Diaphragm pump convenient to disassemble

Abstract

The utility model relates to the field of diaphragm pumps, in particular to a diaphragm pump convenient to disassemble, which comprises a pump body and connecting cavity covers positioned on two sides of the pump body, a base is arranged at the bottom of the pump body, a fixed cover is arranged at the top of the pump body, the base is connected with the fixed cover through a first bolt, the first bolt penetrates through the pump body, and the first bolt is connected with the pump body. And a detachable structure is adopted, so that convenience is brought to disassembly, internal cleaning and maintenance.

Description

Technical Field

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

[0002] A diaphragm pump is a positive displacement pump that draws in and discharges liquid through the reciprocating motion of a diaphragm. It consists of one or more diaphragms that isolate the pump chamber from the liquid being transported, thereby protecting the piston and cylinder from liquid erosion. Diaphragm pumps can transport a variety of corrosive liquids, liquids with particles, high-viscosity liquids, volatile, flammable and highly toxic liquids, etc. Diaphragm pumps can be divided into three types: pneumatic, electric and hydraulic, depending on the power used by the actuator. Pneumatic diaphragm pumps use compressed air as their power source.

[0003] Since the diaphragm pump needs to be cleaned and maintained inside after a period of use, this process is a common operation in the use cycle of the diaphragm pump.

[0004] Due to the influence of design and functional requirements, the overall disassembly and assembly of existing diaphragm pumps requires numerous disassembly and assembly processes, and the cleaning process is relatively complicated, which seriously affects the efficiency of the diaphragm pump. The conventional pump valve is set in the middle and the cover body is on both sides, requiring the disassembly of multiple parts. Utility Model Content

[0005] In order to solve the problems mentioned in the above background technology, it is proposed to adopt a detachable structure, which is convenient for disassembly to clean the interior and facilitate maintenance.

[0006] The technical solution of the utility model is: a diaphragm pump that is easy to disassemble, including a pump body and connecting cavity covers located on both sides of the pump body, a base is provided at the bottom of the pump body, and a fixed cover is provided at the top of the pump body. The base and the fixed cover are connected by a first bolt, and the first bolt passes through the pump body.

[0007] Preferably, a bearing rod is provided inside the pump body, and the bearing rod includes a head and a tail. The tail of the bearing rod passes through the pump body, the head is connected to the air inlet device, and the bottom end of the tail is provided with an external thread, and the bearing rod is fixedly connected to the pump body by bolts.

[0008] Preferably, the pump body is provided with a connecting piece between the base and the fixing cover, and the connecting piece is detachably connected to the pump body.

[0009] Preferably, a water inlet is provided on one side of the base, and a water outlet is provided on the top of the fixed cover.

[0010] Preferably, one-way valves are provided at the water inlet and the water outlet to prevent backflow.

[0011] Preferably, a rubber pad is provided between the air inlet device and the bearing rod, the air inlet device includes a main body, silencers are provided at both ends of the main body, an exhaust port is provided at the top of the silencer, an air inlet part is provided at one end of the main body, and an air inlet is provided at one end of the air inlet part.

[0012] Preferably, the side wall of the bearing rod is provided with a first hole, a second hole and a third hole, the first hole and the third hole are air inlet holes, and the second hole is an air exhaust hole.

[0013] Preferably, a groove is provided inside the bearing rod, a cylinder is inserted into the groove, and the side wall of the cylinder is provided with a plurality of holes 1, 2 and 3 corresponding to the first hole, second hole and third hole of the bearing rod respectively.

[0014] Preferably, the pump body is provided with a material transfer port near the bearing rod, and the material transfer port passes through the pump body and is used for feeding materials.

[0015] Preferably, a threaded member is provided between the pump body and the bearing rod, the interior of the threaded member is plugged into the bearing rod, and the exterior of the threaded member is rotatably connected to the pump body.

[0016] Compared with the prior art, the present invention provides a diaphragm pump that is easy to disassemble, which has at least one of the following beneficial effects:

[0017] 1. The waterproof cover structure is formed by arranging the connecting piece, base, fixing cover and connecting cavity cover to achieve waterproof function;

[0018] 2. Simply remove the first bolt and the nut on the bearing rod to disassemble the base, fixing cover, bearing rod and air inlet device. The detachable structure makes it easy to disassemble and clean the interior and facilitate maintenance.

[0019] 3. One-way valves are installed at the water inlet and outlet to prevent backflow and improve product reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0021] Figure 1 It is a cross-sectional view of the main viewing direction of an embodiment of the present utility model.

[0022] Figure 2 It is a cross-sectional view of an embodiment of the utility model when viewed from the left.

[0023] Figure 3 It is a three-dimensional diagram of an embodiment of the present utility model.

[0024] Figure 4 This is a three-dimensional diagram of a bearing component according to an embodiment of the present invention.

[0025] Reference numerals

[0026] 1-Pump body; 11-Connecting plate; 12-Material transfer port; 13-Threaded member; 2-Connecting chamber cover 2; 3-Base 3; 31-Water inlet; 4-Fixed cover; 41-Water outlet; 5-First bolt; 6-Bearing rod; 61-Head; 62-Tail; 621-External thread; 622-Nut; 63-First hole; 64-Second hole; 65-Third hole; 66-Groove; 67-Cylinder; 68-Hole 1; 69-Hole 2; 610-Hole 3; 7-Air inlet device; 71-Rubber pad; 72-Main body; 73-Muffler; 74-Exhaust port; 8-One-way valve; 9-Air inlet member; 91-Air inlet; DETAILED DESCRIPTION

[0027] The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0028] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention.

[0029] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0030] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0031] It should be noted that the terms "comprises," "includes," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus comprising a series of elements includes not only those elements but also other elements not explicitly listed, or includes elements inherent to such process, method, article, or apparatus. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0032] like Figures 1 to 4 As shown, it includes a pump body 1 and a connecting cavity cover 2 located on both sides of the pump body, a base 3 is provided at the bottom of the pump body 1, a fixing cover 4 is provided on the top of the pump body 1, the base 3 and the fixing cover 4 are connected by a first bolt 5, and the first bolt 5 passes through the pump body 1; a bearing rod 6 is provided inside the pump body 1, the bearing rod 6 includes a head 61 and a tail 62, the tail of the bearing rod 6 passes through the pump body 1, the head 61 is connected to the air inlet device 7, and the bottom end of the tail 62 is provided with an external thread 621, and the bearing is fixed by a nut 622 The rod 6 is fixedly connected to the pump body 1; the pump body 1 is provided with a connecting piece 11 between the base 3 and the fixing cover 4, and the connecting piece 11 is detachably connected to the pump body 1; the connection piece 11, the base 3, the fixing cover 4 and the connection chamber cover 2 form a waterproof cover structure to achieve a waterproof function; the base 3, the fixing cover 4 and the bearing rod 6 can be removed together with the air inlet device 7 by simply removing the first bolt 5 and the nut 622 on the bearing rod 6. The detachable structure facilitates disassembly for cleaning the interior and facilitates maintenance;

[0033] A water inlet 31 is provided on one side of the base 3, and a water outlet 41 is provided on the top of the fixed cover 4; a one-way valve 8 is provided at each of the water inlet 31 and the water outlet 41 to prevent backflow and improve the reliability of the product; a rubber pad 71 is provided between the air inlet device 7 and the bearing rod 6, and the air inlet device 7 includes a main body 72, mufflers 73 are provided at both ends of the main body 72, an exhaust port 74 is provided at the top of the muffler 73, an air inlet part 9 is provided at one end of the main body 72, and an air inlet 91 is provided at one end of the air inlet part 9; a first hole 63, a second hole 64 and a third hole 65 are provided on the side wall of the bearing rod 6, and the first hole 63 and the third hole 65 are provided. Hole 65 is an air inlet hole, and the second hole 64 is an exhaust hole; a groove 66 is provided inside the bearing rod 6, and a cylinder 67 is inserted into the groove 66. The side walls of the cylinder 67 are respectively provided with a plurality of holes 1 68, 2 69, and 3 610 corresponding to the first hole 63, the second hole 64, and the third hole 65 of the bearing rod; a material transfer port 12 is provided near the bearing rod 6 of the pump body 1, and the material transfer port 12 passes through the pump body 1 for feeding materials; a threaded part 13 is provided between the pump body 1 and the bearing rod 6, and the threaded part 13 is internally inserted into the bearing rod, and the threaded part 13 is externally rotatably connected to the pump body 1.

[0034] Process flow: Water is introduced into the water inlet of the base, and a vacuum is formed by compressing the inside to discharge the water out of the water outlet. A one-way valve is installed inside to better avoid backflow. The air inlet device is equipped with a muffler to discharge the internal gas.

[0035] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

Claims

1. A diaphragm pump that is easy to disassemble, characterized in that: It includes a pump body and connection cavity covers located on both sides of the pump body. A base is provided at the bottom of the pump body and a fixed cover is provided at the top of the pump body. The base and the fixed cover are connected by a first bolt, and the first bolt passes through the pump body.

2. The diaphragm pump according to claim 1, wherein: A bearing rod is provided inside the pump body, and the bearing rod includes a head and a tail. The tail of the bearing rod passes through the pump body, the head is connected to the air inlet device, and the bottom end of the tail is provided with an external thread, and the bearing rod is fixedly connected to the pump body by bolts.

3. The diaphragm pump that is easy to disassemble according to claim 1, characterized in that: The pump body is provided with a connecting piece between the base and the fixing cover, and the connecting piece is detachably connected to the pump body.

4. The diaphragm pump that is easy to disassemble according to claim 1, characterized in that: A water inlet is provided on one side of the base, and a water outlet is provided on the top of the fixing cover.

5. The diaphragm pump that is easy to disassemble as claimed in claim 4, characterized in that: Both the water inlet and the water outlet are provided with one-way valves to prevent backflow.

6. The diaphragm pump that is easy to disassemble as claimed in claim 2, characterized in that: A rubber pad is provided between the air inlet device and the bearing rod. The air inlet device includes a main body, silencers are provided at both ends of the main body, an exhaust port is provided at the top of the silencer, an air inlet piece is provided at one end of the main body, and an air inlet is provided at one end of the air inlet piece.

7. The diaphragm pump that is easy to disassemble as claimed in claim 2, characterized in that: The side wall of the bearing rod is provided with a first hole, a second hole and a third hole. The first hole and the third hole are air inlet holes, and the second hole is an air exhaust hole.

8. The easily disassembled diaphragm pump according to claim 7, characterized in that: A groove is provided inside the bearing rod, a cylinder is inserted into the groove, and the side wall of the cylinder is respectively provided with a plurality of holes 1, 2 and 3 corresponding to the first hole, second hole and third hole of the bearing rod.

9. The diaphragm pump that is easy to disassemble as claimed in claim 2, characterized in that: The pump body is provided with a material transfer port near the bearing rod, and the material transfer port passes through the pump body and is used for feeding materials.

10. The easily disassembled diaphragm pump according to claim 2, characterized in that: A threaded component is provided between the pump body and the bearing rod. The interior of the threaded component is plugged into the bearing rod, and the exterior of the threaded component is rotatably connected to the pump body.

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