CN219061953U - Miniature anti-siphon diaphragm pump - Google Patents
Miniature anti-siphon diaphragm pump Download PDFInfo
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- CN219061953U CN219061953U CN202223199046.XU CN202223199046U CN219061953U CN 219061953 U CN219061953 U CN 219061953U CN 202223199046 U CN202223199046 U CN 202223199046U CN 219061953 U CN219061953 U CN 219061953U
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Abstract
The utility model provides a miniature anti-siphon diaphragm pump which comprises a pump nozzle, a motor component, an eccentric wheel structure, a piston frame, a piston, a valve frame, a bevel block and a back-locking valve structure, wherein the motor component is used for driving the eccentric wheel component to extrude a rubber cup of the piston to pump, the valve frame is arranged above the piston frame, a water inlet cavity and a water outlet cavity are arranged on the valve frame, a water inlet and a water outlet are arranged on the pump nozzle, the water inlet cavity and the water outlet cavity penetrate through the valve frame and are communicated with a rubber cup cavity of the piston, the bevel block is arranged on the valve frame at the water inlet cavity, a one-way valve cavity is arranged on the inner surface of the pump nozzle, a back-locking valve structure is arranged between the water outlet cavity of the valve frame and the one-way valve cavity, and the water inlet is communicated with the one-way valve cavity. The water inlet is communicated with the unidirectional valve cavity, so that the water pressure acting force inside and outside the counter-locking valve plate is balanced, and the problem of water stopping, water locking and siphon prevention at the water outlet end can be solved by the force applied by the spring for sealing the water outlet channel.
Description
Technical Field
The utility model relates to the field of diaphragm pump equipment, in particular to a miniature anti-siphon diaphragm pump.
Background
The electric miniature diaphragm pump is widely applied to industries such as water industry, agriculture, medical treatment, automobiles, ships and the like, and drives a transmission device through the rotation of a motor, so that a diaphragm generates piston transmission, and the volume in a diaphragm cavity is compressed through the piston movement of the diaphragm so as to realize the liquid extraction function.
Most of the products in the current market are high in quality and low in cost, and the products are required to meet the requirements of low cost and multiple functions. When the diaphragm pump in the current market has a large suction force at the water outlet end, the internal pipeline of the pump can be passively opened, so that the fluid is lost. Most of the existing and existing micro diaphragm pumps are provided with a water outlet which is externally connected with a one-way valve to prevent the pump from flowing back, the use cost is high, the assembly is inconvenient, and compared with the micro pump with the one-way valve inside, the micro pump wastes space. Therefore, the use cost and the trouble of using space are increased for users.
There is a need for a novel diaphragm pump structure that prevents the liquid at the water outlet from siphoning to the point of loss, and that solves the above-mentioned problems.
Disclosure of Invention
The utility model provides a miniature anti-siphon diaphragm pump, which solves the problem that liquid at the water outlet end of the conventional diaphragm pump is easy to run off by performing technical transformation on the conventional diaphragm pump structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a miniature anti-siphon diaphragm pump, includes pump mouth, motor assembly, eccentric wheel structure, piston frame, piston, valve frame, umbrella butyl and reaction valve structure, pump mouth, reaction valve structure, valve frame, piston frame and motor assembly top-down pass through mounting screw fixed connection setting, eccentric wheel structure is installed to motor assembly output, installs the piston on the piston frame, eccentric wheel structure cover is established in the connecting rod department of piston lower extreme, motor assembly is used for driving the rubber cup of eccentric wheel assembly extrusion piston and pumps, the valve frame is installed to the piston frame top, be provided with inlet chamber and play water chamber on the valve frame, be provided with water inlet and delivery port on the pump mouth, inlet chamber and water inlet intercommunication, just water outlet chamber and play water chamber pass valve frame and piston's rubber cup intercommunication, be located inlet chamber department on the valve frame and be provided with umbrella butyl, the pump mouth inner face is provided with the check valve cavity, is provided with the reaction valve structure between the play water chamber and the check valve cavity of valve frame, just water inlet and check valve cavity setting intercommunication.
Preferably, the back-locking valve structure comprises a back-locking valve frame, a back-locking valve plate and a spring, wherein a water inlet channel and a water outlet channel are formed in the back-locking valve frame, the water inlet channel is communicated between a water inlet and a water inlet cavity, the water outlet channel is communicated between a water outlet and a water outlet cavity, the back-locking valve plate is arranged between the back-locking valve frame and a pump nozzle, the bottom surface of the back-locking valve plate is sealed at the position above the water outlet channel, and the spring is arranged between the upper surface of the back-locking valve plate and a unidirectional valve cavity of the pump nozzle in a collision mode.
Preferably, the back-locking valve plate is made of elastic materials, and the spring is arranged in the middle of the back-locking valve plate in a collision mode.
Preferably, the back-locking valve plate is provided with a water inlet hole and a water outlet hole, the water inlet hole is opposite to the water inlet, and the water outlet hole is opposite to the water outlet.
Preferably, a support beam and a transverse cavity are arranged in the water outlet channel of the back-locking valve frame, the support beam is arranged on the inner wall of the water outlet channel and connected with the transverse cavity, a cavity between the inner wall of the water outlet channel and the support beam is communicated with the water outlet cavity arranged at the middle position of the valve frame, a water inlet is formed in the upper surface of the transverse cavity, the upper end of the water inlet is sealed by the back-locking valve plate, and the water inlet is communicated with the water outlet through the transverse cavity.
Preferably, a one-way valve plate structure is arranged between the water outlet channel of the back-locking valve frame and the water outlet cavity of the valve frame.
Preferably, a sealing gasket is further arranged between the valve frame and the back-locking valve frame.
The utility model has the beneficial effects that:
the motor of the utility model rotates to drive the eccentric wheel structure on the motor shaft, and the eccentric wheel structure moves to drive the connecting rod connected with the piston, so that the rubber piston reciprocates up and down, and the two groups of valves control the inlet and outlet, so that tolerance is generated, and water flow is formed. The water flow passes through the outlet one-way valve plate, reaches the back-locking valve structure, pushes the back-locking valve plate open, and flows out from the water outlet channel into the water outlet.
The utility model can only open the channel unidirectionally, thus solving the problem of fluid loss caused by suction (larger siphon suction) at the outlet.
The water inlet of the traditional one-way valve structure is communicated with the one-way valve cavity provided with the spring, so that the water pressure acting force inside and outside the back-locking valve plate is balanced, and the problem of water stopping, water locking and siphon prevention of a pipeline can be well solved by only applying an initial sealing force.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic view of the structure of the unidirectional valve cavity of the utility model;
FIG. 4 is a schematic view of the structure of the back-locking valve of the present utility model;
FIG. 5 is a schematic cross-sectional view of the present utility model;
reference numerals illustrate: pump nozzle 1, water inlet 11, water outlet 12, one-way valve cavity 13, motor assembly 2, eccentric wheel structure 3, piston frame 4, piston 41, connecting rod 42, valve frame 5, water inlet cavity 51, water outlet cavity 52, umbrella stem 53, back-locking valve structure 6, back-locking valve frame 61, water inlet channel 611, water outlet channel 612, support beam 613, transverse channel 614, water inlet 615, back-locking valve plate 62, water inlet hole 621, water outlet hole 622, spring 63, one-way valve plate structure 7, and sealing gasket 8.
Detailed Description
The details of the present utility model are described below in conjunction with the accompanying drawings and examples.
Referring to fig. 1-5, the utility model provides a miniature anti-siphon diaphragm pump, which comprises a pump nozzle 1, a motor component 2, an eccentric wheel structure 3, a piston frame 4, a piston 41, a valve frame 5, an umbrella stem 53 and a back-locking valve structure 6, wherein the pump nozzle 1, the back-locking valve structure 6, the valve frame 5, the piston frame 4 and the motor component 2 are fixedly connected and arranged from top to bottom through mounting screws, the eccentric wheel structure 3 is arranged at the output end of the motor component 2, the piston 41 is arranged on the piston frame 4, the eccentric wheel structure 3 is sleeved at a connecting rod 42 at the lower end of the piston 41, the motor component 2 is used for driving the eccentric wheel component to extrude a rubber cup of the piston 41 for pumping, the valve frame 5 is arranged above the piston frame 4, a water inlet cavity 51 and a water outlet cavity 52 are arranged on the valve frame 5, the pump nozzle 1 is provided with a water inlet 11 and a water outlet 12, the water inlet cavity 51 is communicated with the water inlet 11, the water outlet cavity 52 is communicated with the water outlet 12, the water inlet cavity 51 and the water outlet cavity 52 pass through the rubber cup 5 of the piston 41, the piston frame 4 is sleeved at the connecting rod 42, the rubber cup is used for driving the eccentric wheel component to extrude the piston 41, the rubber cup is arranged at the valve stem 5, the valve cavity 13 is communicated with the water outlet cavity 13, and is provided with the water inlet cavity 13, and is communicated with the water outlet cavity 13 is provided with the water inlet cavity 13, and is provided with a one-way valve cavity 13.
Further, in order to realize that the back-locking valve structure 6 can prevent the liquid at the water outlet end from losing, the back-locking valve structure 6 comprises a back-locking valve frame 61, a back-locking valve plate 62 and a spring 63, a water inlet channel 611 and a water outlet channel 612 are formed in the back-locking valve frame 61, the water inlet channel 611 is communicated and arranged between the water inlet 11 and the water inlet cavity 51, the water outlet channel 612 is communicated and arranged between the water outlet 12 and the water outlet cavity 52, the back-locking valve plate 62 is arranged between the back-locking valve frame 61 and the pump nozzle 1, the bottom surface of the back-locking valve plate 62 is sealed at a position above the water outlet channel 612, and the spring 63 is arranged between the upper surface of the back-locking valve plate 62 and the one-way valve cavity 13 of the pump nozzle 1 in a collision mode.
Further, in order to realize that the back locking valve plate 62 can elastically close or open the water outlet channel 612, the back locking valve plate 62 is made of an elastic material, and the spring 63 is arranged in the middle of the back locking valve plate 62 in a abutting manner.
Further, the back-locking valve plate 62 is provided with a water inlet hole 621 and a water outlet hole 622, the water inlet hole 621 is opposite to the water inlet 11, and the water outlet hole 622 is opposite to the water outlet 12.
Further, in order to achieve the unidirectional liquid circulation effect at the position of the back-locking valve frame 61, a supporting beam 613 and a transverse cavity 614 are arranged in a water outlet channel 612 of the back-locking valve frame 61, the supporting beam 613 is arranged on the inner wall of the water outlet channel 612 and connected with the transverse cavity 614, a cavity between the inner wall of the water outlet channel 612 and the supporting beam 613 is communicated with a water outlet cavity 52 arranged in the middle position of the valve frame 5, a water inlet 615 is formed in the upper surface of the transverse cavity 614, the upper end of the water inlet 615 is sealed and arranged by the back-locking valve plate 62, and the water inlet 615 is communicated with the water outlet 12 through the transverse cavity 614. The liquid at the piston 41 is extruded from the water outlet cavity 52 at the middle position of the valve frame 5 to enter a water outlet channel 612 formed between the inner wall of the back-locking valve frame 61 and the supporting beam 613 at intervals, and pushes up the back-locking valve plate 62 upwards, enters the transverse cavity 614 from the water inlet 615 at the upper end of the transverse cavity 614, and then enters the water outlet 12 of the pump nozzle 1 through the transverse cavity 614 to flow out.
Further, in order to avoid that the liquid flowing into the water outlet chamber 52 of the valve frame 5 will not flow back toward the piston 41, a one-way valve plate structure 7 is provided between the water outlet channel 612 of the counter-locking valve frame 61 and the water outlet chamber 52 of the valve frame 5.
Further, in order to ensure the sealing effect of the water inlet cavity 51 and the water outlet cavity 52 at the valve frame 5, a sealing gasket 8 is further arranged between the valve frame 5 and the counter-locking valve frame 61.
The working principle of the utility model is as follows: according to the utility model, the motor rotates to drive the eccentric wheel structure 3 on the motor shaft, and the eccentric wheel structure 3 moves to drive the connecting rod connected with the piston 41, so that the rubber piston 41 reciprocates up and down, two groups of valves control in and out, tolerance is generated, and water flow is formed. The water flow passes through the outlet one-way valve plate, reaches the back-locking valve structure 6, pushes the back-locking valve plate 62 open, and enters the water outlet 12 from the water outlet channel 612 to flow out.
The embodiment can only open the channel unidirectionally, so that the problem of fluid loss caused by suction (larger siphon suction) of the outlet is solved. The problem to be solved by the traditional one-way valve structure is that the force of the spring 63 can be increased continuously to achieve different required effects, the water inlet 11 of a use scene is considered at the same time by the structural design of the utility model, the water inlet 11 is communicated with the one-way valve cavity 13 provided with the spring 63, so that the water pressure acting force inside and outside the counter-locking valve plate 62 is balanced, and the problem of water stopping and water locking and siphon prevention of a pipeline can be well solved by only applying an initial sealing force.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or can be connected through an intermediate medium, and can be communication between two elements or interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood by those skilled in the art in specific cases.
Claims (7)
1. The utility model provides a miniature anti-siphon diaphragm pump, its characterized in that, including pump mouth, motor assembly, eccentric wheel structure, piston frame, piston, valve frame, umbrella butyl and back-locking valve structure, pump mouth, back-locking valve structure, valve frame, piston frame and motor assembly top-down pass through mounting screw fixed connection setting, eccentric wheel structure is installed to motor assembly output, installs the piston on the piston frame, eccentric wheel structure cover is established in the connecting rod department of piston lower extreme, motor assembly is used for driving the rubber cup of eccentric wheel assembly extrusion piston and pumps, the valve frame is installed to the piston frame top, be provided with inlet chamber and water outlet chamber on the valve frame, be provided with water inlet and delivery port on the pump mouth, inlet chamber and delivery port intercommunication, just inlet chamber and water outlet chamber pass valve frame and the rubber cup cavity intercommunication of piston, be located inlet chamber department on the valve frame and be provided with the umbrella, the pump mouth inner face is provided with the check valve cavity, be provided with the check valve structure between the outlet chamber and the check valve cavity of valve frame, just the valve cavity sets up with back-locking valve cavity and valve cavity intercommunication.
2. The miniature anti-siphon diaphragm pump according to claim 1, wherein the back-locking valve structure comprises a back-locking valve frame, a back-locking valve plate and a spring, a water inlet channel and a water outlet channel are formed in the back-locking valve frame, the water inlet channel is communicated between the water inlet and the water inlet cavity, the water outlet channel is communicated between the water outlet and the water outlet cavity, the back-locking valve plate is arranged between the back-locking valve frame and the pump nozzle, the bottom surface of the back-locking valve plate seals the position above the water outlet channel, and the spring is arranged between the upper surface of the back-locking valve plate and the unidirectional valve cavity of the pump nozzle in a collision mode.
3. The miniature anti-siphon diaphragm pump according to claim 2, wherein the back-locking valve plate is made of elastic material, and the spring is arranged in the middle of the back-locking valve plate in a abutting manner.
4. The miniature anti-siphon diaphragm pump according to claim 2, wherein the back-lock valve plate is provided with a water inlet hole and a water outlet hole, the water inlet hole is opposite to the water inlet, and the water outlet hole is opposite to the water outlet.
5. The miniature anti-siphon diaphragm pump according to claim 2, wherein a supporting beam and a transverse cavity are arranged in the water outlet channel of the back-locking valve frame, the supporting beam is arranged on the inner wall of the water outlet channel and is connected with the transverse cavity, the cavity between the inner wall of the water outlet channel and the supporting beam is communicated with the water outlet cavity arranged in the middle of the valve frame, the upper surface of the transverse cavity is provided with a water inlet, the upper end of the water inlet is sealed by the back-locking valve plate, and the water inlet is communicated with the water outlet through the transverse cavity.
6. The miniature anti-siphon diaphragm pump of claim 5, wherein a one-way valve plate structure is arranged between the water outlet channel of the back-locking valve frame and the water outlet cavity of the valve frame.
7. The miniature anti-siphon diaphragm pump of claim 2, further comprising a gasket seal between the valve housing and the counter-lock valve housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223199046.XU CN219061953U (en) | 2022-11-30 | 2022-11-30 | Miniature anti-siphon diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223199046.XU CN219061953U (en) | 2022-11-30 | 2022-11-30 | Miniature anti-siphon diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219061953U true CN219061953U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223199046.XU Active CN219061953U (en) | 2022-11-30 | 2022-11-30 | Miniature anti-siphon diaphragm pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN219061953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753146A (en) * | 2023-06-02 | 2023-09-15 | 深圳华星恒泰泵阀有限公司 | Anti-adhesion diaphragm pump |
| CN116816659A (en) * | 2023-06-20 | 2023-09-29 | 深圳华星恒泰泵阀有限公司 | Stable water stop diaphragm pump |
-
2022
- 2022-11-30 CN CN202223199046.XU patent/CN219061953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753146A (en) * | 2023-06-02 | 2023-09-15 | 深圳华星恒泰泵阀有限公司 | Anti-adhesion diaphragm pump |
| CN116753146B (en) * | 2023-06-02 | 2024-06-04 | 深圳华星恒泰泵阀有限公司 | Anti-adhesion diaphragm pump |
| CN116816659A (en) * | 2023-06-20 | 2023-09-29 | 深圳华星恒泰泵阀有限公司 | Stable water stop diaphragm pump |
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| GR01 | Patent grant | ||
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Address after: No. 5, Fenggang West Street, High tech Industrial Development Zone, Zhaoqing City, Guangdong Province, 526000 Patentee after: Guangdong Aidi Electromechanical Technology Co.,Ltd. Address before: 526000 room 1507, 15th floor, Fumin Building, No. 18, Beijiang Avenue, Zhaoqing high tech Zone, Zhaoqing City, Guangdong Province, self compiled No. 58 Patentee before: Guangdong Aidi Electromechanical Technology Co.,Ltd. |