CN218207009U - Leak-proof motor pump - Google Patents
Leak-proof motor pump Download PDFInfo
- Publication number
- CN218207009U CN218207009U CN202222671813.6U CN202222671813U CN218207009U CN 218207009 U CN218207009 U CN 218207009U CN 202222671813 U CN202222671813 U CN 202222671813U CN 218207009 U CN218207009 U CN 218207009U
- Authority
- CN
- China
- Prior art keywords
- liquid
- liquid outlet
- hole
- liquid inlet
- membrane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model provides a leakage-proof motor pump, which is characterized in that a leakage-proof mechanism is designed between a motor pump connector and a liquid inlet and outlet upper cover, and when the motor pump runs, a pressure meson can be guided through a guide hole to break away a movable sealing gasket supported by a spring, so that the normal pumping pressure meson of the motor pump is not influenced; when the motor pump stops running, the movable sealing gasket supported by the spring is tightly attached to the second liquid outlet hole of the flow distribution disc and is matched with the upper sealing gasket to block the communication between the liquid outlet channel on the connector and the liquid outlet pipe of the upper liquid inlet and outlet cover, so that the problem that liquid can rapidly flow to the direction of the liquid outlet pipe when the liquid level of the liquid inlet pipe end and the liquid outlet pipe end have a large drop (vertical distance) or the liquid inlet pipe end has large pressure or the liquid can leak from the liquid outlet pipe of the motor pump due to gravity is solved.
Description
Technical Field
The utility model relates to a pump class equipment technical field, in particular to leak protection motor pump.
Background
In the existing motor diaphragm pump in the market, as disclosed in publication No. CN208831206U, with the patent name of "a diaphragm pump", liquid is sucked in through a liquid inlet and pumped out from the liquid outlet through a fixed seat of a one-way valve (umbrella-shaped valve) in sealing fit with a diaphragm, so as to provide pumping pressure. However, when the diaphragm pump does not work, the internal channel of the diaphragm pump is still in a communicating state, when the liquid level of the liquid inlet is higher than the liquid outlet of the diaphragm pump or the pressure is higher than the liquid outlet, along with the larger drop between the liquid level of the liquid inlet and the liquid outlet end, the liquid can flow out from the outlet of the motor pump due to gravity or pressure, the larger the vertical distance of the press machine is, the larger the probability and the larger the amount of the liquid flowing out from the outlet are, when the electric appliance is not in use, the liquid leaks into or out of the electric appliance due to the liquid in the liquid storage tank (tank) in the electric appliance, and therefore the potential safety hazard can be brought to the storage and placement area and the liquid (water) inlet of associated equipment.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a leak protection motor pump to prior art's problem, designs solitary leak protection part, solves current technical problem.
The utility model aims at realizing through the following technical scheme:
the leakproof motor pump comprises a base, a motor fixed on the lower side of the base, a crank transmission mechanism in power connection with the motor, an umbrella membrane pumping mechanism fixed on the upper side of the base, a coupler hermetically and fixedly sleeved on the upper side of the umbrella membrane pumping mechanism, and a liquid inlet and outlet upper cover hermetically and fixedly sleeved on the upper side of the coupler, wherein the crank transmission mechanism is in power connection with the umbrella membrane pumping mechanism to provide pumping pressure power;
the movable sealing pad is provided with an annular sealing boss, a first liquid outlet hole and a first liquid inlet hole, the first liquid outlet hole is over against the liquid outlet channel of the connector, and the first liquid inlet hole is over against the liquid inlet channel of the connector;
the distributing disc is provided with a sealing concave table opposite to the annular sealing boss, the center of the sealing concave table of the distributing disc is provided with a liquid outlet hole II, the distributing disc is provided with a liquid inlet hole II opposite to the liquid inlet hole I, the distributing disc is provided with a liquid outlet hole III opposite to the liquid outlet hole I, the liquid outlet hole III is communicated with the annular edge of the sealing concave table at the other side close to the movable sealing gasket and is provided with a guide hole opposite to the annular sealing boss downwards, the liquid outlet hole III is communicated with a liquid outlet channel of the coupler through the liquid outlet hole I, and the liquid outlet hole III is communicated with the liquid outlet hole II through the guide hole;
the upper sealing gasket is provided with a liquid inlet hole III which is opposite to the liquid inlet hole II, and the upper sealing gasket is provided with a liquid outlet hole IV which is opposite to the liquid outlet hole II;
the movable sealing gasket is propped against the center of the annular sealing boss through a spring and is movably arranged between the lower side surface of the diverter plate and the upper side surface of the connector, and the upper sealing gasket is pressed by the upper liquid inlet and outlet cover and clings to the upper side surface of the diverter plate;
the liquid inlet pipe of the upper liquid inlet and outlet cover is communicated with the liquid inlet channel on the coupler sequentially through the liquid inlet hole III, the liquid inlet hole II and the liquid inlet hole I which are opposite in position, and the liquid outlet pipe of the upper liquid inlet and outlet cover is communicated with the liquid outlet channel on the coupler sequentially through the liquid outlet hole IV, the liquid outlet hole II, the guide hole, the liquid outlet hole III and the liquid outlet hole I.
Further, crank drive mechanism includes crank, axle, connecting rod, the crank is fixed and is realized power connection on the motor power shaft, the connecting rod passes through axle and crank fixed connection, the connecting rod is three blade sheet structures, and the blade is provided with the connecting hole and just to umbrella membrane pumping mechanism, and the connecting rod blade is connected with umbrella membrane pumping mechanism power and is provided power.
The umbrella membrane pumping mechanism comprises a membrane, a membrane support, a small umbrella-shaped valve, a valve support, a large umbrella-shaped valve, an outer ring sealing ring and an inner ring sealing ring, wherein the membrane is of a structure with three support legs corresponding to three membrane chambers, the three support legs of the membrane are in power connection with a crank transmission mechanism, the membrane support presses the membrane to be fixed on the upper side face of the base, the small umbrella-shaped valve is movably fixed on the valve support and seals the three membrane chambers of the membrane, the valve support is fixed on the upper side face of the membrane support, an upward channel is arranged in the center of the valve support, the large umbrella-shaped valve is movably arranged in the middle of the coupler and at the lower side of the coupler to seal a central channel of the valve support, and the outer ring sealing ring and the inner ring are clamped on the upper side face of the valve support and are respectively abutted against the outer ring and the inner ring of the lower side of the coupler to be fixedly connected.
The beneficial effects of the utility model reside in that:
the leakage-proof mechanism is designed between the motor pump connector and the upper cover of the liquid inlet and outlet, when the motor pump runs, the pressure meson can be guided through the guide hole to break away the movable sealing gasket supported by the spring, and the normal pumping pressure meson of the motor pump is not influenced; when the motor pump stops operating, the movable sealing gasket supported by the spring is tightly attached to the second liquid outlet hole of the flow distribution disc, and the upper sealing gasket is matched to block the upper liquid outlet channel of the connector from being communicated with the liquid outlet pipe of the upper liquid inlet and outlet cover, so that the problem that liquid can rapidly flow to the direction of the liquid outlet pipe when the liquid level of the liquid inlet pipe end and the liquid outlet pipe end have large fall (vertical distance) or the liquid inlet pipe end has large pressure or the liquid can leak from the liquid outlet pipe of the motor pump due to gravity is solved.
Drawings
FIG. 1 is a schematic view of the anti-leakage motor pump according to the present invention;
fig. 2 is the disassembly schematic diagram of the leak-proof mechanism of the leak-proof motor pump of the utility model.
The reference numerals are illustrated below:
1 is a base, 2 is a motor, 3 is a crank transmission mechanism, 4 is an umbrella membrane pumping mechanism, 5 is a coupler, 6 is an upper cover for liquid inlet and outlet, 7 is a leakage-proof mechanism, 301 is a crank, 302 is a shaft, 303 is a connecting rod, 401 is a membrane, 402 is a membrane support, 403 is a small umbrella-shaped valve, 404 is a valve support, 405 is a large umbrella-shaped valve, 406 is an outer ring sealing ring, 407 is an inner ring sealing ring, 408 is a channel, 501 is a liquid inlet channel, 502 is a liquid outlet channel, 601 is a liquid inlet pipe, 602 is a liquid outlet pipe, 701 is a spring, 702 is a movable sealing gasket, 703 is a flow distribution disc, 704 is an upper sealing gasket, 705 is an annular sealing boss, 706 is a first liquid outlet hole, 707 is a first liquid inlet hole, 708 is a sealing concave table, 709 is a second liquid outlet hole, 710 is a second liquid outlet hole, 711 is a third liquid outlet hole, 712 is a guide hole, 713 is a third liquid inlet hole, and 714 is a fourth liquid outlet hole.
Detailed Description
Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
For the motor pump leak protection, the utility model discloses specific content is as follows.
With reference to fig. 1 and 2, an embodiment of the present invention is a leakage-proof motor pump, including a base 1, a motor 2 fixed on the lower side of the base, a crank transmission mechanism 3 connected with the power of the motor 2, an umbrella membrane pumping mechanism 4 fixed on the upper side of the base 1, a coupler 5 fixed on the upper side of the umbrella membrane pumping mechanism 4 in a sealing and fixing way, a liquid inlet and outlet upper cover 6 fixed on the upper side of the coupler 5 in a sealing and fixing way, the crank transmission mechanism 3 is connected with the power of the umbrella membrane pumping mechanism 4 to provide pumping pressure power, the umbrella membrane pumping mechanism 4 is communicated with the liquid outlet channel 502 through a liquid inlet channel 501 on the coupler 5 to pump the liquid in the liquid inlet and outlet upper cover 6, which is a basic working structure of the motor pump and belongs to a common arrangement mode in the market;
importantly, a leakage-proof mechanism 7 is also arranged between the upper liquid inlet and outlet cover 6 and the coupler 5, and the leakage-proof mechanism 7 comprises a spring 701, a movable sealing gasket 702, a flow distribution disc 703 and an upper sealing gasket 704;
the movable sealing gasket 702 is provided with an annular sealing boss 705, a first liquid outlet hole 706 and a first liquid inlet hole 707, the first liquid outlet hole 706 is over against the liquid outlet channel 502 of the coupler 5, and the first liquid inlet hole 707 is over against the liquid inlet channel 501 of the coupler 5;
the flow distribution disc 703 is provided with a sealing concave table 708 facing the annular sealing boss 705, the center of the sealing concave table 708 of the flow distribution disc 703 is provided with a liquid outlet hole II 709, the flow distribution disc 703 is provided with a liquid inlet hole II 710 facing the liquid inlet hole I707, the flow distribution disc 703 is provided with a liquid outlet hole III 711 facing the liquid outlet hole I706, the liquid outlet hole III 711 is communicated with the annular edge of the sealing concave table 708 at the other side tightly attached to the movable sealing gasket 702 and is provided with a guide hole 712 facing the annular sealing boss downwards, the liquid outlet hole III 711 is communicated with the liquid outlet channel 502 of the coupler 5 through the liquid outlet hole I707, and the liquid outlet hole III 711 is communicated with the liquid outlet hole II 709 through the guide hole 712;
the upper sealing gasket 704 is provided with a liquid inlet hole III 713 facing the position of the liquid inlet hole II 710, and the upper sealing gasket 704 is provided with a liquid outlet hole IV 714 facing the position of the liquid outlet hole II 709;
the movable sealing gasket 702 is movably arranged between the lower side surface of the diverter disc 703 and the upper side surface of the coupler 5 by abutting against the center of the annular sealing boss 705 through a spring 701, and the upper sealing gasket 704 is pressed by the liquid inlet and outlet upper cover 6 to be tightly attached to the upper side surface of the diverter disc 703;
the liquid inlet pipe 601 of the liquid inlet and outlet upper cover 6 is communicated with the liquid inlet channel 501 on the coupler 5 sequentially through the liquid inlet hole three 713, the liquid inlet hole two 710 and the liquid inlet hole one 707 which are opposite in position, and the liquid outlet pipe 602 of the liquid inlet and outlet upper cover 6 is communicated with the liquid outlet channel 502 on the coupler 5 sequentially through the liquid outlet hole four 714, the liquid outlet hole two 709, the guide hole 712, the liquid outlet hole three 711 and the liquid outlet hole one 706;
by the design, when the motor pump runs, the pressure medium can be guided by the guide hole 712 to break away the movable sealing gasket 702 lifted by the spring 701, and the normal pumping pressure medium of the motor pump is not influenced; when the motor pump stops operating, the movable sealing gasket 702 lifted by the spring 701 is tightly attached to the second liquid outlet hole 709 of the flow distribution plate 703, and the upper sealing gasket 704 is matched to block the liquid outlet channel 502 on the coupler 5 from being communicated with the liquid outlet pipe 602 of the liquid inlet and outlet upper cover 6, so that the problem of liquid leakage caused by the fact that liquid can rapidly flow to the direction of the liquid outlet pipe 602 when the liquid level at the end of the liquid inlet pipe 601 and the end of the liquid outlet pipe 602 have a large drop (vertical distance) or when the end of the liquid inlet pipe 601 has a large pressure or the liquid flows out from the liquid outlet pipe 602 of the motor pump due to gravity is solved.
More specifically, the crank transmission mechanism 3 comprises a crank 301, a shaft 302 and a connecting rod 303, the crank 301 is fixed on a power shaft of the motor 2 to realize power connection, the connecting rod 303 is fixedly connected with the crank 301 through the shaft 302, the connecting rod 303 is of a three-blade structure, a connecting hole is formed in each blade and is opposite to the umbrella membrane pumping mechanism 4, and the blades of the connecting rod 303 are in power connection with the umbrella membrane pumping mechanism 4 to provide power.
The umbrella membrane pumping mechanism 4 comprises a membrane 401, a membrane support 402, a small umbrella-shaped valve 403, a valve support 404, a large umbrella-shaped valve 405, an outer ring sealing ring 406 and an inner ring sealing ring 407, wherein the membrane 401 is of a structure with three support legs corresponding to three membrane chambers, the three support legs of the membrane 401 are in power connection with the crank transmission mechanism 3, namely the three support legs penetrate through and are fixed in three-blade connecting holes of a connecting rod 303 of the crank transmission mechanism 3;
the diaphragm support 402 presses the diaphragm 401 and is fixed on the upper side surface of the base 1, the small umbrella-shaped valve 403 is provided with three chambers which are movably fixed on the valve support 404 and seal the diaphragm 401, the valve support 404 is fixed on the upper side surface of the diaphragm support 402, the center of the valve support 404 is provided with an upward channel 408, the large umbrella-shaped valve 405 is movably arranged in the middle of the coupler 5, the lower side of the large umbrella-shaped valve seals the central channel 408 of the valve support 404, the upper side surface of the valve support 404 clamps the outer ring sealing ring 406, and the inner ring sealing ring 407 respectively props against the outer ring and the inner ring on the lower side of the coupler 5 to be fixedly connected.
Specifically, the motor 2 starts to rotate after being connected with a rated voltage and applies a torsion force to the crank 301, the crank 301 rotates along with the motor 2 and transmits kinetic energy to the diaphragm 401 on the connecting rod 303 through the shaft 302 arranged in an inclined hole in the crank, the diaphragm 401 moves up and down, when each independent chamber of the diaphragm 401 moves downwards, the large umbrella-shaped valve 405 is closed, at the moment, the chamber forms negative pressure, the corresponding small umbrella-shaped valve 403 is opened, liquid is sucked into each chamber of the diaphragm 401 through the designed flow channel under the action of atmospheric pressure and the liquid inlet pipe 601 of the liquid inlet and outlet upper cover 6, and the action of sucking the liquid is completed;
when each independent chamber of the diaphragm 401 moves upwards, the corresponding small umbrella valve 403 is closed, at this time, the pressure of the chamber is greater than the atmospheric pressure, and the large umbrella valve 405 is opened, and the liquid pumps the pressure medium through the central upward channel 408 of the designed valve support 404 under the pressure through the liquid outlet channel 502 of the coupler 5.
The above description is for illustrative purposes only and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. that do not depart from the spirit and principles of the present invention should be construed as within the scope of the present invention.
Claims (3)
1. Leak protection motor pump, including the base, fix the motor in the base downside, the crank drive mechanism who is connected with motor power fixes the umbrella membrane pumping mechanism at the base upside, and sealed fixed suit is at the coupler of umbrella membrane pumping mechanism upside, and sealed fixed suit is at the business turn over liquid upper cover of coupler upside, crank drive mechanism and umbrella membrane pumping mechanism power connection provide pumping pressure power, umbrella membrane pumping mechanism passes through inlet channel and the liquid outlet channel UNICOM business turn over liquid upper cover pumping liquid on the coupler, its characterized in that: a leakage-proof mechanism is also arranged between the upper liquid inlet and outlet cover and the connector, and comprises a spring, a movable sealing gasket, a flow distribution disc and an upper sealing gasket;
the movable sealing pad is provided with an annular sealing boss, a first liquid outlet hole and a first liquid inlet hole, the first liquid outlet hole is over against the liquid outlet channel of the connector, and the first liquid inlet hole is over against the liquid inlet channel of the connector;
the flow distribution disc is provided with a sealing concave table facing the annular sealing boss, the center of the sealing concave table of the flow distribution disc is provided with a liquid outlet hole II, the flow distribution disc is provided with a liquid inlet hole II facing the liquid inlet hole I, the flow distribution disc is provided with a liquid outlet hole III facing the liquid outlet hole I, the liquid outlet hole III is communicated with the annular edge of the sealing concave table at the other side close to the movable sealing gasket and is provided with a guide hole facing downwards to the annular sealing boss, the liquid outlet hole III is communicated with a liquid outlet channel of the coupler through the liquid outlet hole I, and the liquid outlet hole III is communicated with the liquid outlet hole II through the guide hole;
the upper sealing gasket is provided with a liquid inlet hole III which is opposite to the liquid inlet hole II, and the upper sealing gasket is provided with a liquid outlet hole IV which is opposite to the liquid outlet hole II;
the movable sealing gasket is propped against the center of the annular sealing boss through a spring and is movably arranged between the lower side surface of the flow distribution disc and the upper side surface of the connector, and the upper sealing gasket is pressed by the upper liquid inlet and outlet cover and is tightly attached to the upper side surface of the flow distribution disc;
the liquid inlet pipe of the upper liquid inlet and outlet cover is communicated with the liquid inlet channel on the connector through a third liquid inlet hole, a second liquid inlet hole and a first liquid inlet hole which are opposite in position, and the liquid outlet pipe of the upper liquid inlet and outlet cover is communicated with the liquid outlet channel on the connector through a fourth liquid outlet hole, a second liquid outlet hole, a guide hole, a third liquid outlet hole and a first liquid outlet hole.
2. The leak-proof motor pump as defined in claim 1, wherein: crank drive mechanism includes crank, axle, connecting rod, the crank is fixed and is realized power connection on the motor power shaft, the connecting rod passes through axle and crank fixed connection, the connecting rod is three blade sheet structures, and the blade is provided with the connecting hole and just to umbrella membrane pumping mechanism, and the connecting rod blade is connected with umbrella membrane pumping mechanism power and is provided power.
3. The leak-proof motor pump as defined in claim 1, wherein: the umbrella membrane pumping mechanism comprises a membrane, a membrane support, a small umbrella-shaped valve, a valve support, a large umbrella-shaped valve, an outer ring sealing ring and an inner ring sealing ring, wherein the membrane is of a structure with three corresponding membrane chambers, the three support legs of the membrane are in power connection with a crank transmission mechanism, the membrane support presses the membrane to be fixed on the upper side of the base, the small umbrella-shaped valve is movably fixed on the valve support and seals the three membrane chambers of the membrane, the valve support is fixed on the upper side of the membrane support, an upward channel is arranged in the center of the valve support, the large umbrella-shaped valve is movably arranged in the middle of the coupler and at the lower side of the coupler to seal a central channel of the valve support, and the outer ring sealing ring and the inner ring are clamped on the upper side of the valve support and are respectively abutted against the lower outer ring and the inner ring of the coupler to be fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222671813.6U CN218207009U (en) | 2022-10-11 | 2022-10-11 | Leak-proof motor pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222671813.6U CN218207009U (en) | 2022-10-11 | 2022-10-11 | Leak-proof motor pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218207009U true CN218207009U (en) | 2023-01-03 |
Family
ID=84640908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222671813.6U Active CN218207009U (en) | 2022-10-11 | 2022-10-11 | Leak-proof motor pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218207009U (en) |
-
2022
- 2022-10-11 CN CN202222671813.6U patent/CN218207009U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200999749Y (en) | Water pump blade wheel sealing device | |
| CN218207009U (en) | Leak-proof motor pump | |
| CN102599822B (en) | Safety valve of coffee maker | |
| CN218207008U (en) | Forward leakage-proof motor pump | |
| CN214787918U (en) | Non-return pump | |
| CN109899273B (en) | Diaphragm water pump with leak-stopping effect | |
| CN111794976B (en) | Flange type coupling structure of submersible sewage pump | |
| CN212656958U (en) | Seal assembly with bidirectional non-return function and diaphragm pump | |
| CN210290083U (en) | Diaphragm water pump with leak-stopping effect | |
| CN210343529U (en) | Novel oil feeding system | |
| CN216278385U (en) | Water stop diaphragm pump | |
| CN211230828U (en) | Single-shaft anti-oil-return vacuum pump | |
| CN217815173U (en) | Air inlet valve for high-negative-pressure micro diaphragm pump | |
| CN215860752U (en) | Heating water supply device | |
| CN201236828Y (en) | Novel water diversion device of water pump | |
| CN218942883U (en) | Electric water boiling bottle | |
| CN217898253U (en) | Water pump with two-way sealing device | |
| CN219827806U (en) | Three-way valve with flow restrictor | |
| CN214787919U (en) | Foam pump with non-return function | |
| CN215861844U (en) | Vacuum diaphragm valve | |
| CN219672865U (en) | Self-priming pump | |
| CN215170793U (en) | Horizontal middle-opened fire pump | |
| CN220396036U (en) | Impeller pump with unidirectional water flow structure | |
| CN217813838U (en) | Umbrella-shaped one-way valve for micro diaphragm pump | |
| CN110748486A (en) | Single-shaft anti-oil-return vacuum pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |