CN205089575U - Prevent pneumatic diaphragm pump of two diaphragm types that leak - Google Patents
Prevent pneumatic diaphragm pump of two diaphragm types that leak Download PDFInfo
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- CN205089575U CN205089575U CN201520769010.1U CN201520769010U CN205089575U CN 205089575 U CN205089575 U CN 205089575U CN 201520769010 U CN201520769010 U CN 201520769010U CN 205089575 U CN205089575 U CN 205089575U
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- barrier film
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- leak
- pneumatic drive
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Abstract
The utility model discloses a prevent pneumatic diaphragm pump of two diaphragm types that leak, valve body including being equipped with air chamber, liquid chamber has such characteristic, the valve body include first valve body shell, first unfamiliar, go -between, second diaphragm, second valve body shell, the first diaphragm outside of the inboard fixed connection of first valve body shell, the outside of the inboard fixed connection go -between of first diaphragm, the outside of the inboard fixed connection second diaphragm of go -between, the inboard fixed connection second valve body shell of second diaphragm. The utility model discloses two separations diaphragms have been increased again on the bases of two drive diaphragms of prior art's pneumatic diaphragm pump. Just in case the drive diaphragm damages, the material passes the drive diaphragm, just can be blocked by the separation diaphragm. And additionally having increased the observation tube, in a single day the material gets into the second and says the line of defence, just can be direct sees the material from the observation tube to judge that the drive diaphragm damages, just can arrange the maintenance to handle the very first time.
Description
Technical field
The utility model relates to membrane pump with pneumatic drive, is specifically related to a kind of dual-membrane type membrane pump with pneumatic drive of anti-leak.
Background technique
Membrane pump with pneumatic drive is a kind of form comparatively special in displacement pump.It relies on agitating back and forth of barrier film and changes swept volume of a single chamber to suck and discharge liquid.
The patent No. is the Chinese patent of CN200620045590.0, disclose a kind of Pneumatic double diaphragm pump, it comprises valve body, barrier film is respectively equipped with in valve body both sides, be air pressure lumen in barrier film, air cavity is provided with in valve body, air cavity is connected to suction port and exhaust port, at inlet hole, air valve commutation built-up shaft is installed, inlet hole both sides are provided with air pressure lumen inlet hole, at exhaust port, piston is installed, piston is provided with commutation air discharge cook, exhaust port both sides are provided with air pressure lumen exhaust port, liquid container is provided with in valve body both sides, both sides liquid container connects supply pipe and discharge nozzle jointly, respectively ball float is installed at the material feeding mouth of liquid container and discharge port, central shaft is connected with in the middle of barrier film, central shaft is connected with barrier film by protective pad, central shaft top is provided with commutation jacking block.
The membrane pump with pneumatic drive that above-mentioned patent provides all only arranges two barrier films, and as driver part, the material directly with pumping contacts.And barrier film is the most flimsy easily damaged parts in membrane pump with pneumatic drive, if barrier film is damaged, material enters air cavity through barrier film, and then can enter air valve, causes the damage of air valve.And by air valve, material can enter into external environment.For pumping corrosive, poisonous and harmful or valuable material, should guarantee that air valve is not corroded by material, more not wish that material enters into external environment, personnel equipment is worked the mischief.
Model utility content
In order to solve the problem, the purpose of this utility model is the dual-membrane type membrane pump with pneumatic drive providing a kind of anti-leak.
In order to achieve the above object, the utility model have employed following technological scheme:
A kind of dual-membrane type membrane pump with pneumatic drive of anti-leak, comprise the valve body being provided with air cavity, liquid container, there is such feature, described valve body comprises the first valve shell, the first barrier film, connecting ring, the second barrier film, the second valve shell, be fixedly connected with inside described first valve shell outside the first barrier film, be fixedly connected with the outside of connecting ring inside described first barrier film, the inner side of described connecting ring is fixedly connected with the outside of the second barrier film, and the inner side of described second barrier film is fixedly connected with the second valve shell.
Further; in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model; such feature can also be had: also comprise central shaft; described central shaft is through the second valve shell and the second barrier film; the end winding support of described central shaft is on the first protective pad, and described first protective pad is positioned at outside the second barrier film.
Further, in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model, such feature can also be had: described central shaft is equipped with the second protective pad between the second barrier film and the second valve shell.Further, in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model, such feature can also be had: described connecting ring is the cylindrical of hollow,
Further, in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model, such feature can also be had: described connecting ring is provided with the screw that two run through sidewall, the two ends of observation tube are communicated with described two screws respectively, observation tube is flowed into by screw to make liquid, meanwhile, described observation tube is positioned at described connecting ring outside.
Further, in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model, such feature can also be had: described observation tube is transparent pipe.
Further, in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model, such feature can also be had: described observation tube is made of plastics.
Further, in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model, such feature can also be had: the outside of described second barrier film is also fixedly connected with PTFE protective film.
Further, in the dual-membrane type membrane pump with pneumatic drive of the anti-leak provided at the utility model, such feature can also be had: the dual-membrane type membrane pump with pneumatic drive of described anti-leak is bilateral symmetry.
The good effect that the utility model has on the basis of the above is:
Drive on the basis of barrier film in the two panels of the membrane pump with pneumatic drive of prior art and turn increase two panels obstruct barrier film.Just in case driving diaphragm failures, material, through driving barrier film, just can be blocked barrier film and block.And adds additional observation tube, material, once enter second defence line, just directly can see material from observation tube, thus judges to drive barrier film to damage, and just the very first time can arrange maintenance process.
Accompanying drawing explanation
Fig. 1 is the overall explosive view of the dual-membrane type membrane pump with pneumatic drive of anti-leak in embodiment of the present utility model;
Fig. 2 is the partial enlarged drawing of the dual-membrane type membrane pump with pneumatic drive of anti-leak in embodiment of the present utility model;
Fig. 3 is the partial enlarged drawing of the second barrier film and PTFE protective film in embodiment of the present utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reach object and effect is easy to understand, following examples are specifically addressed the dual-membrane type membrane pump with pneumatic drive of the anti-leak that the utility model provides by reference to the accompanying drawings.
As shown in Figure 1, the dual-membrane type membrane pump with pneumatic drive of the anti-leak that the present embodiment provides, the membrane pump with pneumatic drive of principle and prior art is similar to, and its structure is based on the valve body being provided with air cavity, liquid container.The explosive view of the dual-membrane type membrane pump with pneumatic drive of the anti-leak of the present embodiment is shown in Figure 1, and those skilled in the art will be understood that each part in figure, therefore this explanation will not be tired out and stated.
Inventive point is, shown in Figure 2, and valve body is formed primarily of the first valve shell 1, first barrier film 2, connecting ring 3, second barrier film 4, second valve shell 5, and symmetrical structure.Concrete, be fixedly connected with outside the first barrier film 2 inside the first valve shell 1, be fixedly connected with the outside of connecting ring 3 inside the first barrier film 2, the inner side of connecting ring 3 is fixedly connected with the outside of the second barrier film 4, and the inner side of the second barrier film 4 is fixedly connected with the second valve shell 5.Wherein, the first barrier film 2, connecting ring 3, second barrier film 4 form the space closed, and after the first barrier film 2 breaks, liquid flows into this space, but the second barrier film 4 continues fluid partitioning, prevents liquid from flowing directly into the air cavity of valve body, damage valve body.
According to above-mentioned basic structure, the utility model, in further preferred embodiment, also comprises central shaft 6; central shaft 6 is through the second valve shell 5 and the second barrier film 4; the end winding support of central shaft 6 is on the first protective pad 7, and the first protective pad 7 is positioned at outside the second barrier film 4, in order to protect the first barrier film 2.Central shaft 6 is equipped with the second protective pad 8 between the second barrier film 4 and the second valve shell 5, in order to protect the second barrier film 4.
According to above-mentioned basic structure, the utility model is in further preferred embodiment, and connecting ring 3 is the cylindrical of hollow, with the shape of proportioning valve body case, improves the shock proof intensity of valve body simultaneously.
According to above-mentioned basic structure, the utility model is in further preferred embodiment, and connecting ring 3 is provided with the screw 9 that two run through sidewall, the two ends of observation tube 10 are communicated with two screws 9 respectively, to make liquid flow into observation tube 10 by screw 9, meanwhile, observation tube 10 is positioned at connecting ring 3 outside.When the first barrier film 2 breaks, liquid can flow into observation tube 10 simultaneously, and the observation tube 10 that the present embodiment is chosen is transparent plastic flexible pipes, and after seeing that liquid flows into clearly, the liquid be full of in pipe, breaks to remind the first barrier film 2.
According to above-mentioned basic structure, the utility model is in further preferred embodiment, and the outside of the second barrier film 4 is also fixedly connected with PTFE protective film 11, to improve protected effect, avoids corrosion liquid to corrode.
The dual-membrane type membrane pump with pneumatic drive of the anti-leak involved by certain the utility model is not merely defined in the structure in above-described embodiment, any equivalent modifications of carrying out the utility model and substituting also all in category of the present utility model.
Claims (9)
1. the dual-membrane type membrane pump with pneumatic drive of an anti-leak, comprise and be provided with air cavity, the valve body of liquid container, it is characterized in that, described valve body comprises the first valve shell (1), first barrier film (2), connecting ring (3), second barrier film (4), second valve shell (5), described first valve shell (1) inner side is fixedly connected with the first barrier film (2) outside, described first barrier film (2) inner side is fixedly connected with the outside of connecting ring (3), the inner side of described connecting ring (3) is fixedly connected with the outside of the second barrier film (4), the inner side of described second barrier film (4) is fixedly connected with the second valve shell (5).
2. the dual-membrane type membrane pump with pneumatic drive of anti-leak according to claim 1; it is characterized in that; also comprise central shaft (6); described central shaft (6) is through the second valve shell (5) and the second barrier film (4); the end winding support of described central shaft (6) is on the first protective pad (7), and described first protective pad (7) is positioned at the second barrier film (4) outside.
3. the dual-membrane type membrane pump with pneumatic drive of anti-leak according to claim 2; it is characterized in that, described central shaft (6) is equipped with the second protective pad (8) between the second barrier film (4) and the second valve shell (5).
4. the dual-membrane type membrane pump with pneumatic drive of anti-leak according to claim 1, is characterized in that, what described connecting ring (3) was hollow is cylindrical.
5. the dual-membrane type membrane pump with pneumatic drive of anti-leak according to claim 1, it is characterized in that, described connecting ring (3) is provided with the screw (9) that two run through sidewall, the two ends of observation tube (10) are communicated with described two screws (9) respectively, observation tube (10) is flowed into by screw (9) to make liquid, meanwhile, described observation tube (10) is positioned at described connecting ring (3) outside.
6. the dual-membrane type membrane pump with pneumatic drive of anti-leak according to claim 5, is characterized in that, described observation tube (10) is transparent pipe.
7. the dual-membrane type membrane pump with pneumatic drive of anti-leak according to claim 6, is characterized in that, described observation tube (10) is made of plastics.
8. the dual-membrane type membrane pump with pneumatic drive of anti-leak according to claim 1, is characterized in that, the outside of described second barrier film (4) is also fixedly connected with PTFE protective film (11).
9. according to the dual-membrane type membrane pump with pneumatic drive of the anti-leak in claim 1-8 described in any one, it is characterized in that, the dual-membrane type membrane pump with pneumatic drive of described anti-leak is bilateral symmetry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769010.1U CN205089575U (en) | 2015-09-29 | 2015-09-29 | Prevent pneumatic diaphragm pump of two diaphragm types that leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520769010.1U CN205089575U (en) | 2015-09-29 | 2015-09-29 | Prevent pneumatic diaphragm pump of two diaphragm types that leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089575U true CN205089575U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520769010.1U Active CN205089575U (en) | 2015-09-29 | 2015-09-29 | Prevent pneumatic diaphragm pump of two diaphragm types that leak |
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| CN (1) | CN205089575U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206716A (en) * | 2019-07-08 | 2019-09-06 | 宁波捷尔天电气有限公司 | A kind of leakproof diaphragm pump |
-
2015
- 2015-09-29 CN CN201520769010.1U patent/CN205089575U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206716A (en) * | 2019-07-08 | 2019-09-06 | 宁波捷尔天电气有限公司 | A kind of leakproof diaphragm pump |
| CN110206716B (en) * | 2019-07-08 | 2020-12-25 | 宁波捷尔天电气有限公司 | Leak-proof diaphragm pump |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |