Pneumatic diaphragm pump convenient to install

Abstract

The utility model relates to a pneumatic diaphragm pump convenient to install, which comprises a feeding pipeline, a discharging pipeline, a pneumatic assembly, a first cylinder body and a second cylinder body, the first cylinder body is provided with an upper pumping pipe and a lower pumping pipe, the second cylinder body is provided with an upper pumping pipe and a lower pumping pipe, and the two lower pumping pipes are connected with branches on two sides of the feeding pipeline through lower flange plates. According to the technical scheme, upper hinge lugs are arranged at the two ends of the outer wall of the feeding pipeline respectively, lower hinge lugs are arranged at the two ends of the outer wall of the discharging pipeline respectively, the upper hinge lugs and the lower hinge lugs are used for being hinged to telescopic cylinders for disassembly, a support is arranged in the middle of the feeding pipeline, a lifting cylinder is arranged on the support, and the lifting cylinder is connected with the lifting cylinder. The top of the lifting cylinder is provided with a support, the upper surface of the support is provided with a cambered surface matched with a pneumatic assembly shell, the lower end of the cambered surface is provided with a supporting roller, and the axis of the supporting roller is parallel to the horizontal plane and perpendicular to a pneumatic rod of the pneumatic assembly. The problem that mounting and dismounting are strenuous is solved, and mounting and dismounting efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic diaphragm pumps, in particular to a pneumatic diaphragm pump which is easy to install. Background Art

[0002] A pneumatic diaphragm pump is a new type of conveying machine powered by compressed air. It can completely pump out a wide range of corrosive liquids, liquids containing particles, and liquids that are highly viscous, volatile, flammable, and highly toxic. A pneumatic diaphragm pump consists of a feed line, a discharge line, a pneumatic assembly, and a first and second cylinder bodies connected to the pneumatic assembly at both ends. The feed line and discharge line are connected to the first and second cylinder bodies, respectively. Large pneumatic diaphragm pumps are relatively heavy, making installation and removal of the feed line, discharge line, and two cylinder bodies laborious. Utility Model Content

[0003] The purpose of the utility model is to provide a pneumatic diaphragm pump with a reasonable structure, reliable use and easy installation, so as to solve the problem of laborious installation and disassembly and significantly improve the installation and disassembly efficiency.

[0004] The technical solution of the utility model is:

[0005] A pneumatic diaphragm pump that is easy to install, comprising a feed pipeline, a discharge pipeline, a pneumatic assembly, a first cylinder body and a second cylinder body connected to both ends of the pneumatic assembly, the first cylinder body being provided with an upper pumping pipe and a lower pumping pipe, the second cylinder body being provided with an upper pumping pipe and a lower pumping pipe, the two lower pumping pipes being connected to the two side branches of the feed pipeline by means of a lower flange, the two upper pumping pipes being connected to the two side branches of the discharge pipeline by means of an upper flange, the technical key points of which are: the outer wall of the feed pipeline is provided with lower hinged ears at both ends, respectively , upper hinge ears are respectively provided at both ends of the outer wall of the discharge pipeline, the upper hinge ears correspond to the lower hinge ears one by one, and the corresponding upper hinge ears and lower hinge ears are used for hinged disassembly of the telescopic cylinder, a support is provided on the middle section of the feed pipeline, a lifting cylinder is provided on the support, a bracket is provided on the top of the lifting cylinder, the upper surface of the bracket is provided with an arc surface matching the outer shell of the pneumatic component, and a supporting roller is provided at the lower end of the arc surface, the axis of the supporting roller is parallel to the horizontal plane and perpendicular to the pneumatic rod of the pneumatic component.

[0006] The above-mentioned pneumatic diaphragm pump is easy to install, and the first cylinder body and the second cylinder body respectively include an outer cylinder seat and an inner cylinder seat connected to the outer cylinder seat by a flange surface and a bolt pair. The upper and lower parts of the outer cylinder seat are connected to the upper pumping pipe and the lower pumping pipe, and the inner cylinder seat is connected to the outer casing of the pneumatic component.

[0007] The beneficial effects of the utility model are:

[0008] During installation, a bracket is used to support the connector composed of the pneumatic assembly and the first and second cylinder bodies, and the connector is pushed so that the two lower pumping pipes are aligned with the lower flanges of the two side branches of the feed pipeline. The supporting rollers reduce friction, making the push more labor-saving. The lifting cylinder is then used to adjust the height so that the lower pumping pipes are connected to the lower flanges of the feed pipeline, and then the bolt pair is used to connect and fix them. During disassembly, the disassembly telescopic cylinder is first installed between the upper hinge ear and the lower hinge ear. After removing the lower bolt pair, the disassembly telescopic cylinder is started to remove the connector from the feed pipe and lift the connector so that it can be sent to the lifting rack under the connector. The disassembly telescopic cylinder is then used to lower the connector and place it on the upper surface of the lifting rack. Finally, the disassembly telescopic cylinder is removed and the connector is sent to the maintenance station using the lifting rack. The utility model solves the problem of labor-intensive installation and disassembly, and significantly improves the installation and disassembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural diagram of the utility model;

[0010] Figure 2 yes Figure 1 Middle AA section;

[0011] Figure 3 It is an accurate schematic diagram of the utility model before disassembly and assembly.

[0012] In the figure: 1. Discharge pipe, 2. Branch, 3. Upper hinge ear, 4. Upper flange, 5. Upper pumping pipe, 6. Outer cylinder seat, 7. Lower pumping pipe, 8. Branch, 9. Feed pipe, 10. Lower flange, 11. Lower hinge ear, 12. Support, 13. Lifting cylinder, 14. Bracket, 15. Pneumatic assembly, 16. Inner cylinder seat, 17. Pneumatic rod, 18. Support roller, 19. Telescopic cylinder for disassembly. DETAILED DESCRIPTION

[0013] The utility model is described in detail according to the accompanying drawings.

[0014] like Figures 1 to 3 As shown, the pneumatic diaphragm pump, which is easy to install, includes a feed pipeline 9, a discharge pipeline 1, a pneumatic component 15, a first cylinder body and a second cylinder body connected to both ends of the pneumatic component 15, the first cylinder body is provided with an upper pumping pipe 5 and a lower pumping pipe 7, the second cylinder body is provided with an upper pumping pipe 5 and a lower pumping pipe 7, the two lower pumping pipes 7 are connected to the two side branches 8 of the feed pipeline 9 by using the lower flange 10, and the two upper pumping pipes 5 are connected to the two side branches 2 of the discharge pipeline 1 by using the upper flange 4.

[0015] The feed pipe 9 has lower hinged ears 11 at each end of its outer wall, and the discharge pipe 1 has upper hinged ears 3 at each end of its outer wall. These upper hinged ears 3 correspond one-to-one with the lower hinged ears 11, and these corresponding upper hinged ears 3 and lower hinged ears 11 are used to articulate a telescopic cylinder 19 for disassembly. A support 12 is provided in the middle section of the feed pipe 9, on which a lifting cylinder 13 is mounted. A bracket 14 is located on the top of the lifting cylinder 13. The upper surface of the bracket 14 has an arcuate surface that matches the outer shell of the pneumatic assembly 15, and the lower end of the arcuate surface is equipped with a support roller 18. The axis of the support roller 18 is parallel to the horizontal plane and perpendicular to the pneumatic rod 17 of the pneumatic assembly 15. The number of support rollers 18 is set as needed.

[0016] In this embodiment, the first cylinder body and the second cylinder body respectively include an outer cylinder seat 6 and an inner cylinder seat 16 connected to the outer cylinder seat 6 by a flange surface and a bolt pair. The upper and lower parts of the outer cylinder seat 6 are connected to the upper pumping pipe 5 and the lower pumping pipe 7, and the inner cylinder seat 16 is connected to the outer shell of the pneumatic component 15.

[0017] During installation, the bracket 13 is used to support the connector composed of the pneumatic component 15 and the first cylinder body and the second cylinder body, and the connector is pushed to align the two lower pumping pipes 7 with the lower flanges 10 of the two side branches of the feed pipeline 9. Then the lifting cylinder 13 is used to adjust the height so that the lower pumping pipe 7 is connected to the lower flange 10 of the feed pipeline 9, and then fixed with a bolt pair; finally, the discharge pipeline 1 is connected to the two upper pumping pipes 5.

[0018] During disassembly, first install the disassembly telescopic cylinder 19 between the upper hinge ear 3 and the lower hinge ear 11, remove the bolt pair connecting the feed pipeline 9 and the lower pumping pipe 7, start the disassembly telescopic cylinder 19, and the connector can be removed from the feed pipeline 9. Lift the connector so that it can be sent to the lifting rack under the connector, and then move the disassembly telescopic cylinder rod downward to place the connector and the discharge pipeline 1 on the upper surface of the lifting rack. Finally, after removing the disassembly telescopic cylinder 19 and the discharge pipeline 1, use the lifting rack to send the connector to the maintenance station.

[0019] The above detailed description of the embodiments of the present invention is intended to be a preferred embodiment of the present invention and should not be construed as limiting the scope of implementation of the present invention. Any equivalent changes and improvements made within the scope of the present invention shall still fall within the scope of this patent.

Claims

1. An easily installed pneumatic diaphragm pump comprising a feed pipeline, a discharge pipeline, a pneumatic assembly, a first cylinder body and a second cylinder body connected to both ends of the pneumatic assembly, wherein the first cylinder body is provided with an upper pumping pipe and a lower pumping pipe, and the second cylinder body is provided with an upper pumping pipe and a lower pumping pipe, the two lower pumping pipes are connected to the two side branches of the feed pipeline by means of a lower flange, and the two upper pumping pipes are connected to the two side branches of the discharge pipeline by means of an upper flange, characterized in that: The two ends of the outer wall of the feed pipeline are respectively provided with lower hinged ears, and the two ends of the outer wall of the discharge pipeline are respectively provided with upper hinged ears, the upper hinged ears correspond to the lower hinged ears one by one, and the upper hinged ears and lower hinged ears corresponding to each other are used for the telescopic cylinder for hinged disassembly, a support is provided on the middle section of the feed pipeline, a lifting cylinder is provided on the support, a bracket is provided on the top of the lifting cylinder, the upper surface of the bracket is provided with an arc surface matching the outer shell of the pneumatic component, and a support roller is provided at the lower end of the arc surface, the axis of the support roller is parallel to the horizontal plane and perpendicular to the pneumatic rod of the pneumatic component.

2. The pneumatic diaphragm pump that is easy to install according to claim 1, characterized in that: The first cylinder body and the second cylinder body respectively include an outer cylinder seat and an inner cylinder seat connected to the outer cylinder seat by a flange surface and a bolt pair. The upper and lower parts of the outer cylinder seat are connected to the upper pumping pipe and the lower pumping pipe, and the inner cylinder seat is connected to the outer shell of the pneumatic component.

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