CN214724846U - Disposable simple agar plate puncher and matched storage box - Google Patents
Disposable simple agar plate puncher and matched storage box Download PDFInfo
- Publication number
- CN214724846U CN214724846U CN202121000383.4U CN202121000383U CN214724846U CN 214724846 U CN214724846 U CN 214724846U CN 202121000383 U CN202121000383 U CN 202121000383U CN 214724846 U CN214724846 U CN 214724846U
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- perforated pipe
- puncher
- agar plate
- pollution
- push
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Abstract
The utility model provides a disposable simple agar plate puncher and a matched storage box, wherein the puncher comprises a perforated pipe, an anti-pollution baffle and a handheld sheet; the perforated pipe is of a cone-shaped body structure with an opening at one side; the anti-pollution baffle is fixed on the outer wall of the perforated pipe in a disc shape; the handheld piece is in a disc shape and is positioned at the top end of the perforated pipe. The utility model adopts polypropylene material, has low price, and can directly carry out high-temperature and high-pressure steam sterilization; as a disposable puncher, the replacement is convenient, and burning and cooling steps are not needed. The reverse conical single-end closed design of the puncher is convenient to operate and avoids pollution caused by air circulation in the perforated pipe. Due to the design of the annular anti-pollution baffle, microorganisms on hands can be prevented from falling onto the agar plate in the operation process, and the pollution rate is reduced. The top end of the perforating pipe is designed to be provided with a circular handheld piece, so that the force of fingers can be conveniently applied during perforating.
Description
Technical Field
The utility model relates to a hole puncher technical field especially relates to disposable simple and easy agar plate hole puncher and supporting storage box.
Background
In the study of biological properties of fungi such as edible fungi, it is often necessary to remove a circular mass of fungi of a predetermined size from an agar plate and use the mass for experiments such as measurement of the growth rate of hyphae and conditions suitable for the growth of hyphae. The puncher can well cut regular circular fungus blocks with the same size from the agar plate, and the consistency of the size and the specification of the fungus blocks is ensured. The conventionally used puncher is usually made of metal, needs to be repeatedly fired and cooled, is complicated to operate and is easy to cause cross contamination; the existing disposable puncher also has the defects of complex design, high price, insufficient use convenience and the like.
The first prior art is as follows: the microbial agar perforator used in the laboratory at present mainly comprises a perforating pipe and a handle: the perforated pipe is a cold-drawn seamless steel pipe with the wall thickness of 1mm, the outer diameter of the perforated pipe can be selected to be different in size such as 6mm, 8mm or 10mm according to the experimental requirement, and the inclination of the cutting edge of the perforated pipe is about 90 degrees; the handle is made of a low carbon steel plate with the thickness of 3mm and the like.
The first prior art has the following defects:
1. the puncher is made of metal, a series of processes such as flame ignition, cooling and the like are needed when the puncher is used, and the inner wall of the puncher is long and narrow and transparent, so that sundry bacteria on the upper arm can easily fall off due to insufficient ignition, and pollution is caused; the fingers of the operator are often scalded due to burning and overheating; there may also be incomplete cooling, scalding, and scalding of the hypha culture to be inoculated.
2. Because the perforation inoculation experiment usually involves a plurality of agar plates, a plurality of species can be used for carrying out the experiment at the same time; when replacing agar plates or microorganism species, the puncher needs to be fired repeatedly; this not only consumes a lot of time, but also is very prone to cross contamination.
The second prior art is: there is also a commercially available disposable gel punch made of plastic PP (polypropylene) material, which is hollow in the body, houses a punch head with a sharp peripheral edge and a catapult, usually in separate sterile packaging, and can be used once or repeatedly after autoclaving.
The second prior art has the following defects:
1. the puncher is made of plastic materials and can be used for one time; but the structure is complex, the price is high, the using process is relatively troublesome, and the mass popularization is difficult;
2. the hole puncher is also of a hollow design, and the operation process is easy to cause pollution due to air circulation of the inner wall.
3. The hole puncher is usually an independent package, the package needs to be torn repeatedly in the using process, the steps are complicated, and the hole puncher is not suitable for large-batch and multi-type punching experiments.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems that the existing metal puncher needs to be repeatedly fired and cooled, is complex to operate and is easy to cross-pollute; the existing PP material puncher has the problems of complex design, high price, troublesome use and difficulty in popularization in large-batch and multi-type punching experiments; the existing hole puncher usually adopts a hollow straight-tube design, so that the condition that other microorganisms fall off from the inner wall and hands of the hole puncher to pollute a flat plate is difficult to avoid. The existing puncher is usually packaged independently, is not fixed by a proper storage box, and is relatively troublesome in taking and the like. The utility model discloses innovation in the design from hole puncher material, appearance design, supporting storage box to solve the defect of current hole puncher.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the disposable simple agar plate puncher comprises a perforating pipe, an anti-pollution baffle and a handheld sheet; the perforated pipe is of a cone-shaped body structure with an opening at one side; the anti-pollution baffle is fixed on the outer wall of the perforated pipe in a disc shape; the handheld piece is in a disc shape and is positioned at the top end of the perforated pipe.
As a further description of the above technical solution:
the perforated pipe is 85mm in length of the upper half part of the cone shape, 15mm in length of the lower half part of the straight cylinder shape, and the diameter of the opening of the perforated pipe is 9 mm.
As a further description of the above technical solution:
the anti-pollution baffle is fixed at a position 30mm away from the opening of the perforated pipe, and the diameter of the anti-pollution baffle is 16 mm.
As a further description of the above technical solution:
the diameter of the handheld piece is 6 mm.
As a further description of the above technical solution:
the puncher is made of polypropylene (PP) materials.
The utility model provides a supporting storage box, includes plug-type lid and box body, install the mounting bracket in the box body, be equipped with a plurality of places that are used for the aforesaid on the mounting bracket the circular recess in area of hole puncher.
As a further description of the above technical solution:
the storage box is made of polypropylene (PP) materials and is cuboid.
As a further description of the above technical solution:
the length of the push-pull type box cover is 125mm, the width of the push-pull type box cover is 85mm, the thickness of the push-pull type box cover is 2mm, an embedded bayonet is arranged at the center of the push-pull type box cover, and the length of the embedded bayonet is 10mm, the width of the embedded bayonet is 40mm, and the invagination depth of the embedded bayonet is 1 mm.
As a further description of the above technical solution:
the box body is 125mm long, 87mm wide and 110mm high; sliding rails are arranged at the positions 5mm away from the two long edges at the upper end of the box body; the sliding track protrudes inwards by 1mm from the box wall, and the thickness of the sliding track is 1 mm; two gaps with the same height as the long-edge track are respectively arranged at the positions 5mm away from the two short edges at the upper end of the box body; a1 mm wide mounting rack clamping groove extends from inside to outside from 93mm inside the box body to be used for mounting a mounting rack.
As a further description of the above technical solution:
the mounting rack is detachable, and the mounting rack is 123mm long, 83mm wide and 1mm thick; 24 circular grooves with the same size are distributed on the upper surface of the mounting rack; the outer diameter of the circular groove is 17mm, the inner diameter of the circular groove is 10mm, and the concave depth of the circular groove is 2 mm.
The utility model discloses following beneficial effect has:
1. the utility model adopts the polypropylene material with strong high temperature and high pressure tolerance and difficult deformation, is suitable for batch production and has low price; the special storage box can be directly used for high-pressure steam sterilization, the experimental operation process can be quickly taken and replaced according to the requirements, the steps of repeated firing, cooling and the like are omitted, the operation time is saved, and the condition of cross contamination is avoided.
2. The inverted cone shape and the single opening design of the puncher can increase the operation comfort, reduce the air circulation in the perforated pipe and avoid the contamination of bacteria blocks caused by the mixed bacteria passing through the inner wall of the perforated pipe; an annular anti-pollution baffle is designed on the pipe wall of the perforated pipe, so that microorganisms on hands can be prevented from falling onto an agar plate in the operation process, and the pollution rate is reduced; the top end of the perforated pipe relates to a circular ring-shaped handheld piece, the junction of the handheld piece and the perforated pipe is clamped by the index finger and the middle finger during use, the thumb is pushed against the handheld piece, force is exerted when punching is facilitated, the purpose of taking and using can be achieved, and extra auxiliary equipment is not needed.
3. The puncher of the utility model has no complex parts, can be molded by adopting a mold, reduces the manufacturing procedures and can greatly reduce the production cost; the matched storage box is also made of cheap polypropylene material, can be directly used for high-pressure steam sterilization and can be repeatedly used.
4. The utility model relates to a storage box of a puncher, which adopts a groove-type mounting rack, can effectively fix the position of the puncher in the box and avoid the scattering of the puncher; the adopted push-pull type box cover can well control the number of the punches exposed outside and reduce the pollution probability.
Drawings
FIG. 1 is a schematic structural view of a disposable simple agar plate puncher provided by the present invention;
fig. 2 is a schematic structural view of a storage box according to the present invention.
The attached drawings are marked as follows: 1-hand-held piece; 2-perforating the tube; 3-anti-pollution baffle plate; 4-push-pull box cover; 5, embedding a bayonet; 6-circular groove, 7-mounting rack, 8-box body and 9-mounting rack clamping groove.
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.
Example 1
As shown in fig. 1, the disposable simple agar plate puncher is made of polypropylene (PP) material, is in a reversed high-foot cup shape and comprises a perforated pipe 2, an anti-pollution baffle 3 and a handheld sheet 1; the structure of the conical body with the opening at one side of the perforated pipe 2 is characterized in that the length of the upper conical part of the perforated pipe 2 is 85mm, the length of the lower straight cylindrical part of the perforated pipe 2 is 15mm, and the diameter of the opening is 9 mm; the anti-pollution baffle 3 is fixed on the outer wall of the perforated pipe 2 in a disc shape at a position 30mm away from the opening of the perforated pipe, and the diameter of the anti-pollution baffle is 16 mm; the hand-held piece 1 is positioned at the top end of the perforated pipe, is in a disc shape and has a diameter of 6 mm.
The utility model adopts the polypropylene material with strong high temperature and high pressure tolerance and difficult deformation, is suitable for batch production and has low price; the special storage box can be directly used for high-pressure steam sterilization, the experimental operation process can be quickly taken and replaced according to the requirements, the steps of repeated firing, cooling and the like are omitted, the operation time is saved, and the condition of cross contamination is avoided.
The inverted cone shape and the single opening design of the puncher can increase the operation comfort, reduce the air circulation in the perforated pipe and avoid the contamination of bacteria blocks caused by the mixed bacteria passing through the inner wall of the perforated pipe; an annular anti-pollution baffle is designed on the pipe wall of the perforated pipe 2, so that microorganisms on hands can be prevented from falling onto an agar plate in the operation process, and the pollution rate is reduced; the top end of the perforated pipe 2 relates to the circular ring-shaped handheld piece 1, the junction of the handheld piece and the perforated pipe is clamped by the index finger and the middle finger during use, the thumb is pushed against the handheld piece 1, force is exerted when punching is facilitated, and the handheld piece can be used immediately without additional auxiliary equipment.
The puncher of the utility model has no complex parts, can be molded by adopting a mold, reduces the manufacturing procedures and can greatly reduce the production cost; the matched storage box is also made of cheap polypropylene material, can be directly used for high-pressure steam sterilization and can be repeatedly used.
Example 2
As shown in fig. 2, a matching storage box comprises a push-pull box cover 4 and a box body 8, wherein a mounting frame 7 is installed in the box body 8, and a plurality of circular grooves 6 for placing the puncher are arranged on the mounting frame 7; the storage box is made of polypropylene (PP) and is cuboid; the length of the push-pull box cover 4 is 125mm, the width of the push-pull box cover is 85mm, the thickness of the push-pull box cover is 2mm, an embedded bayonet is arranged at the center of the push-pull box cover 4, and the embedded bayonet 5 is 10mm in length, 40mm in width and 1mm in invagination depth; the box body 8 is 125mm long, 87mm wide and 110mm high; sliding rails are arranged at the positions 5mm away from the two long edges at the upper end of the box body 8; the sliding track protrudes inwards by 1mm from the box wall, and the thickness of the sliding track is 1 mm; two gaps with the same height as the long-edge track are respectively arranged at the positions 5mm away from the two short edges at the upper end of the box body 8; a mounting rack clamping groove 9 with the width of 1mm extends from inside to outside at the position of 93mm in the box body 8, so that the mounting rack 7 can be mounted; the mounting rack 7 is detachable, and has the length of 123mm, the width of 83mm and the thickness of 1 mm; 24 circular grooves 6 with the same size are distributed on the upper surface of the mounting rack 7; the outer diameter of the circular groove 6 is 17mm, the inner diameter of the circular groove is 10mm, and the concave depth of the circular groove is 2 mm.
The utility model relates to a storage box of a puncher, which adopts a groove type mounting rack 7, can effectively fix the position of the puncher in the box and avoid the scattering of the puncher; the adopted push-pull type box cover can well control the number of the punches exposed outside and reduce the pollution probability.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (10)
1. The disposable simple agar plate puncher is characterized by comprising a perforating pipe, an anti-pollution baffle and a handheld sheet; the perforated pipe is of a cone-shaped body structure with an opening at one side; the anti-pollution baffle is fixed on the outer wall of the perforated pipe in a disc shape; the handheld piece is in a disc shape and is positioned at the top end of the perforated pipe.
2. The simple disposable agar plate punch as claimed in claim 1, wherein the upper part of the perforated pipe in the shape of a cone has a length of 85mm, the lower part of the perforated pipe in the shape of a straight cylinder has a length of 15mm, and the diameter of the opening of the perforated pipe is 9 mm.
3. The disposable simple agar plate punch according to claim 1, wherein the contamination prevention baffle is fixed at a distance of 30mm from the opening of the perforated tube and has a diameter of 16 mm.
4. The disposable simple agar plate punch of claim 1, wherein the handheld plate has a diameter of 6 mm.
5. The disposable simple agar plate punch of claim 1, wherein the punch is made of polypropylene (PP).
6. A matched storage box is characterized by comprising a push-pull box cover and a box body, wherein a mounting frame is installed in the box body, and a plurality of circular grooves for placing the hole puncher as claimed in any one of claims 1-5 are formed in the mounting frame.
7. The kit as claimed in claim 6, wherein the storage box is made of polypropylene (PP) and has a rectangular parallelepiped shape.
8. The matched storage box of claim 6, wherein the length of the push-pull box cover is 125mm, the width of the push-pull box cover is 85mm, the thickness of the push-pull box cover is 2mm, an embedded bayonet is arranged at the center of the push-pull box cover, and the embedded bayonet is 10mm in length, 40mm in width and 1mm in depth.
9. The kit of claim 6, wherein the box body has a length of 125mm, a width of 87mm, and a height of 110 mm; sliding rails are arranged at the positions 5mm away from the two long edges at the upper end of the box body; the sliding track protrudes inwards by 1mm from the box wall, and the thickness of the sliding track is 1 mm; two gaps with the same height as the long-edge track are respectively arranged at the positions 5mm away from the two short edges at the upper end of the box body; a1 mm wide mounting rack clamping groove extends from inside to outside from 93mm inside the box body to be used for mounting a mounting rack.
10. The kit of claim 6, wherein the mounting rack is removable and has a length of 123mm, a width of 83mm, and a thickness of 1 mm; 24 circular grooves with the same size are distributed on the upper surface of the mounting rack; the outer diameter of the circular groove is 17mm, the inner diameter of the circular groove is 10mm, and the concave depth of the circular groove is 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121000383.4U CN214724846U (en) | 2021-05-12 | 2021-05-12 | Disposable simple agar plate puncher and matched storage box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121000383.4U CN214724846U (en) | 2021-05-12 | 2021-05-12 | Disposable simple agar plate puncher and matched storage box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214724846U true CN214724846U (en) | 2021-11-16 |
Family
ID=78620713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121000383.4U Expired - Fee Related CN214724846U (en) | 2021-05-12 | 2021-05-12 | Disposable simple agar plate puncher and matched storage box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214724846U (en) |
-
2021
- 2021-05-12 CN CN202121000383.4U patent/CN214724846U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |