Portable teaching appliance for education

Abstract

The utility model belongs to the technical field of teaching aids, and particularly relates to a portable teaching aid for education, which comprises a base, a blackboard is arranged above the base, a lifting component for adjusting the height of the blackboard is arranged on the base, two insertion openings are symmetrically formed in two side walls of the base, and the insertion openings are communicated with the blackboard. And stable bottom plates are inserted into the four inserting openings correspondingly, and clamping holes are formed in the surfaces of the four stable bottom plates correspondingly. By arranging the base and the lifting assembly, the height of the blackboard can be adjusted, when the blackboard needs to be used, the height of the blackboard can be increased, when the device needs to be carried, the height of the blackboard can be reduced, the device can be stably placed by arranging the four stable bottom plates, and by arranging the clamping hole, the clamping assembly and the placing box, the device can be conveniently placed. When the device needs to be carried, the four stable bottom plates can be conveniently and rapidly detached from the base and then placed in the containing box, so that the overall size can be reduced, and the device can be conveniently carried by a user.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching tools, in particular to a portable teaching tool for education. Background Art

[0002] With the development of society, teaching is no longer limited to the classroom. Some teachers may teach outdoors. In the process of outdoor teaching, blackboards may need to be used. Although there are relatively small blackboards on the market, the overall size is still relatively large, which is not very convenient to carry. Therefore, we propose a portable teaching aid for education to solve the above problem. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides a portable educational teaching tool, which solves the problems raised in the above-mentioned background technology.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A portable teaching aid for education includes a base, a blackboard is arranged on the top of the base, a lifting component for adjusting the height of the blackboard is arranged on the base, two sockets are symmetrically provided on the two side walls of the base, stable base plates are inserted in the four sockets, the surfaces of the four stable base plates are provided with clamping holes, a clamping component for clamping the four clamping holes is arranged on the base, and a placement box for placing the four stable base plates is fixed on the back of the blackboard.

[0008] Furthermore, the lifting assembly includes two bracket blocks symmetrically fixed on the top of the base, a bidirectional screw is rotatably connected between the two bracket blocks through a bearing, one end of the bidirectional screw passes through a side wall of an adjacent bracket block and is fixed with a first handle, a cross bar is fixed between the two bracket blocks, and two sliders are symmetrically threaded on the surface of the bidirectional screw, both of the sliders are slidably sleeved on the surface of the cross bar, the tops of the two sliders are rotatably connected to connecting rods through pins, and the tops of the two connecting rods are rotatably connected to the two ends of the bottom of the blackboard through pins.

[0009] Furthermore, the locking assembly includes an L-shaped plate fixed to the top of the base, the top of the L-shaped plate is threadedly connected with a one-way screw, the top of the one-way screw is fixed with a second handle, the bottom end of the one-way screw is rotatably connected to a connecting plate through a bearing, two locking pins adapted to the locking holes are symmetrically fixed to the bottom of both ends of the connecting plate, and two guide rods are symmetrically fixed to the top of the connecting plate, and both guide rods slide through the top of the L-shaped plate.

[0010] Furthermore, two vertical rods are symmetrically fixed on the top of the base, and two fixed blocks are symmetrically fixed on the back of the blackboard. The two fixed blocks are slidably mounted on the surfaces of the two vertical rods, and top plates are fixed on the top ends of the two vertical rods.

[0011] Furthermore, a U-shaped handle is fixed on the top of the top plate.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a portable teaching tool for education, which has the following beneficial effects:

[0014] The utility model can adjust the height of the blackboard by arranging a base and a lifting component. When it is needed to use, the height of the blackboard can be raised, and when the device needs to be carried, the height of the blackboard can be lowered. By arranging four stable bottom plates, the device can be stably placed. By arranging card holes, card-fitting components and a placement box, when the device needs to be carried, the four stable bottom plates can be conveniently and quickly removed from the base and then placed in the placement box, so that the overall volume can be reduced, thereby making it convenient for users to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall front structure of the utility model;

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

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

[0018] Figure 4 This is a schematic diagram of the structure of the stable base plate of the utility model.

[0019] In the figure: 1. base; 2. blackboard; 3. lifting assembly; 301. bracket block; 302. two-way screw; 303. first handle; 304. cross bar; 305. slider; 306. connecting rod; 4. vertical bar; 5. fixing block; 6. top plate; 7. U-shaped handle; 8. socket; 9. stable bottom plate; 10. card hole; 11. snap assembly; 1101. L-shaped plate; 1102. one-way screw; 1103. second handle; 1104. connecting plate; 1105. card pin; 1106. guide rod; 12. placement box. DETAILED DESCRIPTION

[0020] 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.

[0021] Example

[0022] like Figure 1-4As shown, a portable educational teaching tool proposed by an embodiment of the utility model includes a base 1, a blackboard 2 is arranged above the base 1, a lifting component 3 for adjusting the height of the blackboard 2 is arranged on the base 1, two vertical rods 4 are symmetrically fixed on the top of the base 1, and two fixing blocks 5 are symmetrically fixed on the back of the blackboard 2. The two fixing blocks 5 are respectively slidably sleeved on the surfaces of the two vertical rods 4, and a top plate 6 is fixed on the top of the two vertical rods 4. By arranging the vertical rods 4 and the fixing blocks 5, the blackboard 2 can be moved more stably in the vertical direction. A U-shaped handle 7 is fixed on the top of the top plate 6 for the convenience of users to carry it by hand. Two side walls of the base 1 are symmetrically provided with two sockets 8, and stable bottom plates 9 are inserted in the four sockets 8. The surfaces of the four stable bottom plates 9 are provided with clamping holes 10. A clamping component 11 for clamping the four clamping holes 10 is provided on the base 1, and a clamping component 11 for clamping the four clamping holes 10 is fixed on the back of the blackboard 2. The placement box 12 of four stable base plates 9; when the device needs to be used, the four stable base plates 9 can be inserted into the four sockets 8 on the base 1, and then the clamping components 11 are used to clamp and restrict the clamping holes 10 on the four stable base plates 9, so that the four stable base plates 9 can be fixed on the base 1. It should be noted here that after the four stable base plates 9 are installed on the base 1, the bottom of the stable base plates 9 is flush with the bottom of the base 1, and then the lifting component 3 is used to raise the height of the blackboard 2, which is convenient for users to use. When the device needs to be carried, the lifting component 3 is used to lower the height of the blackboard 2, and then the clamping component 11 is used to release the restriction on the four clamping holes 10, so that the four stable base plates 9 can be removed from the sockets 8 on the base 1, and then the four stable base plates 9 are placed in the placement box 12 for storage, so the overall volume can be reduced and it is more convenient to carry.

[0023] like Figure 1As shown, in some embodiments, the lifting assembly 3 includes two bracket blocks 301 symmetrically fixed on the top of the base 1, a bidirectional screw 302 is rotatably connected between the two bracket blocks 301 through a bearing, one end of the bidirectional screw 302 passes through a side wall of an adjacent bracket block 301 and is fixed with a first turning handle 303, a cross bar 304 is fixed between the two bracket blocks 301, and two sliders 305 are symmetrically threadedly connected to the surface of the bidirectional screw 302, and the two sliders 305 are both slidably sleeved on the surface of the cross bar 304, and the tops of the two sliders 305 are rotatably connected to connecting rods 306 through pins, and the tops of the two connecting rods 306 are rotatably connected to the two ends of the bottom of the blackboard 2 through pins. When the height of the blackboard 2 needs to be raised, the first handle 303 can be rotated, the first handle 303 can drive the bidirectional screw 302 to rotate, the bidirectional screw 302 can drive the two sliders 305 to move away from each other, the two sliders 305 can drive the two connecting rods 306 to move, and the two connecting rods 306 can drive the blackboard 2 to move upward. When the height of the blackboard 2 needs to be lowered, the first handle 303 can be rotated in the opposite direction, the first handle 303 can drive the bidirectional screw 302 to rotate in the opposite direction, the bidirectional screw 302 can drive the two sliders 305 to move closer to each other, the two sliders 305 can drive the two connecting rods 306 to move, and the two connecting rods 306 can drive the blackboard 2 to move downward.

[0024] like Figure 2 , Figure 3 and Figure 4 As shown, in some embodiments, the clamping assembly 11 includes an L-shaped plate 1101 fixed to the top of the base 1, the top of the L-shaped plate 1101 is threadedly connected with a one-way screw 1102, the top of the one-way screw 1102 is fixed with a second handle 1103, the bottom of the one-way screw 1102 is rotatably connected to a connecting plate 1104 through a bearing, the bottom of both ends of the connecting plate 1104 are symmetrically fixed with two clamping pins 1105 adapted to the clamping hole 10, and the top of the connecting plate 1104 is symmetrically fixed with two guide rods 1106, both guide rods 1106 slide through the top of the L-shaped plate 1101. When it is necessary to release the restriction on the four locking holes 10, the second turning handle 1103 can be rotated, and the second turning handle 1103 can drive the one-way screw 1102 to rotate upward, and the one-way screw 1102 can drive the connecting plate 1104 to move upward, and the connecting plate 1104 can drive the four locking pins 1105 to move upward, so that the four locking pins 1105 can be disengaged from the locking holes 10 on the four stable bottom plates 9.

[0025] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A portable teaching aid for education, comprising a base (1), characterized in that: A blackboard (2) is arranged above the base (1); a lifting assembly (3) for adjusting the height of the blackboard (2) is arranged on the base (1); two side walls of the base (1) are symmetrically provided with two sockets (8); four stable bottom plates (9) are inserted into the four sockets (8); the surfaces of the four stable bottom plates (9) are provided with clamping holes (10); a clamping assembly (11) for clamping the four clamping holes (10) is arranged on the base (1); a placement box (12) for placing the four stable bottom plates (9) is fixed on the back of the blackboard (2); the lifting assembly (3) comprises two bracket blocks (301) symmetrically fixed on the top of the base (1); and two bracket blocks (301) for clamping the four stable bottom plates (9). A bidirectional screw (302) is rotatably connected between the bracket blocks (301) via a bearing, one end of the bidirectional screw (302) penetrates a side wall of an adjacent bracket block (301) and is fixed with a first turning handle (303), a cross bar (304) is fixed between the two bracket blocks (301), and two sliders (305) are symmetrically threadedly connected to the surface of the bidirectional screw (302), both of which are slidably sleeved on the surface of the cross bar (304), and the tops of the two sliders (305) are rotatably connected to connecting rods (306) via pins, and the tops of the two connecting rods (306) are rotatably connected to the two ends of the bottom of the blackboard (2) via pins.

2. A portable teaching tool for education according to claim 1, characterized in that: The locking assembly (11) comprises an L-shaped plate (1101) fixed to the top of the base (1); the top of the L-shaped plate (1101) is threadedly connected to a one-way screw rod (1102); the top of the one-way screw rod (1102) is fixed to a second turning handle (1103); the bottom of the one-way screw rod (1102) is rotatably connected to a connecting plate (1104) via a bearing; two locking pins (1105) adapted to the locking holes (10) are symmetrically fixed to the bottom of both ends of the connecting plate (1104); two guide rods (1106) are symmetrically fixed to the top of the connecting plate (1104); the two guide rods (1106) are slidably passed through the top of the L-shaped plate (1101).

3. The portable teaching tool for education according to claim 1, characterized in that: Two vertical rods (4) are symmetrically fixed on the top of the base (1), and two fixed blocks (5) are symmetrically fixed on the back of the blackboard (2). The two fixed blocks (5) are respectively slidably mounted on the surfaces of the two vertical rods (4), and top plates (6) are fixed on the top ends of the two vertical rods (4).

4. The portable teaching tool for education according to claim 3, characterized in that: A U-shaped handle (7) is fixed to the top of the top plate (6).

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