CN213205944U - Diaphragm pump with pressure protection function - Google Patents
Diaphragm pump with pressure protection function Download PDFInfo
- Publication number
- CN213205944U CN213205944U CN202021867843.9U CN202021867843U CN213205944U CN 213205944 U CN213205944 U CN 213205944U CN 202021867843 U CN202021867843 U CN 202021867843U CN 213205944 U CN213205944 U CN 213205944U
- Authority
- CN
- China
- Prior art keywords
- valve plate
- diaphragm pump
- liquid outlet
- flow channel
- pump body
- 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 discloses a diaphragm pump with pressure protection function, which integrates a pressure sensor into a pump body, when the pressure reaches a certain degree, the pressure protection function is realized by changing the working state of a motor, and meanwhile, the inlet and the outlet are actively plugged by using the elasticity of a valve block, thereby enhancing the flow stopping effect and avoiding various adverse effects caused by liquid backflow; the upside of valve upper plate is seted up and is put the inspection hole, inspection hole and liquid outlet pipe intercommunication, the laminating of circuit board level sets up at the inspection hole upside, the outer border of circuit board matches the setting along the inboard with the outer border of valve upper plate, and be provided with the shell seal spare between the outer border of circuit board and the outer border inboard of valve upper plate, the downside of circuit board is applied paint with anticorrosive waterproof coating with a brush, be located the fixed pressure sensor that is provided with of circuit board downside in the inspection hole, through the pressure of the interior liquid of pressure sensor monitoring liquid outlet pipe, pressure sensor is connected with the motor control module electricity of diaphragm pump body.
Description
Technical Field
The utility model relates to a diaphragm pump with pressure protection function belongs to diaphragm pump technical field.
Background
Traditional diaphragm pump can't realize pressure protection, and the pressure that the diaphragm pump produced is too big, can produce harmful effects, other precision fittings in the system of damaging easily, and this kind of condition, often can external sensor at present, nevertheless not good installation, the pipeline produces the leakage easily, and integrated nature is poor to use cost is high, and traditional diaphragm pump receives the check valve structure influence moreover, and the effect of only flowing is poor, can't effectively block the liquid backward flow, and when the customer used, various harmful effects produced easily.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art exists not enough, provides a diaphragm pump with pressure protection function, with pressure sensor integration to the pump body in, when pressure reaches a certain degree, realize pressure protection through the operating condition who changes the motor, utilize valve block elasticity initiative shutoff to import and export simultaneously, strengthened the effect of only flowing, avoid because of the various harmful effects that liquid backward flow caused.
In order to solve the technical problem, the utility model discloses a technical scheme be: a diaphragm pump with a pressure protection function comprises a diaphragm pump body, wherein a pressure sensor is arranged in an output cavity of the diaphragm pump body, the pressure sensor is electrically connected with a motor control module of the diaphragm pump body, and the working state of a motor is controlled through signals collected by the pressure sensor to realize the pressure protection function;
the structure of the diaphragm pump body is as follows: the diaphragm pump comprises a diaphragm pump body, a lower valve plate, an upper valve plate and a valve cover, wherein the lower side of the lower valve plate is arranged on the diaphragm pump body in a matching manner, the upper valve plate is arranged on the upper side of the lower valve plate in a matching manner, the upper valve plate and the lower valve plate are fixed on the diaphragm pump body in a matching manner through the valve cover, a liquid inlet pipeline and a liquid outlet pipeline are arranged on the upper valve plate, a liquid inlet flow channel and a liquid outlet flow channel are arranged on the lower valve plate, the liquid inlet pipeline and the liquid outlet pipeline are correspondingly communicated with the liquid inlet flow channel and the liquid outlet flow channel through a valve block arranged between the upper valve plate and the lower valve plate, the liquid inlet flow channel and the liquid outlet flow channel are communicated with a diaphragm upper cavity of the diaphragm pump body, the valve block is of an annular and symmetrical structure, a cylindrical blocking block is arranged in the middle of the valve block and connected with an annular outer ring through, the liquid inlet pipeline, the liquid outlet pipeline, the liquid inlet flow channel and the liquid outlet flow channel are respectively provided with a plurality of positioning ribs distributed in an annular shape, the positioning ribs of the liquid inlet pipeline and the liquid inlet flow channel and the positioning ribs of the liquid outlet pipeline and the liquid outlet flow channel can be matched and penetrate through spaces among the connecting ribs of the valve plates, the annular outer ring of the valve plates is pressed tightly, and the connecting ribs of the valve plates are reset and used for pressing the liquid outlet flow channel tightly;
the upside of valve upper plate is seted up and is put the inspection hole, inspection hole and liquid outlet pipe intercommunication, the upside of inspection hole is provided with annular seal groove, be provided with the sealing member in the seal groove, the laminating of circuit board level sets up at the inspection hole upside to form sealed with the sealing member shutoff with the inspection hole, the outer border and the inboard setting of matcing of valve upper plate outer border of circuit board, and be provided with the shell sealing member between the outer border of circuit board and the valve upper plate outer border inboard, the downside of circuit board is applied with paint anticorrosive waterproof coating with a brush, is located the fixed pressure sensor that is provided with of circuit board downside in the inspection hole, through the pressure sensor monitoring liquid outlet pipe in the pressure of liquid, pressure sensor is connected with the motor control module electricity of diaphragm pump body.
The ports of the liquid inlet pipeline and the liquid outlet flow passage are respectively provided with a boss, so that the cylindrical plugging block of the valve block is pre-pressed on the liquid inlet pipeline and the liquid outlet flow passage in a normal state.
The valve plate is made of elastic rubber.
The liquid inlet flow channel and the liquid outlet pipeline are of a double-channel structure, and the liquid inlet pipeline and the liquid outlet flow channel are of a single-channel structure.
And the connecting wire of the circuit board is electrically connected with the motor control module of the diaphragm pump body through the wire outlet sealing piece.
The motor control module of the diaphragm pump body is a PLC module.
Compared with the prior art, the utility model beneficial effect who has is: the utility model discloses arrange the valve block in between valve upper plate and the valve hypoplastron, the during operation is equivalent to a set of check valve. The step is arranged on the channel, the valve block is lifted by the step during installation, the valve block is blocked by the elastic force under the action of the elastic force, the siphon and the backflow are prevented, the valve block is not easy to be punctured, and meanwhile the output pressure of liquid is adjusted by changing the working state of the motor.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the connection between the middle valve upper plate and the circuit board of the present invention.
Fig. 3 is a bottom view of the circuit board of the present invention.
Fig. 4 is a cross-sectional view of the upper plate of the middle valve of the present invention.
Fig. 5 is a schematic structural diagram of the mesolamella pump body of the present invention.
Fig. 6 is a schematic structural view of the lower plate of the middle valve of the present invention.
Fig. 7 is a sectional view of section a-a in fig. 6.
Fig. 8 is a schematic structural diagram of the middle valve upper plate of the present invention.
Fig. 9 is a sectional view of section B-B in fig. 8.
Fig. 10 is an exploded view of the upper valve plate, the valve plate and the lower valve plate of the present invention.
Fig. 11 is a front view of the middle valve plate of the present invention.
Fig. 12 is a side view of fig. 11.
In the figure: the device comprises a diaphragm pump body 1, a diaphragm pump body 11, a diaphragm pump body 12, a lower valve plate 13, an upper valve plate 14, a valve cover 14, a liquid inlet pipeline 15, a liquid outlet pipeline 16, a valve plate 17, a liquid inlet flow channel 18, a liquid outlet flow channel 19, a positioning rib 110, a boss 111, a pressure sensor 2, a circuit board 3, a detection hole 4, a sealing groove 5, a sealing piece 6, a shell sealing piece 7, an anticorrosive waterproof coating 8 and an outlet sealing piece 9.
Detailed Description
As shown in fig. 1 to 12, the utility model relates to a diaphragm pump with pressure protection function, which comprises a diaphragm pump body 1, a pressure sensor 2 is arranged in an output cavity of the diaphragm pump body 1, the pressure sensor 2 is electrically connected with a motor control module of the diaphragm pump body 1, and the working state of a motor is controlled by signals collected by the pressure sensor 2 to realize the pressure protection function;
the structure of the diaphragm pump body 1 is as follows: the diaphragm pump comprises a diaphragm pump body 11, a lower valve plate 12, an upper valve plate 13 and a valve cover 14, wherein the lower side of the lower valve plate 12 is arranged on the diaphragm pump body 11 in a matching manner, the upper valve plate 13 is arranged on the upper side of the lower valve plate 12 in a matching manner, the upper valve plate 13 and the lower valve plate 12 are fixed on the diaphragm pump body 11 in a matching manner by the valve cover 14, a liquid inlet pipeline 15 and a liquid outlet pipeline 16 are arranged on the upper valve plate 13, a liquid inlet flow channel 18 and a liquid outlet flow channel 19 are arranged on the lower valve plate 12, the liquid inlet pipeline 15 and the liquid outlet pipeline 16 are correspondingly communicated with the liquid inlet flow channel 18 and the liquid outlet flow channel 19 through a valve plate 17 arranged between the upper valve plate 13 and the lower valve plate 12, the liquid inlet flow channel 18 and the liquid outlet flow channel 19 are communicated with a diaphragm upper cavity of the diaphragm pump body 11, the valve plate 17 is of an annular and symmetrical structure, a cylindrical blocking block is, the cylindrical plugging block of the valve plate 17 can be arranged on the liquid inlet pipeline 15 and the liquid outlet flow channel 19 in a matching manner, a plurality of positioning ribs 110 distributed in an annular manner are arranged on the corresponding sides of the liquid inlet pipeline 15, the liquid outlet pipeline 16, the liquid inlet flow channel 18 and the liquid outlet flow channel 19, the positioning ribs 110 of the liquid inlet pipeline 15 and the liquid inlet flow channel 18, the positioning ribs 110 of the liquid outlet pipeline 16 and the liquid outlet flow channel 19 can penetrate through the space between the connecting ribs of the valve plate 17 in a matching manner, the annular outer ring of the valve plate 17 is pressed tightly, and the connecting ribs of the valve plate 17 are reset and press the liquid outlet flow channel 19 tightly;
the upper side of the valve upper plate 13 is provided with a detection hole 4, the detection hole 4 is communicated with a liquid outlet pipeline 16, an annular sealing groove 5 is arranged on the upper side of the detection hole 4, a sealing element 6 is arranged in the sealing groove 5, the circuit board 3 is horizontally attached to the upper side of the detection hole 4, and is matched with a sealing element 6 to form sealing to seal the detection hole 4, the outer edge of the circuit board 3 is matched with the inner side of the outer edge of the valve upper plate 13, and a housing seal member 7 is provided between the outer edge of the circuit board 3 and the inner side of the outer edge of the valve upper plate 13, the lower side of the circuit board 3 is coated with an anti-corrosion waterproof coating 8, the lower side of the circuit board 3 positioned in the detection hole 4 is fixedly provided with a pressure sensor 2, the pressure of liquid in the liquid outlet pipeline 16 is monitored through the pressure sensor 2, and the pressure sensor 2 is electrically connected with a motor control module of the diaphragm pump body 11.
The ports of the liquid inlet pipeline 15 and the liquid outlet flow passage 19 are respectively provided with a boss 111, so that the cylindrical plugging block of the valve plate 17 is pre-pressed on the liquid inlet pipeline 15 and the liquid outlet flow passage 19 in a normal state.
The valve plate 17 is made of elastic rubber.
The liquid inlet channel 18 and the liquid outlet channel 16 are of a double-channel structure, and the liquid inlet channel 15 and the liquid outlet channel 19 are of a single-channel structure.
And the connecting wire of the circuit board 3 is electrically connected with the motor control module of the diaphragm pump body 11 through the wire outlet sealing piece 9.
The motor control module of the diaphragm pump body 11 is a PLC module.
The utility model discloses a theory of operation: the valve plate is arranged between the upper valve plate and the lower valve plate and is equivalent to a group of one-way valves during operation. Be equipped with the step on the passageway, the valve block is lifted by the step during installation, the valve block receives the effect of elasticity, it is dead to block up the port, the cylindrical sprue of valve block is by jack-up during the use, after finishing using, the cylindrical sprue of valve block is under the elastic force effect of splice bar, reset and stop up the road junction, therefore the pump during stop work, liquid is difficult for opening the valve block, consequently, pump siphon and backward flow have been avoided, liquid is when flowing through liquid outlet pipe, pressure sensor monitors the pressure of liquid, and convert pressure into the signal of telecommunication and give the PLC module, operating condition through PLC module control motor, the output pressure of liquid is adjusted to operating condition through changing the motor.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (6)
1. The diaphragm pump with the pressure protection function is characterized by comprising a diaphragm pump body (1), wherein a pressure sensor (2) is arranged in an output cavity of the diaphragm pump body (1), the pressure sensor (2) is electrically connected with a motor control module of the diaphragm pump body (1), and the working state of a motor is controlled through signals collected by the pressure sensor (2) to realize the pressure protection function;
the diaphragm pump body (1) is structurally characterized in that: the diaphragm pump comprises a diaphragm pump body (11), a lower valve plate (12), an upper valve plate (13) and a valve cover (14), wherein the lower side of the lower valve plate (12) is matched with the diaphragm pump body (11), the upper valve plate (13) is matched with the lower valve plate (12), the valve cover (14) fixes the upper valve plate (13) and the lower valve plate (12) on the diaphragm pump body (11), a liquid inlet pipeline (15) and a liquid outlet pipeline (16) are arranged on the upper valve plate (13), a liquid inlet flow channel (18) and a liquid outlet flow channel (19) are arranged on the lower valve plate (12), the liquid inlet pipeline (15) and the liquid outlet pipeline (16) are correspondingly communicated with the liquid inlet flow channel (18) and the liquid outlet flow channel (19) through a valve plate (17) arranged between the upper valve plate (13) and the lower valve plate (12), and the liquid inlet flow channel (18) and the liquid outlet flow channel (19) are communicated with an upper diaphragm chamber of the diaphragm pump body (11), the valve plate (17) is of an annular and symmetrical structure, the middle part of the valve plate (17) is provided with a cylindrical plugging block, the cylindrical plugging block is connected with the annular outer ring through a plurality of connecting ribs to form a valve plate (17), the cylindrical plugging block of the valve plate (17) can be arranged on the liquid inlet pipeline (15) and the liquid outlet flow passage (19) in a matching way, a plurality of positioning ribs (110) which are distributed annularly are arranged on the corresponding sides of the liquid inlet pipeline (15), the liquid outlet pipeline (16), the liquid inlet flow channel (18) and the liquid outlet flow channel (19), the positioning ribs (110) of the liquid inlet pipeline (15) and the liquid inlet flow channel (18), the positioning ribs (110) of the liquid outlet pipeline (16) and the liquid outlet flow channel (19) can be matched and penetrate through spaces among the connecting ribs of the valve plate (17), the annular outer ring of the valve plate (17) is pressed tightly, and the connecting ribs of the valve plate (17) are reset and press the liquid outlet flow channel (19);
the detection device is characterized in that a detection hole (4) is formed in the upper side of the valve upper plate (13), the detection hole (4) is communicated with a liquid outlet pipeline (16), an annular sealing groove (5) is formed in the upper side of the detection hole (4), a sealing element (6) is arranged in the sealing groove (5), a circuit board (3) is horizontally attached to the upper side of the detection hole (4) and matched with the sealing element (6) to seal the detection hole (4), the outer edge of the circuit board (3) is matched with the inner side of the outer edge of the valve upper plate (13), a shell sealing element (7) is arranged between the inner side of the outer edge of the circuit board (3) and the inner side of the outer edge of the valve upper plate (13), an anti-corrosion waterproof coating (8) is coated on the lower side of the circuit board (3), a pressure sensor (2) is fixedly arranged on the lower side of the circuit board (3) in the detection hole (4), and the pressure of liquid, the pressure sensor (2) is electrically connected with a motor control module of the diaphragm pump body (11).
2. The diaphragm pump with the pressure protection function according to claim 1, wherein the inlet pipe (15) and the outlet flow channel (19) are provided with a boss (111) at the end, so that the cylindrical block of the valve plate (17) is normally pre-pressed on the inlet pipe (15) and the outlet flow channel (19).
3. A diaphragm pump with pressure protection according to claim 1, characterized in that the valve plate (17) is elastic rubber.
4. The diaphragm pump with pressure protection function according to claim 1, wherein the liquid inlet channel (18) and the liquid outlet channel (16) are of a double-channel structure, and the liquid inlet channel (15) and the liquid outlet channel (19) are of a single-channel structure.
5. A membrane pump with pressure protection according to claim 1, characterized in that the connection wires of the circuit board (3) are electrically connected with the motor control module of the membrane pump body (11) through the wire outlet seal (9).
6. A membrane pump with pressure protection according to claim 1 or 5, characterized in that the motor control module of the membrane pump body (11) is a PLC module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867843.9U CN213205944U (en) | 2020-09-01 | 2020-09-01 | Diaphragm pump with pressure protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021867843.9U CN213205944U (en) | 2020-09-01 | 2020-09-01 | Diaphragm pump with pressure protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213205944U true CN213205944U (en) | 2021-05-14 |
Family
ID=75842658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021867843.9U Active CN213205944U (en) | 2020-09-01 | 2020-09-01 | Diaphragm pump with pressure protection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213205944U (en) |
-
2020
- 2020-09-01 CN CN202021867843.9U patent/CN213205944U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213205944U (en) | Diaphragm pump with pressure protection function | |
| CN213808017U (en) | Diaphragm pump capable of inputting constant pressure | |
| CN213236245U (en) | Check valve component with filter screen and faucet valve body | |
| CN201535238U (en) | Pump head of positive displacement pump | |
| CN213205935U (en) | Diaphragm pump capable of detecting liquid state | |
| CN110030450A (en) | One kind can monitor Liquid connector | |
| CN214373102U (en) | Waterproof protection mechanism of automobile pressure sensor | |
| CN213205934U (en) | Diaphragm pump capable of outputting at constant pressure | |
| CN210240691U (en) | Water inlet valve of gas heating water heater | |
| CN217538987U (en) | Pump end cover free of pipeline connection | |
| CN106931208B (en) | Pressure-reducing and flow-stabilizing valve applied to flushing toilet cover | |
| CN211874697U (en) | Anti-siphon diaphragm pump | |
| CN215950516U (en) | Electric anti-backflow plug valve | |
| CN209817011U (en) | Pressure relief water stop structure | |
| CN217542223U (en) | Pressure sensor with drainage valve | |
| CN217976800U (en) | Oil leakage prevention shell for electro-hydraulic servo valve | |
| CN219317132U (en) | Inflating pump with pressure detection function | |
| CN212568268U (en) | Pipe fitting socket pressure testing device | |
| CN210423831U (en) | Low-resistance backflow preventer | |
| CN214500062U (en) | Stop valve | |
| CN214861566U (en) | Filter | |
| CN214305349U (en) | Novel valve core seat | |
| CN218913848U (en) | Quick draining decompression type backflow preventer | |
| CN217683413U (en) | Check valve and water tank | |
| CN215415621U (en) | Structure of conductivity meter dismouting leak protection water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |