CN209966592U - Low-speed dental handpiece with atomization control function - Google Patents
Low-speed dental handpiece with atomization control function Download PDFInfo
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- CN209966592U CN209966592U CN201822038690.6U CN201822038690U CN209966592U CN 209966592 U CN209966592 U CN 209966592U CN 201822038690 U CN201822038690 U CN 201822038690U CN 209966592 U CN209966592 U CN 209966592U
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Abstract
The utility model discloses a low-speed dental handpiece with control atomizing function switching, the dental handpiece body includes the casing, a fixed base, the ooff valve, the motor is including steam conveying part, steam conveying part is located the fixing base, the ooff valve sets up the one side at steam conveying part, steam conveying part is equipped with airflow channel and air current hole, the ooff valve is including rotation portion and circulation portion, rotation portion one end terminal surface have with spanner complex block groove, the other end and the circulation portion of rotation portion are connected, there is the through-hole in the circulation portion, rotation portion is equipped with air inlet, be equipped with the inlet port on the air inlet portion, the trachea passes the through-hole and extends air inlet portion and inlet port intercommunication, there is sealed the pad in the fixing base, airflow hole and airflow channel intercommunication. The switch valve is arranged in the dental handpiece body and is matched with the wrench to operate, so that the switch valve rotates to enable the air inlet to be communicated with the air flow hole, the air pipe is communicated with the air flow channel to form a complete air flow channel, and the dental handpiece can be cooled by selecting a water spraying or mist spraying cooling mode according to requirements.
Description
Technical Field
The utility model relates to a dental handpiece technical field especially relates to a low-speed dental handpiece with control atomizing function switching.
Background
At present, a dental comprehensive treatment table is comprehensive equipment for carrying out examination, diagnosis and treatment operations on patients in the dental clinical diagnosis and treatment process, and is combined with a dental handpiece, an air compressor, a vacuum negative pressure pump and the like to form a comprehensive treatment system. The dental handpiece carried on the dental comprehensive treatment table is an important medical device, and a bearing is arranged at the head of the dental handpiece and can rotate under the driving of air to grind or cut teeth.
However, the existing dental handpiece has the following defects:
the dental handpiece only has a water flow channel and only has the function of spraying water, if atomization is needed, a dentist needs to stretch his hands to pull the other pipeline for operation, and the pipeline is pulled for many times and is easy to damage.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a low-speed dental handpiece with the function of controlling atomization, which can conveniently spray water and mist simultaneously.
The utility model discloses a following technical scheme realizes:
the low-speed dental handpiece with the function of controlling atomization comprises a dental handpiece body, a wrench, an air pipe and a motor, wherein the dental handpiece body comprises a shell, a fixing seat and a switch valve, the shell is sleeved on the outer ring of the fixing seat, the switch valve is arranged in the fixing seat, the motor comprises a water vapor conveying part, the water vapor conveying part is arranged in the fixing seat, the switch valve is arranged on one side of the water vapor conveying part, an air flow channel and an air flow hole are arranged on the water vapor conveying part, the switch valve comprises a rotating part and a circulating part, a clamping groove matched with the wrench is arranged on the end face of one end of the rotating part, the other end of the rotating part is connected with the circulating part, a through hole for the air pipe to pass through is arranged in the circulating part, an air inlet part is arranged at one end of the rotating part, which is connected with the circulating part, and, the air pipe penetrates through the through hole to extend into the air inlet part and is communicated with the air inlet hole, a sealing gasket is arranged in the fixing seat, the air flow hole is communicated with the air flow channel, and the wrench is used for enabling the switch valve to rotate so as to enable the air inlet hole to be communicated with the air flow hole or abut against the sealing gasket.
Further, the dental handpiece body still includes stop nut, stop nut sets up in the fixing base, the spacing groove has been seted up to the outer lane of rotation portion, stop nut keeps away from the one end of fixing base stretches into the spacing inslot, makes the switching valve is at the contained angle within range internal rotation that the both ends of spacing groove formed.
Further, still include the motor shell, the motor still includes well section of thick bamboo portion, the motor shell cover is established in the outer lane of well section of thick bamboo portion.
Furthermore, a water pipe is further arranged in the fixing seat, a water flow channel and a water flow hole are further formed in the water vapor conveying part, the water pipe is communicated with the water flow hole, and the water flow hole is communicated with the water flow channel.
Furthermore, a plurality of sealing rings are arranged on the outer ring of the switch valve.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an at the inside ooff valve that sets up of dental handpiece body, cooperation spanner operates to rotate the ooff valve and causes inlet port and air current hole intercommunication, and then makes trachea and air current channel intercommunication, forms complete air current route, can realize that dental handpiece can select water spray or spray cooling mode as required when cooling.
Drawings
FIG. 1 is a view showing the overall structure of a low-speed dental handpiece with a control function for atomization according to the present invention;
FIG. 2 is a schematic view of the low-speed dental handpiece with the function of controlling the opening and closing of the atomization according to the present invention;
FIG. 3 is a structural diagram of the switching valve of the present invention;
FIG. 4 is a structural diagram of the motor of the present invention;
fig. 5 is a cross-sectional view of the low-speed dental handpiece with the function of controlling atomization according to the present invention.
In the figure: 10. a dental handpiece body; 101. a housing; 102. a fixed seat; 103. an on-off valve; 1030. a rotating part; 1031. a circulation section; 1032. an air intake portion; 1033. an air inlet; 1034. a limiting groove; 1035. a clamping groove; 104. a limit nut; 20. a wrench; 30. an air tube; 40. a motor; 401. a water vapor conveying part; 4010. an airflow aperture; 4011. a water flow hole; 402. a middle cylinder part; 403. a motor housing; 50. and a gasket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1 to 5, the utility model provides a low-speed dental handpiece with control atomization function switching, including a dental handpiece body 10, a wrench 20, an air pipe 30 and a motor 40, the dental handpiece body 10 includes a housing 101, a fixing base 102, a switch valve 103, the housing 101 is sleeved on the outer ring of the fixing base 102, the switch valve 103 is arranged in the fixing base 102, the motor 40 includes a water vapor conveying part 401, the water vapor conveying part 401 is located in the fixing base 102, the switch valve 103 is arranged on one side of the water vapor conveying part 401, the water vapor conveying part 401 is provided with an air flow passage and an air flow hole 4010, the switch valve 103 includes a rotation part 1030 and a circulation part 1031, the end face of one end of the rotation part 1030 is provided with a clamping groove 1035 matched with the wrench 20, the other end of the rotation part 1030 is connected with the circulation part 1031, a through hole through which the air supply pipe 30 passes is arranged in the circulation part 1031, one end of, an air inlet 1033 is formed in the air inlet portion 1032, the air pipe 30 penetrates through the through hole to extend into the air inlet portion 1032 and is communicated with the air inlet 1033, a sealing gasket 50 is arranged in the fixing seat 102, the air flow hole 4010 is communicated with the air flow channel, and the wrench 20 is used for enabling the switch valve 103 to rotate so that the air inlet 1033 is communicated with the air flow hole 4010 or abutted to the sealing gasket 50.
Before production, the wrench 20 is designed to correspond to the engaging groove 1035 on the switch valve 103, before use, the air inlet 1033 of the switch valve 103 abuts against the sealing gasket 50 to form a seal, the wrench 20 extends into the engaging groove 1035 to rotate the switch valve 103 until the air inlet 1033 of the switch valve 103 is communicated with the airflow hole 4010, so that a complete airflow channel is formed, and water vapor can flow to the air pipe 30 and then is conveyed to the tail end.
As a preferred embodiment, the dental handpiece body 10 further includes a limit nut 104, the limit nut 104 is disposed in the fixing base 102, a limit groove 1034 is formed on an outer ring of the rotating portion 1030, and one end of the limit nut 104, which is far away from the fixing base 102, extends into the limit groove 1034, so that the switch valve 103 rotates within an included angle formed by two ends of the limit groove 1034.
