CN110487597A - A kind of lactic acid bacteria (LAB) detection probe tube - Google Patents
A kind of lactic acid bacteria (LAB) detection probe tube Download PDFInfo
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- CN110487597A CN110487597A CN201910833493.XA CN201910833493A CN110487597A CN 110487597 A CN110487597 A CN 110487597A CN 201910833493 A CN201910833493 A CN 201910833493A CN 110487597 A CN110487597 A CN 110487597A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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Abstract
The invention belongs to sample detection appliance technology, specifically a kind of lactic acid bacteria (LAB) detects probe tube；Including outer tube, piston rod and piston；The outer tube end is provided with suction inlet；Protective case is provided on the outside of the suction inlet；The piston rod other end is fixed with disk；The outer tube is equipped with inner tube；It is in close contact on the outside of said inner tube on the inside of outer tube, and inner tube can move along the cavity that outer tube is provided under the promotion of piston rod；The piston is detachably arranged in piston rod end；The piston can slide along the cavity that internal tube is provided under the promotion of piston rod；The outer tube side is provided with opening；The opening inside pipeline and sampling bottle by being connected to；Mating protection covers work while the present invention is by the way that probe tube bilayer to be arranged, to ensure that the quality of sampling front and back lactic acid bacteria sample.
Description
Technical field
The invention belongs to sample detection appliance technology, specifically a kind of lactic acid bacteria (LAB) detects probe tube.
Background technique
Lactic acid bacteria refers to that fermenting carbohydrate primary product is a kind of general name without gemma, gram-positive bacterium of lactic acid.
For prokaryotes.Lactic acid bacteria (lactic acid bacteria, LAB) is that one kind can be generated greatly using fermentable carbohydrate
Measure the common name of the bacterium of lactic acid.This kind of bacterium is extremely wide in distributed in nature, has species diversity abundant.They are not only
It is research classification, biochemistry, hereditary, molecular biology and genetic engineering ideal material, theoretically there is important academic valence
Value, and it is also high in the key areas application value closely related with human lives such as industry, farming and animal husbandry, food and medicine.
In addition, some bacteriums are the pathogenic bacteria of people and animals again in this kind of bacterium, therefore are greatly paid close attention to and pay attention to by people.It is all can be from Portugal
The bacterium that lactic acid is generated in the fermentation process of grape sugar or lactose is referred to as lactic acid bacteria.This is the quite numerous and jumbled bacterium of a group, at present
18 categories can be at least divided into, share more than 200 kinds.In addition to only a few, wherein the overwhelming majority is all essential in human body and has
There is the flora of important physiological function, is widely present in the enteron aisle of human body.It has been confirmed by domestic and international biologist at present, intestines
Interior lactic acid bacteria and good health and a long life have very close relationship.
Nowadays many beverage product producers also can all prepare sour milk beverage, thus lactic fermentation process also develop it is fast
Speed.The production technology of lactic acid bacteria requires strictly, not only to need constant temperature, constant humidity, also require the cleanliness of equipment to production environment
It is very high.Need to carry out lactic acid bacteria regular prosecution in zymotechnique, main prosecution project is amount of bacteria and suspended particulate number.
Prosecution for bacterial reproduction amount needs to be analyzed after sampling using special probe tube.It needs to use in checkout procedure
Probe tube, and existing probe tube usually can there is a situation where not enough result in the need for repeatedly aspirating sampling hair due to internal suction
It is raw, and splash phenomena occurs in the case where operation error, to largely effect on detection effect；The invention proposes a kind of lactic acid
Bacterium (LAB) detects probe tube.
Summary of the invention
In order to make up for the deficiencies of the prior art, in order to make up for the deficiencies of the prior art, the invention proposes a kind of lactic acid bacterias
(LAB) probe tube is detected, mating protection covers work while by the way that probe tube bilayer to be arranged, to ensure that sampling front and back cream
The quality of sour bacterium sample.
The technical solution adopted by the present invention to solve the technical problems is: a kind of lactic acid bacteria (LAB) detection probe tube, including
Outer tube, piston rod and piston；The outer tube end is provided with suction inlet；Protective case is provided on the outside of the suction inlet；The work
The stopper rod other end is fixed with disk；The outer tube is equipped with inner tube；It is in close contact on the outside of said inner tube on the inside of outer tube, and interior
Pipe can move along the cavity that outer tube is provided under the promotion of piston rod；The piston is detachably arranged in piston
Boom end；The piston can slide along the cavity that internal tube is provided under the promotion of piston rod；The outer tube side
It is provided with opening；The opening inside pipeline and sampling bottle by being connected to.When work, lactic acid bacteria (lactic acid
Bacteria, LAB) be a kind of bacterium that fermentable carbohydrate can be utilized to generate a large amount of lactic acid general designation；This kind of bacterium exists
Distributed in nature is extremely wide, has species diversity abundant, includes at least 18 and belongs to, and more than totally 200 kinds；In addition to only a few,
Its overwhelming majority is all flora essential in human body and with important physiological function, is widely present in the enteron aisle of human body
In；Present people especially focus on health, therefore various sour milk beverages etc. emerge one after another in the market, but lactic acid bacteria needs
Follow national test stone to examine, need to use probe tube in checkout procedure, and existing probe tube can usually occur due to
Internal suction not enough results in the need for repeatedly aspirating the case where sampling, and generation splashing is existing in the case where operation error
As to largely effect on detection effect；Accordingly, the present invention is by the way that probe tube bilayer to be arranged, so that inside probe tube
Vacuum degree is promoted, and improves suction when sampling；Specifically, when needing to sample, push disk and the piston rod that is connected to sucking
It is moved at mouthful, since the friction between piston and inner tube wall is greater than the frictional force between outer wall of inner tube and outer tube wall,
Piston will drive inner ring and slide together along outer tube wall, can seal the opening of side in sliding process, outside inner tube reaches
When the bottom of pipe, one end of piston and inner tube is detached from this time, mobile to the other end of inner tube then along the inner wall of inner tube, thus
Gas in inner and outer tubes is all squeezed out in probe tube, ensure that whole vacuum degree；Then disk is pulled to be restored to it
Preceding position, internal suction can suck lactic acid bacteria sample at this time, and when piston is moved to inner pipe end, subsequent piston can band
Dynamic inner tube moves up together, so that opening is detached from the sealing of inner tube, lactic acid bacteria sample can be flowed into sampling bottle under the action of suction
In to complete the sampling of lactic acid bacteria sample；The present invention is by being divided into inner and outer tubes for probe tube, on the one hand to probe tube
When exhaust gas inside, it can guarantee the isolation inside sampling bottle using inner tube by the outer seal of tube, avoid dirty by dust in air magazine
Dye；Lactic acid bacteria sample, is slowly drawn into sampling bottle, protects by the cooperation that inner and outer tubes on the other hand can be utilized in sampling
Card is relatively isolated from inside sampling bottle during before and after sampling, improves the sampling quality of lactic acid bacteria.
Preferably, the protective case includes elastic collar and sealing-plug；The elastic collar is attached to the outer ring of suction inlet
On, the length of elastic collar is greater than the length of suction inlet；The sealing-plug is formed by being located at concentric three rotary tables, and circle
The diameter of platform successively successively successively decreases from right to left, is divided into right rotary table, middle rotary table and Zuo Yuantai from right to left；The right rotary table
It is inserted into suction inlet, the middle rotary table is inserted into elastic collar inner ring；It needs to keep inside probe tube during the front and back of sampling
Isolation, but when not in use, suction inlet director contacts with air long, contacted to be difficult to avoid that with the dust in air,
It is difficult to ensure that sample will not be affected when drawing lactic acid bacteria sample, therefore the present invention on suction inlet outer ring by covering then bullet
Sealing-plug, is then inserted into inside suction inlet by force, to be sealed to suction inlet, guarantees the sucking of probe tube by property lantern ring
Cleaning when mouth is placed, and then improve the quality of lactic acid bacteria sampling.
Preferably, one group of groove is evenly arranged on the elastic collar outer ring；Soft magnetic bodies are bonded in the groove；Institute
It states and is evenly equipped at least two groups fixed block on the outer ring of outer tube one end；The elastic collar can be socketed on the outside of fixed block；It is described
Inner tube is fixed with magnet ring close to one end of suction inlet；Magnetism is repelled each other between the magnet ring and soft magnetic bodies.When work, when need using
Successively sealing-plug and elastic collar are removed when probe tube, the elastic collar removed can be socketed on fixed block, thus a side
Face is lost caused by avoiding elastic collar from nowhere placing, and the soft magnetic bodies being arranged on another aspect outer ring can be with the magnet ring magnetic in inner tube
Property repel each other, and magnetic repulsion force is greater than friction between piston and inner tubal wall, on the one hand limits to inner tube, avoids inner pipe end
It hits and is damaged caused by inner end of the outer tube face, on the other hand when sucking lactic acid bacteria sample, magnetic repulsion force can accelerate inner tube and work
The speed returned is filled in, to improve sampling efficiency the case where not influencing sampling quality.
Preferably, the right rotary table diameter is greater than the internal diameter 1-2mm of suction inlet 4, and the middle rotary table diameter is greater than resilient sleeve
The internal diameter 2-3mm of ring；Right rotary table diameter is greater than the internal diameter 1-2mm of suction inlet 4, enables between sealing-plug and suction inlet more
Closely contact, thus realize stronger sealing, and middle rotary table diameter is greater than the internal diameter 2-3mm of elastic collar 51, enables to
It is interference fitted between sealing-plug and elastic collar, when it is desired to be used, staff pushes disk and piston mobile, by inside
Gas impact, easily sealing-plug can be taken out, while guaranteeing sealing-plug sealing effect, ensure that sealing-plug can
It is easily removed, reduces since the excessive sealing-plug of probe tube internal negative pressure is strongly sucked, to be difficult to the case where taking out, more
Further ensure the sampling quality of whole lactic acid bacteria.
Preferably, sliding slot is provided on the inside of the left rotary table and middle rotary table；On the middle rotary table and right rotary table outer ring
It is fixed with slip ring, middle rotary table is slided in the sliding slot inside left rotary table, right rotary table can be in the cunning inside middle rotary table
Sliding in slot；The card slot of corresponding sealing-plug is provided on the disk；The sealing-plug scale of construction is smaller, is not easy to look for again after being pulled out
It arrives, the present invention enables by corresponding sliding slot will be arranged between rotary table each inside sealing-plug and is not required to sealing-plug to be used
Be aligned on disk, then push successively push right rotary table, middle rotary table to slide on corresponding sliding slot so that middle rotary table and
Right rotary table is caught in just in the holding tank being provided on disk, completes the storage to sealing-plug, on the one hand so as to clean
After be used for multiple times, saved resource；On the other hand increase disk and the superimposed integral thickness of sealing-plug, be convenient for staff
Hold disk.
Preferably, at least two groups frictional layer is arranged at intervals on outer ring of the outer tube far from suction inlet one end；It is described to rub
Frictional force when wiping layer for increasing the hand holding outer tube of staff between outer tube；If staff's hand in sampling process
Holding caused by sliding is unstable, can largely effect on whole sampling process, thereby increases and it is possible to and cause maloperation to spray the lactic acid bacteria of sucking,
Therefore by increase frictional layer, be capable of increasing staff hand holding outer tube when and outer tube between frictional force, be convenient for work
Personnel grasp the stability of probe tube, reduce unexpected odds.
Beneficial effects of the present invention are as follows:
1. the present invention is by being divided into inner and outer tubes for probe tube, on the one hand when to probe tube exhaust gas inside, Neng Gouli
With inner tube by the outer seal of tube, guarantee the isolation inside sampling bottle, avoids being polluted by dust in air magazine；On the other hand it is sampling
When can utilize inner and outer tubes cooperation, slowly lactic acid bacteria sample is drawn into sampling bottle, guarantee the mistake before and after sampling
It is relatively isolated from inside sampling bottle in journey, improves the sampling quality of lactic acid bacteria.
2. the present invention is by setting fixed block and elastic collar cooperation, caused by the one hand avoiding elastic collar from nowhere placing
Lose, the soft magnetic bodies being arranged on another aspect outer ring can repel each other with the magnet ring magnetism in inner tube, and magnetic repulsion force be greater than piston with
Friction between inner tubal wall, on the one hand limits inner tube, avoids inner pipe end from hitting damage caused by inner end of the outer tube face, separately
On the one hand when sucking lactic acid bacteria sample, the speed that magnetic repulsion force can accelerate inner tube and piston returns, thus not influencing to take
The case where sample quality, improve sampling efficiency.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings.
Fig. 1 is stereoscopic schematic diagram of the invention；
Fig. 2 is interarea cross-sectional view of the invention；
Fig. 3 is state diagram when the invention works；
In figure: outer tube 1, piston rod 2, piston 3, suction inlet 4, protective case 5, elastic collar 51, sealing-plug 52, disk 6, interior
Pipe 7, sampling bottle 8, soft magnetic bodies 9, fixed block 10, magnet ring 11, sliding slot 12, frictional layer 13.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Specific embodiment is closed, the present invention is further explained.
As shown in Figure 1 to Figure 3, a kind of lactic acid bacteria (LAB) of the present invention detects probe tube, including outer tube 1, piston rod
2 and piston 3；1 end of outer tube is provided with suction inlet 4；Protective case 5 is provided on the outside of the suction inlet 4；The piston rod 2
The other end is fixed with disk 6；Inner tube 7 is equipped with inside the outer tube 1；The outside of said inner tube 7 be in close contact on the inside of outer tube 1, and
Inner tube 7 can move along the cavity that outer tube 1 is internally provided under the promotion of piston rod 2；The removably installation of piston 3
In 2 end of piston rod；The piston 3 can slide along the cavity that inner tube 7 is internally provided under the promotion of piston rod 2；Institute
It states 1 side of outer tube and is provided with opening；The opening inside pipeline and sampling bottle 8 by being connected to.When work, lactic acid bacteria (lactic
Acid bacteria, LAB) be a kind of bacterium that fermentable carbohydrate can be utilized to generate a large amount of lactic acid general designation；It is this kind of thin
Bacterium is extremely wide in distributed in nature, has species diversity abundant, includes at least 18 and belongs to, and more than totally 200 kinds；Except only a few
Outside, the overwhelming majority is all flora essential in human body and with important physiological function, is widely present in the intestines of human body
In road；Present people especially focus on health, therefore various sour milk beverages etc. emerge one after another in the market, but lactic acid bacteria needs
Follow national test stone to examine, need to use probe tube in checkout procedure, and existing probe tube can usually occur by
It not enough results in the need for repeatedly aspirating the case where sampling in internal suction, and generation splashing is existing in the case where operation error
As to largely effect on detection effect；Accordingly, the present invention is by the way that probe tube bilayer to be arranged, so that inside probe tube
Vacuum degree is promoted, and improves suction when sampling；Specifically, when needing to sample, push disk 6 and the piston rod 2 that is connected to suction
Friction mobile at entrance 4, being greater than between 1 inner wall of 7 outer wall of inner tube and outer tube due to the friction between 7 inner wall of piston 3 and inner tube
Power, therefore piston 3 will drive inner ring and slide together along 1 inner wall of outer tube, can seal the opening of side in sliding process, when interior
When pipe 7 reaches the bottom of outer tube 1, one end of piston 3 and inner tube 7 is detached from this time, then along inner tube 7 inner wall to inner tube 7
The other end is mobile, so that the gas in inner tube 7 and outer tube 1 all be squeezed out in probe tube, ensure that whole vacuum degree；Then
Position before pulling disk 6 to be restored to, internal suction can suck lactic acid bacteria sample at this time, when piston 3 is moved to inner tube 7
When end, subsequent piston 3 will drive inner tube 7 and move up together, so that opening is detached from the sealing of inner tube 7, it is newborn under the action of suction
Sour bacterium sample can be flowed into the sampling that lactic acid bacteria sample is completed in sampling bottle 8；The present invention is by being divided into inner tube 7 for probe tube
Outer tube 1 can be sealed using inner tube 7, be guaranteed inside sampling bottle 8 on the one hand when to probe tube exhaust gas inside with outer tube 1
Isolation avoids being polluted by dust in air magazine；On the other hand the cooperation of inner tube 7 and outer tube 1 can be utilized in sampling, slowly
Lactic acid bacteria sample is drawn into sampling bottle 8, guarantees to be relatively isolated from inside sampling bottle 8 during before and after sampling, improves cream
The sampling quality of sour bacterium.
The protective case 5 includes elastic collar 51 and sealing-plug 52；The elastic collar 51 is attached to the outer ring of suction inlet 4
On, the length of elastic collar 51 is greater than the length of suction inlet 4；The sealing-plug 52 is by being located at concentric three rotary table groups
At, and the diameter of rotary table successively successively successively decreases from right to left, is divided into right rotary table, middle rotary table and Zuo Yuantai from right to left；Institute
It states in right rotary table insertion suction inlet 4, the middle rotary table is inserted into 51 inner ring of elastic collar；It needs to keep during the front and back of sampling
Isolation inside probe tube, but when not in use, 4 director of suction inlet contacts with air long, thus be difficult to avoid that in air
Dust contact, be difficult to ensure that sample will not be affected when drawing lactic acid bacteria sample, therefore the present invention passes through outside suction inlet 4
Then elastic collar 51 are covered on circle, then sealing-plug 52 is inserted by force inside suction inlet 4, to carry out to suction inlet 4 close
Envelope guarantees the cleaning when suction inlet 4 of probe tube is placed, and then improves the quality of lactic acid bacteria sampling.
One group of groove is evenly arranged on 51 outer ring of elastic collar；Soft magnetic bodies 9 are bonded in the groove；It is described outer
At least two groups fixed block 10 is evenly equipped on the outer ring of 1 one end of pipe；The elastic collar 51 can be socketed in 10 outside of fixed block；Institute
It states inner tube 7 and is fixed with magnet ring 11 close to one end of suction inlet 4；Magnetism is repelled each other between the magnet ring 11 and soft magnetic bodies 9；When needs make
With successively sealing-plug 52 and elastic collar 51 is removed when probe tube, the elastic collar 51 removed can be socketed in fixed block 10
On, thus loss caused by the one hand avoiding elastic collar 51 from nowhere placing, the soft magnetic bodies 9 being arranged on another aspect outer ring understand with
11 magnetism of magnet ring in inner tube 7 is repelled each other, and magnetic repulsion force is greater than the friction between 7 wall of piston 3 and inner tube, on the one hand to inner tube 7
It is limited, 7 end of inner tube is avoided to hit damage caused by 1 inner face of outer tube, on the other hand when sucking lactic acid bacteria sample, magnetic
Property repulsion can accelerate the speed that inner tube 7 and piston 3 return, to improve sampling effect the case where not influencing sampling quality
Rate.
The right rotary table diameter is greater than the internal diameter 1-2mm of suction inlet 4, and the middle rotary table diameter is greater than the interior of elastic collar 51
Diameter 2-3mm；Right rotary table diameter is greater than the internal diameter 1-2mm of suction inlet 4, enables to more step up between sealing-plug 52 and suction inlet 4
Close contact, thus realize stronger sealing, and middle rotary table diameter is greater than the internal diameter 2-3mm of elastic collar 51, enables to close
It is interference fitted between blocking 52 and elastic collar 51, when it is desired to be used, staff pushes disk 6 and piston 3 mobile, by
Internal gas impact, sealing-plug 52 can easily be taken out, while guaranteeing 52 sealing effect of sealing-plug, ensure that close
Blocking 52 can be easily removed, and be reduced since the excessive sealing-plug 52 of probe tube internal negative pressure is strongly sucked, to be difficult to take out
The case where occur, further ensure that the sampling quality of whole lactic acid bacteria.
Sliding slot 12 is provided on the inside of the left rotary table and middle rotary table；It is fixed on the middle rotary table and right rotary table outer ring
Slip ring enables middle rotary table to slide in the sliding slot 12 inside left rotary table, and right rotary table can be in the sliding slot 12 inside middle rotary table
Interior sliding；The card slot of corresponding sealing-plug 52 is provided on the disk 6；52 scale of construction of sealing-plug is smaller, is not easy again after being pulled out
It finds, the present invention is by will be arranged corresponding sliding slot 12 between the 52 each rotary table in inside of sealing-plug, so that being not required to sealing to be used
Plug 52 can be aligned on disk 6, then push and right rotary table, middle rotary table is successively pushed to slide on corresponding sliding slot 12, thus
So that middle rotary table and right rotary table are caught in just in the holding tank being provided on disk 6, the storage to sealing-plug 52 is on the one hand completed,
So as to be used for multiple times after cleaning, resource has been saved；On the other hand make disk 6 and the superimposed integral thickness of sealing-plug 52
Increase, holds disk 6 convenient for staff.
At least two groups frictional layer 13 is arranged at intervals on the outer ring of the outer tube 1 far from 4 one end of suction inlet；The frictional layer
13 for increase staff hands holding outer tube 1 when and outer tube 1 between frictional force；If staff's hand in sampling process
Holding caused by sliding is unstable, can largely effect on whole sampling process, thereby increases and it is possible to and cause maloperation to spray the lactic acid bacteria of sucking,
Therefore by increase frictional layer 13, be capable of increasing staff hand holding outer tube 1 when and outer tube 1 between frictional force, be convenient for
Staff grasps the stability of probe tube, reduces unexpected odds.
When work, lactic acid bacteria (lactic acid bacteria, LAB) is that one kind can be produced using fermentable carbohydrate
The general designation of the bacterium of raw a large amount of lactic acid；This kind of bacterium is extremely wide in distributed in nature, has species diversity abundant, at least
Belong to comprising 18, more than totally 200 kinds；In addition to only a few, the overwhelming majority is all essential in human body and has important physiology
The flora of function, is widely present in the enteron aisle of human body；Present people especially focus on health, therefore various lactic acid in the market
Bacteria beverage etc. emerges one after another, but lactic acid bacteria needs to follow national test stone and examines, and needs to use sampling in checkout procedure
Pipe, and existing probe tube usually can there is a situation where not enough resulting in the need for repeatedly aspirating sampling due to internal suction,
And splash phenomena occurs in the case where operation error, to largely effect on detection effect；Accordingly, the present invention is by by probe tube
Bilayer setting improves suction when sampling so that the vacuum degree inside probe tube is promoted；Specifically, when needing to sample,
Push disk 6 with the piston rod 2 being connected to movement at suction inlet 4, since the friction between 7 inner wall of piston 3 and inner tube is greater than interior
Frictional force between 1 inner wall of 7 outer wall of pipe and outer tube, therefore piston 3 will drive inner ring and slide together along 1 inner wall of outer tube, slide
The opening of side can be sealed in the process, when inner tube 7 reaches the bottom of outer tube 1, one end of piston 3 and inner tube 7 is detached from this time,
It is mobile to the other end of inner tube 7 then along the inner wall of inner tube 7, so that the gas in inner tube 7 and outer tube 1 is all squeezed out sampling
In pipe, whole vacuum degree ensure that；Position before then disk 6 being pulled to be restored to, internal suction can be by lactic acid at this time
The sucking of bacterium sample, when piston 3 is moved to 7 end of inner tube, subsequent piston 3 will drive inner tube 7 and move up together, so that opening is detached from
The sealing of inner tube 7, lactic acid bacteria sample can be flowed into sampling bottle 8 to complete taking for lactic acid bacteria sample under the action of suction
Sample；The present invention is by being divided into inner tube 7 and outer tube 1 for probe tube, on the one hand when to probe tube exhaust gas inside, can utilize inner tube
7 seal outer tube 1, guarantee the isolation inside sampling bottle 8, avoid being polluted by dust in air magazine；On the other hand in sampling
Lactic acid bacteria sample, is slowly drawn into sampling bottle 8, guarantees the mistake before and after sampling by the cooperation that can utilize inner tube 7 and outer tube 1
It is relatively isolated from inside sampling bottle 8 in journey, improves the sampling quality of lactic acid bacteria.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (6)
1. a kind of lactic acid bacteria (LAB) detects probe tube, it is characterised in that: including outer tube (1), piston rod (2) and piston (3)；Institute
It states outer tube (1) end and is provided with suction inlet (4)；Protective case (5) are provided on the outside of the suction inlet (4)；The piston rod (2) is another
One end is fixed with disk (6)；Inner tube (7) are equipped with inside the outer tube (1)；It is close with outer tube (1) inside on the outside of said inner tube (7)
Contact, and inner tube (7) can move along the cavity that outer tube (1) is internally provided under the promotion of piston rod (2)；The piston
(3) it is detachably arranged in piston rod (2) end；The piston (3) can be under the promotion of piston rod (2) in inner tube (7)
Sliding in the cavity that portion is provided with；Outer tube (1) side is provided with opening；The opening passes through in pipeline and sampling bottle (8)
Portion's connection.
2. a kind of lactic acid bacteria (LAB) detects probe tube according to claim 1, it is characterised in that: the protective case (5) includes
Elastic collar (51) and sealing-plug (52)；The elastic collar (51) is attached on the outer ring of suction inlet (4), elastic collar (51)
Length be greater than suction inlet (4) length；The sealing-plug (52) is formed by being located at concentric three rotary tables, and rotary table
Diameter successively successively successively decreases from right to left, is divided into right rotary table, middle rotary table and Zuo Yuantai from right to left；The right rotary table insertion
In suction inlet (4), the middle rotary table is inserted into elastic collar (51) inner ring.
3. a kind of lactic acid bacteria (LAB) detects probe tube according to claim 2, it is characterised in that: the elastic collar (51)
One group of groove is evenly arranged on outer ring；Soft magnetic bodies (9) are bonded in the groove；On the outer ring of described outer tube (1) one end
It is furnished at least two groups fixed block (10)；The elastic collar (51) can be socketed on the outside of fixed block (10)；Said inner tube (7) is leaned on
One end of nearly suction inlet (4) is fixed with magnet ring (11)；Magnetism is repelled each other between the magnet ring (11) and soft magnetic bodies (9).
4. a kind of lactic acid bacteria (LAB) detects probe tube according to claim 2, it is characterised in that: the right rotary table diameter is big
In the internal diameter 1-2mm of suction inlet (4), the middle rotary table diameter is greater than the internal diameter 2-3mm of elastic collar (51).
5. a kind of lactic acid bacteria (LAB) detects probe tube according to claim 4, it is characterised in that: the left rotary table and middle circle
Sliding slot (12) are provided on the inside of platform；It is fixed with slip ring on the middle rotary table and right rotary table outer ring, middle rotary table is existed
Sliding in sliding slot (12) inside left rotary table, right rotary table being capable of the slidings in the sliding slot (12) inside middle rotary table；The disk (6)
On be provided with the card slots of corresponding sealing-plug (52).
6. a kind of lactic acid bacteria (LAB) detects probe tube according to claim 1, it is characterised in that: the outer tube (1) is far from suction
At least two groups frictional layer (13) are arranged at intervals on the outer ring of entrance (4) one end；The frictional layer (13) is for increasing work people
Frictional force when hand holding outer tube (1) of member between outer tube (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833493.XA CN110487597B (en) | 2019-09-04 | 2019-09-04 | Lactobacillus (LAB) detection sampling tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833493.XA CN110487597B (en) | 2019-09-04 | 2019-09-04 | Lactobacillus (LAB) detection sampling tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111205971A (en) * | 2020-04-22 | 2020-05-29 | 博奥生物集团有限公司 | Sampling tube |
| CN114231394A (en) * | 2021-11-27 | 2022-03-25 | 杨芳 | Lactobacillus (LAB) detection sampling tube |
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| CN111205971A (en) * | 2020-04-22 | 2020-05-29 | 博奥生物集团有限公司 | Sampling tube |
| CN111205971B (en) * | 2020-04-22 | 2020-07-31 | 博奥生物集团有限公司 | Sampling tube |
| CN114231394A (en) * | 2021-11-27 | 2022-03-25 | 杨芳 | Lactobacillus (LAB) detection sampling tube |
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