CN206404799U - Solution delivery safety lid and reagent bottle - Google Patents
Solution delivery safety lid and reagent bottle Download PDFInfo
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- CN206404799U CN206404799U CN201621406047.9U CN201621406047U CN206404799U CN 206404799 U CN206404799 U CN 206404799U CN 201621406047 U CN201621406047 U CN 201621406047U CN 206404799 U CN206404799 U CN 206404799U
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- Prior art keywords
- reagent bottle
- control valve
- filter
- solution delivery
- delivery safety
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Abstract
The utility model is related to a kind of solution delivery safety lid, including body and filter, filter includes connecting portion, is connected to the filter house and filter membrane of connecting portion one end, the other end sealing of connecting portion is coupled to body, filter house has a cavity, filter membrane is arranged at cavity, filter also includes insertion connecting portion and filter house, passage for connecting reagent bottle opening and cavity, one end of passage connection cavity is additionally provided with control valve, control valve is check valve, is opened for compensating during air pressure in reagent bottle.In this way, during suction reagent, it is ensured that the stable gas pressure in reagent bottle, the smoothness of the solvent delivery in reagent bottle is improved.In addition, setting filter membrane by the cavity in filter house, air-flow is set to first pass around filtering, then enter by control valve in reagent bottle, it is to avoid the reagent in reagent bottle is contaminated.A kind of reagent bottle is also provided.
Description
Technical field
The utility model is related to chemical experiment utensil, more particularly to a kind of solution delivery safety lid and reagent bottle.
Background technology
With the development of constantly bringing forth new ideas of science and technology, the laboratory for chemical technology research and development test is more and more.Entering
During row chemical experiment, it is often necessary to add chemical reagent into test tube and chemically reacted, at present, chemistry is added in chemical experiment
The method of reagent is mainly added using dropper or buret, its in operation, the organic solvent of extraction is usual
It is concentration height, the liquid of high volatility.In extraction process, organic solvent volatilizes pernicious gas out of reagent bottle and is discharged into sky
In gas, the physical and mental health to experimenter is impacted.
To solve the problem, the sealing of bottle cap can be increased, but sealing is higher easily occurs occurring negative pressure in reagent bottle,
It is difficult to delivery of therapeutic agents outward after reagent output, causes reagent bottle to deform or rupture when serious.In addition, to prevent organic solvent to reality
The personnel physical and mental health of testing is impacted, and most of chemical laboratory is further equipped with the auxiliary equipments such as air-conditioning or air cleaning facility
Remove indoor harmful gas.But the processing mode of this " first polluting, post-process ", it is impossible to which removing or exclude in time has harmful gas
The air of body, the still physical and mental health to experimenter have a negative impact.
Utility model content
It is necessary that the organic solvent being directed in traditional reagent bottle is volatile, influence experimenter is physically and mentally healthy, and reagent
Convey slack problem prevents organic volatile material to be discharged into air there is provided one kind, and ensures the molten of the smooth conveying of reagent
Liquid delivery safety lid and reagent bottle.
A kind of solution delivery safety lid, is installed in reagent bottle, and the solution delivery safety lid includes body and filter, institute
The opening that body sealing is coupled to the reagent bottle is stated, the filter includes connecting portion, is connected to described connecting portion one end
Filter house and filter membrane, the other end sealing of the connecting portion are coupled to the body, and the filter house has a cavity, described
Filter membrane is arranged at the cavity, and the filter also includes connecting portion described in insertion and the filter house, described for connecting
The passage of reagent bottle opening and the cavity, one end that the passage connects the cavity is additionally provided with control valve, the control
Valve processed is check valve, is opened during for compensating air pressure in the reagent bottle.
In a wherein embodiment, the control valve includes opening and locking states, the gas in the reagent bottle
Pressure is less than preset pressure value, and the control valve is in opening, for compensating the air pressure in the reagent bottle；
When the air pressure in the reagent bottle is more than or equal to the preset pressure value, the control valve is in locking states.
In a wherein embodiment, the control valve has a flexibility, and including distally, near-end and therebetween extend
Inlet channel, the distal end is located at the cavity, described to be proximally located at the passage, and is configured to have the response examination
Negative pressure in agent bottle and the gap that is turned on and off.
In a wherein embodiment, the near-end of the control valve includes two alar parts extended along passage, described in two
Alar part is oppositely arranged, and is configured to normally closed, and forms the gap when responding negative pressure in the reagent bottle.
In a wherein embodiment, the distal end of the control valve is along the ventilation bore edges towards the axle away from the passage
Line direction extends, to provide support for the control valve.
In a wherein embodiment, the outside dimension of the control valve is slightly larger than the internal diameter size of the passage.
In a wherein embodiment, the filter also includes case, and the case is installed in the filter house, and is located at
The filter membrane side, and offer the air-vent for air inlet.
In a wherein embodiment, the solution delivery safety lid also includes the transfusion tube joint for being used to connect woven hose,
The body is further opened with connecting the connecting hole of the reagent bottle opening, and the transfusion tube joint is threadedly connected to the connection
Hole.
In a wherein embodiment, the end that the transfusion tube joint is located at the connecting hole circumferentially has substantially in circle
The contraction front of taper, the connecting hole inwall has the mating surface that is in contact with the contraction front, the shape of the mating surface with
The shape of the contraction front matches.
In a wherein embodiment, the body includes block and lid, and the solution delivery safety lid also includes first
Sealing ring, the lid is circumferentially with first annular groove along it, and first sealing ring is embedded at the first annular groove, described
Circumferentially it is additionally provided with fitting projection at the opening of block, the lid circumferentially-spaced in the first annular groove is additionally provided with along its
Second ring groove, the fitting projection is embedded in second annular groove, and the lid is connected as one with the block.
A kind of reagent bottle, including bottle and such as above-mentioned solution delivery safety lid, the bottle top offers opening, described
Solution delivery safety lid is installed at the opening.
The opening sealing mating of above-mentioned solution delivery safety lid and reagent bottle, solution delivery safety lid and reagent bottle, then exist
During woven hose suction reagent, negative pressure is produced in reagent bottle, by setting control valve, is opened when compensating air pressure in reagent bottle
Open.In this way, during suction reagent, it is ensured that the stable gas pressure in reagent bottle, the suitable of solvent delivery in reagent bottle is improved
Smooth property.In addition, setting filter membrane by the cavity in filter house, air-flow is set to first pass around filtering, then enter examination by control valve
In agent bottle, it is to avoid the reagent in reagent bottle is contaminated.
Brief description of the drawings
Fig. 1 be the embodiment of the utility model one in infusion safety lid structural representation；
Fig. 2 is the profile of infusion safety lid as shown in Figure 1；
Fig. 3 is the partial enlarged drawing at the A of infusion safety lid as shown in Figure 2.
Embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
State.Preferred embodiment of the present utility model is given in accompanying drawing.But, the utility model can come real in many different forms
It is existing, however it is not limited to embodiment described herein.On the contrary, the purpose for providing these embodiments is made to public affairs of the present utility model
The understanding for opening content is more thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model
The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include
The arbitrary and all combination of one or more related Listed Items.
As shown in Figures 1 and 2, the solution delivery safety lid 10 in the embodiment of the utility model one, is installed in reagent bottle
Opening, the solution delivery safety lid 10 include body 12 and filter 14.
The body 12 seals the opening for being coupled to reagent bottle, and the filter 14 includes connecting portion 142, is connected to connecting portion
The filter house 144 and filter membrane 146 of 142 one end.The other end sealing of the connecting portion 142 is coupled to body 12, the filter house 144
With a cavity 1442, the filter membrane 146 is arranged at cavity 1442, and the filter 14 also includes insertion connecting portion 142 and filtering
Portion 144, the passage 148 for connecting reagent bottle opening and cavity 1442, one end of the passage 148 connection cavity 1442 is also
Provided with control valve 149.
Wherein, the solution delivery safety lid 10 also includes the transfusion tube joint 16 for being used to connect woven hose, and the body 12 is also
The connecting hole 122 of connection reagent bottle opening is offered, the transfusion tube joint 16 is threadedly connected to connecting hole 122.In chemical experiment
In, woven hose is arranged in transfusion tube joint 16, and stretches into reagent bottle, to aspirate the reagent in reagent bottle.
It should be appreciated that being coupled because the opening of solution delivery safety lid 10 and reagent bottle is sealed, then taken out in woven hose
During inhaling reagent, negative pressure is produced in reagent bottle, i.e., less than external atmospheric pressure.Control valve 149 in the utility model is
Check valve, is opened, so for compensating during air pressure in reagent bottle, it is ensured that the stable gas pressure in reagent bottle, is improved in reagent bottle
Solvent delivery smoothness.
That is, during woven hose suction reagent, negative pressure being produced in reagent bottle, refers to the pressure in reagent bottle
Less than the pressure of the solvent vapor liquid equilibrium in reagent bottle, so that the reagent in reagent bottle can not be smooth, or even can not be from reagent
Exported in bottle.And control valve 149 is opened, then the pressure in reagent bottle is compensate for, reagent is smoothly exported.
Specific in an embodiment, the control valve 149 includes opening and locking states, when the gas in reagent bottle
Pressure is less than preset pressure value, and control valve 149 is in opening, for compensating the air pressure in reagent bottle.When the gas in reagent bottle
Pressure is more than or equal to preset pressure value, and control valve 149 is in locking states.That is, aspirate reagent during reagent
Atmospheric pressure value in bottle reaches above-mentioned condition, and control valve 149 is opened, and stops suction reagent, and atmospheric pressure value is more than or equal to foregoing pre-
If atmospheric pressure value, then the locking of control valve 149.
Wherein, the filter membrane 146 is arranged at cavity 1442, air-flow is first passed around filtering, then enter by control valve 149
In reagent bottle, it is to avoid the reagent in reagent bottle is contaminated.Specifically, the filter membrane 146 is micropore filtering film 146, for preventing
Small particle dust, moisture in air enter in bottle, maintain reagent purity in reagent bottle constant.
Preferably, also referring to Fig. 3, the control valve 149 is fabricated from a flexible material, such as rubber or synthetic elastic material
Or it is combined, the control valve 149 includes distal end 1491, near-end 1493 and the inlet channel 1492 extended therebetween, and this is remote
End 1491 is located in the cavity 1442 of filter house 144, and the near-end 1493 is located in passage 148, and is configured to have accordingly
Negative pressure in reagent bottle and the gap being turned on and off.
In the present embodiment, the near-end 1493 of the control valve 149 includes two alar parts 1494 extended along passage 148, two
Individual alar part 1494 is oppositely arranged, and be configured to it is normally closed, and respond reagent bottle in negative pressure when form the gap.Namely
Say, when producing negative pressure in reagent bottle, then in the presence of external atmosphere pressure, two alar parts 1494 are strutted, so as to form ventable stream
Gap.Specific in an embodiment, the alar part 1494 is in duckbill, i.e., in the laminated structure similar to duckbilled.
Wherein, the distal end 1491 of the control valve 149 is prolonged along the edge of passage 148 towards the axis direction away from passage 148
Stretch, to provide support for control valve 149.That is, the distal end 1491 of control valve 149 forms a flange, control valve 149 is set to exist
The axial limiting of passage 148.It should be appreciated that the radial dimension of the control valve 149 is slightly larger than the internal diameter of passage 148
Size, because control valve 149 is fabricated from a flexible material, then when control valve 149 is installed in passage 148, its outer wall is closely against logical
The inwall of stomata 148, so as to realize good sealing.
In the present embodiment, the cavity 1442 of the filter house 144 is in inverted cone shape, and the filter membrane 146 covers at the cavity 1442,
In this way, making outside air first pass around filter membrane 146, cavity 1442 is entered back into, then enter in reagent bottle by control valve 149.
Due in aspiration procedure, negative pressure is produced in reagent bottle, then air-flow is poured in cavity 1442, to ensure that the air pressure in reagent bottle is steady
Fixed, then the throughput that control valve 149 is allowed access into is difficult excessive.Cavity 1442 is in inverted cone shape, can accommodate the air-flow of certain volume,
Cushioning effect can be played, and the air pressure in cavity 1442 is maintained at certain difference with ambient pressure, it is ensured that enters reagent bottle
Interior air-flow is at the uniform velocity and flow is controllable.
Further, to ensure that it is excessive that the air-flow for entering filter 14 is difficult, and larger diameter or larger particles are prevented
Pollutant enters filter 14, filter membrane 146 is played good filtration, and the filter 14 also includes case 141, should
Case 141 is installed in filter house 144, and positioned at the side of filter membrane 146, and offer the air-vent 1412 for air inlet.Specifically
Into the present embodiment, the center of the case 141 offers an air-vent 1412, certainly, in other embodiments, and this is breathed freely
Depending on the quantity and diameter in hole 1412 can be according to actual conditions, it is not limited thereto.
In the present embodiment, the body 12 includes circumferentially being additionally provided with block 124 and lid 126, the opening of the block 124
Fitting projection, the lid 126 has been provided at circumferentially spaced the second annular groove along it, and the fitting projection is embedded in second annular groove,
So that lid 126 to be connected as one with block 124.In this way, by the cooperation of fitting projection and the second annular groove, by lid 126
It is coupled to block 124.
Wherein, the block 124 sealing is coupled at the opening of reagent bottle, and the block 124 is respectively provided with elasticity with lid 126,
The radial dimension of the opening of the reagent bottle is slightly less than the radial dimension of the gabarit of block 124, block 124 is stablized and with good
The opening for being coupled to reagent bottle of good sealing.The block 124 be both ends open shell-like structure, the lid 126 removably,
And the upper end open of block 124 is hermetically coupled to, the lower ending opening of block 124 is located in reagent bottle.
Specifically, the lid 126 is formed with stage portion (figure is not marked), and second annular groove is arranged at the perpendicular of the stage portion
To step surface, when fitting projection is embedded in the second annular groove, the horizontal stand terrace of stage portion is connected to the lower surface of fitting projection.
In this way, volatilization organic gas need to pass through between the lower surface of fitting projection and the horizontal stand terrace of stage portion, the end of fitting projection
Discharged between face and the side wall of the second annular groove, and between the upper surface of fitting projection and the upper wall of the second annular groove.Due to
It is fitted close between three groups of above-mentioned mating surfaces, it is ensured that the sealing between block 124 and lid 126.
Further, to ensure the sealing between lid 126 and block 124, the solution delivery safety lid 10 also includes
First sealing ring 18, the lid 126 is circumferentially with first annular groove 1262 along it, and the first annular groove 1262 is interval in the second ring
Shape groove is set, and positioned at the position of the one end for the opening that reagent bottle is stretched into close to lid 126.First sealing ring 18 located at this
In one annular groove 1262, and the side wall of the inner chamber of block is connected to, so as to further realize sealing.
It should be appreciated that the lid 126 and block 124 are flexible, it is high polymer material injection molding, works as block
124 are extruded by the inwall of inlet opening, the first sealing ring 18 is closely against the inner chamber of block 124, so as to ensure that good
Sealing.
It is understood that in the present embodiment, the lid 126 removably seals mating with block 124, some other
In embodiment, the lid 126 can be also integrally formed with block 124, be not limited thereto.
In the present embodiment, the connecting hole 122 is opened in lid 126, and the lid 126 is further opened with the peace through lid 126
Hole (not shown) is filled, the mounting hole connects reagent bottle opening with connecting hole 122, the mounting hole is used for the connection with filter 14
Portion 142 is coupled, and the connecting hole 122 is used to be coupled with transfusion tube joint 16.Specifically, the connecting portion 142 is cylindrical, the installation
The radial dimension in hole is more than the radial dimension for the connecting hole 122 for being used to install transfusion tube joint 16, and part is provided with internal thread, should
Connecting portion 142 is threadedly connected to the mounting hole.
Wherein, the part of connecting hole 122 is provided with internal thread, and the transfusion tube joint 16 is threadedly connected in connecting hole 122.Should
The end that transfusion tube joint 16 is located at connecting hole 122 circumferentially has substantially in coniform contraction front, the inwall of connecting hole 122
With the mating surface being in contact with contraction front, the shape of the mating surface and the shape of contraction front match.In this way, being connect in woven hose
First 16 when being tightened in connecting hole 122, and the taper contraction front of transfusion tube joint 16 is tightened up by mating surface, so that through transfusion
The woven hose of pipe joint 16 is fastened, so as to prevent the junction gas leakage of woven hose and transfusion tube joint 16.
It is pointed out that in the present embodiment, the transfusion tube joint 16 includes one, in some other embodiment, should
Transfusion tube joint 16 or multiple, is not limited thereto.
Based on above-mentioned solution delivery safety lid 10, the utility model also provides a kind of reagent bottle, and the reagent bottle includes bottle
Body and above-mentioned solution delivery safety lid 10, the bottle top offer opening, and the solution delivery safety lid 10 is installed in this and opened
At mouthful.
Above-mentioned solution delivery safety lid 10 and reagent bottle, the opening sealing of solution delivery safety lid 10 and reagent bottle are coupled,
Then during woven hose suction reagent, negative pressure is produced in reagent bottle, by being set to the control valve 149 of check valve, is being mended
Opened when repaying air pressure in reagent bottle.In this way, during suction reagent, it is ensured that the stable gas pressure in reagent bottle, reagent is improved
The smoothness of solvent delivery in bottle.In addition, setting filter membrane 146 by the cavity 1442 in filter house 144, make air-flow first
Enter by filtering, then by control valve 149 in reagent bottle, it is to avoid the reagent in reagent bottle is contaminated.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed,
But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of solution delivery safety lid, is installed in reagent bottle, it is characterised in that the solution delivery safety lid include body and
Filter, the body sealing is coupled to the opening of the reagent bottle, and the filter includes connecting portion, is connected to the connection
The filter house and filter membrane of portion one end, the other end sealing of the connecting portion are coupled to the body, and the filter house has one
Cavity, the filter membrane is arranged at the cavity, and the filter also includes connecting portion described in insertion and the filter house, is used for
The passage of the reagent bottle opening and the cavity is connected, one end that the passage connects the cavity is additionally provided with control
Valve, the control valve is check valve, is opened during for compensating air pressure in the reagent bottle.
2. solution delivery safety lid according to claim 1, it is characterised in that the control valve includes opening and lock
Closed state, when the air pressure in the reagent bottle is less than preset pressure value, the control valve is in opening, described for compensating
Air pressure in reagent bottle；
When the air pressure in the reagent bottle is more than or equal to the preset pressure value, the control valve is in locking states.
3. solution delivery safety lid according to claim 1, it is characterised in that the control valve has a flexibility, and including
Distally, near-end and the inlet channel extended therebetween, the distal end are located at the cavity, described to be proximally located at the ventilation
Hole, and be configured to the gap for responding negative pressure in the reagent bottle and being turned on and off.
4. solution delivery safety lid according to claim 3, it is characterised in that the near-end of the control valve includes two edges
The alar part of passage extension, two alar parts are oppositely arranged, and are configured to normally closed, and are responding negative pressure in the reagent bottle
When form the gap.
5. solution delivery safety lid according to claim 3, it is characterised in that the distal end of the control valve is along the ventilation
Bore edges extend towards the axis direction away from the passage, to provide support for the control valve.
6. solution delivery safety lid according to claim 1, it is characterised in that the filter also includes case, described
Case is installed in the filter house, and positioned at the filter membrane side, and offer the air-vent for air inlet.
7. the solution delivery safety lid according to claim 1~6 any one, it is characterised in that the solution conveying peace
Full lid also includes the transfusion tube joint for being used to connect woven hose, and the body is further opened with connecting the connection of the reagent bottle opening
Hole, the transfusion tube joint is threadedly connected to the connecting hole.
8. solution delivery safety lid according to claim 7, it is characterised in that the transfusion tube joint is located at the connection
It is substantially in coniform contraction front that the end in hole, which circumferentially has, and the connecting hole inwall has what is be in contact with the contraction front
Mating surface, the shape of the shape of the mating surface and the contraction front matches.
9. the solution delivery safety lid according to claim 1~6 any one, it is characterised in that the body includes lid
Cap and lid, the solution delivery safety lid also include the first sealing ring, and the lid is circumferentially with first annular groove, institute along it
State the first sealing ring and be embedded at the first annular groove, the opening of the block and be circumferentially additionally provided with fitting projection, the lid
Body along its it is circumferentially-spaced in the first annular groove be additionally provided with the second annular groove, fitting projection insertion second annular
Groove, the lid is connected as one with the block.
10. a kind of reagent bottle, it is characterised in that the solution delivery safety including bottle and as described in claim 1~9 any one
Lid, the bottle top offers opening, and the solution delivery safety lid is installed at the opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406047.9U CN206404799U (en) | 2016-12-20 | 2016-12-20 | Solution delivery safety lid and reagent bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621406047.9U CN206404799U (en) | 2016-12-20 | 2016-12-20 | Solution delivery safety lid and reagent bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206404799U true CN206404799U (en) | 2017-08-15 |
Family
ID=59550274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621406047.9U Active CN206404799U (en) | 2016-12-20 | 2016-12-20 | Solution delivery safety lid and reagent bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206404799U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475162A (en) * | 2016-12-20 | 2017-03-08 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Solution delivery safety lid and reagent bottle |
| CN112156820A (en) * | 2020-08-28 | 2021-01-01 | 江苏福维健康科技有限公司 | Dropper with accurate metering function and using method thereof |
-
2016
- 2016-12-20 CN CN201621406047.9U patent/CN206404799U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475162A (en) * | 2016-12-20 | 2017-03-08 | 广东顺德工业设计研究院(广东顺德创新设计研究院) | Solution delivery safety lid and reagent bottle |
| CN112156820A (en) * | 2020-08-28 | 2021-01-01 | 江苏福维健康科技有限公司 | Dropper with accurate metering function and using method thereof |
| CN112156820B (en) * | 2020-08-28 | 2022-01-07 | 江苏福维健康科技有限公司 | Dropper with accurate metering function and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191021 Address after: Longgang District of Shenzhen City, Guangdong province 518116 Longgang Tongle community under the banyan village, on the third floor of the two on the left Patentee after: Miraclean Technology Co., Ltd. Address before: 528300 Guangdong City, Shunde Province, Beijiao Town, Guangdong industrial design city design Plaza, B2 District, the two floor of the three floor Patentee before: Guangdong Shunde Institute of Industrial Design (Guangdong Shunde Institute of Innovative Design) |
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| TR01 | Transfer of patent right |