CN208427069U - Waterproof plug and its liquid-transfering gun - Google Patents
Waterproof plug and its liquid-transfering gun Download PDFInfo
- Publication number
- CN208427069U CN208427069U CN201821015282.2U CN201821015282U CN208427069U CN 208427069 U CN208427069 U CN 208427069U CN 201821015282 U CN201821015282 U CN 201821015282U CN 208427069 U CN208427069 U CN 208427069U
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- China
- Prior art keywords
- liquid
- transfering gun
- waterproof plug
- water barrier
- plug
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- 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.)
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Abstract
The utility model provides a kind of waterproof plug and its liquid-transfering gun, and the waterproof plug includes chock plug, retainer ring and water barrier, the chock plug inner hollow and in a circular table shape, and the water barrier is located at chock plug bottom inside；The retainer ring setting forms rounding mesa-shaped in chock plug bottom outside and with chock plug bottom；The water barrier is with several micropores and is after absorbing water in gelatinous material.Waterproof plug can effectively prevent the liquid in liquid-transfering gun pipette tips and flow backwards the problem polluted inside liquid-transfering gun, also avoids cross contamination bring from influencing, guarantees the precision and accuracy of liquid-transfering gun.
Description
Technical field
The utility model relates to the technical fields of Biochemistry Experiment apparatus, and in particular to a kind of waterproof plug and its liquid relief
Rifle.
Background technique
Liquid-transfering gun and liquid-transfering gun pipette tips are experiment common instruments, and conventional liquid-transfering gun pipette tips structure is simple, low in cost, are suitable for
It is used after high pressure sterilization.Pipettor use follows " slow inhale is put fastly " principle, can usually pollute to avoid liquid suck-back, but liquid relief
For rifle when slow release presses handle, raffinate may also be along pipette tips inner wall uplink, or even touches suction nozzle and connect mouth, when next time uses not
Only pipette tips is caused to pollute, also results in experiment sample pollution.It, can be by draws fluid liquid-transfering gun and liquid-transfering gun when imbibition overexerts
The joining place of pipette tips, even in liquid-transfering gun, joining place is the position of non-sterile processing or has been infected with other liquid, because
This, liquid can be contaminated, to influence the accuracy of experimental result.Liquid-transfering gun is in operation and placement process also often because of operation
It is improper, cause liquid, especially aqueous solution to enter in rifle, liquid-transfering gun is caused to damage, this is also the most common original of liquid-transfering gun damage
Cause.
CN201361552Y discloses a kind of antipollution liquid-transfering gun pipette tips, by adding one on the tube body of liquid-transfering gun pipette tips
A bending section keeps upper and lower two parts cone pipe not anti-pollution on same vertical line, and nearly upper end adds one of anti-pumpback bulge loop
Anti- pumpback.CN102921483A discloses a kind of liquid-transfering gun pipette tips with filter core, anti-pollution by filter core.CN203971972U
A kind of antipollution liquid-transfering gun pipette tips of patent announcement, by adding a cylindrical tegillum with holes in liquid-transfering gun pipette tips main body upper end
Son is anti-pollution.The technical solution of CN201361552Y, CN202162005U and CN102921483A are in terms of preventing liquid refluence
There is certain deficiency, there is certain limitation.
Utility model content
The purpose of the utility model is to provide a kind of waterproof plug and its liquid-transfering gun, simple process, assembling is simple, can be effective
It prevents the liquid in liquid-transfering gun pipette tips from flowing backwards the problem inside pollution liquid-transfering gun, cross contamination bring is also avoided to influence, guarantee
The precision and accuracy of liquid-transfering gun.
In order to solve the above-mentioned technical problem, the utility model the following technical schemes are provided:
On the one hand, the utility model provides a kind of waterproof plug, including chock plug, retainer ring and water barrier, in the chock plug inside
Empty and in a circular table shape, the water barrier is located at chock plug bottom inside；Retainer ring setting chock plug bottom outside and with chock plug bottom
Portion forms rounding mesa-shaped；The water barrier is with several micropores and is after absorbing water in gelatinous material.
Further, the water barrier passes through the first lower branch backing ring rest in chock plug bottom inside.
Further, the waterproof plug further includes filtration core, filtration core setting in chock plug bottom inside and setting with
There are empty slots between water barrier.
Further, the filtration core passes through the second lower branch backing ring rest in chock plug bottom inside.
Further, the distance of the neighboring of the retainer ring to inner periphery is not more than the wall that liquid-transfering gun suction nozzle connects mouth
It is thick.
Further, the chock plug is integrally formed with retainer ring.
Further, the water barrier is alginic acid cotton or alginic acid gauze.
Further, the chock plug is the softwares materials such as rubber or silica gel.
Further, the filtration core is multi-layered high-density glass layer.
On the one hand, the utility model provides a kind of liquid-transfering gun with waterproof plug, and the liquid-transfering gun successively wraps from top to bottom
Include liquid relief bar, suction nozzle connects mouth and liquid-transfering gun pipette tips；The suction nozzle connects and is provided with waterproof plug in mouth, in liquid-transfering gun pipette tips end
Elastic seal ring is arranged in side.
Compared with prior art, the utility model has the following beneficial effects:
1, a kind of waterproof plug provided by the utility model, the water barrier of setting are porous material, have water proof
It ventilates and is able to achieve the function of preventing pollution, liquid flows out the danger that may cause when also waterproof plug being avoided to abandon；Setting filtering
Pollutant in solution is obstructed in filter cartridge construction, effectively prevent water barrier contaminated by the function of core filtering solution
Function.Waterproof plug can prevent liquid-transfering gun, liquid-transfering gun pipette tips from carrying out the possibility of cross contamination, prevent when not installing liquid-transfering gun pipette tips
Outside moisture enters in liquid-transfering gun, it is ensured that experimental data it is accurate, avoid damage liquid-transfering gun.
2, bullet is arranged in a kind of liquid-transfering gun with waterproof plug provided by the utility model, the liquid-transfering gun pipette tips tip inside
Property sealing ring can clamp liquid-transfering gun suction nozzle as buffering and connect mouth, both can guarantee liquid-transfering gun pipette tips and suction nozzle connect the leakproofness of mouth,
Also the accuracy that can guarantee liquid absorption amount, effectively prevent falling off or leakage.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model waterproof plug side；
Fig. 2 is the structural schematic diagram in the utility model waterproof plug section；
Fig. 3 is the structural schematic diagram that the utility model waterproof plug is overlooked；
Fig. 4 is the partial structure diagram of liquid-transfering gun of the utility model with waterproof plug.
Specific embodiment
In order to be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, under
Face in conjunction with the embodiments and attached drawing the present invention will be further described, but be not intended to limit the scope of the present invention.
As shown in Figure 1-3, the utility model provides a kind of waterproof plug, including chock plug 1, retainer ring 2 and water barrier 3, the plug
First 1 inner hollow and in a circular table shape, the water barrier 3 is located at 1 bottom inside of chock plug；The retainer ring 2 is arranged outside 1 bottom of chock plug
Side and with 1 bottom of chock plug formed rounding mesa-shaped；The water barrier 3 is with several micropores and is after absorbing water in gelatinous material
Matter.The truncated cone-shaped structure of chock plug 1, conducive to the installation of waterproof plug, the rounding mesa-shaped structure that 1 bottom of chock plug is formed with retainer ring 2 can prevent
Only waterproof plug is fallen into inside liquid-transfering gun, and retainer ring protrusion also can effectively be avoided to influence the installation of liquid-transfering gun pipette tips.
Specifically, the water barrier 3 passes through the first lower branch backing ring rest in 1 bottom inside of chock plug.It avoids in pipetting processes
In fallen out of chock plug 1.
Specifically, the waterproof plug further includes filtration core 4, the filtration core 4 setting in 1 bottom inside of chock plug and setting with
There are empty slots between water barrier 3.Filtration core good air permeability under normal circumstances, once there is solution to enter waterproof plug, filtration core 4
Matrix in solution is kept here, empty slot has the effect of buffering to a certain extent, can avoid a small amount of water and enters water barrier 3.
Specifically, the filtration core 4 passes through the second lower branch backing ring rest in 1 bottom inside of chock plug.It avoids in pipetting processes
In fallen out of chock plug 1.
Specifically, the distance 9 of the neighboring of the retainer ring 2 to inner periphery is not more than the wall that liquid-transfering gun suction nozzle connects mouth 6
Thickness, the installation for preventing waterproof plug from falling into liquid-transfering gun and preventing waterproof plug from influencing liquid-transfering gun pipette tips.
Specifically, the chock plug 1 is integrally formed with retainer ring 2.
Specifically, the water barrier 3 is alginic acid cotton or alginic acid gauze.Good air permeability under normal circumstances, not shadow
Normal operating is rung, once there is water entrance, water barrier 3 water suction can form gel rapidly, close muzzle, prevent water from entering the body of a gun.
Specifically, the chock plug 1 is the softwares materials such as rubber or silica gel.Waterproof plug, will not as a kind of embedded design
The connection that suction nozzle connects mouth and liquid-transfering gun pipette tips is influenced, on leakproofness and mode of operation without influence.
Specifically, the filtration core 4 is multi-layered high-density glass layer.
A kind of waterproof plug provided by the utility model, the water barrier of setting is porous material, logical with water proof
Gas and being able to achieve prevents the function of pollution, and liquid flows out the danger that may cause when also waterproof plug being avoided to abandon；Filtration core is set
Pollutant in solution is obstructed in filter cartridge construction, effectively prevent the contaminated function of water barrier by the function of filtering solution
Energy.Waterproof plug can prevent liquid-transfering gun, liquid-transfering gun pipette tips carry out cross contamination possibility, it is ensured that experimental data it is accurate.
As shown in figure 4, the utility model provides a kind of liquid-transfering gun with waterproof plug, the liquid-transfering gun is from top to bottom successively
Mouth 6 and liquid-transfering gun pipette tips 7 are connect including liquid relief bar 5, suction nozzle；The suction nozzle connects and is provided with waterproof plug in mouth 6, the liquid-transfering gun pipette tips
Elastic seal ring 8 is arranged in 7 tip insides.
A kind of liquid-transfering gun with waterproof plug provided by the utility model, the liquid-transfering gun pipette tips tip inside setting elasticity
Sealing ring can clamp liquid-transfering gun suction nozzle and connect mouth as buffering, both can guarantee that liquid-transfering gun pipette tips and suction nozzle connect the leakproofness of mouth,
The accuracy that can guarantee liquid absorption amount, effectively prevent falling off or leakage.
In use, liquid-transfering gun suction nozzle, which is connect mouth 6, is directed at waterproof plug front, enter 1 top of waterproof plug chock plug by pressing
Suction nozzle connects in mouth 6, and retainer ring 2 is stuck in suction nozzle and connects 6 end of mouth, since the distance 9 of 2 neighboring of retainer ring to inner periphery is no more than shifting
Liquid rifle suction nozzle connects 6 wall thickness of mouth and chock plug 1 is in a circular table shape, is not in that waterproof plug is fallen into liquid-transfering gun or the retainer ring 2 of waterproof plug is convex
The problem of liquid-transfering gun pipette tips 7 are installed is influenced out.Liquid-transfering gun pipette tips 7 are mounted on the outside that suction nozzle connects mouth 6, due to elastic seal ring
8 are bonded the shape that suction nozzle connects mouth 6 and retainer ring 2 completely, therefore leakproofness is strong.In the course of normal operation of liquid-transfering gun, filtration core 4
Effect is not generated, does not influence liquid relief, water barrier nor affects on liquid relief for porous breathable structure, once there is solution to enter waterproof plug,
Filtration core 4 stays in the matrix in solution in filtration core 4, and the water suction of water barrier 3 quickly forms gel, closes muzzle, prevents liquid
It travels further into liquid relief bar 5.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above, current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention, the utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (10)
1. a kind of waterproof plug, which is characterized in that including chock plug, retainer ring and water barrier, the chock plug inner hollow and in a circular table shape,
The water barrier is located at chock plug bottom inside；The retainer ring setting forms inverted round stage in chock plug bottom outside and with chock plug bottom
Shape；The water barrier is with several micropores and is after absorbing water in gelatinous material.
2. waterproof plug according to claim 1, which is characterized in that the water barrier passes through the first lower branch backing ring rest and fills in
Head bottom inside.
3. waterproof plug according to claim 1, which is characterized in that the waterproof plug further includes filtration core, the filtration core
There are empty slots between chock plug bottom inside and setting and water barrier for setting.
4. waterproof plug according to claim 3, which is characterized in that the filtration core passes through the second lower branch backing ring rest and fills in
Head bottom inside.
5. waterproof plug according to claim 1, which is characterized in that the distance of the neighboring of the retainer ring to inner periphery
No more than the wall thickness that liquid-transfering gun suction nozzle connects mouth.
6. waterproof plug according to claim 1, which is characterized in that the chock plug is integrally formed with retainer ring.
7. waterproof plug according to claim 1, which is characterized in that the water barrier is alginic acid cotton or alginic acid gauze.
8. waterproof plug according to claim 1, which is characterized in that the chock plug is rubber or silica gel.
9. waterproof plug according to claim 3, which is characterized in that the filtration core is multi-layered high-density glass layer.
10. a kind of liquid-transfering gun with any waterproof plug of claim 1~9, which is characterized in that the liquid-transfering gun from up to
Under successively include that liquid relief bar, suction nozzle connect mouth and liquid-transfering gun pipette tips；The suction nozzle connects and is provided with waterproof plug in mouth, the liquid-transfering gun rifle
Elastic seal ring is set on the inside of cephalic par.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821015282.2U CN208427069U (en) | 2018-06-29 | 2018-06-29 | Waterproof plug and its liquid-transfering gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821015282.2U CN208427069U (en) | 2018-06-29 | 2018-06-29 | Waterproof plug and its liquid-transfering gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208427069U true CN208427069U (en) | 2019-01-25 |
Family
ID=65098283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821015282.2U Expired - Fee Related CN208427069U (en) | 2018-06-29 | 2018-06-29 | Waterproof plug and its liquid-transfering gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208427069U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038658A (en) * | 2019-04-24 | 2019-07-23 | 杭州师范大学 | Enter formula bacteriological filtration plug in a kind of liquid relief muzzle |
| CN112517097A (en) * | 2020-12-01 | 2021-03-19 | 夏季 | Micro liquid transfer device |
-
2018
- 2018-06-29 CN CN201821015282.2U patent/CN208427069U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110038658A (en) * | 2019-04-24 | 2019-07-23 | 杭州师范大学 | Enter formula bacteriological filtration plug in a kind of liquid relief muzzle |
| CN112517097A (en) * | 2020-12-01 | 2021-03-19 | 夏季 | Micro liquid transfer 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: 20190125 Termination date: 20190629 |