CN108488522A - A kind of quick coupling device with check valve of dental handpiece - Google Patents
A kind of quick coupling device with check valve of dental handpiece Download PDFInfo
- Publication number
- CN108488522A CN108488522A CN201810231054.7A CN201810231054A CN108488522A CN 108488522 A CN108488522 A CN 108488522A CN 201810231054 A CN201810231054 A CN 201810231054A CN 108488522 A CN108488522 A CN 108488522A
- Authority
- CN
- China
- Prior art keywords
- spool
- adapter body
- wall
- spring
- check valve
- 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.)
- Pending
Links
Classifications
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/22—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
- F16L37/23—Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
- A61C1/08—Machine parts specially adapted for dentistry
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/38—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings
- F16L37/40—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
- F16L37/407—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of the two pipe-end fittings with a lift valve being opened automatically when the coupling is applied the lift valve being of the ball type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Epidemiology (AREA)
- Dentistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention relates to dentistry fields, and in particular to a kind of quick coupling device with check valve of dental handpiece, it includes quick coupling device ontology, which includes adapter body, spool portion, cutting ferrule portion and check valve；The adapter body is the cylindrical body of center perforation, and adapter body one end patches the dental handpiece for needing to be connected；The spool portion is arranged in the inside of adapter body；It is provided with cutting ferrule portion at the top of the adapter body；The spool bottom in the spool portion is provided with check valve；It is used as dental handpiece and tooth chair or the connecting elements of other equipment using quick coupling；It has convenient disassembly, and simple operation, safety is good, greatlys improve the working efficiency of dentist.
Description
【Technical field】
The present invention relates to dentistry fields, and in particular to a kind of quick coupling device with check valve of dental handpiece.
【Background technology】
Dental handpiece mainly the operations such as is bored, is ground one's teeth in sleep for department of stomatology clamping high-speed dental sewing machine needle.Dental handpiece connects at present
It is still generally nipple connection when connecing tooth chair or other equipment, there are the following problems in practical work process：
Although there is higher reliability, disassembly and installation using nipple when dental handpiece connects tooth chair or other equipment
When it is inconvenient, reduce working efficiency.
【Invention content】
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of dental handpieces with the quick of check valve
Piecing devices, it is used as dental handpiece and tooth chair or the connecting elements of other equipment using quick coupling；It has dismounting side
Just, simple operation, safety is good, greatlys improve the working efficiency of dentist.
A kind of quick coupling device with check valve of dental handpiece of the present invention, it includes quick coupling device sheet
Body, the quick coupling device ontology include adapter body, spool portion, cutting ferrule portion and check valve；The adapter body is that center is passed through
Logical cylindrical body, adapter body one end patch the dental handpiece for needing to be connected；The spool portion is arranged in the inside of adapter body；
It is provided with cutting ferrule portion at the top of the adapter body；The spool bottom in the spool portion is provided with check valve.
Further, the adapter body includes shell, and annular groove is provided on the upper part of the housing outer wall, outside the shell
It is provided with outer wall step in the middle part of wall, the upper inside wall of the shell is provided with inner wall step, spool chamber is provided in shell；The shell
Top, annular groove are uniformly arranged below with several taper holes；
Further, the spool portion includes spool one, valve core spring, spring pedestal, primary nut and Oil/Gas Pipe, the spool one
It is arranged in adapter body, the spool chamber in adapter body, the head of the shape and spool one of spool chamber is arranged in the head of spool one
Portion's shape matches；The valve core spring is sheathed on one outer wall of spool, the valve core spring it is axial respectively with the spool one
The step of step and spring pedestal offsets so that the step of the spool one, which has, is close to the inner wall step that adapter body is stated in residence
Trend.
Further, the cutting ferrule portion includes activity card sets, cutting ferrule spring, baffle ring, multiple lock pearls, and the snap ring setting exists
In the annular groove of adapter body；The active card is set on the outside of adapter body；The cutting ferrule spring axially is supported to be located at and be connect
Between the outer wall step and the step of activity card sets of head main body, cutting ferrule spring it is axial respectively with the outer wall step of adapter body and work
The inner side step of dynamic cutting ferrule offsets so that activity card sets have the tendency that withstanding baffle ring upwards；The shield ring sleeve is set to adapter body
Outside；The outside of the adapter body is equipped with the taper hole that the quantity that a circle radially penetrates through matches with the lock pearl, and lock pearl is set
In in the taper hole, taper hole aperture at adapter body outer wall is more than the diameter of lock pearl, and the taper hole is at adapter body inner wall
Aperture is less than the diameter of lock pearl, and is sheathed in the activity card sets of adapter body outer wall so that lock pearl will not completely disengage taper hole.
