CN215384808U - Tooth flushing device core - Google Patents
Tooth flushing device core Download PDFInfo
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- CN215384808U CN215384808U CN202121532881.3U CN202121532881U CN215384808U CN 215384808 U CN215384808 U CN 215384808U CN 202121532881 U CN202121532881 U CN 202121532881U CN 215384808 U CN215384808 U CN 215384808U
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Abstract
A tooth flushing device core comprises a cylinder body, a piston, a connecting rod, a large straight gear, a small straight gear and a motor, wherein one side of the cylinder body is connected with a water inlet pipe and a water outlet nozzle, the water inlet pipe and the water outlet nozzle are respectively provided with a one-way valve, the piston is inserted from the other side of the cylinder body, and the piston sucks water through the water inlet nozzle and then sprays out of the water outlet nozzle when the piston runs in the cylinder body; the large straight gear is close to the cylinder body, an eccentric wheel is arranged on the large straight gear, one end of the connecting rod is connected with the eccentric wheel, and the other end of the connecting rod is connected with the piston through a shaft; the output shaft of the motor is connected with the small straight gear, the small straight gear is meshed with the large straight gear, the motor drives the small straight gear to rotate, the driven gear drives the large straight gear to rotate, and the large straight gear drives the piston to move through the eccentric wheel and the connecting rod when rotating.
Description
Technical Field
The utility model relates to the field of design of tooth irrigators, in particular to a core of a tooth irrigator.
Background
At present, a core transmission structure of a tooth flushing device in the market is generally that a straight gear is installed on a motor and then a crown gear is matched, or a small bevel gear is installed on the motor and then a large bevel gear is matched, so that a plunger pump is driven to reciprocate to realize water absorption and water spraying actions. However, the biggest problems of such a transmission structure are: since the spur gear and the crown gear are not engaged with each other by the correct involute gear, a large noise is generated, and water is easily leaked from the inside, thereby causing poor stability.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model provides a tooth flushing device core, which aims to solve the technical problems that the tooth flushing device core in the prior art generates high noise and water is easy to leak inside, so that the stability is poor.
In order to achieve the purpose, the utility model provides a tooth flushing device core, which comprises a cylinder body, a piston, a connecting rod, a large straight gear, a small straight gear and a motor, wherein one side of the cylinder body is connected with a water inlet nozzle and a water outlet nozzle, the water inlet nozzle and the water outlet nozzle are respectively provided with a one-way valve, the piston is inserted from the other side of the cylinder body, and the piston is used for sucking water through the water inlet nozzle and then spraying out from the water outlet nozzle when the piston runs in the cylinder body; the large straight gear is close to the cylinder body, an eccentric wheel is arranged on the large straight gear, one end of the connecting rod is connected with the eccentric wheel, and the other end of the connecting rod is connected with the piston through a shaft; the output shaft of the motor is connected with the small straight gear, the small straight gear is meshed with the large straight gear, the motor drives the small straight gear to rotate, the driven large straight gear is driven to rotate, and the large straight gear drives the piston to move as a piston through the eccentric wheel and the connecting rod when rotating.
As a further preferable technical solution of the present invention, the water inlet nozzle is connected to an end portion of the cylinder block away from the piston, and the water inlet nozzle is connected to a side wall of the cylinder block by a screw.
As a further preferable technical solution of the present invention, a cylinder inner sleeve is provided in the cylinder block, and the piston is located in the cylinder inner sleeve.
In a further preferred embodiment of the present invention, the piston is sleeved with at least two piston rings for sealing.
In a further preferred embodiment of the present invention, the small spur gear has a size of M0.5 and Z10, and the large spur gear has a size of M0.5 and Z50.
As a further preferred technical solution of the present invention, the check valve is a duckbill valve.
As a further preferable technical scheme of the utility model, the tooth flushing device core further comprises a gear box upper cover and a gear box lower cover, the gear box upper cover and the gear box lower cover are buckled and connected with each other and enclose to form a gear transmission cavity, a central gear of the large straight gear is rotatably installed in the gear transmission cavity through a shaft, the motor is fixed outside the gear box upper cover, and an output shaft of the motor extends into the gear transmission cavity and is connected with a small straight gear in the gear transmission cavity.
As a further preferable aspect of the present invention, the cylinder block is clamped and fixed between the gear case upper cover and the gear case lower cover near the large spur gear.
The tooth flushing device core comprises a cylinder body, a piston, a connecting rod, a large straight gear, a small straight gear and a motor, wherein one side of the cylinder body is connected with a water inlet nozzle and a water outlet nozzle, the water inlet nozzle and the water outlet nozzle are respectively provided with a one-way valve, the piston is inserted from the other side of the cylinder body, and the piston sucks water through the water inlet nozzle and then sprays out of the water outlet nozzle when the piston runs in the cylinder body; the large straight gear is close to the cylinder body, an eccentric wheel is arranged on the large straight gear, one end of the connecting rod is connected with the eccentric wheel, and the other end of the connecting rod is connected with the piston through a shaft; the output shaft of the motor is connected with the small straight gear, the small straight gear is meshed with the large straight gear, the motor drives the small straight gear to rotate, the driven large straight gear is driven to rotate, and the large straight gear drives the piston to move through the eccentric wheel and the connecting rod when rotating.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is an exploded view of an embodiment of the present invention provided with a dental irrigator cartridge;
FIG. 2 is a schematic structural view of an example of the dental irrigator cartridge of the present invention;
fig. 3 is a schematic view of the internal structure of the tooth irrigator core of the utility model.
In the figure: 1. the water outlet nozzle comprises a water outlet nozzle body, 2, a one-way valve, 3, a water inlet nozzle body, 4, a cylinder body, 5, a piston ring, 6, a piston, 7, a shaft, 8, a cylinder inner sleeve, 9, a connecting rod, 10, a motor, 11, a gear box upper cover, 12, a large straight gear, 13, a small straight gear, 14 and a gear box lower cover.
The objects, features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for clarity of description only, and are not used to limit the scope of the utility model, and the relative relationship between the terms and the terms is not changed or modified substantially without changing the technical content of the utility model.
The dental irrigator movement shown in fig. 1 to 3 can be applied to a dental irrigator product and comprises a cylinder block 4, a piston 6, a connecting rod 9, a large spur gear 12, a small spur gear 13 and a motor 10, wherein a water inlet nozzle 3 and a water outlet nozzle 1 are connected to one side of the cylinder block 4, the water inlet nozzle 3 and the water outlet nozzle 1 are respectively provided with a one-way valve 2, the one-way valve 2 is a duckbill valve, the piston 6 is inserted from the other side of the cylinder block 4, and the piston 6 is used for sucking water through the water inlet nozzle 3 and spraying out of the water outlet nozzle 1 when a piston 6 is operated in the cylinder block 4; the large straight gear 12 is close to the cylinder block 4, an eccentric wheel is arranged on the large straight gear 12, one end of the connecting rod 9 is connected with the eccentric wheel, and the other end of the connecting rod is connected with the piston 6 through a shaft 7; the output shaft 7 of the motor 10 is connected with the small straight gear 13, the small straight gear 13 is meshed with the large straight gear 12, the motor 10 drives the small straight gear 13 to rotate, the large straight gear 12 is driven to rotate, and the large straight gear 12 drives the piston 6 to move as a piston through the eccentric wheel and the connecting rod 9 when rotating, so that water absorption and water spraying are realized.
With further reference to fig. 1 to 3, the water inlet nozzle 3 is connected to the end of the cylinder block 4 away from the piston 6, and the water inlet nozzle 3 is connected to the side wall of the cylinder block 4 by screws. The cylinder body 4 is internally sleeved with a cylinder inner sleeve 8, and the piston 6 is positioned in the cylinder inner sleeve 8.
Preferably, the piston 6 is sleeved with at least two piston rings 5 for sealing, and the piston rings 5 can improve the sealing degree between the piston 6 and a cavity of the piston movement, thereby improving the working performance and preventing water from passing through and entering one side of the gear.
In one embodiment, the small spur gear 13 has a size of M0.5, Z10, and the large spur gear 12 has a size of M0.5, Z50, so that the pumping power can be sufficient under the condition that the output rotating speed of the motor 10 is constant, and the torque force and the noise of the driving piston movement are optimal.
In another specific implementation, the tooth flushing device core further comprises a gear box upper cover 11 and a gear box lower cover 14, the gear box upper cover 11 and the gear box lower cover 14 are buckled and connected with each other and enclose to form a gear transmission cavity, a central gear of the large spur gear 12 is rotatably installed in the gear transmission cavity through a shaft 7, the motor 10 is fixed outside the gear box upper cover 11, an output shaft 7 of the motor 10 extends into the gear transmission cavity and is connected with a small spur gear 13 located in the gear transmission cavity, and the cylinder block 4 is close to the large spur gear 12 and is clamped and fixed between the gear box upper cover 11 and the gear box lower cover 14.
The utility model relates to a tooth-rinsing device core, wherein a small straight gear 13 is assembled on an output shaft 7 of a motor 10 and is meshed with a large straight gear 12, the small straight gear 13 drives the large straight gear 12 to rotate, the large straight gear 12 is connected with a connecting rod 9 through an eccentric wheel, and the connecting rod 9 is connected with a piston 6, so that the piston 6 reciprocates back and forth in a cylinder body 4 to realize water suction and water discharge.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many variations or modifications may be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims.
Claims (8)
1. A tooth flushing device core is characterized by comprising a cylinder body, a piston, a connecting rod, a large straight gear, a small straight gear and a motor, wherein a water inlet nozzle and a water outlet nozzle are connected to one side of the cylinder body, the water inlet nozzle and the water outlet nozzle are respectively provided with a one-way valve, the piston is inserted from the other side of the cylinder body, and the piston is used for sucking water through the water inlet nozzle and then spraying out from the water outlet nozzle when the piston runs in the cylinder body; the large straight gear is close to the cylinder body, an eccentric wheel is arranged on the large straight gear, one end of the connecting rod is connected with the eccentric wheel, and the other end of the connecting rod is connected with the piston through a shaft; the output shaft of the motor is connected with the small straight gear, the small straight gear is meshed with the large straight gear, the motor drives the small straight gear to rotate, the driven large straight gear is driven to rotate, and the large straight gear drives the piston to move as a piston through the eccentric wheel and the connecting rod when rotating.
2. The dental irrigator cartridge of claim 1 wherein the water inlet nozzle is attached to an end of the cylinder block distal from the piston, the water inlet nozzle being attached to a side wall of the cylinder block by a screw.
3. The dental irrigator cartridge according to claim 1, wherein an inner cylinder sleeve is nested within said cylinder housing, and said piston is located within said inner cylinder sleeve.
4. The dental irrigator cartridge of claim 1 wherein said piston is fitted with at least two piston rings for sealing.
5. The dental irrigator cartridge of claim 1, wherein the small spur gear has a size M0.5, Z10 and the large spur gear has a size M0.5, Z50.
6. The dental irrigator cartridge of claim 1 wherein the one-way valve is a duckbill valve.
7. The tooth irrigator core according to any one of claims 1 to 6, further comprising a gear box upper cover and a gear box lower cover, wherein the gear box upper cover and the gear box lower cover are buckled and connected with each other and enclose to form a gear transmission cavity, a central gear of the large spur gear is rotatably installed in the gear transmission cavity through a shaft, the motor is fixed outside the gear box upper cover, and an output shaft of the motor extends into the gear transmission cavity and is connected with a small spur gear located in the gear transmission cavity.
8. The dental irrigator cartridge of claim 7 wherein said cylinder block is clamped between said gear case upper cover and said gear case lower cover adjacent said large spur gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121532881.3U CN215384808U (en) | 2021-07-06 | 2021-07-06 | Tooth flushing device core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121532881.3U CN215384808U (en) | 2021-07-06 | 2021-07-06 | Tooth flushing device core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215384808U true CN215384808U (en) | 2022-01-04 |
Family
ID=79647474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121532881.3U Active CN215384808U (en) | 2021-07-06 | 2021-07-06 | Tooth flushing device core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215384808U (en) |
-
2021
- 2021-07-06 CN CN202121532881.3U patent/CN215384808U/en active Active
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