Pneumatic diaphragm pump convenient to clean

Abstract

The utility model discloses a pneumatic diaphragm pump convenient to clean, which relates to the technical field of pneumatic diaphragm pumps and comprises a diaphragm pump body, diaphragm covers are fixedly arranged on two sides of the diaphragm pump body, rotating seats are fixedly connected to the tops of the two diaphragm covers, and movable covers are rotatably connected to the inner sides of the rotating seats through rotating shafts. And the position of the movable cover corresponds to that of the diaphragm cover. According to the pneumatic diaphragm pump, the movable covers which can be rotatably opened are arranged on the surfaces of the diaphragm covers on the two sides of the pneumatic diaphragm pump, so that when a worker needs to clean and maintain a diaphragm in the pneumatic diaphragm pump, the operation knob can be directly rotated to drive the positioning clamping blocks to move downwards, and the positioning clamping blocks are separated from the surfaces of mounting insertion plates at the bottoms of the movable covers; therefore, the movable cover can be turned upwards to be opened, a worker can conveniently clean and maintain a diaphragm in the diaphragm cover, the mounting and dismounting process is simple and convenient, a large number of bolts do not need to be dismounted through tools, and the purpose of convenient maintenance is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pneumatic diaphragm pump technical field especially, relate to a kind of pneumatic diaphragm pump of easy cleaning. BACKGROUND

[0002] Pneumatic diaphragm pump in use process, the side of diaphragm and liquid contact is easy to attach impurity, long time needs to clean diaphragm,

[0003] However, the diaphragm cover of the surface of the pneumatic diaphragm pump in the prior art is fixedly installed on the surface of the diaphragm pump by a plurality of bolts, which needs to use tools when disassembling, and it is time-consuming and tedious to disassemble a large number of bolts, and when reinstalling the cover, the sealing of the diaphragm pump may be affected.

[0004] Therefore, we design a kind of pneumatic diaphragm pump of easy cleaning, it is convenient for staff to install and disassemble the diaphragm cover of pneumatic diaphragm pump, to realize the purpose of easy maintenance. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of pneumatic diaphragm pump of easy cleaning, to realize the above-mentioned purpose, the utility model has adopted the following technical solutions:

[0006] A kind of pneumatic diaphragm pump of easy cleaning, including diaphragm pump body, the both sides of the diaphragm pump body are fixedly provided with diaphragm cover, the top of two the diaphragm cover is fixedly connected with rotating seat, the inner side of the rotating seat is rotatably connected with movable cover by rotating shaft, the position of the movable cover corresponds with diaphragm cover, and the size of movable cover is matched with diaphragm cover, the bottom of the diaphragm cover is provided with fastening assembly, and the fastening assembly is used for the location and fixed of movable cover;

[0007] The fastening assembly includes the positioning mounting block fixedly connected at the bottom end of diaphragm cover, the surface of the positioning mounting block is equipped with rectangular limit slot, the bottom end of the movable cover is fixedly connected with installation plugboard, the installation plugboard is inserted and installed in the inside of rectangular limit slot, the lower surface of the positioning mounting block is fixedly connected with positioning shell, the lower surface of the positioning shell is rotatably provided with positioning screw rod, the top end of the positioning screw rod extends to the inside of positioning shell, and the surface of the positioning screw rod is threadedly connected with positioning clamping block.

[0008] In a preferred scheme, the position of the positioning clamping block corresponds to the positioning mounting block, the surface of the side of the positioning clamping block close to the positioning mounting block is inclined surface structure, and the inclined surface of the positioning clamping block is fixedly connected with rubber abutting pad, and the rubber abutting pad is overlapped with the surface of the positioning mounting block.

[0009] In a preferred scheme, the positioning screw extends to the outside of the positioning shell from the end of the positioning block, and the end of the positioning screw is fixedly connected with an operation knob, and the surface of the positioning block is provided with a threaded groove matched with the positioning screw.

[0010] In a preferred scheme, the surface of the positioning mounting block is provided with a rectangular limiting hole matched with the positioning block, and the positioning block is in sliding connection with the inner wall of the rectangular limiting hole.

[0011] In a preferred scheme, the inner side of the diaphragm cover is fixedly connected with an annular sealing ring, the surface of the annular sealing ring is provided with a circular sealing groove, the inner side of the movable cover is fixedly connected with a rubber sealing strip in the shape of a ring, the rubber sealing strip is matched with the circular sealing groove in size, and the rubber sealing strip is inserted into the inner wall of the circular sealing groove.

[0012] In a preferred scheme, the front surface of the diaphragm pump body is fixedly provided with a second liquid inlet pipe, the input end of the second liquid inlet pipe is fixedly connected with a impurity removal assembly, the impurity removal assembly comprises an impurity removal cylinder, the input end of the impurity removal cylinder is fixedly connected with a first liquid inlet pipe, the inner wall of the impurity removal cylinder is fixedly connected with a mounting partition plate, the surface of the mounting partition plate is fixedly embedded with a filter screen, the surface of the mounting partition plate is rotatably connected with a linkage shaft rod through a bearing, and the surface of the linkage shaft rod is fixedly connected with a plurality of guide vanes.

[0013] In a preferred scheme, the surface of the linkage shaft rod is symmetrically provided with two movable frames, the surface of the movable frame is fixedly connected with a strip-shaped brush, the surface of the strip-shaped brush is in sliding connection with the surface of the filter screen, the bottom of the impurity removal cylinder is fixedly embedded with a pollution discharge box, the position of the pollution discharge box corresponds to the filter screen and the strip-shaped brush, the bottom of the pollution discharge box is provided with a pollution discharge opening, the inner wall of the pollution discharge opening is mounted with a sealing plate, and the sealing plate is mounted on the lower surface of the pollution discharge box through bolts.

[0014] As can be seen, the diaphragm pump provided by the utility model has the following technical effects.

[0015] Firstly, the movable cover that can be rotatably opened is arranged on the surface of the diaphragm cover of the diaphragm pump, when the staff needs to clean and maintain the diaphragm inside the diaphragm pump, the positioning block can be directly moved downward by rotating the operation knob, so that the surface of the mounting plug plate at the bottom of the movable cover is separated from the positioning block, the movable cover can be turned upward and opened, the staff can clean and maintain the diaphragm inside the diaphragm cover, the mounting and dismounting process is simple and convenient, a large number of bolts do not need to be dismounted by using tools, and the purpose of convenient maintenance is achieved.

[0016] Secondly, by setting the impurity removal assembly on the surface of the liquid inlet pipe of the pneumatic diaphragm pump, the filter screen inside the impurity removal cylinder can filter and remove impurities in the liquid entering the pneumatic diaphragm pump, so that the impurities in the liquid are prevented from entering the pneumatic diaphragm pump, which is beneficial to improve the operation effect of the pneumatic diaphragm pump, and the flowing liquid can drive the guide vane to rotate, and then drive the movable frame and the strip-shaped brush on the surface of the linkage shaft rod to rotate, so that the strip-shaped brush can scrape and clean the impurities accumulated on the surface of the filter screen, and the impurities can be collected by the sewage box, so that the worker can open the sewage box to clean the sewage. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front view structural schematic diagram of the utility model.

[0018] Figure 2 It is a movable cover opening state structural schematic diagram of the utility model.

[0019] Figure 3 It is a local side sectional structural schematic diagram of the utility model.

[0020] Figure 4 It is Figure 3 It is an enlarged structural schematic diagram of A in the middle.

[0021] Figure 5 It is a fastening assembly side sectional structural schematic diagram of the utility model.

[0022] In the drawings: 1, diaphragm pump body; 2, diaphragm cover; 3, impurity removal assembly; 4, movable cover; 5, fastening assembly; 6, annular sealing ring; 7, circular sealing groove; 8, rubber sealing strip; 9, second liquid inlet pipe; 10, first liquid inlet pipe; 11, rotating seat;

[0023] 301, impurity removal cylinder; 302, installation partition; 303, filter screen; 304, linkage shaft rod; 305, guide vane; 306, movable frame; 307, strip-shaped brush; 308, sewage box; 309, sealing plate;

[0024] 501, positioning installation block; 502, rectangular limiting groove; 503, installation plugboard; 504, positioning shell; 505, positioning screw; 506, positioning clamping block; 507, rubber pressing pad; 508, operation knob; 509, screw groove; 510, rectangular limiting hole. DETAILED DESCRIPTION

[0025] 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, not all the embodiments.

[0026] Reference Figure 1 andFigure 2 The utility model provides a pneumatic diaphragm pump of convenient cleaning, including diaphragm pump body 1, both sides of diaphram pump body 1 are fixedly provided with diaphragm cover 2, and the top of two diaphragm covers 2 is fixedly connected with rotating seat 11, and the inner side of rotating seat 11 is rotatably connected with movable cover 4 through rotating shaft, and the position of movable cover 4 corresponds with diaphragm cover 2, and the size of movable cover 4 is matched with diaphragm cover 2.

[0027] Need to explain, the inner side of diaphragm cover 2 is fixedly connected with annular sealing ring 6, and the surface of annular sealing ring 6 is provided with circular sealing groove 7, and the inner side of movable cover 4 is fixedly connected with rubber sealing strip 8 in the form of circular ring, and the size of rubber sealing strip 8 is matched with circular sealing groove 7, and rubber sealing strip 8 is inserted in the inner wall of circular sealing groove 7.

[0028] Worth mentioning is that by setting rubber sealing strip 8 and annular sealing ring 6 on the inner side of movable cover 4 and diaphragm cover 2, when closing movable cover 4 and diaphragm cover 2, can utilize rubber sealing strip 8 to insert into the circular sealing groove 7 on the surface of annular sealing ring 6, can improve the waterproof and sealing performance between movable cover 4 and diaphragm cover 2.

[0029] Reference Figure 3 And Figure 4 In a preferred embodiment, the front of diaphragm pump body 1 is fixedly provided with second liquid inlet pipe 9, and the input end of second liquid inlet pipe 9 is fixedly connected with impurity removal assembly 3, and impurity removal assembly 3 includes impurity removal cylinder 301, and the input end of impurity removal cylinder 301 is fixedly connected with first liquid inlet pipe 10, and the inner wall of impurity removal cylinder 301 is fixedly connected with mounting partition plate 302, and the surface of mounting partition plate 302 is fixedly embedded with filter screen 303, and the surface of mounting partition plate 302 is rotatably connected with linkage shaft 304 through bearing, and the surface of linkage shaft 304 is fixedly connected with a plurality of guide vanes 305.

[0030] The surface of linkage shaft 304 is symmetrically provided with two movable racks 306, and the surface of movable rack 306 is fixedly connected with strip brush 307, and strip brush 307 is slidably connected with the surface of filter screen 303, and the bottom of impurity removal cylinder 301 is fixedly embedded with blowdown box 308, and the position of blowdown box 308 corresponds with filter screen 303 and strip brush 307, and the bottom of blowdown box 308 is provided with blowdown port, and the inner wall of blowdown port is mounted with sealing plate 309, and sealing plate 309 is mounted on the lower surface of blowdown box 308 through bolt.

[0031] It is worth noting that by arranging the impurity removal assembly 3 between the first liquid inlet pipe 10 and the second liquid inlet pipe 9 of the pneumatic diaphragm pump, the filter screen 303 inside the impurity removal cylinder 301 can be used to filter and remove impurities from the liquid entering the pneumatic diaphragm pump, preventing impurities in the liquid from entering the interior of the pneumatic diaphragm pump, which is beneficial to improve the operation effect of the pneumatic diaphragm pump. In addition, the flowing liquid can drive the guide vanes 305 to rotate inside the impurity removal cylinder 301, thereby driving the movable frame 306 and the strip brush 307 on the surface of the linkage shaft 304 to rotate. The strip brush 307 can be used to scrape and clean the impurities accumulated on the surface of the filter screen 303, and the pollution box 308 can be used to collect the impurities. After closing the liquid inlet, the sealing plate 309 at the bottom of the pollution box 308 can be opened, and the pollution outlet at the bottom of the pollution box 308 can be used to clean and discharge the pollutants.

[0032] Referring to Figure 1 and Figure 5 In a preferred embodiment, the bottom of the diaphragm cover 2 is provided with a fastening assembly 5 for limiting and fixing the movable cover 4. The fastening assembly 5 includes a positioning mounting block 501 fixedly connected to the bottom end of the diaphragm cover 2, a rectangular limiting groove 502 is formed on the surface of the positioning mounting block 501, an installation plug plate 503 is fixedly connected to the bottom end of the movable cover 4, the installation plug plate 503 is inserted and installed inside the rectangular limiting groove 502, a positioning shell 504 is fixedly connected to the lower surface of the positioning mounting block 501, a positioning screw 505 is rotatably arranged on the lower surface of the positioning shell 504, the top end of the positioning screw 505 extends into the interior of the positioning shell 504, and a positioning clamping block 506 is threadedly connected to the surface of the positioning screw 505.

[0033] Referring to Figure 5 In a preferred embodiment, a rectangular limiting hole 510 is formed on the surface of the positioning mounting block 501, the size of the rectangular limiting hole 510 matches the positioning clamping block 506, and the positioning clamping block 506 is slidably connected with the inner wall of the rectangular limiting hole 510.

[0034] It should be noted that the end of the positioning screw 505 away from the positioning clamping block 506 extends to the outside of the positioning shell 504, and an operation knob 508 is fixedly connected to the end of the positioning screw 505. A threaded groove 509 matching the positioning screw 505 is formed on the surface of the positioning clamping block 506.

[0035] It should be further noted that the position of the positioning clamping block 506 corresponds to the positioning mounting block 501, the surface of the side of the positioning clamping block 506 close to the positioning mounting block 501 is inclined, and a rubber tight pad 507 is fixedly connected to the inclined surface of the positioning clamping block 506, and the rubber tight pad 507 is lapped with the surface of the positioning mounting block 501.

[0036] When closing the movable cover 4, the mounting plug plate 503 at the bottom of the movable cover 4 is inserted into the rectangular limiting groove 502 on the surface of the positioning mounting block 501, then the operating knob 508 is rotated to drive the positioning screw 505 to rotate, the positioning screw 505 drives the positioning clamping block 506 to move upward, and the rubber abutting pad 507 on the inclined surface of the positioning clamping block 506 is used to abut and limit the mounting plug plate 503, thereby achieving the effect of fastening the movable cover 4.

[0037] It is worth noting that by arranging the rotatable movable cover 4 on the surface of the diaphragm cover 2 on both sides of the pneumatic diaphragm pump, when the staff needs to clean and maintain the diaphragm inside the pneumatic diaphragm pump, the operating knob 508 can be directly rotated to drive the positioning clamping block 506 to move downward, so that the positioning clamping block 506 is separated from the surface of the mounting plug plate 503 at the bottom of the movable cover 4, thereby the movable cover 4 can be flipped open upward, and then the staff can clean and maintain the diaphragm inside the diaphragm cover 2, the mounting and dismounting process is simple and convenient, without the need to use tools to dismount a large number of bolts, and the purpose of convenient maintenance is achieved.

[0038] Working principle: when the diaphragm inside the pneumatic diaphragm pump needs to be cleaned or maintained and replaced, the operating knob 508 is first rotated to drive the positioning screw 505 to rotate, the positioning screw 505 drives the positioning clamping block 506 to move downward, and the positioning clamping block 506 is moved downward into the positioning shell 504, and the positioning clamping block 506 is separated from the surface of the mounting plug plate 503 at the bottom of the movable cover 4, thereby releasing the limiting of the mounting plug plate 503, then the movable cover 4 is flipped open upward, so that the opening of the diaphragm cover 2 is completely exposed outside, thereby facilitating the staff to clean or maintain the diaphragm in the diaphragm cover 2, and facilitating the staff to clean and maintain the operation.

[0039] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. According to the technical solution and the inventive concept of the present application, equivalent replacement or change is covered within the protection scope of the present application.

Claims

1. A pneumatic diaphragm pump with easy cleaning, comprising a diaphragm pump body (1), characterized in that, Both sides of the diaphragm pump body (1) are fixedly provided with diaphragm covers (2), the top of each of the two diaphragm covers (2) is fixedly connected with a rotating seat (11), the inner side of the rotating seat (11) is rotatably connected with a movable cover (4) through a rotating shaft, the position of the movable cover (4) corresponds to the diaphragm cover (2), and the size of the movable cover (4) matches the diaphragm cover (2), and the bottom of the diaphragm cover (2) is provided with a fastening assembly (5) for limiting and fixing the movable cover (4); The fastening assembly (5) comprises a positioning mounting block (501) fixedly connected to the bottom end of the diaphragm cover (2), a rectangular limiting groove (502) is formed in the surface of the positioning mounting block (501), the bottom end of the movable cover (4) is fixedly connected with a mounting plug plate (503), the mounting plug plate (503) is inserted and mounted in the rectangular limiting groove (502), the lower surface of the positioning mounting block (501) is fixedly connected with a positioning shell (504), the lower surface of the positioning shell (504) is rotatably provided with a positioning screw (505), the top end of the positioning screw (505) extends into the positioning shell (504), and the surface of the positioning screw (505) is threadedly connected with a positioning clamping block (506).

2. A self-cleaning air operated diaphragm pump according to claim 1, wherein, The position of the positioning clamping block (506) corresponds to the positioning mounting block (501), the surface of one side of the positioning clamping block (506) close to the positioning mounting block (501) is in an inclined surface structure, and the inclined surface of the positioning clamping block (506) is fixedly connected with a rubber abutting pad (507), and the rubber abutting pad (507) is lapped with the surface of the positioning mounting block (501).

3. A self-cleaning air operated diaphragm pump according to claim 2, wherein, The end of the positioning screw (505) away from the positioning clamping block (506) extends to the outside of the positioning shell (504), and the end of the positioning screw (505) is fixedly connected with an operation knob (508), and the surface of the positioning clamping block (506) is provided with a threaded groove (509) matched with the positioning screw (505).

4. A self-cleaning air operated diaphragm pump according to claim 3, wherein, The surface of the positioning mounting block (501) is provided with a rectangular limiting hole (510), the size of the rectangular limiting hole (510) matches the positioning clamping block (506), and the positioning clamping block (506) is slidably connected with the inner wall of the rectangular limiting hole (510).

5. A self-cleaning air operated diaphragm pump according to claim 1, wherein, The inner side of the diaphragm cover (2) is fixedly connected with an annular sealing ring (6), the surface of the annular sealing ring (6) is provided with a circular sealing groove (7), the inner side of the movable cover (4) is fixedly connected with a rubber sealing strip (8) in a circular ring shape, the size of the rubber sealing strip (8) matches the circular sealing groove (7), and the rubber sealing strip (8) is inserted in the inner wall of the circular sealing groove (7).

6. A self-cleaning air operated diaphragm pump according to claim 1, wherein, The front surface of the diaphragm pump body (1) is fixedly provided with a second liquid inlet pipe (9), the input end of the second liquid inlet pipe (9) is fixedly connected with a impurity removal assembly (3), the impurity removal assembly (3) comprises an impurity removal cylinder (301), the input end of the impurity removal cylinder (301) is fixedly connected with a first liquid inlet pipe (10), the inner wall of the impurity removal cylinder (301) is fixedly connected with a mounting partition plate (302), the surface of the mounting partition plate (302) is fixedly embedded with a filter screen (303), the surface of the mounting partition plate (302) is rotatably connected with a linkage shaft rod (304) through a bearing, and the surface of the linkage shaft rod (304) is fixedly connected with a plurality of guide vanes (305).

7. A self-cleaning air operated diaphragm pump according to claim 6, wherein, The surface of the linkage shaft rod (304) is symmetrically provided with two movable racks (306), the surface of the movable rack (306) is fixedly connected with a strip-shaped brush (307), the strip-shaped brush (307) is slidably connected with the surface of the filter screen (303), the bottom of the impurity removal cylinder (301) is fixedly embedded with a blowdown box (308), the position of the blowdown box (308) corresponds to the filter screen (303) and the strip-shaped brush (307), the bottom of the blowdown box (308) is provided with a blowdown opening, the inner wall of the blowdown opening is mounted with a sealing plate (309), and the sealing plate (309) is mounted on the lower surface of the blowdown box (308) through bolts.

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