Further, the check valve includes spool mandril, upper cover, ball valve core two, one-way valve spring, valve body；It is described
Valve body upper end is provided with upper cover, and the bottom of the valve chamber in valve body is provided with one-way valve spring, and sphere is equipped on one-way valve spring
Spool two；Through-hole is arranged in the upper cover top surface, and the top of spool mandril is inserted through through-hole and supports to ball valve core two, spool mandril
Top to the spool one in spool portion in；It is provided with sealing ring between the valve body and spool one.
Further, the cutting ferrule portion includes snap ring, and the snap ring is the C-shaped ring being set in outside adapter body, setting
In the annular groove of the end of adapter body outer wall, snap ring outer diameter is more than the internal orifice dimension of baffle ring, and snap ring limitation baffle ring cannot be detached from
Adapter body.
Further, the baffle ring is annular, and the outer diameter of baffle ring is more than the internal orifice dimension of activity card sets, and baffle ring limits active card
Set cannot be detached from adapter body.
Further, the spool one is set to adapter body inner cavity, and the valve core spring is sheathed on spool outer wall；The valve
The axial step respectively with the step of the spool one and spring pedestal of core spring offsets so that the step of the spool one has
It is close to the trend that adapter body inner wall step is stated in residence..
With the above structure, the present invention has the beneficial effect that：A kind of dental handpiece of the present invention with check valve
Quick coupling device, it is used as dental handpiece and tooth chair or the connecting elements of other equipment using quick coupling；It, which has, tears open
It unloads conveniently, simple operation, safety is good, greatlys improve the working efficiency of dentist.
【Description of the drawings】
Attached drawing described herein is to be used to provide further understanding of the present invention, and is constituted part of this application, but not
Inappropriate limitation of the present invention is constituted, in the accompanying drawings：
Fig. 1 is the schematic cross-sectional view of the present invention；
Fig. 2 is the structural schematic diagram of the adapter body in the present invention；
Fig. 3 is the structural schematic diagram of the present invention and dental handpiece；
Reference sign：
1, adapter body；11, inner wall step；12, outer wall step；13, taper hole；14, annular groove；15, spool chamber；2, spool portion；
21, spool；22, valve core spring；23, spring pedestal；24, primary nut；25, Oil/Gas Pipe；3, cutting ferrule portion；31, activity card sets；32、
Cutting ferrule spring；33, baffle ring；34, snap ring；35, pearl is locked；4, check valve；41, spool mandril；42, upper cover；43, sealing ring；44, ball
Body spool two；45, one-way valve spring；46, valve body；5, quick coupling device ontology；6, dental handpiece.
【Specific implementation mode】
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, and illustrative examples therein and explanation are only
For explaining the present invention, but it is not as a limitation of the invention.
As shown in Figure 1-Figure 3, the quick coupling dress with check valve of a kind of dental handpiece described in present embodiment
It sets, it includes quick coupling device ontology 5, which includes adapter body 1, spool portion 2,3 and of cutting ferrule portion
Check valve 4；The adapter body 1 is the cylindrical body of center perforation, and 1 one end of adapter body patches the dental handpiece 6 for needing to be connected；
The spool portion 2 is arranged in the inside of adapter body 1；1 top of the adapter body is provided with cutting ferrule portion 3；The spool portion 2
Spool bottom is provided with check valve 4.
Further, the adapter body 1 includes shell, is provided with annular groove 14 on the upper part of the housing outer wall, the shell
Outer wall in the middle part of be provided with outer wall step 12, the upper inside wall of the shell is provided with inner wall step 11, spool is provided in shell
Chamber 15；The upper part of the housing, annular groove 14 are uniformly arranged below with several taper holes 13；
Further, the spool portion 2 includes spool 1, valve core spring 22, spring pedestal 23, primary nut 24 and Oil/Gas Pipe
25, the spool 1 is arranged in adapter body 1, and the spool chamber 15 in adapter body 1, spool is arranged in the head of spool 1
The shape of chamber 15 is matched with the head shape of spool 1；The valve core spring 22 is sheathed on one 21 outer wall of spool, the valve
The axial step respectively with the step of the spool 1 and spring pedestal 23 of core spring 22 offsets so that the spool 1
Step has the trend for being close to the inner wall step 11 that adapter body 1 is stated in residence.
Further, the cutting ferrule portion 3 includes activity card sets 31, cutting ferrule spring 32, baffle ring 33, multiple lock pearls 35, described
Snap ring 34 is arranged in the annular groove 14 of adapter body 1；The activity card sets 31 are arranged in the outside of adapter body 1；The card
Axial support of sleeve spring 32 is located between the outer wall step 12 of adapter body 1 and the step of activity card sets 31, and cutting ferrule spring 32 is axial
The inner side step with the outer wall step 12 of adapter body 1 and activity card sets 31 offsets respectively so that activity card sets 31 have upward top
The firmly trend of baffle ring 33；The baffle ring 33 is sheathed on the outside of adapter body 1；The outside of the adapter body 1 is equipped with a circle diameter
The taper hole 13 to match to the quantity of perforation with the lock pearl 35, lock pearl 35 are placed in the taper hole 13, and taper hole 13 is in connector master
Aperture is more than the diameter of lock pearl 35 at 1 outer wall of body, and the aperture at 1 inner wall of adapter body of the taper hole 13 is less than the straight of lock pearl 35
Diameter, and be sheathed in the activity card sets 31 of adapter body outer wall so that lock pearl 35 will not completely disengage taper hole 13.
Further, the check valve 4 include spool mandril 41, upper cover 42, ball valve core 2 44, one-way valve spring 45,
Valve body 46；46 upper end of the valve body is provided with upper cover 42, and the bottom of the valve chamber in valve body 46 is provided with one-way valve spring 45, unidirectionally
Ball valve core 2 44 is installed on valve spring 45；42 face of upper caping is arranged through-hole, and the top of spool mandril 41 is inserted through logical
Hole is supported to ball valve core 2 44, in the top to the spool 1 in spool portion 2 of spool mandril 41；The valve body and spool 1
Between be provided with sealing ring 43.
Further, the cutting ferrule portion 3 includes snap ring 34, and the snap ring 34 is the c-type being set in outside adapter body 1
Ring is arranged in the annular groove 14 of the end of 1 outer wall of adapter body, and 34 outer diameter of snap ring is more than the internal orifice dimension of baffle ring 33, snap ring 34
Limitation baffle ring 33 cannot be detached from adapter body 1.
Further, the baffle ring 33 is annular, and the outer diameter of baffle ring 33 is more than the internal orifice dimension of activity card sets 31, and baffle ring 33 limits
Activity card sets 31 processed cannot be detached from adapter body 1.
Further, the spool 1 is set to adapter body inner cavity, and the valve core spring 22 is sheathed on spool outer wall；Institute
It states the axial step respectively with the step of the spool 1 and spring pedestal 23 of valve core spring 22 to offset so that the spool one
21 step, which has, is close to the trend that 1 inner wall step 11 of adapter body is stated in residence.
Working principle of the present invention is as follows：
In the design, quick coupling device ontology 5 includes adapter body 1, spool portion 2, cutting ferrule portion 3, check valve 4；Adapter body
It is made of shell, inner wall step 11, outer wall step 12, taper hole 13, annular groove 14, spool chamber 15；Spool portion 2 by spool 1,
Valve core spring 22, spring pedestal 23 form；Cutting ferrule portion 3 is by activity card sets 31, cutting ferrule spring 32, baffle ring 33, snap ring 34, Duo Gesuo
Pearl 35 forms.
When in use, in the activity card sets 31 in the interface end access cutting ferrule portion 3 of dental handpiece 7, snap ring 34 blocks the design
It is located in the corresponding card slot of 7 interface end of dental handpiece, baffle ring 33 is annular, and the outer diameter of baffle ring 33 is more than the interior of activity card sets 31
Aperture, baffle ring 33, which limits activity card sets 31, cannot be detached from adapter body 1；Axial support of cutting ferrule spring 32 is located at the outer of adapter body 1
Between wall stand rank 12 and the step of activity card sets 31, to conveniently withhold the interface end of dental handpiece 7, quickly clamping is formed,
Both connection had been facilitated to be also convenient for dismantling.
In the design, when dental handpiece 7 accesses in quick coupling device ontology 5, dental handpiece 7 downwards driving spool 21 to
Lower movement, while the spool mandril 41 of check valve 4 moves downward, spool mandril 41 drives ball valve core 2 44 to move downward, single
It is shunk to valve spring 45, forms conducting.When dental handpiece 7 when not in use, push activity card sets move downward, take out dentistry hand
Machine, the band movable valve plug mandril 41 under the action of valve core spring 22 of spool 21 moves upwardly together at this time, while a lock pearl 35 pushes
Outward, limitation activity card sets set back；In the reply force effect of one-way valve spring 45, ball valve core 2 44 moves upwards, with
Contact surface between upper cover 42 forms sealing, so that check valve 4 is in cut-off state.
A kind of quick coupling device with check valve of dental handpiece of the present invention, it is used as using quick coupling
Dental handpiece and tooth chair or the connecting elements of other equipment；It has convenient disassembly, and simple operation, safety is good, greatly carries
The working efficiency of high dentist.
A kind of quick coupling device with check valve of dental handpiece of the present invention, it is used as using quick coupling
Dental handpiece and tooth chair or the connecting elements of other equipment；It has convenient disassembly, and simple operation, safety is good, greatly carries
The working efficiency of high dentist.
The above is only the better embodiment of the present invention, therefore all constructions according to described in present patent application range,
The equivalent change or modification that feature and principle are done, is included within the scope of present patent application.
Claims (8)
1. a kind of quick coupling device with check valve of dental handpiece, it includes quick coupling device ontology, the quick coupling
Device body includes adapter body, spool portion, cutting ferrule portion and check valve；The adapter body is the cylindrical body of center perforation, is connect
Head main body one end patches the dental handpiece for needing to be connected；The spool portion is arranged in the inside of adapter body；The adapter body
Top is provided with cutting ferrule portion；The spool bottom in the spool portion is provided with check valve.
2. a kind of quick coupling device with check valve of dental handpiece according to claim 1, it is characterised in that：It is described
Adapter body includes shell, and annular groove is provided on the upper part of the housing outer wall, and outer wall step is provided in the middle part of the outer wall of the shell,
The upper inside wall of the shell is provided with inner wall step, and spool chamber is provided in shell；The upper part of the housing, annular groove lower section are uniformly set
It is equipped with several taper holes.
3. a kind of quick coupling device with check valve of dental handpiece according to claim 1, it is characterised in that：It is described
Spool portion includes spool one, valve core spring, spring pedestal, primary nut and Oil/Gas Pipe, and the spool one is arranged in adapter body,
The spool chamber in adapter body is arranged in the head of spool one, and the shape of spool chamber is matched with the head shape of spool one；It is described
Valve core spring is sheathed on one outer wall of spool, the valve core spring it is axial respectively with the step of the spool one and the platform of spring pedestal
Rank offsets so that the step of the spool one has the trend for being close to the inner wall step that adapter body is stated in residence.
4. a kind of quick coupling device with check valve of dental handpiece according to claim 1, it is characterised in that：It is described
Cutting ferrule portion includes activity card sets, cutting ferrule spring, baffle ring, multiple lock pearls, and the snap ring is arranged in the annular groove of adapter body；Institute
State the outside that active card is set on adapter body；The cutting ferrule spring axially supports the outer wall step for being located at adapter body and activity
Between the step of cutting ferrule, the axial inner side step respectively with the outer wall step of adapter body and activity card sets of cutting ferrule spring offsets,
So that activity card sets have the tendency that withstanding baffle ring upwards；The shield ring sleeve is set to the outside of adapter body；The adapter body
Outside is equipped with the taper hole that the quantity that a circle radially penetrates through matches with the lock pearl, and lock pearl is placed in the taper hole, and taper hole is connecing
Aperture is more than the diameter of lock pearl at head body outer wall, and taper hole aperture at adapter body inner wall is less than the diameter of lock pearl, and
It is sheathed in the activity card sets of adapter body outer wall so that lock pearl will not completely disengage taper hole.
5. a kind of quick coupling device with check valve of dental handpiece according to claim 1, it is characterised in that：It is described
Check valve includes spool mandril, upper cover, ball valve core two, one-way valve spring, valve body；The valve body upper end is provided with upper cover, valve
The bottom of internal valve chamber is provided with one-way valve spring, and ball valve core two is equipped on one-way valve spring；The upper cover top surface is set
Through-hole is set, the top of spool mandril is inserted through through-hole and supports to ball valve core two, the spool in top to the spool portion of spool mandril
In one；It is provided with sealing ring between the valve body and spool one.
6. a kind of quick coupling device with check valve of dental handpiece according to claim 4, it is characterised in that：It is described
Cutting ferrule portion includes snap ring, and the snap ring is the C-shaped ring being set in outside adapter body, is arranged in the end of adapter body outer wall
In annular groove, snap ring outer diameter is more than the internal orifice dimension of baffle ring, and snap ring limitation baffle ring cannot be detached from adapter body.
7. a kind of quick coupling device with check valve of dental handpiece according to claim 4, it is characterised in that：It is described
Baffle ring is annular, and the outer diameter of baffle ring is more than the internal orifice dimension of activity card sets, and baffle ring limitation activity card sets cannot be detached from adapter body.
8. a kind of quick coupling device with check valve of dental handpiece according to claim 3, it is characterised in that：It is described
Spool one is set to adapter body inner cavity, and the valve core spring is sheathed on spool outer wall；The valve core spring it is axial respectively with it is described
The step of spool one and the step of spring pedestal offset so that the step of the spool one, which has, to be close to residence and state in adapter body
The trend of wall stand rank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231054.7A CN108488522A (en) | 2018-03-20 | 2018-03-20 | A kind of quick coupling device with check valve of dental handpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231054.7A CN108488522A (en) | 2018-03-20 | 2018-03-20 | A kind of quick coupling device with check valve of dental handpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108488522A true CN108488522A (en) | 2018-09-04 |
Family
ID=63318860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810231054.7A Pending CN108488522A (en) | 2018-03-20 | 2018-03-20 | A kind of quick coupling device with check valve of dental handpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488522A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295095A (en) * | 2020-10-29 | 2021-02-02 | 湖南师范大学 | Hand-washing-free disinfectant device |
| CN112338858A (en) * | 2020-12-03 | 2021-02-09 | 刘明青 | Dental low-speed mobile phone disassembling device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120964A (en) * | 1998-08-13 | 2000-04-28 | Saito Shokai:Kk | Socket for quick disconnect release coupling |
| CN201330906Y (en) * | 2009-01-08 | 2009-10-21 | 郭黄民 | Quick connecter |
| CN201916630U (en) * | 2011-01-20 | 2011-08-03 | 胡嘉林 | Self-locking type quick coupling |
| CN202360968U (en) * | 2011-11-22 | 2012-08-01 | 宁波中立实业有限公司 | Multi-positioning flared quick connector |
| DE102014001327A1 (en) * | 2014-02-04 | 2015-08-06 | Harald A. Sonnleitner | valve cartridge |
-
2018
- 2018-03-20 CN CN201810231054.7A patent/CN108488522A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120964A (en) * | 1998-08-13 | 2000-04-28 | Saito Shokai:Kk | Socket for quick disconnect release coupling |
| CN201330906Y (en) * | 2009-01-08 | 2009-10-21 | 郭黄民 | Quick connecter |
| CN201916630U (en) * | 2011-01-20 | 2011-08-03 | 胡嘉林 | Self-locking type quick coupling |
| CN202360968U (en) * | 2011-11-22 | 2012-08-01 | 宁波中立实业有限公司 | Multi-positioning flared quick connector |
| DE102014001327A1 (en) * | 2014-02-04 | 2015-08-06 | Harald A. Sonnleitner | valve cartridge |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112295095A (en) * | 2020-10-29 | 2021-02-02 | 湖南师范大学 | Hand-washing-free disinfectant device |
| CN112338858A (en) * | 2020-12-03 | 2021-02-09 | 刘明青 | Dental low-speed mobile phone disassembling device |
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