CN209018982U - A kind of component of high speed dental turbo mobile phone - Google Patents
A kind of component of high speed dental turbo mobile phone Download PDFInfo
- Publication number
- CN209018982U CN209018982U CN201820624271.8U CN201820624271U CN209018982U CN 209018982 U CN209018982 U CN 209018982U CN 201820624271 U CN201820624271 U CN 201820624271U CN 209018982 U CN209018982 U CN 209018982U
- Authority
- CN
- China
- Prior art keywords
- machine mandrel
- component
- rolling bearing
- mobile phone
- high speed
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of component of high speed dental turbo mobile phone, belong to dental equipment technical field, including shell and through the machine mandrel of the shell, machine core outer shaft sleeve is equipped with turbine, the identical rolling bearing of structure is respectively arranged with above and below turbine, the bottom end of machine mandrel is provided with vehicle needle, rolling bearing is the rolling bearing with dustproof cover, rubber positioning ring is provided with outside rolling bearing, the lower end of shell is provided with rear cover, spring ring is provided between rear cover and rolling bearing, dust-proof cushion is provided between rear cover and machine mandrel, it is provided with outside shell for component to be installed to the locking ball in dental handpiece casing.The utility model effectively plays the effect of noise reduction, and bring shakes when reducing turbo driving, improves the service life of high speed turbine mobile phone.
Description
Technical field
The utility model relates to dental equipment technical field, in particular to a kind of component of high speed dental turbo mobile phone.
Background technique
Dental handpiece is a kind of common medical instrument of the department of stomatology, its working principle is that using high pressure air pressure blow turbine after
And run at high speed with motor-car needle, revolving speed dispels dental caries bad tissue, or preparation usually at 200,000 revs/min or more, to cut tooth body
Baking-ceramic tooth, it can also be used to artificial tooth of polishing etc..
The various types of high speed dental turbo mobile phone, in addition in quality other than difference, there are also it is miscellaneous not
Same appearance and diversified subsidiary function, such as the mode of loading-unloading vehicle needle just have thimble-type, tighten formula and push button；It is cold
But mode has that spraying with single hole, diplopore is spraying, three holes are spraying and four holes are spraying；Have with illumination functions；There is band air blowing function
Can；Have with anti-resorption function；Have with quick connector；It also varies in terms of torque, also specializes in backteeth and children
The mini head used, even there are also automatically pressure limitings etc. for other aspects.
Since the working environment of dental handpiece is the adverse circumstances such as more dust, humidity, dental handpiece must satisfy height
Revolving speed, high-precision, low noise and the requirement of long-life, wherein dental drill bearings play a key role in dental drill component, bearing
As vulnerable part, directly affect the service life of dental handpiece, also, existing dental handpiece also because of its structure the problem of it is also easy
There is the problem that noise is big, the service life is short.
Utility model content
The utility model provides a kind of component of high speed dental turbo mobile phone, solves existing dental handpiece and easily appears in
Noise is big, problem that the service life is short.
In order to solve the above technical problems, the technical solution adopted by the utility model is:
A kind of component of high speed dental turbo mobile phone, including shell and through the machine mandrel of the shell, the machine mandrel
It is set with turbine outside, the identical rolling bearing of structure, the bottom of the machine mandrel are respectively arranged with above and below the turbine
End is provided with vehicle needle, and the rolling bearing is the rolling bearing with dustproof cover, and rubber positioning is provided with outside the rolling bearing
Circle, the lower end of the shell is provided with rear cover, is provided with spring ring between the rear cover and the rolling bearing, the rear cover and
It is provided with dust-proof cushion between the machine mandrel, is provided with outside the shell for component to be installed to the positioning in dental handpiece casing
Steel ball.
Wherein it is preferred to which the wobble shaft, which is contracted, includes outer ring and inner ring, the dustproof cover is integrally formed with the outer ring,
Gap between the dustproof cover and the inner ring is less than 0.04mm.
Wherein it is preferred to which the dust-proof cushion is set in outside the machine mandrel, and as the machine mandrel rotates together.
Wherein it is preferred to which the dust-proof cushion bottom end is provided with the protrusion along machine mandrel's radial direction, setting is covered after described
There is annular groove matched with the bulge.
Wherein it is preferred to which the machine mandrel is both ends open, hollow column；Vehicle needle is provided in the machine mandrel
Clamping piece, the lower part of the machine mandrel, which is provided with, has the inner wall with taper, and band taper is protruded into the lower part of the vehicle needle clamping piece
Inner wall at.
Wherein it is preferred to which the vehicle needle clamping piece is three valve springs or pintongs spring.
Wherein it is preferred to which the inner wall of the machine mandrel is provided with screw thread, the top of the vehicle needle clamping piece is provided with and institute
State the screw thread that machine core axle thread matches.
The utility model has the beneficial effects that
The utility model is compact-sized, and the bearing which uses makes rolling bearing for the rolling bearing with dustproof cover
It can adapt to dental handpiece dust, moist working environment, also, be provided with rubber positioning ring outside rolling bearing, in rear cover
Spring ring is provided between bearing, bring shakes when effectively playing the effect of noise reduction, and reducing turbo driving, improves
The service life of high speed turbine mobile phone.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model dental handpiece component；
Fig. 2 is the structural schematic diagram of rolling bearing in the utility model.
In figure, 1. shells, 2. machine mandrels, 3. turbines, 4. rolling bearings, the outer ring 4-1., 4-2. inner ring, 4-3. dustproof cover,
5. vehicle needle, 6. rubber positioning rings, 7. rear covers, 7-1. annular groove, 8. spring rings, 9. dust-proof cushions, 9-1. protrusion, 10. vehicle needles folder
Gripping member, 11. screw threads, 12. locking balls
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, it the present embodiment provides a kind of component of 3 mobile phone of high speed dental turbo, including shell 1 and passes through
The machine mandrel 2 of shell 1 is worn, turbine 3 is set with outside machine mandrel 2, the identical rolling of structure is respectively arranged with above and below turbine 3
Dynamic bearing 4, the bottom end of machine mandrel 2 are provided with vehicle needle 5, and rolling bearing 4 is the rolling bearing 4 with dustproof cover 4-3, rolling bearing
Including outer ring 4-1 and inner ring 4-2, dustproof cover 4-3 is integrally formed with outer ring 4-1, the gap between dustproof cover 4-3 and inner ring 4-2
Less than 0.04mm.Since high-speed dental drill component is worked under more dust, moist mal-condition, this requires preventing for bearing
For dirt lid 4-3 inner hole to the unilateral control in gap of inner ring 4-2 outer circle within 0.05mm, common dustproof groove design is extremely difficult to this
One requires.
It is provided with rubber positioning ring 6 outside rolling bearing 4,6 flexible fastening of Bearing support rubber positioning ring is in shell 1.Shell
Lower end be provided with rear cover 7, be provided with spring ring 8 between rear cover 7 and rolling bearing 4, rear cover 7 and spring ring 8, which rise, to be stepped up plus axis
It is acted on to power, spring ring 8 plays certain buffer function to axial force.It is provided with dust-proof cushion 9 between rear cover 7 and machine mandrel 2, prevents
Dirt pad 9 is set in outside the machine mandrel 2, and as the machine mandrel 2 rotates together.9 bottom end of dust-proof cushion is provided with along machine mandrel 2
Radial raised 9-1 is provided with the annular groove 7-1 matched with protrusion 9-1 on rear cover 7, and dust-proof cushion 9 and rear cover 7 match
Dust-proof mechanism is formed, the path for making foreign matter enter head becomes complicated, and foreign matter can be prevented to enter head, use is provided with outside shell
In by component install dental handpiece casing in locking ball 12.
Wherein, machine mandrel 2 is both ends open, hollow column；Vehicle needle clamping piece 10, machine core are provided in machine mandrel 2
The lower part of axis 2, which is provided with, has the inner wall with taper, and the lower part of vehicle needle clamping piece 10 is protruded at the inner wall with taper.Delay unloading downwards
The internal diameter of needle clamping piece 10, machine mandrel 2 becomes smaller, so that vehicle needle clamping piece 10 can clamp vehicle needle 5, in the present invention, vehicle needle
Clamping piece 10 is three valve springs or pintongs spring.
Wherein, the inner wall of machine mandrel 2 is provided with screw thread 11, and the top of vehicle needle clamping piece 10 is provided with and 2 roller line of machine mandrel
The screw thread 11 to match.It is provided with screw thread 11, vehicle needle clamping piece 10 can be made to be fixed in machine mandrel 2, in uneasy entrucking needle 5,
Vehicle needle clamping piece 10 can be fixed in machine mandrel 2, the easily top to machine core top of vehicle needle clamping piece 10 when avoiding machine core idle running, easily
The problem for causing vehicle needle clamping piece 10 easy to damage.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of component of high speed dental turbo mobile phone, including shell and outside the machine mandrel of the shell, the machine mandrel
It is set with turbine, the identical rolling bearing of structure, the bottom end of the machine mandrel are respectively arranged with above and below the turbine
It is provided with vehicle needle, it is characterised in that: the rolling bearing is the rolling bearing with dustproof cover, is provided with outside the rolling bearing
Rubber positioning ring, the lower end of the shell are provided with rear cover, and spring ring, institute are provided between the rear cover and the rolling bearing
It states and is provided with dust-proof cushion between rear cover and the machine mandrel, be provided with outside the shell for component to be installed dental handpiece casing
Interior locking ball.
2. a kind of component of high speed dental turbo mobile phone according to claim 1, it is characterised in that: the axis of rolling is contracted
Outer ring and inner ring are included, the dustproof cover is integrally formed with the outer ring, and the gap between the dustproof cover and the inner ring is less than
0.04mm。
3. a kind of component of high speed dental turbo mobile phone according to claim 1, it is characterised in that: the dust-proof cushion suit
In outside the machine mandrel, and as the machine mandrel rotates together.
4. a kind of component of high speed dental turbo mobile phone according to claim 3, it is characterised in that: the dust-proof cushion bottom end
It is provided with the protrusion along machine mandrel's radial direction, is covered after described and is provided with annular groove matched with the bulge.
5. a kind of component of high speed dental turbo mobile phone according to claim 1, it is characterised in that: the machine mandrel is two
End opening, hollow column；Vehicle needle clamping piece is provided in the machine mandrel, the lower part of the machine mandrel is provided with band
The lower part of the inner wall of taper, the vehicle needle clamping piece is protruded at the inner wall with taper.
6. a kind of component of high speed dental turbo mobile phone according to claim 5, it is characterised in that: the vehicle needle clamping piece
For three valve springs or pintongs spring.
7. a kind of component of high speed dental turbo mobile phone according to claim 5, it is characterised in that: the machine mandrel it is interior
Wall is provided with screw thread, and the top of the vehicle needle clamping piece is provided with the screw thread to match with the machine core axle thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820624271.8U CN209018982U (en) | 2018-04-27 | 2018-04-27 | A kind of component of high speed dental turbo mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820624271.8U CN209018982U (en) | 2018-04-27 | 2018-04-27 | A kind of component of high speed dental turbo mobile phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209018982U true CN209018982U (en) | 2019-06-25 |
Family
ID=66868083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820624271.8U Expired - Fee Related CN209018982U (en) | 2018-04-27 | 2018-04-27 | A kind of component of high speed dental turbo mobile phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209018982U (en) |
-
2018
- 2018-04-27 CN CN201820624271.8U patent/CN209018982U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 Termination date: 20200427 |