CN213450785U - Energy-saving pneumatic diaphragm pump with diaphragm breakage alarm function - Google Patents
Energy-saving pneumatic diaphragm pump with diaphragm breakage alarm function Download PDFInfo
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- CN213450785U CN213450785U CN202020498391.5U CN202020498391U CN213450785U CN 213450785 U CN213450785 U CN 213450785U CN 202020498391 U CN202020498391 U CN 202020498391U CN 213450785 U CN213450785 U CN 213450785U
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Abstract
The utility model provides an energy-saving pneumatic diaphragm pump with a diaphragm damage alarm function, which comprises an intermediate body, a central shaft, a piston, a side cover, an upper cover, a lower cover and an air valve, wherein the center of the intermediate body is provided with a central through hole along the axis; the central shaft is hermetically arranged in the central through hole through a first sealing ring; side covers are arranged on two sides of the intermediate body; the upper part and the lower part of the side cover are respectively provided with an upper cover and a lower cover; two ends of the central shaft are provided with diaphragms; a piston is further arranged between the middle position of the central shaft and the diaphragm; the diaphragm and piston divide the space between the side cover and the intermediate body into a fluid chamber, a closed chamber and an air chamber. The utility model discloses install the piston between center pin intermediate position and diaphragm and cut apart into fluid chamber, sealed chamber and air chamber, energy-conserving safety with the space between side cap and the midbody.
Description
Technical Field
The utility model relates to a pneumatic diaphragm pump.
Background
The pneumatic diaphragm pump is a novel fluid conveying device, adopts compressed air as a power source, can pump out various corrosive liquids, liquids with particles, liquids with high viscosity, volatility, flammability and toxicity and powder, is produced in large scale at present, and has high product quality. The pump features no need of water tank, pumping flowing liquid and conveying medium, and has all functions of submersible pump, self-sucking pump, impurity pump, shield pump and slurry pump and many features of conveying machine, and may be divided into plastic pneumatic diaphragm pump and metal pneumatic diaphragm pump.
The pneumatic diaphragm pump of prior art promotes the diaphragm action by the direct action of driving gas at pneumatic diaphragm pump diaphragm, and is discharged to the pneumatic diaphragm pump outside by the pneumatic valve again by the air chamber of transported substance process diaphragm one side when the diaphragm is damaged and leads to the material to leak, and the air chamber of this structure diaphragm one side is banked up the gas space greatly, so the air consumption is big, and use cost is high, and is leaked to the external environment of pump and causes the pollution because of the diaphragm is damaged easily by transported substance.
Disclosure of Invention
Because of the above-mentioned problem of prior art, the utility model provides an energy-conserving type pneumatic diaphragm pump of area diaphragm damage alarming function, it can effectual solution above-mentioned problem.
The technical scheme adopted by the utility model for solving the technical problems is to provide an energy-saving pneumatic diaphragm pump with a diaphragm damage alarm function, which comprises an intermediate body, a central shaft, a piston, a side cover, an upper cover, a lower cover and an air valve, wherein the center of the intermediate body is provided with a central through hole along the axis, the side wall of the central through hole is also provided with a first sealing ring mounting groove, and a first sealing ring is mounted in the first sealing ring mounting groove; the central shaft is hermetically arranged in the central through hole through a first sealing ring; side covers are arranged on two sides of the intermediate body; the upper part and the lower part of the side cover are respectively provided with an upper cover and a lower cover; check valves are further mounted inside the joints of the side covers and the upper cover and the lower cover; two ends of the central shaft are provided with diaphragms; a piston is further arranged between the middle position of the central shaft and the diaphragm; the diaphragm and the piston divide the space between the side cover and the middle body into a fluid cavity, a closed chamber and an air cavity; and an air valve is also arranged outside the intermediate body.
Furthermore, a thimble mounting hole is arranged at a position of the intermediate body, which is parallel to the central through hole and deviates from the set distance, and the thimble mounting hole is used for communicating air cavities at two sides of the intermediate body; a thimble is arranged in the thimble mounting hole; a second sealing ring mounting groove is formed in the outer wall of the thimble; and a second sealing ring is arranged in the second sealing ring mounting groove to seal the thimble and the thimble mounting hole.
Furthermore, an alarm detection hole is formed in the intermediate body, and the alarm detection hole enables the closed chamber to be communicated with the outside of the intermediate body.
Further, the outer wall of the cylinder of the piston is provided with a third sealing ring mounting groove, and a third sealing ring is mounted in the third sealing ring mounting groove to seal the piston and the inner wall of the intermediate body.
Furthermore, a thimble mounting hole is formed in the position, parallel to the central through hole and deviated from the set distance, of the intermediate body; two feedback vent holes, two driving vent holes, an exhaust hole and an air valve mounting hole are formed outside the intermediate body; the feedback vent hole and the exhaust hole are communicated to the side wall of the thimble mounting hole and communicated with the thimble mounting hole; the two driving vent holes are respectively communicated to the air cavities at two sides of the intermediate body.
Furthermore, two feedback vent holes are formed in the outer part of the intermediate body; the air valve is provided with two receiving vent holes; the two receiving vent holes are respectively communicated with the feedback vent hole on the intermediate body.
The utility model has the advantages that: the utility model provides a pair of energy-conserving take pneumatic diaphragm pump of damaged alarming function of diaphragm installs the piston between center pin intermediate position and diaphragm and cuts apart into fluid chamber, closed chamber and air chamber with the space between side cap and the midbody, reduces the gas storage space of air chamber greatly, and the air consumption obviously reduces, and is energy-conserving to reduce use cost to separate closed chamber and air chamber through the piston, stopped because of the damaged leakage risk that leads to the material to get into the pneumatic valve that leads to of diaphragm.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is an exploded schematic view of the present invention;
fig. 2 is a schematic cross-sectional view of a middle body and a first sealing ring of the present invention;
fig. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is a front view of the intermediate body of the present invention;
fig. 5 is a schematic cross-sectional view of a piston and a third seal ring of the present invention;
fig. 6 is a schematic sectional view of the thimble and the second sealing ring of the present invention;
FIG. 7 is a rear view of the air valve of the present invention;
fig. 8 is an outline structure of the present invention.
Detailed Description
The following further explains the specific embodiments of the present invention with reference to the drawings:
as shown in fig. 1, fig. 2, fig. 3, and fig. 8, the utility model provides an energy-saving pneumatic diaphragm pump with a diaphragm breakage warning function, including a middle body 251, a central shaft 252, a piston 258, a side cover 253, an upper cover 254, a lower cover 255, and an air valve 257, the middle body 251 is provided with a central through hole 2511 along the axis, the side wall of the central through hole 2511 is further provided with a first sealing ring mounting groove 2512, and a first sealing ring 2513 is installed in the first sealing ring mounting groove 2512; the central shaft 252 is hermetically installed in the central through hole 2511 through a first sealing ring 2513; side covers 253 are arranged on two sides of the middle body 251; the upper and lower parts of the side cover 253 are respectively provided with an upper cover 254 and a lower cover 255; a check valve 2 is also arranged inside the joint of the side cover 253 and the upper cover 254 and the lower cover 255; two ends of the central shaft 252 are provided with diaphragms 8; a piston 258 is further arranged between the middle position of the central shaft 252 and the diaphragm 8; the diaphragm 8, the piston 258 divide the space between the side cover 253 and the middle body 251 into a fluid chamber 11, a closed chamber 13 and an air chamber 12; a gas valve 257 is also installed outside the middle body 251.
As shown in fig. 2, 3 and 6, a thimble mounting hole 2514 is provided at a position where the middle body 251 is parallel to the central through hole 2511 and is offset by a set distance, and the thimble mounting hole 2514 communicates the air cavities 12 on both sides of the middle body 251; a thimble 256 is mounted in the thimble mounting hole 2514; a second sealing ring mounting groove 2561 is formed in the outer wall of the thimble 256; and a second sealing ring 2562 is arranged in the second sealing ring mounting groove 2561 to seal the thimble 256 and the thimble mounting hole 2514.
As shown in fig. 2 and 3, an alarm detection hole 2519 is further formed in the intermediate body 251, and the alarm detection hole 2519 communicates the sealed chamber 13 with the outside of the intermediate body 251.
As shown in fig. 1, 3 and 5, a third sealing ring mounting groove 2581 is formed in the cylindrical outer wall of the piston 258, and a third sealing ring 2582 is mounted in the third sealing ring mounting groove 2581 to seal the piston 258 with the inner wall of the intermediate body 251.
As shown in fig. 1, 2, 3, and 4, an ejector pin mounting hole 2514 is disposed in the middle body 251 and the central through hole 2511 in parallel and offset by a predetermined distance; two feedback vent holes 2515, two driving vent holes 2517, an exhaust hole 2516 and an air valve mounting hole 2518 are arranged outside the middle body 251; the feedback vent hole 2515 and the exhaust hole 2516 are communicated with the side wall of the thimble mounting hole 2514 and communicated with the thimble mounting hole 2514; the two drive vents 2517 are connected to the air chambers 12 on either side of the central body 251.
As shown in fig. 4 and 7, two feedback vent holes 2515 are provided outside the middle body 251; the air valve 257 is provided with two receiving vent holes 2571; the two receiving vents 2571 are in communication with the feedback vents 2515 on the intermediate body 251, respectively.
The utility model discloses a working process includes: compressed air enters the air cavity 12 on one side of the intermediate body 251 through the air valve 257 to push the piston 258 and drive the central shaft 252 and the membrane 8 to move in a direction deviating from the intermediate body 251, after the compressed air moves to a set distance, the thimble 256 is forced to move and switches the direction of the air entering the air valve 257 to change the direction of the air valve 257 so as to drive the piston 258 and the membrane 8 to move in a reversing way and perform repeated circulation; when diaphragm 8 is broken, material in fluid chamber 11 enters the closed chamber and is leak tested through alarm test hole 2519.
The utility model provides a pair of energy-conserving pneumatic diaphragm pump of taking damaged alarming function of diaphragm, it splits into fluid chamber 11 with the space between side cap 253 and the midbody 251 to install piston 258 between center pin 252 intermediate position and diaphragm 8, airtight chamber 13 and air chamber 12, the air storage space of air chamber 12 that reduces greatly, the air consumption obviously reduces, energy-conservation reduces use cost, and separate airtight chamber 13 and air chamber 12 through piston 258, stopped because of the damaged leakage risk that leads to the material to get into pneumatic valve 257 of diaphragm 8.
The above description is only a preferred example of the present invention and should not be taken as limiting the invention, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An energy-saving pneumatic diaphragm pump with a diaphragm breakage alarm function comprises an intermediate body, a central shaft, a piston, a side cover, an upper cover, a lower cover and an air valve, and is characterized in that a central through hole is formed in the center of the intermediate body along the axis, a first sealing ring installation groove is further formed in the side wall of the central through hole, and a first sealing ring is installed in the first sealing ring installation groove; the central shaft is hermetically arranged in the central through hole through a first sealing ring; side covers are arranged on two sides of the intermediate body; the upper part and the lower part of the side cover are respectively provided with an upper cover and a lower cover; check valves are further mounted inside the joints of the side covers and the upper cover and the lower cover; two ends of the central shaft are provided with diaphragms; a piston is further arranged between the middle position of the central shaft and the diaphragm; the diaphragm and the piston divide the space between the side cover and the middle body into a fluid cavity, a closed chamber and an air cavity; and an air valve is also arranged outside the intermediate body.
2. The energy-saving pneumatic diaphragm pump with the diaphragm breakage warning function of claim 1, wherein a thimble mounting hole is arranged in the middle body in parallel with the central through hole and at a position deviated from the central through hole by a set distance, and the thimble mounting hole communicates air cavities at two sides of the middle body; a thimble is arranged in the thimble mounting hole; a second sealing ring mounting groove is formed in the outer wall of the thimble; and a second sealing ring is arranged in the second sealing ring mounting groove to seal the thimble and the thimble mounting hole.
3. The energy-saving pneumatic diaphragm pump with the diaphragm breakage warning function of claim 1, wherein the intermediate body is further provided with a warning detection hole, and the warning detection hole communicates the sealed chamber with the outside of the intermediate body.
4. The energy-saving pneumatic diaphragm pump with the diaphragm breakage warning function of claim 1, wherein a third sealing ring mounting groove is formed in the cylindrical outer wall of the piston, and a third sealing ring is mounted in the third sealing ring mounting groove to seal the piston with the inner wall of the intermediate body.
5. The energy-saving pneumatic diaphragm pump with the diaphragm breakage warning function of claim 1, wherein a thimble mounting hole is formed in the middle body, parallel to the central through hole and offset from the central through hole by a set distance; two feedback vent holes, two driving vent holes, an exhaust hole and an air valve mounting hole are formed outside the intermediate body; the feedback vent hole and the exhaust hole are communicated to the side wall of the thimble mounting hole and communicated with the thimble mounting hole; the two driving vent holes are respectively communicated to the air cavities at two sides of the intermediate body.
6. The energy-saving pneumatic diaphragm pump with the diaphragm breakage warning function of claim 1, wherein two feedback vent holes are arranged outside the intermediate body; the air valve is provided with two receiving vent holes; the two receiving vent holes are respectively communicated with the feedback vent hole on the intermediate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020498391.5U CN213450785U (en) | 2020-03-28 | 2020-03-28 | Energy-saving pneumatic diaphragm pump with diaphragm breakage alarm function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020498391.5U CN213450785U (en) | 2020-03-28 | 2020-03-28 | Energy-saving pneumatic diaphragm pump with diaphragm breakage alarm function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213450785U true CN213450785U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020498391.5U Active CN213450785U (en) | 2020-03-28 | 2020-03-28 | Energy-saving pneumatic diaphragm pump with diaphragm breakage alarm function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213450785U (en) |
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2020
- 2020-03-28 CN CN202020498391.5U patent/CN213450785U/en active Active
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