Pneumatic diaphragm pump with filtering structure

By incorporating a filter screen and outer casing into the pneumatic diaphragm pump, the problem of impurities entering the pump body is solved, enabling convenient filtration and protection, and improving the equipment's durability and ease of installation.

CN223689909UActive Publication Date: 2025-12-19JINZHOU LONGKAI PUMP CO LTD
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Patent Information

Application Number
CN202520409179.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2025-12-19
Estimated Expiration
2035-03-10

AI Technical Summary

Technical Problem

During the water delivery process, external particulate impurities can easily enter the pump, causing component damage, and there is a lack of effective filtration measures.

Method used

A pneumatic diaphragm pump with a filtration structure was designed. By setting a filter screen between the inlet pipe and the branch pipe, auxiliary filtration of water is achieved. The pump can be replaced without stopping the machine when the filter screen is clogged. The pump body is protected by an outer cover. The position can be easily adjusted during installation using connecting plates and bolts.

Benefits of technology

It enables auxiliary filtration inside the diaphragm pump, reducing the entry of impurities, preventing external impact damage, simplifying the installation process, and improving the service life and operational stability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pneumatic diaphragm pump with a filtering structure, which comprises a pump body, and a connecting seat is fixed on the left side of the pump body. When the pneumatic diaphragm pump with the filtering structure is used, a filter screen is fixed in a second mounting ring between a water inlet pipe and a branch pipe, and the arranged filter screen can filter and remove some particle impurities and the like in a water body pumped into the diaphragm pump in an auxiliary mode, so that the particle impurities entering the diaphragm pump in the water pumping and conveying process are reduced, and the service life of the diaphragm pump is prolonged. When a filter screen in a second mounting ring is blocked, a first switch valve can be opened and then a second switch valve is closed, and water in a water inlet pipe can be guided into the first mounting ring through a second connecting pipe, filtered by the filter screen and then continuously guided into the water inlet through a first connecting pipe for water pumping operation; and shutdown treatment is not needed in the water pumping process, internal damage of the diaphragm pump is reduced, and the problem that auxiliary filtering of water conveyed in the diaphragm is inconvenient is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water supply technical field, concretely is pneumatic diaphragm pump with filter structure. BACKGROUND

[0002] Water supply refers to the process of conveying and providing water resources to public facilities, commercial organizations, communities or individuals by using water pumps and pipelines, wherein the pneumatic diaphragm pump is often used to pump water when the pipeline is used to convey water.

[0003] However, in the actual use process of the pneumatic diaphragm pump, some particulate impurities in the external water body can easily enter the interior of the diaphragm pump when the diaphragm pump is pumping water, which can cause damage to the internal components of the diaphragm pump after long-term use, and there is a deficiency that the diaphragm interior does not have a measure to assist in filtering the water body being conveyed.

[0004] Now, a new pneumatic diaphragm pump with a filter structure is proposed to solve the above-mentioned deficiencies. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a pneumatic diaphragm pump with a filter structure to solve the problem of not being convenient for assisting in filtering the water body being conveyed in the interior of the diaphragm as mentioned in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a pneumatic diaphragm pump with a filter structure, comprising a pump body, a connecting seat is fixed to the left side of the pump body, a water outlet pipe is fixed to the bottom end of the connecting seat, a water inlet is fixed to the top end of the connecting seat, a water inlet pipe is arranged at the top end of the water inlet, an air compressor is installed at the top end of the pump body, fixed bolts are arranged in the interior of the pump body on both sides of the bottom end, a connecting plate is arranged at the bottom end of the pump body, an outer cover is arranged at the top end of the connecting plate, a second mounting ring is arranged at the bottom end of the water inlet pipe, a branch pipe is arranged at the bottom end of the second mounting ring, a second connecting pipe is fixed to the left side of the water inlet pipe, a first on-off valve is arranged on the second connecting pipe, a second on-off valve is arranged on the water inlet pipe, a first mounting ring is arranged at the left side of the second mounting ring, a first connecting pipe is fixed to the left side of the branch pipe, filter screens are respectively fixed in the interiors of the first mounting ring and the second mounting ring, mounting flanges are respectively fixed to the bottom end of the exterior of the second connecting pipe and the water inlet pipe and the top end of the exterior of the first connecting pipe and the branch pipe.

[0007] As a further technical scheme of the utility model, the interiors of the first connecting pipe, the second connecting pipe, the water inlet pipe and the branch pipe are respectively connected.

[0008] As a further technical scheme of the utility model, the connecting bolt is arranged on the mounting flange, and the connecting bolt penetrates the inside of the mounting flange, five groups of connecting holes are arranged on the first mounting ring and the second mounting ring in a ring shape and at equal intervals, and the connecting holes are arranged on the top and bottom of the first mounting ring and the second mounting ring in a ring shape and at equal intervals.

[0009] As a further technical scheme of the utility model, the connecting bolt is arranged on the mounting flange, and the connecting bolt penetrates the inside of the mounting flange, five groups of connecting holes are arranged on the first mounting ring and the second mounting ring in a ring shape and at equal intervals, and the connecting holes are arranged on the top and bottom of the first mounting ring and the second mounting ring in a ring shape and at equal intervals.

[0010] As a further technical scheme of the utility model, the connecting bolt is arranged on the mounting flange, and the connecting bolt penetrates the inside of the mounting flange, five groups of connecting holes are arranged on the first mounting ring and the second mounting ring in a ring shape and at equal intervals, and the connecting holes are arranged on the top and bottom of the first mounting ring and the second mounting ring in a ring shape and at equal intervals.

[0011] As a further technical scheme of the utility model, the connecting bolt is arranged on the mounting flange, and the connecting bolt penetrates the inside of the mounting flange, five groups of connecting holes are arranged on the first mounting ring and the second mounting ring in a ring shape and at equal intervals, and the connecting holes are arranged on the top and bottom of the first mounting ring and the second mounting ring in a ring shape and at equal intervals.

[0012] As a further technical scheme of the utility model, the connecting bolt is arranged on the mounting flange, and the connecting bolt penetrates the inside of the mounting flange, five groups of connecting holes are arranged on the first mounting ring and the second mounting ring in a ring shape and at equal intervals, and the connecting holes are arranged on the top and bottom of the first mounting ring and the second mounting ring in a ring shape and at equal intervals.

[0013] As a further technical scheme of the utility model, the connecting bolt is arranged on the mounting flange, and the connecting bolt penetrates the inside of the mounting flange, five groups of connecting holes are arranged on the first mounting ring and the second mounting ring in a ring shape and at equal intervals, and the connecting holes are arranged on the top and bottom of the first mounting ring and the second mounting ring in a ring shape and at equal intervals.

[0014] Compared with the prior art, the utility model has the advantages that the pneumatic diaphragm pump with the filtering structure not only realizes the auxiliary filtration of the water body in the diaphragm, the anti-impact protection of the outside of the diaphragm pump, and the installation of the diaphragm pump.

[0015] (1) By being provided with connecting seat, pump body, water inlet, first connecting pipe, first mounting ring, second connecting pipe, water inlet pipe, second mounting ring, air compressor, connecting plate, water outlet pipe, first switch valve, second switch valve, mounting flange, filter screen, branch pipe, connecting hole and connecting bolt, when the diaphragm pump is used after installation, the external water source is drawn into the diaphragm pump through the water inlet pipe and then is discharged through the water outlet pipe, during the water pumping process by using the diaphragm negative pressure, the filter screen is fixed in the second mounting ring between the water inlet pipe and the branch pipe, the filter screen can assist in filtering and removing some particulate impurities in the water drawn into the diaphragm pump, the particulate impurities entering the diaphragm pump during the water pumping and water conveying process are reduced, when the filter screen in the second mounting ring is blocked, the first switch valve can be opened and then the second switch valve is closed, the water in the water inlet pipe can be introduced into the first mounting ring through the second connecting pipe, is filtered through the filter screen and then is continuously introduced into the inside of the water inlet through the first connecting pipe to carry out the water pumping operation, the water pumping process does not need to be stopped for treatment, the water conveyed in the diaphragm is conveniently assisted in filtering, and the internal damage of the diaphragm pump is reduced;

[0016] (2) By being provided with pump body, connecting seat, air compressor, outer cover, connecting plate, ventilation slot, insertion strip and insertion slot, when the diaphragm pump is used after installation, the insertion strip fixed at the bottom of the outer cover can be correspondingly inserted into the inside of the insertion slot at the right side of the top end of the connecting plate, then the outer cover can be installed and fixed outside the diaphragm pump at the top end of the connecting plate, the outer cover can cover the outside of the diaphragm pump to prevent impact and protect, the external bump damage of the diaphragm pump during use is reduced and avoided, and the safety protection of the outside of the diaphragm pump is facilitated.

[0017] (3) By being provided with connecting seat, pump body, connecting plate, fixing bolt, gasket, mounting bolt and mounting slot, when the diaphragm pump is installed, the pump body can be installed and fixed in the inside of the two sides of the top end of the connecting plate through the fixing bolt, then the connecting plate is placed at the installation position, then the mounting bolt is penetrated into the inside of the mounting slot and is correspondingly screwed into the hole in the installation position at the two sides of the top end of the connecting plate, then the diaphragm pump can be fixed and installed by using the connecting plate, meanwhile, if there is a position deviation during the installation process, four groups of mounting bolts can be loosened at the installation position, then the connecting plate is moved leftward or rightward outside the mounting bolt through the mounting slot, after the installation position of the diaphragm pump is adjusted, the mounting bolt is tightened at the installation position again, the mounting bolt and the mounting slot facilitate the position adjustment and installation of the diaphragm pump. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view sectional structure schematic view of the utility model;

[0019] Figure 2The utility model discloses a filter screen front view amplification structure schematic diagram of putting,

[0020] Figure 3 The utility model discloses a cover side view amplification structure schematic diagram of putting,

[0021] Figure 4 The utility model discloses a mounting groove plan view amplification structure schematic diagram.

[0022] In the drawing: 1, connecting seat, 2, pump body, 3, water inlet, 4, first connecting pipe, 5, first mounting ring, 6, second connecting pipe, 7, water inlet pipe, 8, second mounting ring, 9, cover, 10, air compressor, 11, fixed bolt, 12, connecting plate, 13, water outlet pipe, 14, first switch valve, 15, second switch valve, 16, mounting flange, 17, filter screen, 18, branch pipe, 19, connecting hole, 20, connecting bolt, 21, ventilation groove, 22, insertion strip, 23, insertion slot, 24, gasket, 25, mounting bolt, 26, mounting groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Embodiment: please refer to Figures 1-4 , pneumatic diaphragm pump with filter structure, including pump body 2, the left side of pump body 2 is fixed with connecting seat 1, and the bottom end of connecting seat 1 is fixed with water outlet pipe 13, the top end of connecting seat 1 is fixed with water inlet 3, and the top end of water inlet 3 is provided with water inlet pipe 7, the top end of pump body 2 is provided with air compressor 10, the inside of the bottom end of pump body 2 two sides is respectively provided with fixed bolt 11, the bottom end of pump body 2 is provided with connecting plate 12, and the top end of connecting plate 12 is provided with cover 9, the bottom end of water inlet pipe 7 is provided with second mounting ring 8, and the bottom end of second mounting ring 8 is provided with branch pipe 18, the left side of water inlet pipe 7 is fixed with second connecting pipe 6, and second connecting pipe 6 is provided with first switch valve 14, water inlet pipe 7 is provided with second switch valve 15, the left side of second mounting ring 8 is provided with first mounting ring 5, the left side of branch pipe 18 is fixed with first connecting pipe 4, the inside of first mounting ring 5 and second mounting ring 8 is respectively fixed with filter screen 17, the bottom end of second connecting pipe 6 and water inlet pipe 7 outside and the top end of first connecting pipe 4 and branch pipe 18 outside are respectively fixed with mounting flange 16,

[0025] The interiors of the first connecting pipe 4, the second connecting pipe 6, the water inlet pipe 7 and the branch pipe 18 are respectively connected, the mounting flange 16 is provided with connecting bolts 20, and the connecting bolts 20 penetrate the interior of the mounting flange 16, the connecting bolts 20 are annularly and equidistantly provided with five groups on the mounting flange 16, the interiors of the top end and the bottom end of the first mounting ring 5 are respectively provided with connecting holes 19, and the connecting holes 19 are respectively annularly and equidistantly provided with five groups on the top end and the bottom end of the first mounting ring 5 and the second mounting ring 8;

[0026] Specifically, as shown in Figure 1 and Figure 2 , the compressed air enters the main pump body 1 through the pneumatic valve 12, the eardrum piece 2 moves left and right to shake back and forth, and the compressed air lifts the blocking ball 4 on the corresponding partition plate 6 left and right to guide the material to enter the main pump body 1 from the feeding pipe 9 and to be guided out of the main pump body 1 from the discharge pipe 16, and the outside of the feeding pipe 9 is connected with the air pipe by the disc 27, when the eardrum piece 2 moves back and forth to press the material, the longitudinal vertical plate 28 intercepts the large particle material, and the rear motor 30 is opened synchronously, the rotary blade 31 in front of the disc 27 is cut to process the large particle material, the large particle material passes through a plurality of groups of leakage holes 29 and is guided into the main pump body 1 from the feeding pipe 9, the external water source is pumped into the main pump body 1 through the water inlet pipe 7 and is guided out through the water outlet pipe 13, during the use of the diaphragm negative pressure water pumping process, the filter screen 17 is fixed in the second mounting ring 8 between the water inlet pipe 7 and the branch pipe 18, some particle impurities in the water pumped into the interior of the diaphragm pump can be filtered and removed through the filter screen 17, the particle impurities entering the interior of the diaphragm pump during the water pumping and water conveying process are reduced, when the filter screen 17 in the second mounting ring 8 is blocked, the first switch valve 14 can be opened and the second switch valve 15 can be closed, the water in the water inlet pipe 7 can be guided into the first mounting ring 5 through the second connecting pipe 6, filtered by the filter screen 17 and then continuously guided into the interior of the water inlet 3 through the first connecting pipe 4 to perform the water pumping operation, and the water pumping process does not need to be stopped for treatment.

[0027] Both ends of the bottom of the outer cover 9 are respectively fixed with the insertion strips 22, both ends of the top of the connecting plate 12 are respectively provided with the insertion grooves 23, the two sides of the insertion grooves 23 penetrate the interiors of the two sides of the connecting plate 12, the insertion strips 22 penetrate the interiors of the insertion grooves 23, and the interiors of the two ends of the outer cover 9 are respectively vertically and penetratingly provided with the ventilation grooves 21;

[0028] Specifically, as shown in Figure 1 and Figure 3 , the insertion strips 22 fixed at the two ends of the bottom of the outer cover 9 can be correspondingly inserted into the interiors of the insertion grooves 23 on the right side of the top of the connecting plate 12, and then the outer cover 9 can be installed and fixed on the top of the connecting plate 12 outside the diaphragm pump, the outer cover 9 can cover the outside of the diaphragm pump to prevent impact and protect the diaphragm pump from external impact and damage during use.

[0029] Mounting grooves 26 are provided on both sides of the top end of the connecting plate 12, and the mounting grooves 26 penetrate the interior of the connecting plate 12. Mounting bolts 25 are provided on both sides of the top end of the connecting plate 12, and washers 24 are provided on the outside of the mounting bolts 25. The bottom end of the mounting bolts 25 penetrates the interior of the mounting grooves 26.

[0030] Specifically, such as Figure 1 , Figure 3 and Figure 4 As shown, the pump body 2 can be installed and fixed using the fixing bolts 11 corresponding to the preset holes on both sides of the top of the connecting plate 12. Then, by placing the connecting plate 12 in the installation position, the mounting bolts 25 are used to penetrate the inside of the mounting groove 26 on both sides of the top of the connecting plate 12 and screwed into the corresponding holes in the installation position. The diaphragm pump can then be fixedly installed using the connecting plate 12. If there is a deviation in position during the installation process, the four sets of mounting bolts 25 can be loosened in the installation position. Then, the connecting plate 12 can be moved to the left or right outside the mounting bolts 25 using the mounting groove 26 to adjust the installation position of the diaphragm pump. Finally, the mounting bolts 25 can be tightened again in the installation position.

[0031] Working principle: the utility model discloses when installing, can utilize fixed bolt 11 corresponding connecting plate 12 top two sides inside the hole site installation fixed after pump body 2, then again through the connecting plate 12 is placed in the installation position, then respectively in the two sides of connecting plate 12 top two ends using installation bolt 25 penetrates the inside of installation slot 26 and is correspondingly screwed into the hole site of installation position after, can utilize connecting plate 12 and fix installation of diaphragm pump, simultaneously in the installation process, if position exists deviation, can respectively four groups of installation bolt 25 are loosened after installation position, then connecting plate 12 utilizes installation slot 26 and is moved to left or right outside installation bolt 25, after adjusting the installation position of diaphragm pump, installation bolt 25 is re-tightened in installation position again, diaphragm pump is used after installation, by water inlet pipe 7, the water body water source of outside is drawn into again by water outlet pipe 13 and is exported, in the second installation ring 8 between water inlet pipe 7 and branch pipe 18 during the use of diaphragm negative pressure water pumping, fixed filter screen 17, some particulate impurities etc. in the water body drawn into the inside of diaphragm pump can be assisted filtration removal through the filter screen 17 set, reduce the particulate impurities in the inside of diaphragm pump during the water pumping and water conveying, when the filter screen 17 in the second installation ring 8 appears the blockage condition, can open first switch valve 14 and then close second switch valve 15, the water body in the inside of water inlet pipe 7 can be introduced into the first installation ring 5 by second connecting pipe 6 after filtration by filter screen 17 and then continue to be introduced into the inside of water inlet 3 by first connecting pipe 4 and carry out water pumping operation, during the water pumping process, it is not necessary to stop and handle, simultaneously, diaphragm pump can be used after installation, on the right side of the top of connecting plate 12, after the fixed plug 22 of the bottom of the setting outer cover 9 two ends is inserted into the inside of the slot 23 correspondingly, diaphragm pump can be installed and fixed on the top of connecting plate 12 outside, the outside of diaphragm pump can be covered and prevented from impacting and protected by the setting outer cover 9, the diaphragm pump adopts compressed air as power source, for various corrosive liquids, liquid with particles, high viscosity, volatile, flammable, toxic liquid, can be pumped and exhausted, compressed air enters main pump body 1 through pneumatic valve 12, eardrum piece 2 will move left and right to move back and forth, by compressed air left and right ceaseless lifting corresponding stop ball 4 on partition plate 6, in order to guide material from feed pipe 9 into main pump body 1, from discharge pipe 16 and export main pump body 1, and the outside of feed pipe 9 is connected with air pipe by disc 27, when eardrum piece 2 moves back and forth and presses material, longitudinal vertical plate 28 intercepts large particle material, and rear motor 30 is opened synchronously, and rotating blade 31 on the front surface of disc 27 is cut and shredded, so that it passes through a plurality of groups of leakage holes 29 and is introduced into main pump body 1 from feed pipe 9.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A pneumatic diaphragm pump with filter structure, comprising a pump body (2), characterized in that: The left side of the pump body (2) is fixed with a connecting seat (1), and the bottom end of the connecting seat (1) is fixed with a water outlet pipe (13), the top end of the connecting seat (1) is fixed with a water inlet (3), and the top end of the water inlet (3) is provided with a water inlet pipe (7), the top end of the pump body (2) is provided with an air compressor (10), the inside of the bottom end of the pump body (2) is provided with a fixed bolt (11), the bottom end of the pump body (2) is provided with a connecting plate (12), and the top end of the connecting plate (12) is provided with an outer cover (9), the bottom end of the water inlet pipe (7) is provided with a second mounting ring (8), and the bottom end of the second mounting ring (8) is provided with a branch pipe (18), the left side of the water inlet pipe (7) is fixed with a second connecting pipe (6), and the second connecting pipe (6) is provided with a first switch valve (14), the water inlet pipe (7) is provided with a second switch valve (15), the left side of the second mounting ring (8) is provided with a first mounting ring (5), the left side of the branch pipe (18) is fixed with a first connecting pipe (4), the inside of the first mounting ring (5) and the second mounting ring (8) is respectively fixed with a filter screen (17), and the bottom end of the second connecting pipe (6) and the water inlet pipe (7) outside and the top end of the first connecting pipe (4) and the branch pipe (18) outside are respectively fixed with a mounting flange (16).

2. The air operated diaphragm pump with filter structure according to claim 1, characterized in that: The inside of the first connecting pipe (4), the second connecting pipe (6), the water inlet pipe (7) and the branch pipe (18) is respectively connected.

3. The air operated diaphragm pump with filter structure of claim 1, wherein: The mounting flange (16) is provided with a connecting bolt (20), and the connecting bolt (20) penetrates the inside of the mounting flange (16), the connecting bolt (20) is annularly and equidistantly provided with five groups on the mounting flange (16), the inside of the top end and the bottom end of the first mounting ring (5) is respectively provided with a connecting hole (19), and the connecting hole (19) is annularly and equidistantly provided with five groups on the top end and the bottom end of the first mounting ring (5) and the second mounting ring (8).

4. The air operated diaphragm pump with filter structure of claim 1, wherein: The both ends of the bottom of the outer cover (9) are respectively fixed with an insertion strip (22), the both ends of the top of the connecting plate (12) are respectively provided with an insertion slot (23), and the both sides of the insertion slot (23) penetrate the inside of the both sides of the connecting plate (12).

5. The air operated diaphragm pump with filter structure of claim 4, wherein: The insertion strip (22) penetrates the inside of the insertion slot (23).

6. The air operated diaphragm pump with filter structure of claim 1, wherein: The inside of the both ends of the outer cover (9) is respectively vertically provided with a ventilation groove (21).

7. The air operated diaphragm pump with filter structure of claim 1, wherein: The both sides of the both ends of the top of the connecting plate (12) are respectively provided with a mounting slot (26), and the mounting slot (26) penetrates the inside of the connecting plate (12), the both sides of the both ends of the top of the connecting plate (12) are respectively provided with a mounting bolt (25), and the outside of the mounting bolt (25) is provided with a gasket (24).

8. The air operated diaphragm pump with filter structure of claim 7, wherein: The bottom end of the mounting bolt (25) penetrates the inside of the mounting slot (26).