CN211094889U - Pressure boost leak protection water toothpick - Google Patents
Pressure boost leak protection water toothpick Download PDFInfo
- Publication number
- CN211094889U CN211094889U CN201921893567.0U CN201921893567U CN211094889U CN 211094889 U CN211094889 U CN 211094889U CN 201921893567 U CN201921893567 U CN 201921893567U CN 211094889 U CN211094889 U CN 211094889U
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- water
- piston
- water inlet
- machine body
- water outlet
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Abstract
The utility model relates to the technical field of oral cavity nursing equipment, and discloses a pressurized leakage-proof tooth washing device, which comprises a machine body, a water pump assembly and a driving mechanism for driving the water pump assembly, wherein the water pump assembly is provided with a water inlet mechanism and a water outlet mechanism, the water pump assembly comprises a pump shell and a piston which is arranged in the pump shell and reciprocates, and the reciprocating motion of the piston is driven by the driving mechanism; the piston is connected with the inner wall of the pump shell in a sealing way through a first sealing ring; the outer wall of the pump shell is hermetically connected with the inner wall of the machine body through a second sealing ring; and a sealing cavity is formed between all parts of the water pump assembly in the direction from the connecting position of the pump shell and the second sealing ring to the piston and the inner wall of the machine body, and the sealing cavity is provided with a one-way drain hole. Even if the water pump is worn in the using process, the leaked water can only be drained to the outside of the tooth washing device through the one-way drain hole, so that the problems of motor rust and electronic element damage caused by pump leakage after the sealing part is worn are solved.
Description
Technical Field
The utility model belongs to the technical field of oral care equipment technique and specifically relates to a tooth cleaning device of pressure boost leak protection.
Background
The tooth washing device is used to clean teeth and mainly washes teeth with high speed water flow. The portable and table type tooth washing devices generally comprise a water pump, a water tank, a spray head and a micro motor which are matched with a gear to drive the water pump, and the piston reciprocates to generate high-speed water flow. Because in the reciprocating motion process of water pump, the piston high-speed motion in the pump case causes the wearing and tearing of seal part easily, influences the leakproofness and the life of product, thereby can lead to the pump to leak after seal part wearing and tearing moreover and cause motor rust and electronic component to damage.
Therefore, in order to solve the above problems, it is necessary to develop a pressurized leakage-proof tooth washing device.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model aims to provide a pressurizing leakage-proof tooth washing device.
The utility model discloses a realize above-mentioned purpose, take following technical scheme to realize:
a pressurized leakproof tooth washing device comprises a machine body, a water pump assembly and a driving mechanism for driving the water pump assembly, wherein the water pump assembly is provided with a water inlet mechanism and a water outlet mechanism, the water pump assembly comprises a pump shell and a piston which is arranged in the pump shell and can reciprocate, and the reciprocating motion of the piston is driven by the driving mechanism; the piston is connected with the inner wall of the pump shell in a sealing way through a first sealing ring; the outer wall of the pump shell is hermetically connected with the inner wall of the machine body through a second sealing ring; and a sealing cavity is formed between all parts of the water pump assembly in the direction from the connecting position of the pump shell and the second sealing ring to the piston and the inner wall of the machine body, and the sealing cavity is provided with a one-way drain hole.
Preferably, the first seal ring is a star-shaped seal ring. The star-shaped seal ring is a four-lip seal, similar in shape to an X, and is also called an X-shaped seal ring. Because the star-shaped sealing ring forms a lubricating cavity between the sealing lips, the lubricating cavity has smaller frictional resistance and starting resistance. The flash position of star type sealing washer is in the concave position of cross-section, and sealed effectual. The section of the star-shaped sealing ring is non-circular, so that rolling can be avoided during reciprocating motion. The utility model discloses use star type sealing washer, there are two sealing rings in other words for increase the water absorption capacity when drawing water, increase water pressure when the drainage.
Preferably, a connecting rod is connected to the piston; one end of the connecting rod is connected with the piston through a rotating shaft, and the other end of the connecting rod is provided with an elliptical groove; the driving mechanism is connected with the connecting rod through a gear assembly; the gear assembly comprises a pinion, a middle gear and a gearwheel which are sequentially meshed, the pinion is connected with the driving mechanism, the gearwheel is provided with an eccentric circular truncated cone, and the eccentric circular truncated cone is arranged in the elliptical groove. The gear assembly may also be formed by meshing crown teeth and gears.
Preferably, the drive mechanism is a motor.
Preferably, the bull gear passes through the gear shaft and fixes at the organism, oval tank bottom is equipped with the through-hole that the gear shaft of being convenient for passes through.
Preferably, the pump case is provided with a water inlet hole and a water outlet hole, the water inlet hole is communicated with the water inlet mechanism, the water outlet hole is communicated with the water outlet mechanism, a water inlet valve is arranged between the water inlet hole and the water inlet mechanism, a water outlet valve is arranged between the water outlet hole and the water outlet mechanism, when the piston moves backwards, the water inlet valve is opened, and the water outlet valve is closed; when the piston moves forward, the water inlet valve is closed, and the water outlet valve is opened.
Preferably, the water inlet valve and the water outlet valve are valve plates, and a return spring is arranged between the valve plate of the water outlet valve and the water outlet assembly.
Preferably, the contact surface between the inner wall of the pump shell and the piston is metal.
Preferably, the machine body is composed of an upper machine body shell and a lower machine body shell.
Preferably, the driving mechanism is positioned at the lower shell of the machine body
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses in because water pump assembly forms a sealed chamber from pump case and second sealing washer hookup location to between all positions of piston direction and the organism inner wall, an one-way wash port has been seted up in sealed chamber, even first sealed chamber wearing and tearing in the use, the outside of tooth cleaning ware can only be arranged through one-way wash port to the water of leaking to the problem of motor rust that the pump leakage caused and electronic component damage after the sealed position wearing and tearing has been solved.
The utility model discloses piston department has used the star type sealing washer, has two sealing rings in other words, has solved the problem that current tooth ware piston easily weares and teares.
Drawings
FIG. 1 is a schematic view of an exploded structure of a pressurized leakage-proof tooth washing device of the present invention;
FIG. 2 is a schematic cross-sectional view of a pressurized leakage-proof tooth washing device according to the present invention;
FIG. 3 is a schematic perspective view of the reclaimed water pump assembly of the present invention;
FIG. 4 is a schematic view of an exploded structure of the reclaimed water pump assembly of the present invention;
FIG. 5 is a schematic cross-sectional view of the reclaimed water pump assembly of the present invention;
fig. 6 is a schematic structural diagram of the piston assembly of the present invention.
Detailed Description
The present invention will be further described with reference to the following specific examples.
See fig. 1-6: a pressurized leakage-proof tooth washing device comprises a machine body 1, a water pump assembly 2 and a driving mechanism 3 for driving the water pump assembly 2. The water pump component 2 is provided with a water inlet mechanism 4 and a water outlet mechanism 5. The water pump assembly 2 includes a pump housing 6 and a piston 7 disposed in the pump housing 6 for reciprocating movement. The reciprocating movement of the piston 7 is driven by the drive mechanism 3. The piston 7 is connected with the inner wall of the pump shell 6 in a sealing way through a first sealing ring 8. The outer wall of the pump shell 6 is connected with the inner wall of the machine body 1 in a sealing mode through a second sealing ring 9. The water pump assembly 2 forms a sealed cavity 10 between all parts (taking fig. 2 as an example, all parts above the connecting position of the pump shell 6 and the second sealing ring 9) from the connecting position of the pump shell 6 and the second sealing ring 9 to the piston 7 direction and the inner wall of the machine body, and the sealed cavity 10 is provided with a one-way water drainage hole 13. The one-way drain hole 13 can drain water to the outside of the tooth washing device in one way, and is realized by a one-way valve 131 arranged in the one-way drain hole 13.
In this embodiment, the first seal ring 8 is preferably a star-shaped seal ring. The star-shaped seal ring is a four-lip seal, similar in shape to an X, and is also called an X-shaped seal ring. Because the star-shaped sealing ring forms a lubricating cavity between the sealing lips, the lubricating cavity has smaller frictional resistance and starting resistance. The flash position of star type sealing washer is in the concave position of cross-section, and sealed effectual. The section of the star-shaped sealing ring is non-circular, so that rolling can be avoided during reciprocating motion. The utility model discloses use star type sealing washer, there are two sealing rings in other words for increase the water absorption capacity when drawing water, increase water pressure when the drainage.
A connecting rod 71 is connected to the piston 7. One end of the connecting rod 71 is connected with the piston 7 through a rotating shaft 72, and the other end is provided with an elliptical groove 73. The drive mechanism 3 is connected to the connecting rod 71 through a gear assembly. The gear assembly comprises a pinion 31, a middle gear 32 and a large gear 33 which are in turn meshed. The small gear 31 is connected with the driving mechanism 3, the large gear 33 is provided with an eccentric round table 34, and the eccentric round table 34 is arranged in the elliptical groove 73. In this embodiment, the piston 7, the star seal 8, the connecting rod 71 and the rotating shaft 72 form a piston assembly, as shown in fig. 6. The large gear 33 is fixed on the machine body 1 through a gear shaft 35, and the bottom of the elliptical groove 73 is provided with a through hole 74 which is convenient for the gear shaft 35 to pass through. As another embodiment of the present invention, the gear assembly may further be formed by meshing a crown gear and a gear.
The pump shell 6 is provided with a water inlet 61 and a water outlet 62, the water inlet 61 is communicated with the water inlet mechanism 4, the water outlet 62 is communicated with the water outlet mechanism 5, a water inlet valve 41 is arranged between the water inlet 61 and the water inlet mechanism 4, and a water outlet valve 51 is arranged between the water outlet 62 and the water outlet mechanism 5. When the piston moves backwards, the water inlet valve is opened, and the water outlet valve is closed; when the piston moves forward, the water inlet valve is closed, and the water outlet valve is opened. The inlet valve 41 and the outlet valve 51 are preferably valve plates, and a return spring is arranged between the valve plate of the outlet valve and the outlet assembly. The inlet valve 41 and the outlet valve 51 may be other valves as long as the above-described functions are achieved.
The contact surface between the inner wall of the pump housing 6 and the piston 7 is made of metal. The machine body 1 is composed of a machine body upper shell 11 and a machine body lower shell 12. The driving mechanism 3 is positioned at the lower machine body shell 12. The drive mechanism 3 is preferably an electric motor.
The utility model discloses in because water pump assembly forms a sealed chamber from pump case and second sealing washer hookup location to between all positions of piston direction and the organism inner wall, an one-way wash port has been seted up in sealed chamber, even first sealed chamber wearing and tearing in the use, the outside of tooth cleaning ware can only be arranged through one-way wash port to the water of leaking to the problem of motor rust that the pump leakage caused and electronic component damage after the sealed position wearing and tearing has been solved.
The utility model discloses piston department has used the star type sealing washer, has two sealing rings in other words, has solved the problem that current tooth ware piston easily weares and teares.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A pressurized leakproof tooth washing device comprises a machine body, a water pump assembly and a driving mechanism for driving the water pump assembly, wherein the water pump assembly is provided with a water inlet mechanism and a water outlet mechanism; the piston is connected with the inner wall of the pump shell in a sealing way through a first sealing ring; the outer wall of the pump shell is hermetically connected with the inner wall of the machine body through a second sealing ring; and a sealing cavity is formed between all parts of the water pump assembly in the direction from the connecting position of the pump shell and the second sealing ring to the piston and the inner wall of the machine body, and the sealing cavity is provided with a one-way drain hole.
2. The pressurized leak-proof dental irrigator of claim 1 wherein said first seal is a star seal.
3. The pressurized leak-proof dental rinser of claim 1, wherein a connecting rod is connected to the piston; one end of the connecting rod is connected with the piston through a rotating shaft, and the other end of the connecting rod is provided with an elliptical groove; the driving mechanism is connected with the connecting rod through a gear assembly; the gear assembly comprises a pinion, a middle gear and a gearwheel which are sequentially meshed, the pinion is connected with the driving mechanism, the gearwheel is provided with an eccentric circular truncated cone, and the eccentric circular truncated cone is arranged in the elliptical groove.
4. The pressurized leak-proof dental rinser of claim 3, wherein the drive mechanism is a motor.
5. The pressurized leakage-proof tooth washing device as claimed in claim 3, wherein said large gear is fixed to the machine body by a gear shaft, and a through hole is formed at the bottom of said oval groove for allowing the gear shaft to pass through.
6. The pressurized leakage-proof tooth washing device as claimed in claim 1, wherein said pump housing is provided with a water inlet hole and a water outlet hole, said water inlet hole is communicated with said water inlet mechanism, said water outlet hole is communicated with said water outlet mechanism, a water inlet valve is provided between said water inlet hole and said water inlet mechanism, a water outlet valve is provided between said water outlet hole and said water outlet mechanism, when said piston moves backward, said water inlet valve is opened, and said water outlet valve is closed; when the piston moves forward, the water inlet valve is closed, and the water outlet valve is opened.
7. The pressurized leakage-proof tooth washing device as claimed in claim 6, wherein said inlet valve and said outlet valve are both valve plates, and a return spring is provided between said outlet valve plate and said outlet assembly.
8. The pressurized leakage-proof dental rinser of claim 1, wherein the contact surface of the inner wall of the pump shell and the piston is metal.
9. The pressurized leakage-proof dental rinser of claim 1, wherein the housing is composed of an upper housing and a lower housing.
10. The pressurized leak-proof dental rinser of claim 9, wherein the drive mechanism is located at a lower shell of the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893567.0U CN211094889U (en) | 2019-11-05 | 2019-11-05 | Pressure boost leak protection water toothpick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921893567.0U CN211094889U (en) | 2019-11-05 | 2019-11-05 | Pressure boost leak protection water toothpick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211094889U true CN211094889U (en) | 2020-07-28 |
Family
ID=71713650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921893567.0U Expired - Fee Related CN211094889U (en) | 2019-11-05 | 2019-11-05 | Pressure boost leak protection water toothpick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211094889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113229974A (en) * | 2021-04-30 | 2021-08-10 | 深圳素士科技股份有限公司 | Pump case, pump module and oral care device |
-
2019
- 2019-11-05 CN CN201921893567.0U patent/CN211094889U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113229974A (en) * | 2021-04-30 | 2021-08-10 | 深圳素士科技股份有限公司 | Pump case, pump module and oral care device |
| CN113229974B (en) * | 2021-04-30 | 2022-09-30 | 深圳素士科技股份有限公司 | Pump case, pump subassembly and oral care device |
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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 |
Granted publication date: 20200728 Termination date: 20211105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |