CN211623694U - Water pump of tooth flushing device and tooth flushing device - Google Patents
Water pump of tooth flushing device and tooth flushing device Download PDFInfo
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- CN211623694U CN211623694U CN201922260462.8U CN201922260462U CN211623694U CN 211623694 U CN211623694 U CN 211623694U CN 201922260462 U CN201922260462 U CN 201922260462U CN 211623694 U CN211623694 U CN 211623694U
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Abstract
A tooth flusher, which comprises a tooth flusher water pump. The water pump of the tooth flushing device comprises a pump body and a water outlet connecting piece, the water outlet valve piece comprises a water outlet valve piece and an elastic piece, wherein the pump body is provided with a water outlet and a water outlet mounting counter bore, the water outlet connecting piece is fixedly mounted in the water outlet mounting counter bore, the water outlet connecting piece is provided with a water outlet channel, the water outlet channel is communicated with an inner cavity of the pump body through the water outlet, a first arc-shaped groove is formed in the water outlet valve piece, the water outlet valve piece is divided into a water outlet valve piece movable part and a water outlet valve piece fixed part through the first arc-shaped groove, a water outlet avoiding pit is formed in the middle of the bottom end of the water outlet connecting piece, the water outlet valve piece fixed part is clamped by the bottom edge of the water outlet connecting piece and the bottom wall of the water outlet mounting counter bore together, the water outlet valve piece movable part covers the water outlet, the water outlet avoiding pit is used for avoiding the water outlet valve piece movable part, the. The movable part of the water outlet valve sheet is pressed by the elastic piece to tightly cover the water outlet, so that the water outlet is kept sealed.
Description
Technical Field
The utility model relates to a towards the tooth ware field, especially relate to a towards tooth ware water pump and towards tooth ware.
Background
The tooth flusher is a household oral cavity cleaning device, and the working principle of the tooth flusher is that tooth is flushed by pulse water flow so as to remove dental plaque and food remained below a gum line. The tooth flusher in the market generally drives a piston type reciprocating water pump through a motor, the motor drives an eccentric wheel to rotate at a high speed so as to drive a piston to reciprocate up and down, and the volume of an inner cavity of a pump body is changed periodically, so that the pump body alternately sucks and sprays water flow (pulse water flow) to flush teeth and tooth gaps. The internal structure and working principle of the tooth rinsing device in the prior art can refer to the Chinese patent CN 208823022U.
The pump body is provided with a water inlet and a water outlet, the water inlet is provided with a water inlet valve plate, and the water outlet is provided with a water outlet valve plate. Compared with a duckbill valve and a ball valve, the valve block is light, flexible, easy to use, free to open, capable of bearing reverse high pressure, and small in resistance loss before and after liquid flows through the valve block, and is suitable for a piston type reciprocating water pump of a tooth flushing device. However, when the valve plate is opened, the valve plate is impacted by high-speed and high-pressure water flow to be opened, and when the valve plate is closed, the valve plate needs to bear water pressure (or air pressure), that is, two sides of the valve plate are alternately subjected to thrust, so that the valve plate is easy to deform, especially a water outlet valve plate. When the outlet valve plate deforms, the elastic recovery capability of the outlet valve plate is poor, so that in the process (water inlet process) of increasing the inner volume of the pump body, the outlet valve plate cannot perfectly cover the water outlet, a gap is left at the water outlet, the sealing effect of the position is poor, air can enter the inner cavity of the pump body through the gap at the water outlet in the water inlet process, the inner cavity of the pump body cannot form enough low pressure, the flow pumped in the single water inlet process is insufficient, the flow of single water outlet is insufficient, and the normal use of the tooth flushing device is affected.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a water pump for a tooth flushing device, which can more perfectly cover the water outlet by the water outlet valve sheet in the water inlet process, and avoid the air from entering the inner cavity of the pump body through the gap at the water outlet. An object of the utility model is to provide a tooth flushing device, it contains above-mentioned water pump, and at the in-process of intaking, the outlet valve piece can more perfectly cover the delivery port, avoids the air to get into pump body inner chamber via the gap of extract water mouth department.
The water pump of the tooth flushing device comprises a pump body, a water outlet connecting piece, a water outlet valve plate and an elastic piece, wherein the pump body is provided with a water outlet and a water outlet mounting counter bore, the water outlet connecting piece is fixedly mounted in the water outlet mounting counter bore, the water outlet connecting piece is provided with a water outlet channel, the water outlet channel is communicated with an inner cavity of the pump body through the water outlet, a first arc-shaped groove is formed in the water outlet valve plate, the water outlet valve plate is divided into a water outlet valve plate movable part and a water outlet valve plate fixing part by the first arc-shaped groove, a water outlet avoiding pit is formed in the middle of the bottom end of the water outlet connecting piece, the water outlet valve plate fixing part is clamped by the bottom edge of the water outlet connecting piece and the bottom wall of the water outlet mounting counter bore together, the water outlet valve plate movable part covers the water outlet, the water outlet avoiding pit is used for avoiding the water outlet valve, the elastic piece is arranged in the water outlet channel, and two ends of the elastic piece respectively abut against the limiting inner convex part and the movable part of the water outlet valve piece.
In particular, the elastic member is a spring.
Specifically, the limiting inner convex part is a convex block or a convex flange protruding towards the inner side.
Specifically, the water pump of the tooth flushing device comprises a water inlet connecting piece and a water inlet valve plate, the pump body comprises a water inlet and a water inlet mounting counter bore, the water inlet connecting piece is fixedly arranged in the water inlet mounting counter bore and is provided with a water inlet channel, the water inlet channel is communicated with the inner cavity of the pump body through the water inlet, a second arc-shaped slot is arranged inside the water inlet valve plate, the second arc-shaped groove divides the water inlet valve plate into a water inlet valve plate movable part and a water inlet valve plate fixed part, a water inlet avoiding pit is arranged in the middle of the bottom end of the water inlet mounting counter bore, the fixed part of the water inlet valve piece is clamped by the bottom wall of the water inlet connecting piece and the bottom end edge of the water inlet mounting counter bore together, the water inlet valve piece moving part covers the water outlet hole of the water inlet channel, and the water inlet avoiding pit is used for avoiding the water inlet valve piece moving part.
Specifically, a piston is arranged in the pump body, a metal sheath is fixedly arranged on the inner wall of a cavity of the pump body, and the piston is slidably matched with the metal sheath.
Specifically, the lateral wall of piston has seted up the installation annular, be equipped with Y type sealing washer in the installation annular, the piston with metal sheath clearance fit, Y type sealing washer with metal sheath interference fit.
Specifically, at least two mounting ring grooves are arranged, and each mounting ring groove is arranged along the axial direction of the piston.
Specifically, including core support, motor, eccentric wheel, connecting rod, the top of connecting rod with the piston is articulated, pump body rigid coupling in the core support, the eccentric wheel is rotationally located in the core support, the top of connecting rod with the piston is articulated, the bottom of connecting rod is equipped with connecting sleeve, connecting sleeve rotationally overlaps and locates on the eccentric wheel, the motor is used for the drive the eccentric wheel rotates.
Specifically, including the flexible sealing cover, the top edge of flexible sealing cover with pump body bottom sealing connection, the bottom edge of flexible sealing cover with connecting rod sealing connection, thereby the lower part of the pump body forms a drainage chamber, the flexible sealing cover is equipped with the outlet, the outlet is connected with drainage pipe, drainage pipe pass through the outlet with drainage chamber intercommunication.
The tooth flushing device comprises the tooth flushing device water pump.
Compared with the prior art, the beneficial effects of the utility model reside in that:
in the process that the volume of the inner cavity of the pump body is increased due to the movement of the piston, liquid of the water inlet channel impacts the movable part of the water inlet valve plate, so that the movable part of the water inlet valve plate swings towards the inner cavity of the pump body, the water inlet valve plate is opened, the water inlet is communicated with the water inlet channel, and water inlet is achieved. In the process, the movable part of the water outlet valve sheet is pressed by the elastic piece to tightly cover the water outlet, so that the water outlet is kept sealed.
Drawings
FIG. 1 is a view showing the internal structure of the tooth irrigator;
FIG. 2 is a partial view of FIG. 1;
FIG. 3 is an enlarged partial view of the water pump of the dental irrigator;
FIG. 4 is a partial internal structural view of the water pump of the water toothpick;
FIG. 5 is a partial exploded view of the water pump of the dental irrigator;
fig. 6 is a partial enlarged view at a in fig. 5.
In the figure: 1. a pump body; 11. a water outlet; 12. a counter bore is installed in the effluent; 13. a water inlet; 14. mounting counter bores in the water inlet; 141. water inflow avoiding pits; 15. a metal sheath; 16. a water discharge pipeline; 21. a water outlet connector; 211. a water outlet channel; 212. yielding water to avoid the pit; 213. limiting the inner convex part; 22. a water outlet valve plate; 221. a water outlet valve piece moving part; 3. an elastic member; 41. a water inlet connector; 411. a water inlet channel; 42. a water inlet valve plate; 421. a movable part of the water inlet valve sheet; 5. a piston; 51. mounting a ring groove; 52. a Y-shaped seal ring; 6. a movement bracket; 61. a motor; 7. an eccentric wheel; 8. a connecting rod; 81. a connecting sleeve; 9. a flexible sealing sleeve.
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.
Referring to fig. 1 to 4, the dental irrigator comprises a dental irrigator water pump. The water pump of the tooth flushing device comprises a pump body 1, a water outlet connecting piece 21, a water outlet valve piece 22 and an elastic piece 3. The pump body 1 is provided with a water outlet 11 and a water outlet mounting counterbore 12, and a water outlet connecting piece 21 is fixedly mounted in the water outlet mounting counterbore 12. The water outlet connecting piece 21 is provided with a water outlet channel 211, and the water outlet channel 211 is communicated with the inner cavity of the pump body 1 through a water outlet 11.
Referring to fig. 5 and 6, the water outlet valve plate 22 is a circular plate, the water outlet valve plate 22 is an elastic plate, and fig. 6 shows an undeformed state thereof. The water outlet valve plate 22 is provided with a first arc-shaped slot therein, and the first arc-shaped slot divides the water outlet valve plate 22 into a water outlet valve plate moving part 221 and a water outlet valve plate fixing part. The outlet valve piece fixing part is clamped by the bottom end edge of the outlet connecting piece 21 and the bottom wall of the outlet mounting counter bore 12, and the outlet valve piece moving part 221 covers the outlet 11. The middle part of the bottom end of the water outlet connecting piece 21 is provided with a water outlet avoiding pit 212, and the water outlet avoiding pit 212 is used for avoiding the water outlet valve piece moving part 221.
Referring to fig. 4, the water outlet channel 211 is provided with a limiting inner protrusion 213, specifically, the limiting inner protrusion 213 is a convex block or a convex flange protruding inwards. The elastic member 3 is disposed in the water outlet channel 211, two ends of the elastic member 3 respectively abut against the limit inner protrusion 213 and the outlet valve piece moving part 221, and specifically, the elastic member 3 is a spring.
Specifically, referring to fig. 4, the water pump of the water toothpick comprises a water inlet connector 41 and a water inlet flap 42, wherein the water inlet flap 42 is an elastic sheet body, and fig. 6 shows an undeformed state thereof. The pump body 1 comprises a water inlet 13 and a water inlet mounting counterbore 14, the water inlet connector 41 being fixedly mounted in the water inlet mounting counterbore 14. The water inlet connector 41 is provided with a water inlet passage 411, and the water inlet passage 411 is communicated with the inner cavity of the pump body 1 through a water inlet 13. Referring to fig. 5 and 6, the water inlet valve plate 42 includes a circular plate shape, a second arc-shaped slot is disposed inside the water inlet valve plate 42, and the second arc-shaped slot divides the water inlet valve plate 42 into a water inlet valve plate movable portion 421 and a water inlet valve plate fixing portion. Referring to fig. 4, the fixed portion of the inlet valve plate is clamped by the bottom wall of the inlet connector 41 and the bottom edge of the inlet mounting counterbore 14, and the movable portion 421 of the inlet valve plate covers the outlet hole of the inlet channel 411. The middle of the bottom end of the water inlet installation counter bore 14 is provided with a water inlet avoiding pit 141, and the water inlet avoiding pit 141 is used for avoiding the movable part 421 of the water inlet valve piece.
Preferably, as shown in fig. 4, a piston 5 is arranged in the pump body 1, a metal sheath 15 is fixedly arranged on the inner wall of the cavity of the pump body 1, and the piston 5 is slidably matched with the metal sheath 15. An installation ring groove 51 is formed in the side wall of the piston 5, a Y-shaped sealing ring 52 is arranged in the installation ring groove 51, the piston 5 is in clearance fit with the metal sheath 15, and the Y-shaped sealing ring 52 is in interference fit with the metal sheath 15. Preferably, at least two of the mounting ring grooves 51 are provided, and the mounting ring grooves 51 are arranged in the axial direction of the piston 5. Through the airtight cooperation of Y type sealing washer 52 and pump body 1 inner wall for piston 5 utilizes Y type sealing washer 52 and pump body 1 inner wall airtight cooperation more in the motion process, has reduced the direct wearing and tearing between piston 5 and the pump body 1 inner wall, has guaranteed the performance of towards tooth ware to a certain extent.
Specifically, with reference to fig. 1 to 5, the water pump of the tooth flushing device comprises a movement bracket 6, a motor 61, an eccentric wheel 7 and a connecting rod 8, wherein the top end of the connecting rod 8 is hinged with a piston 5. The pump body 1 is fixedly connected in the machine core bracket 6, and the eccentric wheel 7 is rotatably arranged in the machine core bracket 6. The top end of the connecting rod 8 is hinged to the piston 5, the bottom end of the connecting rod 8 is provided with a connecting sleeve 81, the connecting sleeve 81 is rotatably sleeved outside the eccentric wheel 7, and the motor 61 is used for driving the eccentric wheel 7 to rotate.
Specifically, the water pump of the tooth flushing device comprises a flexible sealing sleeve 9, the top edge of the flexible sealing sleeve 9 is in sealing connection with the bottom of the pump body 1, and the bottom edge of the flexible sealing sleeve 9 is in sealing connection with a connecting rod 8, so that a water drainage cavity is formed in the lower portion of the pump body 1. The flexible sealing sleeve 9 is provided with a water outlet which is connected with a drainage pipeline 16, and the drainage pipeline is communicated with the drainage cavity through the water outlet 16.
For components and functional principles thereof not mentioned in the present application, reference may be made to chinese patent CN 208823022U.
In the process that the piston 5 moves to increase the volume of the inner cavity of the pump body 1, relative negative pressure is generated in the inner cavity of the pump body 1, and liquid is pumped into the inner cavity of the pump body 1 through the water inlet channel 411. Because the elastic member 3 is disposed in the water outlet channel 211, and two ends of the elastic member 3 respectively abut against the limiting inner convex portion 213 and the water outlet valve piece moving portion 221, the water outlet valve piece moving portion 221 is abutted by the elastic member 3 to tightly cover the water outlet 11, so as to prevent air from being drawn in through the water outlet 11, thereby ensuring that a single water inlet process can draw a sufficient amount of water into the inner cavity of the pump body 1.
In the process that the volume of the inner cavity of the pump body 1 is increased due to the movement of the piston 5, liquid in the water inlet channel 411 impacts the water inlet valve sheet movable part 421 of the water inlet valve sheet 42, so that the water inlet valve sheet movable part 421 swings towards the inner cavity of the pump body 1, the water inlet valve sheet 42 is opened, the water inlet 13 is communicated with the water inlet channel 411, and water inlet is achieved. In the process, the outlet valve piece moving part 221 is pressed by the elastic member 3 to tightly cover the outlet 11, so that the outlet 11 is kept sealed.
In the process that the piston 5 moves to reduce the volume of the inner cavity of the pump body 1, the liquid in the inner cavity of the pump body 1 impacts the water outlet valve piece moving part 221 of the water outlet valve piece 22, overcomes the self elasticity of the elastic piece 3 and the water outlet valve piece moving part 221, enables the water outlet valve piece moving part 221 to swing outwards, enables the water outlet valve piece 22 to be opened, enables the water outlet channel 211 to be communicated with the water outlet 11, and achieves water outlet. In the process, the movable portion 421 of the water inlet valve covers the water outlet of the water inlet channel 411 of the water inlet connector 41 by the elastic restoring force of itself and the water pressure of the inner cavity of the pump body 1, so that the water inlet 13 is kept sealed.
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 (10)
1. Towards tooth ware water pump, its characterized in that: the water outlet valve comprises a pump body, a water outlet connecting piece, a water outlet valve block and an elastic piece, wherein the pump body is provided with a water outlet and a water outlet mounting counter bore, the water outlet connecting piece is fixedly mounted in the water outlet mounting counter bore, the water outlet connecting piece is provided with a water outlet channel, the water outlet channel is communicated with an inner cavity of the pump body through the water outlet, a first arc-shaped groove is formed in the water outlet valve block, the water outlet valve block is divided into a water outlet valve block movable part and a water outlet valve block fixing part by the first arc-shaped groove, a water outlet avoiding pit is formed in the middle of the bottom end of the water outlet connecting piece, the water outlet valve block fixing part is clamped by the bottom edge of the water outlet connecting piece and the bottom wall of the water outlet mounting counter bore together, the water outlet valve block movable part covers the water outlet, the water outlet avoiding pit is used for avoiding the water outlet, the elastic piece is arranged in the water outlet channel, and two ends of the elastic piece respectively abut against the limiting inner convex part and the movable part of the water outlet valve piece.
2. The water pump according to claim 1, wherein: the elastic piece is a spring.
3. The water pump according to claim 1, wherein: the limiting inner convex part is a convex block or a convex flange protruding towards the inner side.
4. The water pump according to claim 1, wherein: towards tooth ware water pump includes into water connecting piece and water inlet valve piece, the pump body includes the water inlet and advances water installation counter bore, advance water connecting piece fixedly install in advance in the water installation counter bore, the water inlet passageway has been seted up to the connecting piece of intaking, the water inlet passageway with the inner chamber of the pump body passes through the water inlet intercommunication, the inside second arc fluting that is equipped with of valve piece of intaking, the second arc fluting will the water inlet valve piece divide into water inlet valve piece movable part and water inlet valve piece fixed part, the bottom middle part of water installation counter bore is equipped with into water and dodges the hole, water inlet valve piece fixed part quilt the diapire of connecting piece of intaking with the bottom edge of water installation counter bore cliies jointly, water inlet valve piece movable part covers the apopore of water inlet passageway, it dodges the hole and is used for dodging to advance water inlet valve piece movable part.
5. The water pump according to claim 1, wherein: the pump body is internally provided with a piston, the inner wall of the cavity of the pump body is fixedly provided with a metal sheath, and the piston is matched with the metal sheath in a sliding manner.
6. The water pump according to claim 5, wherein: the lateral wall of piston has been seted up the installation annular, be equipped with Y type sealing washer in the installation annular, the piston with metal sheath clearance fit, Y type sealing washer with metal sheath interference fit.
7. The water pump according to claim 6, wherein: at least two mounting ring grooves are arranged, and the mounting ring grooves are arranged along the axial direction of the piston.
8. The water pump according to claim 5, wherein: including core support, motor, eccentric wheel, connecting rod, the top of connecting rod with the piston is articulated, pump body rigid coupling in the core support, the eccentric wheel is rotationally located in the core support, the top of connecting rod with the piston is articulated, the bottom of connecting rod is equipped with connecting sleeve, connecting sleeve rotationally overlaps and locates on the eccentric wheel, the motor is used for the drive the eccentric wheel rotates.
9. The water pump according to claim 8, wherein: including the flexible sealing cover, the top edge of flexible sealing cover with pump body bottom sealing connection, the bottom edge of flexible sealing cover with connecting rod sealing connection, thereby the lower part of the pump body forms a drainage chamber, the flexible sealing cover is equipped with the outlet, the outlet is connected with drainage pipe, drainage pipe passes through the outlet with drainage chamber intercommunication.
10. Towards tooth ware, its characterized in that: comprising the water pump according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922260462.8U CN211623694U (en) | 2019-12-16 | 2019-12-16 | Water pump of tooth flushing device and tooth flushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922260462.8U CN211623694U (en) | 2019-12-16 | 2019-12-16 | Water pump of tooth flushing device and tooth flushing device |
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| Publication Number | Publication Date |
|---|---|
| CN211623694U true CN211623694U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922260462.8U Active CN211623694U (en) | 2019-12-16 | 2019-12-16 | Water pump of tooth flushing device and tooth flushing device |
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| CN (1) | CN211623694U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446187A (en) * | 2021-07-26 | 2021-09-28 | 倍加洁集团股份有限公司 | Piston water pump for tooth flushing device |
| CN114278555A (en) * | 2021-12-27 | 2022-04-05 | 东莞市盛载电子科技有限公司 | Pressure-boosting energy-saving water pump |
| CN115163449A (en) * | 2022-05-16 | 2022-10-11 | 东莞市美洋联盈电器有限公司 | Booster-type miniature water pump for tooth flushing device |
| CN115263745A (en) * | 2022-07-20 | 2022-11-01 | 李石军 | Water pump mechanism and tooth washing device |
-
2019
- 2019-12-16 CN CN201922260462.8U patent/CN211623694U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113446187A (en) * | 2021-07-26 | 2021-09-28 | 倍加洁集团股份有限公司 | Piston water pump for tooth flushing device |
| CN113446187B (en) * | 2021-07-26 | 2023-08-18 | 倍加洁集团股份有限公司 | Piston water pump for tooth flushing device |
| CN114278555A (en) * | 2021-12-27 | 2022-04-05 | 东莞市盛载电子科技有限公司 | Pressure-boosting energy-saving water pump |
| CN115163449A (en) * | 2022-05-16 | 2022-10-11 | 东莞市美洋联盈电器有限公司 | Booster-type miniature water pump for tooth flushing device |
| CN115263745A (en) * | 2022-07-20 | 2022-11-01 | 李石军 | Water pump mechanism and tooth washing device |
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