CN110302466A - A kind of triple valve with filtering function - Google Patents
A kind of triple valve with filtering function Download PDFInfo
- Publication number
- CN110302466A CN110302466A CN201910664979.5A CN201910664979A CN110302466A CN 110302466 A CN110302466 A CN 110302466A CN 201910664979 A CN201910664979 A CN 201910664979A CN 110302466 A CN110302466 A CN 110302466A
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- Prior art keywords
- shell
- hole
- diameter
- bypass
- mounting hole
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- 238000001914 filtration Methods 0.000 title claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000001802 infusion Methods 0.000 abstract description 9
- 206010002091 Anaesthesia Diseases 0.000 abstract description 5
- 230000037005 anaesthesia Effects 0.000 abstract description 5
- 206010067484 Adverse reaction Diseases 0.000 abstract description 4
- 230000006838 adverse reaction Effects 0.000 abstract description 4
- 238000001949 anaesthesia Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001647 drug administration Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/22—Valves or arrangement of valves
- A61M39/223—Multiway valves
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention discloses a kind of triple valves with filtering function, including valve body (1) and spool (2), valve body (1) includes straight-through (3), bypass (4) and liquid outlet (5), it is characterized by also including filter (6), filter (6) includes first shell (7), second shell (8), filter core (9) and filter membrane (10), first shell (7) is mounted on bypass (4) and communicates with bypass (4), filter core (9) and filter membrane (10) are installed in first shell (7) and filter core (9) is located at close to the side of bypass (4), second shell (8) is mutually covered with first shell (7) to be shared in fixed filter core (9) and filter membrane (10).The beneficial effects of the present invention are: the present invention can meet the needs of administration of anaesthesia in operation, and can guarantee the safety of patient's infusion in operation, the generation of infusion adverse reaction is avoided, the present invention also has structure simple, advantage easy to use.
Description
Technical field
The present invention relates to a kind of triple valves with filtering function, belong to the field of medical instrument technology.
Background technique
Triple valve is widely used in the venous transfusion of operating room, arteriopuncture, vein killer injecting pump administration of anesthesia etc..One
A patient can use three to four disposable triple valves, even more.But with Intravenous Anesthesia be administered rapid development, for
Triple valve using more and more extensive, there is the filtering function of precision infusion set in the channel for connecting the triple valve of precision infusion set one end
Can, it can be good at filtering biggish particle and air, guarantee the safety of patient.And threeway is connected without precision infusion set one
End, not any filtering function, Anesthetist's administration frequently, often see in air and particle, do not have to the safety of patient
It is secure.
As attachment 1 discloses a kind of medical three-way valve comprising valve body, valve body upper end are equipped with positioning chamber, the valve body
Outside is equipped with the interface one, interface two and interface three being connected with the intracorporal positioning chamber of valve, is equipped with spool, spool in positioning chamber
Including the shank body being set to outside valve body upper end, the valve body upper surface is equipped with annular boss, be equipped on the outside of annular boss recess one,
Recess two and recess three, the shank body lower end surface are equipped with flexible raised line, and raised line can be along ring-type when shank body rotates
Outer wall of boss moves between recess one, recess two and recess three, and when raised line is caught in recess one, spool makes interface one and connects
Mouthfuls two are connected, and when raised line is caught in recess two, spool makes interface one, interface two be connected with interface three, when raised line be caught in it is recessed
Spool makes interface two be connected with interface three when in mouth three.Its total interface is not provided with filter, cannot filter into three
Particle in port valve.
Attachment 1: notification number is the patent of invention bullet in file of CN208756677U.
Summary of the invention
The object of the present invention is to provide a kind of triple valves with filtering function, can meet the need of administration of anaesthesia in operation
It wants, and can guarantee the safety of patient's infusion in operation, avoid the generation of infusion adverse reaction.
To solve the above problems, the technical solution used in the present invention is: the triple valve with filtering function, including valve body and
Spool, valve body include straight-through, bypass and liquid outlet, further include filter, filter includes first shell, second shell, filter core
And filter membrane, first shell are mounted on bypass and above communicate with bypass, filter core and filter membrane are installed in first shell and filter
Core is located at close to the side of bypass, and second shell is mutually covered with first shell to be shared in fixed filter core and filter membrane.The present invention is three
Filter is set in port valve, when Anesthetist's frequent drug administration brings particle in threeway into, may filter that bring into it is micro- in threeway
Grain, it is ensured that the safety that patient is infused in operation avoids the adverse reaction occurred by being mixed into particle in institute's loading liquid.
As a further improvement of the present invention, it is provided with through-hole along its axial direction in first shell, through-hole includes being sequentially communicated
First through hole, the second through-hole and third through-hole, first through hole are used for connecting bypass, and the diameter of the second through-hole is greater than first through hole
Diameter, the diameter of third through-hole are greater than the diameter of the second through-hole, and the diameter of filter core is equal with the diameter through two through-holes and is arranged
In second through-hole, filter membrane is arranged in third through-hole and its diameter is equal with the diameter of third through-hole, and second shell is used for
The diameter that one end of conjunction is mutually covered with first shell is equal with the diameter of the second through-hole, when second shell mutually covers conjunction with first shell,
The end of second shell is protruded into third through-hole and compresses filter membrane.First shell lid closes on the second housing in the present invention, will
Filter core and filter membrane are pressed in first shell, without the fixed filter core of other components and filter membrane, the present invention for fix filter core and
The structure of filter membrane is simple.
As a further improvement of the present invention, internal screw thread is set in first through hole, and second shell mutually covers conjunction with first shell
One end external screw thread is set, first shell is threadedly engaged with second shell.First shell and second shell screw thread of the invention connects
It connects, facilitates the installation and removal of first shell and second shell, be also convenient for the installation and replacement of filter core and filter membrane.
As a further improvement of the present invention, external screw thread is arranged in the end of bypass, and internal screw thread, bypass are arranged in first through hole
It protrudes into first through hole and first through hole is threadedly engaged.In the present invention bypass is threadedly coupled with first through hole, convenient for bypass and
Filter removes and installs.
As a further improvement of the present invention, spool is connected with the handle for rotational valve core, and handle includes solid with spool
Fixed interconnecting piece and three extension bars, one end of extension bar are connected with interconnecting piece, and the top of extension bar is provided with length along its length
Circular groove, multiple first protrusions and one second protrusion are provided in groove, and the second protrusion is located in groove far from connection
The one end in portion, and the one end of the second protrusion far from interconnecting piece is " > " shape, the first protrusion from close to one of interconnecting piece to separate
One length of interconnecting piece is in arithmetic progression, and two first adjacent protrusions are equidistant.The present invention is arranged handle and is convenient for
The rotation of spool, the first protrusion and the second protrusion are used to indicate the flow direction of medical fluid in threeway in further groove of the present invention, are convenient for
The identification that the present invention uses.
As a further improvement of the present invention, it leads directly to and is removably provided with the first protective cap, it is detachable on liquid outlet
Be provided with the second protective cap, one end in second shell far from first shell is removably provided with third protective cap.This hair
Bright setting the first protective cap, the second protective cap and third protective cap, prevent when not in use particle enter in threeway.
It as a further improvement of the present invention, further include positioning device, positioning device includes the installation being fixed in bypass
Seat, elastic component and fixing seat, fixing seat are provided with the card slot for matching with extension bar, elastic component connection far from one end of bypass
Mounting base and fixing seat, fixing seat can be mobile relative to mounting base, and elastic component is shunk when fixing seat is mobile relative to mounting base.The present invention
Positioning device is set, the maloperation generated when not needing rotational valve core is prevented.
As a further improvement of the present invention, be provided with mounting hole in mounting base, mounting hole include the first mounting hole unit and
Second mounting hole unit, the first mounting hole unit are located at the side close to extension bar and communicate with the second mounting hole unit, the
The diameter of one mounting hole unit is less than the diameter of the second mounting hole unit, and fixing seat includes connecting pin and fixing end, and card slot opens up
In fixing end, connecting pin passes through the first mounting hole unit and protrudes into the second mounting hole unit, and connecting pin is located at the second installation
Its one end being connected with fixing end is partially larger than in the unit of hole.Mounting hole is made of two parts in the present invention, and aperture is not equal to be used
It is limited in butt end, mounting base is prevented to be separated with fixing seat.
As a further improvement of the present invention, linkage section includes two connection units, and there are gaps between connection unit, even
The one end of order member far from fixing end is the small top and big bottom conical surface.Two connection units are convenient for pacifying linkage section in the present invention
In mounting hole.
As a further improvement of the present invention, the bottom of fixing end is provided with the first fixed cylinder, the second mounting hole unit
Bottom be provided with the second fixed cylinder, elastic component is spring, and the both ends of spring are respectively protruding into the first fixed cylinder and the second fixed cylinder
It is interior.Two fixed cylinders are arranged in the present invention, for it to be fixed from the both ends of spring.
In conclusion the beneficial effects of the present invention are: the present invention can meet the needs of administration of anaesthesia in operation, and can be with
The safety for guaranteeing patient's infusion in operation, avoids the generation of infusion adverse reaction, the present invention also has structure simple, easy to use
The advantages of.
Detailed description of the invention
Fig. 1 is top view of the invention.
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Fig. 3 is main view of the invention.
Fig. 4 is the B-B cross-sectional view of Fig. 3.
Fig. 5 is schematic perspective view of the invention.
Fig. 6 is the stereogram exploded view of first angle of the present invention.
Fig. 7 is the partial enlarged view in Fig. 6 at C.
Fig. 8 is the stereogram exploded view of second angle of the present invention.
Fig. 9 is the partial enlarged view in Fig. 8 at D.
Figure 10 is the stereogram exploded view of third angle of the present invention.
Figure 11 is the partial enlarged view in Figure 10 at E.
Wherein: 1, valve body；2, spool；3, it leads directly to；4, it bypasses；5, liquid outlet；6, filter；7, first shell；8, second
Shell；9, filter core；10, filter membrane；11, handle；12, interconnecting piece；13, extension bar；14, groove；15, the first protrusion；16, second
Protrusion；17, lightening hole；18, the first protective cap；19, the second protective cap；20, blind hole；21, limited post；22, third protective cap；
23, mounting base；24, elastic component；25, fixing seat；26, card slot；27, mounting hole；28, the first mounting hole unit；29, the second installation
Hole unit；30, connecting pin；31, fixing end；32, connection unit；33, gap；34, the conical surface；35, the first fixed cylinder；36, second
Fixed cylinder.
Specific embodiment
Such as the triple valve shown in fig. 1 to figure 11 with filtering function, including valve body 1 and spool 2, valve body 1 includes straight-through 3,
Bypass 4 and liquid outlet 5, valve body 1 are the prior art, and the present invention is provided with filter 6, and the filter 6 includes first shell
7, second shell 8, filter core 9 and filter membrane 10, first shell 7 are mounted in bypass 4 and communicate with bypass 4, filter core 9 and filter membrane 10
It is installed in first shell 7 and filter core 9 is located at close to the side of bypass 4, surface and filter membrane of the filter core 9 far from bypass 4
10 fit, and second shell 8 merges with 7 phase lid of first shell and is fixed for filter core 9 and filter membrane 10 being fixed on first shell
In body 7.
Through-hole is provided with along its axial direction in first shell 7 in the present invention, and through-hole includes the first through hole that is sequentially communicated (in figure
Be not shown), the second through-hole (not shown) and third through-hole (not shown), first through hole is used for connecting bypass 4, second
The diameter of through-hole is greater than the diameter of first through hole, and the diameter of third through-hole is greater than the diameter of the second through-hole, and first in the present invention
Through-hole, the second through-hole and third through-hole coaxial line, the diameter of filter core 9 is equal with the diameter through two through-holes and is arranged in the second through-hole
Interior, the equal length of the thickness of filter core 9 and the second through-hole, filter core 9 connects close to one end of bypass 4 and first through hole and the second through-hole
The shoulder that the place of connecing is formed fits, and filter membrane 10 is arranged in third through-hole and its diameter is equal with the diameter of third through-hole,
The thickness of filter membrane 10 is less than the length of third through-hole, the diameter of one end that second shell 8 is used to close with 7 phase lid of first shell and
The diameter of second through-hole is equal, and when second shell 8 is closed with 7 phase lid of first shell, third through-hole is protruded into the end of second shell 8
Interior, the end of second shell 8, which is affixed to merge with filter membrane 10, compresses filter membrane 10.
Currently preferred that internal screw thread is arranged in first through hole, one end that second shell 8 is closed with 7 phase lid of first shell is set
Set external screw thread, first shell 7 is threadedly engaged with second shell 8 realizes being detachably connected for first shell 7 and second shell 8.This
External screw thread is arranged in the end of bypass 4 in invention, is arranged internal screw thread in first through hole, and bypass 4 protrudes into first through hole and first
Through hole whorl cooperation.
The present invention is connected with the handle 11 for rotational valve core 2 on spool 2, and handle 11 includes fixed with 2 phase of spool
Interconnecting piece 12 and three extension bars 13, one end of extension bar 13 are connected with interconnecting piece 12, and two of them extension bar 13 is located at same
On straight line and perpendicular with another extension bar 13, the section of extension bar is rectangle, and the top of extension bar 13 is along its length
It is provided with the groove 14 of oblong, multiple first protrusions 15 and second protrusion 16, the second protrusion 16 are provided in groove 14
Far from one end of interconnecting piece 12 in groove 14, and the one end of the second protrusion 16 far from interconnecting piece 12 is " > " shape, for showing
Show the flow direction of fluid in triple valve, one of the certainly close interconnecting piece 12 of the first protrusion 15 is to far from interconnecting piece 12 in the present invention
One length be in arithmetic progression, the distance of two adjacent the first protrusions 15 is (between two adjacent the first protrusions 15
The width in gap) it is equal.
Currently preferred be integrally formed interconnecting piece 12 and spool 2 manufactures, and circle is axially arranged along it on interconnecting piece 12
Shape lightening hole 17, the diameter of lightening hole 17 is less than the diameter of spool 2, and lightening hole 17 extends downward on spool 2.
Embodiment 2
The present embodiment is the further improvement done on the basis of embodiment 1, and compared with Example 1, the present embodiment is straight-through 3
On be removably provided with the first protective cap 18, the second protective cap 19, second shell 8 are removably provided on liquid outlet 5
Upper one end far from first shell 7 is removably provided with third protective cap 22, and the first protective cap 18, the second protective cap 19
It is all the same with the structure of third protective cap 22.The structure of the first protective cap 18 is in the present invention: being provided on the first protective cap 18
Blind hole 20, blind hole 20 are used to match with straight-through 3, and straight-through 3 can protrude into and extract blind hole 20.The present embodiment is preferably in blind hole 20
Interior setting internal screw thread is provided with external screw thread in straight-through 3 end, and straight-through 3 protrude into blind hole 20 and are threadedly engaged with blind hole 20, with
Straight-through 3 are made removably to connect with the first protective cap 18.The structure of rest part is same as Example 1 in the present embodiment, specifically
It can refer to embodiment 1, it will not go into details for the present embodiment.
Embodiment 3
The present embodiment is further improvement on the basis of embodiment 2, and compared with Example 2, the present embodiment is in blind hole
Limited post 21, limited post 21 and 20 coaxial line of blind hole are provided in 20, the diameter of limited post 21 is equal with straight-through 3 internal diameter,
When first protective cap 18 is mounted on straight-through 3, limited post 21 is protruded into straight-through 3.The structure and reality of the present embodiment rest part
It is identical to apply example 2, specifically refers to embodiment 2, it will not go into details for the present embodiment.
Embodiment 4
The present embodiment is further improvement on the basis of embodiment 3, and compared with Example 3, the present embodiment is provided with
Positioning device, positioning device include mounting base 23, elastic component 24 and the fixing seat 25 being fixed in bypass 4, and fixing seat 25 is separate
One end of bypass 4 is provided with the card slot 26 for matching with extension bar 13, and elastic component 24 connects mounting base 23 and fixing seat 25, Gu
Reservation 25 can be mobile relative to mounting base 23, and elastic component 24 is shunk when fixing seat 25 is mobile relative to mounting base 23, is needing to rotate valve
When core 2, fixing seat 25 being pressed downwards with hand, extension bar 13 being made to be separated with card slot 26, positioning device no longer generates extension bar 13
Stop, spool 2 free to rotate, when spool 2 rotates 90 degree, unclamps fixing seat 25, under the action of elastic component 24, fixing seat
25 rebound, and the extension bar 13 for turning to 25 top of fixing seat is stuck in card slot 26, realize the fixation of spool 2, the present invention again
Middle mounting base 23 is integrally formed with bypass 4 to be manufactured.
The present invention is provided with mounting hole 27 in mounting base 23, and mounting hole 27 includes the first mounting hole unit 28 and the second installation
Hole unit 29, the first mounting hole unit 28 be located at close to extension bar 13 side and communicated with the second mounting hole unit 29 and
The two coaxial line, the diameter of the first mounting hole unit 28 less than the second mounting hole unit 29 diameter, in the first mounting hole unit
28 and 29 junction of the second mounting hole unit form shoulder, fixing seat 25 includes connecting pin 30 and fixing end 31, and card slot 26 opens up
In fixing end 31, connecting pin 30 passes through the first mounting hole unit 28 and protrudes into the second mounting hole unit 29, connecting pin 30
In its one end being connected with fixing end 31 that is partially larger than in the second mounting hole unit 29, the first mounting hole unit 28 and the second peace
The shoulder of dress 29 junction of hole unit is for preventing connecting pin 30 from popping up out of An Kongkong 27.
Linkage section 30 in the present invention includes that two cross sections are slightly less than semicircular connection unit 32, connection unit 32 it
Between there are gap 33, the one end of connection unit 32 far from fixing end 31 is the small top and big bottom conical surface 34, by linkage section 30
When being mounted in mounting base 23,34 part of the conical surface of 30 bottom of linkage section is first put at the first mounting hole unit 28, is pressed downwards
Fixing seat 25, at this time due to the presence of the conical surface 34, two connection units 32 are bent towards Direction distortion close to each other, two companies
Gap 33 between order member 32 reduces, and is fully inserted into the second mounting hole unit 29 in the biggish part in 30 bottom of linkage section
Afterwards, two connection units 32 are rebounded outward to restore to the original state, and are connected by the first mounting hole unit 28 and the second mounting hole unit 29
The shoulder at the place of connecing stops without extracting or being ejected out of mounting hole 27.
For the fixation convenient for elastic component 24, the present invention is provided with the first fixed cylinder 35 in the bottom of fixing end 31, wherein the
One fixed cylinder 35 is integrally formed with fixing end 31, and the bottom of the second mounting hole unit 29 is provided with the second fixed cylinder 36, and second is solid
Safety barrel 36 and mounting base 23 are integrally formed, and the first fixed cylinder 35 is equal with the internal diameter of the second fixed cylinder 36 and coaxial line, elastic
Part 24 is spring, and the both ends of spring are respectively protruding into the first fixed cylinder 35 and the second fixed cylinder 36, fixing seat 25 by downwards on time,
Compressed spring, spring contraction, and when unclamping fixing seat 25, spring elongation restores to the original state, and fixing seat 25 is rebounded.
The structure of the present embodiment rest part is same as Example 3, specifically refers to embodiment 3, and the present embodiment is not superfluous
It states.
Not doing the part illustrated in above instructions is the prior art, or has both been able to achieve by the prior art.
And heretofore described specific implementation case is only preferable case study on implementation of the invention, and it is not for the purpose of limiting the invention
Practical range.Equivalent changes and modifications made by i.e. all contents according to the invention patent range, all should be used as technology of the invention
Scope.
Claims (10)
1. a kind of triple valve with filtering function, including valve body (1) and spool (2), valve body (1) includes straight-through (3), bypass (4)
With liquid outlet (5), it is characterised in that: further include filter (6), filter (6) include first shell (7), second shell (8),
Filter core (9) and filter membrane (10), first shell (7) are mounted on bypass (4) and communicate with bypass (4), filter core (9) and filter membrane
(10) it is installed in first shell (7) and filter core (9) is located at close to the side of bypass (4), second shell (8) and first shell
Body (7), which mutually covers, to be shared in fixed filter core (9) and filter membrane (10).
2. the triple valve according to claim 1 with filtering function, it is characterised in that: along its axial direction in first shell (7)
It is provided with through-hole, through-hole includes the first through hole being sequentially communicated, the second through-hole and third through-hole, and first through hole is used for connecting bypass
(4), the diameter of the second through-hole is greater than the diameter of first through hole, and the diameter of third through-hole is greater than the diameter of the second through-hole, filter core (9)
Diameter it is equal with the diameter through two through-holes and be arranged in the second through-hole, filter membrane (10) be arranged in third through-hole and its
Diameter is equal with the diameter of third through-hole, and second shell (8) is used to mutually cover the diameter and second of one end of conjunction with first shell (7)
The diameter of through-hole is equal, and when second shell (8) mutually covers conjunction with first shell (7), third through-hole is protruded into the end of second shell (8)
It is interior and compress filter membrane (10).
3. the triple valve according to claim 2 with filtering function, it is characterised in that: internal screw thread is set in first through hole,
External screw thread is arranged in one end that second shell (8) mutually covers conjunction with first shell (7), and first shell (7) is matched with second shell (8) screw thread
It closes.
4. the triple valve according to claim 3 with filtering function, it is characterised in that: outer spiral shell is arranged in the end of bypass (4)
Line, first through hole is interior to be arranged internal screw thread, and bypass (4) protrudes into first through hole and first through hole is threadedly engaged.
5. the triple valve according to any one of claims 1 to 4 with filtering function, it is characterised in that: spool (2) is connected with
For the handle (11) of rotational valve core (2), handle (11) includes the interconnecting piece (12) and three extension bars fixed with spool (2)
(13), one end of extension bar (13) is connected with interconnecting piece (12), and the top of extension bar (13) is provided with oblong along its length
Groove (14), groove (14) is interior to be provided with multiple first raised (15) and one second raised (16), and second raised (16) are located at
Far from the one end of interconnecting piece (12) in groove (14), and the one end of second raised (16) far from interconnecting piece (12) is " > " shape, the
One raised (15) from close to one of interconnecting piece (12) to one length far from interconnecting piece (12) be in arithmetic progression, it is adjacent
It two first raised (15) is equidistant.
6. the triple valve according to claim 5 with filtering function, it is characterised in that: be removably arranged on straight-through (3)
Have the first protective cap (18), be removably provided on liquid outlet (5) the second protective cap (19), far from the in second shell (8)
One end of one shell (7) is removably provided with third protective cap (22).
7. the triple valve according to claim 5 with filtering function, it is characterised in that: it further include positioning device, positioning dress
Mounting base (23), elastic component (24) and fixing seat (25) including being fixed in bypass (4) are set, fixing seat (25) is far from bypass
(4) one end is provided with the card slot (26) for matching with extension bar (13), and elastic component (24) connects mounting base (23) and fixed
Seat (25), fixing seat (25) can be mobile relative to mounting base (23), elastic component when fixing seat (25) is mobile relative to mounting base (23)
(24) it shrinks.
8. the triple valve according to claim 7 with filtering function, it is characterised in that: mounting base is provided with mounting hole on (23)
(27), mounting hole (27) includes the first mounting hole unit (28) and the second mounting hole unit (29), the first mounting hole unit (28)
It communicates positioned at the side close to extension bar (13) and with the second mounting hole unit (29), the diameter of the first mounting hole unit (28)
Less than the diameter of the second mounting hole unit (29), fixing seat (25) includes connecting pin (30) and fixing end (31), and card slot (26) is opened
It being located on fixing end (31), connecting pin (30) pass through the first mounting hole unit (28) and protrude into the second mounting hole unit (29),
Connecting pin (30), which is located in the second mounting hole unit (29), is partially larger than its one end being connected with fixing end (31).
9. the triple valve according to claim 8 with filtering function, it is characterised in that: linkage section (30) includes two connections
Unit (32), there are gap (33) between connection unit (32), and the one end of connection unit (32) far from fixing end (31) is upper end
The big small conical surface in lower end (34).
10. the triple valve according to claim 9 with filtering function, it is characterised in that: the bottom of fixing end (31) is arranged
Have the first fixed cylinder (35), the bottom of the second mounting hole unit (29) is provided with the second fixed cylinder (36), and elastic component (24) is bullet
Spring, the both ends of spring are respectively protruding into the first fixed cylinder (35) and the second fixed cylinder (36).
Priority Applications (1)
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