CN209253194U - A kind of dental pump - Google Patents
A kind of dental pump Download PDFInfo
- Publication number
- CN209253194U CN209253194U CN201821685441.XU CN201821685441U CN209253194U CN 209253194 U CN209253194 U CN 209253194U CN 201821685441 U CN201821685441 U CN 201821685441U CN 209253194 U CN209253194 U CN 209253194U
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- CN
- China
- Prior art keywords
- tube body
- sealing ring
- diameter
- filter stick
- dental pump
- 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.)
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Abstract
A kind of dental pump, it includes a connecting tube, the suction pipe tube body that one one end is connect with the connecting tube, and the switch of a setting suction pipe tube body radial direction, the connecting tube includes a tube body, one is arranged in the through-hole of the tube body axial direction, an and filter stick for being plugged in the tube body radial direction, it include two perforation along axisymmetrical on the side wall of the tube body, the diameter of the filter stick is equal to the diameter of the perforation, and the filter stick is plugged in two perforation, the diameter of the filter stick is less than the diameter of the through-hole, so that the filter stick stops large granular impurity to pass through the connecting tube.Large granular impurity is stopped by a filter stick, the volume of filter assemblies is greatly reduced, and the filter stick is simple and convenient, is conveniently replaceable by the filter device of the dental pump.
Description
Technical field
The utility model belongs to oral cavity medical apparatus technical field, especially a kind of dental pump.
Background technique
In dental care, patient secretion saliva influence doctor the visual field, be bottle up dentistry progress it is main because
Thus element has the application of dental pump for the ease of dental care operation.
Routine dental pump only has the function of inhaling saliva at present, and in dental pump work, the large particulate matters such as calculus dentalis can be inhaled
Enter in dental pump, result in blockage, the working life of dental pump is made to shorten.
Utility model content
In view of this, the present invention provides a kind of dental pumps that can will stop large particulate matter, to meet industry
Demand.
A kind of dental pump comprising suction pipe tube body, the Yi Jiyi that a connecting tube, an one end are connect with the connecting tube
The switch of a setting suction pipe tube body radial direction, the connecting tube include a tube body, one the tube body axial direction is set
Through-hole and one are plugged in the filter stick of the tube body radial direction, include two on the side wall of the tube body along axisymmetrical
Perforation, the diameter of the filter stick is equal to the diameter of the perforation, and the filter stick is plugged in two perforation, described
The diameter of filter stick is less than the diameter of the through-hole, so that the filter stick stops large granular impurity to pass through the connecting tube.
Further, the tube body includes two diameters the first tube body incremented by successively, the second tube body, and the through-hole includes
Two diameters first through hole incremented by successively, the second through-hole, the first through hole are arranged on first tube body, and described second
Through-hole is arranged on the second tube body.
Further, the perforation is arranged on the side wall of first tube body, and the filter stick is plugged in described the
The radial direction of one tube body.
Further, one end of the suction pipe tube body is connect with second tube body.
Further, the dental pump further includes four sealing rings.
Further, the sealing ring includes the first sealing ring, the second sealing ring, third sealing ring and the 4th sealing
Circle.
Further, each sealing ring all includes two annular grooves.
Further, the position that second tube body is connect with the suction pipe tube body, institute is arranged in first sealing ring
The free end port that the suction pipe tube body is arranged in the second sealing ring is stated, the third sealing ring and the 4th sealing ring interval are arranged
At the link position of the suction pipe tube body and the switch.
Further, the annular groove includes that two diameter first annular grooves incremented by successively and the second annular are recessed
Slot, the sealing ring are set in the first annular groove, and the second annular groove is the accommodating cavity of the sealing ring.
Further, the diameter of the first annular groove is equal to the internal diameter of the sealing ring, the second annular groove
Equal to the outer diameter of sealing ring.
Compared with prior art, dental pump provided by the utility model on the side wall of the tube body by being arranged two edges
The perforation of axisymmetrical, the filter stick are plugged in the perforation, and the diameter of the filter stick is equal to the straight of the perforation
Diameter is plugged on the tube body so that the filter stick is stable, to realize the function of the obstruction impurity of dental pump.The mistake
The diameter of filter stick is less than the diameter of the through-hole, so that the large granular impurity that the filter stick will be greater than the through-hole radius stops
In the connecting tube, to prevent the blocking of dental pump, the service life of dental pump is increased.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dental pump provided by the utility model.
Fig. 2 is the configuration schematic diagram of Fig. 1.
Fig. 3 is the schematic cross-sectional view of Fig. 2.
Specific embodiment
Specific embodiment of the utility model is further elaborated below.It should be understood that herein to this
The explanation of utility model embodiment is not used to limit the protection scope of the utility model.
It as shown in Figure 1 to Figure 3, is the structural schematic diagram of dental pump provided by the utility model.The dental pump includes
Suction pipe tube body 20, one setting 20 diameters of suction pipe tube body that one connecting tube, 10, one end are connect with the connecting tube 10
To switch 30 and four sealing rings 40, further include other some functional modules, such as organize arrangement, should be
Those skilled in the art fly the technology known, are no longer described in detail one by one herein.
The connecting tube 10 includes one tube body 11, one and the axial through-hole 12 of the tube body 11 and one is arranged in
It is plugged in the radial filter stick 13 of the tube body 11.
It include two perforation 111 along axisymmetrical on the side wall of the tube body 11, the tube body 11 includes two straight
Diameter the first tube body 112 incremented by successively, the second tube body 113, thus the outside longitudinal section stepped of the tube body 11, it is convenient with
The connection of other devices.The perforation 111 is arranged on the side wall of first tube body 112, and the filter stick 13 is plugged in institute
The impurity is intercepted in second tube body 113, prevents the blocking of dental pump, increase by the radial direction for stating the first tube body 112
The service life of dental pump.
The through-hole 12 includes two diameters first through hole 121 incremented by successively, the second through-hole 122, the first through hole
121 are arranged on first tube body 112, and second through-hole 122 is arranged on the second tube body 113, so that the tube body 11
Inside longitudinal section stepped, facilitate the connection or disassembly between the connecting tube 10 and the suction pipe tube body 20, and in institute
Under the action of stating filter stick 13, impurity is intercepted in the through-hole 12, and then can will be connected by dismantling the connecting tube 10
The cleaning of 10 impurity of pipe.
The diameter of the filter stick 13 is equal to the diameter of the perforation 111, and the filter stick 13 is plugged in described in two
In perforation 111, it is plugged in the connecting tube 10 so that the filter stick 13 is stable.The diameter of the filter stick 13 is less than institute
The diameter of through-hole 12 is stated, so that the filter stick 13 stops large granular impurity to pass through the connecting tube.And the filter stick 13 plugs
In the radial direction of first tube body 112, thus the diameter of the filter stick 13 is less than the diameter of the first through hole 121.
The suction pipe tube body 20 is the main body of dental pump, which, which is that user is hand-held, uses, the suction pipe pipe
The shape of body 20 meets ergonomics, and one end of the suction pipe tube body 20 is connect with second tube body 113, described in realization
Connection between suction pipe tube body 20 and the connecting tube 10.Since the suction pipe tube body 20 is a kind of prior art, herein no longer
It repeats
The switch 30 controls the open and close of dental pump, is a kind of prior art, details are not described herein.
The sealing ring 40 includes the first sealing ring 41, the second sealing ring 42, third sealing ring 43, the 4th sealing ring 44,
And each sealing ring 40 all includes two annular grooves 45.The sealing ring 40 enhances the leakproofness of dental pump, with
Making the vacuum effect of dental pump enhances.
The position that second tube body 113 is connect with the suction pipe tube body 20 is arranged in first sealing ring 41, thus
Enhance the leakproofness between the connecting tube 10 and suction pipe tube body 20.Second sealing ring 42 is arranged in the suction pipe pipe
The free end port of body 20, to enhance the leakproofness that the suction pipe tube body 20 is connect with external device.The third sealing
Circle 43 and the 4th sealing ring 44 are arranged at intervals at the link position of the suction pipe tube body 20 and the switch 30, to enhance
Leakproofness between the suction pipe tube body 20 and switch 30.
The annular groove 45 includes two diameters first annular groove 451 and second annular groove 452 incremented by successively.
The sealing ring 40 is set in the first annular groove 451, and the second annular groove 452 is the sealing ring 40
Accommodating cavity.The diameter of the first annular groove 451 is equal to the internal diameter of the sealing ring 40, described second annular groove 452 etc.
In the outer diameter of sealing ring 40, so that the sealing ring 40 is more stable in the position of dental pump, to improve the close of dental pump
Effect is sealed, and then enhances vacuum effect.
Compared with prior art, dental pump provided by the utility model on the side wall of the tube body 11 by being arranged two
Along the perforation 111 of axisymmetrical, the filter stick 13 is plugged in the perforation 111, and the diameter of the filter stick 13 is equal to
The diameter of the perforation 111, is plugged on the tube body 11, to realize the resistance of dental pump so that the filter stick 13 is stable
Block the function of impurity.The diameter of the filter stick 13 be less than the through-hole 12 diameter so that the filter stick 13 will be greater than it is described
The large granular impurity of 12 radius of through-hole stops in the connecting tube 10, to prevent the blocking of dental pump, increases dental pump
Service life.
The above is only the preferred embodiments of the utility model, are not used to the limitation protection scope of the utility model, any
Modification, equivalent replacement or improvement within the spirit of the present invention etc. are all covered in the scope of the claims of the utility model.
Claims (10)
1. a kind of dental pump, it is characterised in that: the dental pump includes a connecting tube (10), an one end and the connecting tube
(10) switch (30) of the suction pipe tube body (20) connected and setting suction pipe tube body (20) radial direction, the connecting tube
(10) it is plugged in including a tube body (11), a setting in the through-hole (12) of the tube body (11) axial direction and one described
The filter stick (13) of tube body (11) radial direction includes two perforation (111) along axisymmetrical, institute on the side wall of the tube body (11)
The diameter for stating filter stick (13) is equal to the diameter of the perforation (111), and the filter stick (13) is plugged in two perforation
(111) in, the diameter of the filter stick (13) is less than the diameter of the through-hole (12), so that the filter stick (13) stops big
Grain impurity passes through the connecting tube.
2. dental pump as described in claim 1, it is characterised in that: the tube body (11) includes incremented by successively of two diameters
One tube body (112), the second tube body (113), the through-hole (12) include two diameter first through hole incremented by successively (121),
Two through-holes (122), the first through hole (121) are arranged on first tube body (112), the second through-hole (122) setting
On the second tube body (113).
3. dental pump as claimed in claim 2, it is characterised in that: the perforation (111) is arranged in first tube body (112)
Side wall on, and the filter stick (13) is plugged in the radial direction of first tube body (112).
4. dental pump as claimed in claim 2, it is characterised in that: one end of the suction pipe tube body (20) and second tube body
(113) it connects.
5. dental pump as claimed in claim 2, it is characterised in that: the dental pump further includes four sealing rings (40).
6. dental pump as claimed in claim 5, it is characterised in that: the sealing ring (40) includes the first sealing ring (41), the
Two sealing rings (42), third sealing ring (43) and the 4th sealing ring (44).
7. dental pump as claimed in claim 5, it is characterised in that: each sealing ring (40) all includes two annular grooves
(45)。
8. dental pump as claimed in claim 6, it is characterised in that: first sealing ring (41) is arranged in second tube body
(113) position connecting with the suction pipe tube body (20), second sealing ring (42) are arranged in the suction pipe tube body (20)
Free end port, the third sealing ring (43) and the 4th sealing ring (44) be arranged at intervals on the suction pipe tube body (20) with it is described
At the link position for switching (30).
9. dental pump as claimed in claim 7, it is characterised in that: the annular groove (45) includes that two diameters are incremented by successively
First annular groove (451) and second annular groove (452), the sealing ring (40) is set in the first annular groove
(451) on, the second annular groove (452) is the accommodating cavity of the sealing ring (40).
10. dental pump as claimed in claim 9, it is characterised in that: the diameter of the first annular groove (451) is equal to described
The internal diameter of sealing ring (40), the second annular groove (452) are equal to the outer diameter of sealing ring (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821685441.XU CN209253194U (en) | 2018-10-17 | 2018-10-17 | A kind of dental pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821685441.XU CN209253194U (en) | 2018-10-17 | 2018-10-17 | A kind of dental pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209253194U true CN209253194U (en) | 2019-08-16 |
Family
ID=67558640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821685441.XU Active CN209253194U (en) | 2018-10-17 | 2018-10-17 | A kind of dental pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209253194U (en) |
-
2018
- 2018-10-17 CN CN201821685441.XU patent/CN209253194U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |