CN217813867U - Cast iron type diaphragm row of diaphragm pump - Google Patents
Cast iron type diaphragm row of diaphragm pump Download PDFInfo
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- CN217813867U CN217813867U CN202221450004.6U CN202221450004U CN217813867U CN 217813867 U CN217813867 U CN 217813867U CN 202221450004 U CN202221450004 U CN 202221450004U CN 217813867 U CN217813867 U CN 217813867U
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Abstract
The utility model belongs to the diaphragm pump field, especially, a cast iron formula diaphragm row of diaphragm pump to current under the too big or no medium condition of pressure, the condition that interior clamp plate striking diaphragm row appears easily, thereby long-term striking leads to diaphragm row to split easily and leak gas, leads to the problem that the diaphragm pump can not normally work, now proposes following scheme, and it includes the midbody, one side of midbody is equipped with air inlet and gas outlet, the equal fixedly connected with diaphragm row in both sides of midbody, two fixedly connected with is used for the pipeline of transport medium between the both sides of diaphragm row, one side fixedly connected with import flange and the outlet flange of pipeline, the utility model discloses in, can avoid interior pressure pole directly to strike diaphragm row, provide certain protection for diaphragm row, can improve the intensity and the toughness of diaphragm row through changing the material, simultaneously can reduce cost, still can facilitate for people's maintenance operation.
Description
Technical Field
The utility model relates to a diaphragm pump technical field especially relates to a cast iron formula diaphragm row of diaphragm pump.
Background
Two diaphragms are respectively arranged in two symmetrical working cavities of the pneumatic diaphragm pump, the two symmetrical working cavities are connected into a whole through a diaphragm rod, compressed air is used as power, the compressed air alternately drives the diaphragms at the two ends of the pneumatic diaphragm pump through the control of a pneumatic valve, so that the volumes of the diaphragms, a closed cavity formed by an inlet/outlet valve and a pump body are changed, and the transmission of a medium from an inlet to an outlet is completed.
The diaphragm row of current diaphragm pump generally adopts the aluminum alloy material to make, and the material is more fragile, and the diaphragm pump is at the during operation, under the too big or no medium's of pressure condition, the condition that interior clamp plate striking diaphragm row appears easily, thereby the long-term striking leads to diaphragm row easy cracking gas leakage, leads to the diaphragm pump can not normally work, consequently provides the cast iron formula diaphragm of a diaphragm pump and arranges.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and exist among the prior art under the too big or no medium's of pressure the condition that interior clamp plate striking diaphragm was arranged appears easily, thereby long-term striking leads to the diaphragm to arrange the fracture easily and leaks gas, leads to the shortcoming that the diaphragm pump can not normally work, and the cast iron formula diaphragm row of a diaphragm pump that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a cast iron type diaphragm row of a diaphragm pump comprises an intermediate body, wherein an air inlet and an air outlet are formed in one side of the intermediate body, diaphragm rows are fixedly connected to two sides of the intermediate body, a pipeline for conveying media is fixedly connected between two sides of the two diaphragm rows, an inlet flange and an outlet flange are fixedly connected to one side of the pipeline, and two upper spheres and two lower spheres for sealing the pipeline are arranged in the pipeline;
a diaphragm rod is arranged in the intermediate body, two ends of the diaphragm rod respectively penetrate through the two diaphragm rows and are fixedly connected with inner compression rods, and diaphragms used for adjusting media are arranged on the circumferential outer walls of the two inner compression rods;
two equal fixedly connected with fixed plate in one side of diaphragm row, two a plurality of bumping posts of the equal fixedly connected with in one side of fixed plate, a plurality of homonymy the same connecting plate of the equal fixedly connected with in one end of bumping post.
Preferably, the bumping post includes first connecting cylinder and second connecting cylinder, first connecting cylinder fixed connection is in one side of fixed plate, second connecting cylinder fixed connection is in one side of connecting plate, first connecting cylinder and second connecting cylinder sliding connection, fixedly connected with spring between first connecting cylinder and the second connecting cylinder.
Preferably, one side of each of the two fixing plates is fixedly connected with a plurality of positioning plates, and the positioning plates on the same side are slidably connected with the connecting plate.
Preferably, the pipeline is fixedly installed in a sectional mode.
Preferably, the two diaphragm rows are made of nodular cast iron.
Preferably, the outlet flange is arranged vertically upwards.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the setting of fixed plate, buffering post and connecting plate, at diaphragm pump during operation, when the pipeline internal pressure is too big or when no medium, the connecting plate can be strikeed to interior clamp plate, and the buffering post provides certain buffering for the connecting plate, avoids appearing the direct circumstances of striking diaphragm row of interior pressure pole, arranges for the diaphragm and provides certain protection.
2. Through the arrangement of the diaphragm row material, the aluminum alloy is low in hardness, poor in toughness and crisp, the nodular cast iron is high in strength and toughness, the service life of the diaphragm pump can be prolonged, the manufacturing cost of the nodular cast iron is lower than that of the aluminum alloy, and the investment cost is reduced.
3. Through the setting of pipeline sectional type, after the diaphragm pump is used for a long time, need carry out certain maintenance to the diaphragm pump and maintain, the sectional type installation of pipeline can make things convenient for people to dismantle the partial pipeline of damage, need not all dismantle the pipeline get off, provides certain facility for people's maintenance operation.
The utility model discloses in, can avoid interior pressure pole directly to strike the diaphragm row, for the diaphragm row provides certain protection, can improve the intensity and the toughness that the diaphragm was arranged through changing the material, simultaneously can reduce cost, still can facilitate for people's maintenance operation.
Drawings
Fig. 1 is a schematic front view of a cast iron type diaphragm row of a diaphragm pump according to the present invention;
fig. 2 is a schematic diagram of an internal structure of a cast iron type diaphragm row of the diaphragm pump according to the present invention;
fig. 3 is a schematic diagram of a diaphragm row structure of a cast iron type diaphragm row of the diaphragm pump according to the present invention;
fig. 4 is a schematic structural view of a fixing plate and a connecting plate of a cast iron type diaphragm row of the diaphragm pump according to the present invention;
fig. 5 is a schematic diagram of a separation structure of a fixed plate and a connecting plate of a cast iron type diaphragm row of the diaphragm pump according to the present invention;
fig. 6 is a schematic diagram of a separation structure of a buffer column of a cast iron type diaphragm row of the diaphragm pump according to the present invention;
fig. 7 is a schematic structural view of an embodiment of the present invention, which is installed vertically upward, of an outlet flange of a cast iron type diaphragm row of a diaphragm pump.
In the figure: 1. an intermediate; 2. an air inlet; 3. an air outlet; 4. a row of diaphragms; 5. a pipeline; 6. an inlet flange; 7. an outlet flange; 8. an upper sphere; 9. a lower sphere; 10. a diaphragm rod; 11. an inner compression bar; 12. a fixing plate; 13. a buffer column; 14. a connecting plate; 15. positioning a plate; 16. a first connecting cylinder; 17. a second connecting cylinder; 18. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Example one
Referring to fig. 1-6, the utility model provides a new technical solution: a cast iron type diaphragm row of a diaphragm pump comprises an intermediate body 1, wherein an air inlet 2 and an air outlet 3 are arranged on one side of the intermediate body 1, diaphragm rows 4 are fixedly connected to the two sides of the intermediate body 1, the two diaphragm rows 4 are made of nodular cast iron, the aluminum alloy is low in hardness and poor in toughness and is crisp, the nodular cast iron has high strength and toughness and can prolong the service life of the diaphragm pump, the manufacturing cost of the nodular cast iron is lower than that of the aluminum alloy, the investment cost is reduced, a pipeline 5 for conveying media is fixedly connected between the two sides of the two diaphragm rows 4, the pipeline 5 is fixedly installed in a sectional mode, after the diaphragm pump is used for a long time, the diaphragm pump needs to be overhauled and maintained to a certain extent, the sectional installation of the pipeline 5 can facilitate people to dismantle a damaged part of the pipeline 5, and all the pipelines 5 do not need to be dismantled, the device provides certain convenience for overhauling operation of people, one side of a pipeline 5 is fixedly connected with an inlet flange 6 and an outlet flange 7, the outlet flange 7 is horizontally arranged, two upper spheres 8 and two lower spheres 9 for sealing the pipeline 5 are arranged in the pipeline 5, a diaphragm rod 10 is arranged in the intermediate body 1, two ends of the diaphragm rod 10 respectively penetrate through two diaphragm rows 4 and are fixedly connected with inner pressure rods 11, the circumferential outer walls of the two inner pressure rods 11 are respectively provided with a diaphragm for regulating a medium, when the diaphragm rod 10 moves to the left side, the diaphragm on the left side pushes the medium to further push the lower spheres 9 to seal the pipeline 5, meanwhile, the medium pushes the upper spheres 8 to unseal the pipeline 5, then the medium flows out of the outlet flange 7 through the pipeline 5, when the diaphragm rod 10 moves to the right side, under the condition of negative pressure, the upper spheres 8 seal the pipeline, and the lower spheres 9 unseal the pipeline 5, at this moment, a medium flows into the pipeline 5 from the inlet flange 6, the upper ball 8 and the lower ball 9 on the right side are the same, the medium is conveyed in a reciprocating manner, the fixing plate 12 is fixedly connected to one side of each of the two diaphragm rows 4, the buffering posts 13 are fixedly connected to one side of each of the two fixing plates 12, the same connecting plate 14 is fixedly connected to one end of each of the buffering posts 13 on the same side, the buffering posts 13 comprise first connecting cylinders 16 and second connecting cylinders 17, the first connecting cylinders 16 are fixedly connected to one side of the fixing plates 12, the second connecting cylinders 17 are fixedly connected to one side of the connecting plates 14, the first connecting cylinders 16 are slidably connected to the second connecting cylinders 17, springs 18 are fixedly connected between the first connecting cylinders 16 and the second connecting cylinders 17, when the pressure in the pipeline 5 is too large or no medium exists, the inner pressure plate 11 can impact the connecting plate 14, the buffering posts 13 provide certain buffering for the connecting plates 14, the situation that the inner pressure rods 11 directly impact the diaphragm rows 4 is avoided, certain protection is provided for the rows 4, the connecting plates 15 are fixedly connected to the connecting plates 15, and the locating plates 14 can be located after long-term, and the locating of the connecting plates 14 can be located.
Example two
Referring to fig. 2-7, the utility model provides a new technical scheme: a cast iron type diaphragm row of a diaphragm pump comprises an intermediate body 1, wherein an air inlet 2 and an air outlet 3 are arranged on one side of the intermediate body 1, diaphragm rows 4 are fixedly connected to the two sides of the intermediate body 1, the two diaphragm rows 4 are made of nodular cast iron, the aluminum alloy is low in hardness and poor in toughness and is crisp, the nodular cast iron has high strength and toughness and can prolong the service life of the diaphragm pump, the manufacturing cost of the nodular cast iron is lower than that of the aluminum alloy, the investment cost is reduced, a pipeline 5 for conveying media is fixedly connected between the two sides of the two diaphragm rows 4, the pipeline 5 is fixedly installed in a sectional mode, after the diaphragm pump is used for a long time, certain overhauling and maintenance need to be carried out on the diaphragm pump, the sectional type installation of the pipeline 5 can facilitate people to disassemble a damaged part of the pipeline 5, all the pipelines 5 do not need to be disassembled, and certain convenience is provided for overhauling operation of people, one side of the pipeline 5 is fixedly connected with an inlet flange 6 and an outlet flange 7, the outlet flange 7 is vertically arranged upwards, the installation direction of the outlet flange 7 can be adjusted according to installation requirements, and also can be obliquely arranged at a certain angle, two upper spheres 8 and two lower spheres 9 for sealing the pipeline 5 are arranged in the pipeline 5, a membrane rod 10 is arranged in the intermediate 1, two ends of the membrane rod 10 respectively penetrate through two membrane rows 4 and are fixedly connected with inner pressure rods 11, the peripheral outer walls of the two inner pressure rods 11 are respectively provided with membranes for adjusting media, when the membrane rod 10 moves to the left side, the membrane on the left side pushes the media to further push the lower spheres 9 to seal the pipeline 5, meanwhile, the media pushes the upper spheres 8 to unseal the pipeline 5, then the media flows out of the outlet flange 7 through the pipeline 5, when the membrane rod 10 moves to the right side, under the condition of negative pressure, the upper sphere 8 seals the pipeline, the lower sphere 9 unlocks the seal of the pipeline 5, at the moment, a medium flows into the pipeline 5 from the inlet flange 6, the upper sphere 8 on the right side and the lower sphere 9 are in the same reason, the medium is conveyed in such a reciprocating cycle, one side of each of the two diaphragm rows 4 is fixedly connected with a fixing plate 12, one side of each of the two fixing plates 12 is fixedly connected with a plurality of buffer columns 13, one end of each of the plurality of buffer columns 13 on the same side is fixedly connected with the same connecting plate 14, each buffer column 13 comprises a first connecting cylinder 16 and a second connecting cylinder 17, the first connecting cylinder 16 is fixedly connected to one side of each of the fixing plates 12, the second connecting cylinder 17 is fixedly connected to one side of each of the connecting plate 14, the first connecting cylinder 16 is slidably connected with the second connecting cylinder 17, a spring 18 is fixedly connected between the first connecting cylinder 16 and the second connecting cylinder 17, when the pipeline 5 is too large or has no medium, the inner pressure plate 11 can impact the connecting plate 14, the pressure in the buffer columns 13 provides certain buffer for the connecting plate 14, the condition that the inner pressure rod 11 directly impacts the diaphragm rows 4 is prevented, a certain protection positioning plate 15 for the diaphragm rows 4, the corresponding side of the corresponding positioning plate 15, and the positioning plate 15 can prevent the positioning plate 14 from long-term displacement of the corresponding to occur.
The working principle is as follows: when the diaphragm pump works, compressed gas is introduced from the gas inlet 2, a medium is introduced from the inlet flange 6, the compressed gas enters the intermediate body 1 and drives the diaphragm rod 10 to reciprocate left and right through the control of the gas valve, and then drives the diaphragm to reciprocate left, when the diaphragm rod 10 moves to the left, the diaphragm on the left pushes the medium and then pushes the lower ball 9 to seal the pipeline 5, meanwhile, the medium pushes the upper ball 8 to unseal the pipeline 5, then the medium flows out from the outlet flange 7 through the pipeline 5, when the diaphragm rod 10 moves to the right, under the condition of negative pressure, the upper ball 8 seals the pipeline, the lower ball 9 unseals the pipeline 5, at the moment, the medium flows into the pipeline 5 from the inlet flange 6, the upper ball 8 and the lower ball 9 on the right side similarly, the medium is conveyed through the reciprocating circulation, when the pressure in the pipeline is too large or no medium exists, the diaphragm rod 10 drives the inner pressure rod 11 to collide with the connecting plate 14, the connecting plate 14 pushes the second connecting cylinder 17 to move, the second connecting cylinder 17 pushes the spring 18 to compress, the connecting plate 14 provides a buffer, and when the inner pressure rod 11 leaves the connecting plate 14, and then pushes the second connecting cylinder 17 to reset.
However, as is well known to those skilled in the art, the working principle and wiring method of the diaphragm pump are common and are conventional means or common knowledge, and will not be described herein, and those skilled in the art can make any choice according to their needs or convenience.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A cast iron type diaphragm row of a diaphragm pump comprises a middle body (1), and is characterized in that an air inlet (2) and an air outlet (3) are arranged on one side of the middle body (1), diaphragm rows (4) are fixedly connected to both sides of the middle body (1), a pipeline (5) for conveying a medium is fixedly connected between both sides of the two diaphragm rows (4), an inlet flange (6) and an outlet flange (7) are fixedly connected to one side of the pipeline (5), and two upper spheres (8) and two lower spheres (9) for sealing the pipeline (5) are arranged in the pipeline (5);
a diaphragm rod (10) is arranged in the intermediate body (1), two ends of the diaphragm rod (10) respectively penetrate through the two diaphragm rows (4) and are fixedly connected with inner compression rods (11), and diaphragms used for adjusting media are arranged on the circumferential outer walls of the two inner compression rods (11);
two equal fixedly connected with fixed plate (12) in one side of diaphragm row (4), two a plurality of buffer column (13) of the equal fixedly connected with in one side of fixed plate (12), a plurality of homonymy the same connecting plate (14) of the equal fixedly connected with of one end of buffer column (13).
2. Cast iron diaphragm bank of a diaphragm pump according to claim 1, wherein the damping strut (13) comprises a first connecting cylinder (16) and a second connecting cylinder (17), the first connecting cylinder (16) being fixedly connected to one side of the fixing plate (12), the second connecting cylinder (17) being fixedly connected to one side of the connecting plate (14), the first connecting cylinder (16) and the second connecting cylinder (17) being slidably connected, a spring (18) being fixedly connected between the first connecting cylinder (16) and the second connecting cylinder (17).
3. The cast iron type diaphragm row of a diaphragm pump according to claim 1, wherein a plurality of positioning plates (15) are fixedly connected to one side of each of the two fixing plates (12), and a plurality of positioning plates (15) on the same side are slidably connected to the connecting plate (14).
4. Cast iron diaphragm row of a diaphragm pump according to claim 1, characterized in that the pipe (5) is fixedly mounted in segments.
5. Cast iron diaphragm row of a diaphragm pump according to claim 1, characterized in that both diaphragm rows (4) are of nodular cast iron.
6. Cast iron diaphragm row of a diaphragm pump according to any of claims 1-5, characterized in that the outlet flange (7) is arranged vertically upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221450004.6U CN217813867U (en) | 2022-06-10 | 2022-06-10 | Cast iron type diaphragm row of diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221450004.6U CN217813867U (en) | 2022-06-10 | 2022-06-10 | Cast iron type diaphragm row of diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217813867U true CN217813867U (en) | 2022-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221450004.6U Active CN217813867U (en) | 2022-06-10 | 2022-06-10 | Cast iron type diaphragm row of diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217813867U (en) |
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2022
- 2022-06-10 CN CN202221450004.6U patent/CN217813867U/en active Active
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