Adjustable teaching board

Abstract

The utility model belongs to the technical field of teaching boards, and particularly relates to an adjustable teaching board which comprises a teaching board body. A positioning groove is formed in the bottom of the teaching board body, a supporting plate is slidably connected into the positioning groove, and the bottom end of the supporting plate extends out of the positioning groove and is fixedly connected with a fixing plate; a positioning mechanism is arranged on the teaching board body; through the arrangement of the positioning mechanism and the supporting plate, the height of the portable teaching board body can be conveniently adjusted, that is, the teaching board can be erected through the fixing plate and the supporting plate when being carried to a use place, the poke rod is pulled according to needs to drive the positioning block to move, the end, in the clamping groove, of the positioning block is moved out, limiting on the supporting plate is relieved, and the teaching board is convenient to carry. When the teaching board is used, the fixing plate can be pulled, part of the supporting plate can be pulled out, then the poke rod is loosened, the positioning block resets under the pressure of the first spring and is inserted into the corresponding clamping groove at the moment, and then height adjustment of the teaching board body is completed.

Description

Technical Field

[0001] This utility model belongs to the field of teaching board technology, specifically an adjustable teaching board. Background Technology

[0002] A teaching board is a tool used for writing and demonstrating in the education industry. It is usually placed on a board in a classroom or conference room, where content is written with chalk or water-based pen to serve the purpose of explanation and demonstration.

[0003] While existing teaching boards are portable during outdoor teaching, they are not easy to adjust in height. Adding height adjustment devices would increase the overall size of the teaching board, further hindering its transport. Therefore, an adjustable teaching board is proposed to address these issues. Utility Model Content

[0004] To address the shortcomings of existing technologies and solve the problem that while existing teaching boards are portable during outdoor teaching, they are not easily height-adjustable, and adding height-adjusting devices would increase the overall size of the teaching board, affecting its transportability, an adjustable teaching board is proposed.

[0005] The technical solution adopted by this utility model to solve its technical problem is: the adjustable teaching board of this utility model includes a teaching board body; a positioning groove is opened at the bottom of the teaching board body, a support plate is slidably connected in the positioning groove, and a fixing plate is fixedly connected to the bottom end of the support plate extending out of the positioning groove.

[0006] The teaching board body is equipped with a positioning mechanism, which includes a through groove on one side of the teaching board body. Positioning blocks are fixedly connected to both sides of the teaching board body. A limiting groove is opened on the side of the positioning block near the teaching board body. A limiting block is slidably connected in the limiting groove. One end of the limiting block is elastically connected to the inner wall of the limiting groove through a first spring. The other end of the limiting block passes through the through groove and is inserted into a slot opened on one side of the support plate. A toggle rod is fixedly connected to the side of the limiting block near the spring. The other end of the toggle rod passes through the positioning block and communicates with the outside. Through the setting of the positioning mechanism and the support plate, the height of the carrying teaching board body can be easily adjusted.

[0007] Preferably, the bottom of the fixing plate is provided with a support groove, and the inner bottom wall of the support groove is rotatably connected to a support block through a rotating shaft. By setting the support groove and the support block, it is easy to unfold the support block to provide auxiliary support for the fixing plate, so as to ensure the stability of the teaching board body when in use.

[0008] Preferably, the inner top wall of the support groove is provided with a fixing groove, and a transmission block is slidably connected in the fixing groove. The top end of the transmission block is elastically connected to the inner top wall of the fixing groove through a second spring, and the bottom end of the transmission block extends out of the fixing groove. By setting the transmission block and the second spring, the movement of the unfolded support block can be limited to ensure the stability of the support block after unfolding.

[0009] Preferably, a first magnetic block is fixedly connected to one side of the support block, and a second magnetic block is fixedly connected to the inner wall of the support groove. By setting the first magnetic block and the second magnetic block, the support block can automatically unfold after the limit is released, simplifying the operation steps.

[0010] Preferably, the top of the teaching board body is provided with a grip groove, and a handle is slidably connected in the grip groove. The grip groove and the handle make it easy to carry the teaching board.

[0011] Preferably, the front of the teaching board body is provided with a storage slot, the inner top wall of the storage slot is rotatably connected to a storage board via a pivot, the inner side wall of the storage slot is provided with a groove, the inner side wall of the groove is attached with a first Velcro, and the back of the storage board is attached with a second Velcro. The storage slot and storage board facilitate the storage of writing teaching tools.

[0012] Preferably, the bottom of the support block is provided with anti-slip protrusions, and the bottom of the support plate is provided with anti-slip protrusions. By providing anti-slip protrusions at the bottom of the support block and the bottom of the support plate, the friction is increased.

[0013] The beneficial effects of this utility model are:

[0014] 1. This utility model provides an adjustable teaching board. Through the setting of the positioning mechanism and the support plate, the height of the teaching board body can be easily adjusted. That is, when the teaching board is carried to the place of use, the teaching board can be erected by the fixing plate and the support plate. As needed, the lever is pulled to move the positioning block, so that one end of it moves out of the slot. The limit on the support plate is released, and the fixing plate can be pulled out to pull out part of the support plate. Then the lever is released, and the positioning block is reset under the pressure of the first spring and inserted into the corresponding slot at this time, thus completing the height adjustment of the teaching board body.

[0015] 2. This utility model provides an adjustable teaching board. With the setting of support groove and support block, the support block can be unfolded to provide auxiliary support for the fixed board, so as to ensure the stability of the teaching board body during use. With the setting of transmission block and second spring, the movement limit of the unfolded support block can be set to ensure the stability of the support block after unfolding. That is, by pressing the transmission block, in conjunction with the pressure of the second spring, the limit of the support block is controlled. Attached Figure Description

[0016] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0017] Figure 1 This is a perspective view of the present invention;

[0018] Figure 2 This is a cross-sectional structural diagram of the teaching board body in this utility model;

[0019] Figure 3 This is a bottom view of the fixing plate in this utility model;

[0020] Figure 4 This is a cross-sectional structural diagram of the fixing plate in this utility model.

[0021] Legend:

[0022] 1. Teaching board body; 2. Support plate; 3. Fixing plate; 4. Positioning mechanism; 41. Positioning block; 42. First spring; 43. Actuating rod; 44. Slot; 45. Limiting slot; 5. Support block; 6. Transmission block; 7. Second spring; 8. First magnet; 9. Handle; 10. Storage plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Specific implementation examples are given below.

[0025] Please see Figures 1-4 The present invention provides an adjustable teaching board, including a teaching board body 1; a positioning groove is provided at the bottom of the teaching board body 1, a support plate 2 is slidably connected in the positioning groove, and a fixing plate 3 is fixedly connected to the bottom end of the support plate 2 extending out of the positioning groove.

[0026] A positioning mechanism 4 is provided on the teaching board body 1. The positioning mechanism 4 includes a through groove on one side of the teaching board body 1. Positioning blocks 41 are fixedly connected to both sides of the teaching board body 1. A limiting groove 45 is opened on the side of the positioning block 41 near the teaching board body 1. A limiting block is slidably connected in the limiting groove 45. One end of the limiting block is elastically connected to the inner wall of the limiting groove 45 through a first spring 42. The other end of the limiting block passes through the through groove and is inserted into a slot 44 opened on one side of the support plate 2. A toggle rod 43 is fixedly connected to the side of the limiting block near the spring. The other end of the toggle rod 43 passes through the positioning block 41 and communicates with the outside. When working, the slot 44... 4. Multiple sets of slots 44 are provided, and the slots 44 are equidistantly distributed. Through the positioning mechanism 4 and the support plate 2, the height of the teaching board body 1 can be easily adjusted. That is, when the teaching board is carried to the place of use, the teaching board can be erected by the fixing plate 3 and the support plate 2. As needed, the lever 43 is pulled to move the positioning block 41, so that one end of it moves out of the slot 44. The limitation on the support plate 2 is released, and the fixing plate 3 can be pulled out and part of the support plate 2 can be pulled out. Then the lever 43 is released, and the positioning block 41 is reset under the pressure of the first spring 42 and inserted into the corresponding slot 44 at this time, thus completing the height adjustment of the teaching board body 1.

[0027] Furthermore, such as Figure 1 and Figure 2 As shown, a support groove is provided at the bottom of the fixed plate 3, and a support block 5 is rotatably connected to the inner bottom wall of the support groove via a pivot. During operation, the support groove and the support block 5 facilitate the unfolding of the support block 5 to provide auxiliary support for the fixed plate 3, thereby ensuring the stability of the teaching board body 1 during use.

[0028] Furthermore, such as Figure 3 and Figure 4 As shown, a fixing groove is formed in the inner top wall of the support groove. A transmission block 6 is slidably connected in the fixing groove. The top end of the transmission block 6 is elastically connected to the inner top wall of the fixing groove through a second spring 7, and the bottom end of the transmission block 6 extends out of the fixing groove. During operation, the transmission block 6 and the second spring 7 can limit the movement of the unfolded support block 5, ensuring the stability of the support block 5 after unfolding. That is, by pressing the transmission block 6, in conjunction with the pressure of the second spring 7, the limiting of the support block 5 is controlled.

[0029] Furthermore, such as Figure 3 and Figure 4 As shown, a first magnetic block 8 is fixedly connected to one side of the support block 5, and a second magnetic block is fixedly connected to the inner wall of the support groove. During operation, the first magnetic block 8 and the second magnetic block allow the support block 5 to automatically unfold after being released from its limit, simplifying the operation steps.

[0030] Furthermore, such as Figure 1 and Figure 2As shown, a grip groove is provided on the top of the teaching board body 1, and a handle 9 is slidably connected in the grip groove. During operation, the grip groove and handle 9 make it easy to carry and move the teaching board.

[0031] Furthermore, such as Figure 1 and Figure 2 As shown, the teaching board body 1 has a storage slot on its front side. A storage plate 10 is rotatably connected to the inner top wall of the storage slot via a pivot. A groove is formed on the inner side wall of the storage slot, and a first Velcro fastener is attached to the inner side wall of the groove. A second Velcro fastener is attached to the back of the storage plate 10. In operation, the storage slot and storage plate 10 facilitate the storage and placement of writing and teaching tools.

[0032] Furthermore, such as Figure 1 and Figure 2 As shown, the bottom of the support block 5 and the bottom of the support plate 2 are provided with anti-slip protrusions. During operation, the anti-slip protrusions on the bottom of the support block 5 and the bottom of the support plate 2 increase the friction.

[0033] Working principle: Take this teaching board to the place of use, and the teaching board can be erected by the fixed plate 3 and the support plate 2. If needed, pull the lever 43 to move the positioning block 41, so that one end of it moves out of the slot 44 and releases the limit on the support plate 2. Then, pull the fixed plate 3 and pull out part of the support plate 2. Then release the lever 43, and the positioning block 41 will reset under the pressure of the first spring 42 and be inserted into the corresponding slot 44, thus completing the height adjustment of the teaching board body 1.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An adjustable teaching board, characterized in that: It includes a teaching board body (1); the bottom of the teaching board body (1) is provided with a positioning groove, a support plate (2) is slidably connected in the positioning groove, and the bottom end of the support plate (2) extends out of the positioning groove and is fixedly connected to a fixing plate (3). The teaching board body (1) is provided with a positioning mechanism (4). The positioning mechanism (4) includes a through groove on one side of the teaching board body (1). Positioning blocks (41) are fixedly connected to both sides of the teaching board body (1). A limiting groove (45) is opened on the side of the positioning block (41) near the teaching board body (1). A limiting block is slidably connected in the limiting groove (45). One end of the limiting block is elastically connected to the inner wall of the limiting groove (45) through a first spring (42). The other end of the limiting block passes through the through groove and is inserted into the slot (44) opened on one side of the support plate (2). A toggle rod (43) is fixedly connected to the side of the limiting block near the spring. The other end of the toggle rod (43) passes through the positioning block (41) and communicates with the outside.

2. An adjustable teaching board according to claim 1, characterized in that: The bottom of the fixing plate (3) is provided with a support groove, and the inner bottom wall of the support groove is rotatably connected to a support block (5) via a rotating shaft.

3. An adjustable teaching board according to claim 2, characterized in that: The inner top wall of the support groove is provided with a fixing groove, and a transmission block (6) is slidably connected in the fixing groove. The top end of the transmission block (6) is elastically connected to the inner top wall of the fixing groove through a second spring (7), and the bottom end of the transmission block (6) extends out of the fixing groove.

4. An adjustable teaching board according to claim 3, characterized in that: A first magnetic block (8) is fixedly connected to one side of the support block (5), and a second magnetic block is fixedly connected to the inner wall of the support groove.

5. An adjustable teaching board according to claim 4, characterized in that: The top of the teaching board body (1) is provided with a grip groove, and a handle (9) is slidably connected in the grip groove.

6. An adjustable teaching board according to claim 5, characterized in that: The teaching board body (1) has a storage slot on the front side. The inner top wall of the storage slot is rotatably connected to a storage board (10) via a pivot. The inner side wall of the storage slot has a groove. The inner side wall of the groove is attached with a first Velcro fastener. The back of the storage board (10) is attached with a second Velcro fastener.

7. An adjustable teaching board according to claim 6, characterized in that: The bottom of the support block (5) is provided with anti-slip protrusions, and the bottom of the support plate (2) is provided with anti-slip protrusions.

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