CN206809439U - A kind of dentistry center negative-pressure ward system bit selecting valve - Google Patents
A kind of dentistry center negative-pressure ward system bit selecting valve Download PDFInfo
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- CN206809439U CN206809439U CN201621303988.XU CN201621303988U CN206809439U CN 206809439 U CN206809439 U CN 206809439U CN 201621303988 U CN201621303988 U CN 201621303988U CN 206809439 U CN206809439 U CN 206809439U
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- bit selecting
- selecting valve
- film body
- valve film
- negative
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Abstract
The utility model discloses a kind of dentistry center negative-pressure ward system bit selecting valve, including potentiometric controller, bit selecting valve film body, O-ring, soon U-shaped folder, slotting nipple and slotting coupling soon, the potentiometric controller is arranged on the bit selecting valve film body, the bit selecting valve film body uses 90 ° of corner structures, the access port connection nipple slotting soon of the bit selecting valve film body, the outlet connection coupling slotting soon of bit selecting valve film body, the access port and outlet of the bit selecting valve film body are provided with the O-ring and U-shaped folder.Bit selecting valve installation site of the present utility model is in the negative pressure line of connection dental multipurpose therapy unit and central negative-pressure ward system, realize centralizedly supply negative-pressure ward, control strong and weak suction on every dental multipurpose therapy unit, lift the i.e. controllable negative pressure of handle and open work, airflow noise warning and alarm warning are reduced when putting back to handle, remind whether dentist's handle puts position well, ensure negative pressure system energy conservation, pipeline decompression.
Description
Technical field
It the utility model is related to the technical field of suction in dental applications system, more particularly to a kind of dentistry center negative-pressure ward system
With bit selecting valve.
Background technology
At present, the dental multipurpose therapy unit quantity that large-scale stomatological hospital and dental clinic possess is all more, generally requires list
Central negative-pressure ward system is solely configured, suction force can be provided for strong, the weak suction nozzle of dental multipurpose therapy unit at any time, patient is solved and controls
Oral cavity retains saliva and treatment fog water during treatment, protection tooth room pure air, reduces dental clinical infection rate.
Tooth chair in general mini clinic is less than 2, can use one-to-one configuration negative-pressure ward system, it is not necessary to center
Bit selecting valve, but be more than 3 tooth chairs, just using negative-pressure ward system is concentrated during design, every tooth chair configures a negative-pressure ward not
It is cost-effective, it is necessary to use central bit selecting valve.Strong, the weak suction handle of dental multipurpose therapy unit is by mounted in handle set position electromagnetism
Valve controls start-stop, sends its signal to negative-pressure ward system by signal wire, controls negative-pressure ward system negative pressure start-stop；Such as
The one-to-one control of fruit is out of question, but cannot just be realized using the dentistry negative-pressure ward system of center control, it is necessary to carry out every
Platform tooth chair bit selecting controls central negative-pressure ward system work, takes into account energy-conservation, efficient, pipe decompression.The existing bit selecting valve of in the market, its
Control principle is by atmospheric pressure, is opened and closed in corner with valve, realizes diaphragm retracts expansion control negative pressure line break-make.In tooth
Doctor but when being put into screens, exists and put in use, be that negative pressure is opened very normal when human hand picks up strong and weak suction nozzle in the presence of very big problem
It is not in place to enter screens position, incorrect, strong and weak suction nozzle can not stop aspirating completely, and be prompted without alarm function, not reach very
Negative-pressure ward system is controlled well.In addition, bit selecting valve typically uses 24V power supplies, signal wire uses less than 0.75 square, belonged to
Vulnerabilities scan, but in the market dentistry center negative-pressure ward systems provider is various, and its equipment general type has：Gaseous ring pump dry type is taken out
Desorption system, the wet type suction system of gaseous ring pump half, gaseous ring pump wet type suction system, liquid rotary pump wet type suction system etc., their control
System signal line processed reserves form various kinds, so it is multi-functional to need the signal wire interface for solving bit selecting valve to have.It is and existing
Bit selecting valve is a kind of normally close valve, can only unidirectionally be used, and draw inlet, the connection of outlet interface are inconvenient, do not use and take over a job soon
Connect, inlet and outlet connectors are not used to misplace to design and taken over a job soon, and installation direction is chaotic.
Utility model content
Based on above the deficiencies in the prior art, the technical problem that the utility model solves is to provide a kind of dentistry center
Negative-pressure ward system bit selecting valve, realizes to concentrate and supplies negative-pressure ward source, and each dental multipurpose therapy unit controls alone that tooth chair is strong, weak suction
Head start and stop, realize that suction nozzle has air-flow to reduce sound and sound controller warning when being put into screens, solve thin signal wire and long range cloth
Signal wire no signal during line, signal transmits not smooth problem during strong, weak domination.
In order to solve the above-mentioned technical problem, the utility model provides a kind of dentistry center negative-pressure ward system bit selecting valve,
Including potentiometric controller, bit selecting valve film body, O-ring, soon U-shaped folder, slotting nipple and slotting coupling soon, the potentiometric controller peace
On the bit selecting valve film body, the bit selecting valve film body uses 90 ° of corner structures, the access port connection of the bit selecting valve film body
The nipple slotting soon, the outlet connection coupling slotting soon of bit selecting valve film body, the access port of the bit selecting valve film body and
Outlet is provided with the O-ring and U-shaped folder.
The dentistry center negative-pressure ward provided as the preferred embodiment of above-mentioned technical proposal, the utility model embodiment
System bit selecting valve further comprises the part or all of of following technical characteristic：
As the improvement of above-mentioned technical proposal, the bit selecting valve film body is three two logical solenoid diaphragm valves.
In one embodiment of the present utility model, the potentiometric controller is provided with three road binding posts.
As the improvement of above-mentioned technical proposal, the road binding posts of potentiometric controller Shang tri- connect 24V power supplies respectively
Power supply, tooth chair power suck frame signaling switch and negative-pressure ward system signal switch.
Preferably, the bit selecting valve is installed on the dental units with dentistry center negative-pressure ward system.
Preferably, the bit selecting valve is made of abrasion-proof corrosion-proof corrosion material.
Compared with prior art, the technical solution of the utility model has the advantages that：Bit selecting of the present utility model
Valve installation site is in the negative pressure line of connection dental multipurpose therapy unit and central negative-pressure ward system, realizes that centralizedly supply is born
Pressure suction, strong and weak suction on every dental multipurpose therapy unit is controlled, lift the i.e. controllable negative pressure of handle and open work, when putting back to handle
Airflow noise warning and alarm warning are reduced, reminds whether dentist's handle puts position well, ensures negative pressure system energy conservation, pipe
Depressurize on road.Realize to concentrate and supply negative-pressure ward source, each dental multipurpose therapy unit controls alone that tooth chair is strong, weak suction nozzle start and stop, realizes suction
Head has air-flow to reduce sound and sound controller warning when being put into screens, and signal wire is without letter when solving thin signal wire and connecting up over long distances
Number problem, signal transmits not smooth problem when solving strong, weak domination.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, and in order to allow above and other purpose of the present utility model, feature
It can be become apparent with advantage, below in conjunction with preferred embodiment, and coordinate accompanying drawing, described in detail as follows.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, the accompanying drawing of embodiment will be made below simple
Ground introduction.
Fig. 1 is the structural representation of the dentistry center negative-pressure ward system bit selecting valve of the utility model preferred embodiment.
Fig. 2 is the control principle ladder of the dentistry center negative-pressure ward system bit selecting valve of the utility model preferred embodiment
Figure.
Fig. 3 is the pipeline connection figure of the dentistry center negative-pressure ward system bit selecting valve of the utility model preferred embodiment.
Embodiment
Describe specific embodiment of the present utility model in detail below in conjunction with the accompanying drawings, its as part of this specification,
Illustrate principle of the present utility model by embodiment, other aspects of the present utility model, feature and its advantage are detailed by this
Illustrate to become apparent.In the accompanying drawing of institute's reference, same or analogous part is attached using identical in different figures
Figure grade represents.
As shown in Figure 1 to Figure 3, the bit selecting valve in the utility model, which is mainly arranged on, has central negative-pressure ward system bar
On oral cavity dental multipurpose therapy unit under part.Dental clinic is that the apolegamy of tooth chair is had at every as central negative-pressure ward system
One negative pressure device control piece is installed on dental unit：Bit selecting valve.In dental clinic or stomatological hospital, when dentist examines
Strong, the weak suction for needing to use dental multipurpose therapy unit is treated, when lifting strong, weak suction handle on machine, strong, the weak fine motion sucked above frame
Switch (or inductive switch) will turn on power supply, and its signal passes to bit selecting valve and controls central negative-pressure ward system to open work.
After the valve film body of bit selecting valve is opened, strong, the weak water for inhaling handle sucking-off, gas will flow to central negative pressure system by bit selecting valve valve film body
System.Bit selecting valve is come the keying of control valve film body inner sealing diaphragm, to control the keying of central negative pressure line by magnetic valve.
Specifically, dentistry center negative-pressure ward system of the present utility model includes potentiometric controller 10, bit selecting with bit selecting valve
Valve film body 20, O-ring 30, soon U-shaped folder 40, slotting nipple 50 and fast slotting coupling 60, the potentiometric controller 10 are arranged on institute
State on bit selecting valve film body 20, potentiometric controller 10 is provided with three road binding posts, and it is strong and weak to connect 24V power supplies, tooth chair respectively
Frame signaling switch and negative-pressure ward system signal switch are sucked, wherein, 24V power supplys are derived from dental multipurpose therapy unit control terminal,
Tooth chair power sucks frame signaling switch and connected with corresponding bit selecting valve signal position with flexible cord, negative-pressure ward system signal switch with it is corresponding
The connection of bit selecting valve signal position can have a variety of selections：Flexible cord, netting twine, wireless device, 3G communication devices, WiFi wireless power transmissions dress
Put.
Bit selecting valve film body 20 of the present utility model uses 90 ° of corner structures, bit selecting valve film body 20 be three two energization magnetic every
Film valve, diaphragm retracts expansion control negative pressure line break-make and valve keying signal are realized in corner by atmospheric pressure.The choosing
The access port connection nipple 50 slotting soon of position valve film body 20, the outlet connection coupling slotting soon of bit selecting valve film body 20
60, bit selecting valve access port is connected with the fast slotting interior coupling rapid card position of outlet, the access port of the bit selecting valve film body 20
The O-ring 30 and U-shaped folder 40 are provided with outlet, bit selecting valve is connected to the vacuum lines mouth of pipe by O-ring 30, to bit selecting
Access port, the outlet of valve are strictly sealed.U-shaped folder 40 is fast to the inside and outside joint slotting soon of bit selecting valve access port and outlet
Fast screens.
Preferably, the bit selecting valve is made of abrasion-proof corrosion-proof corrosion material, solves abrasion and the etching problem of bit selecting valve.
Bit selecting valve installation site of the present utility model is in connection dental multipurpose therapy unit and central negative-pressure ward system
In negative pressure line, centralizedly supply negative-pressure ward is realized, strong and weak suction on every dental multipurpose therapy unit is controlled, it is i.e. controllable to lift handle
Negative pressure processed opens work, and airflow noise warning and alarm warning are reduced when putting back to handle, reminds whether dentist's handle puts position well
Put, ensure negative pressure system energy conservation, pipeline decompression.Realize to concentrate and supply negative-pressure ward source, each dental multipurpose therapy unit is controlled alone
Tooth chair processed is strong, weak suction nozzle start and stop, realizes that suction nozzle has air-flow to reduce sound and sound controller warning when being put into screens, solves thin signal
Line and signal wire no signal problem when connecting up over long distances, signal transmits not smooth problem when solving strong, weak domination.
Described above is preferred embodiment of the present utility model, certainly can not with this come limit the utility model it
Interest field, it is noted that for those skilled in the art, before the utility model principle is not departed from
Put, some improvement and variation can also be made, these are improved and variation is also considered as the scope of protection of the utility model.
Claims (1)
1. a kind of dentistry center negative-pressure ward system bit selecting valve, it is characterised in that including potentiometric controller, bit selecting valve film body, O
Type circle, soon U-shaped folder, slotting nipple and slotting coupling soon, the potentiometric controller is on the bit selecting valve film body, the choosing
Position valve film body uses 90 ° of corner structures, and the access port connection of the bit selecting valve film body is described to insert nipple soon, bit selecting valve film body
The outlet connection coupling slotting soon, the access port and outlet of the bit selecting valve film body are provided with the O-ring and U-shaped
Folder；The bit selecting valve film body is three two logical solenoid diaphragm valves；The potentiometric controller is provided with three road binding posts；The electricity
The road binding posts of level controller Shang tri- connect 24V power supplies respectively, tooth chair power sucks frame signaling switch and negative-pressure ward
System signal switchs；The bit selecting valve is installed on the dental units with dentistry center negative-pressure ward system；The bit selecting valve
It is made of abrasion-proof corrosion-proof corrosion material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303988.XU CN206809439U (en) | 2016-11-30 | 2016-11-30 | A kind of dentistry center negative-pressure ward system bit selecting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621303988.XU CN206809439U (en) | 2016-11-30 | 2016-11-30 | A kind of dentistry center negative-pressure ward system bit selecting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206809439U true CN206809439U (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621303988.XU Active CN206809439U (en) | 2016-11-30 | 2016-11-30 | A kind of dentistry center negative-pressure ward system bit selecting valve |
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| CN (1) | CN206809439U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538767A (en) * | 2018-12-04 | 2019-03-29 | 东莞立港医疗器材有限公司 | A kind of air bit selecting valve |
-
2016
- 2016-11-30 CN CN201621303988.XU patent/CN206809439U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538767A (en) * | 2018-12-04 | 2019-03-29 | 东莞立港医疗器材有限公司 | A kind of air bit selecting valve |
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