CN101143111B - Dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device - Google Patents
Dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device Download PDFInfo
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- CN101143111B CN101143111B CN2007100662755A CN200710066275A CN101143111B CN 101143111 B CN101143111 B CN 101143111B CN 2007100662755 A CN2007100662755 A CN 2007100662755A CN 200710066275 A CN200710066275 A CN 200710066275A CN 101143111 B CN101143111 B CN 101143111B
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Abstract
The invention provides a diaphragm valve device specially used in a universal dental unit for preventing lumen resorption, including an upper base plate, a lower base plate and a rubber diaphragm. The upper base plate is provided with an upper pressure windpipe joint, a branch joint at the lateral side of a rack valve windpipe, a branch joint at the lateral side of a driving windpipe and a branch joint at the lateral side of a cooling water pipe which are correspondingly communicated with an air passage, a pressure windpipe joint and a pressure air vent at the inside surface. The inside surface is provided with a branch ventilating pit at the lateral side of the driving windpipe, a first ventilating pit of pressure air, a second ventilating pit of pressure air and a third ventilating pit of pressure air, and the three pits are communicated by mines. The lower base plate is provided with a branch pressure-releasing pit at the lateral side of the pressure windpipe and the air passage, and the pit and the passage are communicated by the mine, and the rubber diaphragm is correspondingly provided with pores. The invention ensures that the driving airflow and the cooling water flow are disconnected, and synchronously the pressure airflow enters into the two lumens, thus the lumens can not form negative pressure, and a dental hand piece head can not produce resorption pollution, which avoids the iatrogenic cross infection and provides the public health with the powerful guarantee.
Description
Technical field the invention belongs to a kind of dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device.
High speed turbine mobile phone on the background technology dental unit, hereinafter to be referred as dental handpiece, the resorption pollution problem that exists, in Chinese patent CN2902218Y description, narrated relatively comprehensively, the huge hidden danger that it has existed in people have disclosed at present dental therapeutic apparatus both at home and abroad, the grave danger that causes to publilc health.In order to address this problem, the solution that this patent provides is to connect a non-return switch that is communicated with atmosphere respectively propping up with the side of the driving gas flow tube of dental handpiece rear end and cooling water pipe, when work gas, when current disconnect, negative pressure is inhaled the close out sheet of this switch (Movable valve) down in the pipe, in the air admission pipe, in time eliminate negative pressure, thereby avoid the tube chamber resorption to pollute.Owing to there is the difficulty on the manufacturing process, still be that plastic production all exists precision little with metal, mis-tie misclosure is reacted insensitive problem.During operate as normal, the phenomenon that drives the gas leakage of collaborating in gas flow tube or the cooling water pipe happens occasionally, when disconnecting work gas, water, though can effectively open valve, natural air enters may be untimely in the pipe, and negative pressure still may form in the tube chamber, and the resorption pollution problem can not get thorough solution.The necessary improvement.
Summary of the invention the objective of the invention is to propose a kind of air tightly do not collaborate, open and close freely, can effectively avoid negative pressure generation in the tube chamber, prevent the dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device that resorption pollutes better, to overcome the deficiencies in the prior art.
This dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device that the present invention proposes is characterized in that it has upper substrate and infrabasal plate, has glue film between upper substrate and the infrabasal plate; The upper substrate outer surface has tracheal pressure joint, dental handpiece hanger valve bronchial collateral joint, driving bronchial collateral joint, cooling water pipe side to prop up joint, forced draft volume adjustment switch, the tracheal pressure joint communicates with the pressure pore that laterally moves under water, the pressure pore other end seals bolt, the vertical direction in this hole is equipped with the forced draft volume adjustment switch, and the logical pressure air flue of this switch outlet is in inner surface; The upper substrate inner surface has: the pressure air flue, drive the bronchial collateral air flue, cooling water pipe side branch airway, hanger valve bronchial collateral air flue, drive bronchial collateral ventilation hole, the pressure gas first ventilation hole, the pressure gas second ventilation hole, pressure gas threeway air pit, wherein drive the bronchial collateral air flue, cooling water pipe side branch airway, hanger valve bronchial collateral air flue respectively with the driving bronchial collateral joint of outer surface, the cooling water pipe side is propped up joint, dental handpiece hanger valve bronchial collateral joint communicates, the pressure gas first ventilation hole, the pressure gas second ventilation hole, communicate with mine between the pressure gas threeway air pit, communicate with mine between driving the bronchial collateral air flue and the ventilation of driving bronchial collateral being cheated.
Have on the infrabasal plate inner surface: the tracheal pressure side is propped up release of pressure hole, driven bronchial collateral release of pressure hole, the cooling water pipe side is propped up the release of pressure hole, drive bronchial collateral crosses gas pitting, hanger valve bronchial collateral ventilation hole, the tracheal pressure side is propped up release of pressure hole and is communicated with mine with hanger valve bronchial collateral ventilation hole, drives bronchial collateral release of pressure hole, cooling water pipe side and props up the release of pressure hole and cross the gas pitting with the driving bronchial collateral and communicate with mine.
Hanger valve bronchial collateral passage is arranged on the glue film, drive the bronchial collateral passage, hanger valve bronchial collateral passage communicates with the hanger valve bronchial collateral air flue of upper substrate, the hanger valve bronchial collateral ventilation hole of infrabasal plate, and driving bronchial collateral passage is cheated with the driving bronchial collateral ventilation of upper substrate, the driving bronchial collateral of infrabasal plate is crossed the gas pitting and communicated.
Upper substrate, glue film and infrabasal plate are fixed into one with screw.
Forced draft volume adjustment switch, drive bronchial collateral air flue, cooling water pipe side branch airway, hanger valve gas flow tube side branch airway, and respective tube joint, air flue, structure constitute one the dental handpiece rear end driven the control group of gas flow tube and the anti-resorption of cooling water pipe, can adorn a plurality of such control groups on same upper substrate.
Glue film is sheet rubber, sheet, plastic film or photoplate.
Prop up release of pressure hole, driving bronchial collateral release of pressure hole and cooling water pipe side in the tracheal pressure side and prop up all flexible material in the release of pressure hole, as sponge, slinky spring etc., purpose is to adjust pressure differential and the displacement of minimizing glue film in the hole, increases the service life.
Work process of the present invention is such: driving bronchial collateral joint and cooling water pipe side are propped up joint and are connected with the driving trachea and the cooling water pipe of dental handpiece rear end respectively, the tracheal pressure joint is followed pressure gas source, dental handpiece hangs on the frame at ordinary times, hanger valve bronchial collateral joint and hanger valve source of the gas are connected, prop up the aeration pressurization of release of pressure hole to the pressure gas side on the infrabasal plate, hole top glue film is close to the pressure air flue and is shut, and airless enters in dirty each air passage structure.When taking off dental handpiece from hanger, pressure gas side is propped up release of pressure hole internal pressure and is disappeared, glue film struts, forced draft can enter first, second and third ventilation hole of pressure gas, depress the dental unit foot switch again, during the dental handpiece running, driving endotracheal pressure reaches along passage and drives bronchial collateral release of pressure hole and cooling water side and prop up in release of pressure cheats, glue film is adjacent to drive bronchial collateral air flue and cooling water pipe side branch airway and stuffiness, each gas transmission waterpipe of dental handpiece is in normal operating conditions.When decontroling the dental unit foot switch, the driving intratracheal pressure disappears, the forced draft of cheating out from second and third ventilation of pressure gas props up the glue film in release of pressure hole and struts driving bronchial collateral release of pressure hole and cooling water pipe side, air-flow enters respectively and drives bronchial collateral air flue, cooling water pipe side branch airway, the negative pressure of synchronism eliminates tube chamber inside avoids resorption to pollute.
Because the present invention drives the disconnection of air-flow, cooling water flow and forced draft and enters in this two tube chamber and carry out synchronously, so this two tube chamber can not form negative pressure, the dental handpiece head can not produce resorption and pollute, avoided medical cross infection, for public health provides powerful guarantee.
Description of drawings
Accompanying drawing 1 is a local elliptical front view of the present invention.
Accompanying drawing 2 is left views.
Accompanying drawing 3 is local elliptical vertical views.
Accompanying drawing 4 is front views of local elliptical infrabasal plate, is the state that removes upper substrate and glue film among the figure.
Accompanying drawing 5 is A-A profiles of infrabasal plate.
Accompanying drawing 6 is front views of the upper substrate of broken section, for removing the state of infrabasal plate and glue film, is equivalent to the upward view of accompanying drawing 1 this moment among the figure.
Accompanying drawing 7 is B-B profiles of upper substrate.
Accompanying drawing 8 is front views of glue film.
Accompanying drawing 9 is the present invention's fundamental diagrams when being connected with mobile phone, the position when dotted line represents that glue film is strutted among the figure.
Among the accompanying drawing 1-9, the label of each parts is as follows:
1-tracheal pressure joint; 2-high speed dental turbo mobile phone rack valve bronchial collateral joint; 3-drives the bronchial collateral joint; The 4-upper substrate; 5-cooling water pipe side is propped up joint; The 6-glue film; 7-forced draft volume adjustment switch; The 8-infrabasal plate; 9-pressure pore seals bolt; 10 hold-down screws; 11-drives bronchial collateral release of pressure hole; 12-cooling water pipe side is propped up the release of pressure hole; 13-drives bronchial collateral and crosses the gas pitting; 14-hanger valve bronchial collateral is crossed the gas pitting; The horizontal mine of 15-(comprising all the horizontal mines on upper substrate and the infrabasal plate); 16-tracheal pressure side is propped up the release of pressure hole; The 17-fixing threaded hole; 18-cooling water pipe side branch airway; 19-pressure gas threeway air pit; 20-drives the bronchial collateral air flue; 21-hanger valve bronchial collateral air flue; 22-drives bronchial collateral ventilation hole; The 23-pressure gas first ventilation hole; 24-pressure air flue; The 25-pressure gas second ventilation hole; 26-pressure pore; 27-pressure air cock tapered plug; The spacing snap ring of 28-; The 29-seal gasket; 30-hanger valve bronchial collateral passage (corresponding No. 14 and No. 21); 31-drives bronchial collateral passage (corresponding No. 13 and No. 22); 32-drives trachea; The 33-cooling water pipe; 34-cools off trachea; The 35-muffler.
The specific embodiment is shown in Fig. 1-8, with long 70mm, wide 35mm, the pyrite of thick 10mm is made upper substrate (4), leave pressure pore (26) according to figure on the plate, screw thread dress tracheal pressure joint (1) is driven at the two ends in hole respectively and the pressure pore seals bolt (9), and the vertical side in hole is opened screw thread channel, bellmouth and pressure air flue, dress forced draft volume adjustment switch (7), punching dress dental handpiece hanger valve bronchial collateral joint (2), driving bronchial collateral joint (3) and cooling water pipe side are propped up joint (5).The inner surface of upper substrate is opened pressure air flue (24), the pressure gas first ventilation hole (23), pressure gas second ventilation hole (25), the pressure gas threeway air pit (19), drives bronchial collateral air flue (20), cooling water pipe side branch airway (18), is driven bronchial collateral ventilation hole (22) and hanger valve bronchial collateral air flue (21).Three groups of dental handpiece hanger valve bronchial collateral joints of assembling, driving bronchial collateral joint, cooling water pipe side are propped up joint and forced draft volume adjustment switch on the upper substrate, three dental handpiece water delivery feed channel on the just corresponding combined therapy desk.
Glue film (6) is made of the thick soft rubber cloth of 0.5mm, according to the figure perforate.
Infrabasal plate (8) and the same length and width of upper substrate, the brass sheet of thick 7mm is made.The tracheal pressure side of opening on the plate inner surface props up release of pressure hole (16), driving bronchial collateral release of pressure hole (11) and cooling water pipe side, to prop up release of pressure hole (12) be circular pit, cheats dark 2mm, horizontal mine (15).Driving bronchial collateral crosses gas pitting (13) and tracheal pressure side and propped up gas pitting (14) the 3-4mm degree of depth is also arranged.
Prop up release of pressure hole in the tracheal pressure side, drive bronchial collateral release of pressure hole and cooling water pipe side and prop up in the release of pressure hole and place gas-pervious sponge material, the displacement when being propped up to adjust pressure differential and to reduce glue film reduces it and moves degree of fatigue, increases the service life.
Upper substrate, glue film and infrabasal plate three assemblies are fixed into one with eight screws (10).Be connected according to the annexation of the accompanying drawing 9 rear end pipeline with three dental handpieces on the device of this example and the combined therapy desk, through half a year on probation, effect makes the trier very satisfied.Through the test of certain domestic authoritative institution, this routine device does not have any resorption phenomenon.
When sponge material plastic cloth, soft gauze, foam plastics replacement, effect is suitable.
Claims (5)
1. a dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device is characterized in that it has upper substrate and infrabasal plate, has glue film between upper substrate and the infrabasal plate; The upper substrate outer surface has tracheal pressure joint, dental handpiece hanger valve bronchial collateral joint, driving bronchial collateral joint, cooling water pipe side to prop up joint, forced draft volume adjustment switch, the tracheal pressure joint communicates with the transverse pressure pore, the vertical direction in this hole is equipped with the forced draft volume adjustment switch, and the logical pressure air flue of this switch outlet is in inner surface; The upper substrate inner surface has: above-mentioned pressure air flue, drive the bronchial collateral air flue, cooling water pipe side branch airway, hanger valve bronchial collateral air flue, drive bronchial collateral ventilation hole, the pressure gas first ventilation hole, the pressure gas second ventilation hole, pressure gas threeway air pit, wherein drive the bronchial collateral air flue, cooling water pipe side branch airway, hanger valve bronchial collateral air flue respectively with the driving bronchial collateral joint of outer surface, the cooling water pipe side is propped up joint, dental handpiece hanger valve bronchial collateral joint communicates, the pressure gas first ventilation hole, the pressure gas second ventilation hole, communicate with mine between the pressure gas threeway air pit, communicate with same mine between driving the bronchial collateral air flue and the ventilation of driving bronchial collateral being cheated; Have on the infrabasal plate inner surface: the tracheal pressure side is propped up release of pressure hole, driven bronchial collateral release of pressure hole, the cooling water pipe side is propped up the release of pressure hole, drive bronchial collateral crosses gas pitting, hanger valve bronchial collateral ventilation hole, the tracheal pressure side is propped up release of pressure hole and is communicated with same mine with hanger valve bronchial collateral ventilation hole, drives bronchial collateral release of pressure hole, cooling water pipe side and props up the release of pressure hole and cross the gas pitting with the driving bronchial collateral and communicate with same mine; Hanger valve bronchial collateral passage is arranged on the glue film, drive the bronchial collateral passage, hanger valve bronchial collateral passage communicates with the hanger valve bronchial collateral air flue of upper substrate, the hanger valve bronchial collateral ventilation hole of infrabasal plate, and driving bronchial collateral passage is cheated with the driving bronchial collateral ventilation of upper substrate, the driving bronchial collateral of infrabasal plate is crossed the gas pitting and communicated.
2. dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device according to claim 1, it is characterized in that a forced draft volume adjustment switch, drive bronchial collateral air flue, cooling water pipe side branch airway, hanger valve gas flow tube side branch airway, and respective tube joint, air flue, structure constitute one the dental handpiece rear end driven the control group of gas flow tube and the anti-resorption of cooling water pipe, can adorn a plurality of such control groups on same upper substrate.
3. dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device according to claim 1 is characterized in that upper substrate, glue film and infrabasal plate are screwed to be integral.
4. dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device according to claim 1 is characterized in that glue film is sheet rubber, sheet, plastic film or photoplate.
5. according to the described dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device of one of claim 1-4, it is characterized in that propping up release of pressure hole, driving bronchial collateral release of pressure hole and cooling water pipe side in the tracheal pressure side props up all flexible material in the release of pressure hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100662755A CN101143111B (en) | 2007-10-15 | 2007-10-15 | Dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100662755A CN101143111B (en) | 2007-10-15 | 2007-10-15 | Dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101143111A CN101143111A (en) | 2008-03-19 |
| CN101143111B true CN101143111B (en) | 2010-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100662755A Expired - Fee Related CN101143111B (en) | 2007-10-15 | 2007-10-15 | Dental comprehensive therapeutic desk vessel resorption preventing special-purpose diaphragm valve device |
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| Country | Link |
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| CN (1) | CN101143111B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667984A (en) * | 2019-01-25 | 2019-04-23 | 江苏岱洛医疗科技有限公司 | A kind of miniature integrated regulating valve |
| CN115154175B (en) * | 2022-06-23 | 2024-03-12 | 广州艾捷斯医疗器械有限公司 | Dental treatment table packaging structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299251A (en) * | 1998-03-19 | 2001-06-13 | 沃伦·戴维斯 | Illuminated suction tool with a disposable tip |
| JP2003019147A (en) * | 2001-07-10 | 2003-01-21 | Osada Res Inst Ltd | 4-port air valve |
| CN201094675Y (en) * | 2007-10-15 | 2008-08-06 | 刘帆 | Dental comprehensive therapy unit lumen sucking-back prevention special-purpose diaphragm valve device |
-
2007
- 2007-10-15 CN CN2007100662755A patent/CN101143111B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1299251A (en) * | 1998-03-19 | 2001-06-13 | 沃伦·戴维斯 | Illuminated suction tool with a disposable tip |
| JP2003019147A (en) * | 2001-07-10 | 2003-01-21 | Osada Res Inst Ltd | 4-port air valve |
| CN201094675Y (en) * | 2007-10-15 | 2008-08-06 | 刘帆 | Dental comprehensive therapy unit lumen sucking-back prevention special-purpose diaphragm valve device |
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| Publication number | Publication date |
|---|---|
| CN101143111A (en) | 2008-03-19 |
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Granted publication date: 20100908 Termination date: 20131015 |