CN210470607U

CN210470607U - Tissue culture experiment knife handle

Info

Publication number: CN210470607U
Application number: CN201921459643.7U
Authority: CN
Inventors: 向丹
Original assignee: Guangan Vocational and Technical College
Current assignee: Guangan Vocational and Technical College
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-05-08
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses an experimental knife handle for tissue culture, which comprises a knife handle body, a knife neck arranged at the top end of the knife handle body and a knife head detaching piece, wherein the knife head detaching piece comprises a slider and a knife head push rod connected with the slider, a chute for accommodating the slider is arranged on the knife handle body along the axial direction, and the knife head push rod extends to the knife neck and is pasted on the surface of the knife neck; when the sliding block slides to one end of the sliding groove, which is close to the cutter neck, the cutter head push rod is flush with the cutter neck or extends out of the cutter neck. The utility model discloses group banks up with experiment handle of a knife and is convenient for this group to bank up with experiment handle of a knife carries out the tool bit change, has practiced thrift and has carried out sterile time to each tool bit, has satisfied the demand to multiple tool bit in the experimentation moreover.

Description

Tissue culture experiment knife handle

Technical Field

The utility model relates to a plant tissue culture equipment technical field especially relates to a group banks up with earth and uses experiment handle of a knife.

Background

The tissue culture technology refers to a technology of placing an isolated organ (such as root, stem, leaf, stem segment, protoplast), tissue or cell of a plant into a culture medium under artificially created sterile conditions, and placing the culture medium in a suitable environment for continuous culture to obtain the cell, tissue or plant individual. The technology is widely applied to agriculture and biological and medical research. The tissue culture material is preferably taken from organs such as stem tips, tooth tips and the like which have high division capacity and grow soon, and is preferably taken from inner layer tissue cells of the organs such as the stem tips, the tooth tips and the like, because the inner layer tissue cells have small chance of being infected with viruses, and the cultured tissue culture seedlings do not carry the viruses and are suitable for large-scale subculture.

At present, when experimenters take organs such as stem tips and tooth tips, the surgical knife is mainly adopted, but the tail end of the surgical knife is a blade in essence, and the blade is sharp and easy to slice, but the blade is too thin and has strong toughness, so that the blade is easy to bend in the process of cutting hard rhizomes, and the cutting process of the hard rhizomes is influenced. Meanwhile, the blades cannot effectively strip the meat fibers, and the intercepting range and position of experimenters are limited.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art not enough, the utility model aims to provide a group banks up with earth and uses experiment handle of a knife, the sword neck through this handle of a knife can cup joint with the tool bit of difference to it is single to solve the tool bit that current scalpel exists, needs to be equipped with simultaneously many cutters can accomplish the problem of work such as chopping, section and peeling off to the plant rhizome.

The purpose of the utility model is realized by adopting the following technical scheme:

an experimental knife handle for tissue culture comprises a knife handle body, a knife neck and a knife head detaching piece, wherein the knife neck is arranged at the top end of the knife handle body;

when the sliding block slides to one end of the sliding groove, which is close to the cutter neck, the cutter head push rod is flush with the cutter neck or extends out of the cutter neck.

Furthermore, the experimental knife handle for tissue culture further comprises a first return spring, one end of the first return spring is connected with the tail end of the sliding groove, and the other end of the first return spring is connected with the sliding block;

when the cutter head push rod is flush with the cutter neck or extends out of the cutter neck, the first return spring is in a stretching state.

Further, the cross section of the knife neck is square, round or oval.

Furthermore, the cross section of the cutter neck is circular, and the diameter of the circle decreases progressively along the direction of the top end of the cutter neck.

Furthermore, the top end of the cutter head push rod is provided with an annular abutting part, and the annular abutting part is wound on the outer side surface of the cutter neck;

when the sliding block slides along the sliding groove, the annular abutting part slides relative to the cutter neck.

Furthermore, the experimental knife handle for tissue culture also comprises a second return spring, one end of the second return spring is connected with one end of the sliding groove, which is close to the knife neck, and the other end of the second return spring is connected with the sliding block;

when the cutter head push rod is flush with the cutter neck or extends out of the cutter neck, the second return spring is in a compressed state.

Furthermore, the slider is provided with arc-shaped anti-slip stripes with openings back to the knife neck, and the knife handle body is provided with arc-shaped anti-slip stripes with openings facing the knife neck.

Furthermore, a temperature detector and a display are also arranged on the cutter handle body;

the temperature detector is used for detecting the air temperature in the experimental environment, and the display is used for displaying the temperature value detected by the temperature detector.

Furthermore, the tail end of the knife handle body is also provided with a hanging hole.

Furthermore, an electronic timer is further arranged on the knife handle body and used for displaying time;

when the set time is reached, the electronic timer sounds a "drip".

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

the utility model relates to a group banks up with experiment handle of a knife with earth, including handle of a knife body, the sword neck and the tool bit of locating handle of a knife body top take off and unload the piece, the tool bit shirks the piece and includes slider and the tool bit push rod of being connected with the slider, is equipped with the spout of holding slider along the axial on the handle of a knife, thereby can drive the tool bit push rod along endwise slip in the spout through the slider. The cutter head push rod extends to the cutter neck and is pasted on the outer surface of the cutter neck, and therefore when the cutter head push rod slides along the axial direction, the cutter head push rod moves axially relative to the cutter neck at the outer surface of the cutter neck, and the function of detaching the cutter head sleeved at the cutter neck is achieved. When the slider slides to the spout be close to sword neck one end, the limiting displacement restriction tool bit push rod of spout further slides to sword neck one side, at this moment, outside tool bit push rod and sword neck parallel and level or stretch out the sword neck, ensured that the tool bit push rod will shirk from sword neck with the tool bit that the sword neck cup jointed, this group of being convenient for banks up carries out the tool bit with experimental handle of a knife and changes, practiced thrift and carried out sterile time to each tool bit, satisfied the demand to multiple tool bit in the experimentation moreover.

Drawings

FIG. 1 is a schematic front view of an experimental knife handle for tissue culture according to an embodiment of the present invention;

FIG. 2 is a schematic view of the back structure of the experimental knife handle for tissue culture shown in FIG. 1;

FIG. 3 is a schematic view of the disassembly of the experimental knife handle for tissue culture shown in FIG. 1;

FIG. 4 is a schematic view of the chopper;

FIG. 5 is a schematic view of three types of cutting heads;

fig. 6 is a schematic view of three types of cutter heads according to another embodiment.

In the figure: 10. a knife handle body; 11. a chute; 12. a first return spring; 13. a second return spring; 14. a temperature detector; 15. a display; 16. a hanging hole; 17. an electronic timer; 20. a cutter neck; 30. the cutter head takes off the piece; 31. a slider; 311. a first arc-shaped anti-slip stripe; 312. a second arc-shaped anti-slip stripe; 32. a cutter head push rod; 321. an annular abutment; 40. a cutter head; 41. a socket joint part; 42. and (4) a groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Example 1

As shown in figure 1, it is an embodiment of the utility model of an experimental knife handle for tissue culture. The experimental knife handle for tissue culture comprises a knife handle body 10, a knife neck 20 arranged at the top end of the knife handle body 10 and a knife head detaching piece 30, wherein the knife head detaching piece 30 comprises a sliding block 31 and a knife head push rod 32 connected with the sliding block 31. In the present embodiment, the slider 31 is integrally formed with the bit push rod 32. In other embodiments, the sliding block 31 and the bit push rod 32 can be in a snap fit or other connection mode. The tool holder body 10 is provided with a slide groove 11 for accommodating the slide block 31 in the axial direction, so that the slide block 31 can slide in the axial direction (i.e., slide in the left-right direction) along the slide groove 11. In this embodiment, as shown in fig. 3, two side edges of the sliding slot 11 are provided with clasping clamp structures extending toward the middle of the sliding slot 11, the bottom of the sliding block 31 is correspondingly provided with a pair of locking tongues, the pair of locking tongues is inserted into the sliding slot 11, and the distance between the tail ends of the pair of locking tongues is greater than the distance between the clasping clamps at two sides. Thus, the pair of locking tongues is locked into the slide groove 11 by the pair of claspers, and the slide block 31 can only slide axially relative to the slide groove 11 and cannot be separated from the slide groove 11. The bit push rod 32 extends to the cutter neck 20 and is applied to the outer surface of the cutter neck 20. From this, when slider 31 is the endwise slip for spout 11, drive tool bit push rod 32 and be the endwise motion along handle of a knife body 10 (be for the axial motion of sword neck 20 promptly), when slider 31 slides to the leftmost end of spout 11, at this moment, slider 31 can't continue to slide to the left side, tool bit push rod 32 and the leftmost end parallel and level of sword neck 20, therefore, guaranteed to shirk from sword neck 20 completely with the tool bit 40 that sword neck 20 cup jointed, made things convenient for the experimenter to change tool bit 40, change after disinfecting through concentrating numerous tool bit 40, avoided the experimenter to disinfect (for example, burn through the alcohol burner) the loaded down with trivial details procedure to tool bit 40 alone, a large amount of time has also been practiced thrift. In other embodiments, when the slide block 31 slides to the leftmost end of the slide slot 11, the tool bit push rod 32 may also extend out of the tool neck 20, for example, the top end of the tool bit push rod 32 extends about 5mm out of the tool neck 20, and the tool bit 40 can be completely detached from the tool neck 20.

As a preferred embodiment, as shown in fig. 1, the tissue culture experiment knife handle further comprises a first return spring 12, the right end of the first return spring 12 is connected with the right end of the sliding chute 11, the left end of the first return spring 12 is connected with the sliding block 31, and in this embodiment, the left end of the first return spring 12 hooks the sliding block 31. When the first return spring 12 is in a normal state, the sliding block 31 is in the middle position of the sliding chute 11 or in a position that the middle is inclined to the right, and at this time, the leftmost end of the cutter head push rod 32 is in the middle position of the cutter neck 20 (not exceeding the top end of the cutter neck 20), so that the sleeve connection of the cutter head 40 with the cutter neck 20 is not affected. When the sliding block 31 slides to the leftmost end of the sliding chute 11 along the sliding chute 11, at this time, the first return spring 12 is in a stretched state, and the cutter head push rod 32 is flush with the cutter neck 20, so that the cutter head 40 sleeved on the cutter neck 20 is pushed leftwards, and the cutter head 40 is disconnected from the cutter neck 20. When the sliding block 31 or the cutter head push rod 32 is released, the cutter head push rod 32 is restored to the original position (i.e. the middle position of the cutter neck 20, see the position of the cutter head push rod 32 in fig. 1) under the tension of the first return spring 12, so as to facilitate the next step of sleeving the cutter head 40.

In a preferred embodiment, as shown in fig. 3-5, the cross section of the cutter neck 20 is circular, the cutter head 40 is sleeved on the cutter neck 20 which is cylindrical, the cutter head 40 is provided with a sleeved portion 41, and the bottom of the sleeved portion 41 is provided with a groove 42 for sleeving the cutter neck 20. In use, the cylindrical top end of the tool neck 20 is inserted into the groove 42 of the tool bit 40, thereby achieving the socket connection between the tool neck 20 and the tool bit 40.

In a preferred embodiment, as shown in fig. 3, the cross-section of the cutter neck 20 is circular, and the diameter of the circular cross-section decreases from the right end to the left end of the cutter neck 20. Therefore, when the tool neck 20 is inserted into the groove 42 of the tool bit 40, the diameter of the leftmost end of the tool neck 20 is small, so that the tool neck is easily inserted into the groove 42 of the tool bit 40, and as the top end of the tool neck 20 gradually enters the groove 42 of the tool bit 40, the middle section and the right end of the tool neck 20 are also inserted into the groove 42 of the tool bit 40, and the middle section and the right end of the tool neck 20 have a larger diameter in cross section than the left end of the tool neck 20, and at this time, the tool neck 20 is locked by the groove 42 of the tool bit 40. On the one hand, the cutter neck 20 can conveniently extend into the groove 42 of the cutter head 40 through the left end with the smaller diameter, and on the other hand, the cutter head 40 can be fixed through the middle section or the right end position of the cutter neck 20 with the larger diameter, so that the cutter head 40 is prevented from falling.

In a preferred embodiment, as shown in fig. 2, the tip end of the bit push rod 32 is provided with an annular contact portion 321, and the annular contact portion 321 is wound around the outer side surface of the tool neck 20. The annular abutting part 321 is wound around the cutter neck 20, so that the top end of the cutter head push rod 32 is prevented from deviating from the cutter neck 20, and the cutter head push rod 32 is ensured to be always attached to the surface of the cutter neck 20 (including the position close to the cutter neck 20). When the slide block 31 axially slides along the slide slot 11, the annular abutting portion 321 slides relative to the cutter neck 20, and the cutter head 40 is pushed out (i.e. the cutter head 40 is detached from the cutter neck 20) through the annular abutting portion 321, so that the stress is more uniform, and the detaching process of the cutter head 40 is easier and more labor-saving.

As a preferred embodiment, as shown in fig. 1-2, the slider 31 is provided with a first arc-shaped anti-slip strip 311 with an opening facing away from the tool neck 20, and when the slider 31 is pushed to the left, the arc-shaped strip provided on the slider 31 has an opening direction opposite to the pushing direction, so that the contact surface of the slider 31 has a larger friction coefficient, and the user can push the slider 31 to the tool neck 20 side (i.e. the process of detaching the tool tip 40) conveniently. Similarly, the second arc-shaped anti-slip stripe 312 with the opening facing the tool neck 20 is disposed on the tool holder body 10. Therefore, the second arc-shaped anti-slip stripes 312 arranged on the knife handle body 10 can better stabilize the knife handle body 10, so that the sliding block 31 can slide relative to the knife handle body 10 conveniently.

In a preferred embodiment, as shown in fig. 1-2, the tool holder body 10 is further provided with a temperature detector 14 and a display 15. Wherein, the temperature detector 14 extends from the tool shank body 10 and is used for detecting the air temperature in the experimental environment. Because this group banks up with earth with experiment handle of a knife when using 20 one side of sword neck is close to the alcohol burner usually, through extending to thermodetector 14 in the air from handle of a knife body 10, the heat of avoidance alcohol burner that can be fine is to thermodetector 14's influence for thermodetector 14 can be more sensitive detect out the true temperature of air. Display 15 is used for showing the temperature value that thermodetector 14 detected, and the real-time air temperature under the monitoring operational environment of person of facilitating the use to adjust and control operational environment, increase the survival rate or the germination rate of group's tissue.

In a preferred embodiment, as shown in fig. 1, the distal end of the tool shank body 10 is further provided with a hanging hole 16. Therefore, in the experimental operation process, when the user needs to lay the experimental knife handle for tissue culture midway, the experimental knife handle for tissue culture (including the knife head 40) can be suspended in the air through the suspension hole 16, the user can conveniently take the knife handle back and forth, and the situation that the experimental knife handle for tissue culture is placed on the table board (the experimental table board cannot be kept clean usually, such as plant skins or other plant strippers are accumulated on or fall on the experimental table board to cause pollution) and the experimental knife handle for tissue culture needs to be repeatedly sterilized is avoided.

As a preferred embodiment, as shown in fig. 2, the tool holder body 10 is further provided with an electronic timer 17, and the electronic timer 17 is used for displaying time. Therefore, the experimenter can know the time of the experiment more clearly when the experiment is carried out, and the pollution probability increased when the experimenter repeatedly turns over the watch (or the mobile phone and other instruments with the timing function) is avoided. In a specific embodiment, the electronic timer 17 further has a function of an alarm clock, when the experimenter sets a certain time, for example, the stripped plant vascular bundle tissue is sterilized for 5min, and when the treatment time reaches 5min, the electronic timer 17 can send out a 'dripping' sound to remind the experimenter that the treatment time is up, so that the experimenter can conveniently control the time, and the problem that the tissue cannot germinate into callus due to the fact that the treatment time is not enough to cause pollution or the treatment time is too long is avoided.

Example 2

Example 2 differs from example 1 in that: as shown in fig. 3, the experimental knife handle for tissue culture comprises a second return spring 13, the second return spring 13 replaces the first return spring 12 in embodiment 1, the left end of the second return spring 13 props against the left end of the chute 11, and the right end of the second return spring 13 props against the sliding block 31. When the second return spring 13 is in a normal state, the sliding block 31 is in the middle position or the position deviated to the right of the sliding chute 11, and at the moment, the rightmost end of the cutter head push rod 32 is in the middle section or the right end position of the cutter neck 20, so that the sleeve connection of the cutter head 40 with the cutter neck 20 is not influenced; when the sliding block 31 slides to the leftmost end of the sliding chute 11 along the sliding chute 11, at this time, the second return spring 13 is in a compressed state, and the cutter head push rod 32 is flush with the cutter neck 20, so that the sleeved cutter head 40 is pushed out to the right side, and the cutter head 40 is disconnected from the cutter neck 20. When the sliding block 31 or the cutter head push rod 32 is released, the cutter head push rod 32 is restored to the original position (the middle section or the right end position of the cutter neck 20) under the pressing action of the second return spring 13, so that the cutter head 40 can be sleeved in the next step.

Example 3

Example 3 differs from example 1 in that: as shown in FIG. 6, the cross section of the cutting neck 20 is square or oval, and the cross section of the groove 42 of the cutting head 40 is also square or oval, which also has the function of sleeving the cutting neck 20 and the cutting head 40.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An experimental knife handle for tissue culture is characterized by comprising a knife handle body, a knife neck and a knife head detaching piece, wherein the knife neck is arranged at the top end of the knife handle body;

2. The experimental knife handle for tissue culture as claimed in claim 1, characterized in that the experimental knife handle for tissue culture further comprises a first return spring, one end of the first return spring is connected with the tail end of the sliding groove, and the other end of the first return spring is connected with the sliding block;

3. The experimental knife handle for tissue culture as claimed in claim 2, wherein the cross section of the knife neck is square, round or oval.

4. The experimental knife handle for tissue culture as claimed in claim 3, wherein the cross section of the knife neck is circular, and the diameter of the circle decreases progressively along the direction of the top end of the knife neck.

5. The tissue culture experiment knife handle according to claim 4, wherein the top end of the knife head push rod is provided with an annular abutting part, and the annular abutting part is wound on the outer side surface of the knife neck;

6. The experimental knife handle for tissue culture as claimed in claim 1, further comprising a second return spring, wherein one end of the second return spring is connected with one end of the sliding groove close to the knife neck, and the other end of the second return spring is connected with the sliding block;

7. The tissue culture experiment knife handle according to any one of claims 1 to 6, wherein the slide block is provided with arc-shaped anti-slip stripes with openings back to the knife neck, and the knife handle body is provided with arc-shaped anti-slip stripes with openings facing the knife neck.

8. The experimental knife handle for tissue culture of claim 7, wherein the knife handle body is further provided with a temperature detector and a display;

9. The experimental knife handle for tissue culture as claimed in claim 8, wherein the tail end of the knife handle body is further provided with a hanging hole.

10. The experimental knife handle for tissue culture of claim 9, wherein the knife handle body is further provided with an electronic timer, and the electronic timer is used for displaying time;

when the set time is reached, the electronic timer sounds a "drip".