CN204253334U - A kind of membrane pump with pneumatic drive of a nut dismounting - Google Patents
A kind of membrane pump with pneumatic drive of a nut dismounting Download PDFInfo
- Publication number
- CN204253334U CN204253334U CN201420669729.3U CN201420669729U CN204253334U CN 204253334 U CN204253334 U CN 204253334U CN 201420669729 U CN201420669729 U CN 201420669729U CN 204253334 U CN204253334 U CN 204253334U
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- China
- Prior art keywords
- pump housing
- cover
- diaphragm
- valve core
- left cover
- 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
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- 239000012528 membrane Substances 0.000 title claims abstract description 16
- 239000012530 fluid Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
A membrane pump with pneumatic drive for a nut dismounting, comprises air valve, the pump housing, central shaft, left cover, right cover, and described pump housing center is provided with a U-shaped hole, installs a diaphragm push rod in this U-shaped hole; Described left cover, right cover are placed in pump housing both sides and left cover and the pump housing and each installation one diaphragm respectively between right cover and the pump housing respectively; The two ends of described both sides its center and diaphragm push rod are protected block outside block, diaphragm seal circle, diaphragm be connected and fixed by being protected in diaphragm; One end of described central shaft is through left cover pad and be integrally fixed with left cover pad after stretching out setpoint distance, and the other end is through left cover, the pump housing, diaphragm push rod, diaphragm, right cover be connected fastening with nut; The part that described central shaft stretches out left cover pad connects air valve; The top of the described pump housing connects a upper cover, and bottom connects the portion that covers, lower cover bottom, base successively.The utility model pump housing, left cover, right cover adopt a fastening nuts and without the air inlet commutation assembly of complexity, dismounting is extremely convenient, maintenance cost is low.
Description
Technical field
The utility model relates to a kind of membrane pump with pneumatic drive.
Background technique
Membrane pump with pneumatic drive is a kind of Novel conveyer tool; employing pressurized air is power source; for various corrosive liquids; with the liquid of particle; high viscosity, volatile, inflammable, hypertoxic liquid, and powder, all can be taken out light and be exhausted; form large-scale production at present, quality of product is well received.The main feature of this pump does not need tank diversion, the liquid of flowing can be pumped, some not runny media can be carried again, there are submersible pump, self-priming pump, transh pump, canned motorpump, all functions of slurry pump and many features of conveying mechanism, plastic pneumatic diaphragm pump and pneumatic metal diaphragm pump can be divided into.
The air cavity of the membrane pump with pneumatic drive of prior art and the connection of fluid chamber are all that the multiple screws by being distributed in a week are connected combination, and having complicated air inlet commutation assembly, accessory is many, fragile, when safeguarding, the multiple screw of dismounting is cumbersome and lose time, and user cost is high.
Summary of the invention
Due to the problems referred to above of prior art, the utility model provides a kind of membrane pump with pneumatic drive of a nut dismounting, and it can effectively solve the problem.
The utility model solves the problems of the technologies described above the membrane pump with pneumatic drive that adopted technological scheme is to provide an a kind of nut dismounting, comprise air valve, the pump housing, central shaft, left cover, right cover, described pump housing center is provided with a U-shaped hole, installs a diaphragm push rod and cross the pump housing and mistake by this U-shaped hole in this U-shaped hole; Described left cover, right cover are placed in pump housing both sides and left cover and the pump housing and respectively install a diaphragm between right cover and the pump housing respectively and be divided into air cavity and fluid chamber by between left cover, the pump housing, right cover respectively; The two ends of described both sides its center and diaphragm push rod are protected block outside block, diaphragm seal circle, diaphragm be connected and fixed by being protected in diaphragm; One end of described central shaft is through left cover pad and be integrally fixed with left cover pad after stretching out setpoint distance, and the other end is through left cover, the pump housing, diaphragm push rod, two latallaes, right cover be connected fastening with nut; The part that described central shaft stretches out left cover pad connects air valve; The top of the described pump housing connects a upper cover, and bottom connects the portion that covers, lower cover bottom, base successively, the described pump housing and install two safety check between upper cover and lower cover top respectively.
The side of the described pump housing is provided with two symmetrical through holes and is communicated to pump housing top one safety check and bottom one safety check respectively, and the opposite side of the described pump housing is provided with two symmetrical through holes and is communicated to another safety check of pump housing top and another safety check of bottom respectively.
Described safety check comprises ball stopper block, ball, ball seat, seal ring, described ball seat is fixed on the pump housing and lower cover bottom by seal ring, described ball stopper block is placed on ball seat, described ball is placed in ball seat in the heart and under ball stopper block, and the described ball seat the other end is fixed on upper cover and lower cover top by ball stopper block.
Described air valve comprises air valve body, two air valve caps, changeover valve core, gas valve core, valve core housing, valve core housing seal ring, two valve bonnet seal circles and air valve body is set with through hole and pore, described changeover valve core, valve core housing are placed in the through hole of air valve body and are provided with valve core housing seal ring between valve core housing and air valve body, described gas valve core is placed in valve core housing, and described air valve cap is fixed on the both sides of air valve body by valve bonnet seal circle and changeover valve core, gas valve core, valve core housing is sealed in air valve body.
The beneficial effects of the utility model are: the membrane pump with pneumatic drive of a kind of nut dismounting that the utility model provides, by the pump housing and left cover, right cover only by crossing one of them central shaft and a nut is connected fastening, dismounting is extremely convenient, adopt pressurized air directly to feed back to its commutation of Air Valve Control simultaneously, without complicated air inlet commutation assembly, maintenance cost is low and can save a large amount of dismounting maintenance times.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is shape assumption diagram of the present utility model.
Fig. 2 is the explosive view of Fig. 1.
Embodiment
Embodiment of the present utility model is set forth further below in conjunction with accompanying drawing:
As shown in Figure 1, 2, the membrane pump with pneumatic drive of a kind of nut dismounting that the utility model provides comprises air valve 1, the pump housing 2501, central shaft 2517, left cover 2506, right cover 2507, the described pump housing 2501 center is provided with a U-shaped hole, one diaphragm push rod 2519 is installed in this U-shaped hole and crosses the pump housing 2501 and mistake by this U-shaped hole, a seal ring 2524 pairs of pump housings 2501 are installed in the U-shaped hole of the described pump housing 2501 and between diaphragm push rod 2519 and diaphragm push rod 2519 seals; Described left cover 2506, right cover 2507 are placed in the pump housing 2501 both sides and left cover 2506 and the pump housing 2501 and respectively install a diaphragm 2516 between right cover 2507 and the pump housing 2501 respectively and be divided into air cavity and fluid chamber by between left cover 2506, the pump housing 2501, right cover 2507 respectively; The two ends of described two latallae 2516 centers and diaphragm push rod 2519 are protected block 2514 outside block 2515, diaphragm seal circle 2522, diaphragm be connected and fixed by being protected in diaphragm; One end of described central shaft 2517 is passed left cover pad 2512 and is integrally fixed with left cover pad 2512 after stretching out setpoint distance, the other end is through left cover 2506, the pump housing 2501, diaphragm push rod 2519, two latallae 2516, right cover 2507 be connected fastening with nut 2525, install a bearing 2518 and two V-type circles 2523 between described central shaft 2517 and diaphragm push rod 2519 and be fixed in diaphragm push rod 2519 and seal central shaft 2517 and diaphragm push rod 2519, described V-type circle 2523 symmetry is positioned at bearing 2518 both sides; The part that described central shaft 2517 stretches out left cover pad 2512 connects air valve 1, and described air valve 1 is fixed on left cover pad 2512; The top of the described pump housing 2501 connects a upper cover 2502, and bottom connects the portion 2503 that covers, lower cover bottom 2504, base 2505 successively, the described pump housing 2501 and install two safety check between upper cover 2502 and lower cover top 2503 respectively.
The side of the described pump housing 2501 is provided with two symmetrical through holes and is communicated to the pump housing 2501 top one safety check and bottom one safety check respectively, and the opposite side of the described pump housing 2501 is provided with two symmetrical through holes and is communicated to another safety check of the pump housing 2501 top and another safety check of bottom respectively.
Described safety check comprises ball stopper block 2508, ball 2509, ball seat 2510, seal ring 2511, described ball seat 2510 is fixed on the pump housing 2501 and lower cover bottom 2504 by seal ring 2511, described ball stopper block 2508 is placed on ball seat 2510, described ball 2509 is placed in ball seat 2510 in the heart and ball stopper block 2508 times, and described ball seat 2510 the other end is fixed on upper cover 2502 and lower cover top 2503 by ball stopper block 2508.
Described air valve 1 comprises air valve body 2531, two air valve caps 2532, changeover valve core 2533, gas valve core 2534, valve core housing 2535, valve core housing seal ring 2536, two valve bonnet seal circles 2537 and air valve body 2531 is set with through hole and pore, described changeover valve core 2533, valve core housing 2535 is placed in the through hole of air valve body 2531 and is provided with valve core housing seal ring 2536 between valve core housing 2535 and air valve body 2531, described gas valve core 2534 is placed in valve core housing 2535, described air valve cap 2532 by valve bonnet seal circle 2537 be fixed on air valve body 2531 both sides and by changeover valve core 2533, gas valve core 2534, valve core housing 2535 is sealed in air valve body 2531, described air valve body 2531 connects two silencing apparatuss 2538.
Working procedure of the present utility model comprises: pressurized air enters air valve body 2531, the air cavity being entered diaphragm 2516 side of the pump housing 2501 side by air valve core 2534 promotes diaphragm 2516 and diaphragm push rod 2519 to other direction action, when action to terminal time, pressurized air in air cavity feeds back to air valve changeover valve core 2533 by central shaft 2517 makes it commutate, thus control air valve core 2534 commutates, pressurized air is commutated enter the air cavity of diaphragm 2516 side of the pump housing 2501 opposite side to promote diaphragm 2516 and diaphragm push rod 2519 to other direction action, in the course of action of reciprocation cycle, flowing medium is constantly drawn through lower safety check to fluid chamber from lower cover bottom 2504, discharge to upper cover 2502 through upper check valve again.
The membrane pump with pneumatic drive of a kind of nut dismounting that the utility model provides, the pump housing 2501 and left cover 2506, right cover 2507 are by crossing one of them central shaft 2517 and a nut 2525 is connected fastening, compared with the bolt and nut more with traditional membrane pump with pneumatic drive need connects, dismounting is extremely convenient, adopt pressurized air directly to feed back to air valve changeover valve core 2533 simultaneously and control its commutation, without complicated commutation assembly, maintenance cost is low and can save a large amount of dismounting maintenance times.
The foregoing is only preferred embodiments of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a membrane pump with pneumatic drive for a nut dismounting, comprises air valve, the pump housing, central shaft, left cover, right cover, it is characterized in that, described pump housing center is provided with a U-shaped hole, installs a diaphragm push rod and cross the pump housing and mistake by this U-shaped hole in this U-shaped hole; Described left cover, right cover are placed in pump housing both sides and left cover and the pump housing and respectively install a diaphragm between right cover and the pump housing respectively and be divided into air cavity and fluid chamber by between left cover, the pump housing, right cover respectively; The two ends of described both sides its center and diaphragm push rod are protected block outside block, diaphragm seal circle, diaphragm be connected and fixed by being protected in diaphragm; One end of described central shaft is through left cover pad and be integrally fixed with left cover pad after stretching out setpoint distance, and the other end is through left cover, the pump housing, diaphragm push rod, two latallaes, right cover be connected fastening with nut; The part that described central shaft stretches out left cover pad connects air valve; The top of the described pump housing connects a upper cover, and bottom connects the portion that covers, lower cover bottom, base successively, the described pump housing and install two safety check between upper cover and lower cover top respectively.
2. the membrane pump with pneumatic drive of a nut dismounting according to claim 1, it is characterized in that, the side of the described pump housing is provided with two symmetrical through holes and is communicated to pump housing top one safety check and bottom one safety check respectively, and the opposite side of the described pump housing is provided with two symmetrical through holes and is communicated to another safety check of pump housing top and another safety check of bottom respectively.
3. the membrane pump with pneumatic drive of a nut dismounting according to claim 1 and 2, it is characterized in that, described safety check comprises ball stopper block, ball, ball seat, seal ring, described ball seat is fixed on the pump housing and lower cover bottom by seal ring, described ball stopper block is placed on ball seat, described ball is placed in ball seat in the heart and under ball stopper block, and the described ball seat the other end is fixed on upper cover and lower cover top by ball stopper block.
4. the membrane pump with pneumatic drive of a nut dismounting according to claim 1, it is characterized in that, described air valve comprises air valve body, two air valve caps, changeover valve core, gas valve core, valve core housing, valve core housing seal ring, two valve bonnet seal circles and air valve body is set with through hole and pore, described changeover valve core, valve core housing is placed in the through hole of air valve body and is provided with valve core housing seal ring between valve core housing and air valve body, described gas valve core is placed in valve core housing, described air valve cap by valve bonnet seal circle be fixed on air valve body both sides and by changeover valve core, gas valve core, valve core housing is sealed in air valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420669729.3U CN204253334U (en) | 2014-11-10 | 2014-11-10 | A kind of membrane pump with pneumatic drive of a nut dismounting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420669729.3U CN204253334U (en) | 2014-11-10 | 2014-11-10 | A kind of membrane pump with pneumatic drive of a nut dismounting |
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CN204253334U true CN204253334U (en) | 2015-04-08 |
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CN201420669729.3U Expired - Fee Related CN204253334U (en) | 2014-11-10 | 2014-11-10 | A kind of membrane pump with pneumatic drive of a nut dismounting |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106996365A (en) * | 2016-01-25 | 2017-08-01 | 上海大众联合发展车身配件有限公司 | A kind of diaphragm assembly for suction pump |
CN107013442A (en) * | 2016-03-02 | 2017-08-04 | 上海方顿工业设备有限公司 | A kind of pneumatic diaphragm pump of external Pneumatic valve |
CN113027735A (en) * | 2021-03-05 | 2021-06-25 | 博朗普特工业设备(苏州)有限公司 | Self-adaptive low-pulsation combined pneumatic diaphragm pump with diaphragm alarm device |
-
2014
- 2014-11-10 CN CN201420669729.3U patent/CN204253334U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106996365A (en) * | 2016-01-25 | 2017-08-01 | 上海大众联合发展车身配件有限公司 | A kind of diaphragm assembly for suction pump |
CN107013442A (en) * | 2016-03-02 | 2017-08-04 | 上海方顿工业设备有限公司 | A kind of pneumatic diaphragm pump of external Pneumatic valve |
CN113027735A (en) * | 2021-03-05 | 2021-06-25 | 博朗普特工业设备(苏州)有限公司 | Self-adaptive low-pulsation combined pneumatic diaphragm pump with diaphragm alarm device |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 |
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CF01 | Termination of patent right due to non-payment of annual fee |