Air chamber mounting structure of plunger pump

Abstract

The utility model provides an air chamber installation structure of a plunger pump, and belongs to the technical field of plunger pumps. The technical problem that an air chamber installation structure of an existing plunger pump is not convenient enough to maintain and overhaul in the later period is solved. According to the air chamber installation structure of the plunger pump, the plunger pump comprises a pump cover and an air chamber bottle body, the air chamber installation structure comprises an installation flange arranged at the lower end of the air chamber bottle body, and a plurality of vertically-through through holes are formed in the installation flange. The top of the pump cover is provided with a through hole communicated with the inner cavity and a plurality of threaded holes arranged around the periphery of the through hole at intervals, the through hole is vertically opposite to the threaded holes, the air chamber bottle body is fixedly connected with the pump cover through a connecting piece which penetrates through the through hole and is inserted into the threaded holes, the inner cavity of the air chamber bottle body is communicated with the through hole, and the air chamber bottle body is fixedly connected with the pump cover through the connecting piece. A plurality of vertically-through receding notches right opposite to the through holes are formed in the side wall of the periphery of the air chamber bottle body. According to the utility model, the installation effect and sufficient maintenance convenience can be guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of plunger pumps and relates to an air chamber installation structure of a plunger pump. Background Art

[0002] Existing spray cleaning machines generally include a cylinder body with a cavity, a water inlet and a water outlet inside, and an air chamber bottle screwed to the cylinder body by fasteners, and the chamber in the air chamber bottle is connected to the cavity in the cylinder body. Water is sucked into the cavity from the water inlet through the cylinder body and discharged outward through the water outlet, and at the same time, air carried in the water flow is collected by the air chamber bottle.

[0003] For example, the applicant has previously developed an air chamber bottle for a spray cleaning machine with an authorization announcement number of CN218742615U, in which the spray cleaning machine includes a cylinder body with a cavity inside, the cylinder body has a water inlet and a water outlet connected to the cavity, the air chamber bottle includes a bottle body with an air storage cavity inside, the bottle body is provided with a connecting part with a connecting cavity inside, and the air storage cavity is connected to the connecting cavity, the connecting part is provided with a water hole connected to the connecting cavity, the connecting part is fixed on the cylinder body and is connected to the cavity of the cylinder body through the water hole.

[0004] In the above products, the air chamber bottle and the pump cover are an integrated structure, which is not convenient for subsequent maintenance and repair. Summary of the invention

[0005] In view of the above problems existing in the prior art, the utility model provides an air chamber installation structure of a plunger pump. The technical problem to be solved by the utility model is: to improve the convenience of air chamber maintenance while ensuring structural stability.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A plunger pump air chamber mounting structure, the plunger pump includes a pump cover and an air chamber bottle body, characterized in that the air chamber mounting structure includes a mounting flange arranged at the lower end of the air chamber bottle body, the mounting flange has a plurality of vertically penetrating through holes, the top of the pump cover has a through opening connected to the inner cavity and a plurality of threaded holes arranged at intervals around the through opening, the through hole is vertically opposite to the threaded hole, the air chamber bottle body is fixedly connected to the pump cover via a connecting piece that passes through the through hole and is inserted into the threaded hole, the inner cavity of the air chamber bottle body is connected to the through opening, and the outer peripheral side wall of the air chamber bottle body has a plurality of vertically penetrating notches that are opposite to the through holes.

[0008] The pump cover is used to be installed on the top of the pump body, and the air chamber bottle body can be used to collect air carried in the water flow; by arranging a mounting flange at the lower end of the air chamber bottle body, the connection between the air chamber bottle body and the pump cover is realized through a connector that passes through the mounting flange, thereby realizing a detachable connection, which is beneficial for maintenance operations on the air chamber and the pump cover; the connection points of the mounting flange are arranged around the periphery of the through opening to ensure stable connection and sealing effects; at the same time, a clearance notch that is opposite to the through hole is arranged on the peripheral side wall of the air chamber bottle body to facilitate the connection point to be as close as possible to the through opening position, while facilitating external tools to directly rotate the connector vertically, thereby ensuring installation effect and sufficient maintenance convenience.

[0009] In the air chamber mounting structure of the plunger pump, a vertically arranged reinforcing rib plate is provided between the mounting flange and the air chamber bottle body above, which is conducive to improving the structural stability of the mounting flange and ensuring the connection accuracy and stability between the mounting flange and the pump cover.

[0010] In the air chamber mounting structure of the plunger pump, the through holes are symmetrically arranged along the two sides of the reinforcing rib plate and close to the reinforcing rib plate, which helps to ensure the shape stability of the through hole area, thereby making the connection stability of the mounting flange better.

[0011] In the above-mentioned air chamber installation structure of the plunger pump, the outer peripheral side wall of the air chamber bottle body has a convex ring arranged around the circumference, and the clearance notch is located on the convex ring. This is conducive to reducing the strength loss of the air chamber bottle body structure caused by the clearance notch, and ensuring the stability of the structure.

[0012] In the air chamber mounting structure of the plunger pump, the side of the pump cover has a water outlet pipe connected to the inner cavity of the pump cover, the threaded hole is vertically opposite to the water outlet pipe below, and the pump cover at the lower end of the threaded hole is engaged with the pipe wall of the water outlet pipe. The water outlet pipe is used to output the water in the pump body, so the threaded hole can make full use of the thick part of the water outlet pipe wall to realize the arrangement, thereby improving the compactness of the structure.

[0013] Compared with the prior art, the advantages of the utility model are as follows:

[0014] The air chamber installation structure of the plunger pump has an air chamber bottle body that is detachably connected, which is beneficial for maintenance operations on the air chamber and the pump cover. The connection points of the mounting flange are arranged around the periphery of the through opening to ensure stable connection and sealing effects. At the same time, a clearance notch opposite to the through hole is arranged on the peripheral side wall of the air chamber bottle body to make the connection point as close as possible to the through opening position, while facilitating external tools to directly rotate the connecting parts vertically, thereby ensuring installation effect and sufficient maintenance convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of this embodiment.

[0016] Figure 22 is a schematic diagram of the top structure of this embodiment.

[0017] Figure 3 It is a schematic diagram of the three-dimensional explosion structure of this embodiment.

[0018] In the figure, 1, pump cover; 11, through port; 12, threaded hole; 13, water outlet pipe;

[0019] 2. Air chamber bottle body; 21. Mounting flange; 211. Through hole; 212. Reinforcing rib plate; 22. Spacing notch; 23. Convex ring. DETAILED DESCRIPTION

[0020] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0021] like Figure 1-3As shown, in the air chamber mounting structure of the plunger pump, the plunger pump includes a pump cover 1 and an air chamber bottle body 2, the air chamber mounting structure includes a mounting flange 21 arranged at the lower end of the air chamber bottle body 2, the mounting flange 21 is in the shape of a rectangular plate and has four vertically penetrating through holes 211, the top of the pump cover 1 has a through opening 11 connected to the inner cavity and four threaded holes 12 arranged at intervals around the through opening 11, the through hole 211 is vertically opposite to the threaded hole 12, the air chamber bottle body 2 is fixedly connected to the pump cover 1 via a connecting piece that penetrates the through hole 211 and is inserted into the threaded hole 12, the inner cavity of the air chamber bottle body 2 is connected to the through opening 11, and the outer peripheral side wall of the air chamber bottle body 2 has four vertically penetrating and opposite to the through hole 211. Makeshift notches 22. The pump cover 1 is used to be installed on the top of the pump body, and the air chamber bottle body 2 can be used to collect the air carried in the water flow; by setting a mounting flange 21 at the lower end of the air chamber bottle body 2, the connection between the air chamber bottle body 2 and the pump cover 1 is realized by a connector that penetrates the mounting flange 21, so as to realize a detachable connection, which is conducive to the maintenance operation of the air chamber and the pump cover 1. The connection point of the mounting flange 21 is arranged around the periphery of the through-port 11 to ensure the stability of the connection and sealing effect. At the same time, the outer peripheral side wall of the air chamber bottle body 2 is provided with a clearance notch 22 that is directly opposite to the through hole 211, which is conducive to making the connection point as close as possible to the position of the through-port 11, while facilitating external tools to directly rotate the connector vertically, thereby ensuring the installation effect and sufficient maintenance convenience. Further, there are two vertically arranged reinforcing ribs 212 between the mounting flange 21 and the upper air chamber bottle body 2. This is conducive to improving the structural stability of the mounting flange 21 and ensuring the connection accuracy and stability between the mounting flange 21 and the pump cover 1. The through holes 211 are symmetrical along both sides of the reinforcing rib plate 212 and arranged close to the reinforcing rib plate 212. This helps to ensure the shape stability of the through hole 211 area, thereby making the connection stability of the mounting flange 21 better. Furthermore, the outer peripheral side wall of the air chamber bottle body 2 has a convex ring 23 arranged around the circumference, and the clearance notch 22 is located on the convex ring 23. This helps to reduce the strength loss of the air chamber bottle body 2 structure caused by the clearance notch 22, and ensures the stability of the structure. The side of the pump cover 1 has a water outlet pipe 13 connected to the inner cavity of the pump cover 1, and the threaded hole 12 is vertically opposite to the water outlet pipe 13 below, and the pump cover 1 at the lower end of the threaded hole 12 is engaged with the pipe wall of the water outlet pipe 13. The water outlet pipe 13 is used to output the water in the pump body, so that the threaded hole 12 can make full use of the thick wall of the water outlet pipe 13 to realize the layout, thereby improving the compactness of the structure.

[0022] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. An air chamber mounting structure of a plunger pump, the plunger pump comprising a pump cover (1) and an air chamber bottle body (2), characterized in that: The air chamber mounting structure comprises a mounting flange (21) arranged at the lower end of the air chamber bottle body (2), the mounting flange (21) having a plurality of vertically penetrating through holes (211), the top of the pump cover (1) having a through hole (11) communicating with the inner cavity and a plurality of threaded holes (12) arranged at intervals around the outer periphery of the through hole (11), the through hole (211) being vertically opposite to the threaded hole (12), the air chamber bottle body (2) being fixedly connected to the pump cover (1) via a connecting piece penetrating the through hole (211) and inserted into the threaded hole (12), the inner cavity of the air chamber bottle body (2) being connected with the through hole (11), and the outer peripheral side wall of the air chamber bottle body (2) having a plurality of vertically penetrating clearance notches (22) facing the through holes (211).

2. The air chamber installation structure of the plunger pump according to claim 1, characterized in that: A reinforcing rib plate (212) is vertically arranged between the mounting flange (21) and the air chamber bottle body (2) above.

3. The air chamber installation structure of the plunger pump according to claim 2, characterized in that: The through holes (211) are symmetrically arranged along two sides of the reinforcing rib plate (212) and close to the reinforcing rib plate (212).

4. The air chamber installation structure of the plunger pump according to claim 1, 2 or 3, characterized in that: The outer peripheral side wall of the air chamber bottle body (2) has a convex ring (23) arranged around the circumference, and the clearance notch (22) is located on the convex ring (23).

5. The air chamber installation structure of the plunger pump according to claim 1, 2 or 3, characterized in that: The side surface of the pump cover (1) is provided with a water outlet pipe (13) which is connected to the inner cavity of the pump cover (1); the threaded hole (12) is vertically opposite to the water outlet pipe (13) below; the pump cover (1) at the lower end of the threaded hole (12) is engaged with the pipe wall of the water outlet pipe (13).

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