CN208864541U - Dental units and its joint assembly - Google Patents
Dental units and its joint assembly Download PDFInfo
- Publication number
- CN208864541U CN208864541U CN201820307815.8U CN201820307815U CN208864541U CN 208864541 U CN208864541 U CN 208864541U CN 201820307815 U CN201820307815 U CN 201820307815U CN 208864541 U CN208864541 U CN 208864541U
- Authority
- CN
- China
- Prior art keywords
- joint assembly
- hole
- suck
- water
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model discloses a kind of dental units and its joint assemblies.The joint assembly with the tail end of dental handpiece for connecting, joint assembly includes jointing and anti-suck-back device, jointing has hole for water spraying, the water outlet of hole for water spraying is used to be connected to the tail end of dental handpiece, the water inlet of hole for water spraying is provided with anti-suck-back device, and anti-suck-back device includes the anti-suck back valve for only supplying water and flowing to hole for water spraying from anti-suck-back device.An anti-suck-back device is added in the utility model in the joint assembly of dental units, the liquid of disease carrying germ is blocked in outside the conduit assembly of dental units, so that the liquid of disease carrying germ can not be by resorption into the sparge pipe of dental units, germ can not just adhere in the inner wall of sparge pipe and flourish, the different bacterium of patient's cross-infection can be effectively avoided in this way, improve the safety of dental units.
Description
Technical field
The utility model relates to dental therapeutic apparatus technical field more particularly to a kind of dental units and its connector groups
Part.
Background technique
The water route of the hose connector of dental units on the market is all through-type now, without any prevention liquid
The function of body reflux.The manufacturer of existing dental units is generally mounted on anti-suck-back device the inside of dental units,
And be to be connect by longer hose with dental units with the therapy component of human contact, in this case, stop in treatment
Moment, since hose is longer, the anti-suck-back device inside dental units can not prevent completely the liquid of disease carrying germ by resorption
Into in the hose of dental units.
This structure dental units have the following deficiencies: that the hose of dental units can not be from dentistry after doctor's use
Cleaning and sterilizing are removed on therapy apparatus, when the liquid to carry disease germs is in water pipe, thallus can be attached on the inner wall of water pipe, and breed life
It is long, in this way next time in use, being easy to the bacterium for keeping patient's cross-infection different.
Utility model content
For overcome the deficiencies in the prior art, one of the purpose of this utility model is to provide a kind of connecing for dental units
Head assembly, which can be effectively by the liquid barrier of disease carrying germ outside the hose of dental units, while not influencing to connect
The water supply function of head assembly.
The two of the purpose of this utility model are to provide a kind of dental units using above-mentioned joint assembly.
One of the purpose of this utility model is implemented with the following technical solutions:
A kind of joint assembly of dental units, the joint assembly are described to connect for connecting with the tail end of dental handpiece
Head assembly includes jointing and anti-suck-back device, and the jointing has hole for water spraying, and the water outlet of the hole for water spraying is used for
It is connected to the tail end of dental handpiece, the water inlet of the hole for water spraying is provided with the anti-suck-back device, the anti-suck-back device packet
It includes only to supply water and flows to the anti-suck back valve of the hole for water spraying from the anti-suck-back device.
In one embodiment, the anti-suck back valve has inner hole, and the water outlet of the anti-suck back valve has normally closed close
Mechanism is closed, the close mechanism can open the water outlet of the anti-suck back valve under the pressure effect of the water in the anti-suck back valve
End.
In one embodiment, the close mechanism includes the first closure blocks and the second closure blocks, first closure blocks
And second form normally closed slit between closure blocks, the slit is adjacent to water outlet and the inner hole of the connection anti-suck back valve.
In one embodiment, it is set respectively on the periphery wall of the neighbouring water outlet of first closure blocks and the second closure blocks
It is equipped with the first inclined-plane and the second inclined-plane, first inclined-plane and the second inclined-plane are symmetrical arranged and extend to out relative to the slit
Water end (W.E.), first inclined-plane and the second inclined-plane are in the distance radially along the anti-suck back valve from water inlet end to water outlet
It is gradually reduced on direction.
In one embodiment, taper hole, the cone of the taper hole are formed between first closure blocks and the second closure blocks
It is connected to the slit, the cone bottom of the taper hole is connected to the inner hole of the anti-suck back valve.
In one embodiment, the anti-suck-back device further includes sleeve and hangnail connector, and the sleeve seal is connected to
The water inlet of the hole for water spraying, the anti-suck back valve are placed in the sleeve, the periphery wall and the set of the anti-suck back valve
The internal perisporium of cylinder is tightly connected, and one end of the hangnail connector passes through the sleeve and seals and is placed in the anti-suck back valve.
In one embodiment, the joint assembly further includes connection inner sleeve and connection cap bag, the joint assembly accommodating
In in the connection inner sleeve, the connector sleeve cap sleeve is located at outside the connection inner sleeve.
In one embodiment, the jointing also has air inlet, return-air hole and fumarole.
In one embodiment, the jointing also has electrode hole and fixed string holes.
The two of the purpose of this utility model are implemented with the following technical solutions:
A kind of dental units, the dental units include host, dental handpiece and joint assembly, the joint assembly
For the joint assembly of any of the above-described embodiment, the tail end of the joint assembly and dental handpiece is connected, and the joint assembly is prevented
Suck back valve connection water pipe is simultaneously connect by the water pipe with the host.
Compared with prior art, the utility model has the beneficial effects that:
An anti-suck-back device is added in the utility model in the joint assembly of dental units, and the liquid of disease carrying germ is hindered
Gear outside the conduit assembly of dental units so that the liquid of disease carrying germ can not by resorption into the sparge pipe of dental units,
Germ can not just adhere in the inner wall of sparge pipe and flourish, and different thin of patient's cross-infection can be effectively avoided in this way
Bacterium improves the safety of dental units.
Detailed description of the invention
Fig. 1 is the joint assembly of the utility model embodiment and the decomposition diagram of conduit assembly.
Fig. 2 is the structural schematic diagram of the joint assembly of the utility model embodiment.
Fig. 3 and Fig. 4 is the structural schematic diagram of the anti-suck back valve of the utility model embodiment.
Fig. 5 is the jointing of the utility model embodiment and the top view of anti-suck-back device.
Fig. 6 is in Fig. 5 along the schematic cross-section of AA line.
In figure: 10, joint assembly；11, jointing；111, air inlet；112, return-air hole；113, hole for water spraying；114, it sprays
Stomata；115, electrode hole；116, fixed string holes；12, anti-suck-back device；121, anti-suck back valve；1211, the first closure blocks；1212,
Second closure blocks；1213, the first inclined-plane；1214, the second inclined-plane；1215, taper hole；122, sleeve；123, hangnail connector；13, even
Connect inner sleeve；14, cap bag is connected；20, conduit assembly；21, air inlet pipe；22, muffler；23, sparge pipe；24, air jet pipe.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that
Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
Referring to figs. 1 to Fig. 6, the utility model provides a kind of joint assembly 10 of dental units, which uses
It is connect in the tail end of dental handpiece (not shown), the conduit assembly 20 and dentistry of dental units is made by the joint assembly 10
Mobile phone connection supplies water, gas for dental handpiece.Conduit assembly 20 may include air inlet pipe 21, muffler 22, sparge pipe 23 and spray
Tracheae 24, preferably, air inlet pipe 21, muffler 22, sparge pipe 23 and air jet pipe 24 are hose, in order to flexible operating.Tooth
The front end opposite with tail end of section's mobile phone is provided with therapy component, such as head, and the utility model does not limit the structure of dental handpiece,
Known technology can be used, it will not be described here.
Joint assembly 10 includes jointing 11 and anti-suck-back device 12.Wherein, jointing 11 has hole for water spraying 113,
The water outlet of hole for water spraying 113 is used to be connected to the tail end of dental handpiece, and is connected to the water stream channel inside dental handpiece, passes through
The water outlet of the hole for water spraying 113 is used to form the water of mist to the supply of the water stream channel of dental handpiece.The water inlet of hole for water spraying 113 is set
It is equipped with anti-suck-back device 12, anti-suck-back device 12 includes only supplying water to flow to the anti-suck back valve of hole for water spraying 113 from anti-suck-back device 12
121, in other words, anti-suck back valve 121 only allows water uniaxially to flow to jointing by conduit assembly 20 by anti-suck-back device 12
11 hole for water spraying 113, without allowing water to be reverse flowed to conduit assembly 20 from the hole for water spraying 113 of jointing 11.The utility model
An anti-suck-back device 12 is added in the joint assembly 10 that conduit assembly 20 is connect with therapy component (such as dental handpiece), band
The liquid of germ is blocked in outside the conduit assembly 20 of dental units, so that the liquid of disease carrying germ can not be by resorption into dental treatment
In the sparge pipe 23 of machine, germ can not just adhere in the inner wall of sparge pipe 23 and flourish, and disease can be effectively avoided in this way
The different bacterium of people's cross-infection, improves the safety of dental units.
Referring to Fig. 3, Fig. 4 and Fig. 6, anti-suck back valve 121 has inner hole, and the water outlet of anti-suck back valve 121 has normally closed close
Mechanism is closed, close mechanism can open the water outlet of anti-suck back valve 121 under the pressure effect of the water in anti-suck back valve 121, make
Obtain the enough hole for water sprayings 113 that jointing 11 is flowed to by the water outlet of anti-suck back valve 121 of the water energy in anti-suck back valve 121, connection
Water in the hole for water spraying 113 of connector 11 can not be reverse flowed in anti-suck back valve 121 by the water outlet of anti-suck back valve 121, in tooth
In section's therapy apparatus use process, the liquid of disease carrying germ can be blocked in outside the conduit assembly 20 of dental units, so that in spite of illness
The liquid of bacterium can not be by resorption into the sparge pipe 23 of dental units.
In Fig. 3, Fig. 4 and Fig. 6, close mechanism includes the first closure blocks 1211 and the second closure blocks 1212, the first closure blocks
1211 and second form normally closed slit between closure blocks 1212, slit adjacent to water outlet and the inner hole of the anti-suck back valve 121 of connection,
Elastic component can be used in first closure blocks 1211 and the second closure blocks 1212, by first closure blocks 1211 and the second closure blocks
1212 form a kind of valve for controlling water one-way flow.
First is also respectively provided on the periphery wall of the neighbouring water outlet of first closure blocks 1211 and the second closure blocks 1212
Inclined-plane 1213 and the second inclined-plane 1214, the first inclined-plane 1213 and the second inclined-plane 1214 are symmetrical arranged and extend to out relative to slit
Water end (W.E.), the first inclined-plane 1213 and the second inclined-plane 1214 are in the distance radially along anti-suck back valve 121 from water inlet end to water outlet
It is gradually reduced on the direction at end, in other words, on the direction from water inlet end to water outlet, the first inclined-plane 1213 and the second inclined-plane
The advantages of 1214 gradually tilt to the axis of anti-suck back valve 121, form a kind of structure that front end is slightly sharp, and this structure designs exists
In, the hole for water spraying 113 that water flows to jointing 11 by the water outlet of anti-suck back valve 121 is not influenced, meanwhile, jointing 11
When the water of hole for water spraying 113 is intended to be reverse flowed in anti-suck back valve 121, the water of reverse flow can apply pressure to 1213 He of the first inclined-plane
On second inclined-plane 1214, the pressure of the application promotes the first inclined-plane 1213 and the second inclined-plane 1214 to relatively move, and makes the first closure
Slit more becomes to being closed between block 1211 and the second closure blocks 1212, and the pressure of application is bigger, and the first closure blocks 1211 and second are closed
Slit closure is closer between conjunction block 1212, therefore, the water of pressure can be effectively prevent from the hole for water spraying of jointing 11
113 are reverse flowed to the conduit assembly 20 in anti-suck back valve 121 with dental units.
Referring to Fig. 6, taper hole 1215 is also formed between the first closure blocks 1211 and the second closure blocks 1212, wherein taper hole
1215 cone is connected to slit, and the cone bottom of taper hole 1215 is connected to the inner hole of anti-suck back valve 121.Water in anti-suck back valve 121 is flowing
To jointing 11 hole for water spraying 113 when, when the water in anti-suck back valve 121 flows through taper hole 1215, taper hole 1215 can be improved water
Pressure, so that the water in anti-suck back valve 121 be made to pass through the hole for water spraying 113 that slit flows to jointing 11.
Referring to Fig. 2 and Fig. 6, anti-suck-back device 12 further includes sleeve 122 and hangnail connector 123.Wherein, sleeve 122 seals
It is connected to the water inlet of hole for water spraying 113, anti-suck back valve 121 is placed in sleeve 122, the periphery wall and sleeve of anti-suck back valve 121
122 internal perisporium is tightly connected, and one end of hangnail connector 123 passes through sleeve 122 and seals and is placed in anti-suck back valve 121,
The other end of thorn connector 123 is for connecting sparge pipe 23.
Referring to Fig.1, joint assembly 10 further includes connection inner sleeve 13 and connection cap bag 14, and joint assembly 10 is placed in connection
Set 13 in, connection cap bag 14 be set in connection inner sleeve 13 outside, by the connection inner sleeve 13 and connection cap bag 14 can easily by
Joint assembly 10 is connect with the tail end of dental handpiece.
Referring to Fig. 2, jointing 11 also has air inlet 111, return-air hole 112 and fumarole 114.Wherein, air inlet 111
The turbine of dental handpiece can be driven to rotate by fittings air inlet pipe 21 to supply driving gas to dental handpiece；Return-air
Hole 112 can be by fittings muffler 22, and drive gas flow flows to return-air hole 112 after turbine；Fumarole 114 can lead to
It crosses fittings air jet pipe 24 and blows bits gas to spray.
Referring to Fig. 2, jointing 11 also has electrode hole 115 and fixed string holes 116, wherein electrode hole 115 is for being packed into
Electrode package, for fixed string holes 116 for installing fixing line, fixing line is for preventing electric wire to be pulled off in use.
The utility model also provides a kind of dental units, which includes host (not shown), dental handpiece
(not shown) and joint assembly 10, the joint assembly 10 are above-mentioned joint assembly 10, wherein joint assembly 10 and dental handpiece
Tail end connection, the anti-suck back valve 121 of joint assembly 10 connects water pipe and simultaneously connect by water pipe with host.The utility model is unlimited
The structure of host processed, can be used known technology, and it will not be described here.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims
Within the scope of.
Claims (10)
1. a kind of joint assembly of dental units, for connecting with the tail end of dental handpiece, feature exists the joint assembly
In the joint assembly includes jointing and anti-suck-back device, and the jointing has hole for water spraying, and the hole for water spraying goes out
The mouth of a river is used to be connected to the tail end of dental handpiece, and the water inlet of the hole for water spraying is provided with the anti-suck-back device, described to prevent back
Inhaling device includes the anti-suck back valve for only supplying water and flowing to the hole for water spraying from the anti-suck-back device.
2. joint assembly according to claim 1, which is characterized in that the anti-suck back valve has inner hole, the anti-resorption
The water outlet of valve has normally closed close mechanism, and the close mechanism can under the pressure effect of the water in the anti-suck back valve
Open the water outlet of the anti-suck back valve.
3. joint assembly according to claim 2, which is characterized in that the close mechanism includes the first closure blocks and second
Closure blocks form normally closed slit between first closure blocks and the second closure blocks, the slit is adjacent to water outlet and connection
The inner hole of the anti-suck back valve.
4. joint assembly according to claim 3, which is characterized in that first closure blocks and the second closure blocks it is neighbouring
The first inclined-plane and the second inclined-plane are respectively arranged on the periphery wall of water outlet, first inclined-plane and the second inclined-plane are relative to described
Slit be symmetrical arranged and extend to water outlet, first inclined-plane and the second inclined-plane along the anti-suck back valve radially away from
It is gradually reduced from the direction from water inlet end to water outlet.
5. joint assembly according to claim 3, which is characterized in that shape between first closure blocks and the second closure blocks
At taper hole, the cone of the taper hole is connected to the slit, and the cone bottom of the taper hole is connected to the inner hole of the anti-suck back valve.
6. joint assembly according to claim 1, which is characterized in that the anti-suck-back device further includes that sleeve and hangnail connect
Head, the sleeve seal are connected to the water inlet of the hole for water spraying, and the anti-suck back valve is placed in the sleeve, described to prevent back
The internal perisporium of the periphery wall and the sleeve of inhaling valve is tightly connected, and one end of the hangnail connector passes through the sleeve and seals appearance
It is placed in the anti-suck back valve.
7. joint assembly according to claim 1, which is characterized in that the joint assembly further includes connection inner sleeve and connection
Cap bag, the joint assembly are placed in the connection inner sleeve, and the connector sleeve cap sleeve is located at outside the connection inner sleeve.
8. joint assembly according to claim 1, which is characterized in that the jointing also has air inlet, return-air hole
And fumarole.
9. joint assembly according to claim 1, which is characterized in that the jointing also has electrode hole and fixing line
Hole.
10. a kind of dental units, which is characterized in that the dental units include host, dental handpiece and joint assembly, institute
Stating joint assembly is joint assembly described in claim 1 to 9 any one, the tail end company of the joint assembly and dental handpiece
It connects, the anti-suck back valve connection water pipe of the joint assembly is simultaneously connect by the water pipe with the host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307815.8U CN208864541U (en) | 2018-03-06 | 2018-03-06 | Dental units and its joint assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820307815.8U CN208864541U (en) | 2018-03-06 | 2018-03-06 | Dental units and its joint assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208864541U true CN208864541U (en) | 2019-05-17 |
Family
ID=66460933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820307815.8U Active CN208864541U (en) | 2018-03-06 | 2018-03-06 | Dental units and its joint assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208864541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425439A (en) * | 2021-05-28 | 2021-09-24 | 崔双双 | Joint fixing and locking device based on oral medical instrument |
-
2018
- 2018-03-06 CN CN201820307815.8U patent/CN208864541U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113425439A (en) * | 2021-05-28 | 2021-09-24 | 崔双双 | Joint fixing and locking device based on oral medical instrument |
| CN113425439B (en) * | 2021-05-28 | 2022-12-06 | 中国工程物理研究院职工医院 | Joint fixing and locking device based on oral medical instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208864541U (en) | Dental units and its joint assembly | |
| CN209500234U (en) | A kind of nasal cleaner of fast changeable spray head | |
| CN206577235U (en) | GI Medicine esophagus medicator | |
| CN210992558U (en) | Medicine spraying device for otolaryngological nursing | |
| CN213347404U (en) | Breathe clinical medicine sprayer of using of internal medicine | |
| CN2636858Y (en) | Irrigator for nasal cavity | |
| CN209997006U (en) | sterilizing and humidifying device for rhinitis patients | |
| CN109513077B (en) | A internal medicine atomizing treatment equipment for respiratory disease | |
| CN202161428U (en) | Oral water suction tube | |
| CN208785489U (en) | A kind of disposable atomizer | |
| CN206576965U (en) | External cooled dental high-speed cell phone | |
| CN213667310U (en) | Oral cavity continuous humidifying device | |
| JP2000233023A (en) | Nasal cavity washer | |
| CN209137726U (en) | A kind of oral disinfecting device of department of stomatology dental implant | |
| CN206103088U (en) | Otolaryngology therapeutic instrument | |
| CN2576198Y (en) | Safety tooth drill of preventing from back suction | |
| CN207693846U (en) | Dental comprehensive therapeutic chair | |
| CN203663239U (en) | Atomizer connecting tube | |
| CN110339051A (en) | A kind of adjustable nasal cavity irrigator | |
| CN210020830U (en) | Breathe internal medicine with spouting medicine device | |
| CN104436403B (en) | A kind of oral cavity partial anesthesia outfit | |
| CN205307566U (en) | Medical straw of preventing chocing | |
| CN211356956U (en) | Air sterilizing machine with single spray nozzle | |
| CN211187606U (en) | Disposable three-purpose gun nozzle for dentistry | |
| CN214970626U (en) | Respiratory tract intubation tube made of bioactive glass material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |