the top of a moving box 302, both sides of the moving box 302 are fixedly connected to the inner side of the top of a lifting assembly 303, the bottom end of the moving box 302 is inserted with a large screw rod 304, and the bottom end of the large screw rod 304 is threaded The inner center bottom end of the adjusting box 1 is penetrated, and the bottom center of the large screw rod 304 is sleeved on the left front side of the rotating assembly 305. The top end of the lifting block 301 is welded to the bottom end of the fixed box 403 in the connecting mechanism 4. The top end of the fixed box 403 is provided with multiple groups of limit pins 404. The interior of the fixed box 403 is connected to the rear side of the L-shaped plate 402. The front end of the L-shaped plate 402 is welded to the rear center of the fixed card plate 401. The front end center of the fixed card plate 401 is connected to the rear side of the drawing board body 5.

[0024] According to the attached Figure 5 A fixing block 101 is provided at the lower side of the bottom end of the adjusting box 1, a fixing bearing 102 is provided at the inner center of the adjusting box 1, and an extension opening 103 is provided at the upper side of the top end of the adjusting box 1. This device is used to support the drawing board and improve stability.

[0025] Furthermore, the U-shaped block 201 in the supporting leg 2 is fixed on three sides of the bottom end of the fixed block 101, and a circular block 202 is provided at the bottom end of the U-shaped block 201. The bottom end of the circular block 202 is connected to the top end of the column 203. A small screw rod 204 runs through the center of the circular block 202, and a fixing nut 205 is sleeved on the right side of the small screw rod 204. This device further improves stability and facilitates painting.

[0026] As a further feature of the present invention, the upper and lower ends of the slide rail 3031 in the lifting assembly 303 are fixedly mounted on the upper and lower sides of the adjusting box 1, and a rack plate 3032 is provided at the inner center of the slide rail 3031, wherein the rack plate 3032 meshes with the front end of a rotating gear 3034, and the rotating gear 3034 is inserted into the center of the inner wall of the side plate 3033, and the side plate 3033 is fixedly mounted on the outer walls of both sides of the moving box 302, so that the lifting stability can be improved conveniently.

[0027] Furthermore, the center of the turbine 3050 in the rotating component 305 is sleeved on the lower side of the bottom end of the large screw 304, the bottom end of the turbine 3050 is connected to the top of the fixed bearing 102, the rear side of the turbine 3050 engages with the front side of the worm 3051, and the center of the worm 3051 is sleeved with a rotating rod 3052, the left side of the rotating rod 3052 is sleeved on the left wall inside the adjusting box 1, and the right side of the rotating rod 3052 passes through the limit bearing 3053 fixed on the right wall of the adjusting box 1, and the right side of the rotating rod 3052 is connected with a rotating handle 3054, which is convenient for adjusting the height to adjust for children of different heights.

[0028] Furthermore, an inner groove 4011 is provided at the center of the fixed clamping plate 401 , and square grooves 4012 are provided at the centers of the upper and lower ends of the inner groove 4011 , so as to facilitate quick assembly and improve efficiency.

[0029] Furthermore, a circular groove 4031 is provided at the center of the fixing box 403, and circular holes 4032 are provided at equal distances at the center of the top of the fixing box 403. This device can be used to quickly fix the fixing box 403 and save time.

[0030] Furthermore, a limit block 501 is fixedly connected to the rear side of the drawing board body 5, and a limit plate 502 is welded and fixed at the center of the upper and lower ends of the limit block 501 to facilitate splicing and drawing.

[0031] Working principle: When in use, the user first rotates the fixing nut 205 on the right side of the U-shaped block 501 at the bottom end of the supporting leg 2, and supports and fixes the circular block 202 and the column 203 through the fixing nut 205, and then rotates the rotating handle 3054 on the right side of the adjusting box 1, and the rotating handle 3054 is rotated to drive the rotating rod 3052 to rotate, and the rotating rod 3052 is rotated to drive the worm 3051 to rotate, and the worm 3051 rotates to engage the turbine 3050 to rotate, and the large screw rod 304 is driven to rise through the rotation of the turbine 3050 to drive the moving box 302 to rise, and the side plates at both ends of the moving box 302 are used. The rotating gear 3034 inside 3033 engages with the rack plate 3032 inside the slide rails 3031 on both sides to rise. After the lifting block 301 on the top of the lifting box 302 rises synchronously, the L-shaped plate 402 on the rear side of the fixed card plate 401 can be extended to the inside of the fixed box 403 welded and fixed on the top of the lifting block 301, and it is threadedly fixed by the limit pin 404 through the circular hole 4032 opened at the top of the fixed box 403, and then it can be fixed in the fixed card plate 401 through the limit block 501 and the limit plate 502 provided on the rear side of the drawing board body 5, so as to be used. The above is the entire working principle of the utility model.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, 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, the embodiments should be regarded as exemplary and non-limiting from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A spliced ​​drawing board for preschool education, comprising an adjustment box (1) and a drawing board body (5), characterized in that: The bottom end of the regulating box (1) is provided with the top ends of three groups of supporting legs (2); the inner center of the regulating box (1) is provided with a lifting block (301) of the lifting mechanism (3); the bottom end of the lifting block (301) is connected and fixedly arranged on the top end of the moving box (302); both sides of the moving box (302) are fixedly arranged with the inner side of the top end of the lifting assembly (303); the bottom end of the moving box (302) is inserted with a large screw rod (304); the bottom end of the large screw rod (304) is threadedly passed through the inner center bottom end of the regulating box (1); The center of the bottom end of the large screw rod (304) is sleeved on the left front side of the rotating assembly (305); the top end of the lifting block (301) is welded to the bottom end of the fixed box (403) in the connecting mechanism (4); the top end of the fixed box (403) is provided with a plurality of limit pins (404); the interior of the fixed box (403) is connected to the rear side of the L-shaped plate (402); the front end of the L-shaped plate (402) is welded to the rear center of the fixed card plate (401); the front end center of the fixed card plate (401) is connected to the rear side of the drawing board body (5).

2. A spliced ​​preschool education drawing board according to claim 1, characterized in that: A fixing block (101) is provided at the lower side of the bottom end of the regulating box (1), a fixing bearing (102) is provided at the inner center of the regulating box (1), and an extension opening (103) is provided at the upper side of the top end of the regulating box (1).

3. The splicing type preschool education drawing board according to claim 1, characterized in that: The U-shaped block (201) in the supporting leg (2) is fixedly arranged on three sides of the bottom end of the fixed block (101); a circular block (202) is arranged at the bottom end of the U-shaped block (201); the bottom end of the circular block (202) is connected to the top end of the column (203); a small screw rod (204) is passed through the center of the circular block (202); a fixing nut (205) is sleeved on the right side of the small screw rod (204).

4. The splicing type preschool education drawing board according to claim 1, characterized in that: The upper and lower ends of the slide rail (3031) in the lifting assembly (303) are fixedly mounted on the upper and lower sides of the adjusting box (1). A rack plate (3032) is provided at the inner center of the slide rail (3031). The rack plate (3032) meshes with the front end of a rotating gear (3034). The rotating gear (3034) is inserted at the center of the inner wall of the side plate (3033). The side plate (3033) is fixedly mounted on the outer walls of both sides of the moving box (302).

5. The spliced ​​drawing board for preschool education according to claim 1, characterized in that: The center of the turbine (3050) in the rotating assembly (305) is sleeved on the lower side of the bottom end of the large screw (304); the bottom end of the turbine (3050) is connected to the top end of the fixed bearing (102); the rear side of the turbine (3050) is meshed with the front side of the worm (3051); the center of the worm (3051) is sleeved with a rotating rod (3052); the left side of the rotating rod (3052) is sleeved on the left wall inside the regulating box (1); the right side of the rotating rod (3052) passes through a limit bearing (3053) fixed on the right wall of the regulating box (1); and the right side of the rotating rod (3052) is connected to a rotating handle (3054).

6. The spliced ​​drawing board for preschool education according to claim 1, characterized in that: An inner groove (4011) is provided at the center of the fixed clamping plate (401), and square grooves (4012) are provided at the centers of the upper and lower ends of the inner groove (4011).

7. The spliced ​​drawing board for preschool education according to claim 1, characterized in that: A circular groove (4031) is provided at the center of the fixing box (403), and circular holes (4032) are provided at equal distances at the center of the top of the fixing box (403).

8. The spliced ​​drawing board for preschool education according to claim 1, characterized in that: A limit block (501) is connected and fixedly arranged on the rear side of the drawing board body (5), and a limit plate (502) is welded and fixedly arranged at the center of the upper and lower ends of the limit block (501).

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