CN214765615U

CN214765615U - Height-adjustable laboratory teaching experiment table

Info

Publication number: CN214765615U
Application number: CN202121155741.9U
Authority: CN
Inventors: 臧公甫
Original assignee: Jiangsu Guming Intelligent Technology Co ltd
Current assignee: Jiangsu Guming Intelligent Technology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a height-adjustable's laboratory is with teaching experiment platform relates to teaching equipment technical field. The improved structure comprises a platform, wherein a bottom box is arranged below the platform, a connecting plate is fixedly connected to the lower end of the platform, a supporting rod is connected to the lower surface of the platform in a sliding manner, rollers are arranged at the lower end of the supporting rod, a pedal is fixedly connected to the side surface of the bottom box, a sleeve plate is fixedly connected to the side surface of the pedal, sliding grooves are formed in the bottom box and the sleeve plate, a positioning ring is slidably connected to the inside of the bottom box, a threaded disc is rotatably connected to the inside of the bottom box, and a sleeve is fixedly connected to a middle shaft of the threaded disc; through setting up the bracing piece and being connected with the transmission of thread plate, the rotation that utilizes the thread plate drives the bracing piece and reciprocates to reach the purpose of adjusting the platform height, and accommodation process is simple, reaches the purpose of being convenient for adjust according to student's height, makes things convenient for the teaching and uses.

Description

Height-adjustable laboratory teaching experiment table

Technical Field

The utility model relates to a teaching equipment technical field specifically is a height-adjustable's laboratory is with teaching experiment platform.

Background

Experiment teaching is a teaching method for discovering and verifying knowledge by using an experiment method. It is a practical teaching method and process different from infusion teaching. Experiment teaching, we are not strange in reality. Such as a physical class, a design class, etc. It is not based on a large number of theoretical infusions. But instead are learned by a concise outline, and note description, and actual practice. In universities, experimental teaching is more important. It is an important link in learning skills. And students can learn the method and skill for processing the problems which must be possessed after entering the society through experimental teaching.

Among the prior art, all kinds of experiment platforms can be used often in the experiment teaching process, because student's height is different, and required platform height is also different in the use, and common experiment platform is mostly fixed table type structure, can't adjust the height.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the utility model provides a following technical scheme: a laboratory teaching experiment table with adjustable height comprises a platform, wherein a bottom box is arranged below the platform;

the lower end of the platform is fixedly connected with a connecting plate, the lower surface of the platform is connected with a supporting rod in a sliding manner, and the lower end of the supporting rod is provided with a roller;

the side fixedly connected with footboard of under casing, the side fixedly connected with lagging of footboard, the spout has all been seted up to the inside of under casing and lagging, the inside sliding connection of under casing has the holding ring, the inside of under casing is rotated and is connected with the thread disc, the axis fixedly connected with sleeve of thread disc, telescopic inside sliding connection has the movable rod, the terminal fixedly connected with connecting rod of movable rod, the both ends of connecting rod are rotated and are connected with the handle.

As a preferred technical scheme of the utility model, the connecting plate bilateral symmetry sets up both ends about the platform, connecting plate sliding connection is in the spout.

As a preferred technical scheme of the utility model, the surface of gyro wheel is the sunken type, the screw thread outer fringe of screw thread dish is circular-arc just, the screw thread and the gyro wheel swing joint of screw thread dish.

As an optimized technical scheme of the utility model, the thread diameter of screw thread dish reduces from left to right gradually.

As a preferred technical scheme of the utility model, logical groove has been seted up to telescopic inner wall, the surface of movable rod is provided with and leads to the corresponding rib in groove.

As a preferred technical scheme of the utility model, the axis of screw thread dish has concatenated positioning gear, the inside of under casing is provided with the location latch, the sharp end and the positioning gear meshing of location latch, the end of location latch is provided with L type push rod, L type push rod and under casing sliding connection, and L type push rod extend to the front of under casing, the outside of L type push rod cup jointed with under casing inner wall fixedly connected with spring.

As an optimal technical scheme of the utility model, the centre of connecting rod is provided with the handle, the both ends of connecting rod be provided with the recess of handle looks adaptation.

Compared with the prior art, the utility model provides a height-adjustable's laboratory is with teaching experiment platform possesses following beneficial effect:

this height-adjustable's laboratory is with teaching experiment platform is connected through the transmission that sets up bracing piece and screw thread dish, utilizes the rotation of screw thread dish to drive the bracing piece and reciprocates to reach the purpose of adjusting the platform height, and accommodation process is simple, reach the purpose of being convenient for adjust according to student's height, make things convenient for the teaching and use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the bottom case structure of the present invention;

fig. 3 is a partially enlarged view of the portion a in fig. 2 according to the present invention;

FIG. 4 is a schematic view of the positioning gear of the present invention;

fig. 5 is a schematic view of the connecting rod structure of the present invention.

In the figure: 1. a platform; 11. a connecting plate; 12. a support bar; 13. a roller; 2. a bottom box; 21. a pedal; 22. sheathing; 23. a chute; 24. a positioning ring; 25. a threaded disc; 251. positioning a gear; 26. a sleeve; 27. a movable rod; 28. a connecting rod; 281. a handle; 29. a handle; 201. positioning latch teeth; 202. an L-shaped push rod; 203. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the utility model discloses a height-adjustable laboratory teaching experiment table, which comprises a platform 1, wherein a bottom box 2 is arranged below the platform 1;

the lower end of the platform 1 is fixedly connected with a connecting plate 11, the lower surface of the platform 1 is connected with a supporting rod 12 in a sliding manner, and the lower end of the supporting rod 12 is provided with a roller 13;

the utility model discloses a portable electronic device, including end box 2, the side fixedly connected with footboard 21 of end box 2, the side fixedly connected with lagging 22 of footboard 21, spout 23 has all been seted up to end box 2 and lagging 22's inside, the inside sliding connection of end box 2 has holding ring 24, the inside rotation of end box 2 is connected with thread disc 25, the axis fixedly connected with sleeve 26 of thread disc 25, the inside sliding connection of sleeve 26 has movable rod 27, the terminal fixedly connected with connecting rod 28 of movable rod 27, the both ends of connecting rod 28 rotate and are connected with handle 29.

Specifically, the connecting plates 11 are arranged at the left end and the right end of the platform 1 in a bilateral symmetry manner, and the connecting plates 11 are connected in the sliding grooves 23 in a sliding manner.

In this embodiment, the platform 1, the bottom case 2 and the sleeve plate 22 are slidably connected by the connecting plate 11, so as to form an adjustable teaching experiment table.

Specifically, the surface of the roller 13 is concave, the outer edge of the thread of the threaded disc 25 is arc-shaped, and the thread of the threaded disc 25 is movably connected with the roller 13; the thread diameter of the threaded disc 25 decreases gradually from left to right.

In this embodiment, in the rotation process of the threaded disc 25, the roller 13 is driven by the threaded disc 25 to move up and down and left and right.

Specifically, a through groove is formed in the inner wall of the sleeve 26, and ribs corresponding to the through groove are arranged on the outer surface of the movable rod 27.

In this embodiment, sleeve 26 is connected back with movable rod 27 and is fixed sleeve 26 and movable rod 27's relative angle through the joint of logical groove and rib, guarantees sleeve 26 and movable rod 27 synchronous rotation.

Specifically, a positioning gear 251 is connected in series with a middle shaft of the threaded disc 25, a positioning latch 201 is arranged inside the bottom case 2, a sharp end of the positioning latch 201 is engaged with the positioning gear 251, an L-shaped push rod 202 is arranged at the tail end of the positioning latch 201, the L-shaped push rod 202 is connected with the bottom case 2 in a sliding manner, the L-shaped push rod 202 extends to the front of the bottom case 2, and a spring 203 fixedly connected with the inner wall of the bottom case 2 is sleeved outside the L-shaped push rod 202.

In this embodiment, the L-shaped push rod 202 is kept clamped with the positioning gear 251 under the action of the spring 203, so as to fix the deflection angle of the positioning gear 251, thereby preventing the threaded disc 25 from rotating, and further locking the height of the platform 1.

Specifically, a handle 281 is arranged in the middle of the connecting rod 28, and grooves matched with the handles 29 are arranged at two ends of the connecting rod 28.

In this embodiment, the handle 281 provides a stress point for the action of pulling out the connecting rod 28, and the handle 29 is deflected after pulling out the connecting rod 28 to the side surface of the bottom case 2, so that the connecting rod 28 can be rotated through the handle 29 to rotate the threaded disc 25, thereby realizing the height adjustment of the platform 1.

When the locking device is used, the L-shaped push rod 202 is pushed inwards, the positioning latch 201 is separated from the positioning gear 251, the connecting rod 28 is pulled outwards, the handle 29 is deflected, the connecting rod 28 is driven to rotate by the handle 29, the threaded disc 25 is driven to rotate, the roller 13 is driven to move up and down, left and right under the action of the threaded disc 25, the up and down movement of the roller 13 is used for driving the platform 1 to move up and down, height adjustment is completed, the L-shaped push rod 202 is loosened after adjustment, and locking is completed.

To sum up, this height-adjustable's laboratory is with teaching experiment platform is connected through the transmission that sets up bracing piece 12 and thread disc 25, utilizes the rotation of thread disc 25 to drive bracing piece 12 and reciprocates to reach the purpose of highly adjusting 1 platform, and accommodation process is simple, reaches the purpose of being convenient for carry out the adjustment according to student's height, makes things convenient for the teaching and uses.

It should be noted that, in this document, terms such as "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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a height-adjustable's laboratory is with teaching experiment platform, includes platform (1), its characterized in that: a bottom box (2) is arranged below the platform (1);

the lower end of the platform (1) is fixedly connected with a connecting plate (11), the lower surface of the platform (1) is connected with a supporting rod (12) in a sliding manner, and the lower end of the supporting rod (12) is provided with a roller (13);

side fixedly connected with footboard (21) of under casing (2), side fixedly connected with lagging (22) of footboard (21), spout (23) have all been seted up to the inside of under casing (2) and lagging (22), the inside sliding connection of under casing (2) has holding ring (24), the inside rotation of under casing (2) is connected with thread disc (25), axis fixedly connected with sleeve (26) of thread disc (25), the inside sliding connection of sleeve (26) has movable rod (27), the terminal fixedly connected with connecting rod (28) of movable rod (27), the both ends of connecting rod (28) are rotated and are connected with handle (29).

2. The laboratory teaching experiment table with adjustable height of claim 1, wherein: the connecting plates (11) are arranged at the left end and the right end of the platform (1) in a bilateral symmetry mode, and the connecting plates (11) are connected in the sliding grooves (23) in a sliding mode.

3. The laboratory teaching experiment table with adjustable height of claim 1, wherein: the surface of gyro wheel (13) is the sunken type, the screw thread outer fringe of screw thread dish (25) is circular-arc just, the screw thread and gyro wheel (13) swing joint of screw thread dish (25).

4. The laboratory teaching experiment table with adjustable height of claim 1, wherein: the thread diameter of the thread disc (25) is gradually reduced from left to right.

5. The laboratory teaching experiment table with adjustable height of claim 1, wherein: the inner wall of the sleeve (26) is provided with a through groove, and the outer surface of the movable rod (27) is provided with ribs corresponding to the through groove.

6. The laboratory teaching experiment table with adjustable height of claim 1, wherein: the middle shaft of the threaded disc (25) is connected with a positioning gear (251) in series, a positioning latch (201) is arranged inside the bottom case (2), the sharp end of the positioning latch (201) is meshed with the positioning gear (251), an L-shaped push rod (202) is arranged at the tail end of the positioning latch (201), the L-shaped push rod (202) is connected with the bottom case (2) in a sliding mode, the L-shaped push rod (202) extends to the front face of the bottom case (2), and a spring (203) is fixedly connected with the inner wall of the bottom case (2) in a sleeved mode outside the L-shaped push rod (202).

7. The laboratory teaching experiment table with adjustable height of claim 1, wherein: the middle of the connecting rod (28) is provided with a handle (281), and two ends of the connecting rod (28) are provided with grooves matched with the handle (29).