CN216901992U

CN216901992U - Electric specialty teaching test bench convenient to adjust area

Info

Publication number: CN216901992U
Application number: CN202123098479.1U
Authority: CN
Inventors: 杨朝波
Original assignee: Dongguan Zhonghao Test Equipment Co ltd
Current assignee: Dongguan Zhonghao Test Equipment Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-07-05
Anticipated expiration: 2031-12-10

Abstract

The utility model discloses an electric specialty teaching test bed convenient for area adjustment, which comprises a base, an electric push rod, a support panel and a spring, wherein the electric push rod is arranged at the lower end inside the base, a first rack is fixedly arranged at the upper end of the electric push rod, a first gear is connected to the outer surface of the first rack, a conveyor belt is connected to the first gear, a pulley is connected to the tail end of the conveyor belt, a movable rod is fixedly connected to the outer side of the pulley, a first sliding groove is connected to the upper side of the movable rod, and the first sliding groove is fixedly arranged on the support rod. This test bench is used in electrical specialty teaching convenient to adjust area is provided with supporting panel, and when needs enlarged test bench usable floor area, control electric putter shifts up, drives gear and movable rod and begins work, and the movable rod circumference rotates and produces thrust to the bracing piece, makes supporting panel rotate, moves to the test bench horizontal plane, plays the effect that enlarges teaching test bench usable floor area.

Description

Electric specialty teaching test bench convenient to adjust area

Technical Field

The utility model relates to the technical field of electrical professions, in particular to a test bed for electrical profession teaching, which is convenient for area adjustment.

Background

With the development of scientific technology, the progress of electrical technology changes the development of people's life, such as: in the aspects of subway, light rail, communication and the like, the electrical profession is also a popular choice in the university profession, and a teaching test bed is often used in the teaching process, but the existing test bed has certain defects, such as the defects;

1. most of the existing electric teaching test beds have limited use areas, and cannot be conveniently adjusted according to use requirements, so that much inconvenience is brought to operation;

2. the stability of erectting the backup pad can't be guaranteed to current electric teaching test bench, and pressure is too big when using, easily takes place to empty the phenomenon, has brought danger for the user.

Aiming at the problems, innovative design is urgently needed on the basis of the original teaching test bed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a test bed for electrical specialty teaching, which is convenient for area adjustment, and aims to solve the problems that the use area is limited, the test bed cannot be adjusted conveniently according to the use requirement, the stability of erecting a supporting plate cannot be ensured, and the phenomenon of toppling is easy to occur due to overlarge pressure during use.

In order to achieve the purpose, the utility model provides the following technical scheme: a test bed for electrical specialty teaching convenient for area adjustment comprises a base, an electric push rod, a support panel and a spring, wherein the electric push rod is arranged at the lower end inside the base, a first rack is fixedly arranged at the upper end of the electric push rod, a first gear is connected to the outer surface of the first rack, a conveyor belt is connected to the first gear, a pulley is connected to the tail end of the conveyor belt, a movable rod is fixedly connected to the outer side of the pulley, a first chute is connected to the upper side of the movable rod and is fixedly arranged on the support rod, a second chute is connected to the outer surface of the lower end of the support rod and is positioned on the inner surface of the base, the support panel is fixedly connected to the outer end of the support rod, a clamping groove is formed in the support panel, a button is arranged above the clamping groove, a first movable block is arranged above the side surface of the base, and a second rack is arranged at the upper end of the first movable block, and the outside of the second rack is connected with the second gear, the upper end of the second gear is in butt joint with the third rack, the third rack is fixedly arranged at the lower end of the second movable block, the left side of the second movable block is provided with a third movable block, the lower end of the third movable block is fixedly connected with a spring, and the lower end of the spring is connected with the second movable block.

Preferably, the first rack is in meshed connection with the first gear, and the first gear is symmetrically arranged in two relative to the central line of the electric push rod.

Preferably, the movable rod and the conveyor belt form a rotating structure through a pulley, and the rotating angle of the movable rod is 90 degrees.

Preferably, the movable rod and the support rod form a sliding structure through the first sliding groove, and the support rod and the base form a sliding structure through the second sliding groove.

Preferably, the first movable block and the second rack are of an integrated structure and are meshed with the second rack and the third rack.

Preferably, the second movable block and the supporting panel form a clamping structure through a clamping groove, and the third movable block and the second movable block form an elastic structure through a spring.

Compared with the prior art, the utility model has the beneficial effects that: the test bed for electrical specialty teaching is convenient for area adjustment;

1. the test bed is provided with a supporting panel, when the use area of the test bed needs to be enlarged, the electric push rod is controlled to move upwards to drive the gear and the movable rod to start working, the movable rod rotates circumferentially to generate thrust on the supporting rod, so that the supporting panel rotates to move to the horizontal plane of the test bed, and the effect of enlarging the use area of the teaching test bed is achieved;

2. be provided with the movable block, when supporting panel moved to the test bench horizontal plane, can extrude first movable block, make it atress to the inside skew of base, the second movable block through rack and gear engagement can stretch out simultaneously, gets into supporting panel's draw-in groove, and the third movable block can be bounced, blocks the draw-in groove, plays the effect fully fixed to supporting panel.

Drawings

FIG. 1 is a schematic cross-sectional structural view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the unfolding structure of the support rod of the present invention;

FIG. 4 is a schematic view of the unfolding and fastening structure of the support panel according to the present invention;

in the figure: 1. a base; 2. an electric push rod; 3. a first rack; 4. a first gear; 5. a conveyor belt; 6. A pulley; 7. a movable rod; 8. a first chute; 9. a support bar; 10. a second chute; 11. a support panel; 12. a card slot; 13. a button; 14. a first movable block; 15. a second rack; 16. a second gear; 17. A third rack; 18. a second movable block; 19. a third movable block; 20. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a test bed for electrical specialty teaching convenient for area adjustment comprises a base 1, an electric push rod 2, a first rack 3, a first gear 4, a conveyor belt 5, a pulley 6, a movable rod 7, a first chute 8, a support rod 9, a second chute 10, a support panel 11, a clamping groove 12, a button 13, a first movable block 14, a second rack 15, a second gear 16, a third rack 17, a second movable block 18, a third movable block 19 and a spring 20, wherein the electric push rod 2 is arranged at the lower end inside the base 1, the first rack 3 is fixedly arranged at the upper end of the electric push rod 2, the outer surface of the first rack 3 is connected with the first gear 4, the conveyor belt 5 is connected onto the first gear 4, the pulley 6 is connected to the tail end of the conveyor belt 5, the movable rod 7 is fixedly connected onto the outer side of the pulley 6, the first chute 8 is connected onto the upper side of the movable rod 7, and the first chute 8 is fixedly arranged on the support rod 9, the outer surface of the lower end of the supporting rod 9 is connected with a second sliding groove 10, the second sliding groove 10 is located on the inner surface of the base 1, a supporting panel 11 is fixedly connected to the outer end of the supporting rod 9, a clamping groove 12 is formed in the supporting panel 11, a button 13 is arranged above the clamping groove 12, a first movable block 14 is arranged above the side face of the base 1, a second rack 15 is arranged at the upper end of the first movable block 14, the outer side of the second rack 15 is connected with a second gear 16, the upper end of the second gear 16 is in butt joint with a third rack 17, the third rack 17 is fixedly mounted at the lower end of a second movable block 18, a third movable block 19 is arranged on the left side of the second movable block 18, a spring 20 is fixedly connected to the lower end of the third movable block 19, and the lower end of the spring 20 is connected with the second movable block 18.

The first rack 3 is connected with the first gear 4 in a meshed manner, the first gear 4 is symmetrically arranged into two parts about the central line of the electric push rod 2, the movable rod 7 and the conveyor belt 5 form a rotating structure through the pulley 6, the rotating angle of the movable rod 7 is 90 degrees, the movable rod 7 and the support rod 9 form a sliding structure through the first chute 8, the support rod 9 and the base 1 form a sliding structure through the second chute 10, when the electric push rod 2 works upwards, the first gear 4, the pulley 6 and the conveyor belt 5 are driven to start rotating, the movable rod 7 starts to rotate at a directional angle along with the rotation, and the support rod 9 and the support panel 11 are driven by pressure to start rotating until the support panel 11 is level with the horizontal plane of the test bed, so that the effect of enlarging the use area is achieved;

the first movable block 14 and the second rack 15 are of an integrated structure, and are meshed with the second rack 15 and the third rack 17, the second movable block 18 forms a clamping structure with the supporting panel 11 through the clamping groove 12, and the third movable block 19 forms an elastic structure with the second movable block 18 through the spring 20, when the supporting panel 11 moves to the horizontal plane of the test bed, the first movable block 14 located on the side face of the test bed is extruded, the first movable block 14 is pressed to slide towards the inside of the base 1, the second movable block 18 is driven to start to move towards the outer end of the base 1 through the gear rack meshing, when the second movable block 18 enters the clamping groove 12 in the supporting panel 11, the third movable block 19 at the upper end of the second movable block 18 can bounce under the elastic action of the spring 20 and is clamped with the clamping groove 12, and the effect of fully fixing the supporting panel 11 is achieved.

The working principle is as follows: when the test bed for electrical specialty teaching with convenient area adjustment is used, according to the drawing 1 and the drawing 3, the device is firstly placed at a position needing to work, when the use area of the test bed needs to be adjusted and increased, the electric push rod 2 is controlled by a computer, the electric push rod 2 is driven to enable the first rack 3 stably driving the output end to move upwards along the inside of the base 1, and further the first gear 4 meshed and connected with the outer end of the first rack 3 is driven to rotate circularly, the pulley 6 is driven to synchronously rotate through the conveyor belt 5 and the first gear 4, so that the movable rod 7 connected with the pulley 6 synchronously rotates outwards at a directional angle, the movable rod 7 turns to give a pressure to the support rod 9, and further the support rod 9 connected with the movable rod 7 in a sliding way rotates outwards at a directional angle, and meanwhile, the support panel 11 fixedly connected with the support rod 9 also starts to move, until the test bed is level with the horizontal plane of the test bed, the effect of enlarging the use area of the teaching test bed is achieved;

according to fig. 1, 2 and 3, when the supporting panel 11 moves to the horizontal plane of the test bed, the first movable block 14 located at the side of the test bed is squeezed, the first movable block 14 slides towards the inside of the base 1 when being pressed, meanwhile, the second rack 15 fixedly connected to the upper end of the first movable block 14 drives the second gear 16 engaged with the first rack 16 to start rotating, the second gear 16 rotates to drive the third rack 17 and the second movable block 18 engaged with the upper end to start moving towards the outer end of the base 1, when the second movable block 18 enters the slot 12 in the supporting panel 11, the third movable block 19 at the left end of the second movable block 18 will bounce up due to the elastic force of the spring 20 and be engaged with the slot 12 to fully fix the supporting panel 11, when the test is finished, the button 13 is pressed, the button 13 will squeeze the third movable block 19 to restore it, and at the same time, control the electric push rod 2 to move down, the supporting panel 11 can be rotated back along with the supporting panel, and the whole test bed is restored to the initial state, so that the overall practicability is improved.

Those not described in detail in this specification are within the skill of the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a test bench is used in electrical specialty teaching convenient to adjust area, includes base (1), electric putter (2), bracing piece (9), support panel (11) and spring (20), its characterized in that: the lower end in the base (1) is provided with an electric push rod (2), the upper end of the electric push rod (2) is fixedly provided with a first rack (3), the outer surface of the first rack (3) is connected with a first gear (4), the first gear (4) is connected with a conveyor belt (5), the tail end of the conveyor belt (5) is connected with a pulley (6), the outer side of the pulley (6) is fixedly connected with a movable rod (7), the upper side of the movable rod (7) is connected with a first chute (8), the first chute (8) is fixedly arranged on a support rod (9), the outer surface of the lower end of the support rod (9) is connected with a second chute (10), the second chute (10) is positioned on the inner surface of the base (1), the outer end of the support rod (9) is fixedly connected with a support panel (11), a clamping groove (12) is formed in the support panel (11), and a button (13) is arranged above the clamping groove (12), base (1) side top is provided with first movable block (14), and second rack (15) are installed to first movable block (14) upper end to second rack (15) outside is connected with second gear (16), second gear (16) upper end and third rack (17) dock each other, and third rack (17) fixed mounting in second movable block (18) lower extreme, second movable block (18) left side is provided with third movable block (19), and third movable block (19) lower extreme fixedly connected with spring (20) to spring (20) lower extreme is connected with second movable block (18).

2. The electric profession teaching test bed convenient to adjust area of claim 1, characterized in that: the first rack (3) is in meshed connection with the first gear (4), and the first gear (4) is symmetrically arranged to be two relative to the central line of the electric push rod (2).

3. The electric profession teaching test bed convenient to adjust area of claim 1, characterized in that: the movable rod (7) and the conveyor belt (5) form a rotating structure through the pulley (6), and the rotating angle of the movable rod (7) is 90 degrees.

4. The electric profession teaching test bed convenient to adjust area of claim 1, characterized in that: the movable rod (7) and the support rod (9) form a sliding structure through the first sliding groove (8), and the support rod (9) and the base (1) form a sliding structure through the second sliding groove (10).

5. The electric profession teaching test bed convenient to adjust area of claim 1, characterized in that: the first movable block (14) and the second rack (15) are of an integrated structure and are connected with the second rack (15) and the third rack (17) in a meshed mode.

6. The electric profession teaching test bed convenient to adjust area of claim 1, characterized in that: the second movable block (18) and the supporting panel (11) form a clamping structure through the clamping groove (12), and the third movable block (19) and the second movable block (18) form an elastic structure through a spring (20).