Adjusting device for teaching screen of power concentration motor train unit structure

Abstract

The utility model discloses an adjusting device for a teaching screen of a power concentration motor train unit structure, which comprises a base, a connecting plate and a body, and pulleys are fixedly arranged on the periphery of the bottom surface of the base; sleeves are symmetrically mounted on the surface of the top of the base, lifting assemblies are arranged in the sleeves, each lifting assembly comprises a threaded rod rotationally connected with the corresponding sleeve, and through cooperation of a rotating groove, a groove, a telescopic rod, a compression spring, a stabilizing block, a limiting ball, a rotating block, a circular groove, a sliding block and a limiting groove, the stability of the lifting assemblies is improved; the body can be adjusted in the left-right direction on the basis that the vertical angle of the body can be adjusted in the prior art, so that the angle of the body can be adjusted according to needs, and students can watch the body more conveniently to the maximum extent; the lifting of the body can be adjusted, so that the teaching experience of students can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching screen technical field, concretely is a kind of power concentration motor train unit structure teaching screen adjusting device. BACKGROUND

[0002] With the continuous development of society, people's cultural level generally improves, using teaching screen to teach, not only can make student more easily absorb knowledge, can also enhance the knowledge level of student, so as to can enhance the learning ability of student.

[0003] The information teaching experimental device disclosed in publication No. CN113053176B can adjust the angle of the display screen. The device is tilted to the required angle during teaching, and the angle of the body is adjusted. After that, the bolt is inserted through the fixed block and the support column, and the adjusting structure is tightened outside the bolt to fix the body and the support column. The device can adjust the angle, and the applicability of the information teaching experimental device during use is improved. However, the following problems exist in the actual use of the patent:

[0004] The information teaching experimental device disclosed in publication No. CN113053176B can adjust the angle of the display screen. The device is tilted to the required angle during teaching, and the angle of the body is adjusted. After that, the bolt is inserted through the fixed block and the support column, and the adjusting structure is tightened outside the bolt to fix the body and the support column. The device can adjust the angle, and the applicability of the information teaching experimental device during use is improved. However, the following problems exist in the actual use of the patent:

[0005] A power concentration motor train unit structure teaching screen adjusting device is proposed to solve the problems mentioned above. CONTENT OF THE UTILITY MODEL

[0006] The utility model aims at providing a power concentration motor train unit structure teaching screen adjusting device to solve the problem that the angle of the body is adjusted after the device is tilted to the required angle during teaching, the bolt is inserted through the fixed block and the support column, and the adjusting structure is tightened outside the bolt to fix the body and the support column. The device can adjust the angle, and the applicability of the information teaching experimental device during use is improved. However, the following problems exist in the actual use of the patent:

[0007] In order to achieve the above object, the utility model provides the following technical scheme: a power concentration motor train unit structure teaching screen adjusting device, including base, connecting plate and body, the bottom surface all around of base is fixed with pulley;

[0008] The top surface of the base is symmetrically provided with a sleeve, the inside of the sleeve is provided with a lifting assembly, the lifting assembly comprises a threaded rod rotatably connected with the sleeve, a slave gear is connected to the surface of the threaded rod, a main gear is rotatably connected to the surface of the slave gear, a rotating rod is rotatably connected to the inside of the main gear, and the rotating rod is rotatably connected with the sleeve;

[0009] Further comprising:

[0010] The inside of the connecting plate is provided with a rotating groove;

[0011] Among them, the rotating groove is symmetrically provided with a plurality of grooves around;

[0012] Among them, the inside of the groove is fixedly installed with a telescopic rod.

[0013] Preferably, the surface of the telescopic rod is provided with a compression spring, one side surface of the compression spring is fixedly connected with a stable block, and the other side surface of the compression spring is fixedly connected with the groove.

[0014] Preferably, the side surface of the telescopic rod away from the groove is fixedly connected with the stable block, and the side surface of the stable block away from the telescopic rod is fixedly connected with a limiting ball.

[0015] Preferably, the inside of the rotating groove is rotatably connected with a rotating block, a circular groove is provided outside the rotating groove, and a sliding block is slidably connected inside the circular groove.

[0016] Preferably, the surface of the threaded rod is provided with a top rod, the two sides of the top rod close to the bottom are symmetrically provided with sliding blocks, the inside of the sleeve is symmetrically provided with a sliding groove, and the sliding groove is slidably connected with the sliding block.

[0017] Preferably, the top surface of the rotating block is fixedly connected with the body, and the top surface of the sliding block is fixedly connected with the body.

[0018] Preferably, the surface of the rotating block is provided with a plurality of limiting grooves around, and the limiting grooves are snap-connected with the limiting ball.

[0019] Compared with the prior art, the beneficial effects of the utility model are: the adjusting device for power concentrated motor train unit structure teaching screen, through the cooperation between the rotating groove, the groove, the telescopic rod, the compression spring, the stable block, the limiting ball, the rotating block, the circular groove, the sliding block and the limiting groove, the body can be adjusted in the left and right directions on the basis that the body can be adjusted in the up and down angles in the prior art, so that the angle of the body can be adjusted according to the needs, so that the students can watch the body more conveniently, and the students' teaching experience can be improved through the setting of the lifting assembly, and the specific contents are as follows:

[0020] 1. Through the setting of the rotating groove, the groove, the telescopic rod, the compression spring, the stable block, the limiting ball, the rotating block, the circular groove, the sliding block and the limiting groove, when the body needs to be rotated, the body is rotated, the rotating block in the rotating groove can be rotated, the limiting groove on the rotating block can extrude the limiting ball when the rotating block is rotated, the two sides of the limiting groove are inclined, the limiting groove can better extrude the limiting ball, the stable block is extruded when the limiting ball is extruded, the telescopic rod and the compression spring are extruded after the stable block is extruded, so that the compression spring is deformed, the elasticity of the compression spring is small, the body is conveniently rotated, the stable block returns to the original position under the cooperation of the telescopic rod and the compression spring after the body is rotated to the appropriate position, so that the limiting ball and the limiting groove are re-engaged together, the limiting effect of the body is completed, the sliding block is adaptively slid in the circular groove when the body is rotated, so that the body can be adjusted in the left and right directions on the basis that the body can be adjusted in the up and down angles in the prior art, so that the angle of the body can be adjusted according to the needs, so that the students can watch the body more conveniently;

[0021] 2. Through the setting of the lifting assembly, when the height of the body needs to be adjusted, the main gear is rotated by rotating the rotating rod, the rotation of the main gear drives the rotation of the from gear, the rotation of the from gear drives the rotation of the threaded rod, the rotation of the threaded rod drives the rising or falling of the top rod, the top rod is fixedly connected with the sliding block, the sliding block is slidably connected with the sliding groove, the cooperation between the sliding block and the sliding groove enables the top rod to be limited, so that the top rod can rise or fall along with the rotation of the threaded rod, the rising or falling of the top rod drives the rising or falling of the connecting plate, so that the body can be raised or lowered, thereby achieving the height adjustment of the body. DRAWINGS

[0022] Figure 1 It is the whole structure schematic view in the utility model;

[0023] Figure 2 It is the whole internal structure schematic view in the utility model;

[0024] Figure 3 It is the whole structure schematic view in the utility model Figure 2 It is the A area amplification structure schematic view in the utility model;

[0025] Figure 4 It is the sleeve and rotating rod connecting structure schematic view in the utility model;

[0026] Figure 5 It is the rotating block and sliding block and the body connecting structure schematic view in the utility model;

[0027] Figure 6 It is the connecting plate internal structure schematic view in the utility model.

[0028] In the drawing: 1, base; 2, pulley; 3, sleeve; 4, lifting assembly; 401, threaded rod; 402, from gear; 403, main gear; 404, rotating rod; 405, top rod; 406, sliding block; 407, sliding slot; 5, connecting plate; 6, body; 7, rotating groove; 8, recess; 9, telescopic rod; 10, compression spring; 11, firm block; 12, limit ball; 13, rotating block; 14, circular slot; 15, sliding block; 16, limit slot. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0030] Please refer to Figures 1-6The utility model provides technical scheme: a power concentration motor train unit structure teaching screen adjusting device, including base 1, connecting plate 5 and body 6, the bottom surface all around fixed mounting of base 1 has pulley 2;The top surface of base 1 is installed the sleeve 3 symmetrically, the inside of sleeve 3 is provided with lifting assembly 4, and lifting assembly 4 includes the threaded rod 401 of rotation connection with sleeve 3, and the surface penetration of threaded rod 401 is connected with from gear 402, and the surface engagement of from gear 402 one side is connected with main gear 403, and the inside middle penetration of main gear 403 is connected with rotary rod 404, and rotary rod 404 is connected with sleeve 3 penetration, still include: the inside middle of connecting plate 5 is set up rotary groove 7, wherein, the four quarters symmetry of rotary groove 7 is set up a plurality of recess 8, wherein, the inside fixed mounting of recess 8 has telescopic link 9, as shown in Figures 1-6 The cooperation between rotary groove 7, recess 8, telescopic link 9, compression spring 10, stable block 11, limiting ball 12, rotating block 13, circular groove 14, sliding block 15 and limiting groove 16 makes the body 6 can be adjusted in the left and right directions on the basis of up and down angle adjustment in the prior art, so that the angle of the body 6 can be adjusted as required, so that students can more conveniently watch the body 6, and the lifting assembly 4 is arranged, so that the body 6 can be adjusted in the lifting direction, so that the teaching experience of students can be improved.

[0031] The surface of telescopic link 9 is provided with compression spring 10, one side surface of compression spring 10 is fixedly connected with stable block 11, the other side surface of compression spring 10 is fixedly connected with recess 8, one side surface of telescopic link 9 away from recess 8 is fixedly connected with stable block 11, one side surface of stable block 11 away from telescopic link 9 is fixedly connected with limiting ball 12, rotating block 13 is rotatably connected in the inside of rotary groove 7, circular groove 14 is formed on the outside of rotary groove 7, sliding block 15 is slidably connected in the inside of circular groove 14, as shown in Figure 3 , 5, 6 is shown, when the body 6 needs to be rotated, by rotating the body 6, so that the body 6 can drive the rotating block 13 to rotate inside the rotating groove 7, and when the rotating block 13 rotates, the limiting groove 16 on the rotating block 13 can extrude the limiting ball 12, and the two sides of the limiting groove 16 are inclined, so that the limiting groove 16 can better extrude the limiting ball 12, and when the limiting ball 12 is extruded, the stable block 11 is extruded, and after the stable block 11 is extruded, the telescopic rod 9 and the compression spring 10 are extruded, so that the compression spring 10 deforms, and the elastic force of the compression spring 10 is small, so that the body 6 is convenient to rotate, and after the body 6 is rotated to the appropriate position, the stable block 11 restores to the original position under the cooperation of the telescopic rod 9 and the compression spring 10, so that the limiting ball 12 and the limiting groove 16 are re-engaged together, thereby completing the limiting action of the body 6, and the sliding block 15 can be adapted to slide in the circular groove 14 during rotation of the body 6, so that the body 6 can be adjusted in the left and right directions on the basis of being able to be adjusted in the up and down angles in the prior art, so that the angle of the body 6 can be adjusted as needed, thereby maximizing the convenience of students to watch the body 6.

[0032] The surface of the threaded rod 401 is threadedly sleeved with the ejector rod 405, the ejector rod 405 is symmetrically provided with a sliding block 406 near the two sides of the bottom, the inside of the sleeve 3 is symmetrically provided with a sliding groove 407, and the sliding groove 407 is in sliding connection with the sliding block 406. Figure 2 As shown in the figure, when the height of the body 6 needs to be adjusted, the rotating rod 404 is rotated, the rotation of the rotating rod 404 can drive the rotation of the main gear 403, the rotation of the main gear 403 can drive the rotation of the gear 402, the rotation of the gear 402 can drive the rotation of the threaded rod 401, the rotation of the threaded rod 401 can drive the rising or falling of the ejector rod 405, the ejector rod 405 is fixedly connected with the sliding block 406, the sliding block 406 is in sliding connection with the sliding groove 407, the cooperation between the sliding block 406 and the sliding groove 407 can limit the ejector rod 405, so that the ejector rod 405 can rise or fall with the rotation of the threaded rod 401, the rising or falling of the ejector rod 405 can drive the rising or falling of the connecting plate 5, so that the body 6 can be raised or lowered, thereby achieving the height adjustment of the body 6, and the threaded rod 401 and the rotating rod 404 are staggered, so that the threaded rod 401 and the rotating rod 404 will not interfere with each other.

[0033] The top surface of the rotating block 13 is fixedly connected with the body 6, and the top surface of the sliding block 15 is fixedly connected with the body 6. Figure 5As shown, the body 6 is fixedly connected with the rotating block 13 and the sliding block 15, so that when the body 6 rotates, the rotating block 13 and the sliding block 15 can rotate in the rotating groove 7 and the circular groove 14, thereby enabling the body 6 to be adjusted in rotation, and the circular groove 14 is provided on the connecting plate 5.

[0034] A plurality of limiting grooves 16 are provided around the surface of the rotating block 13, and the limiting grooves 16 are in engagement with the limiting ball 12, as shown. Figure 3 As shown, the limiting ball 12 and the limiting groove 16 are engaged together, thereby completing the limiting action on the body 6.

[0035] Working principle: Before using the adjusting device of the power concentration motor train unit structure teaching screen, the overall condition of the device needs to be checked to determine whether it can work normally, and according to Figure 1 Figure 6 As shown, first, the rotating groove 7, the groove 8, the telescopic rod 9, the compression spring 10, the stabilizing block 11, the limiting ball 12, the rotating block 13, the circular groove 14, the sliding block 15 and the limiting groove 16 are provided, when the body 6 needs to be rotated, the body 6 is rotated, so that the body 6 can drive the rotating block 13 to rotate in the rotating groove 7, and when the rotating block 13 rotates, the limiting groove 16 on the rotating block 13 can extrude the limiting ball 12, and the two sides of the limiting groove 16 are inclined, so that the limiting groove 16 can better extrude the limiting ball 12, when the limiting ball 12 is extruded, the stabilizing block 11 is extruded, after the stabilizing block 11 is extruded, the telescopic rod 9 and the compression spring 10 are extruded, thereby causing the compression spring 10 to deform, and the elastic force of the compression spring 10 is small, so that the body 6 can be easily rotated, after the body 6 is rotated to the appropriate position, the stabilizing block 11 returns to the original position under the cooperation of the telescopic rod 9 and the compression spring 10, thereby the limiting ball 12 and the limiting groove 16 are engaged together again, thereby completing the limiting action on the body 6, and when the body 6 rotates, the sliding block 15 adaptively slides in the circular groove 14, thereby enabling the body 6 to be adjusted in the left and right directions on the basis of being adjusted in the up and down angles in the prior art, thereby enabling the angle of the body 6 to be adjusted as needed, thereby enabling the students to more conveniently watch the body 6.

[0036] ​Secondly, by setting the lifting assembly 4, when the height of the body 6 needs to be adjusted, by rotating the rotating rod 404, the rotation of the rotating rod 404 can drive the rotation of the main gear 403, the rotation of the main gear 403 can drive the rotation of the from gear 402, the rotation of the from gear 402 can drive the rotation of the threaded rod 401, the rotation of the threaded rod 401 can drive the rising or falling of the top rod 405, the top rod 405 is fixedly connected with the sliding block 406, the sliding block 406 is slidably connected with the sliding groove 407, the cooperation between the sliding block 406 and the sliding groove 407 can limit the top rod 405, so that the top rod 405 can rise or fall with the rotation of the threaded rod 401, the rising or falling of the top rod 405 can drive the rising or falling of the connecting plate 5, so that the body 6 can be raised or lowered, thereby achieving the height adjustment of the body 6.

[0037] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A power concentration motor train unit structure teaching screen adjusting device, comprising a base (1), a connecting plate (5) and a body (6), a plurality of pulleys (2) are fixedly installed around the bottom surface of the base (1); a sleeve (3) is symmetrically installed on the top surface of the base (1), a lifting assembly (4) is arranged in the sleeve (3), the lifting assembly (4) comprises a threaded rod (401) rotatably connected with the sleeve (3), a slave gear (402) is connected through the surface of the threaded rod (401), a main gear (403) is engagedly connected to one side surface of the slave gear (402), a rotating rod (404) is connected through the inside of the main gear (403), and the rotating rod (404) is connected through the sleeve (3); characterized in that further comprising: a rotating groove (7) is formed in the middle of the inside of the connecting plate (5); wherein a plurality of grooves (8) are symmetrically formed around the rotating groove (7); wherein a telescopic rod (9) is fixedly installed in the inside of the groove (8).

2. The power-concentrated motor train unit structure teaching screen adjusting device according to claim 1, characterized in that: A compression spring (10) is sleeved on the surface of the telescopic rod (9), a stable block (11) is fixedly connected to one side surface of the compression spring (10), and the other side surface of the compression spring (10) is fixedly connected with the groove (8).

3. The power-concentrated motor train unit structure teaching screen adjusting device according to claim 2, characterized in that: The side surface of the telescopic rod (9) away from the groove (8) is fixedly connected with the stable block (11), and the side surface of the stable block (11) away from the telescopic rod (9) is fixedly connected with a limiting ball (12).

4. The power-concentrated motor train unit structure teaching screen adjusting device according to claim 1, characterized in that: A rotating block (13) is rotatably connected in the inside of the rotating groove (7), a circular groove (14) is formed outside the rotating groove (7), and a sliding block (15) is slidably connected in the inside of the circular groove (14).

5. The power-concentrated motor train unit structure teaching screen adjusting device according to claim 1, characterized in that: A jack (405) is threadedly sleeved on the surface of the threaded rod (401), sliding blocks (406) are symmetrically installed on both sides close to the bottom of the jack (405), sliding grooves (407) are symmetrically formed in the inside of the sleeve (3), and the sliding grooves (407) are slidably connected with the sliding blocks (406).

6. The power-concentrated motor train unit structure teaching screen adjusting device according to claim 4, characterized in that: The top surface of the rotating block (13) is fixedly connected with the body (6), and the top surface of the sliding block (15) is fixedly connected with the body (6).

7. The power-concentrated motor train unit structure teaching screen adjusting device according to claim 4, characterized in that: A plurality of limiting grooves (16) are formed around the surface of the rotating block (13), and the limiting grooves (16) are snap-connected with the limiting ball (12).

Images