An adjustable teaching demonstration platform

Abstract

The utility model provides an adjustable teaching demonstration platform, including a mounting plate, and also including: a fixed shell, the fixed shell is fixedly connected to the side wall of the mounting plate; a movable adjustment structure, the fixed shell is connected to the shell through the movable adjustment structure. By manually rotating the handle block 2, the support plate 1 and the support plate 2 are driven to move and rotate, so that the support plate 1 and the support plate 2 are unfolded to form a platform that can be used for teaching demonstration. The handle block 2 is rotated in the opposite direction, so that the teaching demonstration platform is folded and stored, which is convenient for the teaching demonstration platform to be unfolded and stored, so that while providing a better teaching demonstration platform, it will not occupy a large storage space. By manually rotating the handle block 1, the movable support block moves, and the movable support block drives the teaching demonstration platform structure to move, so that the height of the teaching demonstration platform can be appropriately adjusted according to needs.

Description

Technical Field

[0001] The utility model relates to an adjustable teaching demonstration platform. Background Art

[0002] Teaching is a human-specific talent cultivation activity consisting of teachers teaching and students learning. Through this activity, teachers guide students to learn and master cultural and scientific knowledge and skills in a purposeful, planned and organized manner, promote the improvement of students' quality, and make them become people needed by society. Junior and senior high school teachers may need to conduct some experimental demonstrations during the teaching process, such as physics experiments, chemistry experiments, etc., so that students can better remember the knowledge points.

[0003] However, when teachers conduct experimental demonstrations in class, the relevant experimental instruments can only be placed on the podium for operation. However, since the podium also needs to be used to place other relevant materials, the overall experimental operation space is relatively crowded, making the demonstration operation inconvenient. However, if another table is arranged for the experiment, it will take up too much space in the classroom. Therefore, how to provide a better platform for experimental demonstration while being able to fold and store it well to reduce the occupied space is an important issue that needs to be solved in the design of teaching demonstration tables. Utility Model Content

[0004] The utility model provides an adjustable teaching demonstration table to solve the problem of providing a better platform for experimental demonstration and being able to be folded and stored well to reduce the occupied space.

[0005] The utility model solves the above technical problems through the following technical solutions:

[0006] The utility model provides an adjustable teaching demonstration platform, comprising a mounting plate and:

[0007] A fixed shell, wherein the fixed shell is fixedly connected to a side wall of the mounting plate;

[0008] A movable adjustment structure, wherein the fixed housing is connected to the connecting housing via the movable adjustment structure;

[0009] An extension structure, wherein the extension structure is arranged on the connecting shell;

[0010] A teaching demonstration platform structure, wherein the teaching demonstration platform structure is arranged on the extension structure, and the teaching demonstration platform structure switches between an extended state and a retracted state as the extension structure moves;

[0011] A clamping structure, wherein the clamping structure is arranged on a teaching demonstration platform structure.

[0012] Preferably, mounting holes are provided at equal distances on the side wall of the mounting plate, and two limit rods are fixedly connected to the inner side wall of the fixed shell.

[0013] Preferably, the movable adjustment structure includes a handle block 1, a rotating block 1, a threaded rod 1 and a movable support block, the rotating block 1 is rotatably connected to the top side wall of the fixed shell, the top of the rotating block 1 is fixedly connected to the handle block 1, the bottom of the rotating block 1 is fixedly connected to the threaded rod 1, the bottom of the threaded rod 1 is rotatably connected to the bottom inner wall of the fixed shell, the threaded rod 1 is threadedly connected to the movable support block, the movable support block is slidably connected to the limit rod 1, and the movable support block is fixedly connected to the shell.

[0014] In this technical solution, the handle block 1 is manually rotated, the handle block 1 drives the rotating block 1 to rotate, the rotating block 1 drives the threaded rod 1 to rotate, the threaded rod 1 drives the movable support block to move, and the movable support block drives the connecting shell to move.

[0015] Preferably, a connecting support block is fixedly connected in the middle of the inner side wall of the connecting shell.

[0016] In this technical solution, the support block supports the rotating block three.

[0017] Preferably, two limiting rods 2 are fixedly connected to the inner side wall of the connecting shell.

[0018] In the technical solution, the limiting rod 2 limits the rotation of the movable frame 1 and the movable frame 2.

[0019] Preferably, the extension structure includes handle block two, rotating block two, threaded rod two, mobile frame one, mobile frame two, threaded rod three and rotating block three, the rotating block three is rotatably connected to the side wall of the support block, the top of the rotating block three is fixedly connected to the threaded rod two, the top of the threaded rod two is fixedly connected to the rotating block two, the top of the rotating block two passes through the side wall of the connecting shell and is fixedly connected to the handle block two, the threaded rod two is threadedly connected to the mobile frame two, the bottom of the rotating block three is fixedly connected to the threaded rod three, the bottom of the threaded rod three is rotatably connected to the bottom inner wall of the connecting shell, the threaded rod three is threadedly connected to the mobile frame one, and the mobile frame one and the mobile frame two are both slidably connected to the limit rod two.

[0020] In this technical solution, the handle block 2 is manually rotated, the handle block 2 drives the rotating block 2 to rotate, the rotating block 2 drives the threaded rod 2 to rotate, the threaded rod 2 drives the threaded rod 3 to rotate through the rotating block 3, the threaded rod 2 drives the moving frame 2 to move, and the threaded rod 3 drives the moving frame 1 to move.

[0021] Preferably, the threads on the second threaded rod and the third threaded rod are opposite.

[0022] In this technical solution, the first movable frame and the second movable frame move closer to each other or farther away from each other when moving.

[0023] Preferably, the teaching demonstration platform structure includes support plate 1, support plate 2, support rod 1 and support rod 2, support plate 1 and support plate 2 are rotatably connected to each other, one end of support rod 1 is rotatably connected to the side wall of support plate 2, one end of support rod 2 is rotatably connected to the side wall of support plate 1, support rod 1 and support rod 2 are rotatably connected to each other, support rods 2 on both sides of support plate 1 are rotatably connected to mobile frame 2, and the other end of support rod 1 is rotatably connected to mobile frame 1.

[0024] In this technical solution, the movement of mobile frame 1 and mobile frame 2 drives support rod 1 and support rod 2 to rotate relative to each other and unfold, and support rod 1 and support rod 2 drive support plate 1 and support plate 2 to move and rotate, so that support plate 1 and support plate 2 unfold to form a platform that can be used for teaching demonstrations.

[0025] Preferably, the clamping structure includes a fixed block 1, a spring, a sliding plate, a clamping plate, a sliding groove 1 and a sliding groove 2, the fixed block 1 is fixedly connected to the bottom of the support plate 1, a sliding groove 2 is opened in the side wall of the fixed block 1, a sliding groove 1 is opened on the bottom side wall of the sliding groove 2 and is connected, a clamping plate is fixedly connected to the side wall of one side of the sliding plate, the sliding plate is slidably connected in the sliding groove 1, the clamping plate is slidably connected in the sliding groove 2, a spring is fixedly connected to the other side of the sliding plate at an equal distance, and the other end of the spring is fixedly connected to the inner side wall of the sliding groove 2.

[0026] In this technical solution, the sliding plate is manually pulled, the sliding plate drives the clamping plate to move, the spring is compressed, and the clamping plate is retracted into the second sliding groove.

[0027] Preferably, the snap-fit ​​structure comprises a second fixing block and a snap-fit ​​groove, the second fixing block is fixedly connected to the side wall at the bottom of the second supporting plate, the side wall of the second fixing block is provided with a snap-fit ​​groove, and the snap-fit ​​groove and the snap-fit ​​plate cooperate with each other.

[0028] In this technical solution, the clamping plate is clamped into the clamping groove, and the rotation of the support plate 1 and the support plate 2 is restricted by the clamping plate.

[0029] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0030] The positive and progressive effects of the utility model are:

[0031] 1. By manually rotating the handle block 2, the mobile frame 1 and the mobile frame 2 are driven to approach each other, and the mobile frame 1 and the mobile frame 2 drive the support rod 1 and the support rod 2 to rotate and unfold, and the support rod 1 and the support rod 2 drive the support plate 1 and the support plate 2 to move and rotate, so that the support plate 1 and the support plate 2 are unfolded to form a platform that can be used for teaching demonstration, and the handle block 2 is rotated in the opposite direction to make the mobile frame 1 and the mobile frame 2 move away from each other, and the support rod 1 and the support rod 2 drive the support plate 1 and the support plate 2 to rotate and fold, so that the teaching demonstration table can be folded and stored, reducing the space occupied by the storage, making it convenient for the teaching demonstration table to be unfolded and stored, so that while providing a better teaching demonstration platform, it will not occupy a large storage space.

[0032] 2. By manually rotating the handle block 1, the handle block drives the threaded rod 1 to rotate, the threaded rod 1 drives the movable support block to move, the movable support block drives the connecting shell to move, and the connecting shell drives the teaching demonstration platform structure to move, so as to facilitate the appropriate adjustment of the height of the teaching demonstration platform according to needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0034] Figure 2 It is a schematic diagram of the overall internal structure of the utility model.

[0035] Figure 3 It is a schematic diagram of the internal structure of the utility model as a whole viewed from above.

[0036] Figure 4 For this utility model Figure 2 Schematic diagram of the local enlarged structure at A.

[0037] Description of Reference Numerals

[0038] 1. Mounting plate; 2. Mounting hole; 3. Fixed shell; 4. Connecting shell; 5. Teaching demonstration table structure; 501. Support plate 1; 502. Support plate 2; 503. Support rod 1; 504. Support rod 2; 6. Moving adjustment structure; 601. Handle block 1; 602. Rotating block 1; 603. Threaded rod 1; 604. Moving support block; 7. Extension structure; 701. Handle block 2; 702. Rotating block 2; 703 , threaded rod two; 704, moving frame one; 705, moving frame two; 706, threaded rod three; 707, rotating block three; 8, supporting block; 9, limiting rod one; 10, limiting rod two; 11, clamping structure; 1101, fixed block one; 1102, spring; 1103, sliding plate; 1104, clamping plate; 1105, sliding groove one; 1106, sliding groove two; 1111, fixed block two; 1112, clamping groove. DETAILED DESCRIPTION

[0039] The present invention is further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments.

[0040] like Figure 1-3 As shown, an adjustable teaching demonstration platform includes a mounting plate 1 and further includes:

[0041] A fixed housing 3, wherein the fixed housing 3 is fixedly connected to a side wall of the mounting plate 1;

[0042] A movable adjustment structure 6, wherein the fixed housing 3 is connected to the connecting housing 4 via the movable adjustment structure 6;

[0043] An extension structure 7, wherein the extension structure 7 is arranged on the connecting housing 4;

[0044] A teaching demonstration platform structure 5, wherein the teaching demonstration platform structure 5 is arranged on the extension structure 7, and the teaching demonstration platform structure 5 switches between an extended state and a retracted state as the extension structure 7 moves;

[0045] The clamping structure 11 is arranged on the teaching demonstration platform structure 5 .

[0046] The side wall of the mounting plate 1 is provided with mounting holes 2 at equal distances, and the inner side wall of the fixed housing 3 is fixedly connected with two limiting rods 9 .

[0047] The movable adjustment structure 6 includes a handle block 601, a rotating block 602, a threaded rod 603 and a movable support block 8604, wherein the rotating block 602 is rotatably connected to the top side wall of the fixed shell 3, the top of the rotating block 602 is fixedly connected to the handle block 601, the bottom of the rotating block 602 is fixedly connected to the threaded rod 603, the bottom of the threaded rod 603 is rotatably connected to the bottom inner wall of the fixed shell 3, the threaded rod 603 is threadedly connected to the movable support block 8604, the movable support block 8604 is slidably connected to the limit rod 9, and the movable support block 8604 is fixedly connected to the connecting shell 4.

[0048] like Figure 2 As shown, the handle block 601 is manually rotated, the handle block 601 drives the rotating block 602 to rotate, the rotating block 602 drives the threaded rod 603 to rotate, the threaded rod 603 drives the movable support block 8604 to move, and the movable support block 8604 drives the connecting shell 4 to move.

[0049] A connecting support block 8 is fixedly connected in the middle of the inner wall of the connecting shell 4 .

[0050] like Figure 2 As shown, the support block 8 supports the rotating block three 707.

[0051] Two limiting rods 10 are fixedly connected to the inner side wall of the connecting shell 4 .

[0052] like Figure 3 As shown, the limiting rod 10 limits the rotation of the moving frame 1 704 and the moving frame 2 705 .

[0053] The extending structure 7 includes a handle block 2 701, a rotating block 2 702, a threaded rod 2 703, a movable frame 1 704, a movable frame 2 705, a threaded rod 3 706 and a rotating block 3 707. The rotating block 3 707 is rotatably connected to the side wall of the support block 8. The top of the rotating block 3 707 is fixedly connected to the threaded rod 2 703. The top of the threaded rod 2 703 is fixedly connected to the rotating block 2 702. The top of the rotating block 2 702 passes through the side wall of the connecting shell 4 and is fixedly connected to the handle block 2 701. The threaded rod 2 703 is threadedly connected to the movable frame 2 705. The bottom of the rotating block 3 707 is fixedly connected to the threaded rod 3 706. The bottom of the threaded rod 3 706 is rotatably connected to the bottom inner wall of the connecting shell 4. The threaded rod 3 706 is threadedly connected to the movable frame 1 704. The movable frame 1 704 and the movable frame 2 705 are both slidably connected to the limit rod 2 10.

[0054] like Figure 2 As shown, manually rotate the handle block 2 701, the handle block 2 701 drives the rotating block 2 702 to rotate, the rotating block 2 702 drives the threaded rod 2 703 to rotate, the threaded rod 2 703 drives the threaded rod 3 706 to rotate through the rotating block 3 707, the threaded rod 2 703 drives the moving frame 2 705 to move, and the threaded rod 3 706 drives the moving frame 1 704 to move.

[0055] The threads on the second threaded rod 703 and the third threaded rod 706 are opposite.

[0056] like Figure 2 As shown, the moving frame 1 704 and the moving frame 2 705 move closer to each other or away from each other when moving.

[0057] The teaching demonstration platform structure 5 includes a support plate 1 501, a support plate 2 502, a support rod 1 503 and a support rod 2 504. The support plate 1 501 and the support plate 2 502 are rotatably connected to each other. One end of the support rod 1 503 is rotatably connected to the side wall of the support plate 2 502. One end of the support rod 2 504 is rotatably connected to the side wall of the support plate 1 501. The support rod 1 503 and the support rod 2 504 are rotatably connected to each other. The support rods 2 504 on both sides of the support plate 1 501 are rotatably connected to the mobile frame 2 705. The other end of the support rod 1 503 is rotatably connected to the mobile frame 1 704.

[0058] like Figure 2As shown, the movement of the mobile frame 1 704 and the mobile frame 2 705 drives the support rod 1 503 and the support rod 2 504 to rotate relative to each other and unfold, and the support rod 1 503 and the support rod 2 504 drive the support plate 1 501 and the support plate 2 502 to move and rotate, so that the support plate 1 501 and the support plate 2 502 unfold to form a platform that can be used for teaching demonstrations.

[0059] The clamping structure 11 includes a fixed block 1101, a spring 1102, a sliding plate 1103, a clamping plate 1104, a sliding groove 1105 and a sliding groove 2 1106. The fixed block 1101 is fixedly connected to the bottom of the support plate 501. The side wall of the fixed block 1101 is provided with a sliding groove 2 1106. The bottom side wall of the sliding groove 2 1106 is provided with a sliding groove 1105 and is connected. The clamping plate 1104 is fixedly connected to the side wall of one side of the sliding plate 1103. The sliding plate 1103 is slidably connected in the sliding groove 1105. The clamping plate 1104 is slidably connected in the sliding groove 2 1106. The other side of the sliding plate 1103 is fixedly connected with a spring 1102 at an equal distance. The other end of the spring 1102 is fixedly connected to the inner side wall of the sliding groove 2 1106.

[0060] like Figure 4 As shown, the sliding plate 1103 is manually pulled, and the sliding plate 1103 drives the clamping plate 1104 to move, and the spring 1102 is compressed, so that the clamping plate 1104 retracts into the second sliding groove 1106.

[0061] The snap-fit ​​structure 11 includes a second fixing block 1111 and a snap-fit ​​groove 1112. The second fixing block 1111 is fixedly connected to the side wall at the bottom of the second support plate 502. The side wall of the second fixing block 1111 is provided with a snap-fit ​​groove 1112. The snap-fit ​​groove 1112 and the snap-fit ​​plate 1104 cooperate with each other.

[0062] like Figure 4 As shown, the clamping plate 1104 is clamped into the clamping groove 1112 , and the rotation of the support plate 1 501 and the support plate 2 502 is restricted by the clamping plate 1104 .

[0063] When the utility model is in use, the entire teaching demonstration platform is fixed on the side wall of the platform by means of fixing bolts passing through the mounting holes 2 on the mounting plate 1. When the teaching demonstration platform is used, the handle block 2 701 is manually rotated, the handle block 2 701 drives the threaded rod 2 703 to rotate, the threaded rod 2 703 drives the threaded rod 3 706 to rotate through the rotating block 3 707, the threaded rod 2 703 drives the moving frame 2 705 to move, the threaded rod 3 706 drives the moving frame 1 704 to move, the moving frame 1 704 and the moving frame 2 705 approach each other, drive the support rod 1 503 and the support rod 2 504 to rotate with each other, and unfold, the support rod 1 503 and the support rod 2 504 drive the support plate 1 501 and the support plate 2 502 to move and rotate, so that the support plate 1 501 and the support plate 2 502 are unfolded and parallel to the ground;

[0064] Manually pull the sliding plate 1103 to retract the clamping plate 1104 into the sliding groove 1106. When the support plate 1 501 and the support plate 2 502 are unfolded, release the sliding plate 1103, and the spring 1102 unfolds to push the clamping plate 1104 into the clamping groove 1112. The rotation of the support plate 1 501 and the support plate 2 502 is restricted by the clamping plate 1104. With the support of the unfolded support rod 1 503 and the support rod 2 504, the support plate 1 501 and the support plate 2 502 form a platform that can be used for teaching demonstrations.

[0065] When the teaching demonstration table is not needed, pull the sliding plate 1103 to disengage the snap-in plate 1104 from the snap-in groove 1112, rotate the handle block 2 701 in the opposite direction to move the movable frame 1 704 and the movable frame 2 705 away from each other, drive the support plate 1 501 and the support plate 2 502 to rotate and fold, so that the teaching demonstration table can be folded and stored to reduce the space occupied by storage, manually rotate the handle block 1 601, the handle block 1 601 drives the movable support block 8604 to move, the movable support block 8604 drives the connecting shell 4 to move, and the connecting shell 4 drives the teaching demonstration table structure 5 to move, so as to facilitate the appropriate adjustment of the height of the teaching demonstration table according to needs.

[0066] The utility model is not limited to the above-mentioned embodiments. Any changes in shape or structure are within the protection scope of the utility model. The protection scope of the utility model is defined by the attached claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the utility model, but these changes and modifications are within the protection scope of the utility model.

Claims

1. An adjustable teaching demonstration platform, comprising a mounting plate (1), characterized in that: Also includes: A fixed shell (3), wherein the fixed shell (3) is fixedly connected to a side wall of the mounting plate (1); A movable adjustment structure (6), wherein the fixed housing (3) is connected to the connecting housing (4) via the movable adjustment structure (6); An extension structure (7), wherein the extension structure (7) is arranged on the connecting housing (4); A teaching demonstration platform structure (5), wherein the teaching demonstration platform structure (5) is arranged on the extension structure (7), and the teaching demonstration platform structure (5) switches between an extended state and a retracted state as the extension structure (7) moves; A clamping structure (11), wherein the clamping structure (11) is arranged on the teaching demonstration platform structure (5).

2. The adjustable teaching demonstration platform as claimed in claim 1, characterized in that: The side wall of the mounting plate (1) is provided with mounting holes (2) at equal distances, and the inner side wall of the fixed housing (3) is fixedly connected with two limiting rods (9).

3. The adjustable teaching demonstration platform as claimed in claim 1, characterized in that: The movable adjustment structure (6) comprises a handle block (601), a rotating block (602), a threaded rod (603) and a movable support block (8) (604); the rotating block (602) is rotatably connected to the top side wall of the fixed shell (3); the top of the rotating block (602) is fixedly connected to the handle block (601); the bottom of the rotating block (602) is fixedly connected to the threaded rod (603); the bottom of the threaded rod (603) is rotatably connected to the bottom inner side wall of the fixed shell (3); the threaded rod (603) is threadedly connected to the movable support block (8) (604); the movable support block (8) (604) is slidably connected to the limit rod (9); and the movable support block (8) (604) is fixedly connected to the connecting shell (4).

4. The adjustable teaching demonstration platform as claimed in claim 3, characterized in that: A connecting support block (8) is fixedly connected in the middle of the inner side wall of the connecting shell (4).

5. The adjustable teaching demonstration platform as claimed in claim 3, characterized in that: Two limiting rods (10) are fixedly connected to the inner side wall of the connecting shell (4).

6. The adjustable teaching demonstration platform according to claim 1, characterized in that: The extension structure (7) comprises a handle block 2 (701), a rotating block 2 (702), a threaded rod 2 (703), a moving frame 1 (704), a moving frame 2 (705), a threaded rod 3 (706) and a rotating block 3 (707), wherein the rotating block 3 (707) is rotatably connected to the side wall of the support block (8), the top of the rotating block 3 (707) is fixedly connected to the threaded rod 2 (703), the top of the threaded rod 2 (703) is fixedly connected to the rotating block 2 (702), and the rotating block 2 (702) is fixedly connected to the side wall of the support block (8). The top passes through the side wall of the connecting shell (4) and is fixedly connected to the handle block 2 (701); the threaded rod 2 (703) is threadedly connected to the movable frame 2 (705); the bottom of the rotating block 3 (707) is fixedly connected to the threaded rod 3 (706); the bottom of the threaded rod 3 (706) is rotatably connected to the bottom inner wall of the connecting shell (4); the threaded rod 3 (706) is threadedly connected to the movable frame 1 (704); and the movable frame 1 (704) and the movable frame 2 (705) are both slidably connected to the limit rod 2 (10).

7. The adjustable teaching demonstration platform as claimed in claim 6, characterized in that: The threads on the threaded rod two (703) and the threaded rod three (706) are opposite.

8. The adjustable teaching demonstration platform according to claim 1, characterized in that: The teaching demonstration platform structure (5) includes a support plate 1 (501), a support plate 2 (502), a support rod 1 (503) and a support rod 2 (504); the support plate 1 (501) and the support plate 2 (502) are rotatably connected to each other; one end of the support rod 1 (503) is rotatably connected to the side wall of the support plate 2 (502); one end of the support rod 2 (504) is rotatably connected to the side wall of the support plate 1 (501); the support rod 1 (503) and the support rod 2 (504) are rotatably connected to each other; the support rods 2 (504) on both sides of the support plate 1 (501) are rotatably connected to the mobile frame 2 (705); and the other end of the support rod 1 (503) is rotatably connected to the mobile frame 1 (704).

9. The adjustable teaching demonstration platform according to claim 1, characterized in that: The clamping structure (11) comprises a fixed block (1101), a spring (1102), a sliding plate (1103), a clamping plate (1104), a sliding groove (1105) and a sliding groove (1106). The fixed block (1101) is fixedly connected to the bottom of the support plate (501). The side wall of the fixed block (1101) is provided with a sliding groove (1106). The bottom side wall of the sliding groove (1106) is provided with a sliding groove (1105). 105) and are connected, a snap-in plate (1104) is fixedly connected to the side wall of one side of the sliding plate (1103), the sliding plate (1103) is slidably connected in the sliding groove 1 (1105), the snap-in plate (1104) is slidably connected in the sliding groove 2 (1106), and a spring (1102) is fixedly connected to the other side of the sliding plate (1103) at an equal distance, and the other end of the spring (1102) is fixedly connected to the inner wall of the sliding groove 2 (1106).

10. The adjustable teaching demonstration platform according to claim 9, characterized in that: The clamping structure (11) comprises a second fixing block (1111) and a clamping groove (1112); the second fixing block (1111) is fixedly connected to the side wall at the bottom of the second support plate (502); a clamping groove (1112) is provided on the side wall of the second fixing block (1111); the clamping groove (1112) and the clamping plate (1104) cooperate with each other.

Images