CN218816823U - Water pump of tooth flushing device - Google Patents

Abstract

A water pump of a tooth flushing device is characterized in that a motor and a piston mechanism are arranged in a shell, a motor rotating shaft is connected with a driving gear, the piston mechanism comprises a three-hole piston cylinder, a rubber piston, a piston sleeve, a connecting rod and a driven gear, the piston sleeve is arranged in the three-hole piston cylinder and sleeved on the rubber piston, a movable cavity is arranged in the three-hole piston cylinder, one end of the connecting rod is detachably connected with the rubber piston, the other end of the connecting rod is movably connected with the driven gear, the piston sleeve comprises a first cylinder, a circle of first baffle is arranged on the periphery of one side, opposite to a pull rod, of the first cylinder, the rubber piston comprises a second cylinder, a circle of avoiding notch is formed on the periphery of one side, opposite to the pull rod, of the second cylinder, a circle of second baffle is arranged on the periphery of one side, opposite to the pull rod, of the second cylinder, the inner wall of the movable cavity is abutted to the inner wall of one side, opposite to the inner wall of the first cylinder, a circle of the second baffle is formed with a circle of a groove, a clamping block matched with the groove is formed on the inner wall of the movable cavity, and double-layer sealing and waterproof effects are achieved.

Description

Water pump of tooth flushing device

Technical Field

The utility model belongs to the technical field of domestic appliance, especially, relate to a tooth flushing device water pump.

Background

The tooth flushing device is an auxiliary tool for cleaning a cavity, the working principle is that teeth and slits are cleaned in a pulse water flow impact mode, and a water pump in the tooth flushing device plays a role in improving water pressure, so that water flow with certain pressure can be ejected from a nozzle of the tooth flushing device.

Towards tooth ware water pump includes the casing, movable rod and actuating mechanism, the one of casing serves and is provided with the water inlet and the delivery port that is adjacent and be linked together with the water inlet, the water inlet is arranged in a cavity of casing with the intercommunication department of delivery port, actuating mechanism is used for driving the movable rod and drives the piston at the indoor reciprocating motion of cavity, the event alright reach the atmospheric pressure that changes in the cavity through the movable rod, thereby make water flow to the cavity from the water inlet, flow to the purpose of delivery port from the cavity again, however, towards tooth ware water pump at the during operation, the movable rod drives piston reciprocating motion in the cavity, can produce high-speed friction between piston and the cavity casing, after the event time is of a specified duration, thereby lead to towards the defect that tooth ware water pump leaked easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to current towards tooth ware water pump at the during operation, the movable rod drives the piston at the indoor reciprocating motion of cavity, can produce high-speed friction between piston and the cavity casing, so after the time is of a specified duration to lead to easily towards the defect that tooth ware water pump leaked, provide one kind and wash tooth ware water pump.

The utility model provides an above-mentioned technical problem adopted technical scheme as follows:

provides a water pump of a tooth flushing device, which comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are detachably buckled together to form a shell, a motor and a piston mechanism driven by the motor are arranged in the shell, the rotating shaft of the motor is connected with a driving gear which coaxially rotates, the piston mechanism comprises a three-hole piston cylinder, a rubber piston, a piston sleeve, a connecting rod and a driven gear which is meshed and connected with the driving gear, the piston sleeve is inserted in the three-hole piston cylinder and sleeved on the rubber piston, a movable cavity corresponding to the rubber piston is arranged in the three-hole piston cylinder, one end of the connecting rod is detachably connected with the rubber piston, the other end of the connecting rod is movably connected with the driven gear, the piston sleeve comprises a first cylinder, the outer periphery of one side of the first cylinder opposite to the pull rod extends outwards to form a circle of first baffle abutted against one side of the three-hole piston cylinder opposite to the pull rod, the inner ring of the first baffle extends into the first cylinder, the rubber piston comprises a second cylinder, the outer periphery of one side of the second cylinder opposite to the pull rod is recessed inwards to form a circle of avoiding gaps for avoiding the inner wall of the first baffle plate, a circle of second baffle plate which is butted at one side of the first cylinder opposite to the pull rod is outwards extended from the outer periphery of one side of the second cylinder opposite to the pull rod, one side of the second baffle, which is opposite to the first cylinder, is abutted against the inner wall of the movable cavity, one side of the second baffle opposite to the inner wall of the movable cavity is provided with a circle of grooves, and the inner wall of the movable cavity is provided with a circle of clamping blocks matched with the grooves.

Furthermore, still be equipped with in the three hole piston barrels one with the chamber of drawing water of activity chamber intercommunication, three hole piston barrel bottoms still be equipped with one with the inlet opening that the chamber of drawing water communicates, the inlet opening is equipped with an inlet tube, one side that three hole piston barrels kept away from the pull rod still be equipped with one with the apopore that the chamber of drawing water communicates, the apopore is equipped with an outlet pipe.

Further, first baffle with the relative one side bottom of three hole piston cylinders is equipped with the round cross-section and is the sealing washer of triangle-shaped, three hole piston cylinder lateral wall bottoms be equipped with the round with the sealed breach of sealing washer adaptation.

Furthermore, the pull rod and the end opposite to the rubber piston are provided with a first snap ring and a second snap ring arranged at an interval with the first snap ring, a clamping groove is formed between the first snap ring and the second snap ring, one side, opposite to the pull rod, of the rubber piston is provided with a buckle limiting groove matched with the first snap ring and the clamping groove, the first snap ring can be buckled in the buckle limiting groove, the second snap ring is abutted against the buckle limiting groove, and therefore the pull rod is detachably clamped with the rubber piston.

Further, the movable cavity is a conical movable cavity.

Further, the rubber piston is made of plastic.

The water pump of the tooth flushing device comprises an upper cover and a lower cover which are detachably buckled together to form a shell, a motor and a piston mechanism driven by the motor are arranged in the shell, a rotating shaft of the motor is connected with a coaxial rotating driving gear, the piston mechanism comprises a three-hole piston cylinder, a rubber piston, a piston sleeve, a connecting rod and a driven gear meshed with the driving gear, the piston sleeve is inserted in the three-hole piston cylinder and sleeved on the rubber piston, a movable cavity arranged corresponding to the rubber piston is arranged in the three-hole piston cylinder, one end of the connecting rod is detachably connected with the rubber piston, the other end of the connecting rod is movably connected with the driven gear, the piston sleeve comprises a first cylinder, the outer periphery of one side of the first cylinder opposite to a pull rod extends outwards to form a circle of a first baffle butted on one side of the three-hole piston cylinder opposite to the pull rod, and the inner circle of the first baffle extends to the inside of the first cylinder, the rubber piston comprises a second cylinder, the periphery of one side of the second cylinder opposite to the pull rod is inwards concave to form a circle of avoiding gap for avoiding the inner wall of the first baffle, the periphery of one side of the second cylinder opposite to the pull rod is outwards extended to form a circle of second baffle butted on one side of the first cylinder opposite to the pull rod, one side of the second baffle opposite to the first cylinder is butted on the inner wall of the movable cavity, one side of the second baffle opposite to the inner wall of the movable cavity forms a circle of groove, the inner wall of the movable cavity forms a circle of clamping block matched with the groove, thus, the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the piston silica gel sleeve to reciprocate towards the direction of the movable cavity of the three-hole piston cylinder in the piston sleeve through the connecting rod, the water pump has the advantages that the conical inner wall structure of the movable cavity can extrude water flow, the impulsive force of the water spraying of the flowing water is enhanced, the second baffle forms a circle of groove on one side opposite to the inner wall of the movable cavity, a circle of clamping block matched with the groove is formed on the inner wall of the movable cavity, and the clamping block is buckled in the groove, so that a double-layer sealing waterproof effect is formed, the water pump can effectively prevent the water leakage problem of the water pump of the tooth flushing device, the problem that the water pump of the existing tooth flushing device works is effectively solved, the movable rod drives the piston to move in the cavity in a reciprocating mode, high-speed friction can be generated between the piston and the cavity shell, and the water pump of the tooth flushing device is easy to leak after the water pump works for a long time.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a water pump of a tooth flushing device according to an embodiment of the present invention;

fig. 2 is a top view of a water pump of the dental irrigator according to an embodiment of the present invention;

fig. 3 is an exploded view of a water pump of the dental irrigator according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a water pump of the water toothpick according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view at A in FIG. 4;

fig. 6 is another cross-sectional view of a water pump of the dental irrigator according to an embodiment of the present invention;

FIG. 7 is an enlarged schematic view at B of FIG. 6;

fig. 8 is an overall structure view of a rubber piston of the water pump for a tooth rinsing device according to an embodiment of the present invention;

fig. 9 is a cross-sectional view of a rubber piston of the water pump of the dental irrigator according to an embodiment of the present invention;

fig. 10 is an overall structure view of a piston sleeve of the water pump of the tooth flusher according to an embodiment of the present invention;

fig. 11 is a cross-sectional view of a piston sleeve of a water pump for a dental irrigator according to an embodiment of the present invention;

fig. 12 is an overall structure view of a three-hole piston cylinder of the water pump for a dental irrigator according to an embodiment of the present invention;

fig. 13 is a cross-sectional view of a three-hole piston cylinder of the water pump according to an embodiment of the present invention;

fig. 14 is an overall structure view of a pull rod of the water pump of the tooth rinsing device according to an embodiment of the present invention.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects of the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1 to 14 together, an embodiment of the present invention provides a water pump for a tooth rinsing device, including an upper cover 101 and a lower cover 102, where the upper cover 101 and the lower cover 102 are detachably fastened together to form a housing (not shown), a motor 103 and a piston mechanism (not shown) driven by the motor 103 are disposed in the housing, a rotating shaft of the motor 103 is connected to a driving gear 104 rotating coaxially, the piston mechanism includes a connecting rod 105, a rubber piston 106, a piston sleeve 107, a three-hole piston cylinder 108 and a driven gear 109 engaged with the driving gear 104, the piston sleeve 107 is inserted into the three-hole piston cylinder 108 and the piston sleeve 107 is sleeved on the rubber piston 106, a movable cavity 1071 corresponding to the rubber piston 106 is disposed in the three-hole piston cylinder 107, one end of the connecting rod 105 is detachably connected to the rubber piston 106, the other end of the connecting rod 105 is sleeved on the driven gear 109, the piston sleeve 107 includes a first cylinder 1071, an outer periphery of one side of the first cylinder 1071 opposite to the pull rod 105 extends outwards to form a circle of first baffle 1072 abutting on one side of the three-hole piston cylinder 108 opposite to the pull rod 105, an inner ring of the first baffle 1072 extends into the first cylinder 1071, an outer periphery of the first cylinder 1071 abuts on an inner wall of the three-hole piston cylinder 107, the rubber piston 106 includes a second cylinder 1061, an outer periphery of the second cylinder 1061 abuts on the inner wall of the first cylinder 1071, an outer periphery of one side of the second cylinder 1061 opposite to the pull rod 105 is recessed to form a circle of avoiding gap 1062 for avoiding an inner wall of the first baffle 1072, an outer periphery of one side of the second cylinder 1061 opposite to the pull rod 105 extends outwards to form a circle of abutting on the first cylinder 1071 A second baffle 1063 is disposed on one side of the cylinder 1071 opposite to the pull rod 105, one side of the second baffle 1063 opposite to the first cylinder 1071 abuts against an inner wall of the movable cavity 1081, one side of the second baffle 1063 opposite to the inner wall of the movable cavity 1081 forms a circle of groove 1064, and a circle of fixture block 1082 adapted to the groove 1064 is formed on the inner wall of the movable cavity 1081, at this time, the motor 103 drives the driving gear 104 to rotate, the driving gear 104 drives the driven gear 109 to rotate, the driven gear 109 drives the piston silica gel sleeve 106 through the connecting rod 105 to reciprocate in the piston sleeve 107 toward the direction of the movable cavity 1081 of the three-hole piston cylinder 108, and in addition, the tapered inner wall structure of the movable cavity 1081 can form an extrusion on the water flow, so as to enhance the impact force of the water flow, the circle of groove 1064 is formed on one side of the second baffle 1063 opposite to the inner wall of the movable cavity 1081, and the circle of the fixture block 1082 adapted to form a circle of the water-proof water pump, thereby effectively preventing the problem of water leakage.

In this embodiment, still be equipped with in the three hole piston cylinder 108 one with the chamber 1084 that draws water that activity chamber 1081 communicates, three hole piston cylinder 1081 bottom still be equipped with one with draw water the inlet opening 1085 that chamber 1084 communicates, inlet opening 105 is equipped with an inlet tube 112, three hole piston cylinder 108 is kept away from one side of pull rod 105 still be equipped with one with draw water the apopore 1086 that chamber 1084 communicates, apopore 1086 is equipped with an outlet pipe 111.

In this embodiment, first baffle 1072 with the relative one side bottom of three hole piston cylinder 108 is equipped with the sealing washer 1073 that the round cross-section is the triangle-shaped, three hole piston cylinder 108 lateral wall bottoms be equipped with the round with the sealed breach 1083 of sealing washer 1073 adaptation, set up through sealing washer 1073 driven gear 109 passes through connecting rod 105 drives piston silica gel cover 106 is in the piston sleeve 107 towards during the direction reciprocating motion of the movable chamber 1081 of three hole piston cylinder 108, can further reduce frictional force, noise reduction for it has the characteristics that the decibel noise is little, comfortable heart is noiseless, the low energy-conserving of consumption to dash the tooth ware.

In this embodiment, the driving gear 104 is a spur gear.

In this embodiment, a first snap ring 1061 and a second snap ring 1062 spaced from the first snap ring 1061 are disposed at an end of the pull rod 106 opposite to the rubber piston 107, a clamping groove 1063 is formed between the first snap ring 1061 and the second snap ring 1062, a buckle limiting groove 1065 adapted to the first snap ring 1061 and the clamping groove 1063 is disposed at one side of the rubber piston 107 opposite to the pull rod 106, the first snap ring 1061 is buckled in the buckle limiting groove 1065, and the second snap ring 1062 abuts against the buckle limiting groove 1065, so that the pull rod 106 and the rubber piston 107 are detachably clamped together.

In this embodiment, the movable cavity 1081 is a tapered movable cavity, and the tapered inner wall structure can extrude water flow to enhance the impact of the water jet.

In this embodiment, the rubber piston 106 is made of plastic.

In this embodiment, the driven gear 109 is fixed in the housing by a fixed shaft 109.

The water pump of the tooth flushing device comprises an upper cover and a lower cover which are detachably buckled together to form a shell, a motor and a piston mechanism driven by the motor are arranged in the shell, a rotating shaft of the motor is connected with a coaxial rotating driving gear, the piston mechanism comprises a three-hole piston cylinder, a rubber piston, a piston sleeve, a connecting rod and a driven gear meshed with the driving gear, the piston sleeve is inserted in the three-hole piston cylinder and sleeved on the rubber piston, a movable cavity arranged corresponding to the rubber piston is arranged in the three-hole piston cylinder, one end of the connecting rod is detachably connected with the rubber piston, the other end of the connecting rod is movably connected with the driven gear, the piston sleeve comprises a first cylinder, the outer periphery of one side of the first cylinder opposite to a pull rod extends outwards to form a circle of a first baffle butted on one side of the three-hole piston cylinder opposite to the pull rod, and the inner circle of the first baffle extends to the inside of the first cylinder, the rubber piston comprises a second cylinder, the periphery of one side of the second cylinder opposite to the pull rod is inwards concave to form a circle of avoiding gap for avoiding the inner wall of the first baffle, the periphery of one side of the second cylinder opposite to the pull rod is outwards extended to form a circle of second baffle butted on one side of the first cylinder opposite to the pull rod, one side of the second baffle opposite to the first cylinder is butted on the inner wall of the movable cavity, one side of the second baffle opposite to the inner wall of the movable cavity forms a circle of groove, the inner wall of the movable cavity forms a circle of clamping block matched with the groove, thus, the motor drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the piston silica gel sleeve to reciprocate towards the direction of the movable cavity of the three-hole piston cylinder in the piston sleeve through the connecting rod, the water pump has the advantages that the conical inner wall structure of the movable cavity can extrude water flow, the impulsive force of the water jet is enhanced, the second baffle forms a circle of groove at one side opposite to the inner wall of the movable cavity, a circle of clamping block matched with the groove is formed on the inner wall of the movable cavity, and the clamping block is buckled in the groove, so that the double-layer sealing waterproof effect is formed, the water pump can effectively prevent the water leakage problem of the water pump of the tooth flushing device, the problem that the water pump of the existing tooth flushing device works is effectively solved, the movable rod drives the piston to reciprocate in the cavity, high-speed friction can be generated between the piston and the cavity shell, and the water pump of the tooth flushing device is easy to leak after the water pump works for a long time.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (6)

1. A water pump of a tooth flushing device is characterized by comprising an upper cover and a lower cover which are detachably buckled together to form a shell, a motor and a piston mechanism driven by the motor are arranged in the shell, the rotating shaft of the motor is connected with a driving gear which coaxially rotates, the piston mechanism comprises a three-hole piston cylinder, a rubber piston, a piston sleeve, a connecting rod and a driven gear which is meshed and connected with the driving gear, the piston sleeve is inserted in the three-hole piston cylinder and sleeved on the rubber piston, a movable cavity which is arranged corresponding to the rubber piston is arranged in the three-hole piston cylinder, one end of the connecting rod is detachably connected with the rubber piston, the other end of the connecting rod is movably connected with the driven gear, the piston sleeve comprises a first cylinder, the outer periphery of one side of the first cylinder opposite to the pull rod extends outwards to form a circle of first baffle plate which is abutted against one side of the three-hole piston cylinder opposite to the pull rod, the inner ring of the first baffle plate extends into the first cylinder, the rubber piston comprises a second cylinder, the outer periphery of one side of the second cylinder opposite to the pull rod is recessed inwards to form a circle of avoiding gaps for avoiding the inner wall of the first baffle plate, a circle of second baffle plate which is butted at one side of the first cylinder opposite to the pull rod is outwards extended from the outer periphery of one side of the second cylinder opposite to the pull rod, one side of the second baffle plate, which is opposite to the first cylinder, is abutted against the inner wall of the movable cavity, one side of the second baffle opposite to the inner wall of the movable cavity is provided with a circle of grooves, and the inner wall of the movable cavity is provided with a circle of clamping blocks matched with the grooves.

2. The water pump as claimed in claim 1, wherein the three-hole piston cylinder further comprises a pumping chamber communicating with the movable chamber, the bottom of the three-hole piston cylinder further comprises a water inlet communicating with the pumping chamber, the water inlet is provided with a water inlet pipe, the side of the three-hole piston cylinder away from the pull rod is provided with a water outlet communicating with the pumping chamber, and the water outlet is provided with a water outlet pipe.

3. The water pump of the water toothpick according to claim 1, wherein a ring of sealing ring with a triangular cross section is disposed at a bottom of a side of the first baffle opposite to the three-hole piston cylinder, and a ring of sealing gap adapted to the sealing ring is disposed at a bottom of a side wall of the three-hole piston cylinder.

4. The water pump of claim 1, wherein a first snap ring and a second snap ring spaced from the first snap ring are disposed at an end of the pull rod opposite to the rubber piston, a slot is formed between the first snap ring and the second snap ring, a snap limiting groove adapted to the first snap ring and the slot is disposed at an opposite side of the rubber piston to the pull rod, the first snap ring can be snapped into the snap limiting groove, and the second snap ring abuts against the snap limiting groove, so that the pull rod and the rubber piston can be detachably engaged together.

5. The water pump according to claim 1, wherein said movable chamber is a tapered movable chamber.

6. The water pump according to claim 1, wherein the rubber piston is made of plastic.

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