CN208714152U - A kind of drug sensitive test simple punching device - Google Patents
A kind of drug sensitive test simple punching device Download PDFInfo
- Publication number
- CN208714152U CN208714152U CN201820752212.9U CN201820752212U CN208714152U CN 208714152 U CN208714152 U CN 208714152U CN 201820752212 U CN201820752212 U CN 201820752212U CN 208714152 U CN208714152 U CN 208714152U
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- China
- Prior art keywords
- perforated pipe
- punching device
- drug sensitive
- sensitive test
- simple punching
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Abstract
The utility model provides a kind of drug sensitive test simple punching device, including perforated pipe, perforated pipe is slidably fitted in the perforated pipe, the discharging piston that can slide up and down is installed from bottom to top in the perforated pipe, the push rod being connected with the discharging piston, the push rod upper end is set with guide collar, spring and shape for hat button, the counterbore greater than bore is equipped in the perforated pipe upper pipes, the outer ladder circle cylindricality for up-small and down-big diameter of pipe, one section of screw thread is provided in minor diameter outer circle or inner circle, a flange disk cover for being equipped with centre bore and earrings is threaded with by described, the longitudinal section of the shape for hat button is inverted " u " font, lower end is equipped with the outward flange that diameter is greater than flange disk cover centre bore.Drug sensitive test provided by the utility model simple punching device, structure is simple, easy to operate, can fast accurate punching, the practicability for improving drug sensitive test simple punching device, it is convenient and practical by pushing discharging piston that can easily release the residue inside perforated pipe.
Description
Technical field
The utility model relates to a kind of punch, a kind of drug sensitive test simple punching device and its use are specifically related to
Method belongs to medical experiment equipment technical field.
Background technique
Drug sensitive test punch used in laboratory is mainly made of perforated pipe and handle at present, and wherein perforated pipe is
The solid drawn tube of wall thickness 1mm, the outer diameter of perforated pipe experimental can need to select different sizes such as 6mm, 8mm or
10mm, perforated pipe cutting edge gradient are about 90 degree, and punched hole is smooth, and bore deformation is small, and handle is the system such as 3mm thickness low carbon steel plate
At in addition to bottle stopper after punching is avoided to remain in perforated pipe, it is necessary to which poker of arranging in pairs or groups, poker is generally by the carbon of 2.8mm
Steel wire is made.Poker can remove the residual of the bottle stopper in perforated pipe.Above-mentioned drug sensitive test punch there are the problem of for one not
It is easy to operate, the disadvantage of inaccuracy is punched, but also the residue in perforated pipe need to be manually taken out, it is very complicated.
Summary of the invention
The purpose of this utility model is to provide one to solve the above problem and deficiency existing for existing drug sensitive test punch
Kind drug sensitive test simple punching device and its application method.One people of punch of the utility model can operate, and very
It is easy to take out and manages interior residue.
In order to achieve the above objectives, the technical scheme that the utility model is provided is as follows:
A kind of drug sensitive test simple punching device, including perforated pipe are slidably fitted with perforated pipe in the perforated pipe, described
The discharging piston that can slide up and down is installed from bottom to top, the push rod being connected with the discharging piston is described to push away in perforated pipe
Bar upper end is set with guide collar, spring and shape for hat button, and the counterbore greater than bore is equipped in the perforated pipe upper pipes, and pipe is outer
For the ladder circle cylindricality of up-small and down-big diameter, it is provided with one section of screw thread in minor diameter outer circle or inner circle, passes through the threaded connection
There is a flange disk cover for being equipped with centre bore and earrings, the longitudinal section of the shape for hat button is inverted " u " font, and it is big that lower end is equipped with diameter
In the outward flange of flange disk cover centre bore.
Further, the upper end outer circle of the perforated pipe is equipped with supporting plate or handle, and bottom end outer circle is equipped with support plate, and inner hole is upper
Small lower big stepped hole.The supporting plate or handle are held using Shi Keyong hand, then presses the top of the perforated pipe, the support
Plate can increase the contact area with culture medium, avoid damage to culture medium.
Further, the bottom end outer circle of the perforated pipe is additionally provided with declivous cutting edge, and the angle of the declivous cutting edge is 30-60 degree.
Further, the discharging piston uses cork.
Further, the inside top of the shape for hat button is equipped with the cylindrical lower convexity for the spring that is located by connecting, outside
Equipped with earrings.
Further, the discharging piston is the disc to match with the perforated pipe internal via shape or rectangular.
A kind of application method of the drug sensitive test simple punching device of the utility model, the specific steps are as follows:
Step 1. is poured in the position for needing to punch in the culture medium flat plate back side subscript of drug sensitive test and forms drilling point;
Step 2. is pressed in culture medium by drilling point described in the center pair of the perforated pipe, and by the bottom surface of the perforated pipe
On;
Then the fixed perforated pipe of step 3. presses the top of the perforated pipe, the perforated pipe is inserted under force
Enter culture medium and complete punching, while the culture medium in the perforated pipe heads into the discharging piston, so that the spring
It is pressurized;
Step 4. stops pressing the perforated pipe, and the shape for hat button is jacked up, and the bottom end of the perforated pipe is stayed at this time
There is culture medium;
The center centering of the perforated pipe is needed to place the position of culture medium by step 5., presses the perforated pipe top
The shape for hat button releases the culture medium.
Compared with prior art, the technical solution of the utility model has the advantage that
Drug sensitive test provided by the utility model simple punching device, structure is simple, easy to operate, can fast accurate beat
Hole improves the practicability of drug sensitive test simple punching device, by pushing discharging piston can easily will be residual inside perforated pipe
Object is stayed to release, it is convenient and practical.
Detailed description of the invention
Fig. 1 is the structure structure cutaway view of the utility model embodiment;
Fig. 2 is the shape for hat button cross-sectional view in the utility model embodiment;
Fig. 3 is the flange disk cover cross-sectional view in the utility model embodiment;
Fig. 4 is the discharging piston and push rod schematic diagram in the utility model embodiment;
Fig. 5 is the perforated pipe cross-sectional view in the utility model embodiment;
In figure: 1 being perforated pipe, 2 be perforated pipe, 3 be discharging piston, 4 be push rod, 5 be shape for hat button, 6 be guide collar, 7
It is spring for flange disk cover, 8,9 be supporting plate, 10 be support plate, 11 is declivous cutting edge.
Specific embodiment
It is understandable to enable the above objects, features, and advantages of the utility model to become apparent, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and direction term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields.
It as shown in Figures 1 to 5, is a kind of drug sensitive test simple punching device of the utility model, including perforated pipe 1, institute
It states and is slidably fitted with perforated pipe 2 in perforated pipe 1, the discharging piston that can slide up and down is installed from bottom to top in the perforated pipe 2
3, the push rod 4 being connected with the discharging piston 3,4 upper end of push rod is set with guide collar 6, spring 8 and shape for hat button 5, institute
State the counterbore being equipped in 2 upper pipes of perforated pipe greater than bore, pipe is outer be up-small and down-big diameter ladder circle cylindricality, outside minor diameter
It is provided with one section of screw thread on circle, is threaded with a flange disk cover 7 for being equipped with centre bore and earrings by described, the shape for hat is pressed
The longitudinal section of button 5 is inverted " u " font, and lower end is equipped with the outward flange that diameter is greater than 7 centre bore of flange disk cover.
The upper end outer circle of perforated pipe 1 described above be equipped with supporting plate 9, bottom end outer circle be equipped with support plate 10, inner hole be it is upper it is small under
Big stepped hole.
As shown in figure 5, the bottom end outer circle of the perforated pipe 2 is additionally provided with declivous cutting edge 11, the angle of the declivous cutting edge 11 is 45
Degree.
The discharging piston 3 uses cork.
As shown in Fig. 2, the inside top of the shape for hat button 5 is equipped with the cylindrical lower convexity for the spring 8 that is located by connecting
12, outside is equipped with earrings.
The discharging piston 3 is the disc to match with 2 internal via shape of perforated pipe.
A kind of drug sensitive test application method of simple punching device of the utility model, comprises the concrete steps that:
The first step is poured in the position punched is needed to form drilling point in the culture medium flat plate back side subscript of drug sensitive test;
Second step is pressed in training by drilling point described in the center pair of the perforated pipe 2, and by the bottom surface of the perforated pipe 1
It supports on base;
Then third step, the fixed perforated pipe 1 press the top of the perforated pipe 2, effect of the perforated pipe 2 in power
Lower insertion culture medium completes punching, while the culture medium in the perforated pipe 2 heads into the discharging piston 3, so that institute
State the compression of spring 8;
4th step stops pressing the perforated pipe 2, and the shape for hat button 5 is jacked up, at this time the bottom end of the perforated pipe 2
There are culture mediums at place;
5th step, the position that the center centering of the perforated pipe 2 is needed to place culture medium press the perforated pipe 2 and push up
The shape for hat button 5 at end releases the culture medium.
Although the utility model discloses as above, the utility model is not limited to this.Anyone skilled in the art,
It does not depart from the spirit and scope of the utility model, can make various changes or modifications, therefore the protection scope of the utility model
It should be defined by the scope defined by the claims..
Claims (6)
1. a kind of drug sensitive test simple punching device, it is characterised in that: including perforated pipe (1), sliding peace in the perforated pipe (1)
Equipped with perforated pipe (2), can slide up and down discharging piston (3) are installed from bottom to top in the perforated pipe (2), with the discharging
The push rod (4) that piston (3) is connected, push rod (4) upper end are set with guide collar (6), spring (8) and shape for hat button (5), institute
The counterbore being equipped in perforated pipe (2) upper pipes greater than bore is stated, is the ladder circle cylindricality of up-small and down-big diameter, minor diameter outside pipe
It is provided with one section of screw thread in outer circle or inner circle, is threaded with a flange disk cover (7) for being equipped with centre bore and earrings by described,
The longitudinal section of the shape for hat button (5) is inverted " u " font, and lower end is equipped with the outward flange that diameter is greater than flange disk cover (7) centre bore.
2. a kind of drug sensitive test simple punching device according to claim 1, it is characterised in that: the perforated pipe (1)
Upper end outer circle is equipped with supporting plate or handle (9), and bottom end outer circle is equipped with support plate (10), and inner hole is up-small and down-big stepped hole.
3. a kind of drug sensitive test simple punching device according to claim 1, it is characterised in that: the perforated pipe (2)
Bottom end outer circle is additionally provided with declivous cutting edge (11), and the angle of the declivous cutting edge (11) is 30~60 degree.
4. a kind of drug sensitive test simple punching device according to claim 1, it is characterised in that: the discharging piston (3)
Using cork.
5. a kind of drug sensitive test simple punching device according to claim 1, it is characterised in that: the shape for hat button (5)
Inside top be equipped with cylindrical lower convexity (12) for the spring that is located by connecting (8), outside is equipped with an earrings.
6. a kind of drug sensitive test simple punching device according to claim 1, it is characterised in that: the discharging piston (3)
For the disc that matches with the perforated pipe (2) internal via shape or rectangular.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820752212.9U CN208714152U (en) | 2018-05-16 | 2018-05-16 | A kind of drug sensitive test simple punching device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201820752212.9U CN208714152U (en) | 2018-05-16 | 2018-05-16 | A kind of drug sensitive test simple punching device |
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CN208714152U true CN208714152U (en) | 2019-04-09 |
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ID=65970467
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CN201820752212.9U Active CN208714152U (en) | 2018-05-16 | 2018-05-16 | A kind of drug sensitive test simple punching device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108481428A (en) * | 2018-05-16 | 2018-09-04 | 镇江市高等专科学校 | A kind of drug sensitive test simple punching device and its application method |
CN110962186A (en) * | 2019-11-29 | 2020-04-07 | 安徽金昊天塑胶科技发展有限公司 | Plastic pipe tapping machine |
-
2018
- 2018-05-16 CN CN201820752212.9U patent/CN208714152U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108481428A (en) * | 2018-05-16 | 2018-09-04 | 镇江市高等专科学校 | A kind of drug sensitive test simple punching device and its application method |
CN110962186A (en) * | 2019-11-29 | 2020-04-07 | 安徽金昊天塑胶科技发展有限公司 | Plastic pipe tapping machine |
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