CN221762153U

CN221762153U - Sewage diaphragm pump

Info

Publication number: CN221762153U
Application number: CN202323662819.8U
Authority: CN
Inventors: 蒋茂发
Original assignee: Shenzhen Bowei Kesi Technology Co ltd
Current assignee: Shenzhen Bowei Kesi Technology Co ltd
Priority date: 2023-12-29
Filing date: 2023-12-29
Publication date: 2024-09-24
Anticipated expiration: 2033-12-29

Abstract

The utility model relates to a sewage diaphragm pump, wherein a cam assembly is driven to rotate by a driving mechanism, the cam assembly acts on a linkage ring in the rotating process, so that the linkage ring can drive a linkage rod to do linear reciprocating motion and simultaneously drive a diaphragm to deform, when the diaphragm deforms, fluid can be pumped into a fluid cavity from a second water inlet channel or pumped into a second water outlet channel from the fluid cavity, when the cam assembly rotates, the distance between a first distance sensing assembly and a second distance sensing assembly is always changed, and a processing module can control the blocking assembly to block the first water inlet channel and the first water outlet channel according to the distance between the first distance sensing assembly and the second distance sensing assembly, so that the structure and the principle of the sewage diaphragm pump are simpler, and the production cost is lower.

Description

Sewage diaphragm pump

Technical Field

The utility model relates to the technical field of diaphragm pumps, in particular to a sewage diaphragm pump.

Background

The traditional diaphragm water pump is characterized in that a diaphragm in the water pump is made to do reciprocating motion through a mechanical device by means of circular motion of a motor, so that air in a pump cavity (fixed volume) is compressed and stretched, and positive pressure is formed at a water outlet under the action of a one-way valve; vacuum is formed at the water pumping port, so that pressure difference is generated between the water pumping port and the external atmospheric pressure. Under the action of pressure difference, water is pressed into the water inlet and then discharged from the water outlet. Under the action of kinetic energy transmitted by the motor, water is continuously sucked and discharged, so that a relatively stable flow is formed.

When sewage is treated by using the diaphragm pump, because the sewage has strong adhesion and more impurities, when the diaphragm pump is applied to sewage with adhesion and impurities for a long time, the impurities and other sticky matters are attached to the valve clack, so that the one-way valve is adhered.

In the prior art, a Chinese patent document with the application number of CN202310459926.6 and the name of a diaphragm water pump is published, and the Chinese patent document drives a cam mechanism to rotate by a driving mechanism so that a connecting mechanism moves repeatedly along a straight line, and the end part of the connecting mechanism is connected with a one-way valve so as to drive the one-way valve to be opened or closed. The cam mechanism is matched with the connecting rod mechanism in the scheme to realize the strong driving of the opening and closing of the one-way valve, and the device has a complex structure and high production cost.

Disclosure of utility model

The utility model aims to solve the technical problems that the structure of the Chinese patent document named as a diaphragm water pump is complex and the production cost is high in the prior art, and provides a sewage diaphragm pump aiming at the defects of the prior art, wherein the published application number of the Chinese patent document is CN 202310459926.6.

The technical scheme adopted for solving the technical problems is as follows:

The sewage diaphragm pump comprises a pump body, wherein a first water inlet channel, a first water outlet channel and a blocking component for blocking the first water inlet channel and the first water outlet channel are arranged on the pump body, the first water inlet channel and the first water outlet channel are respectively communicated with a fluid cavity through a second water inlet channel and a second water outlet channel, and the top of the fluid cavity is provided with a diaphragm;

The driving end of the driving mechanism is provided with a cam assembly;

The rocker mechanism comprises a linkage ring and a linkage rod arranged on the outer side wall of the linkage ring, and the cam component acts on the linkage ring under the drive of the driving mechanism to enable the linkage rod to do linear reciprocating motion and drive the diaphragm to deform at the same time;

The control module comprises a processing module, a first distance sensing assembly arranged on the side wall of the linkage ring and a second distance sensing assembly arranged on the side wall of the cam assembly, wherein the first distance sensing assembly can sense the distance between the first distance sensing assembly and the second distance sensing assembly, and the plugging assembly, the first distance sensing assembly and/or the second distance sensing assembly are/is connected with the processing module.

