CN220855914U

CN220855914U - Laboratory demonstration experiment terminal

Info

Publication number: CN220855914U
Application number: CN202322518996.2U
Authority: CN
Inventors: 张铁柱; 吕明贺; 王娇娇; 王敬宏
Original assignee: Liaoning Wen Bin Teaching Equipment Co ltd
Current assignee: Liaoning Wen Bin Teaching Equipment Co ltd
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-26
Anticipated expiration: 2033-09-18

Abstract

The utility model belongs to the technical field of teaching aids, and particularly relates to a laboratory demonstration experiment terminal which comprises a bottom plate, wherein a movable buffer structure is arranged on the bottom surface of the bottom plate, a lifting structure is arranged on the top surface of the bottom plate, a collecting and cleaning structure is arranged on the top surface of the lifting structure, the lifting structure comprises a mounting plate, the output end of an asynchronous motor is connected with a bidirectional threaded rod, the outer surface of the bidirectional threaded rod is connected with a first sliding block, the top surface of the first sliding block is provided with a first connecting piece, the outer surface of the first connecting piece is connected with a folding rod, the top end of the folding rod is provided with a second connecting piece, the top surface of the second connecting piece is connected with a second sliding block, and the outer surface of the sliding block is connected with a lifting table. This laboratory demonstration experiment terminal, asynchronous motor drive two-way threaded rod and rotate, and two-way threaded rod and the threaded connection of slider one make two sliders be close to each other or keep away from, make two folding bars of homonymy take place the change of angle, drive slider two mutually and be close to each other or keep away from in step, adjust the height of elevating platform, be convenient for show.

Description

Laboratory demonstration experiment terminal

Technical Field

The utility model relates to the technical field of teaching aids, in particular to a laboratory demonstration experiment terminal.

Background

Physics is an experimental-based discipline, and many laws were introduced and validated through experimentation. Many laws of physics only lead in, out and verify through experiments to make students more profound and visual understanding. During analysis and calculation of the motion trail of the horizontal throwing motion and the inclined throwing motion, experimental equipment is needed to complete.

However, the existing experimental equipment is complex in operation, inconvenient to use, low in accuracy of measured data and unfavorable for students to perform physical experiments.

The demonstration device for the physical laboratory is disclosed in Chinese patent CN208589180U, a groove is formed in the position, close to the right side, of the top of a bottom plate, plasticine is arranged in an inner cavity of the groove, the top of the bottom plate is movably connected with a frame body through a movable device, one side, far away from a first spring, of the fixed plate is provided with a first pull ring, the movable plate is fixedly connected with a movable plate, one side, far away from a second movable rod, of the movable plate is fixedly connected with a second pull ring, the other end of the connecting rod is movably connected with the top of the movable block through a connecting device, a plurality of fixed rods are fixedly connected with rollers on the two sides of the movable block, the side walls of the rollers are mutually attached to the top of the bottom plate, and the movable block is fixed on the top of the bottom plate through a bolt.

However, when a demonstration experiment is performed in the prior art, it is generally required to consider that the observation of the experiment performed by students is convenient, and therefore the adjustability of the experiment platform is very important.

For this reason, it is needed to provide a laboratory demonstration experiment terminal.

Disclosure of utility model

The utility model aims to provide a laboratory demonstration experiment terminal, which aims to solve the problems that in the prior art, when a demonstration experiment is carried out in the prior art, the observation of experiments by students is convenient to take into consideration, the adjustability of an experiment platform is very important, the demonstration platform in the prior art is usually displayed on a teacher desk, the height of the teacher desk is usually relatively fixed, and the observation of the experiment process by students is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a laboratory demonstration experiment terminal, includes the bottom plate, remove buffer structure is installed to the bottom plate bottom surface, elevation structure is installed to the bottom plate top surface, elevation structure top surface is provided with collects clearance structure.

The lifting structure comprises a mounting plate, an asynchronous motor is mounted on the top surface of the mounting plate, a bidirectional threaded rod is connected with the output end of the asynchronous motor, a first sliding block is connected to the outer surface of the bidirectional threaded rod, a first connecting piece is mounted on the top surface of the first sliding block, a folding rod is connected to the outer surface of the first connecting piece, a rotating shaft is mounted in the middle of the folding rod, a second connecting piece is mounted on the top end of the folding rod, a second sliding block is connected to the top surface of the second connecting piece, and a lifting table is connected to the outer surface of the sliding block.

Preferably, the mounting plate left side and bottom plate right side fixed connection, the inside sliding connection of rectangle spout is offered to slider one surface and bottom plate top surface near front and back one end, threaded hole has been offered in slider one left side, threaded hole inside and two-way threaded rod surface threaded connection, slider external surface and elevating platform bottom surface are close to front and back one inside sliding connection of rectangle spout is offered. Opposite threads are formed at the left end and the right end of the outer surface of the bidirectional threaded rod, when the bidirectional threaded rod rotates, the two sliding blocks are close to or far away from each other, the two asynchronous motors are synchronously controlled through the controller, so that the rotating speed and the starting and stopping time of the two asynchronous motors are kept synchronous, the bidirectional threaded rod is a mature technology in the prior art, and the controller principle is not repeated in the document.

Preferably, the collecting and cleaning structure comprises a collecting unit and a cleaning unit.

The collecting unit comprises a collecting box, a containing box is arranged on the back of the collecting box, a box cover is arranged on the top surface of the containing box, and a handle is fixedly arranged on the top surface of the box cover.

Preferably, the cleaning unit comprises a limiting block, a wiping plate is fixedly connected to the middle part of the front surface of the limiting block, and a pushing block is fixedly installed in the middle of one end of the front surface of the top surface of the wiping plate.

Preferably, the collecting box is detachably arranged in the middle of the left side of the lifting platform, the containing box is fixedly arranged at the left end of one side of the back of the lifting platform, the box cover is hinged with the top surface hinge of the containing box, the outer surface of the limiting block is connected with the middle of the front surface of the lifting platform in a sliding mode, and the bottom surface of the wiping plate is connected with the top surface of the lifting platform in a sliding mode. The brush hair is arranged on the bottom surface of the wiping plate or the cleaning sleeve can be used outside the wiping plate, so that the surface of the lifting table can be cleaned conveniently.

Preferably, the movable buffer structure comprises a support column, a sliding cylinder is fixedly arranged in the middle of the bottom end of the support column, a sliding column is slidably connected to the bottom end inside the sliding cylinder, a spring is fixedly connected to the bottom end of the sliding cylinder, a connecting plate is fixedly arranged at the bottom end of the sliding column, and universal wheels are arranged on the bottom surface of the connecting plate.

Preferably, the top end of the supporting column is fixedly connected with the bottom surface of the bottom plate, and one end of the spring, which is far away from the sliding cylinder, is fixedly connected with the top surface of the connecting plate. The inside of the sliding cylinder is in sealed sliding connection with the outer surface of the sliding column, and the top surface of the sliding cylinder is in sealed fixed connection with the bottom end of the supporting column.

Compared with the prior art, the utility model has the beneficial effects that:

1. this laboratory demonstration experiment terminal through the setting of elevation structure, utilizes asynchronous machine to drive two-way threaded rod rotation, utilizes the threaded connection of two-way threaded rod and slider one, can make two slider one be close to each other or keep away from, makes two folding bars of homonymy take place the change of angle from this, drives slider two each other to be close to or keep away from in step, adjusts the height of elevating platform from this, is convenient for demonstrate.

2. This laboratory demonstration experiment terminal through collecting the setting of clearance structure, utilizes to promote the pushing block and can drive the stopper and openly offer the inside slip of convex spout at the elevating platform, drives simultaneously and cleans the board and slide at the elevating platform top surface, clears up dirty things such as piece dust to the elevating platform top surface, pushes into the collection box inside with it, is convenient for carry out centralized processing to it, and the receiver can accomodate the required teaching aid of experiment, can not make the teaching aid lose.

3. This laboratory demonstration experiment terminal through removing buffer structure's setting, utilizes the universal wheel can make the device overall movement, is convenient for make it remove suitable position and use, can utilize the traveller to carry out the compression of certain degree to the inside air of traveller at the inside slip of traveller at the in-process that removes, can carry out effectual buffering to jolting, and the traveller drives the connecting plate and carries out relative displacement when the inside slip of traveller simultaneously, extrudees the spring from this, utilizes the deformation force of spring to carry out further buffering.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the present utility model;

FIG. 3 is an enlarged view of the lifting structure of the present utility model;

FIG. 4 is an enlarged view of a motion buffer structure according to the present utility model;

fig. 5 is an enlarged view of the structure at a in fig. 2.

In the figure: 1. a bottom plate; 101. a support column; 102. a slide cylinder; 103. a spool; 104. a spring; 105. a connecting plate; 106. a universal wheel; 201. a mounting plate; 202. an asynchronous motor; 203. a two-way threaded rod; 204. a first sliding block; 205. a first connecting piece; 206. a folding bar; 207. a rotation shaft; 208. a second connecting piece; 209. a second slide block; 210. a lifting table; 301. a collection box; 302. a storage box; 303. a case cover; 304. a handle; 305. a limiting block; 306. a pushing block; 307. the wiping plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution:

Examples

The utility model provides a laboratory demonstration experiment terminal, including bottom plate 1, the removal buffer structure is installed to bottom plate 1 bottom surface, elevation structure is installed to bottom plate 1 top surface, elevation structure top surface is provided with collects clearance structure, elevation structure is including mounting panel 201, asynchronous motor 202 is installed to mounting panel 201 top surface, asynchronous motor 202 output is connected with two-way threaded rod 203, two-way threaded rod 203 external surface connection has slider one 204, slider one 204 top surface installs connecting piece one 205, connecting piece one 205 external surface connection has folding bar 206, folding bar 206 mid-mounting has rotation axis 207, connecting piece two 208 are installed on folding bar 206 top, connecting piece two 208 top surface is connected with slider two 209, slider two 209 external surface connection has elevating platform 210. The left side of mounting panel 201 and bottom plate 1 right side fixed connection, the inside sliding connection of rectangle spout is offered to slider one 204 surface and bottom plate 1 top surface near front and back one end, and the screw hole is offered in slider one 204 left side, and the screw hole is inside to be connected with bi-directional threaded rod 203 surface screw thread, slider two 209 surface and elevating platform 210 bottom surface near front and back offer rectangle spout one inside sliding connection.

Through the setting of elevation structure, utilize asynchronous motor 202 to drive bi-directional threaded rod 203 rotation, utilize the threaded connection of bi-directional threaded rod 203 and slider one 204, can make two sliders one 204 be close to each other or keep away from, make two folding bars 206 of homonymy take place the change of angle from this, drive slider two 209 in step and be close to each other or keep away from, adjust elevating platform 210's height from this, be convenient for show.

When the height of the lifting platform 210 needs to be adjusted, the asynchronous motor 202 is started to drive the bidirectional threaded rod 203 to rotate, and because the bidirectional threaded rod 203 is in threaded connection with the first slider 204, when the bidirectional threaded rod 203 rotates, the first two sliders 204 are close to or far away from each other, the first two sliders 204 can drive the folding rod 206 to change in angle through the first connecting piece 205 in the sliding process, and meanwhile, when the angle of the folding rod 206 changes, the second connecting piece 208 drives the second slider 209 to slide, so that the height of the lifting platform 210 can be effectively adjusted, and the experimental process can be conveniently displayed.

Examples

The collecting and cleaning structure comprises a collecting unit and a cleaning unit. The collecting unit comprises a collecting box 301, a containing box 302 is arranged on the back surface of the collecting box 301, a box cover 303 is arranged on the top surface of the containing box 302, and a handle 304 is fixedly arranged on the top surface of the box cover 303. The cleaning unit comprises a limiting block 305, a wiping plate 307 is fixedly connected to the middle of the front face of the limiting block 305, and a pushing block 306 is fixedly arranged at the middle of one end of the front face of the top face of the wiping plate 307.

The collecting box 301 is detachably mounted in the middle of the left side of the lifting platform 210, the containing box 302 is fixedly mounted at the left end of one side of the back of the lifting platform 210, the box cover 303 is hinged with the top surface of the containing box 302, the outer surface of the limiting block 305 is connected with the middle of the front surface of the lifting platform 210 in a sliding manner, a convex sliding groove is formed in the middle of the front surface of the lifting platform, and the bottom surface of the wiping plate 307 is connected with the top surface of the lifting platform 210 in a sliding manner.

Through the setting of collecting the clearance structure, utilize to promote the impeller 306 and can drive stopper 305 and set up the inside slip of convex spout in elevating platform 210 openly, drive simultaneously and clean board 307 and slide at elevating platform 210 top surface, clear up dirty things such as piece dust to elevating platform 210 top surface, push into the collection box 301 inside with it, be convenient for carry out centralized processing to it, the required teaching aid of receiver 302 can accomodate the experiment, can not make the teaching aid lose.

When using experimental teaching aid, can open case lid 303 through pulling handle 304, get out the use from containing box 302 is inside, utilize containing box 302 to store after the use, can not cause the loss of teaching aid, after the experiment is accomplished, can promote the kicking block 306 and drive stopper 305 and slide in the inside convex spout that elevating platform 210 openly offered, drive scrubbing plate 307 and slide at elevating platform 210 top surface from this, clean elevating platform 210 top surface to can get into collecting box 301 with promotion such as dirt dust inside, be convenient for carry out centralized processing to the dirt etc..

Examples

The movable buffer structure comprises a support column 101, a slide cylinder 102 is fixedly arranged in the middle of the bottom end of the support column 101, a slide column 103 is slidably connected to the bottom end inside the slide cylinder 102, a spring 104 is fixedly connected to the bottom end of the slide cylinder 102, a connecting plate 105 is fixedly arranged at the bottom end of the slide column 103, and universal wheels 106 are arranged on the bottom surface of the connecting plate 105. The top end of the supporting column 101 is fixedly connected with the bottom surface of the bottom plate 1, and one end, far away from the sliding cylinder 102, of the spring 104 is fixedly connected with the top surface of the connecting plate 105.

The device can be integrally moved by utilizing the universal wheels, the device can be conveniently moved to a proper position for use, the air in the sliding barrel 102 can be compressed to a certain extent by utilizing the sliding column 103 to slide in the sliding barrel 102 in the moving process, jolt can be effectively buffered, meanwhile, the sliding column 103 drives the connecting plate 105 to relatively displace when the sliding barrel 102 slides, so that the spring 104 is extruded, and the deformation force of the spring 104 is utilized for further buffering.

In the process of moving the device by using the universal wheels 106, when jolting is encountered, the sliding column 103 slides in the sliding cylinder 102, so that the sliding column 103 and the sliding cylinder 102 can be used for sealing sliding connection, air in the sliding cylinder 102 is compressed to a certain extent, the jolting force can be effectively buffered by using the reaction force of compressed air, meanwhile, the sliding column 103 drives the relative position of the connecting plate 105 and the sliding cylinder 102 to change when the sliding cylinder 102 slides in the sliding cylinder, the sliding cylinder 102 and the connecting plate 105 squeeze the spring 104, the spring 104 is deformed, the jolting force can be further buffered by using the deformation force of the spring 104, and the device can be more stable in the moving process.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

Claims

1. Laboratory demonstration experiment terminal, including bottom plate (1), its characterized in that: the bottom surface of the bottom plate (1) is provided with a movable buffer structure, the top surface of the bottom plate (1) is provided with a lifting structure, and the top surface of the lifting structure is provided with a collecting and cleaning structure;

The lifting structure comprises a mounting plate (201), an asynchronous motor (202) is mounted on the top surface of the mounting plate (201), a bidirectional threaded rod (203) is connected to the output end of the asynchronous motor (202), a first sliding block (204) is connected to the outer surface of the bidirectional threaded rod (203), a first connecting piece (205) is mounted on the top surface of the first sliding block (204), a folding rod (206) is connected to the outer surface of the first connecting piece (205), a rotating shaft (207) is mounted in the middle of the folding rod (206), a second connecting piece (208) is mounted on the top end of the folding rod (206), a second sliding block (209) is connected to the top surface of the second connecting piece (208), and a lifting table (210) is connected to the outer surface of the second sliding block (209).

2. A laboratory demonstration experiment terminal according to claim 1, wherein: the left side of mounting panel (201) and bottom plate (1) right side fixed connection, rectangle spout inside sliding connection is offered to slider one (204) surface and bottom plate (1) top surface near openly and back one end, threaded hole has been offered in slider one (204) left side, threaded hole inside and two-way threaded rod (203) surface threaded connection, rectangle spout one inside sliding connection is offered to slider two (209) surface and elevating platform (210) bottom surface near openly and the back.

3. A laboratory demonstration experiment terminal according to claim 1, wherein: the collecting and cleaning structure comprises a collecting unit and a cleaning unit;

The collecting unit comprises a collecting box (301), a containing box (302) is arranged on the back of the collecting box (301), a box cover (303) is arranged on the top surface of the containing box (302), and a handle (304) is fixedly arranged on the top surface of the box cover (303).

4. A laboratory demonstration experiment terminal according to claim 3, wherein: the cleaning unit comprises a limiting block (305), a wiping plate (307) is fixedly connected to the middle of the front face of the limiting block (305), and a pushing block (306) is fixedly arranged at the middle of one end of the front face of the top face of the wiping plate (307).

5. The laboratory demonstration test terminal of claim 4, wherein: the collecting box (301) is detachably mounted in the middle of the left side of the lifting table (210), the containing box (302) is fixedly mounted at the left end of one side of the back of the lifting table (210), the box cover (303) is hinged to the top surface of the containing box (302), the outer surface of the limiting block (305) is connected with the middle of the front surface of the lifting table (210) in a sliding mode through a convex sliding groove, and the bottom surface of the wiping plate (307) is connected with the top surface of the lifting table (210) in a sliding mode.

6. A laboratory demonstration experiment terminal according to claim 1, wherein: the movable buffer structure comprises a support column (101), a sliding cylinder (102) is fixedly arranged in the middle of the bottom end of the support column (101), a sliding column (103) is slidably connected to the bottom end inside the sliding cylinder (102), a spring (104) is fixedly connected to the bottom end of the sliding cylinder (102), a connecting plate (105) is fixedly arranged at the bottom end of the sliding column (103), and a universal wheel (106) is arranged on the bottom surface of the connecting plate (105).

7. The laboratory demonstration test terminal of claim 6, wherein: the top end of the supporting column (101) is fixedly connected with the bottom surface of the bottom plate (1), and one end, far away from the sliding cylinder (102), of the spring (104) is fixedly connected with the top surface of the connecting plate (105).