CN215170659U

CN215170659U - Miniature diaphragm water pump of filtration edulcoration

Info

Publication number: CN215170659U
Application number: CN202120937899.5U
Authority: CN
Inventors: 熊颖申; 雷立强; 周武
Original assignee: Shenzhen Cnht Ltd
Current assignee: Shenzhen Cnht Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-14
Anticipated expiration: 2031-04-30

Abstract

The utility model discloses a miniature diaphragm water pump for filtering and removing impurities, which comprises a pump body, a liquid inlet valve, a liquid outlet valve and a driving part, wherein the pump body is provided with a liquid inlet channel, a liquid outlet channel, a hollow cavity and a diaphragm, the liquid inlet valve is used for blocking the liquid of the liquid outlet channel from being discharged to the outside, and the liquid outlet valve is used for blocking the liquid of the liquid inlet channel from flowing back to the inside; still be provided with the valve support on the pump body, inlet channel and liquid outlet channel all pass through valve support and cavity connection, still be provided with between valve support and the inlet channel and filter the piece, filter the piece and be used for filtering the water that gets into in the cavity. The liquid reserved in the liquid inlet channel is filtered through the filtering piece, so that the larger impurities in the liquid entering the hollow cavity are removed under the condition of ensuring the liquid inlet flow speed, and too much flow passage space is not occupied. The long-term service efficiency of the diaphragm water pump is improved, and the water leakage phenomenon caused by impurity blockage is avoided.

Description

Miniature diaphragm water pump of filtration edulcoration

Technical Field

The utility model relates to a diaphragm pump, especially a miniature diaphragm pump of filtration edulcoration.

Background

The miniature diaphragm water pump is a power structure widely applied to household appliances, such as floor mopping product machines and the like commonly used in daily life, and has the advantages of small size, excellent performance, low cost, simplicity in control and the like.

At present, the miniature diaphragm water pump in the market basically meets the functional requirements, but has some defects, for example, when a terminal arranged on a sweeper is dragged on a floor, the water leakage phenomenon of the sweeper is often found, so that when the sweeper is stopped, water in a water tank can soak the floor, and the floor can be damaged in serious cases. The reason is that the impurities are brought into a pipeline of the water pump by the water inlet at the inlet of the machine, the impurities have large and small sizes, and tiny impurity particles are easy to flow away with water, but the granularity is increased, so that the impurity particles are difficult to flow away with the water, the impurity particles which cannot flow away are increased and filled at the outlet of the one-way valve, so that the water stopping function of the one-way valve is invalid, and when the whole machine is stopped, the water seeps out under the action of gravity or flows out, so that the water leakage phenomenon of the machine is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a set up in diaphragm pump's inlet channel department and filter the piece, filter the miniature diaphragm pump of edulcoration in order to guarantee the check valve performance to the rivers that get into pump body passageway.

The utility model provides a technical scheme that its technical problem adopted is: a micro diaphragm water pump for filtering and removing impurities comprises a pump body, a liquid inlet valve, a liquid outlet valve and a driving part, wherein a liquid inlet channel, a liquid outlet channel, a hollow cavity and a diaphragm are arranged on the pump body;

still be provided with the valve support on the pump body, inlet channel and liquid outlet channel all pass through valve support and cavity connection, still be provided with between valve support and the inlet channel and filter the piece, filter the piece and be used for filtering the water that gets into in the cavity.

As the improvement of the technical scheme, the filtering piece is a filter screen, the liquid inlet channel and the liquid outlet channel are both arranged on the connector, the middle part of the valve support is provided with an annular side wall, the annular side wall and the annular bulge at the bottom of the connector form a liquid outlet cavity, and the filter screen is sleeved on the annular side wall between the connector and the valve support and is fixed through the buckling between the connector and the valve support.

As a further improvement of the technical scheme, the liquid outlet channel is arranged at the center of the connector and corresponds to the liquid outlet cavity, the liquid inlet channel is arranged at the side edge of the connector, a large umbrella valve is further arranged between the liquid outlet channel and the top of the valve support, and the liquid outlet valve is formed in the middle of the valve support and a liquid outlet hole in the middle of the valve support.

As a further improvement of the technical scheme, the side of the valve bracket is also provided with a liquid inlet hole, the bottom of the liquid inlet valve hole is also provided with a small umbrella valve, and the small umbrella valve and the liquid inlet hole form a liquid inlet valve.

As a further improvement of the technical scheme, the liquid inlet holes are divided into three groups at the side edge of the valve bracket, the number of the small umbrella valves is three, and the three small umbrella valves are respectively arranged at the bottoms of the three groups of the liquid inlet holes.

As a further improvement of the above technical solution, a diaphragm support is further disposed at the bottom of the valve support, the diaphragm is disposed on the diaphragm support, and the valve support and the diaphragm are hermetically disposed.

As a further improvement of the above technical solution, the driving part includes a base, a driving motor and a crank connecting rod structure, the driving motor is disposed on the base, the crank connecting rod is fixedly connected to the diaphragm at the bottom of the diaphragm support, and the driving motor drives the diaphragm through the driving crank connecting rod.

As a further improvement of the technical scheme, the crank connecting rod structure comprises a crank connected with the motor shaft, a connecting shaft and a connecting rod, and the crank is connected with the middle part of the connecting rod through the connecting shaft.

As a further improvement of the above technical solution, the diaphragm support is provided with three diaphragm grooves, the diaphragm extends three telescopic positions at positions corresponding to the three diaphragm grooves, and the three telescopic positions are connected with three extending points on the connecting rod in different directions.

The beneficial effects are that: the utility model discloses a diaphragm pump has set up the filtration piece in the junction of inlet channel and cavity, filters the liquid of reserving in the inlet channel through filtering the piece, has removed the great impurity that gets into in the cavity in the condition of guaranteeing the feed liquor velocity of flow, and has not taken too many runner space. The long-term service efficiency of the diaphragm water pump is improved, and the water leakage phenomenon caused by impurity blockage is avoided.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a schematic view of the assembly of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic diagram of the explosion structure of the present invention;

FIG. 4 is a schematic view of the valve seat structure of the present invention;

fig. 5 is a schematic view of the connector of the present invention.

1. A drive member; 11. a base; 12. a drive motor; 13. a crank; 14. a connecting shaft; 15. a connecting rod; 2. a connector; 21. a liquid inlet channel; 22. a liquid outlet channel; 3. a valve holder; 31. a liquid inlet hole; 32. a liquid outlet hole; 4. a filter screen; 5. a large umbrella valve; 6. a small umbrella valve; 7. a membrane support; 8. a membrane sheet.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1, a miniature diaphragm water pump of filtration edulcoration, including the pump body, feed liquor valve, play liquid valve and driver part 1, be provided with inlet channel 21, liquid outlet channel 22, cavity and diaphragm 8 on the pump body, the feed liquor valve is connected between inlet channel 21 and middle cavity for block liquid outlet channel 22's liquid to outside discharge, it connects between liquid outlet channel 22 and middle cavity to go out the liquid valve, is used for blockking liquid inlet channel 21's liquid to inside backward flow, and the circulating valve of diaphragm water pump has been realized with setting up of going out the liquid valve to the feed liquor valve. The face of the connector 2 connected to the valve support 3 is the bottom, otherwise the top, the face of the valve support 3 connected to the connector 2 is the top, otherwise the bottom, the face of the diaphragm support 7 connected to the valve support 3 is the top, otherwise the bottom.

Referring to fig. 2, 4, the connector 2 is arranged at the top end of the diaphragm water pump, and is mainly used for arranging a liquid outlet channel 22 and a liquid inlet channel 21 which are connected with other equipment, and the periphery of the connector 2 is arranged in a sealing manner. Liquid inlet channel 21 and liquid outlet channel 22 all set up on connector 2, and are located connector 2's the outside, valve support 3 middle part is provided with annular side wall, annular side wall forms out the liquid cavity with the annular arch of connector 2 bottom, and annular side wall mainly is used for separately going out liquid cavity and feed liquor chamber, and the annular arch middle part of connector 2 bottom still is equipped with annular groove, and annular groove joint has guaranteed the stability and the leakproofness that go out the liquid cavity and connect at the tip of annular side wall.

Still be provided with valve bracket 3 on the pump body, inlet channel 21 and liquid outlet channel 22 are all connected with the cavity through valve bracket 3, still be provided with between valve bracket 3 and the inlet channel 21 and filter the piece, it is used for filtering the water that gets into in the cavity to filter the piece. Filter and be filter screen 4, filter screen 4 cup joints on connector 2 and valve support 3 between the annular side wall to fix through the lock between connector 2 and the valve support 3, the bottom of annular side wall be provided with the arch of 3 side parallel and level of valve support, the side of valve support 3 also is provided with the arch, and the bellied centre be provided with the recess of 2 edge joints of connector, the protruding support to filter screen 4 that has still been formed with the protruding cooperation in side of annular side wall bottom and valve support 3. The arrangement position and the arrangement mode of the filter screen 4 save the use of parts and also save the occupation of space in the pump. The filter screen 4 is arranged between the valve support 3 and the liquid inlet channel 21, so that liquid entering the pump is filtered, larger impurities in the liquid entering the hollow cavity are removed under the condition of ensuring the liquid inlet flow rate, and too much flow channel space is not occupied. The long-term service efficiency of the diaphragm water pump is improved, and the water leakage phenomenon caused by impurity blockage is avoided.

Referring to fig. 2 and 3, the liquid outlet channel 22 is arranged at the center of the connector 2 and corresponds to the liquid outlet cavity, the liquid inlet channel 21 is arranged at the side of the connector 2, a large umbrella valve 5 is further arranged between the liquid outlet channel 22 and the top of the valve support 3, and the liquid outlet valve is formed by the large umbrella valve 5 and the liquid outlet hole 32 in the middle of the valve support 3. The side of valve bracket 3 still sets up feed liquor hole 31, feed liquor valve hole bottom still is provided with little umbrella valve 6, and little umbrella valve 6 forms the feed liquor valve with feed liquor hole 31. The liquid inlet holes 31 are divided into three groups at the side edge of the valve bracket 3, the small umbrella valves 6 are three, and the three small umbrella valves 6 are respectively arranged at the bottoms of the three groups of liquid inlet holes 31. The working process of the liquid inlet valve and the liquid outlet valve is as follows: when liquid enters from the liquid inlet channel 21, the liquid flows into the liquid inlet space on the side periphery of the valve bracket 3 through the liquid inlet channel 21, and meanwhile, the liquid passes through the filter screen 4 for filtering. At this time, the small umbrella valve 6 at the bottom of the valve support 3 is opened, and the liquid enters the middle cavity through the liquid inlet hole 31 on the valve support 3. After the middle cavity is filled with water, the big umbrella valve 5 in the middle of the valve bracket 3 is pushed open, and the liquid flows into the liquid outlet channel 22 through the liquid outlet hole 32 on the valve bracket 3.

The bottom of the valve support 3 is further provided with a diaphragm support 7, the diaphragm 8 is arranged on the diaphragm support 7, and the valve support 3 and the diaphragm 8 are arranged in a sealing mode. The diaphragm support 7 is provided with three diaphragm grooves, the diaphragm 8 extends three extension positions at positions corresponding to the three diaphragm grooves, and the three extension positions are connected with three extension points on the connecting rod 15 in different directions. The driving part 1 comprises a base 11, a driving motor 12 and a crank 13 and connecting rod 15 structure, wherein the driving motor 12 is arranged on the base 11, the crank 13 and connecting rod 15 is fixedly connected with the diaphragm 8 at the bottom of the diaphragm support 7, and the driving motor 12 drives the diaphragm 8 through the driving crank 13 and connecting rod 15. The crank 13 and connecting rod 15 structure comprises a crank 13 connected with the motor shaft, a connecting shaft 14 and a connecting rod 15, and the crank 13 is connected with the middle part of the connecting rod 15 through the connecting shaft 14. The arrangement of the structure of the crank 13 and the connecting rod 15 can form a left-right swinging route by matching with the motor, when the crank 13 drives the connecting shaft 14 to turn to the right side, the connecting rod 15 wants to incline at the right side, the diaphragm tank at the right side is stretched, the diaphragm tank at the left side is pushed and pressed, and the space in the middle cavity is changed, so that power for lifting and opening the liquid inlet valve and the liquid outlet valve is provided.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a miniature diaphragm pump of filtration edulcoration which characterized in that: the liquid-saving pump comprises a pump body, a liquid inlet valve, a liquid outlet valve and a driving part, wherein a liquid inlet channel, a liquid outlet channel, a hollow cavity and a diaphragm are arranged on the pump body, the liquid inlet valve is connected between the liquid inlet channel and the middle cavity and used for blocking liquid in the liquid outlet channel from being discharged to the outside, and the liquid outlet valve is connected between the liquid outlet channel and the middle cavity and used for blocking liquid in the liquid inlet channel from flowing back to the inside;

2. The micro diaphragm water pump for filtering and removing impurities of claim 1, wherein: the filter piece is a filter screen, the liquid inlet channel and the liquid outlet channel are both arranged on the connector, the middle part of the valve support is provided with an annular side wall, the annular side wall and the annular bulge at the bottom of the connector form a liquid outlet cavity, and the filter screen is sleeved on the annular side wall between the connector and the valve support and is fixed through the lock between the connector and the valve support.

3. The micro diaphragm water pump for filtering and removing impurities of the water pump according to claim 2, wherein: the liquid outlet channel is arranged at the center of the connector and corresponds to the liquid outlet cavity, the liquid inlet channel is arranged on the side edge of the connector, a large umbrella valve is further arranged between the liquid outlet channel and the top of the valve support, and the liquid outlet hole of the large umbrella valve in the middle of the valve support and the liquid outlet hole in the middle of the valve support forms a liquid outlet valve.

4. The micro diaphragm water pump for filtering and removing impurities of the water pump according to claim 2, wherein: the side of the valve support is also provided with a liquid inlet hole, the bottom of the liquid inlet valve hole is also provided with a small umbrella valve, and the small umbrella valve and the liquid inlet hole form a liquid inlet valve.

5. The micro diaphragm water pump for filtering and removing impurities of claim 4, wherein: the liquid inlet holes are divided into three groups at the side edge of the valve bracket, the small umbrella valves are three, and the three small umbrella valves are respectively arranged at the bottoms of the three groups of liquid inlet holes.

6. The micro diaphragm water pump for filtering and removing impurities of claim 1, wherein: the bottom of the valve support is also provided with a diaphragm support, the diaphragm is arranged on the diaphragm support, and the valve support and the diaphragm are arranged in a sealing manner.

7. The micro diaphragm water pump for filtering and removing impurities of claim 6, wherein: the driving part comprises a base, a driving motor and a crank connecting rod structure, the driving motor is arranged on the base, the crank connecting rod is fixedly connected with the diaphragm at the bottom of the diaphragm support, and the driving motor drives the diaphragm through the driving crank connecting rod.

8. The micro diaphragm water pump for filtering and removing impurities of claim 7, wherein: the crank connecting rod structure comprises a crank, a connecting shaft and a connecting rod, wherein the crank is connected with the motor shaft, and the crank is connected with the middle of the connecting rod through the connecting shaft.

9. The micro diaphragm water pump for filtering and removing impurities of claim 8, wherein: the diaphragm support is provided with three diaphragm grooves, three telescopic positions of the diaphragm extend out of the positions corresponding to the three diaphragm grooves, and the three telescopic positions are connected with three extending points in different directions on the connecting rod respectively.