Preferably, the first water inlet channel and the first water outlet channel are respectively communicated with the fluid cavity through the second water inlet channel and the second water outlet channel, the top of the fluid cavity is a diaphragm, the first distance sensing assembly is a Hall sensor, and the second distance sensing assembly is a magnetic attraction piece.

Preferably, the plugging assembly is an electromagnetic valve, the electromagnetic valve comprises a first driving end and a second driving end, the first driving end is opposite to the first water inlet channel, and the first driving end is provided with a first plugging block for plugging the first water inlet channel.

Preferably, the second driving end is opposite to the first water outlet channel, and the second driving end is provided with a second blocking block for blocking the first water outlet channel.

Preferably, the pump body comprises a housing, an installation cavity is arranged in the housing, an electromagnetic valve is arranged in the installation cavity, one side of the housing is provided with a first water inlet channel, a second water inlet channel communicated with the first water inlet channel is arranged in the housing, a first through hole is formed in the side wall of the second water inlet channel, and a first driving end on the electromagnetic valve is arranged in the first through hole and is plugged by a first plugging block.

Preferably, a first water outlet channel is arranged on one side of the shell opposite to the first water inlet channel, a second water outlet channel communicated with the first water outlet channel is arranged in the shell, a second through hole is formed in the side wall of the second water outlet channel, and a second driving end on the electromagnetic valve is arranged in the second through hole and is plugged by a second plugging block.

Preferably, the fluid cavity comprises a tank body arranged at the bottom of the installation cavity, a water inlet for the second water inlet channel to be communicated with the tank body and a water outlet for the second water outlet channel to be communicated with the tank body are formed in the side wall of the tank body, a diaphragm is arranged on the top of the tank body in a covering mode, and a pressing piece is arranged on the top of the diaphragm.

Preferably, a first annular positioning piece is arranged at the top of the groove body, a first annular positioning groove matched with the first annular positioning piece is formed in the bottom of the diaphragm, a second annular positioning piece is arranged at the top of the diaphragm, and a second annular positioning groove matched with the second annular positioning piece is formed in the bottom of the pressing piece.

Preferably, the first plugging block and the second plugging block comprise buffer blocks, buffer parts are concavely formed in the middle of the buffer blocks, and plugging blocks are convexly arranged in the middle of the buffer blocks.

Preferably, the driving mechanism is a motor, and the cam component is an eccentric wheel.

The utility model has the beneficial effects that:

1. According to the utility model, the cam assembly is driven to rotate by the driving mechanism, the cam assembly acts on the linkage ring in the rotating process, so that the linkage ring can drive the linkage rod to do linear reciprocating motion and simultaneously drive the diaphragm to deform, when the diaphragm deforms, the fluid pump can be enabled to flow into the fluid cavity or enable the fluid to be pumped out of the fluid cavity, when the cam assembly rotates, the distance between the first distance sensing assembly and the second distance sensing assembly is always changed, and the blocking assembly can be controlled to block the first water inlet channel and the first water outlet channel according to the distance between the first distance sensing assembly and the second distance sensing assembly by the processing module;

2. the utility model omits the one-way valve and the connecting mechanism, and controls the pumping-in and pumping-out of sewage through the electromagnetic valve, thereby solving the problem that the one-way valve is possibly adhered by sewage and enabling the blocking and the circulation of the first water outlet channel and the first water inlet channel to be more rapid and stable.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:

fig. 1 is a schematic bottom view of the overall utility model.

Fig. 2 is a schematic drawing of the present utility model taken along line D-D in fig. 1.

Fig. 3 is an overall exploded view of the present utility model.

Fig. 4 is an enlarged schematic view of the portion a of fig. 3 in accordance with the present utility model.

Fig. 5 is a schematic overall isometric view of the utility model.

The reference numerals are:

1. A pump body; 101. a first water inlet channel; 102. a first water outlet channel; 103. a second water inlet channel; 104. a second water outlet channel; 105. a housing; 106. a mounting cavity; 107. a first through hole; 108. a second through hole;

2. a driving mechanism; 201. a cam assembly;

301. a linkage ring; 302. a linkage rod; 303. a pressing plate; 304. a bearing;

5. A plugging assembly; 501. a first drive end; 502. a second drive end; 503. a first block; 504. a second block; 505. a buffer block; 506. a buffer section; 507. blocking;

6. A fluid chamber; 601. a diaphragm; 602. a tank body; 603. a first annular positioning member; 604. a first annular positioning groove; 605. a second annular positioning member;

7. Pressing and fixing pieces; 701. and the second annular positioning groove.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In describing embodiments of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present application will be understood in detail by those of ordinary skill in the art.

In embodiments of the application, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Embodiment one: the utility model relates to a sewage diaphragm pump, as shown in fig. 1-5, which comprises a pump body 1, a driving mechanism 2, a rocker mechanism and a control module (not shown in the drawings), wherein the pump body 1 is provided with a first water inlet channel 101, a first water outlet channel 102 and a blocking component 5 for blocking the first water inlet channel 101 and the first water outlet channel 102, the first water inlet channel 101 and the first water outlet channel 102 are respectively communicated with a fluid cavity 6 through a second water inlet channel 103 and a second water outlet channel 104, and the top of the fluid cavity 6 is provided with a diaphragm 601;

The driving mechanism 2 is provided with a cam assembly 201 at the driving end;

The rocker mechanism comprises a linkage ring 301 and a linkage rod 302 arranged on the outer side wall of the linkage ring 301, a pressing plate 303 is arranged at the bottom of the linkage rod 302, the pressing plate 303 is connected with a diaphragm 601, and under the drive of the driving mechanism 2, a cam assembly 201 acts on the linkage ring 301 to enable the linkage rod 302 to do linear reciprocating motion and drive the diaphragm 601 to deform;

The control module comprises a processing module, a first distance sensing component (not shown in the figure) arranged on the side wall of the linkage ring 301 and a second distance sensing component (not shown in the figure) arranged on the side wall of the cam component 201, wherein the first distance sensing component can sense the distance between the first distance sensing component and the second distance sensing component, the plugging component 5, the first distance sensing component and/or the second distance sensing component are connected with the processing module, further, the cam component 201 is driven to rotate by the driving mechanism, the cam component 201 acts on the linkage ring 301 in the rotating process, the linkage ring 301 can drive the linkage rod 302 to do linear reciprocating motion and simultaneously drive the diaphragm 601 to deform, when the diaphragm 601 deforms, the fluid can be pumped into the fluid cavity 6 from the second water inlet channel 103 or pumped into the second water outlet channel 104 from the fluid cavity 6, when the cam assembly 201 rotates, the distance between the first distance sensing assembly and the second distance sensing assembly is always changed, the processing module can control the blocking assembly 5 to block the first water inlet channel 101 and the first water outlet channel 102 according to the distance between the first distance sensing assembly and the second distance sensing assembly, specifically, when the distance between the first distance sensing assembly and the second distance sensing assembly reaches a first preset threshold value, the processing module controls the blocking assembly 5 to unblock the first water inlet channel 101, at this moment, under the driving of the driving mechanism 2, the cam assembly 201 acts on the linkage ring 301 in the rotating process, so that the linkage ring 301 can drive the linkage rod 302 to stretch the diaphragm 601, so that sewage flows from the first water inlet channel 101 through the second water inlet channel 103 and then enters the fluid cavity 6, when the distance between the first distance sensing component and the second distance sensing component reaches a second preset threshold value, the processing module controls the blocking component 5 to block the first water inlet channel 101 while unblocking the second water inlet channel 103, at this time, under the driving of the driving mechanism 2, the cam component 201 acts on the linkage ring 301 in the rotating process, so that the linkage ring 301 can drive the linkage rod 302 to compress the diaphragm 601, so that sewage in the fluid cavity 6 flows out of the pump body 1 after flowing through the first water outlet channel 102 from the second water outlet channel 104, further, the linkage rod 302 can be rotationally assembled on the cam component 201 through the bearing 304, and the control module is a control circuit board or a micro-singlechip.

Further, the first distance sensing component is a Hall sensor, and the second distance sensing component is a magnetic attraction piece; the first distance sensing element may also be an optical transmitter and the second distance sensing element an optical receiver.

In this embodiment, the plugging assembly 5 is an electromagnetic valve, the electromagnetic valve includes a first driving end 501 and a second driving end 502, the first driving end 501 is opposite to the first water inlet channel 101, the first driving end 501 is provided with a first plugging block 503 for plugging the first water inlet channel 101, further, the second driving end 502 is opposite to the first water outlet channel 102, the second driving end 502 is provided with a second plugging block 504 for plugging the first water outlet channel 102, specifically, when the cam assembly 201 rotates, the hall sensor can sense the distance between the magnetic attraction piece in real time, and sends the distance data to the processing module, and the processing module controls the extension and contraction of the first driving end 501 and the second driving end 502 of the electromagnetic valve through a preset first threshold value and a preset second threshold value.

In this embodiment, referring to fig. 2-3, the pump body 1 includes a housing 105, a mounting cavity 106 is provided in the housing 105, an electromagnetic valve is provided in the mounting cavity 106, a first water inlet channel 101 is provided at one side of the housing 105, a second water inlet channel 103 is provided in the housing 105 and is communicated with the first water inlet channel 101, a first through hole 107 is provided on a side wall of the second water inlet channel 103, a first driving end 501 on the electromagnetic valve is provided in the first through hole 107 and is plugged by a first plugging block 503, further, a first water outlet channel 102 is provided at a side of the housing 105 opposite to the first water inlet channel 101, a second water outlet channel 104 is provided in the housing 105 and is communicated with the first water outlet channel 102, a second through hole 108 is provided on a side wall of the second water outlet channel 104, a second driving end 502 on the electromagnetic valve is provided in the second through hole 108 and is plugged by a second plugging block 504, and in particular, the first driving end 501 and the second driving end 501 can be enabled to be respectively plugged by the first through hole 107 and the second through hole 108 and the first water inlet channel 102 and the second through hole 502.

In this embodiment, the fluid chamber 6 includes a tank 602 disposed at the bottom of the installation cavity 106, a water inlet for the second water inlet channel 103 to communicate with the tank 602 and a water outlet for the second water outlet channel 104 to communicate with the tank 602 are formed on a side wall of the tank 602, so that sewage is convenient to enter the fluid chamber 6, a diaphragm 601 is disposed on the top of the tank 602, and a pressing member 7 is disposed on the top of the diaphragm 601, so that the diaphragm 601 cannot be removed when the diaphragm 601 is stretched or extruded.

In this embodiment, a first annular positioning member 603 is disposed at the top of the groove 602, a first annular positioning groove 604 adapted to the first annular positioning member 603 is disposed at the bottom of the diaphragm 601, a second annular positioning member 605 is disposed at the top of the diaphragm 601, and a second annular positioning groove 701 adapted to the second annular positioning member 605 is disposed at the bottom of the press fitting member 7.

In this embodiment, the first block 503 and the second block 504 include a buffer block 505, a buffer portion 506 is concavely formed in the middle of the buffer block 505, and a block 507 is convexly provided in the middle of the buffer block 505.

In this embodiment, the drive mechanism is a motor and the cam assembly 201 is an eccentric.

Embodiment two: the difference between the first embodiment and the second embodiment is that the two magnetic attraction pieces are respectively arranged at two opposite ends of the eccentric wheel, when the eccentric wheel rotates, the hall sensor can break through the preset threshold value twice in one period, and the processing module can control the first blocking end and the second blocking end to block the first water inlet channel 101 and the first water outlet channel 102 according to the broken-through different threshold values.

It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.

Claims

1. A sewage diaphragm pump, comprising:

The water pump comprises a pump body (1), wherein a first water inlet channel (101), a first water outlet channel (102) and a blocking component (5) for blocking the first water inlet channel (101) and the first water outlet channel (102) are arranged on the pump body (1);

the driving end of the driving mechanism (2) is provided with a cam assembly (201);

the rocker mechanism comprises a linkage ring (301) and a linkage rod (302) arranged on the outer side wall of the linkage ring (301), and the cam assembly (201) acts on the linkage ring (301) under the driving of the driving mechanism (2) to enable the linkage rod (302) to do linear reciprocating motion and drive the diaphragm (601) to deform;

The control module comprises a processing module, a first distance sensing assembly arranged on the side wall of the linkage ring (301) and a second distance sensing assembly arranged on the side wall of the cam assembly (201), wherein the first distance sensing assembly can sense the distance between the first distance sensing assembly and the second distance sensing assembly, and the plugging assembly (5), the first distance sensing assembly and/or the second distance sensing assembly are/is connected with the processing module.

2. The sewage diaphragm pump according to claim 1, wherein the first water inlet channel (101) and the first water outlet channel (102) are respectively communicated with the fluid cavity (6) through a second water inlet channel (103) and a second water outlet channel (104), the top of the fluid cavity (6) is a diaphragm (601), the first distance sensing component is a hall sensor, and the second distance sensing component is a magnetic attraction component.

3. A sewage diaphragm pump according to claim 2, wherein the plugging assembly (5) is a solenoid valve comprising a first driving end (501) and a second driving end (502), the first driving end (501) being opposite to the first water inlet channel (101), and the first driving end (501) being provided with a first plugging block (503) for plugging the first water inlet channel (101).

4. A sewage diaphragm pump according to claim 3, wherein the second drive end (502) is facing the first water outlet channel (102), and the second drive end (502) is provided with a second blocking block (504) for blocking the first water outlet channel (102).

5. A sewage diaphragm pump according to claim 3, wherein the pump body (1) comprises a housing (105), a mounting cavity (106) is arranged in the housing (105), the electromagnetic valve is arranged in the mounting cavity (106), the first water inlet channel (101) is arranged on one side of the housing (105), the second water inlet channel (103) communicated with the first water inlet channel (101) is arranged in the housing (105), a first through hole (107) is formed in the side wall of the second water inlet channel (103), and a first driving end (501) on the electromagnetic valve is arranged in the first through hole (107) and is plugged by a first plugging block (503).

6. The sewage diaphragm pump according to claim 5, wherein a first water outlet channel (102) is arranged on one side of the casing (105) opposite to the first water inlet channel (101), a second water outlet channel (104) communicated with the first water outlet channel (102) is arranged in the casing (105), a second through hole (108) is formed in the side wall of the second water outlet channel (104), and a second driving end (502) on the electromagnetic valve is arranged in the second through hole (108) and seals the second through hole (108) through a second sealing block (504).

7. The sewage diaphragm pump according to claim 5, wherein the fluid chamber (6) comprises a tank body (602) arranged at the bottom of the installation chamber (106), a water inlet for the second water inlet channel (103) to be communicated with the tank body (602) and a water outlet for the second water outlet channel (104) to be communicated with the tank body (602) are formed in the side wall of the tank body (602), a diaphragm (601) is arranged on the top of the tank body (602) in a covering manner, and a pressing piece (7) is arranged on the top of the diaphragm (601).

8. The sewage diaphragm pump according to claim 7, wherein a first annular positioning member (603) is arranged at the top of the tank body (602), a first annular positioning groove (604) matched with the first annular positioning member (603) is arranged at the bottom of the diaphragm (601), a second annular positioning member (605) is arranged at the top of the diaphragm (601), and a second annular positioning groove (701) matched with the second annular positioning member (605) is arranged at the bottom of the pressing member (7).

9. The sewage diaphragm pump according to claim 4, wherein the first block (503) and the second block (504) comprise a buffer block (505), a buffer portion (506) is formed by recessing a middle portion of the buffer block (505), and a block (507) is provided by protruding a middle portion of the buffer block (505).

10. A sewage diaphragm pump according to claim 1, wherein the drive mechanism is an electric motor and the cam assembly (201) is an eccentric.