CN211156403U

CN211156403U - Water-leakage-proof tooth-rinsing device

Info

Publication number: CN211156403U
Application number: CN201921715643.9U
Authority: CN
Inventors: 徐幼君
Original assignee: Ningbo Dongte Electric Appliances Co ltd
Current assignee: Ningbo Dongte Electric Appliances Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-04
Anticipated expiration: 2029-10-14

Abstract

The utility model relates to a leak protection water-washed tooth ware, including the fuselage, locate the nozzle on the fuselage, carry the pump of nozzle with the fluid and move the subassembly, provide the water inlet of intaking, set up the pump chamber of intercommunication nozzle in the fuselage, the pump moves the subassembly and will pass through the pump chamber through the fluid that reciprocating motion got into from the water inlet and carry to the nozzle blowout, and the rear of pump chamber sets up the sealed chamber that prevents water entering fuselage, and the sealed chamber passes through the sealed connection pump of elastic diaphragm and moves the subassembly. The utility model discloses a structural improvement can avoid the emergence of the condition of leaking.

Description

Water-leakage-proof tooth-rinsing device

Technical Field

The utility model relates to a tooth flushing device.

Background

The water flushing device generally pumps water from the water tank through a water pump and then compresses the water to spray the water from a nozzle. The water pump generally adopts the piston, establishes the sealing washer between piston and the pump chamber and is used for avoiding all water to reveal in the pump chamber. However, after long-term use and wear, the performance of the sealing ring is reduced, and water leakage occurs, which may cause damage to the electronic module in the body, and the like.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides a leakage-proof water tooth-rinsing device which can effectively avoid water leakage even after long-time use.

The utility model discloses a following technical scheme realizes:

the utility model provides a leak protection water-washed tooth ware, includes the fuselage, locate the nozzle on the fuselage, carry the pump of nozzle with fluid and move the subassembly, provide the water inlet of intaking, set up the pump chamber of intercommunication nozzle in the fuselage, the pump moves the subassembly and will pass through the pump chamber from the fluid of water inlet entering and carry to the nozzle blowout through reciprocating motion, the rear of pump chamber sets up the sealed chamber that prevents water entering fuselage, sealed chamber passes through elastic diaphragm sealing connection pump and moves the subassembly.

Preferably, a seal groove used for arranging a seal ring is formed in the pump moving assembly in an annular mode, the seal groove is communicated with a fluid channel, the seal groove is movably provided with the seal ring, when the pump moving assembly compresses the pump cavity forwards, the seal ring moves to a state that the fluid channel is closed by the seal ring, the pump moving assembly is connected with the pump cavity in a sealing mode, when the pump moving assembly stretches the pump cavity backwards, the seal ring moves to a state that the fluid channel is opened, and the seal cavity is communicated with the pump cavity.

Preferably, the fluid passage is axially arranged and arranged on the bottom surface of the sealing groove, the axial rear end face of the fluid passage is flush with the axial rear end face of the sealing groove or is positioned in front of the axial rear end face of the sealing groove, the axial front end face of the fluid passage is positioned in front of the axial front end face of the sealing groove, when the pumping assembly compresses the pump cavity forwards, the sealing ring moves to the axial rear end of the sealing groove, the fluid passage is closed by the sealing ring, when the pumping assembly stretches the pump cavity backwards, the sealing ring moves to the axial front end of the sealing groove, and the fluid passage is communicated with the pump cavity and the sealing cavity.

Preferably, the sealed cavity is communicated with the water inlet, and the water inlet is connected with the water tank.

Preferably, the pump cavity is communicated with the water inlet, and the water inlet is connected with the water tank.

Preferably, the fluid channel is provided with one or more than one.

Preferably, the cross section of the seal ring is circular or elliptical.

Preferably, the cross section of the seal ring is Y-shaped or X-shaped.

Preferably, two seal rings are provided in parallel.

Preferably, the pumping assembly comprises a piston arranged in the pump cavity and a piston rod connected with the piston, the piston rod is connected with the motor through a transmission assembly, the elastic membrane is connected with the piston rod in a sealing mode, and the surface of the elastic membrane is wavy.

The utility model discloses set up sealed chamber again at the rear of pump chamber, sealed chamber carries out sealing connection through elastic diaphragm and pump-driven component, and sealed chamber sealing connection pump-driven component can prevent water entering fuselage in. Due to the elastic property of the elastic diaphragm, the elastic diaphragm can not be lost in the reciprocating motion process of the pumping assembly, and the sealing property can be kept for a long time. The sealing ring between the piston and the pump cavity is arranged to be movable, namely when the pump moving assembly compresses the pump cavity to spray liquid forwards, at the moment, the sealing ring is arranged at the axial rear end of the sealing groove, the sealing performance of the sealing ring is realized, a fluid channel communicated with the sealing groove is blocked by the sealing ring, and the pump moving assembly is connected with the pump cavity in a sealing manner, so that the pump cavity is conveniently compressed to spray liquid. When the pump moves the subassembly and draws liquid to the tensile pump chamber of back, the sealing washer is located the axial front end of seal groove, and the fluid passage who communicates with the seal groove is opened, and the sealing washer can't realize sealed function, leaves the clearance between pump moves the subassembly and the pump chamber, communicates between pump chamber and the seal chamber, can carry out the liquid flow, and water in the seal chamber can get into the pump chamber. The water inlet is arranged at one side of the sealed cavity, namely, the liquid in the water tank enters the pump cavity through the sealed cavity. In the process of injecting liquid into the compression pump cavity, the space of the sealing cavity is stretched, liquid enters the sealing cavity from the water inlet, when the pump cavity is stretched, the sealing cavity is communicated with the pump cavity, and the liquid in the sealing cavity enters the pump cavity to supply water to the pump cavity, so that the reciprocating motion is realized. Because of the elastic property of the elastic diaphragm, one end of the elastic diaphragm, which is connected with the pump moving assembly, synchronously moves along with the pump moving assembly, and the other end of the elastic diaphragm is fixed on the wall of the sealed cavity, so that the abrasion phenomenon can not occur. The water leakage phenomenon can be avoided.

The beneficial effects of the utility model reside in that: the utility model discloses a structural improvement can avoid the emergence of the condition of leaking.

Drawings

Fig. 1 is a schematic sectional structure diagram of the first embodiment.

Fig. 2 is a schematic sectional structure diagram of the second embodiment.

Fig. 3 is a schematic structural view of the piston according to the second embodiment.

FIG. 4 is a schematic sectional view showing the third embodiment.

Fig. 5 is a schematic sectional view of the seal ring.

Fig. 6 is a schematic sectional view of the seal ring.

Detailed Description

The following provides a more detailed description of the present invention with reference to the accompanying drawings and detailed description.

The first embodiment is as follows: as shown in fig. 1, the leakage-proof water tooth-rinsing device comprises a body 14, a nozzle 1 arranged on the body, a pumping assembly 7 for conveying fluid to the nozzle, and a water inlet 12 for supplying water, wherein a pump cavity 2 communicated with the nozzle is arranged in the body, and the pumping assembly conveys the fluid entering from the water inlet to the nozzle 1 through the pump cavity 2 by reciprocating motion and ejects the fluid. Still set up the sealed chamber 4 that prevents water entering fuselage in the rear of pump chamber, sealed chamber 4 is that the pump chamber all the rear end outwards extends the setting and forms, and the internal diameter of sealed chamber 4 is greater than pump chamber 2 promptly, sets up the pump in the pump chamber and moves the subassembly, sets up sealing washer 8 between pump moves subassembly 7 and the pump chamber 2, and sealed chamber passes through elastic diaphragm 5 sealing connection pump and moves the subassembly. The surface of elastic diaphragm 5 sets up to the wavy, and elastic diaphragm 5's one end sealing connection pump moves subassembly 7, and other end sealing fixed connection is on sealed chamber 4, and elastic diaphragm 5 surface is the wavy, and elastic diaphragm's one end is followed the pump and is moved the subassembly and carry out reciprocating motion, and the other end is fixed seal all the time on sealed chamber.

The water inlet 12 is arranged on the pump cavity 2, and the reciprocating motion of the pumping assembly realizes that the pump cavity is filled with water from the water inlet 12 and then is sprayed out from the nozzle 1. An elastic diaphragm 5 is arranged behind the pump moving assembly, and due to the elastic performance of the elastic diaphragm, the elastic diaphragm cannot be lost in the reciprocating motion process of the pump moving assembly, and the sealing performance can be kept for a long time. Even if the pump moves the subassembly back of reciprocating motion for a long time, wearing and tearing appear in sealing washer 8, liquid gets into the sealed chamber 4 at rear, blocks through elastic diaphragm 5, avoids water to get into the fuselage rear, influences the electronic components etc. that are located the rear.

Example two: as shown in fig. 2, the anti-leakage water tooth-rinsing device comprises a body 14, a nozzle 1 arranged on the body, a pumping assembly 7 for conveying fluid to the nozzle, and a water inlet 12 for supplying water, wherein a pump cavity 2 communicated with the nozzle is arranged in the body, and the pumping assembly 7 conveys the fluid entering from the water inlet to the nozzle 1 through the pump cavity 2 by reciprocating motion and ejects the fluid. Still set up the sealed chamber 4 that prevents water entering fuselage in the rear of pump chamber, sealed chamber 4 is that the pump chamber all the rear end outwards extends the setting and forms, and the internal diameter of sealed chamber 4 is greater than pump chamber 2 promptly, sets up the pump in the pump chamber and moves the subassembly, sets up sealing washer 4 between pump moves subassembly 7 and the pump chamber 2, and sealed chamber passes through elastic diaphragm 5 sealing connection pump and moves the subassembly. The surface of elastic diaphragm 5 sets up to the wave form, and elastic diaphragm 5's one end sealing connection pump moves the subassembly, and the sealed fixed connection of the other end is on sealed chamber, and the elastic diaphragm surface is the wave form, and elastic diaphragm's one end is followed the pump and is moved the subassembly and carry out reciprocating motion, and the other end is fixed seal all the time on sealed chamber.

Seal groove 10 has been seted up to the annular on the pumping subassembly, and 8 axial motion of sealing washer are located in seal groove 10, and fluid passage 11 is still seted up to the seal groove bottom axial, and fluid passage 11's axial front end extends outside seal groove 10, and fluid passage 11's axial rear end terminal surface flushes or is located the axial rear end terminal surface of seal groove promptly, and fluid passage's axial front end terminal surface is located the place ahead of the axial front end terminal surface of seal groove. When the seal ring 8 moves to the axial rear end of the seal groove 10, the seal ring 8 blocks the fluid passage 11, and when the seal ring moves to the axial front end of the seal groove, the seal ring cannot block the fluid passage because the front end of the fluid passage is located outside the seal groove. The fluid passage 11 may be provided with one or more than one. When pump moves subassembly 7 and compresses the pump chamber forward, sealing washer 8 moves the axial rear end to the seal groove, and under this state, fluid passage is closed, and sealed chamber 4 is cut off with pump chamber 2, and pump chamber and pump move subassembly sealing connection, when pump moves subassembly 7 and stretches the pump chamber backward, and sealing washer 8 moves the axial front end to the seal groove, and under this state, fluid passage is in the open mode, and sealed chamber 4 UNICOM pump chamber 2, the water entering pump intracavity in the sealed chamber 4. The sealing rings can be arranged in one or two in parallel. The shape of the seal ring 8 is also not limited to a circle or an ellipse, as shown in fig. 5 and 6, and the cross section may be Y-shaped or X-shaped. The cross section is circular or oval, and it is solid, and the sealing washer is at the removal in-process, and is more easy to wear, and cross section Y type or X type compare solid circular or oval, and the plasticity is better, reduces wearing and tearing.

The pump moves the subassembly including locating all pistons 9 in the pump chamber, connects the piston rod 6 of piston, and the piston rod passes through drive assembly and connects the motor, and elastic diaphragm can sealing connection on piston rod 6, also can sealing connection on piston 9. In the water inlet setting, the present embodiment is the same as the first embodiment, and the water inlet 12 is provided in the pump chamber 2.

The utility model discloses set up sealed chamber 4 again at the rear of pump chamber, sealed chamber 4 carries out sealing connection through elastic diaphragm 5 and pump action subassembly 7, and elastic diaphragm sealing connection pump action subassembly 7 can prevent water entering fuselage. Due to the elastic property of the elastic diaphragm, the elastic diaphragm can not be lost in the reciprocating motion process of the pumping assembly, and the sealing property can be kept for a long time. The sealing ring 8 between the piston and the pump chamber is arranged to be movable.

The working process is as follows: when the pump moves subassembly 7 and compresses pump chamber forward and spray liquid, this moment, sealing washer 8 moves backward to the axial rear end of seal groove 10, and sealing washer 8 blocks up fluid passage 11 simultaneously, and the sealing performance is realized to the sealing washer, and pump moves subassembly 7 sealing connection pump chamber 2, conveniently with pump chamber compression injection liquid. When the pump moving assembly 7 stretches the pump cavity 2 backwards, the sealing ring moves forwards to the axial front end position of the sealing groove 10, the sealing ring 8 cannot block the fluid channel 11, the sealing ring cannot realize a sealing function, a gap is reserved between the pump moving assembly and the pump cavity, the pump cavity 2 is communicated with the sealing cavity 4, liquid can flow, and water entering the sealing cavity due to leakage can return to the pump cavity 2 through the fluid channel 11. By doing so, if water leaks into the sealing cavity, the water in the sealing cavity is returned to the pump cavity during the reciprocating motion of the pumping assembly. While the provision of the elastic membrane 5 ensures the sealing properties.

Example three: as shown in fig. 4, the water inlet is arranged on the sealed cavity, and the other structure is the same as the embodiment.

When pump moves subassembly 7 and compresses pump chamber injection liquid forward, at this moment, sealing washer 8 moves backward to the axial rear end of seal groove 10, and sealing washer 8 blocks up fluid passage 11 simultaneously, and the sealing performance is realized to the sealing washer, and pump moves subassembly 7 sealing connection pump chamber 2, conveniently with pump chamber compression injection liquid, and the liquid of water inlet gets into in the seal chamber 4. When the pump moves the subassembly 7 and stretches the pump chamber backward, sealing washer 8 moves forward to the axial front position of seal groove 10, and the front end of fluid passage 11 stretches out outside seal groove 10, and sealing washer 8 can't block up the fluid passage, and the sealing washer can't realize sealed function, communicates between pump chamber 2 and the seal chamber 4, can carry out liquid flow, and the water in the seal chamber 4 gets into in pump chamber 2, supplies water to the pump chamber. The reciprocating operation is realized, water enters the sealed cavity, enters the pump cavity through the fluid channel and is sprayed out from the nozzle. Even if pump chamber water reveals to sealed intracavity, sealed chamber realizes sealed function by elastic diaphragm, because elastic diaphragm 5's elasticity performance, its and pump move subassembly connection one end and follow pump and move subassembly synchronous motion, and the other end then is fixed on sealed chamber wall, the phenomenon of wearing and tearing can not appear, can avoid the phenomenon of leaking to take place.

As in example two: the shape of the seal ring 8 is also not limited to a circle or an ellipse, as shown in fig. 5 and 6, and the cross section may be Y-shaped or X-shaped. The cross section is circular or oval, and it is solid, and the sealing washer is at the removal in-process, and is more easy to wear, and cross section Y type or X type compare solid circular or oval, and the plasticity is better, reduces wearing and tearing.

The utility model discloses a structural improvement can avoid the emergence of the condition of leaking.

Claims

1. The utility model provides a leak protection water-washed tooth ware, includes the fuselage, locates the nozzle on the fuselage, carries the pump of nozzle with fluid and moves the subassembly, provides the water inlet of intaking, sets up the pump chamber of intercommunication nozzle in the fuselage, and the pump moves the subassembly and will pass through the pump chamber from the fluid of water inlet entering and carry to the nozzle blowout, its characterized in that through reciprocating motion: a sealing cavity for preventing water from entering the machine body is arranged behind the pump cavity, and the sealing cavity is connected with the pumping assembly in a sealing mode through an elastic membrane.

2. The leak-proof water-tooth flusher according to claim 1, wherein: the pump moves the subassembly on the annular and sets up the seal groove that is used for setting up the sealing washer, the seal groove intercommunication has fluid passage, the activity sets up the sealing washer on the seal groove, when the pump moves the subassembly and compresses the pump chamber forward, the sealing washer moves to fluid passage by the sealing washer closed condition, pump moves subassembly sealing connection pump chamber, when the pump moves the subassembly and stretches the pump chamber backward, the sealing washer moves to fluid passage open condition, the seal chamber intercommunication the pump chamber.

3. The leak-proof water-tooth flusher according to claim 2, wherein: the fluid passage axial setting, and set up in the bottom surface of seal groove, fluid passage's axial rear end face flushes in the axial rear end face of seal groove or is located the place ahead of seal groove axial rear end face, fluid passage's axial front end's terminal surface is located the place ahead of seal groove axial front end face, when pump moves the subassembly and toward preceding compression pump chamber, the sealing washer moves to the axial rear end of seal groove, and fluid passage is closed to the sealing washer, and when pump moves the subassembly and draws the pump chamber backward, the sealing washer moves to the axial front end of seal groove, fluid passage intercommunication pump chamber and seal chamber.

4. A leak-proof water-tooth irrigator according to claim 2 or 3, wherein: the sealed cavity is communicated with the water inlet, and the water inlet is connected with the water tank.

5. A leak-proof water-tooth irrigator according to claim 1, 2 or 3, wherein: the pump cavity communicate the water inlet, the water inlet is connected with the water tank.

6. The leak-proof water-tooth flusher according to claim 3, wherein: the fluid channel is provided with one or more than one.

7. A leak-proof water-tooth irrigator according to claim 2 or 3, wherein: the section of the sealing ring is circular or elliptical.

8. A leak-proof water-tooth irrigator according to claim 2 or 3, wherein: the section of the sealing ring is Y-shaped or X-shaped.

9. A leak-proof water-tooth irrigator according to claim 2 or 3, wherein: two sealing rings are arranged in parallel.

10. The leak-proof water-tooth flusher according to claim 1, wherein: the pump moving assembly comprises a piston arranged in a pump cavity and a piston rod connected with the piston, the piston rod is connected with a motor through a transmission assembly, the elastic diaphragm is connected with the piston rod in a sealing mode, and the surface of the elastic diaphragm is wavy.