CN216368070U - Experiment table for biological teaching demonstration - Google Patents
Experiment table for biological teaching demonstration Download PDFInfo
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- CN216368070U CN216368070U CN202122469742.7U CN202122469742U CN216368070U CN 216368070 U CN216368070 U CN 216368070U CN 202122469742 U CN202122469742 U CN 202122469742U CN 216368070 U CN216368070 U CN 216368070U
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- teaching demonstration
- biological teaching
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Abstract
The utility model belongs to the field of biological teaching tools, in particular to a laboratory table for biological teaching demonstration, which aims at the existing problems and provides the following scheme, which comprises a table body, wherein four corners at the bottom of the table body are fixedly provided with support seats, the bottom ends of the four support seats are rotatably provided with idler wheels, two sides at the top of the table body are fixedly provided with a plurality of brackets at equal intervals along the vertical direction, and the top end of the bracket is fixedly provided with a square block, the inside of the square block is provided with a cavity, the inner wall of the cavity is respectively provided with two moving holes, the inner wall of the bottom side of the cavity is respectively provided with two upright posts in a sliding way, and the top end of the upright stanchion penetrates through the moving hole and extends outside the square block, the utility model solves the defects in the prior art, make people can adjust the position of test tube clamp and come to stabilize the centre gripping fixed to the test tube, be convenient for place the test tube, satisfied people's demand.
Description
Technical Field
The utility model relates to the technical field of biological teaching aids, in particular to an experiment table for biological teaching demonstration.
Background
Experiments are indispensable in biological teaching, and the experiments are well done to play a very important role in exciting the learning interest of students, developing the intelligence and the practical ability of the students and easily enhancing the memory of the students.
Need apply a lot of biological test tubes among the biological teaching, current biological teaching demonstration is with laboratory table can not carry out firm centre gripping to the test tube, is difficult to place, and it can be damaged to be somewhat careless.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a laboratory table for biological teaching demonstration.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an experiment table for biological teaching demonstration comprises a table body, wherein supports are fixedly mounted at four corners of the bottom of the table body, rollers are rotatably mounted at the bottoms of the four supports, a plurality of supports are fixedly mounted at two sides of the top of the table body at equal intervals along the vertical direction, a square block is fixedly mounted at the top end of each support, a cavity is formed in each square block, two moving holes are formed in the inner wall of each cavity, two vertical rods are slidably mounted on the inner wall of the bottom side of each cavity respectively, the top ends of the vertical rods penetrate through the moving holes and extend out of the square blocks, test tube clamps are fixedly mounted, the two test tube clamps are arranged correspondingly, a same test tube is arranged between the two test tube clamps, horizontal and vertical holes are formed in the inner walls of the two sides of the cavity, a fixed block is slidably mounted on one side, away from each other, a telescopic groove is formed in the fixed block, and a push rod is slidably mounted in the telescopic groove, the push rod penetrates through the horizontal and vertical hole and extends out of the square block.
Preferably, the inner wall of the bottom side of the cavity is respectively provided with two transverse sliding rails, the transverse sliding rails are internally provided with guide blocks in a sliding manner, and the top sides of the guide blocks are fixedly arranged at the bottom ends of the vertical rods.
Preferably, two horizontal slide rails keep away from the one end of equal fixedly connected with tension spring on the inner wall of one side each other, and tension spring's other end fixed connection is on the guide block.
Preferably, one end of a return spring is fixedly connected to the inner wall of one side of the telescopic groove, and the other end of the return spring is fixedly connected to the push rod.
Preferably, a fastening rod is slidably mounted on the top side of the push rod, and the fastening rod is in contact with one side of the fixed block.
Preferably, the inner walls of the two sides of the cavity are provided with fastening grooves, and the fastening grooves are matched with the fastening rods.
Preferably, the cross section of the fastening rod is of a U-shaped structure, and the cross section of the fastening groove is of an L-shaped structure.
According to the experiment table for biological teaching demonstration, firstly, the push rod is rotated to drive the fastening rod to rotate 180 degrees, then the push rod is pulled out of the telescopic groove, and is pulled upwards to bring the fastening rod to a position corresponding to the fastening groove, at the moment, the fastening rod can be clamped with the fastening groove under the action of the reset spring and the self gravity, so that the positions of two test tube clamps are fixed, and at the moment, the test tubes are clamped under the action of the tension spring;
the utility model overcomes the defects in the prior art, so that people can adjust the position of the test tube clamp to stably clamp and fix the test tube, the test tube is convenient to place, and the requirements of people are met.
Drawings
FIG. 1 is a schematic front view of a laboratory table for biological teaching demonstration according to the present invention;
FIG. 2 is a schematic diagram of a block top view structure of a biological teaching demonstration experiment table according to the present invention;
fig. 3 is a schematic structural diagram of part a of a biological teaching demonstration experiment table provided by the utility model.
In the figure: the test tube fixing device comprises a table body 1, a support 2, rollers 3, a support 4, squares 5, a cavity 6, a motion hole 7, an upright rod 8, a test tube clamp 9, test tubes 10, a transverse sliding rail 11, a guide block 12, a tension spring 13, a horizontal vertical hole 14, a fixing block 15, a telescopic groove 16, a push rod 17, a return spring 18, a fastening rod 19 and a fastening groove 20.
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.
Example one
Referring to fig. 1-3, an experiment table for biological teaching demonstration comprises a table body 1, wherein four corners of the bottom of the table body 1 are fixedly provided with support seats 2, the bottom ends of the four support seats 2 are rotatably provided with rollers 3, two sides of the top of the table body 1 are fixedly provided with a plurality of support frames 4 at equal intervals along the vertical direction, the top ends of the support frames 4 are fixedly provided with square blocks 5, cavities 6 are arranged inside the square blocks 5, the inner walls of the cavities 6 are respectively provided with two moving holes 7, the inner walls of the bottom sides of the cavities 6 are respectively provided with two upright posts 8 in a sliding manner, the top ends of the upright posts 8 penetrate through the moving holes 7 and extend out of the square blocks 5, and are fixedly provided with test tube clamps 9, the two test tube clamps 9 are correspondingly arranged, a same test tube 10 is arranged between the two test tube clamps 9, the inner walls of the two sides of the cavities 6 are respectively provided with horizontal upright holes 14, one side, far away from each other, of the two upright posts 8 are respectively provided with a fixed block 15 in a sliding manner, and a telescopic groove 16 is formed in the fixing block 15, a push rod 17 is slidably mounted in the telescopic groove 16, and the push rod 17 penetrates through the horizontal hole 14 and extends out of the square 5.
In the utility model, two transverse slide rails 11 are respectively arranged on the inner wall of the bottom side of the cavity 6, guide blocks 12 are slidably arranged in the transverse slide rails 11, and the top sides of the guide blocks 12 are fixedly arranged at the bottom ends of the upright rods 8.
In the utility model, one end of a tension spring 13 is fixedly connected to the inner wall of one side of each of the two transverse slide rails 11, the other end of the tension spring 13 is fixedly connected to the guide block 12, and the tension spring 13 is used for providing clamping force for the test tube 10.
In the present invention, one end of a return spring 18 is fixedly connected to an inner wall of one side of the telescopic slot 16, and the other end of the return spring 18 is fixedly connected to the push rod 17, and the return spring 18 is to enable the push rod 17 to automatically return.
In the present invention, a fastening rod 19 is slidably installed on the top side of the push rod 17, and the fastening rod 19 is in contact with one side of the fixed block 15.
In the utility model, the inner walls of the two sides of the cavity 6 are respectively provided with a fastening groove 20, the fastening grooves 20 are matched with the fastening rods 19, and the positions of the test tube clamps 9 are fixed through the fastening grooves 20 and the fastening rods 19.
In the present invention, the cross-section of the fastening bar 19 is a U-shaped structure, and the cross-section of the fastening groove 20 is an L-shaped structure.
Example two
Referring to fig. 1-3, an experiment table for biological teaching demonstration comprises a table body 1, wherein four corners of the bottom of the table body 1 are fixedly provided with support seats 2, the bottom ends of the four support seats 2 are rotatably provided with rollers 3, two sides of the top of the table body 1 are fixedly provided with a plurality of support frames 4 at equal intervals along the vertical direction, the top ends of the support frames 4 are fixedly provided with square blocks 5, cavities 6 are arranged inside the square blocks 5, the inner walls of the cavities 6 are respectively provided with two moving holes 7, the inner walls of the bottom sides of the cavities 6 are respectively provided with two upright posts 8 in a sliding manner, the top ends of the upright posts 8 penetrate through the moving holes 7 and extend out of the square blocks 5, and are fixedly provided with test tube clamps 9, the two test tube clamps 9 are correspondingly arranged, a same test tube 10 is arranged between the two test tube clamps 9, the inner walls of the two sides of the cavities 6 are respectively provided with horizontal upright holes 14, one side, far away from each other, of the two upright posts 8 are respectively provided with a fixed block 15 in a sliding manner, and a telescopic groove 16 is formed in the fixing block 15, a push rod 17 is slidably mounted in the telescopic groove 16, and the push rod 17 penetrates through the horizontal hole 14 and extends out of the square 5.
In the utility model, two transverse slide rails 11 are respectively arranged on the inner wall of the bottom side of the cavity 6, guide blocks 12 are slidably arranged in the transverse slide rails 11, and the top sides of the guide blocks 12 are fixedly arranged at the bottom ends of the upright rods 8.
In the utility model, one end of a tension spring 13 is fixedly welded on the inner wall of one side of each of the two transverse slide rails 11, which is far away from each other, and the other end of the tension spring 13 is fixedly welded on the guide block 12.
In the utility model, one end of a return spring 18 is fixedly welded on the inner wall of one side of a telescopic groove 16, and the other end of the return spring 18 is fixedly welded on a push rod 17.
In the present invention, a fastening rod 19 is slidably installed on the top side of the push rod 17, and the fastening rod 19 is in contact with one side of the fixed block 15.
In the utility model, the inner walls of the two sides of the cavity 6 are dug with fastening grooves 20, and the fastening grooves 20 are matched with the fastening rods 19.
In the present invention, the cross-section of the fastening bar 19 is a U-shaped structure, and the cross-section of the fastening groove 20 is an L-shaped structure.
In the utility model, firstly, the push rod 17 is rotated to drive the fastening rod 19 to rotate 180 degrees, then the push rod 17 is pulled out of the telescopic slot 16, and the push rod 17 is pulled upwards to drive the fastening rod 19 to a position corresponding to the fastening slot 16, at the moment, the fastening rod 19 is clamped with the fastening slot 16 under the action of the reset spring 18 and the self gravity, so that the two test tube clamps 9 are fixed, and at the moment, the test tube 10 is clamped under the action of the tension spring 13.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. An experiment table for biological teaching demonstration comprises a table body (1) and is characterized in that supports (2) are fixedly mounted at four corners of the bottom of the table body (1), rollers (3) are rotatably mounted at the bottoms of the four supports (2), a plurality of brackets (4) are fixedly mounted on two sides of the top of the table body (1) at equal intervals along the vertical direction, a square block (5) is fixedly mounted at the top end of each bracket (4), a cavity (6) is formed in each square block (5), two moving holes (7) are formed in the inner wall of each cavity (6), two vertical rods (8) are slidably mounted on the inner wall of the bottom side of each cavity (6) respectively, the moving holes (7) are penetrated through the top ends of the vertical rods (8) and extend out of the square blocks (5), test tube clamps (9) are fixedly mounted on the inner walls of the cavities (6), and the two test tube clamps (9) are arranged correspondingly, be equipped with same test tube (10) between two test tube clamps (9), all seted up on the inner wall of cavity (6) both sides and crouched upright hole (14), the equal slidable mounting in one side that two pole settings (8) kept away from each other has fixed block (15), and has seted up flexible groove (16) in fixed block (15), and slidable mounting has push rod (17) in flexible groove (16), and push rod (17) run through crouch upright hole (14) to outside extending to square (5).
2. The experiment table for biological teaching demonstration according to claim 1, wherein two transverse sliding rails (11) are respectively arranged on the inner wall of the bottom side of the cavity (6), guide blocks (12) are slidably mounted in the transverse sliding rails (11), and the top sides of the guide blocks (12) are fixedly mounted at the bottom ends of the vertical rods (8).
3. The experiment table for biological teaching demonstration according to claim 2, wherein one end of the tension spring (13) is fixedly connected to the inner wall of one side of the two transverse sliding rails (11) away from each other, and the other end of the tension spring (13) is fixedly connected to the guide block (12).
4. The experiment table for biological teaching demonstration according to claim 1, wherein one end of a return spring (18) is fixedly connected to the inner wall of one side of the telescopic slot (16), and the other end of the return spring (18) is fixedly connected to the push rod (17).
5. Experiment table for biological teaching demonstration according to claim 1, characterized in that the top side of the push rod (17) is slidably mounted with a fastening rod (19), and the fastening rod (19) is in contact with one side of the fixed block (15).
6. The experiment table for biological teaching demonstration according to claim 1, wherein the inner walls of the two sides of the cavity (6) are provided with fastening grooves (20), and the fastening grooves (20) are matched with the fastening rods (19).
7. Experiment table for biological teaching demonstration according to claim 5, characterized in that the cross section of the fastening rod (19) is of U-shaped structure and the cross section of the fastening groove (20) is of L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469742.7U CN216368070U (en) | 2021-10-12 | 2021-10-12 | Experiment table for biological teaching demonstration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122469742.7U CN216368070U (en) | 2021-10-12 | 2021-10-12 | Experiment table for biological teaching demonstration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216368070U true CN216368070U (en) | 2022-04-26 |
Family
ID=81244520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122469742.7U Active CN216368070U (en) | 2021-10-12 | 2021-10-12 | Experiment table for biological teaching demonstration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216368070U (en) |
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2021
- 2021-10-12 CN CN202122469742.7U patent/CN216368070U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An experimental table for biological teaching demonstration Effective date of registration: 20230317 Granted publication date: 20220426 Pledgee: Industrial and Commercial Bank of China Limited Liangshan sub branch Pledgor: Shandong zhengheda Education Technology Co.,Ltd. Registration number: Y2023980035044 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220426 Pledgee: Industrial and Commercial Bank of China Limited Liangshan sub branch Pledgor: Shandong zhengheda Education Technology Co.,Ltd. Registration number: Y2023980035044 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An experimental table for demonstrating biology teaching Granted publication date: 20220426 Pledgee: Industrial and Commercial Bank of China Limited Liangshan sub branch Pledgor: Shandong zhengheda Education Technology Co.,Ltd. Registration number: Y2024980008458 |