CN214394314U

CN214394314U - Section device for it is biological experiments

Info

Publication number: CN214394314U
Application number: CN202022890268.0U
Authority: CN
Inventors: 张艳
Original assignee: Kangtai Medical Laboratory Service Hebei Co ltd
Current assignee: Kangtai Medical Laboratory Service Hebei Co ltd
Priority date: 2020-12-05
Filing date: 2020-12-05
Publication date: 2021-10-15
Anticipated expiration: 2030-12-05

Abstract

The utility model discloses a section device for it is biological experiments, including seting up the spout on the workstation, the spout internal rotation is connected with the regulation pole, and threaded connection has the slider on the regulation pole, it has the handle to adjust the pole one end fixed mounting outside extending to the workstation, fixed mounting branch on the slider, and fixed mounting has the backup pad on the branch, be equipped with the constant head tank in the backup pad, and sliding connection has cutting blade in the constant head tank, fixed mounting has the dead lever on the cutting blade, the cover is equipped with the spring on the dead lever, and the lower extreme and the backup pad fixed connection of spring, fixed mounting has the press block on the dead lever, fixed mounting has the mounting panel on the workstation. Has the advantages that: the utility model discloses can carry out the section operation of different slope degrees as required, be convenient for better observe the experiment to biological tissue, and can ensure that section thickness keeps unanimous, avoid causing adverse effect to the observation result of biological experiment.

Description

Section device for it is biological experiments

Technical Field

The utility model relates to a biological instrument technical field especially relates to a section device for it is biological experiments.

Background

Biological experiments refer to the process of purposefully observing and researching the phenomena of organism structures and life activities which are not easy to observe under general conditions by a scientific method and using certain instruments, materials and the like under specific environmental conditions, and the biological experiments not only can help students to understand concepts and rules of biology, but also are beneficial to inspiring active thinking of the students and culturing scientific quality of the students.

When carrying out biological assay, often need carry out the section operation, current section operation mostly uses the slicing knife manual work to go on for the experimenter, need not to ensure that section thickness is unanimous, easily causes adverse effect to the observation result, and when the section operation that needs carry out the incline direction, the operation is wayward, easily leads to hand injury because of the slicing knife shake.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a slicing device for biological experiments.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a slicing device for biological experiments comprises a sliding chute arranged on a worktable, an adjusting rod is rotationally connected in the sliding chute, a sliding block is connected on the adjusting rod through screw threads, a handle is fixedly arranged at one end of the adjusting rod extending out of the workbench, a supporting rod is fixedly arranged on the sliding block, a supporting plate is fixedly arranged on the supporting rod, a positioning groove is arranged on the supporting plate, a cutting blade is connected in the positioning groove in a sliding manner, a fixed rod is fixedly arranged on the cutting blade, a spring is sleeved on the fixed rod, the lower end of the spring is fixedly connected with the supporting plate, the upper end of the fixed rod is fixedly provided with the pressing block, the workbench is fixedly provided with the mounting plate, and be equipped with the recess on the mounting panel, rotate through the bull stick in the recess and be connected with the connecting rod, the one end fixed mounting that the connecting rod is close to the backup pad has the fixed plate, install the fixed establishment that two symmetries set up on the fixed plate.

In foretell a section device for it is biological experiments, fixed establishment includes splint, fixed mounting has two fixed blocks on the lateral wall of fixed plate, splint are installed between two fixed blocks through two extension springs.

In foretell section device for it is biological experiments, the one end fixed mounting that the bull stick extends to outside the mounting panel has adjust knob, and threaded connection has fastening nut on the bull stick.

In foretell a section device for it is biological experiments, fixed mounting has the bottom plate on the branch, and the width of the width more than or equal to spout of bottom plate, be equipped with the quad slit with bottom plate matched with on the mounting panel.

In the slicing device for the biological experiment, the inner wall of one end, close to the fixed plate, of the positioning groove is fixedly provided with the scraping piece, and the lower end of the scraping piece is attached to the side wall of the cutting blade.

Compared with the prior art, the utility model discloses the advantage lies in:

1: place biological tissue on the fixed plate, elasticity through the extension spring afterwards can make two splint carry out the centre gripping fixed to its both sides to keep its stability of placing on the fixed plate, need not handheld biological tissue to operate, avoided misoperation to lead to the injured problem of hand.

2: through the cooperation of backup pad and constant head tank, press down and press the briquetting and can make cutting blade move down and accomplish the section operation, the probability that the error appears in section thickness is lower, and through the cooperation of slider with adjust the pole, be convenient for make cutting blade move at every turn and equal the distance to can ensure that section thickness keeps unanimous, avoid causing adverse effect to biological experiment's observation result.

3: through the cooperation of connecting rod and bull stick, be convenient for adjust the angle of the relative mounting panel of fixed plate to can make its upper biological tissue fix with the slope degree of difference, be convenient for carry out the section operation of different slope degrees as required.

To sum up, the utility model discloses can carry out the section operation of different slope degrees as required, be convenient for better observe the experiment to biological tissue, and can ensure that section thickness keeps unanimous, avoid causing adverse effect to the observation result of biological experiment.

Drawings

Fig. 1 is a schematic structural view of a slicing apparatus for biological experiments according to the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is an enlarged view of a portion a of fig. 1.

In the figure: 1 workstation, 2 spouts, 3 regulation poles, 4 sliders, 5 branches, 6 backup pads, 7 constant head tanks, 8 cutting blade, 9 springs, 10 pressing block, 11 mounting panels, 12 bull sticks, 13 connecting rods, 14 fixed plates, 15 fixed blocks, 16 extension springs, 17 splint, 18 bottom plates, 19 quad slit, 20 handles, 21 doctor-bars, 22 dead levers.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a slicing device for a biological experiment comprises a chute 2 arranged on a workbench 1, an adjusting rod 3 is rotatably connected in the chute 2, a slider 4 is connected to the adjusting rod 3 through a thread, a handle 20 is fixedly arranged at one end of the adjusting rod 3 extending out of the workbench 1, and a support rod 5 is fixedly arranged on the slider 4;

the above is noteworthy:

1. when the handle 20 is rotated, the slider 4 can drive the support rod 5 to slide on the workbench 1 by the threaded connection effect of the adjusting rod 3 and the slider 4 and the limiting effect of the sliding groove 2 on the slider 4.

2. Fixed mounting has backup pad 6 on branch 5, be equipped with constant head tank 7 in the backup pad 6, and sliding connection has cutting blade 8 in constant head tank 7, fixed mounting has dead lever 22 on cutting blade 8, the cover is equipped with spring 9 on the dead lever 22, and the lower extreme and the backup pad 6 fixed connection of spring 9, dead lever 22 upper end fixed mounting presses piece 10, when pressing piece 10, accessible dead lever 22 takes cutting blade 8 to move down in constant head tank 7, and then can carry out the section operation to the biological tissue who lies in its below, when loosening dead lever 22, spring 9's elasticity can make and press piece 10 to move up, thereby make cutting blade 8 reset.

3. The inner wall of one end of the positioning groove 7 close to the fixing plate 14 is fixedly provided with the scraping blade 21, the lower end of the scraping blade 21 is attached to the side wall of the cutting blade 8, and the scraping blade 21 can scrape part of biological tissues attached to the cutting blade 8 when the cutting blade 8 resets, so that the biological tissues are prevented from being blocked when entering the positioning groove 7.

4. The supporting rod 5 is fixedly provided with a bottom plate 18, the width of the bottom plate 18 is larger than or equal to that of the sliding chute 2, the mounting plate 11 is provided with a square hole 19 matched with the bottom plate 18, and the slicing can be prevented from falling into the sliding chute 2 due to the design of the bottom plate 18.

An installation plate 11 is fixedly installed on the workbench 1, a groove is formed in the installation plate 11, a connecting rod 13 is rotatably connected in the groove through a rotating rod 12, and a fixing plate 14 is fixedly installed at one end, close to the support plate 6, of the connecting rod 13;

the above is noteworthy:

1. biological tissue to be sliced can be fixed on the fixing plate 14, and the connecting rod 13 is rotatably connected with the mounting plate 11, so that when the biological tissue is fixed on the fixing plate 14, the fixed angle of the biological tissue can be adjusted by rotating the fixing plate 14, and slicing operations with different inclination angles can be performed.

2. The bull stick 12 extends to the outer one end fixed mounting of mounting panel 11 has adjust knob, adjust knob's design, be convenient for better adjust the inclination of 14 relative mounting panels 11 of fixed plate, and threaded connection has fastening nut on the bull stick 12, fastening nut is not shown in the figure, after angle modulation finishes, screw up fastening nut, can fix the bull stick 12, thereby can fix the inclination of fixed plate 14, avoid it to take place to deflect and lead to the inaccurate problem of section angle.

3. Install the fixed establishment that two symmetries set up on fixed plate 14, fixed establishment includes splint 17, and fixed installation has two fixed blocks 15 on the lateral wall of fixed plate 14, and splint 17 installs between two fixed blocks 15 through two extension springs 16, places biological tissue on fixed plate 14, and elasticity through extension spring 16 can make two splint 17 carry out the centre gripping fixed to biological tissue's both sides afterwards to keep its stability of placing on fixed plate 14.

Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.

The utility model discloses in, to carry out sliced biological tissue and place on fixed plate 14, fix it through the cooperation of extension spring 16 with splint 17 afterwards, unscrew fastening nut afterwards, rotate adjust knob and adjust the inclination of fixed plate 14, adjust the back that finishes, it fixes its angle to screw up fastening nut once more, later clockwise rotation handle 20, adjust the interval of 8 relative biological tissues of cutting blade, when adjusting to suitable position, press down and can accomplish the section operation according to briquetting 10, when cutting once more, only need at every turn with handle 20 clockwise rotation same angle, can ensure follow-up at every turn that the section thickness is unanimous, thereby can ensure biological experiment's the degree of accuracy, and biological tissue and cutting blade 8 all need not to be handheld, can avoid the hand to rock and lead to misoperation to cause the injured problem of hand.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a section device for biological experiments, includes spout (2) of seting up on workstation (1), its characterized in that, spout (2) internal rotation is connected with adjusts pole (3), and adjusts pole (3) and go up threaded connection has slider (4), it has handle (20) to adjust pole (3) and extend to the outer one end fixed mounting of workstation (1), fixed mounting branch (5) are gone up to slider (4), and fixed mounting has backup pad (6) on branch (5), be equipped with constant head tank (7) on backup pad (6), and sliding connection has cutting blade (8) in constant head tank (7), fixed mounting has dead lever (22) on cutting blade (8), the cover is equipped with spring (9) on dead lever (22), and the lower extreme and backup pad (6) fixed connection of spring (9), fixed mounting has press piece (10) on dead lever (22), fixed mounting has mounting panel (11) on workstation (1), and is equipped with the recess on mounting panel (11), rotate through bull stick (12) in the recess and be connected with connecting rod (13), the one end fixed mounting that connecting rod (13) are close to backup pad (6) has fixed plate (14), install the fixed establishment that two symmetries set up on fixed plate (14).

2. The slicing device for the biological experiment as claimed in claim 1, wherein the fixing mechanism comprises a clamping plate (17), two fixing blocks (15) are fixedly mounted on the side wall of the fixing plate (14), and the clamping plate (17) is mounted between the two fixing blocks (15) through two tension springs (16).

3. The slicing device for the biological experiment as claimed in claim 1, wherein an adjusting knob is fixedly mounted at one end of the rotating rod (12) extending out of the mounting plate (11), and a fastening nut is connected to the rotating rod (12) in a threaded manner.

4. The slicing device for the biological experiment as claimed in claim 1, wherein the supporting rod (5) is fixedly provided with a bottom plate (18), the width of the bottom plate (18) is greater than or equal to the width of the sliding groove (2), and the mounting plate (11) is provided with a square hole (19) matched with the bottom plate (18).

5. The slicing device for biological experiments as claimed in claim 1, wherein a scraper (21) is fixedly mounted on the inner wall of one end of the positioning groove (7) close to the fixing plate (14), and the lower end of the scraper (21) is attached to the side wall of the cutting blade (8).