CN106870800A - Fluid switching solenoid valve and the endoscope equipped with the magnetic valve - Google Patents
Fluid switching solenoid valve and the endoscope equipped with the magnetic valve Download PDFInfo
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- CN106870800A CN106870800A CN201710017293.8A CN201710017293A CN106870800A CN 106870800 A CN106870800 A CN 106870800A CN 201710017293 A CN201710017293 A CN 201710017293A CN 106870800 A CN106870800 A CN 106870800A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0603—Multiple-way valves
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00066—Proximal part of endoscope body, e.g. handles
- A61B1/00068—Valve switch arrangements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/012—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor characterised by internal passages or accessories therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/0655—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with flat slides
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Surgery (AREA)
- Radiology & Medical Imaging (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Endoscopes (AREA)
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
Abstract
The invention discloses a kind of fluid switching solenoid valve, at the middle part of valve body, air inlet and air scoop are set, the left and right two ends of valve body are respectively provided with the first gas outlet and the second gas outlet, main airway of the valve element through valve body, valve element is provided with the first sealing ring and the second sealing ring, and the two sealing rings control air inlet is selectively communicated with air scoop or one of gas outlet；The invention also discloses a kind of endoscope, including head end, insertion section, operating portion, light guide section and light source portion, magnetic valve is located in light source portion.Electromagnetic valve structure of the present invention is simple, compact, compact, and sensitivity is high, good reliability；Magnetic valve is arranged in light source portion, can effectively reduce the appearance and size of operating portion, and alleviate the weight of operating portion, make more convenient operation, laborsaving；Meanwhile, supply gas and send hydrodynamic(al) to make completely isolated, there is no the joint of water supply conduit in operating portion, there is no liquid in magnetic valve, in the absence of the danger for sending water to leak, other electrical equipments will not be influenceed because water is leaked, not only safety but also reliability.
Description
Technical field
The invention belongs to technical field of medical instruments, specifically, more particularly to a kind of fluid switching solenoid valve and it is equipped with
The endoscope of the magnetic valve.
Background technology
Endoscopic system is widely used in medical diagnosis, and it sets liquid feeding device of being supplied gas in oriented body cavity, can basis
Need to feeding water, liquid, air etc. in body cavity.In existing technology, endoscope is supplied gas with liquor charging by being arranged at interior peeping
Fluid changing-over valve on mirror operating portion is controlled, and is respectively arranged with gas entrance, gas outlet, liquid entrance on the fluid changing-over valve
With liquid outlet, valve pocket is isolated into several cavitys by many sealing rings, by the cavity for pressing the change isolation of switching valve tip button
The purpose that liquor charging of supplying gas is separate is reached with the relative position of aforementioned four gateway.
Presently, aqueous fluid switching valve of supplying gas/send substantially has following three types：
The first kind：There are gas entrance, gas outlet, liquid entrance, liquid to export four passages on valve body, two kinds of working conditions (send water
State and state of supplying gas), such as patent CN201210311048.5 and patent JP07275948, under nature, gas is by stream
Body switching valve top through hole is diffused into air, and when only block fluid flow switching valve top through hole, completion is supplied gas requirement, when pressing
Top through hole is plugged simultaneously during tip button, now completes to send water state；
Equations of The Second Kind：There are gas entrance, gas outlet, liquid entrance, liquid to export four passages on valve body, three kinds of working conditions (send water
State, state of supplying gas, both do not bothered to see me out water or gaseity of not bothering to see me out), such as patent CN201380051292.5, under nature, valve element will
Gas entrance and liquid entrance are closed, and when valve rod is rotated by 90 ° and blocks valve top through hole, completion is supplied gas requirement, when pressing top
Top through hole is plugged simultaneously during button, now completes to send water state；
3rd class：There are gas entrance, liquid entrance, gas/liquid to export three passages, such as patent on valve body
CN201310228237.0, two kinds of working conditions (sending water state and state of supplying gas), under nature, gas is switched by fluid
Valve top through hole is diffused into air, and when only block fluid flow switching valve top through hole, completion is supplied gas requirement, when press top by
Top through hole is plugged simultaneously during button, now completes to send water state.
As shown in fig. 7, above-mentioned three class is supplied gas/sent, aqueous fluid switching valve P is placed in operating portion, is occupied in operating portion
Position in chamber, hinders the diminution of operating portion volume, while fluid changing-over valve also increases the weight of operating portion.In addition, sending
It is not firm that gas/send aqueous fluid switching valve to be placed in operating portion inner chamber, such as switching valve liquid entrance or liquid outlet are combined with water air pipe,
During liquid can be caused to leak to operating portion, circuit board in operating portion or other electric parts are impacted.
The content of the invention
In view of the drawbacks described above of prior art, an object of the present invention is to provide a kind of fluid switching solenoid valve.
Technical scheme is as follows to achieve the above object：A kind of fluid switching solenoid valve, including valve body and valve element, its feature exist
In：The main airway of the valve body is straight tube-like structure, and air inlet and air scoop are set at the middle part of valve body, and the air inlet is divided into
First branch and the second branch are connected with main airway, and the air scoop for directly being communicated with main airway is located at the first branch and the second branch
Between, be respectively provided with the first gas outlet and the second gas outlet at the left and right two ends of the valve body, the two gas outlets with main gas
Road is communicated, and through the main airway of valve body, the outside of the valve element left end surround and sets first coil the valve element, outside valve element right-hand member
Face ring is provided with the first sealing ring and the second sealing ring, the control air inlet of the two sealing rings around the second coil, the valve element is set
Mouth is selectively communicated with air scoop or one of gas outlet.
Above scheme has two gas outlets and two groups of coils, and when two groups of coils are powered off, valve element is in an intermediate position,
Now first, second sealing ring on valve element blocks the main airway of air scoop both sides, and airflow direction flows to air scoop by air inlet；
When first coil is powered, valve element move right (valve element side-to-side movement is relevant with magnetic pole, herein motion can also be the second coil
It is powered), until the first sealing ring on valve element blocks the second branch of air scoop and air inlet, and the second sealing ring blocks second
Gas outlet, airflow direction flows to the first gas outlet by the branch of air inlet first；When the second coil electricity, valve element is to left movement
(valve element side-to-side movement is relevant with magnetic pole, and motion herein can also be that first coil is powered), until the second sealing ring on valve element
The first branch of air scoop and air inlet is blocked, and the first sealing ring blocks the first gas outlet, airflow direction is by air inlet second
Branch flows to the second gas outlet.Above-mentioned fluid switching solenoid valve simple structure, compact, compact, parts are few, and assembling is held
Easily, low production cost, and be controlled using electromagnetic induction, sensitivity is high, good reliability, in various ventilations or logical liquid occasion
It is applicable.
Simplify structure in order to further, be conducive to processing and fabricating, the air inlet to be located at the side of valve body, air scoop is located at
The opposite side of valve body, and air scoop is just to the air inlet.
Simplify structure in order to further, be easy to pipeline to connect, first gas outlet and air inlet homonymy, the second gas outlet
With air scoop homonymy.
Simplify structure in order to further, facilitate processing and fabricating and assembling, the valve element is straight-bar structure, fixed on valve element
It is set with the first sealing ring and the second sealing ring.
For the ease of sealing ring selection, to ensure to be firmly installed on valve element and sealing effectiveness, first sealing ring and
Second sealing ring is made by rubber or silica gel, each sealing ring and valve element tight fit.
The second object of the present invention is to provide a kind of endoscope.
Technical scheme is as follows to achieve the above object：It is a kind of equipped with the endoscope of solenoid, including head end, insertion
Portion, operating portion, light guide section and light source portion, set on head end and send water/air taking port, are provided with air pump in the light source portion, its feature
It is：The magnetic valve is located in light source portion, and the air inlet of the magnetic valve is connected by the first tracheae with air pump, the sky of magnetic valve
Gas port is connected with ambient atmosphere, and the second tracheae is connected in the first gas outlet of magnetic valve, and the second gas outlet of magnetic valve is connected to
Three tracheaes, the port of export of the 3rd tracheae is stretched into aqueous vapor bottle, and water pipe is additionally provided with the aqueous vapor bottle, and the entrance point of water pipe is stretched into
In aqueous vapor bottle, after the port of export of the port of export of water pipe and the second tracheae is accumulated all the way, water/air taking port is sent to be connected with described；
Be provided with to supply gas on the endoscope and button and send water button, button of supplying gas is connected by wire with first coil, send water by
Button is connected by wire with the second coil.
Using above technical scheme, the logical of the coil of magnetic valve first, second is controlled by supplying gas, sending two control buttons of water
Power-off, so as to complete to supply gas or send hydrodynamic(al) to make.Do not press force feed water button and supply gas button when, two groups of coils of magnetic valve break
Electricity, the valve element of magnetic valve is in an intermediate position, first, second sealing ring blocks the main airway of air scoop both sides, and air pump is out
Gas is flowed in air via magnetic valve, is now neither sent water toward insertion section nor is supplied gas toward insertion section.
When button is supplied gas in pressing, the first coil of magnetic valve is powered, and the valve element of magnetic valve moves right (valve element or so fortune
Dynamic relevant with magnetic pole, it can also be the second coil electricity to move herein), the valve core movement of magnetic valve to the right extreme position, valve
The first sealing ring on core blocks the second branch of air scoop and air inlet, and the second sealing ring blocks the second gas outlet, air pump
Gas out flows to the first gas outlet via the branch of air inlet first, then send water/send by what the second tracheae flowed to insertion section
Gas port, so as to complete the purpose supplied gas.
When force feed water button is pressed, the second coil electricity of magnetic valve, the valve element of magnetic valve to left movement, (transport by valve element or so
Dynamic relevant with magnetic pole, motion herein can also be first coil energization), the valve core movement of magnetic valve to left side extreme position, valve
The second sealing ring on core blocks the first branch of air scoop and air inlet, and the first sealing ring blocks the first gas outlet, air pump
Gas out flows to the second gas outlet via the branch of air inlet second, then enters aqueous vapor bottle by the 3rd tracheae, then by water
Liquid in gas cylinder send water/air taking port by what water pipe pressed to insertion section, so as to complete to send the purpose of water.
Compared with background technology, switching valve is removed operating portion by the present invention, is conducive to reducing the appearance and size of operating portion, together
When can mitigate the weight of operating portion.Without the joint of water supply conduit in operating portion, the danger for sending water to leak in operating portion can be avoided
Danger, considerably increases the reliability that mirror body is used.Meanwhile, in this programme, there is no liquid by the gas that yet only has of magnetic valve,
Other electrical equipments in light source will not be impacted.
For the ease of operation, described supplying gas and send water button to be arranged on operating portion at button.
Preferably, the aqueous vapor bottle is arranged on the outside of light guide section, and by hanging and light source portion side.
Beneficial effect：Electromagnetic valve structure of the present invention is simple, compact, compact, and assembling is easy, and low production cost is sensitive
Degree is high, good reliability；Magnetic valve is arranged in light source portion, can effectively reduce the appearance and size of operating portion, and alleviate behaviour
Make the weight in portion, make more convenient operation, laborsaving；Simultaneously：First, there is no the joint of water supply conduit in operating portion, do not send water to leak
Danger, do not interfere with other electrical equipments in operating portion；2nd, magnetic valve is located in light source, but does not have liquid in magnetic valve,
Be not in dangerous liquid leakage, do not interfere with other electrical equipments in light source, not only safety but also reliability.
Brief description of the drawings
Fig. 1 is the schematic diagram of magnetic valve air inlet and air scoop conducting.
Fig. 2 is the schematic diagram of magnetic valve air inlet and the conducting of the first gas outlet.
Fig. 3 is the schematic diagram of magnetic valve air inlet and the conducting of the second gas outlet.
Fig. 4 is the structural representation of endoscope, is also both unaspirated or water of not bothering to see me out state diagram.
Fig. 5 is the state diagram of supplying gas of endoscope.
Fig. 6 is that endoscope send water state figure.
Fig. 7 is the structural representation of background technology.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples：
As shown in Figure 1, Figure 2, Figure 3 shows, the present invention in magnetic valve by valve body 1, valve element 2, first coil 3, the second coil 4,
First sealing ring 5 and the grade of the second sealing ring 6 are constituted.Wherein, the main airway 1d of valve body 1 is straight tube-like structure, at the middle part of valve body 1
Air inlet 1a and air scoop 1c is set, and air inlet 1a is located at the side of valve body 1, and air scoop 1c is located at the opposite side of valve body 1, and empty
Gas port 1c is just to the air inlet 1a.With so, as equivalent replacement, it is also possible to which air inlet 1a and air scoop 1c are arranged on into valve
The same side of body 1, or position of each gas port on valve body 1 be set according to actual needs.The port of export of air inlet 1a is divided into
Two-way, respectively the first branch 1a1 and the second branch 1a2, the two branches are connected with main airway 1d, directly with main airway 1d phases
Logical air scoop 1c is located between the first branch 1a1 and the second branch 1a2.In the left end of valve body 1, the first gas outlet 1b, valve are set
The right-hand member of body 1 sets the second gas outlet 1b ', and the two gas outlets communicate with main airway 1d.Preferably, the first gas outlet 1b
With air inlet 1a homonymies, the second gas outlet 1b ' and air scoop 1c homonymies.
As shown in Figure 1, Figure 2, Figure 3 shows, valve element 2 is worn in the main airway 1d of valve body 1, the valve element 2 is straight-bar structure, valve element
Around first coil 3 is set, the outside of the right-hand member of valve element 2 is around the second coil 4 of setting for the outside of 2 left ends.Set side by side on valve element 2
The first sealing ring 5 and the second sealing ring 6 are put, the first sealing ring 5 and the second sealing ring 6 are preferably made up of rubber or silica gel；When
So, the first sealing ring 5 and the second sealing ring 6 can also use other suitable materials, as long as functional requirement can be met.The
One sealing ring 5 and the second sealing ring 6 are set on valve element 2, each sealing ring and the tight fit of valve element 2, the two sealing rings control into
Gas port 1a is selectively communicated with air scoop 1c or one of gas outlets.Each sealing ring can also from it is square or other be adapted to
Shape, and sealing ring can be using inlaying or other similar modes are fixed with valve element 2.
Such as Fig. 4, Fig. 5, Fig. 6 are simultaneously combined shown in Fig. 1, Fig. 2, Fig. 3, and endoscope is divided into head end A, insertion section 7, behaviour from left to right
Make portion 8, light guide section 9 and light source portion 10.Set on head end A and send water/air taking port 11, air pump 12 is provided with light source portion 10, it is above-mentioned
Magnetic valve is arranged in light source portion 10, and positioned at the side of air pump 12.The air inlet 1a of magnetic valve passes through the first tracheae 15 and gas
Pump 12 is connected, and the air scoop 1c of magnetic valve is connected with ambient atmosphere.The second tracheae 17 is connected in the first gas outlet 1b of magnetic valve,
Second gas outlet 1b ' of magnetic valve is connected to the 3rd tracheae 18, and the port of export of the 3rd tracheae 18 is stretched into aqueous vapor bottle 16, aqueous vapor bottle
16 outsides for being located at light guide section 9, and by hanging and the side of light source portion 10.Water pipe 19, water pipe are additionally provided with aqueous vapor bottle 16
19 entrance point is stretched into aqueous vapor bottle 16, after the port of export of the port of export of water pipe 19 and the second tracheae 17 is accumulated all the way, with
Water/air taking port 11 is sent to connect.It is provided with endoscope and supplies gas button 13 and send water button 14, the two buttons is arranged at behaviour
Make in portion 8.Button 13 of supplying gas is connected by wire with first coil 3, send water button 14 to be connected with the second coil 4 by wire.
Heretofore described tracheae and water pipe may be contained within the inside of endoscope mirror body and light source, only water pipe 19 and
Some draws endoscope and aqueous vapor bottle 16 and be connected three tracheaes 18, the liquid level of the entrance point of water pipe 19 in aqueous vapor bottle 16
Under, the port of export of the 3rd tracheae 18 is located on the liquid level in aqueous vapor bottle 16.The structure that endoscope is not described is same as the prior art,
Will not be described here.
Operation principle of the invention is as follows：
Do not press force feed water button 14 and supply gas button 13 when, two groups of coils 3,4 of magnetic valve are powered off, the valve element of magnetic valve
2 is in an intermediate position, first, second sealing ring 5,6 blocks the main airway 1d (see Fig. 1) of air scoop both sides, and air pump 12 is out
Gas enters in valve body 1 via two branches of air inlet 1a, and flows to (see Fig. 4) in air by air scoop 1c, now both
Water is not sent not supplied gas toward insertion section yet toward insertion section.
When button 13 is supplied gas in pressing, the first coil 3 of magnetic valve is powered, and the valve element 2 of magnetic valve moves right (valve element a left side
Right motion is relevant with magnetic pole, and motion can also be the second coil electricity herein), the valve element 2 of magnetic valve moves to the right limit position
Put, the first sealing ring 5 on valve element 2 blocks the second branch 1a2 of air scoop 1c and air inlet 1a, and the second sealing ring 6 is blocked
Second gas outlet 1b ' (see Fig. 2), air pump gas out flows to the first gas outlet 1b via the first branch of air inlet 1a1, then leads to
That crosses that the second tracheae 17 flows to insertion section send water/air taking port 11 (see Fig. 5), so as to complete the purpose supplied gas.Due to now second
Sealing ring 6 has blocked the gas circuit into aqueous vapor bottle 16, therefore is not in air pressure by the hydraulic pressure in aqueous vapor bottle 16 to sending water/supply gas
The risk of mouth 11, will supply gas and send hydrodynamic(al) to be isolated completely.
When force feed water button 14 is pressed, the second coil 4 of magnetic valve is powered, and (valve element is left to left movement for the valve element 2 of magnetic valve
Right motion is relevant with magnetic pole, and motion herein can also be that first coil is powered), the valve element 2 of magnetic valve moves to left side limit position
Put, the second sealing ring 6 on valve element 2 blocks the first branch 1a1 of air scoop 1c and air inlet, and the closure of the first sealing ring 5 the
One gas outlet 1b, the gas out of air pump 12 flows to the second gas outlet 1b ' via the second branch of air inlet 1a2, then by the 3rd
Tracheae 18 enters aqueous vapor bottle 16, then send water/air taking port 11 by what water pipe 19 pressed to insertion section by the liquid in aqueous vapor bottle 16,
So as to complete to send the purpose of water.Now, be also not in risk that gas is sent to water/air taking port 11, will supply gas completely and send
Hydrodynamic(al) is isolated.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of fluid switching solenoid valve, including valve body (1) and valve element (2), it is characterised in that：The main airway of the valve body (1)
(1d) is straight tube-like structure, and air inlet (1a) and air scoop (1c) are set at the middle part of valve body (1), and the air inlet (1a) is divided into
First branch (1a1) and the second branch (1a2) are connected with main airway (1d), the air scoop (1c) for directly being communicated with main airway (1d)
Between the first branch (1a1) and the second branch (1a2), the first outlet is respectively provided with the left and right two ends of the valve body (1)
Mouthful (1b) and the second gas outlet (1b '), the two gas outlets communicate with main airway (1d), and the valve element (2) is through valve body (1)
Main airway (1d), around setting first coil (3), the outside of valve element (2) right-hand member is around setting for the outside of valve element (2) left end
Second coil (4), the valve element (2) is provided with the first sealing ring (5) and the second sealing ring (6), the two sealing rings control into
Gas port (1a) is selectively communicated with air scoop (1c) or one of gas outlet.
2. fluid switching solenoid valve as claimed in claim 1, it is characterised in that：The air inlet (1a) is located at valve body (1)
Side, air scoop (1c) is located at the opposite side of valve body (1), and air scoop (1c) is just to the air inlet (1a).
3. fluid switching solenoid valve as claimed in claim 2, it is characterised in that：First gas outlet (1b) and air inlet
(1a) homonymy, the second gas outlet (1b ') and air scoop (1c) homonymy.
4. fluid switching solenoid valve as claimed in claim 2, it is characterised in that：The valve element (2) is straight-bar structure, in valve element
(2) the first sealing ring of fixed suit (5) and the second sealing ring (6) on.
5. fluid switching solenoid valve as claimed in claim 4, it is characterised in that：First sealing ring (5) and the second sealing
Circle (6) is made by rubber or silica gel, each sealing ring and valve element (2) tight fit.
6. a kind of endoscope equipped with the magnetic valve as described in claim 1 to 5 is any, including head end (A), insertion section (7), operation
Portion (8), light guide section (9) and light source portion (10), set on head end (A) and send water/air taking port (11), are set in the light source portion (10)
There is air pump (12), it is characterised in that：The magnetic valve is located in light source portion (10), and the air inlet (1a) of the magnetic valve passes through first
Tracheae (15) is connected with air pump (12), and the air scoop (1c) of magnetic valve is connected with ambient atmosphere, in the first gas outlet of magnetic valve
(1b) is connected to the second tracheae (17), and second gas outlet (1b ') of magnetic valve is connected to the 3rd tracheae (18), the 3rd tracheae (18)
The port of export is stretched into aqueous vapor bottle (16), and water pipe (19) is additionally provided with aqueous vapor bottle (16), and the entrance point of water pipe (19) stretches into water
In gas cylinder (16), after the port of export of water pipe (19) and the port of export of the second tracheae (17) are accumulated all the way, with the water/send of sending
Gas port (11) is connected；Button of supplying gas (13) is provided with the endoscope and water button (14) is sent, button of supplying gas (13) passes through
Wire is connected with first coil (3), send water button (14) to be connected with the second coil (4) by wire.
7. endoscope as claimed in claim 6, it is characterised in that：The button of supplying gas (13) and water button (14) is sent to be arranged on
On operating portion (8).
8. endoscope as claimed in claims 6 or 7, it is characterised in that：Aqueous vapor bottle (16) in the outside of light guide section (9),
And by hanging and light source portion (10) side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017293.8A CN106870800B (en) | 2017-01-06 | 2017-01-06 | Fluid switching solenoid valve and endoscope equipped with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710017293.8A CN106870800B (en) | 2017-01-06 | 2017-01-06 | Fluid switching solenoid valve and endoscope equipped with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870800A true CN106870800A (en) | 2017-06-20 |
| CN106870800B CN106870800B (en) | 2022-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710017293.8A Active CN106870800B (en) | 2017-01-06 | 2017-01-06 | Fluid switching solenoid valve and endoscope equipped with same |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078579A (en) * | 1976-08-26 | 1978-03-14 | Frank E. Goodwin | Multiple port fluid control device |
| JP2006207796A (en) * | 2005-01-31 | 2006-08-10 | Yonwoo Peneumatic Co Ltd | Solenoid valve |
| TW200813251A (en) * | 2006-03-20 | 2008-03-16 | Boc Group Plc | Gas supply apparatus |
| CN101881340A (en) * | 2009-05-07 | 2010-11-10 | 曼狄赛尔公司，德国曼柴油机欧洲股份公司的联营公司 | Spool valve with reduced cavitation damage |
| CN206522507U (en) * | 2017-01-06 | 2017-09-26 | 重庆金山医疗器械有限公司 | A kind of fluid switching solenoid valve and the endoscope equipped with the magnetic valve |
-
2017
- 2017-01-06 CN CN201710017293.8A patent/CN106870800B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078579A (en) * | 1976-08-26 | 1978-03-14 | Frank E. Goodwin | Multiple port fluid control device |
| JP2006207796A (en) * | 2005-01-31 | 2006-08-10 | Yonwoo Peneumatic Co Ltd | Solenoid valve |
| TW200813251A (en) * | 2006-03-20 | 2008-03-16 | Boc Group Plc | Gas supply apparatus |
| CN101881340A (en) * | 2009-05-07 | 2010-11-10 | 曼狄赛尔公司，德国曼柴油机欧洲股份公司的联营公司 | Spool valve with reduced cavitation damage |
| CN206522507U (en) * | 2017-01-06 | 2017-09-26 | 重庆金山医疗器械有限公司 | A kind of fluid switching solenoid valve and the endoscope equipped with the magnetic valve |
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| CN106870800B (en) | 2022-12-30 |
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