CN214464812U - Sealing device of pneumatic diaphragm pump - Google Patents
Sealing device of pneumatic diaphragm pump Download PDFInfo
- Publication number
- CN214464812U CN214464812U CN202021884085.1U CN202021884085U CN214464812U CN 214464812 U CN214464812 U CN 214464812U CN 202021884085 U CN202021884085 U CN 202021884085U CN 214464812 U CN214464812 U CN 214464812U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- shell
- diaphragm pump
- membrane
- pressure boost
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 239000012528 membrane Substances 0.000 claims abstract description 27
- 230000008961 swelling Effects 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 8
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005213 imbibition Methods 0.000 abstract description 3
- 210000003454 tympanic membrane Anatomy 0.000 abstract 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a sealing device of pneumatic diaphragm pump, which comprises an outer shell, the inside fluid passage that is equipped with of shell, shell one side is equipped with the feed inlet, the feed inlet is linked together with fluid passage, fluid passage one side is equipped with the drumming membrane, drumming membrane one side is equipped with the pressure boost chamber, the pressure boost chamber separates with fluid passage through the drumming membrane. The utility model discloses a to the inside pressure boost of aerifing of pressure boost intracavity, make the inside gaseous inflation in pressure boost chamber, make liquid in the tympanic membrane extrusion liquid passageway, play the imbibition effect, fill inside gaseous inflow shifting chute, through the transfer line, flow in opposite side pressure boost chamber, thereby make the opposite side make liquid in the tympanic membrane extrusion liquid passageway, thereby make the inside liquid of liquid passageway advance from the feed inlet, go out from the discharge gate, at the in-process that the connecting rod removed, the movable block moves along with the connecting rod, then the rubber pad is sealed the gap that produces between connecting rod and the casing at the removal in-process.
Description
Technical Field
The utility model belongs to the technical field of pneumatic diaphragm pump, concretely relates to sealing device of pneumatic diaphragm pump.
Background
The pneumatic diaphragm pump is a new type of conveying machinery, and adopts compressed air as power source, and can pump out and suck up various corrosive liquids, liquids with particles, high viscosity, easy volatilization, flammability and strong toxicity.
The prior art has the following problems: when the existing pneumatic diaphragm pump is used, the sealing property between the two pressurizing cavities is good, and the bulging membrane can not be easily bulged, so that the device can not normally run.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sealing device of pneumatic diaphragm pump to when solving the current pneumatic diaphragm pump that proposes among the above-mentioned background art and using, the leakproofness is good between two pressure boost chambeies, makes the unable drumming of drumming membrane easily, makes the unable normal operating's of device problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealing device of pneumatic diaphragm pump, includes the shell, the inside fluid passage that is equipped with of shell, shell one side is equipped with the feed inlet, the feed inlet is linked together with fluid passage, fluid passage one side is equipped with the drumming membrane, drumming membrane one side is equipped with the pressure boost chamber, the pressure boost chamber separates with fluid passage through the drumming membrane, the one side that the drumming membrane was kept away from in the pressure boost chamber is equipped with sealed leak protection mechanism.
Preferably, sealed leak protection mechanism includes casing, hinders and separates chamber, movable block, rubber pad, sealing washer, spout, casing and shell internal weld, it is the vacuum to hinder to separate the chamber inside, hinder and separate chamber and casing formula structure as an organic whole, the casing runs through and is equipped with the connecting rod, the movable block welds with the connecting rod, the rubber pad glues fixed connection through 3M with the movable block connecting rod and movable block formula structure as an organic whole, spout and sealed cowling formula structure as an organic whole.
Preferably, the sealing ring is fixedly connected with the inside of the shell, the sealing cover penetrates through the shell, the sliding groove is matched with the moving block, and the rubber pad is attached to the inner wall of the sliding groove.
Preferably, a moving groove is formed in the top of the connecting rod, a transmission rod penetrates through the middle of the moving groove, and the moving groove is communicated with the pressurizing cavity.
Preferably, the transmission rod is welded with the connecting rod, and the drumming membrane is made of a corrosion-resistant material.
Compared with the prior art, the utility model provides a sealing device of pneumatic diaphragm pump possesses following beneficial effect:
the utility model discloses a to the inside pressure boost of aerifing of pressure boost intracavity, make the inside gaseous inflation in pressure boost chamber, make liquid in the membrane extrusion liquid channel of bulging, play the imbibition effect, fill inside gaseous inflow shifting chute, through the transfer line, flow in opposite side pressure boost chamber, thereby make the opposite side make liquid in the membrane extrusion liquid channel of bulging, thereby make the inside liquid of liquid channel advance from the feed inlet, go out from the discharge gate, accomplish the flow of imbibition, at the in-process that the connecting rod removed, the movable block removes along with the connecting rod, then the rubber pad seals the gap that produces between connecting rod and the casing at the removal in-process.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
fig. 1 is a schematic overall structure diagram of the present invention;
FIG. 2 is a schematic structural view of the sealing and leakage-proof mechanism of the present invention;
in the figure: 2. a feed inlet; 3. a pressurizing cavity; 4. a liquid channel; 5. a moving groove; 6. a transmission rod; 7. A connecting rod; 8. a sealing cover; 9. agitating the membrane; 10. a housing; 11. a housing; 12. blocking the compartment; 13. a moving block; 14. a rubber pad; 15. a seal ring; 16. a chute.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a sealing device for a pneumatic diaphragm pump, which comprises a housing 10, a liquid channel 4 is disposed inside the housing 10, a feed inlet 2 is disposed on one side of the housing 10, the feed inlet 2 is communicated with the liquid channel 4, a swelling membrane 9 is disposed on one side of the liquid channel 4, the swelling membrane 9 is disposed to push the liquid inside the liquid channel 4 to flow, a pressurizing cavity 3 is disposed on one side of the swelling membrane 9, the pressurizing cavity 3 is disposed to facilitate the liquid to drive a connecting rod 7 to move back and forth to push against the swelling membrane 9, the pressurizing cavity 3 is separated from the liquid channel 4 by the swelling membrane 9, a sealing and leakage-proof mechanism is disposed on one side of the pressurizing cavity 3 away from the swelling membrane 9, the sealing and leakage-proof mechanism comprises a housing 11, a separating cavity 12, a moving block 13, a rubber pad 14, a sealing ring 15 and a sliding groove 16, the housing 11 is welded inside the housing 10, the inner part of the separation-blocking cavity 12 is vacuum, the separation-blocking cavity 12 is arranged to improve the sealing effect, the separation-blocking cavity 12 and the shell 11 are of an integrated structure, the shell 11 is provided with a connecting rod 7 in a penetrating way, the moving block 13 is welded with the connecting rod 7, the rubber pad 14 is fixedly connected with the moving block 13 through 3M glue, the sealing ring 15 is fixedly connected with the inside of the shell 11, the sealing cover 8 penetrates through the shell 11, the sliding groove 16 is matched with the moving block 13, the rubber pad 14 is attached to the inner wall of the sliding groove 16, the connecting rod 7 and the moving block 13 are of an integrated structure, the chute 16 and the sealing cover 8 are of an integrated structure, the top of the connecting rod 7 is provided with a moving groove 5, the middle part of the moving groove 5 is provided with a transmission rod 6 in a penetrating way, the moving groove 5 is communicated with the pressurizing cavity 3, the transmission rod 6 is welded with the connecting rod 7, and the swelling membrane 9 is made of corrosion-resistant materials.
The utility model discloses a theory of operation and use flow: when the liquid sucking device is used, firstly, the inside of the pressurizing cavity 3 is inflated and pressurized, so that the gas inside the pressurizing cavity 3 expands, the drum membrane 9 is enabled to extrude liquid in the liquid channel 4 to play a liquid sucking role, the inflated gas flows into the inside of the moving groove 5 and flows into the pressurizing cavity 3 on the other side through the transmission rod 6, so that the drum membrane 9 is enabled to extrude the liquid in the liquid channel 4 on the other side, the liquid in the liquid channel 4 is enabled to enter from the feeding hole and exit from the discharging hole, and a liquid sucking flow is completed.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A sealing arrangement for an air operated diaphragm pump comprising a housing (10), characterized in that: the improved liquid container is characterized in that a liquid channel (4) is arranged inside the shell (10), a feed inlet (2) is formed in one side of the shell (10), the feed inlet (2) is communicated with the liquid channel (4), a swelling membrane (9) is arranged on one side of the liquid channel (4), a pressurizing cavity (3) is arranged on one side of the swelling membrane (9), the pressurizing cavity (3) is separated from the liquid channel (4) through the swelling membrane (9), and a sealing and leakage-proof mechanism is arranged on one side, away from the swelling membrane (9), of the pressurizing cavity (3).
2. A sealing arrangement for an air operated diaphragm pump according to claim 1, wherein: sealed leak protection mechanism includes casing (11), separation chamber (12), movable block (13), rubber pad (14), sealing washer (15), spout (16), casing (11) and shell (10) internal weld, it is the vacuum to hinder to separate chamber (12) inside, hinder and separate chamber (12) and casing (11) formula structure as an organic whole, casing (11) run through and are equipped with connecting rod (7), movable block (13) and connecting rod (7) welding, rubber pad (14) glue the fixed connection through 3M with movable block (13), connecting rod (7) and movable block (13) formula structure as an organic whole, spout (16) and sealed cowling (8) formula structure as an organic whole.
3. A sealing arrangement for an air operated diaphragm pump according to claim 2, wherein: the sealing ring (15) is fixedly connected with the inside of the shell (11), the sealing cover (8) penetrates through the shell (11), the sliding groove (16) is matched with the moving block (13), and the rubber pad (14) is attached to the inner wall of the sliding groove (16).
4. A sealing arrangement for an air operated diaphragm pump according to claim 2, wherein: the top of the connecting rod (7) is provided with a moving groove (5), the middle of the moving groove (5) is provided with a transmission rod (6) in a penetrating way, and the moving groove (5) is communicated with the pressurizing cavity (3).
5. A sealing arrangement for an air operated diaphragm pump according to claim 4, wherein: the transmission rod (6) is welded with the connecting rod (7), and the swelling membrane (9) is made of corrosion-resistant materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884085.1U CN214464812U (en) | 2020-09-02 | 2020-09-02 | Sealing device of pneumatic diaphragm pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884085.1U CN214464812U (en) | 2020-09-02 | 2020-09-02 | Sealing device of pneumatic diaphragm pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464812U true CN214464812U (en) | 2021-10-22 |
Family
ID=78106941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021884085.1U Expired - Fee Related CN214464812U (en) | 2020-09-02 | 2020-09-02 | Sealing device of pneumatic diaphragm pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464812U (en) |
-
2020
- 2020-09-02 CN CN202021884085.1U patent/CN214464812U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |