CN207911827U - A kind of culture dish sealed membrane perforator - Google Patents
A kind of culture dish sealed membrane perforator Download PDFInfo
- Publication number
- CN207911827U CN207911827U CN201820202171.6U CN201820202171U CN207911827U CN 207911827 U CN207911827 U CN 207911827U CN 201820202171 U CN201820202171 U CN 201820202171U CN 207911827 U CN207911827 U CN 207911827U
- Authority
- CN
- China
- Prior art keywords
- pressure plate
- sealed membrane
- culture dish
- movable plate
- syringe needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a kind of culture dish sealed membrane perforators, including pressure plate, movable plate and syringe needle, the pressure plate, movable plate are the disc to match with culture dish opening, pin hole and the first elastic component are equipped in the pressure plate, the syringe needle slides in the pin hole, first elastic component pushes up the syringe needle, and the movable plate slidable connection is above the pressure plate.Pressure plate is close to sealed membrane, and sealed membrane is made to be in tight state, prevents bundle hole process from scratching sealed membrane.
Description
Technical field
The utility model is related to perforator technical field, more particularly to a kind of culture dish sealed membrane perforator.
Background technology
In the growth cycle of Germicidal efficacy insect, needs to catch insect to catch in culture dish and individually raise, insect is caught
The sealed membrane in the vent cover of culture dish is caught after culture dish, no less than 40 ventilations are finally uniformly pricked on sealed membrane
Hole.Since experiment needs to observe a large amount of sample, it is therefore desirable to which a large amount of culture dish needs on the sealed membrane of each culture dish
Prick no less than 40 uniform airport.Currently without the equipment for this is solved the problems, such as, experimenter is armrest
Work carries out bundle hole one by one, since human hand can be shaken, is easy to scratch sealed membrane when pricking, and the sealed membrane after scratching is only
It can replace.
Invention content
For the above-mentioned prior art, the technical problem to be solved by the present invention is to provide a kind of culture dish sealed membrane bundles
Hole device can disposably prick out a large amount of hole, and sealed membrane scratches when preventing from pricking hole.
A kind of culture dish sealed membrane perforator, including pressure plate, movable plate and syringe needle, the pressure plate, movable plate are
The disc to match with culture dish opening, the pressure plate is interior to be equipped with pin hole and the first elastic component, and the syringe needle is in the needle
It is slided in hole, first elastic component pushes up the syringe needle, and the movable plate slidable connection is on the pressure plate
Side.
Further, the pressure plate lower surface is arc, and the pin hole is vertical with the lower surface section of the pressure plate.
Further, the pressure plate upper surface and the movable plate lower surface are plane, and the needle length is identical.
Further, it is set to handle above the movable plate.
Further, further include connecting cylinder, the pressure plate is fixedly connected with the connecting cylinder, the movable plate with it is described
Connecting cylinder slidable connection, the connecting cylinder are equipped with the spacing ring for preventing movable plate to be disconnected cylinder.
Further, the second elastic component is equipped between the movable plate and pressure plate, second elastic component is by the work
Movable plate pushes away the pressure plate.
Further, the pressure plate lower surface is equipped with annular indent, and the annular indent matches with culture dish opening.
The beneficial effects of the utility model are：Pressure plate, movable plate are the disc to match with culture dish opening,
Pressure plate is close to that sealed membrane is made to be in tight state with sealed membrane, pricked again after sealed membrane is tightened hole can effectively prevent due to
The syringe needle that sealed membrane deformation generates during bundle hole is subjected to displacement with respect to sealed membrane, prevents from pricking hole process syringe needle by sealed membrane stroke
It is broken.Syringe needle is hidden in the pin hole of pressure plate in its natural state, and syringe needle will seal when can avoid card punch being aligned culture dish
Film punctures.When movable plate is pressed downward, movable plate pushes syringe needle movement, syringe needle to escape to outside pin hole and puncture sealed membrane, pricks
Movable plate is moved up after hole, syringe needle is retracted automatically under the action of the first spring, convenient to prick hole next time.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only the preferred reality of the utility model
Example is applied, it for those of ordinary skill in the art, without having to pay creative labor, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model；
In figure, 1 pressure plate, 2 movable plates, 3 syringe needles, 4 pin holes, 5 first elastic components, 6 handles, 7 connecting cylinders, 8 spacing rings, 9
Second elastic component, 10 annular indents.
Specific implementation mode
In order to be best understood from the utility model technology contents, specific embodiment is provided below, and in conjunction with attached drawing to this practicality
It is novel to be described further.
Embodiment 1
Referring to Fig. 1 to 2, a kind of culture dish sealed membrane perforator, including pressure plate 1, movable plate 2 and syringe needle 3, the compression
Plate 1, movable plate 2 are the disc to match with culture dish opening, and pin hole 4 and the first elastic component are equipped in the pressure plate 1
5, the syringe needle 3 sliding, first elastic component 5 in the pin hole 4 push up the syringe needle 3, and the movable plate 2 is set
Above the pressure plate 1 and with 1 slidable connection of the pressure plate.Pressure plate 1 is pressed on the sealed membrane of culture dish, is sealed
Membrana oralis deforms upon and is in the state tightened, and the tip of syringe needle 3 is located in pin hole 4, is another under the action of the first elastic component 5
End is exposed to the top of pressure plate 1, and movable plate 2, which moves downward, pushes syringe needle 3, and the tip of syringe needle 3 is exposed out of hole punctures sealed membrane.
Pressure plate 1 is in close contact with culture dish, and sealed membrane is in the state tightened during puncturing, and the tip of syringe needle 3 is not easy phase
To relative displacement occurs on the section direction of sealed membrane, sealed membrane is effectively prevent to scratch.
Specifically, 1 lower surface of the pressure plate is arc so that sealed membrane tightens the drawing that each position of rear sealed membrane is subject to
Clamp force is almost the same, can tighten sealed membrane as far as possible without pulling open, the pin hole 4 and the lower surface of the pressure plate 1 are cut
Face is vertical, and syringe needle 3 vertically punctures sealed membrane, is punctured on sealed membrane a little nearby respectively to stress balance, the distance punctured is most short, least
Sealed membrane is easily scratched into an openning.
Specifically, 1 upper surface of the pressure plate and 2 lower surface of the movable plate are plane, 3 length phase of the syringe needle
Together.Since the lower surface of pressure plate 1 is arc surface, and pin hole 4 is vertical with the arc surface section of pressure plate 1, what is be pressed downward
When movable plate 2 first contact with outermost syringe needle 3, finally contact with intermediate syringe needle 3, and pushed down on, therefore
The centre position of sealed membrane is punctured after first the outmost turns of sealed membrane are first punctured again.Reduce connecing for syringe needle 3 and sealed membrane when puncturing
Contacting surface product is big, and preventing sealed membrane deformation greatly causes syringe needle 3 to scratch sealed membrane with respect to sealed membrane displacement.The syringe needle 3 of equal length
It may be used interchangeably.
Specifically, 2 top of the movable plate is set to handle 6.It is punched convenient for hand-held hole punch.
Embodiment 2
Referring to Fig. 1 to 2, difference lies in further include connecting cylinder 7, the pressure plate 1 and institute to the present embodiment with embodiment 1
It states connecting cylinder 7 to be fixedly connected, plays the role of protection, prevent from entering grieshoch etc., the movable plate 2 can be slided with the connecting cylinder 7
Dynamic connection, easy to assembly, the connecting cylinder 7 is equipped with the spacing ring 8 for preventing movable plate 2 to be disconnected cylinder 7.Prevent movable plate 2
It is disconnected cylinder 7.It is conveniently operated in the lab.
Specifically, being equipped with the second elastic component 9 between the movable plate 2 and pressure plate 1, second elastic component 9 will be described
Movable plate 2 pushes away the pressure plate 1.It is conveniently operated, holds handle 6 and press card punch on culture dish, due to the second elastic component 9
Effect, when pressure plate 1 is pressed on sealed membrane movable plate 2 will not be pressed against plate 1 movement.Then it is pressed downward handle 6, with handle
The movable plate 2 that hand 6 connects pushes syringe needle 3 to puncture sealed membrane.Movable plate 2 can be under the action of the second elastic component 9 after punching
It automatically resets, preparation is punched next time.
Specifically, 1 lower surface of the pressure plate is equipped with annular indent 10, the annular indent 10 and culture dish opening phase
Match.The annular indent 10 of pressure plate 1 is pressed in the opening of culture dish, fixation, prevents pressure plate 1 from being slided with respect to culture dish
It is dynamic.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of culture dish sealed membrane perforator, which is characterized in that including pressure plate, movable plate and syringe needle, the pressure plate, work
Movable plate is the disc to match with culture dish opening, and pin hole and the first elastic component, the syringe needle are equipped in the pressure plate
It is slided in the pin hole, first elastic component pushes up the syringe needle, and the movable plate slidable connection is described
Above pressure plate.
2. a kind of culture dish sealed membrane perforator according to claim 1, which is characterized in that the pressure plate lower surface is
Arc, the pin hole are vertical with the lower surface section of the pressure plate.
3. a kind of culture dish sealed membrane perforator according to claim 2, which is characterized in that the pressure plate upper surface and
The movable plate lower surface is plane, and the needle length is identical.
4. a kind of culture dish sealed membrane perforator according to claim 1, which is characterized in that be set to above the movable plate
Handle.
5. a kind of culture dish sealed membrane perforator according to claim 1, which is characterized in that further include connecting cylinder, it is described
Pressure plate is fixedly connected with the connecting cylinder, and the movable plate and the connecting cylinder slidable connection, the connecting cylinder are equipped with
Movable plate is prevented to be disconnected the spacing ring of cylinder.
6. a kind of culture dish sealed membrane perforator according to claim 5, which is characterized in that the movable plate and pressure plate
Between be equipped with the second elastic component, the movable plate pushes away the pressure plate by second elastic component.
7. a kind of culture dish sealed membrane perforator according to claim 5, which is characterized in that the pressure plate lower surface is set
There are annular indent, the annular indent to match with culture dish opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820202171.6U CN207911827U (en) | 2018-02-06 | 2018-02-06 | A kind of culture dish sealed membrane perforator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820202171.6U CN207911827U (en) | 2018-02-06 | 2018-02-06 | A kind of culture dish sealed membrane perforator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207911827U true CN207911827U (en) | 2018-09-28 |
Family
ID=63603273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820202171.6U Expired - Fee Related CN207911827U (en) | 2018-02-06 | 2018-02-06 | A kind of culture dish sealed membrane perforator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207911827U (en) |
-
2018
- 2018-02-06 CN CN201820202171.6U patent/CN207911827U/en not_active Expired - Fee Related
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Legal Events
| 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: 20180928 Termination date: 20190206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |