CN211729363U

CN211729363U - Blade bare-handed section ware for it is biological experiments

Info

Publication number: CN211729363U
Application number: CN201922090619.7U
Authority: CN
Inventors: 刘轩睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-10-23
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a blade bare-handed slicer for biological experiments, which belongs to the field of biological experiments and comprises a base, wherein a workbench is arranged on the upper surface of the base, a cutting plate is fixed on the upper surface of the workbench, fixed blocks are symmetrically welded on the upper surface of the base, screw rods are rotatably arranged on the side walls close to the two fixed blocks, the two screw rods are connected through connecting blocks, a moving block is in threaded connection with the screw rods, a first chute is symmetrically arranged on the upper surface of the base, a first slider is slidably connected with the first chute, the first slider is fixed at the bottom of the moving block, an installation rod is welded at the top end of the moving block, the installation rod is of an L-shaped structure, through holes are arranged on the installation rod, a moving rod is movably arranged; the utility model relates to a novelty, convenient operation has improved biological assay's security, not only can be accurate slice, and avoid the student blade fish tail finger when cutting into slices, and the practicality is high, is worth promoting.

Description

Blade bare-handed section ware for it is biological experiments

Technical Field

The utility model belongs to the technical field of biological assay, concretely relates to bare-handed section ware of blade for biological assay.

Background

In the middle school biology teaching, in the experiment of observing the mesophyll cell of plant, the blade needs to be sliced by the bare hand of the student, the operation method of slicing by the bare hand is that the blade is firstly placed on the glass, the left index finger is used for pressing the blade, the right hand-held blade is pasted on the index finger and is firstly cut off a part, then the blade is pasted on the index finger and is cut in the parallel direction to obtain the slice, when the blade is used by the student, the finger is easily scratched, and the experiment and the teaching are inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a blade is bare-handed section ware for it is biological experiments to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a blade bare-handed slicer for biological experiments comprises a base, wherein a workbench is mounted on the upper surface of the base, a cutting plate is fixed on the upper surface of the workbench, fixed blocks are symmetrically welded on the upper surface of the base, screw rods are rotatably mounted on the side walls, close to the two fixed blocks, of the two fixed blocks and are connected through connecting blocks, a moving block is in threaded connection with the screw rods, sliding grooves I are symmetrically formed in the upper surface of the base, sliding blocks I are slidably connected with the sliding grooves I and are fixed at the bottom of the moving block, mounting rods are welded at the top ends of the moving block and are of an L-shaped structure, through holes are formed in the mounting rods, moving rods are movably arranged in the through holes, pull blocks are mounted at the top ends of the moving rods, pressing blocks are mounted at the bottom ends of the moving rods, springs I are sleeved on the moving rods, sliding grooves II are symmetrically formed, the mounting block is rotatably provided with a cutter, the other second sliding block is connected with a second spring, and one end of the second spring is connected to one end of the cutter.

Adopt above-mentioned scheme, the blade that will treat the piece is placed on the cutting board, according to the size of blade, through the lead screw, the movable block, spout one, slider one, the installation pole, the movable rod, spring one and briquetting isotructure, can adjust the position between two briquettings, thereby fix the blade of equidimension not, avoid the student to point at blade fish tail when cutting into slices, through spout two, slider two, the installation piece, structure such as cutter and spring, not only can cut the blade, and the position of regulation cutter that can be convenient, can be clear and definite see the distance that the cutter removed, improve the section precision of blade, be worth promoting.

In a preferred embodiment, the screw threads of the two screws are opposite in rotation direction, and one end of one screw penetrates through the fixing block and is provided with a handle.

By adopting the scheme, the thread turning directions of the two screw rods are opposite, so that the two moving blocks can move in opposite directions, the positions of the mounting rods are synchronously adjusted, and the screw rods can be conveniently rotated by the handle.

In a preferred embodiment, the compact is made of rubber, and the length of the compact is equal to the width of the cutting plate.

Adopt above-mentioned scheme, the briquetting of rubber material can not cause the damage to the blade, and briquetting length etc. grandpa cutting board's width can be comprehensive fixed the blade.

As a preferred embodiment, the two second sliding grooves are located on two sides of the cutting plate, and a graduated scale is arranged on one side of the second sliding groove along the length direction.

By adopting the scheme, the graduated scale is arranged on one side of the second sliding groove, so that the moving distance of the second sliding groove can be accurately observed, and the slicing precision is improved.

In a preferred embodiment, the length of the cutting knife is the same as the width of the cutting plate.

By adopting the scheme, the length of the cutter is the same as that of the cutting plate, and the blades on the cutting plate can be completely cut.

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

according to the blade bare-handed slicer for the biological experiment, the position between two pressing blocks can be adjusted by arranging the structures such as the lead screw, the moving block, the sliding chute I, the sliding block I, the mounting rod, the moving rod, the spring I and the pressing blocks, so that blades with different sizes are fixed, and the blades of students are prevented from scratching fingers when slicing;

this bare-handed section ware of blade for biological assay is through setting up spout two, slider two, installation piece, cutter and spring class structure, not only can cut the blade, the position of the regulation cutter that moreover can be convenient sees the distance that the cutter removed clearly, improves the section precision of blade, is worth promoting.

Drawings

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

fig. 2 is a side view of the table of the present invention;

fig. 3 is a top view of the working table of the present invention.

In the figure: 1. a base; 2. a work table; 3. cutting the board; 4. a fixed block; 5. a screw; 6. connecting blocks; 7. a moving block; 8. a first sliding chute; 9. a first sliding block; 10. mounting a rod; 11. a movable rod; 12. briquetting; 13. a first spring; 14. a second chute; 15. a second sliding block; 16. mounting blocks; 17. a cutter; 18. and a second spring.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-3, the utility model provides a blade bare-handed slicer for biological experiments, which comprises a base 1, wherein a workbench 2 is arranged on the upper surface of the base 1, a cutting board 3 is fixed on the upper surface of the workbench 2, fixed blocks 4 are symmetrically welded on the upper surface of the base 1, screw rods 5 are rotatably arranged on the side walls of the two fixed blocks 4 which are close to each other, the two screw rods 5 are connected through a connecting block 6, moving blocks 7 are connected to the screw rods 5 through threads, the thread turning directions of the two screw rods 5 are opposite, and one end of one screw rod 5 penetrates through the fixed block 4 and is provided with a handle (see fig. 1); the screw threads of the two screw rods 5 are opposite in rotating direction, so that the two moving blocks 7 can move oppositely, the position of the mounting rod 10 is synchronously adjusted, and the screw rods 5 can be conveniently rotated by the handle.

The upper surface of the base 1 is symmetrically provided with first sliding grooves 8, the first sliding grooves 8 are connected with first sliding blocks 9 in a sliding mode, the first sliding blocks 9 are fixed to the bottom of the moving block 7, the top end of the moving block 7 is welded with an installation rod 10, the installation rod 10 is of an L-shaped structure, through holes are formed in the installation rod 10, movable rods 11 are movably arranged in the through holes, pull blocks are installed at the top ends of the movable rods 11, pressing blocks 12 are installed at the bottom ends of the movable rods 11, the pressing blocks 12 are made of rubber materials, and the length of the pressing blocks 12 is equal to the width; the briquetting 12 of rubber material can not cause the damage to the blade, 12 length of briquetting etc. can be comprehensive fixed the blade with the width of cutting board 3.

A first spring 13 is sleeved on the movable rod 11, a second sliding chute 14 is symmetrically formed in the upper surface of the workbench 2, the two second sliding chutes 14 are located on two sides of the cutting plate 3, and a graduated scale is arranged on one side of the second sliding chute 14 along the length direction (see fig. 1-3); and a graduated scale is arranged on one side of the second sliding chute 14, so that the moving distance of the second sliding chute 14 can be accurately observed, and the slicing precision is improved.

A second sliding block 15 is connected in the second sliding groove 14 in a sliding mode, a second mounting block 16 is welded on the second sliding block 15, a cutter 17 is rotatably mounted on the second mounting block 16, a second spring 18 is connected on the second sliding block 15, one end of the second spring 18 is connected to one end of the cutter 17, and the length of the cutter 17 is the same as the width of the cutting plate 3 (see fig. 2); the length of the cutting knife 17 is the same as that of the cutting plate 3, and the blades on the cutting plate 3 can be completely cut.

When the blade cutting device is used, a blade to be cut is placed on the cutting plate 3, according to the size of the blade, the handle is rotated to drive one screw rod 5 to rotate, the two screw rods 5 are connected through the connecting block 6, the two screw rods 5 synchronously rotate, the thread turning directions of the two screw rods 5 are opposite, the two moving blocks 7 can move in opposite directions, the position of the mounting rod 10 is synchronously adjusted to drive the two pressing blocks 12 to be close to or away from each other so as to adapt to the blades with different sizes, after the position of the pressing block 12 is adjusted, the pulling block is pulled to place the blade, the blade is fixed by the elasticity of the first spring 13, the pressing block made of rubber does not damage the blade, meanwhile, the blade scratching finger of a student during cutting is avoided, after the blade is placed, one end of the cutter 17 is pressed downwards to cut the blade on the cutting plate 3, and then the second sliding block 15, the position of the movable cutter 17 is provided with a graduated scale on one side of the second sliding groove 14, so that the moving distance of the cutter can be clearly seen, the slicing precision of the blade is improved, and the blade cutting device is worthy of popularization.

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 blade bare-handed section ware for it is biological experiments, includes base (1), its characterized in that: the cutting device is characterized in that a workbench (2) is mounted on the upper surface of a base (1), a cutting plate (3) is fixed on the upper surface of the workbench (2), fixed blocks (4) are symmetrically welded on the upper surface of the base (1), screw rods (5) are rotatably mounted on the side walls, close to the two fixed blocks (4), of the two screw rods (5) are connected through a connecting block (6), moving blocks (7) are connected to the screw rods (5) in a threaded manner, sliding grooves I (8) are symmetrically formed in the upper surface of the base (1), sliding blocks I (9) are slidably connected in the sliding grooves I (8), the sliding blocks I (9) are fixed at the bottom of the moving blocks (7), mounting rods (10) are welded at the top ends of the moving blocks (7), the mounting rods (10) are of L-shaped structures, through holes are formed in the mounting rods (10), moving rods (11) are movably, briquetting (12) are installed to the bottom of movable rod (11), the cover is equipped with spring (13) on movable rod (11), two (14) of spout have been seted up to workstation (2) upper surface symmetry, sliding connection has two (15) of slider in two (14) of spout, the welding has installation piece (16) on two (15) of slider, it installs cutter (17) to rotate on installation piece (16), be connected with two (18) of spring on two (15) of another slider, the one end at cutter (17) is connected to the one end of two (18) of spring.

2. The blade bare-handed slicer for biological experiments as claimed in claim 1, wherein: the screw thread turning directions of the two screw rods (5) are opposite, and one end of one screw rod (5) penetrates through the fixing block (4) and is provided with a handle.

3. The blade bare-handed slicer for biological experiments as claimed in claim 1, wherein: the pressing block (12) is made of rubber, and the length of the pressing block (12) is equal to the width of the cutting plate (3).

4. The blade bare-handed slicer for biological experiments as claimed in claim 1, wherein: and the second sliding grooves (14) are positioned on two sides of the cutting plate (3), and one side of the second sliding grooves (14) is provided with a graduated scale along the length direction.

5. The blade bare-handed slicer for biological experiments as claimed in claim 1, wherein: the length of the cutting knife (17) is the same as the width of the cutting plate (3).