CN208930442U - A kind of agar perforating device - Google Patents
A kind of agar perforating device Download PDFInfo
- Publication number
- CN208930442U CN208930442U CN201821585448.4U CN201821585448U CN208930442U CN 208930442 U CN208930442 U CN 208930442U CN 201821585448 U CN201821585448 U CN 201821585448U CN 208930442 U CN208930442 U CN 208930442U
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- CN
- China
- Prior art keywords
- hole
- suction pipe
- piston
- connecting tube
- ball
- 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
Links
- 229920001817 Agar Polymers 0.000 title claims abstract description 39
- 239000008272 agar Substances 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 16
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 244000005700 microbiome Species 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000010977 jade Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
Abstract
The utility model discloses a kind of agar perforating device, when being punched to agar, pressing ball deforms, air in ball generates on the position that pressure pushes piston to abut to the upper end with suction pipe, the lower end of suction pipe is inserted into agar block, unclamp ball, region between piston and ball generates negative pressure, to have the function of absorption to piston, piston is mobile toward the direction of ball, so that also generating negative pressure in suction pipe inner piston region below, then the agar on corresponding position is inhaled into suction pipe, ball is pressed again to deform, air in ball generates pressure and pushes piston mobile toward the direction of suction pipe, remaining agar squeezes out in suction pipe lower part, the distance between the upper end of adjusting suction pipe and fixed ring can be passed through, limit the shift motion of piston, and then the controllable volume for drawing agar block, it can also basis Then the graduation mark on suction pipe knows the specific size for getting hole.The utility model is used for the experiment of microorganism.
Description
Technical field
The utility model relates to Experiment on Microbiology field, in particular to a kind of agar perforating device.
Background technique
It when laboratory carries out Bactericidal test, needs to make a hole in the centre of agar, drug is added and enters.It beats now
Hole is punched with the thicker side of rubber head dropper, then blocks thinner one side with finger, generates pressure difference, from
And agar is taken out, the agar that this often generates taking-up is incomplete, and can accidentally destroy the agar on periphery, and also not
It can specifically know the volume of punched hole, then the medicine liquid volume being added is also uncertain how many, the case where adding spilling can be generated.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of agar perforating device, pressure difference can be automatically generated,
Extra agar block is drawn, while knowing the specific size for getting hole, also can according to need the size for carrying out adjustment hole, operation letter
It is single.
The solution that the utility model solves its technical problem is:
A kind of agar perforating device, including cylindrical handle body, the handle body is provided with along axial centre position
Through-hole, for the handle body in vertically arranged, the lower part of the handle body is equipped with the mounting hole being coaxially disposed with through-hole, described
The upper end of mounting hole be connected to the lower end of through-hole, the mounting hole is set in vertically arranged connecting tube, the company
Adapter tube is docked with the lower end of through-hole, and the lower part of the connecting tube is connected in vertically arranged suction pipe, the sipper top
Outside wall surface be equipped with the first external screw thread, the inner wall of the connecting tube lower part is equipped with and spiral shell in the first external screw thread matched first
Line, the top of the suction pipe and the lower thread of connecting tube connect, and the outside wall surface of the suction pipe is carved in vertically arranged
Graduation mark, the internal sleeve of the connecting tube are equipped with piston in the form of annular discs, the lateral wall of the piston and connecting tube it is interior
Wall surface seals against, and the inner wall on connecting tube top is connected with fixed ring extended inside, and the fixed ring is in cross
To setting, the piston is arranged between fixed ring and the upper surface of suction pipe, and the piston can be in fixed ring and suction pipe
It is slided between upper surface, the upper end of the through-hole is connected with hollow ball, and the lower part of the ball is equipped with opening,
The upper end of the through-hole and the opening of ball lower part are tightly connected.
As a further improvement of the foregoing solution, the upper end of the through-hole is connected with the connection with through-hole coaxial arrangement
Hole, the connecting hole is in vertically arranged, internal diameter of the internal diameter greater than through-hole of the connecting hole, the lower end of the connecting hole
It is connected to the upper end of through-hole, the through-hole is tightly connected by the opening of connecting hole and ball lower part.
As a further improvement of the foregoing solution, it is set with sealing shroud in the outside wall surface of sipper top, the suction pipe
Outside wall surface is in sealing contact by the inner wall of sealing shroud and connecting tube, and the sealing is set on the upper surface and first of suction pipe
Between external screw thread.
As a further improvement of the foregoing solution, first external screw thread, the first internal screw thread are fine thread.
As a further improvement of the foregoing solution, the internal diameter of the mounting hole is greater than the internal diameter of through-hole, the installation
The medial surface in hole is equipped with the second internal screw thread, the lateral surface on the connecting tube top be equipped with outside the second internal screw thread matched second
Screw thread, the mounting hole are threadedly coupled with the top of connecting tube.
As a further improvement of the foregoing solution, sealing is equipped between the upper surface of mounting hole and the upper surface of connecting tube
Ring.
The beneficial effects of the utility model are: holding handle body, when punching to agar, pressing ball becomes
Shape, the air in ball generate on the position that pressure pushes piston to abut to the upper end with suction pipe, and the lower end of suction pipe is inserted into
In agar block, ball is unclamped, ball is restored to original shape under the action of restoring elastic force, and is produced from region between piston and ball
Raw negative pressure, to have the function of absorption to piston, piston is mobile toward the direction of ball, so that below in suction pipe inner piston
Region also generates negative pressure, then the agar on corresponding position is inhaled into suction pipe, can automatically generate pressure difference, draws extra fine jade
Rouge block；After punched to agar, pressing ball deforms, and the air in ball generates pressure and pushes piston past
The direction of suction pipe is mobile, and the pressure that remaining agar is generated by the air between agar and piston in suction pipe lower part squeezes out, and can lead to
It crosses turn suction pipe and adjusts the distance between upper end and fixed ring of suction pipe, the shift motion of piston is limited, to control in suction pipe
The negative pressure value that piston region below generates, and then the controllable volume for drawing agar block, can also be according to the scale on then suction pipe
Line knows the specific size for getting hole, carrys out the size of adjustment hole as needed, easy to operate.
The utility model is used for the experiment of microorganism.
Detailed description of the invention
It, below will be to required in embodiment description 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.Obviously, described attached drawing is a part of the embodiment of the utility model, rather than complete
Portion's embodiment, those skilled in the art without creative efforts, can also be obtained according to these attached drawings it
His design scheme and attached drawing.
Fig. 1 is the sectional view of the main view of the utility model embodiment；
Fig. 2 is the schematic view of the front view of the utility model embodiment；
Fig. 3 is the Local map on connecting tube top in the sectional view of the main view of the utility model embodiment；
Fig. 4 is the Local map of connecting tube lower part in the sectional view of the main view of the utility model embodiment.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being previously mentioned in text, not singly refer to that component directly connects, and referring to can be according to specific reality
Situation is applied, by adding or reducing couple auxiliary, Lai Zucheng more preferably coupling structure.Each technology in the utility model is special
Sign, can be with combination of interactions under the premise of not conflicting conflict.
Referring to figs. 1 to Fig. 4, this is the embodiments of the present invention, specifically:
A kind of agar perforating device, including cylindrical handle body 1, the handle body 1 is opened along axial centre position
There is a through-hole 2, for the handle body 1 in vertically arranged, the lower part of the handle body 1 is equipped with the installation being coaxially disposed with through-hole 2
The upper end in hole 3, the mounting hole 3 is connected to the lower end of through-hole 2, and the mounting hole 3 is set in vertically arranged connection
Pipe 31, the connecting tube 31 are docked with the lower end of through-hole 2, and the lower part of the connecting tube 31 is connected in vertically arranged suction
Pipe 4, the outside wall surface on 4 top of suction pipe are equipped with the first external screw thread 41, the inner wall of 31 lower part of connecting tube be equipped with
Matched first internal screw thread 32 of first external screw thread 41, the top of the suction pipe 4 are connect with the lower thread of connecting tube 31, institute
The outside wall surface for the suction pipe 4 stated is carved in vertically arranged graduation mark 43, and the internal sleeve of the connecting tube 31 is equipped in the form of annular discs
Piston 33, the lateral wall of the piston 33 and the inner wall of connecting tube 31 seal against, the inner wall on 31 top of connecting tube
Face is connected with fixed ring 34 extended inside, and the fixed ring 34 is in laterally setting, and the setting of piston 33 is solid
Determine between ring 34 and the upper surface of suction pipe 4, the piston 33 can slide between fixed ring 34 and the upper surface of suction pipe 4, institute
The upper end for the through-hole 2 stated is connected with hollow ball 5, and the lower part of the ball 5 is equipped with opening 51, the through-hole 2
Upper end and 5 lower part of ball opening 51 be tightly connected.Handle body 1 is held, when punching to agar, presses ball 5
It deforms, the air in ball 5 generates pressure and pushes on piston 33 to the position abutted with the upper end of suction pipe 4, suction pipe 4
Lower end is inserted into agar block, unclamps ball 5, and ball 5 is restored to original shape, piston 33 and rubber under the action of restoring elastic force
Region generates negative pressure between glueballs 5, to have the function of absorption to piston 33, piston 33 is mobile toward the direction of ball 5, makes
It obtains and also generates negative pressure in the region below of 4 inner piston of suction pipe 33, then the agar on corresponding position is inhaled into suction pipe 4, can be certainly
Movable property gives birth to pressure difference, draws extra agar block；After punched to agar, pressing ball 5 deforms, rubber
Air in ball 5 generates pressure and pushes piston 33 mobile toward the direction of suction pipe 4, in 4 lower part of suction pipe remaining agar by agar with
The pressure that air between piston 33 generates squeezes out, and can be adjusted between the upper end and fixed ring 34 of suction pipe 4 by turn suction pipe 4
Distance defines the shift motion of piston 33, to control the negative pressure value that the region below of 4 inner piston of suction pipe 33 generates, in turn
The controllable volume for drawing agar block, then know the specific size for getting hole, comes the size of adjustment hole, operation letter as needed
It is single, compared with existing punch, although some is also suction-operated and graduation mark 43 by ball 5 to adjust punching
Size, but be all that 5 extrusion deformation degree of ball is controlled by artificial proficiency, there is not accurate phenomenon in this way, it is right
In need to beat multiple holes be added medical fluid when, because hole it is not of uniform size due to generate error, reduce the accuracy of experiment, and this skill
Art passes through the transitional function of piston 33, it is only necessary to adjust position of the suction pipe 4 in connecting tube 31 to indirectly control the size in hole, only
It need to adjust primary, so that it may the hole of same size is got, precision is high, and it is high-efficient, in order to improve the ability of absorption as far as possible, work as rubber
When 5 original shape of ball, piston 33 is contacted with fixed ring 34.
It is further used as preferred embodiment, the upper end of the through-hole 2 is connected with the company being coaxially disposed with through-hole 2
Hole 21 is connect, the connecting hole 21 is in vertically arranged, internal diameter of the internal diameter greater than through-hole 2 of the connecting hole 21, the company
The lower end for connecing hole 21 is connected to the upper end of through-hole 2, and the through-hole 2 passes through 51 gas of opening of connecting hole 21 and 5 lower part of ball
Close connection.The space size for increasing region between piston 33 and ball 5 by connecting hole 21, to improve what piston 33 received
Adsorption capacity and thrust, improve the success rate of perforating device, take out remaining agar completely.
It is further used as preferred embodiment, the outside wall surface on 4 top of suction pipe is set with sealing shroud 42, the suction pipe
4 outside wall surface is in sealing contact by sealing shroud 42 and the inner wall of connecting tube 31, and the upper of suction pipe 4 is arranged in the sealing shroud 42
Between end face and the first external screw thread 41.The leakproofness between suction pipe 4 and connecting tube 31 is improved by sealing shroud 42, is prevented
The phenomenon that gas leakage, to improve the stability that perforating device uses.
It is further used as preferred embodiment, first external screw thread 41, the first internal screw thread 32 are fine thread.First
External screw thread 41 and the first internal screw thread 32 primarily serve the effect of adjusting, and perforating device adjusting can be improved by the setting of fine thread
Accuracy needs high-accuracy regulation performance because being used primarily in the experiment of microorganism.
It is further used as preferred embodiment, the internal diameter of the mounting hole 3 is greater than the internal diameter of through-hole 2, the peace
The medial surface for filling hole 3 is equipped with the second internal screw thread 35, and the lateral surface on 31 top of connecting tube is equipped with and the second internal screw thread 35
The second external screw thread 36 matched, the mounting hole 3 are threadedly coupled with the top of connecting tube 31.The main assembly for being convenient for perforating device
And maintenance, during use, piston 33 can deform, thus need replacing piston 33 to improve the stability of perforating device,
Extend the service life of perforating device.
It is further used as preferred embodiment, is equipped between the upper surface of mounting hole 3 and the upper surface of connecting tube 31
Sealing ring 37.Improve the leakproofness of connecting tube 31 and mounting hole 3, the phenomenon that preventing gas leakage, so that improving perforating device makes
Stability.
The better embodiment of the utility model is illustrated above, but the utility model be not limited to it is described
Embodiment, those skilled in the art can also make various equivalent changes without departing from the spirit of the present invention
Type or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (6)
1. a kind of agar perforating device, including cylindrical handle body (1), the handle body (1) is along axial centre position
Be provided with through-hole (2), the handle body (1) is in vertically arranged, it is characterised in that: the lower part of the handle body (1) be equipped with
The mounting hole (3) of through-hole (2) coaxial arrangement, the upper end of the mounting hole (3) are connected to the lower end of through-hole (2), the peace
Dress hole (3) is set in vertically arranged connecting tube (31), and the connecting tube (31) is docked with the lower end of through-hole (2), described
The lower part of connecting tube (31) be connected in vertically arranged suction pipe (4), the outside wall surface on the suction pipe (4) top is equipped with first
The inner wall of external screw thread (41), the connecting tube (31) lower part is equipped with and matched first internal screw thread of the first external screw thread (41)
(32), the top of the suction pipe (4) is connect with the lower thread of connecting tube (31), and the outside wall surface of the suction pipe (4) is carved with
In vertically arranged graduation mark (43), the internal sleeve of the connecting tube (31) is equipped with piston (33) in the form of annular discs, described
The lateral wall of piston (33) and the inner wall of connecting tube (31) seal against, and the inner wall on connecting tube (31) top is connected with past
Interior extended fixed ring (34), the fixed ring (34) are arranged in laterally setting, the piston (33) in fixed ring
(34) between the upper surface of suction pipe (4), the piston (33) can be slided between fixed ring (34) and the upper surface of suction pipe (4)
Dynamic, the upper end of the through-hole (2) is connected with hollow ball (5), and the lower part of the ball (5) is equipped with opening
(51), the opening (51) of the upper end of the through-hole (2) and ball (5) lower part is tightly connected.
2. a kind of agar perforating device according to claim 1, it is characterised in that: the upper end of the through-hole (2) connects
There is the connecting hole (21) with through-hole (2) coaxial arrangement, the connecting hole (21) is in vertically arranged, described connecting hole (21)
Internal diameter is greater than the internal diameter of through-hole (2), and the lower end of the connecting hole (21) is connected to the upper end of through-hole (2), the through-hole (2)
It is tightly connected by the opening (51) of connecting hole (21) and ball (5) lower part.
3. a kind of agar perforating device according to claim 1, it is characterised in that: the outer wall surface cover on suction pipe (4) top
Equipped with sealing shroud (42), the outside wall surface of the suction pipe (4) is connect by sealing shroud (42) and the inner wall sealing of connecting tube (31)
Touching, the sealing shroud (42) are arranged between the upper surface and the first external screw thread (41) of suction pipe (4).
4. a kind of agar perforating device according to claim 1, it is characterised in that: first external screw thread (41),
One internal screw thread (32) is fine thread.
5. a kind of agar perforating device according to claim 1, it is characterised in that: the internal diameter of the mounting hole (3) is big
The medial surface of internal diameter in through-hole (2), the mounting hole (3) is equipped with the second internal screw thread (35), in the connecting tube (31)
The lateral surface in portion is equipped with and matched second external screw thread (36) of the second internal screw thread (35), the mounting hole (3) and connecting tube
(31) top is threadedly coupled.
6. a kind of agar perforating device according to claim 5, it is characterised in that: upper surface and company in mounting hole (3)
It takes between the upper surface of (31) and is equipped with sealing ring (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585448.4U CN208930442U (en) | 2018-09-27 | 2018-09-27 | A kind of agar perforating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821585448.4U CN208930442U (en) | 2018-09-27 | 2018-09-27 | A kind of agar perforating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208930442U true CN208930442U (en) | 2019-06-04 |
Family
ID=66722763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821585448.4U Expired - Fee Related CN208930442U (en) | 2018-09-27 | 2018-09-27 | A kind of agar perforating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208930442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203080A (en) * | 2018-09-27 | 2019-01-15 | 佛山科学技术学院 | A kind of agar perforating device |
-
2018
- 2018-09-27 CN CN201821585448.4U patent/CN208930442U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109203080A (en) * | 2018-09-27 | 2019-01-15 | 佛山科学技术学院 | A kind of agar perforating device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190604 |