CN205832303U - A kind of liquid medicine filter - Google Patents
A kind of liquid medicine filter Download PDFInfo
- Publication number
- CN205832303U CN205832303U CN201620437146.7U CN201620437146U CN205832303U CN 205832303 U CN205832303 U CN 205832303U CN 201620437146 U CN201620437146 U CN 201620437146U CN 205832303 U CN205832303 U CN 205832303U
- Authority
- CN
- China
- Prior art keywords
- sidewall
- conehead
- sealing gasket
- connecting tube
- endoporus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003814 drug Substances 0.000 title claims abstract description 48
- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 241001149930 Protura <class> Species 0.000 claims abstract description 54
- 239000012528 membrane Substances 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000004695 Polyether sulfone Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004531 microgranule Substances 0.000 description 2
- 229920006393 polyether sulfone Polymers 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
nullThis utility model provides a kind of liquid medicine filter，Including upper shell and lower house，Filter membrane it is provided with between upper shell and lower house，Described upper shell includes the axis upper connecting tube on same straight line、Upper conehead and upper cylinder，Described upper conehead is truncated cone sidewall，The small end of upper conehead is connected with upper connecting tube，The big end of upper conehead is connected with upper cylindrical one end，Described lower house includes the axis lower connecting tube on same straight line、Lower conehead and lower cylinder，Lower conehead is truncated cone sidewall，The big end of lower conehead is connected with lower cylinder，The small end of lower conehead is connected with lower connecting tube，Under cylindrical internal diameter match with upper cylindrical external diameter and the upper cylindrical other end inserts inside lower cylinder，Filter membrane is positioned at cylindrical other end end，Described upper conehead is provided with medicine feeding hole，It is provided with sealing gasket in described medicine feeding hole.The beneficial effects of the utility model are simple in construction, and production cost is low, and has medicine feeding hole.
Description
Technical field
This utility model belongs to medical instruments field, especially relates to be provided with a kind of liquid medicine filter of medicine feeding hole.
Background technology
Liquid medicine filter is made up of housing, filter membrane.Use N66 (nylon), PES (polyether sulfone), MCE (composite fibre
Element), the material manufacture such as PTFE (politef), PVDF (polyvinylidene fluoride).Can be precision liquid medicine filter, air filtration
Device.Precision liquid medicine filter filters the rejection rate of more than 5um microgranule in medicinal liquid and is not less than 90%.Air filter filters in air
The rejection rate of more than 0.5um microgranule is not less than 90%.
It is not provided with at existing technology herb liquid filter and is directly provided with medicine feeding hole, need to be additionally provided with chemicals dosing plant,
There is structure complicated, part processing difficulties, the technical problems such as production cost is high.
Summary of the invention
It is low and have the medical filtration of medicine charging function that the purpose of this utility model is to provide a kind of simple in construction, production cost
Device, in being particularly suitable for application to rescue.
The technical solution of the utility model is: a kind of liquid medicine filter, including upper shell and lower house, upper shell and lower casing
Be provided with filter membrane between body, described upper shell include the axis upper connecting tube on same straight line, on conehead and upper cylinder,
Described upper conehead is truncated cone sidewall, and the small end of upper conehead is connected with upper connecting tube, big end and the upper cylinder of upper conehead
One end be connected, described lower house includes the axis lower connecting tube on same straight line, lower conehead and lower cylinder, lower cone
Head is truncated cone sidewall, and the big end of lower conehead is connected with lower cylinder, and the small end of lower conehead is connected with lower connecting tube, under
Cylindrical internal diameter matches with upper cylindrical external diameter and the upper cylindrical other end inserts inside lower cylinder, filter membrane position
In upper cylindrical other end end, described upper conehead is provided with medicine feeding hole, is provided with sealing gasket in described medicine feeding hole.
This utility model medicine feeding hole is set directly on upper conehead, and medicinal liquid can join the sky between upper cone and filter membrane
In chamber, it is expelled in human body after filtering.Its simple in construction, easy to process, production cost is low.
Described medicine feeding hole is provided with the exit orifice sidewall of cylinder, and the axis of exit orifice sidewall is paralleled with the axis of upper connecting tube,
The lateral wall of exit orifice sidewall is connected with upper connecting tube lateral wall, and one end of exit orifice sidewall is arranged on conehead lateral wall, institute
That states sealing gasket and exit orifice sidewall interference fit is arranged on exit orifice interior.
The other end of described exit orifice sidewall protrudes inwardly from and is provided with pressure ring, and the diameter of described pressure ring is less than the diameter of sealing gasket,
The downside of described pressure ring contacts with the upper surface of sealing gasket.
Sealing gasket can be fixed on exit orifice interior by pressure ring, it is to avoid when extracting syringe needle by sealing gasket in exit orifice sidewall
Take out of, pollute medicinal liquid.
Described medicine feeding hole is provided with the cylindrical bore sidewall coaxial with exit orifice sidewall, and one end of described endoporus sidewall is arranged on
The top of epicone rostral wall, the other end of endoporus sidewall is arranged on above conehead self-filtering film, described endoporus sidewall straight
Footpath less than the diameter of exit orifice sidewall, described sealing gasket include the sealing gasket body that matches with exit orifice sidewall and with endoporus sidewall phase
The sealing gasket coordinated is protruding, and the upper surface of cylindrical seal pad projection is connected with the lower surface of sealing gasket body, described sealing
Pad projection is arranged on endoporus interior, and the height of sealing gasket projection is less than the height of endoporus sidewall, one end end of endoporus sidewall
Portion contacts with the lower surface of sealing gasket body.
Sealing gasket body and the setting of sealing gasket projection, first, by the upper end of endoporus sidewall and sealing gasket body following table
Contact between face, by stuck for the position of sealing gasket, it is to avoid when inserting syringe needle, sealing gasket is subjected to displacement, and enters into inside conehead
Cavity in, pollute medicinal liquid；Secondly, the height of sealing gasket projection, so can be under sealing gasket less than the height of endoporus sidewall
The cavity that one endoporus sidewall of square one-tenth surrounds, medicinal liquid flows to above upper conehead self-filtering film in cavity, the flowing of medicinal liquid
Direction changed into bottom horizontal flow sheet by vertically flowing, it is to avoid direct injection flow velocity is too fast and produces eddy current thus produces bubble, shadow
Ring the work efficiency of filter membrane.
The other end end of described endoporus sidewall is provided with the baffle plate matched with endoporus sidewall sections, and described baffle plate is parallel to
Filter membrane is arranged, and the edge of described baffle plate is provided with through hole.
First baffle plate is it can be avoided that syringe needle is directly inserted on filter membrane, destroys filter membrane；Secondly, baffle plate can change medicinal liquid
Flow direction, add the liquid medicine flow direction in liquid medicine filter by straight down, receive bottom horizontal flow sheet after baffle, warp
Through hole enters into after the cavity between upper cone cavity and filter membrane straight down in filter membrane surface bottom horizontal flow sheet, through repeatedly
The change of flow direction, alleviates flow velocity when injecting liquid drug, makes the flowing of medicinal liquid become mild, it is to avoid eddy current produce thus
Produce bubble.
Described through hole is the opening half bore towards endoporus sidewall.
Distance between described through hole and upper connecting tube axis is less than between endoporus sidewall axis and upper connecting tube axis
Distance.
Through hole is near upper connecting tube, it is possible to make the injection that medicinal liquid is well mixed in connecting tube when dosing
In.
The lower surface of described sealing gasket projection is positioned at the top of conehead lateral wall.
The lower surface that sealing gasket is protruding, forms a space, after injecting liquid drug, in this space between endoporus sidewall and baffle plate
Interior flow velocity relaxed, it is to avoid bubble formation.
The outside of described lower connecting tube is provided with the fixing pipe coaxial with lower connecting tube, one end of fixing pipe and the side of lower conehead
Wall is connected, and the medial wall of fixing pipe is provided with female thread.
It is match with endoporus sidewall upper between sidewall and the lower surface of sealing gasket body that described sealing gasket is protruding
It is connected smoothly.
This utility model has the advantage that with good effect: this utility model liquid medicine filter simple in construction, is processed into
This is low, has medicine charging function, and dosing is rapid in time, in can be applicable to rescue.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model
Fig. 2 is the structural representation of sealing gasket of the present utility model
In figure:
1, upper shell 2, lower house 3, filter membrane 4, sealing gasket 11, upper connecting tube
12, upper conehead 13, upper cylinder 21, lower connecting tube 22, lower conehead 23, lower cylinder
24, fixing pipe 25, female thread 111, pressure ring 121, endoporus sidewall 122, annular projection
123, exit orifice sidewall 131, baffle plate 132, through hole 41, sealing gasket body 42, sealing gasket projection
Detailed description of the invention
As it is shown in figure 1, this utility model liquid medicine filter, including the upper shell 1 being arranged on same axis and lower casing
Body 2, is provided with filter membrane 3 between upper shell 1 and lower house 2.Upper shell 1 includes the axis upper connecting tube on same straight line
11, upper conehead 12 and upper cylinder 13, upper conehead 12 is truncated cone sidewall, and the small end of upper conehead 12 is connected with upper connecting tube 11
Connecing, the big end of upper conehead 12 is connected with one end of upper cylinder 13.Corresponding, lower house 2 includes that axis is same
Lower connecting tube 21, lower conehead 22 and lower cylinder 23 on bar straight line, lower conehead 22 is truncated cone sidewall, lower conehead 22 big
End is connected with lower cylinder 23, and the small end of lower conehead 22 is connected with lower connecting tube 21, the internal diameter of lower cylinder 23 and upper circle
The external diameter of cylinder 13 matches and the other end of upper cylinder 13 inserts lower cylinder 23 inside, and filter membrane 3 is positioned at cylinder
The other end end of 13, is provided with medicine feeding hole on upper conehead 12, is provided with sealing gasket 4 in the inside of medicine feeding hole.Sealing gasket 4 can be
The latex mattress matched with medicine feeding hole that prior art is conventional.
The axle of the exit orifice sidewall 123 of cylinder, the axis of exit orifice sidewall 123 and upper connecting tube 11 can be provided with on medicine feeding hole
Line is parallel, and the lateral wall of exit orifice sidewall 123 is connected with upper connecting tube 11 lateral wall, and one end of exit orifice sidewall 123 is arranged on
On upper conehead 12 lateral wall, sealing gasket 4 is arranged on exit orifice sidewall 123 inside with exit orifice sidewall 123 interference fit.
The other end of exit orifice sidewall 123 protrudes inwardly from and is provided with pressure ring 111, and the diameter of pressure ring 111 is straight less than sealing gasket 4
Footpath, the downside of pressure ring 111 contacts with the upper surface of sealing gasket 4.Sealing gasket 4 is fixed in exit orifice sidewall 123 by pressure ring 111
Portion, it is to avoid the sealing gasket 4 interference fit when syringe needle is extracted and between exit orifice sidewall 123 loosens, and is pulled out with one piece of syringe needle.
Further, medicine feeding hole is also provided with the cylindrical bore sidewall 121 coaxial with exit orifice sidewall 123, endoporus side
One end of wall 121 is arranged on the top of conehead 12 sidewall, forms annular projection 122, and the other end of endoporus sidewall 121 is arranged on
Above upper conehead 12 self-filtering film 3, the diameter of endoporus sidewall 121 less than the diameter of exit orifice sidewall 123, sealing gasket 4 include with
Sealing gasket body 41 that exit orifice sidewall 123 matches and the sealing gasket projection 42 matched with endoporus sidewall 121, cylindrical seal
The protruding upper surface of 42 of pad is connected with the lower surface of sealing gasket body 41, and sealing gasket projection 42 is arranged in endoporus sidewall 121
Portion, the height of sealing gasket projection 42 is less than the height of endoporus sidewall 121, the end, one end of endoporus sidewall 121 and sealing gasket 42
The lower surface of body contacts.The lower surface of sealing gasket projection 42 is positioned at the top of conehead 12 lateral wall, and namely sealing gasket is convex
The lower surface playing 42 is positioned at annular projection 122 inside.Between sidewall and the lower surface of sealing gasket body 41 of sealing gasket projection 42
For with being connected smoothly of matching in endoporus sidewall 121 upper end, the namely sidewall of sealing gasket projection 42 and sealing gasket body
The matching ends with annular projection 122 that is connected smoothly between the lower surface of 41.So can either improve sealing gasket 4
Sealing effectiveness, can prevent again sealing gasket 4 during inserting syringe needle to be subjected to displacement inside exit orifice sidewall 123.
The other end end of endoporus sidewall 121 is provided with the baffle plate 131 matched with endoporus sidewall 121 cross section, and baffle plate 131 is flat
Row is arranged in filter membrane 3, and the edge of baffle plate 131 is provided with through hole 132.Through hole 132 is arranged on the edge of baffle plate 131, can be maximum
The flow direction changing medicinal liquid of limit, it is to avoid bubble formation.Through hole 132 can be opening towards endoporus sidewall 121 half
Hole.Further, the distance between through hole 132 and upper connecting tube 11 axis is less than endoporus sidewall 121 axis and upper connecting tube 11
Distance between axis.The flow direction of medicinal liquid when baffle plate 131 can be varied multiple times dosing, relaxes the flow velocity of medicinal liquid, it is to avoid produce
Angry bubble, simultaneously, additionally it is possible to avoid syringe needle to be inserted directly on filter membrane 3, destroys filter membrane 3, affects the safety of liquid medicine filter
Property.
The outside of lower connecting tube 21 is provided with the fixing pipe 24 coaxial with lower connecting tube 21, one end of fixing pipe 24 and lower conehead
The sidewall of 22 is connected, and the medial wall of fixing pipe 24 is provided with female thread.
The work process of this example: be inserted in sealing gasket by injection needle, joins sealing gasket projection 42 by medicinal liquid
Lower surface, in the space formed between endoporus sidewall 121 and baffle plate 131, medicinal liquid flow velocity is eased, from baffle plate 131 edge
Through hole 132 enters in the cavity between conehead 12 and filter membrane 3, is expelled in human body, due to medicinal liquid mistake after filtering
Distance between filter and human body is shorter, thus medicine feeding hole is arranged on liquid medicine filter can dosing rapid in time, meet
The requirement rescued.
Above an embodiment of the present utility model is described in detail, but described content is the most of the present utility model
Preferred embodiment, it is impossible to be considered for limiting practical range of the present utility model.All made according to this utility model application range
Impartial change and improvement etc., within all should still belonging to patent covering scope of the present utility model.
Claims (10)
1. a liquid medicine filter, including upper shell and lower house, is provided with filter membrane, described upper casing between upper shell and lower house
Body include the axis upper connecting tube on same straight line, on conehead and upper cylinder, described upper conehead is truncated cone sidewall,
The small end of upper conehead is connected with upper connecting tube, and the big end of upper conehead is connected with upper cylindrical one end, described lower house bag
Including the axis lower connecting tube on same straight line, lower conehead and lower cylinder, lower conehead is truncated cone sidewall, lower conehead
Big end is connected with lower cylinder, and the small end of lower conehead is connected with lower connecting tube, under cylindrical internal diameter cylindrical with upper
External diameter matches and the upper cylindrical other end inserts inside lower cylinder, and filter membrane is positioned at cylindrical other end end,
It is characterized in that: described upper conehead is provided with medicine feeding hole, is provided with sealing gasket in described medicine feeding hole.
A kind of liquid medicine filter the most according to claim 1, it is characterised in that: described medicine feeding hole is provided with the exit orifice of cylinder
Sidewall, the axis of exit orifice sidewall parallels with the axis of upper connecting tube, the lateral wall of exit orifice sidewall and upper connecting tube lateral wall phase
Connecting, one end of exit orifice sidewall is arranged on conehead lateral wall, and described sealing gasket is arranged on exit orifice sidewall interference fit
Exit orifice interior.
A kind of liquid medicine filter the most according to claim 2, it is characterised in that: the other end of described exit orifice sidewall is to inwardly projecting
Going out and be provided with pressure ring, the diameter of described pressure ring is less than the diameter of sealing gasket, and the downside of described pressure ring connects with the upper surface of sealing gasket
Touch.
A kind of liquid medicine filter the most according to claim 3, it is characterised in that: described medicine feeding hole is provided with same with exit orifice sidewall
The cylindrical bore sidewall of axle, one end of described endoporus sidewall is arranged on the top of epicone rostral wall, the other end of endoporus sidewall
Being arranged on above conehead self-filtering film, the diameter of described endoporus sidewall is less than the diameter of exit orifice sidewall, described sealing gasket bag
Including the sealing gasket body matched with exit orifice sidewall and the sealing gasket matched with endoporus sidewall is protruding, cylindrical seal pad is protruding
Upper surface be connected with the lower surface of sealing gasket body, described sealing gasket projection is arranged on endoporus interior, and sealing gasket is convex
The height risen is less than the height of endoporus sidewall, and the end, one end of endoporus sidewall contacts with the lower surface of sealing gasket body.
A kind of liquid medicine filter the most according to claim 4, it is characterised in that: the other end end of described endoporus sidewall sets
Having the baffle plate matched with endoporus sidewall sections, described baffle plate to be parallel to filter membrane to arrange, the edge of described baffle plate is provided with through hole.
A kind of liquid medicine filter the most according to claim 5, it is characterised in that: described through hole is that opening is towards endoporus side
The half bore of wall.
A kind of liquid medicine filter the most according to claim 6, it is characterised in that: between described through hole and upper connecting tube axis
Distance less than distance between endoporus sidewall axis and upper connecting tube axis.
A kind of liquid medicine filter the most according to claim 4, it is characterised in that: the lower surface of described sealing gasket projection is positioned at
The top of upper conehead lateral wall.
9. according to a kind of liquid medicine filter described in claim 1-8 any one, it is characterised in that: outside described lower connecting tube
Portion is provided with the fixing pipe coaxial with lower connecting tube, and one end of fixing pipe is connected with the sidewall of lower conehead, the medial wall of fixing pipe
It is provided with female thread.
A kind of liquid medicine filter the most according to claim 4, it is characterised in that: the sidewall of described sealing gasket projection is with close
Between the lower surface of packing body it is and being connected smoothly that endoporus sidewall upper matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620437146.7U CN205832303U (en) | 2016-05-12 | 2016-05-12 | A kind of liquid medicine filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620437146.7U CN205832303U (en) | 2016-05-12 | 2016-05-12 | A kind of liquid medicine filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205832303U true CN205832303U (en) | 2016-12-28 |
Family
ID=57627660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620437146.7U Active CN205832303U (en) | 2016-05-12 | 2016-05-12 | A kind of liquid medicine filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205832303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797237A (en) * | 2016-05-12 | 2016-07-27 | 山东威高集团医用高分子制品股份有限公司 | Liquid medicine filter |
-
2016
- 2016-05-12 CN CN201620437146.7U patent/CN205832303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797237A (en) * | 2016-05-12 | 2016-07-27 | 山东威高集团医用高分子制品股份有限公司 | Liquid medicine filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |