CN208747745U - A kind of Anaerobic culturel bag with Anaerobic indicator - Google Patents
A kind of Anaerobic culturel bag with Anaerobic indicator Download PDFInfo
- Publication number
- CN208747745U CN208747745U CN201821131680.0U CN201821131680U CN208747745U CN 208747745 U CN208747745 U CN 208747745U CN 201821131680 U CN201821131680 U CN 201821131680U CN 208747745 U CN208747745 U CN 208747745U
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- China
- Prior art keywords
- bag
- anaerobic
- piston
- plunger shaft
- indicator
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Abstract
The utility model relates to a kind of Anaerobic culturel bag with Anaerobic indicator, including bag body, further include anaerobism indicator, and the anaerobism indicator includes shell, first piston, second piston, positioner and opening device, and the shell has a plunger shaft；The bag body is equipped with a check valve, and for the intracorporal gas of bag when the intracorporal air pressure of the bag is greater than air pressure in the plunger shaft, the intracorporal gas of bag flows into the plunger shaft through the check valve；The peace that the opening device is used to connect splendid attire Anaerobic indicator cuts open the bottle neck of bottle, and when the pressure in the plunger shaft is greater than preset value, the opening device is triggered to open the bottle neck, so that the gas in plunger shaft enters the peace and cuts open in bottle.Anaerobic culturel bag provided by the utility model with Anaerobic indicator makes the gas in plunger shaft cut open the function that the gas in Anaerobic culturel bag is tested in realization in bottle into the peace, effectively increases the anaerobism testing efficiency of Anaerobic culturel bag.
Description
Technical field
The utility model belongs to field of containers, and in particular to a kind of Anaerobic culturel bag with Anaerobic indicator.
Background technique
The culture of anaerobic bacteria does not require nothing more than culture gaseous environment anaerobic, and culture medium is required not formed to anaerobic bacteria nocuousness
Peroxide, culture medium should keep oxygen-free environment and suitable humidity in production and storage process.Currently, prepared detest
Oxygen culture medium is using ventilative, permeable material packaging, storage.When air humidity is excessive, moisture infiltration, culturing gene humidity mistake
Greatly, it grows mould and fails；When air humidity is too small, moisture loss, culturing gene excessively drying will also fail；More due to oxygen
The infiltration of gas, for a long time, training oxygroup form to the harmful peroxide of anaerobic bacteria and use culture medium calcellation cannot.
Anaerobic indicator is used primarily in space or the container that detection needs anaerobic condition, such as the Anaerobic culturel of microbial room
Bag.Existing frequently-used anaerobic bacteria indicator is often instant with (especially glucose solution), and three presses 2:0.1:0.2
The ratio of (milliliter) is mixed in test tube, colourless through boiling, and is put into rapidly in anaerobic jar (bag), is mixed if tank (bag) interior anaerobism
It is still colourless to close liquid, it is blue if remaining has oxygen.The sterile state of anaerobism is made in indicator, peace is sealed in and cuts open in bottle.
Peace is cutd open bottle when needing to detect anaerobic state to be put into anaerobic jar (bag), when use breaks bottleneck into two with one's hands, allows liquid and anaerobism in bottle
Gas contact in bag or anaerobism bottle.If body in anaerobic jar (bag), in colourless, the bottleneck for air of entering is blue, that is, illustrates
Indicator is effectively and anaerobic jar (bag) reaches anaerobic state.
Utility model content
The purpose of this utility model is to provide a kind of Anaerobic culturel bag with Anaerobic indicator, can very easily use
Gas in Anaerobic indicator detection bag can't pollute gas in bag.
For this purpose, the utility model provides a kind of Anaerobic culturel bag with Anaerobic indicator, including bag body, it further include anaerobism
Indicator, the anaerobism indicator include shell, first piston, second piston, positioner and opening device,
The shell has the plunger shaft of both ends perforation, and the first piston and second piston are located at the plunger shaft
It is interior；
The bag body is equipped with a check valve, and the intracorporal gas of bag is greater than the plunger shaft in the intracorporal air pressure of the bag
When interior air pressure, the intracorporal gas of bag flows into the plunger shaft through the check valve；
The opening device is set on the shell, and the peace for connecting splendid attire Anaerobic indicator cuts open the bottle neck of bottle, in institute
When stating the pressure in plunger shaft greater than preset value, the opening device is triggered to open the bottle neck, so that in plunger shaft
Gas enters the peace and cuts open in bottle；
The positioner includes rack gear and the rack gear meshed gears, connecting rod and crankshaft, and the rack gear is along the work
The axial direction of plug chamber is connected to the second piston, and the connecting rod and the gear are connected to the back close to the second piston
The shell is passed through to the side of the first piston, the crankshaft is connect with the connecting rod.
Preferably, further include leader, a cavity is equipped in the handle, the cavity cuts open bottle for accommodating the peace.
Preferably, the opening device is set in the first piston.
Preferably, the opening device include a baroceptor, driver and cutter, the baroceptor with it is described
Driver connection, the cutter are connect with the driver, described when the pressure in the plunger shaft is greater than the preset value
Driver is triggered by the baroceptor and drives the cutter mobile to cut the bottle neck, so that the gas in plunger shaft
It is cutd open in bottle into the peace.
Preferably, the opening device includes the mounting hole set on the first piston, and one end of the mounting hole is set to
Clamping nozzle, other end are equipped with air pressure block；The side towards the clamping nozzle of the air pressure block is equipped with a thorn for stretching to the clamping nozzle
Needle.
Preferably, boss is equipped in the mounting hole, the air pressure block contacts at the boss by an elastomer.
Preferably, the lateral surface of the shell is equipped with a depressed area, and the crankshaft is contained in told depressed area, the song
Axis includes telescopic rod and handle, and one end of the telescopic rod is connect with the connecting rod, and other end is connect with the handle, described
The side wall of depressed area has a gap corresponding with the handle, for accommodating the handle.
Preferably, the side wall of the plunger shaft is equipped with exhaust valve, when the first piston is close to the second piston, institute
The gas stated in plunger shaft is discharged by the exhaust valve.
Compared with prior art, the Anaerobic culturel bag provided by the utility model with Anaerobic indicator is in mobile first piston
So that the check valve of bag body is located at the side wall of plunger shaft, so that the gas in bag partially flows into plunger shaft under the action of the underpressure,
Then first piston is moved again to pressurize to open so as to the opening device that sets out to the gas in piston and contain anaerobism
The peace of indicator cuts open the bottle neck of bottle, so that the gas in plunger shaft enters the peace and cuts open the interior realization of bottle to the gas in Anaerobic culturel bag
The function that body is tested effectively increases the anaerobism testing efficiency of Anaerobic culturel bag.
Detailed description of the invention
Fig. 1 is a kind of structural representation of one embodiment of Anaerobic culturel bag with Anaerobic indicator described in the utility model
Figure；
Fig. 2 is the structural schematic diagram of the first piston of Anaerobic culturel bag and opening device in Fig. 1；
Fig. 3 is a kind of structural representation of one embodiment of Anaerobic culturel bag with Anaerobic indicator described in the utility model
Figure, wherein first piston is in initial position；
Fig. 4 is a kind of structural representation of one embodiment of Anaerobic culturel bag with Anaerobic indicator described in the utility model
Figure, wherein pricker is in the state for puncturing the bottle neck that peace cuts open bottle；
In figure:
10: bag body；11: check valve；20: shell；21: plunger shaft；30: first piston；31: handle；40: opening device；
41: air pressure block；42: elastomer；43: pricker；44: boss；45: clamping nozzle；46: mounting hole；50: peace cuts open bottle；51: bottle neck；60: the
Two pistons；61: rack gear；62: connecting rod；63: crankshaft；64: handle；65: gear.
Specific embodiment
With reference to the accompanying drawing, the utility model is described further.
Fig. 1 is a kind of structural representation of one embodiment of Anaerobic culturel bag with Anaerobic indicator described in the utility model
Figure.Referring to Fig. 1, which includes bag body 10 and anaerobism indicator, and anaerobism indicator is for detecting gas in bag body 10
Anaerobic state.
The anaerobism indicator includes shell 20, first piston 30 and opening device 40, is preferably disposed to the first piston
In 30.The shell 20 has a plunger shaft 21, and the first piston 30 is located in the plunger shaft 21.The opening device 40
On the shell 20, the peace for connecting splendid attire Anaerobic indicator cuts open the bottle neck 51 of bottle 50, in the plunger shaft 21
Pressure be greater than preset value when, the opening device 40 is triggered to open the bottle neck 51 so that the gas in plunger shaft 21 into
Enter the peace to cut open in bottle 50.The bag body 10 is equipped with a check valve 11, and the gas in the bag body 10 is in the bag body 10
When air pressure is greater than air pressure in the plunger shaft 21, the gas in the bag body 10 flows into the plunger shaft through the check valve 11
21。
Fig. 2 is the first piston 30 of Anaerobic culturel bag in Fig. 1 and the structural schematic diagram of opening device 40.Present embodiment
In, as shown in Fig. 2, the opening device 40 includes the mounting hole 46 set on the first piston 30, the one of the mounting hole 46
End is set to clamping nozzle 45, and other end is equipped with air pressure block 41；The side towards the clamping nozzle 45 of the air pressure block 41 is equipped with one and stretches
To the pricker 43 of the clamping nozzle 45.In other embodiments, the opening device 40 include a baroceptor, driver and
Cutter, the baroceptor are connect with the driver, and the cutter is connect with the driver, in the plunger shaft 21
Pressure when being greater than the preset value, the driver is triggered by the baroceptor and drives the cutter mobile to cut
The bottle neck 51, so that the gas in plunger shaft 21 enters the peace and cuts open in bottle 50.
The Anaerobic culturel bag further includes a handle 31 connecting with first piston 30, is equipped with one in the handle 31 and holds
Chamber, the cavity cut open bottle 50 for accommodating the peace.Boss 44 is equipped in the mounting hole 46, the air pressure block 41 passes through a bullet
Property body 42 contacts at the boss 44.
In addition, the plunger shaft 21 is the cavity of both ends perforation, it further include second piston 60, the second piston 60 is located at
In the plunger shaft 21.The side wall of the plunger shaft 21 is equipped with exhaust valve, in the first piston 30 close to the second piston
When 60, the gas in the plunger shaft 21 is discharged by the exhaust valve.The Anaerobic culturel bag further includes positoning machine
Structure, the positioner include rack gear 61 and 61 meshed gears 65 of rack gear, connecting rod 62 and crankshaft 63, the rack gear 61
It is connected to the second piston 60 along the axial direction of the plunger shaft 21, the connecting rod 62 is connected to close with the gear 65
The side backwards to the first piston 30 of the second piston 60 passes through the shell 20, the crankshaft 63 and the connecting rod 62
Connection.The lateral surface of the shell 20 is equipped with a depressed area, and the crankshaft 63 is contained in told depressed area, and the crankshaft 63 wraps
Telescopic rod and handle 64 are included, one end of the telescopic rod is connect with the connecting rod 62, and other end is connect with the handle 64, institute
The side wall for stating depressed area has a gap corresponding with the handle 64, for accommodating the handle 64.Positioner can be adjusted
The position of whole second piston 60, so as to adjust first piston 30 and second piston 60 in the position of compressed gas and test gas
It sets, so that first piston 30 in initial position, is covered on the position of check valve 11.
The anaerobism test process for the Anaerobic culturel bag that present embodiment provides is illustrated below with reference to Fig. 3 and Fig. 4.
Fig. 3 is a kind of structural schematic diagram of one embodiment of Anaerobic culturel bag described in the utility model, wherein first piston
30 are in initial position.As shown in figure 3, opening the exhaust valve of plunger shaft 21, push first piston 30 straight close to second piston 60
It contacts to first piston 30 with second piston 60 the gas in plunger shaft 21 to be discharged by exhaust valve, is then shut off the exhaust
Valve.
Then, first piston 30 is reversely pulled, so that the space enlargement in plunger shaft 21, the work of negative pressure in plunger shaft 21
Under, the gas in bag body 10 is leaked in plunger shaft 21 from check valve 11, until in the air pressure and bag body 10 in plunger shaft 21
Air pressure it is identical.
Then, push first piston 30 close to second piston 60 with the gas in compression piston chamber 21, due to bag body 10
Check valve 11 only allows gas to flow in plunger shaft 21 from bag body 10, the gas in such 30 compression piston chamber 21 of first piston
When, the gas in plunger shaft 21 will not be back to bag body 10.
Fig. 4 is a kind of structural schematic diagram of one embodiment of Anaerobic culturel bag described in the utility model, wherein at pricker 43
In puncture peace cut open bottle 50 bottle neck 51 state.As shown in figure 4, air pressure will push gas as the air pressure in plunger shaft 21 increases
Briquetting 41 cuts open the bottle neck 51 of bottle 50 close to peace, until pricker 43 punctures the bottle neck 51 that peace cuts open bottle 50.Due to the gas in plunger shaft 21
Know from experience the side that the slow close peace for leaking to air pressure block 41 cuts open the bottle neck 51 of bottle 50, allows gas to enter peace and cut open bottle 50
It is interior, test anaerobic gas.
The Anaerobic culturel bag that present embodiment provides makes the check valve 11 of bag body 10 be located at work in mobile first piston 30
The side wall of chamber 21 is filled in, so that the gas in bag partially flows into plunger shaft 21 under the action of the underpressure, it is living then to move first again
Plug 30 cuts open bottle with the peace for opening splendid attire Anaerobic indicator so as to the opening device 40 that sets out of pressurizeing to the gas in piston
50 bottle neck 51, so that the gas in plunger shaft 21 enters the peace and cuts open the gas progress realized in bottle 50 in Anaerobic culturel bag
The function of test effectively increases the anaerobism testing efficiency of Anaerobic culturel bag.
It should be understood that the utility model is not limited to above embodiment, all various changes to the utility model
Or modification does not depart from the spirit and scope of the utility model, if these modification and variations belong to the claim of the utility model
Within the scope of equivalent technologies, then the utility model is also implied that comprising these modification and variations.
Claims (8)
1. a kind of Anaerobic culturel bag with Anaerobic indicator, including bag body, which is characterized in that it further include anaerobism indicator, it is described
Anaerobism indicator includes shell, first piston, second piston, positioner and opening device,
The shell has the plunger shaft of both ends perforation, and the first piston and second piston are located in the plunger shaft；
The bag body is equipped with a check valve, and the intracorporal gas of bag is greater than gas in the plunger shaft in the intracorporal air pressure of the bag
When pressure, the intracorporal gas of bag flows into the plunger shaft through the check valve；
The opening device is set on the shell, and the peace for connecting splendid attire Anaerobic indicator cuts open the bottle neck of bottle, in the work
When filling in intracavitary pressure greater than preset value, the opening device is triggered to open the bottle neck, so that the gas in plunger shaft
It is cutd open in bottle into the peace；
The positioner includes rack gear and the rack gear meshed gears, connecting rod and crankshaft, and the rack gear is along the plunger shaft
Axial direction be connected to the second piston, the connecting rod and the gear are connected to close to the second piston backwards to institute
The side for stating first piston passes through the shell, and the crankshaft is connect with the connecting rod.
2. the Anaerobic culturel bag with Anaerobic indicator as described in claim 1, which is characterized in that it further include leader, it is described
A cavity is equipped in handle, the cavity cuts open bottle for accommodating the peace.
3. the Anaerobic culturel bag with Anaerobic indicator as claimed in claim 2, which is characterized in that the opening device is set to institute
It states in first piston.
4. the Anaerobic culturel bag with Anaerobic indicator as claimed in claim 3, which is characterized in that the opening device includes one
Baroceptor, driver and cutter, the baroceptor are connect with the driver, and the cutter and the driver connect
It connects, when the pressure in the plunger shaft is greater than the preset value, the driver is triggered and driven by the baroceptor
The cutter is mobile to cut the bottle neck, so that the gas in plunger shaft enters the peace and cuts open in bottle.
5. the Anaerobic culturel bag with Anaerobic indicator as claimed in claim 3, which is characterized in that the opening device includes setting
In the mounting hole of the first piston, one end of the mounting hole is set to clamping nozzle, and other end is equipped with air pressure block；The air pressure block
The side towards the clamping nozzle be equipped with a pricker for stretching to the clamping nozzle.
6. the Anaerobic culturel bag with Anaerobic indicator as described in claim 4 or 5, which is characterized in that set in the mounting hole
There is boss, the air pressure block contacts at the boss by an elastomer.
7. the Anaerobic culturel bag with Anaerobic indicator as claimed in claim 6, which is characterized in that the lateral surface of the shell is set
There is a depressed area, the crankshaft is contained in told depressed area, and the crankshaft includes telescopic rod and handle, and the one of the telescopic rod
End is connect with the connecting rod, and other end is connect with the handle, and the side wall of the depressed area is corresponding with the handle with one
Gap, for accommodating the handle.
8. the Anaerobic culturel bag with Anaerobic indicator as claimed in claim 7, which is characterized in that the side wall of the plunger shaft is set
Have exhaust valve, when the first piston is close to the second piston, gas in the plunger shaft by the exhaust valve to
Outer discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131680.0U CN208747745U (en) | 2018-07-17 | 2018-07-17 | A kind of Anaerobic culturel bag with Anaerobic indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821131680.0U CN208747745U (en) | 2018-07-17 | 2018-07-17 | A kind of Anaerobic culturel bag with Anaerobic indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208747745U true CN208747745U (en) | 2019-04-16 |
Family
ID=66055817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821131680.0U Expired - Fee Related CN208747745U (en) | 2018-07-17 | 2018-07-17 | A kind of Anaerobic culturel bag with Anaerobic indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208747745U (en) |
-
2018
- 2018-07-17 CN CN201821131680.0U patent/CN208747745U/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: 20190416 Termination date: 20210717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |