CN113175427A

CN113175427A - Pneumatic diaphragm pump with filtering mechanism

Info

Publication number: CN113175427A
Application number: CN202110399235.2A
Authority: CN
Inventors: 周礼桢
Original assignee: Jiangsu Jiyou Electromechanical Technology Co ltd
Current assignee: Jiangsu Jiyou Electromechanical Technology Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-07-27

Abstract

The invention relates to the field of pneumatic diaphragm pumps, in particular to a pneumatic diaphragm pump with a filtering mechanism, which comprises a diaphragm pump body and the filtering mechanism communicated with the diaphragm pump body, wherein the diaphragm pump body is communicated with the filtering mechanism through a T-shaped pipe, the filtering mechanism comprises a filter cartridge communicated with the T-shaped pipe, and a central drain pipe penetrates through the center of the filter cartridge. According to the invention, the filter cartridge is arranged, and the central drain pipe, the conical cavity and the filter screen are arranged in the filter cartridge, so that the interception and precipitation of impurities in liquid are realized, the filtration of the impurities is realized, and the continuous extraction and discharge of the liquid are not influenced; according to the invention, the one-way door plate is arranged, so that the liquid in the filter cartridge is prevented from flowing back into the diaphragm pump body when the liquid is extracted, and the extraction efficiency is ensured.

Description

Pneumatic diaphragm pump with filtering mechanism

Technical Field

The invention relates to the field of pneumatic diaphragm pumps, in particular to a pneumatic diaphragm pump with a filtering mechanism.

Background

The pneumatic diaphragm pump is a novel conveying machine and is the most novel pump in China. The compressed gas is used as a power source, and all kinds of corrosive liquids, liquids with particles, high-viscosity, volatile, inflammable and extremely toxic liquids can be pumped out and absorbed completely.

Traditional pneumatic diaphragm pump is when carrying liquid, though the diaphragm can be better keep apart corrosive liquids, but probably there is solid-state impurity of different or the flocculate of bulk in the different grade type liquid, causes the jam to the pump body and pipeline easily, reduces conveying efficiency.

The application provides a pneumatic diaphragm pump with filtering mechanism.

Disclosure of Invention

Based on the above-mentioned shortcomings of the prior art, the present invention provides a pneumatic diaphragm pump with a filter mechanism.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a pneumatic diaphragm pump with a filtering mechanism comprises a diaphragm pump body and the filtering mechanism communicated with the diaphragm pump body;

the diaphragm pump body is communicated with a filtering mechanism through a T-shaped pipe, the filtering mechanism comprises a filter cartridge communicated with the T-shaped pipe, a central drain pipe penetrates through the center of the filter cartridge, the lower end of the central drain pipe is communicated with a guide cylinder, a filter screen is installed in the guide cylinder, the central drain pipe extends to the upper part of the filter cartridge, the upper end of the central drain pipe is communicated with a water outlet one-way valve, and the water outlet one-way valve is communicated with a water outlet pipe; the front end of the T-shaped pipe is communicated with a water inlet one-way valve, and the water inlet one-way valve is communicated with a water inlet pipe.

As a further scheme of the invention: the T-shaped pipe is tangentially communicated with the filter cartridge, and a conical cavity is arranged in the filter cartridge.

As a further scheme of the invention: the T-shaped pipe and the filter cartridge are communicated to be provided with a one-way door plate, and the one-way door plate is hinged to the inner wall of the filter cartridge through a hinge seat.

As a further scheme of the invention: the pneumatic diaphragm body is internally provided with a diaphragm, the diaphragm is connected with an air cylinder through a piston rod, and the air cylinder is communicated with an external air source.

As a further scheme of the invention: the water inlet check valve and the water outlet check valve are identical in structure, and valve balls are nested in the water inlet check valve and the water outlet check valve.

As a further scheme of the invention: the lower end of the filter cylinder is connected with an ash bucket cylinder used for loading impurities.

As a further scheme of the invention: the guide cylinder is a conical cylinder, the center of the guide cylinder is provided with a middle channel communicated with the central drain pipe, and the filter cartridge is installed in the middle channel.

As a further scheme of the invention: the guide cylinder is in threaded connection with the central drain pipe.

As a further scheme of the invention: the one-way door plant has connect torsion spring, the torsion spring other end with articulated seat butt, the torsion spring cover is established and is installed on the articulated shaft of articulated seat.

As a further scheme of the invention: the ash bucket cylinder is in threaded connection with the lower end of the filter cylinder.

After adopting the structure, compared with the prior art, the invention has the following advantages:

according to the invention, the filter cartridge is arranged, and the central drain pipe, the conical cavity and the filter screen are arranged in the filter cartridge, so that the interception and precipitation of impurities in liquid are realized, the filtration of the impurities is realized, and the continuous extraction and discharge of the liquid are not influenced.

According to the invention, the one-way door plate is arranged, so that the liquid in the filter cartridge is prevented from flowing back into the diaphragm pump body when the liquid is extracted, and the extraction efficiency is ensured.

The invention is provided with the ash bucket cylinder and the guide cylinder, so that impurities and the filter screen are convenient to clean.

Drawings

Fig. 1 is a schematic view showing the internal structure of an air operated diaphragm pump with a filter mechanism.

Fig. 2 is an enlarged view of a point a in fig. 1.

Fig. 3 is a perspective view of a filter cartridge in an air operated diaphragm pump with a filter mechanism.

Fig. 4 is a schematic perspective view of a guide cylinder in the pneumatic diaphragm pump with a filter mechanism.

Fig. 5 is an enlarged view at B in fig. 1.

In the figure: 1-a diaphragm pump body; 2-a membrane sheet; 3-a cylinder; 4-T type pipe; 5-water inlet one-way valve; 6-valve ball; 7-water inlet pipe; 8-a filter cartridge; 9-a tapered cavity; 10-a central drain pipe; 11-a water outlet one-way valve; 12-a water outlet pipe; 13-a guide cylinder; 1301-intermediate channel; 14-a filter screen; 15-ash bucket cylinder; 16-one-way door panel; 17-a hinged seat; 18-torsion spring.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Referring to fig. 1 to 5, in an embodiment of the present invention, an air operated diaphragm pump with a filtering mechanism includes a diaphragm pump body 1 and a filtering mechanism communicated with the diaphragm pump body 1;

the diaphragm pump body 1 is communicated with a filtering mechanism through a T-shaped pipe 4, the filtering mechanism comprises a filter cylinder 8 communicated with the T-shaped pipe 4, a central drain pipe 10 penetrates through the center of the filter cylinder 8, the lower end of the central drain pipe 10 is communicated with a guide cylinder 13, a filter screen 14 is installed in the guide cylinder 13, the central drain pipe 10 extends to the upper part of the filter cylinder 8, the upper end of the central drain pipe 10 is communicated with a water outlet one-way valve 11, and the water outlet one-way valve 11 is communicated with a water outlet pipe 12; the front end of the T-shaped pipe 4 is communicated with a water inlet one-way valve 5, and the water inlet one-way valve 5 is communicated with a water inlet pipe 7.

Specifically, the pneumatic diaphragm pump pumps water to the filter cartridge 8 through the inlet tube 7, and impurity in the liquid takes place to subside under the action of gravity, and impurity is held back in the filter cartridge 8 under the effect of filter screen 14 simultaneously, and liquid flows into outlet pipe 12 through central drain pipe 10 and discharges, realizes holding back the filtration of impurity in the liquid.

In this embodiment, a diaphragm 2 is installed in the pneumatic diaphragm body 1, the diaphragm 2 is connected to a cylinder 3 through a piston rod, and the cylinder 3 is communicated with an external air source.

Specifically, drive diaphragm 2 through cylinder 3 and reciprocate in the cavity of diaphragm pump body 1, realize the extraction and the discharge operation of liquid.

In the embodiment, the structure of the water inlet check valve 5 is the same as that of the water outlet check valve 11, and the valve ball 6 is nested in both the water inlet check valve 5 and the water outlet check valve 11.

In another embodiment of the present invention, the T-shaped pipe 4 is tangentially communicated with the filter cartridge 8, and a conical cavity 9 is arranged in the filter cartridge 8.

Specifically, when liquid enters the filter cartridge 8, under the combined action of the outer wall of the central drain pipe 10 and the inner wall of the filter cartridge 8, the liquid flows in a rotational flow mode, so that the aggregation and the precipitation of impurities in the liquid are accelerated, and the filtering effect is improved.

In another embodiment of the present invention, a one-way door plate 16 is disposed at a position where the T-shaped pipe 4 communicates with the filter cartridge 8, the one-way door plate 16 is hinged to an inner wall of the filter cartridge 8 through a hinge seat 17, the one-way door plate 16 abuts against a torsion spring 18, the other end of the torsion spring 18 abuts against the hinge seat 17, and the torsion spring 18 is sleeved on a hinge shaft of the hinge seat 17.

Specifically, through being equipped with one-way door plant 16, when pneumatic diaphragm pump pumping liquid, one-way door plant 16 is sealed cartridge filter 8 and the 4 intercommunication departments of T type pipe, avoids when taking liquid, and the liquid reflux in the cartridge filter 8 improves liquid extraction efficiency in the diaphragm pump body 1.

In another embodiment of the present invention, the lower end of the filter cartridge 8 is connected to a hopper cylinder 15 for loading impurities, and the hopper cylinder 15 is screwed to the lower end of the filter cartridge 8.

Specifically, through being equipped with ash bucket section of thick bamboo 15 that is equipped with threaded connection at cartridge filter 8 lower extreme, conveniently clear up the transfer to filterable magazine.

In another embodiment of the present invention, the guide cylinder 13 is a cone-shaped cylinder, the center of the guide cylinder 13 is provided with a middle passage 1301 communicated with the central drain pipe 10, and the filter cartridge 14 is installed in the middle passage 1301.

Specifically, through being equipped with and being conical guide cylinder 13, guide cylinder 13 and the cooperation of the 8 inner walls of cartridge filter accelerate the sediment of impurity, avoid impurity by the whirl to be raised simultaneously.

In this embodiment, the guide cylinder 13 is screwed to the central drain pipe 10.

In particular, the guide cylinder 13 is convenient to disassemble to clean and replace the filter screen 14.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Claims

1. The pneumatic diaphragm pump with the filtering mechanism is characterized by comprising a diaphragm pump body (1) and the filtering mechanism communicated with the diaphragm pump body (1); the diaphragm pump comprises a diaphragm pump body (1) and is characterized in that the diaphragm pump body (1) is communicated with a filtering mechanism through a T-shaped pipe (4), the filtering mechanism comprises a filter cylinder (8) communicated with the T-shaped pipe (4), a central drain pipe (10) penetrates through the center of the filter cylinder (8), the lower end of the central drain pipe (10) is communicated with a guide cylinder (13), a filter screen (14) is installed in the guide cylinder (13), the central drain pipe (10) extends to the upper part of the filter cylinder (8), the upper end of the central drain pipe (10) is communicated with a water outlet one-way valve (11), and the water outlet one-way valve (11) is communicated with a water outlet pipe (12); the front end of the T-shaped pipe (4) is communicated with a water inlet one-way valve (5), and the water inlet one-way valve (5) is communicated with a water inlet pipe (7).

2. A pneumatic membrane pump with filter mechanism according to claim 1, characterized in that the T-pipe (4) is in tangential communication with the filter cartridge (8), inside the filter cartridge (8) being provided a conical cavity (9).

3. The pneumatic diaphragm pump with the filtering mechanism is characterized in that a one-way door plate (16) is arranged at the position where the T-shaped pipe (4) is communicated with the filtering cylinder (8), and the one-way door plate (16) is hinged with the inner wall of the filtering cylinder (8) through a hinge seat (17).

4. The pneumatic diaphragm pump with the filtering mechanism is characterized in that a diaphragm (2) is installed in the pneumatic diaphragm body (1), a cylinder (3) is connected to the diaphragm (2) through a piston rod, and the cylinder (3) is communicated with an external air source.

5. An air operated diaphragm pump with a filter mechanism according to claim 1, characterized in that the inlet check valve (5) and the outlet check valve (11) are identical in structure, and a valve ball (6) is nested in both the inlet check valve (5) and the outlet check valve (11).

6. A pneumatic diaphragm pump with filter mechanism according to claim 1, characterized in that the lower end of the filter cartridge (8) is connected to a hopper cylinder (15) for loading impurities.

7. An air operated diaphragm pump with a filter mechanism according to claim 1, characterized in that the guide cylinder (13) is a cone cylinder, the center of the guide cylinder (13) is provided with a middle channel (1301) communicating with a central drain pipe (10), and the filter cartridge (14) is installed in the middle channel (1301).

8. An air operated diaphragm pump with filter mechanism according to claim 8, characterized in that the guide cylinder (13) is screwed to the central drain pipe (10).

9. A pneumatic diaphragm pump with a filter mechanism according to claim 3, wherein the one-way door panel (16) abuts against a torsion spring (18), the other end of the torsion spring (18) abuts against the hinge seat (17), and the torsion spring (18) is sleeved on a hinge shaft of the hinge seat (17).

10. An air operated diaphragm pump with filter mechanism according to claim 6 characterized in that the hopper cylinder (15) is screwed with the lower end of the filter cylinder (8).