CN216950726U - Tooth flushing device piston pump - Google Patents
Tooth flushing device piston pump Download PDFInfo
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- CN216950726U CN216950726U CN202220364759.8U CN202220364759U CN216950726U CN 216950726 U CN216950726 U CN 216950726U CN 202220364759 U CN202220364759 U CN 202220364759U CN 216950726 U CN216950726 U CN 216950726U
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Abstract
A tooth punching device piston pump comprises a pump body, a piston head, a piston, a connecting rod, an eccentric wheel, a straight gear and a motor, wherein the piston head is made of flexible materials, the pump body is provided with a water pump chamber and a piston chamber which are arranged on the left and right and are communicated, the front end of the connecting rod extends into the piston chamber and is connected with the piston head through the piston, the outer peripheral surface of the piston head is in sealing contact with the inner wall of the piston chamber, a rotating shaft of the motor is connected with the straight gear, and the motor is used for driving the straight gear to rotate so as to drive the eccentric wheel to drive the connecting rod to do reciprocating motion, so that the piston and the piston head do reciprocating motion in the piston chamber; the pump body is provided with a water inlet and a water outlet which are communicated with the cavity of the water pump, the water inlet is provided with a water inlet check valve, the water outlet is provided with a water outlet check valve, and when the piston head does reciprocating motion in the piston cavity, the water inlet and the water outlet check valve are matched to enable the water inlet to suck water and then spray out from the water outlet. The utility model has the advantages of good non-return effect, low noise, high efficiency and stability.
Description
Technical Field
The utility model relates to the field of design of tooth rinsers, in particular to a piston pump of a tooth rinser.
Background
At present, tooth ware piston pump on the market generally is similar to syringe structure of injecing, through the chamber wall direct contact of piston with piston motion, leads to frictional force big, and the motion is inflexible, then needs lubricating oil lubricated this moment, and lubricating oil then can cause the pollution to the liquid of piston pump extraction to influence in-service use. In addition, according to the requirements of the existing production and equipment, the size of the water toothpick piston pump is smaller, so that the internal components of the water toothpick piston pump are required to be more compact, and the non-return requirement on the water inlet/outlet is higher due to the smaller size of the water toothpick piston pump, however, the existing technology cannot achieve the non-return requirement.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model provides a tooth flushing device piston pump, which aims to solve the problems that the existing tooth flushing device piston pump is simple in structure, the piston needs lubricating grease, pollution exists, the check of a water inlet/outlet cannot meet the use requirement, and the like.
In order to achieve the aim, the utility model provides a tooth flusher piston pump which comprises a pump body, a piston head made of flexible materials, a piston, a connecting rod, an eccentric wheel, a straight gear and a motor, the pump body is provided with a water pump chamber and a piston chamber which are arranged at the left and the right and are communicated, the front end of the connecting rod extends into the piston chamber and is connected with the piston head through the piston, the outer circumferential surface of the piston head is in sealing contact with the inner wall of the piston chamber, the rear end of the connecting rod is hinged with a deflection shaft which is not positioned in the eccentric wheel, the periphery of the eccentric wheel is of a gear structure, the straight gear is meshed with the eccentric wheel, a rotating shaft of the motor is connected with the straight gear, the motor is used for driving the straight gear to rotate, thereby driving the eccentric wheel to rotate, so that the eccentric wheel drives the connecting rod to do reciprocating motion, and further the piston and the piston head do reciprocating motion in the piston chamber;
be equipped with on the pump body with water inlet and the delivery port of water pump cavity intercommunication, the water inlet be equipped with into water check valve the delivery port is equipped with out the water check valve, it is the flexible glue material to advance water check valve and go out the water check valve, works as the piston head is reciprocating motion in the piston cavity, through advance water check valve with go out the cooperation of water check valve, so that the water inlet is inhaled behind the water and is followed the delivery port blowout.
As a further preferable technical scheme of the utility model, a liner with a pipe sleeve structure is embedded in the pump body, the piston chamber is a cavity space of the liner, and the peripheral surface of the piston head is in sealing contact with the inner wall of the cavity of the liner.
As a further preferable technical scheme of the utility model, the front end of the connecting rod is provided with a movable shaft vertical to the axial direction of the connecting rod, and the piston is hinged on the movable shaft through the connecting rod shaft.
As a further preferred technical solution of the present invention, the piston is formed by buckling and connecting an upper half piston body and a lower half piston body, the upper half piston body and the lower half piston body are fixed by screws, and the movable shaft is movably clamped between the upper half piston body and the lower half piston body.
As a further preferable technical scheme of the utility model, the water inlet is connected with a water inlet joint, a water inlet sealing ring and a water inlet net are connected between the water inlet joint and the water inlet, and the water inlet net is positioned at the outer side of the water inlet one-way valve; the water outlet is connected with a water outlet connector, a water outlet sealing ring and a water outlet net are connected between the water outlet connector and the water outlet, and the water outlet net is positioned on the outer side of the water outlet one-way valve.
As a further preferable technical scheme of the present invention, the tooth flusher piston pump further comprises an upper shell and a lower shell, the upper shell and the lower shell are buckled and connected to form a protective shell, the pump body, the piston head, the piston, the connecting rod, the eccentric wheel, the straight gear, the water inlet joint and the water outlet joint are assembled and then positioned inside the protective shell, and the motor is fixedly arranged outside the protective shell.
As a further preferable technical solution of the present invention, a PCB board and a battery are further connected to the exterior of the protective casing, the battery is electrically connected to the PCB board, and the PCB board is electrically connected to the motor.
As a further preferable technical scheme of the utility model, a water inlet pipe is arranged outside the protective shell and close to the water inlet connector, and the water inlet pipe is connected with the water inlet connector.
By adopting the technical scheme, the tooth flusher piston pump has the advantages of simple and compact overall structure and flexible movement; the motor is connected and driven to do reciprocating motion, so that the piston and the piston head are driven to do reciprocating motion in the piston chamber, and the water is sucked by the water inlet and then is sprayed out of the water outlet under the matching of the water inlet one-way valve and the water outlet one-way valve made of soft rubber; the piston head is made of soft rubber, the piston deforms along with the movement of the piston and is always in sealing contact with the inner wall of the piston chamber, the sealing performance is good, lubricating oil is not needed, and water pollution cannot be caused; and, the check valve that intakes all adopts the flexible glue material with the check valve that goes out water, not only it is effectual to stop contrary, and the noise is little moreover, and the structure is high-efficient, stable.
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 pump of the present invention;
FIG. 2 is a perspective view of the dental irrigator piston pump of the present invention;
FIG. 3 is a partially exploded view of the dental irrigator piston pump of FIG. 2;
FIG. 4 is a partial schematic view of the dental irrigator piston pump of the present invention;
figure 5 is a partial cross-sectional view of the dental irrigator piston pump of figure 4.
In the figure: 1. the water pump comprises an upper piston body, a water inlet pipe, a water inlet joint, a water inlet sealing ring, a water inlet net, a water inlet one-way valve, a water outlet joint, a water outlet sealing ring, a water outlet net, a water outlet one-way valve, a pump body, a piston head, a lining, a shell, a connecting rod shaft, a gear 17, an eccentric wheel, 18, a straight gear, a connecting rod, a piston body, a lower shell, a PCBA plate, a motor, a battery, a piston cavity, a water pump cavity, a water inlet, a water outlet and a water inlet, wherein the piston body is a piston shaft, the gear shaft, the straight gear, the connecting rod, the piston shaft, the straight gear, the piston shaft.
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.
As shown in fig. 1 to 5, the present invention provides a tooth-rinsing device piston pump, which includes a pump body 11, a piston head 12 made of flexible material, a piston, a connecting rod 19, an eccentric wheel 17, a spur gear 18 and a motor 23, wherein the pump body 11 has a water pump chamber 26 and a piston chamber 25 which are arranged left and right and are communicated, a front end of the connecting rod 19 extends into the piston chamber 25 and is connected with the piston head 12 through the piston, an outer peripheral surface of the piston head 12 is in sealing contact with an inner wall of the piston chamber 25, a rear end of the connecting rod 19 is hinged to a deflection shaft which is not located in the eccentric wheel 17, an outer periphery of the eccentric wheel 17 is in a gear structure, the spur gear 18 is engaged with the eccentric wheel 17, a rotating shaft of the motor 23 is connected with the spur gear 18, the motor 23 is used for driving the spur gear 18 to rotate so as to drive the eccentric wheel 17 to drive the connecting rod 19 to make reciprocating motion, further, the piston and the piston head 12 are made to make reciprocating motion in a piston chamber 25, a liner 13 with a pipe sleeve structure is embedded in the pump body 11, the piston chamber 25 is a cavity space of the liner 13, and the peripheral surface of the piston head 12 is in sealing contact with the inner wall of the cavity of the liner 13;
be equipped with on the pump body 11 with water inlet 27 and delivery port 28 of water pump cavity 26 intercommunication, water inlet 27 is equipped with into water check valve 6, delivery port 28 is equipped with out water check valve 10, it is soft rubber material to advance water check valve 6 and go out water check valve 10, works as the piston head 12 is reciprocating motion in piston cavity 25, through advance water check valve 6 with go out the cooperation of water check valve 10, so that behind the water inlet 27 suction water and follow delivery port 28 blowout.
The working principle of the tooth flusher piston pump is as follows:
the motor 23 works to drive the eccentric wheel 17 to rotate, thereby driving the connecting rod 19 which is assembled with the piston head 12 into a whole to do piston motion back and forth (reciprocating motion); when the piston head 12 moves forwards, pressure is generated in the water pump chamber 26 and the piston chamber 25, the water inlet check valve 6 is closed, the water outlet check valve 10 is influenced by internal pressure, the edge is deformed and tilted to be in an open state, and at the moment, water in the water pump chamber 26 is sprayed out from the water outlet 28 under the action of pressure; when the piston head 12 retreats, the water outlet check valve 10 is closed, the pressure in the water pump chamber 26 and the piston chamber 25 is reduced due to the piston retreating, namely the pressure is smaller than the external pressure to form negative pressure, at the moment, the water inlet check valve 6 is influenced by the negative pressure, the edge is deformed and tilted, the water pump chamber 26 is communicated with the outside, and external water is supplemented into the water pump chamber 26 through the water inlet 27.
Preferably, the front end of the connecting rod 19 is provided with a movable shaft vertical to the axial direction of the connecting rod, the piston is hinged to the movable shaft through a connecting rod 19 shaft 15, the piston is formed by buckling and connecting an upper piston body 1 and a lower piston body 20, the upper piston body 1 and the lower piston body 20 are fixed through screws, and the movable shaft is movably clamped between the upper piston body 1 and the lower piston body 20, so that the assembly of the piston is facilitated, the reciprocating motion type is performed, the relative rotation of the piston on the connecting rod 19 is facilitated, the connection is reliable, and the motion is flexible.
In a specific implementation, the water inlet 27 is connected with a water inlet joint 3, a water inlet sealing ring 4 and a water inlet net 5 are connected between the water inlet joint 3 and the water inlet 27, the water inlet net 5 is positioned outside the water inlet check valve 6, and the water inlet joint 3 is further connected with a water inlet pipe 2 so as to be connected with an external water supply pipe; the water outlet 28 is connected with a water outlet connector 7, a water outlet sealing ring 8 and a water outlet net 9 are connected between the water outlet connector 7 and the water outlet 28, and the water outlet net 9 is positioned on the outer side of the water outlet one-way valve 10.
In another embodiment, tooth flushing device piston pump still includes epitheca 14 and inferior valve 21, epitheca 14 with 21 lock connection of inferior valve forms protective housing, through screwed connection between the two, the pump body 11, piston head 12, piston, connecting rod 19, eccentric wheel 17, spur gear 18, water inlet connector 3 and water outlet connector 7 are equipped with the back and are located inside protective housing, motor 23 is fixed to be set up protective housing is outside, rotates eccentric wheel 17 through gear shaft 16 on the protective housing and connects, makes overall structure compact like this, and protective housing can protect inside part, guarantees its reliable and stable operation, and the relative noise is less when moving.
In another embodiment, a PCB 22 and a battery 24 are further connected to the outside of the protective casing, the battery 24 is electrically connected to the PCB 22, and the PCB 22 is electrically connected to the motor 23.
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 flusher piston pump, which is characterized by comprising a pump body, a piston head made of flexible material, a piston, a connecting rod, an eccentric wheel, a straight gear and a motor, the pump body is provided with a water pump chamber and a piston chamber which are arranged at the left and the right and are communicated, the front end of the connecting rod extends into the piston chamber and is connected with the piston head through the piston, the outer circumferential surface of the piston head is in sealing contact with the inner wall of the piston chamber, the rear end of the connecting rod is hinged with a deflection shaft which is not positioned in the eccentric wheel, the periphery of the eccentric wheel is of a gear structure, the straight gear is meshed with the eccentric wheel, a rotating shaft of the motor is connected with the straight gear, the motor is used for driving the straight gear to rotate, thereby driving the eccentric wheel to rotate, so that the eccentric wheel drives the connecting rod to do reciprocating motion, and further the piston and the piston head do reciprocating motion in the piston chamber;
the pump body is provided with a water inlet and a water outlet which are communicated with the cavity of the water pump, the water inlet is provided with a water inlet check valve, the water outlet is provided with a water outlet check valve, the water inlet check valve and the water outlet check valve are both made of soft rubber materials, and when the piston head moves in a reciprocating mode in the piston cavity, the water inlet check valve is matched with the water outlet check valve, so that the water inlet sucks water and then the water outlet is sprayed out.
2. The dental irrigator piston pump of claim 1 wherein a liner of a tube sleeve structure is embedded in the pump body, the piston chamber is a cavity space of the liner, and the outer peripheral surface of the piston head is in sealing contact with the inner wall of the cavity of the liner.
3. The dental irrigator piston pump of claim 1 wherein the forward end of the connecting rod has a movable shaft perpendicular to its axial direction, and the piston is hinged to the movable shaft by the connecting rod shaft.
4. The piston pump of claim 3, wherein the piston is formed by buckling and connecting an upper half piston body and a lower half piston body, the upper half piston body and the lower half piston body are fixed by screws, and the movable shaft is movably clamped between the upper half piston body and the lower half piston body.
5. The dental irrigator piston pump of claim 1 wherein the water inlet is connected to a water inlet fitting, a water inlet gasket and a water inlet mesh are connected between the water inlet fitting and the water inlet, the water inlet mesh being located outside the water inlet check valve; the water outlet is connected with a water outlet connector, a water outlet sealing ring and a water outlet net are connected between the water outlet connector and the water outlet, and the water outlet net is positioned on the outer side of the water outlet one-way valve.
6. The dental irrigator piston pump of any one of claims 1 to 5 further comprising an upper housing and a lower housing, wherein the upper housing and the lower housing are fastened to form a protective housing, the pump body, the piston head, the piston, the connecting rod, the eccentric wheel, the spur gear, the water inlet joint and the water outlet joint are assembled and then positioned inside the protective housing, and the motor is fixedly disposed outside the protective housing.
7. The dental irrigator piston pump of claim 6 wherein a PCB board and a battery are also connected to the exterior of the protective housing, the battery being electrically connected to the PCB board, the PCB board being electrically connected to the motor.
8. The dental irrigator piston pump of claim 6 wherein an inlet tube is provided outside the protective housing adjacent the water inlet fitting, the inlet tube being connected to the water inlet fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220364759.8U CN216950726U (en) | 2022-02-22 | 2022-02-22 | Tooth flushing device piston pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220364759.8U CN216950726U (en) | 2022-02-22 | 2022-02-22 | Tooth flushing device piston pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216950726U true CN216950726U (en) | 2022-07-12 |
Family
ID=82292111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220364759.8U Active CN216950726U (en) | 2022-02-22 | 2022-02-22 | Tooth flushing device piston pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216950726U (en) |
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2022
- 2022-02-22 CN CN202220364759.8U patent/CN216950726U/en active Active
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