The limit nut 104 plays a role in limiting the rotation angle of the switch valve 103, and by forming the limit groove 1034, a part of the limit nut 104 is embedded into the limit groove 1034, the limit nut 104 is practically fixed, only the switch valve 103 rotates, and the limit nut is equivalent to the range of an included angle formed by the rotation of the switch valve 103 at two ends of the limit groove 1034, so that the limit function is achieved.
In a preferred embodiment, the motor 40 further includes a motor housing 403, and the motor housing 403 is fitted around an outer ring of the middle cylinder 402.
In a preferred embodiment, a water pipe is further disposed in the fixing base 102, a water flow channel and a water flow hole 4011 are further disposed on the water vapor conveying part 401, the water pipe is communicated with the water flow hole 4011, and the water flow hole 4011 is communicated with the water flow channel.
In a preferred embodiment, the switch valve 103 is provided with a plurality of sealing rings on the outer ring.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (5)
1. The low-speed dental handpiece with the function of controlling atomization is characterized by comprising a dental handpiece body, a wrench, an air pipe and a motor, wherein the dental handpiece body comprises a shell, a fixing seat and a switch valve, the shell is sleeved on the outer ring of the fixing seat, the switch valve is arranged in the fixing seat, the motor comprises a water vapor conveying part, the water vapor conveying part is arranged in the fixing seat, the switch valve is arranged on one side of the water vapor conveying part, an air flow channel and an air flow hole are arranged on the water vapor conveying part, the switch valve comprises a rotating part and a circulating part, a clamping groove matched with the wrench is arranged on the end surface of one end of the rotating part, the other end of the rotating part is connected with the circulating part, a through hole for the air pipe to pass through is arranged in the circulating part, and an air inlet part is arranged at one end of the rotating part, which is connected, the air inlet portion is provided with an air inlet hole, the air pipe penetrates through the through hole to extend into the air inlet portion and is communicated with the air inlet hole, a sealing gasket is arranged in the fixing seat, the air flow hole is communicated with the air flow channel, and the wrench is used for enabling the switch valve to rotate so that the air inlet hole is communicated with the air flow hole or abutted to the sealing gasket.
2. The low-speed dental handpiece of claim 1, wherein the dental handpiece body further comprises a limit nut, the limit nut is disposed in the fixing seat, the outer ring of the rotating part is provided with a limit groove, and one end of the limit nut, which is far away from the fixing seat, extends into the limit groove, so that the switch valve rotates within an included angle formed by two ends of the limit groove.
3. A low speed dental handpiece according to claim 1, further comprising a motor housing, the motor further comprising a central bore portion, the motor housing being nested within an outer race of the central bore portion.
4. The low speed dental handpiece of claim 1, wherein a water tube is further disposed in the holder, and wherein the water vapor delivery portion further comprises a water flow channel and a water flow hole, the water tube being in communication with the water flow hole, the water flow hole being in communication with the water flow channel.
5. The low speed dental handpiece of claim 1, wherein said switch valve outer ring has a plurality of sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038690.6U CN209966592U (en) | 2018-12-05 | 2018-12-05 | Low-speed dental handpiece with atomization control function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822038690.6U CN209966592U (en) | 2018-12-05 | 2018-12-05 | Low-speed dental handpiece with atomization control function |
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| Publication Number | Publication Date |
|---|---|
| CN209966592U true CN209966592U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822038690.6U Active CN209966592U (en) | 2018-12-05 | 2018-12-05 | Low-speed dental handpiece with atomization control function |
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| Country | Link |
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| CN (1) | CN209966592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147903A1 (en) * | 2021-01-07 | 2022-07-14 | 桂林市啄木鸟医疗器械有限公司 | Dental contra-angle handpiece head assembly and dental contra-angle handpiece |
-
2018
- 2018-12-05 CN CN201822038690.6U patent/CN209966592U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022147903A1 (en) * | 2021-01-07 | 2022-07-14 | 桂林市啄木鸟医疗器械有限公司 | Dental contra-angle handpiece head assembly and dental contra-angle handpiece |
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