Plunger pump head structure with simplified assembly

Abstract

The utility model relates to a simplified-assembly plunger pump head structure, which comprises a shell, the shell comprises an air chamber, a connecting part and a mounting part, the connecting part is positioned between the mounting part and the air chamber, and at least one of the air chamber or the mounting part and the connecting part are integrally formed. According to the invention, at least one air chamber or mounting part is integrally formed with the connecting part, so that the time consumed for connecting adjacent parts is shortened, the production efficiency of the shell is improved, the connecting strength of the air chamber, the connecting part and the mounting part is improved, and the condition of liquid leakage of the shell is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of plunger pump, in particular to a plunger pump head structure with simplified assembly. BACKGROUND

[0002] The plunger pump is an important device of hydraulic system. It relies on the reciprocating movement of the plunger in the cylinder to change the solvent in the sealed working cavity to realize oil absorption and oil pressure. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency and convenient flow regulation, and is widely used in high pressure, large flow and flow regulation occasions.

[0003] The pump head of the plunger pump is an important part of the plunger pump, and its main functions include oil absorption and oil discharge. The pump head is usually made of stainless steel by integral forging, the suction and discharge valves are vertically arranged, the suction hole is located at the bottom of the pump head, and the discharge hole is arranged on the side surface of the pump head and communicates with the valve cavity, thereby simplifying the discharge pipeline system.

[0004] Referring to Figure 1 , the existing plunger pump head includes a gas chamber 11, a connecting piece 10, a connecting part 12 and a mounting part 13, the connecting piece 10 is used to connect the plunger pump body, the gas chamber 11, the connecting part 12 and the mounting part 13 are installed by workers, and many bolts and many threaded tightening structures are needed during installation, so the assembly efficiency is low. CONTENT OF THE UTILITY MODEL

[0005] In order to improve the assembly efficiency of the plunger pump head, the present application provides a plunger pump head structure with simplified assembly.

[0006] The plunger pump head structure with simplified assembly provided by the present application adopts the following technical scheme:

[0007] A plunger pump head structure with simplified assembly, comprising a shell, the shell comprises a gas chamber, a connecting part and a mounting part, the connecting part is located between the mounting part and the gas chamber, and at least one of the gas chamber or the mounting part is integrally formed with the connecting part.

[0008] By adopting the above technical scheme, at least one of the gas chamber or the mounting part is integrally formed with the connecting part, the time consumed by connecting adjacent parts is reduced, the production efficiency of the shell is improved, the connecting strength of the gas chamber, the connecting part and the mounting part is improved, and the situation that the shell leaks liquid is reduced.

[0009] Optionally, the gas chamber, the connecting part and the mounting part are integrally formed.

[0010] By adopting the above technical scheme, the gas chamber, the connecting part and the mounting part are integrally formed, the assembly production efficiency is improved, and the situation that liquid leaks due to the connection gap of the parts is reduced.

[0011] Optionally, the mounting part includes a mounting component and a water inlet. The water inlet is located at the end of the mounting component away from the connecting part. The water inlet and the connecting part are integrally formed by the mounting component. The mounting component has bolt holes for bolts to pass through.

[0012] By adopting the above technical solution, the bolt hole design facilitates the connection between the mounting part and the connector, improving the ease of connection.

[0013] Optionally, the housing includes a mounting surface for connecting the plunger pump body, and the mounting portion is provided with a weight reduction groove located on the mounting surface, the mounting surface being used to abut against the plunger pump body.

[0014] By adopting the above technical solution, a weight-reducing groove is set up for process weight reduction, which reduces the weight of the shell and saves materials; secondly, the setting of the weight-reducing groove makes the overall thickness of the shell more uniform, so that the shell is less likely to crack during the casting process.

[0015] Optionally, the gas chamber is provided with a casting process port, which is located at the end of the gas chamber away from the connecting part.

[0016] By adopting the above technical solution, the setting of the casting process port facilitates the production and molding of the shell, and is used at the connection between the sand core and the outer sand mold, which facilitates the casting process.

[0017] Optionally, the connecting portion is provided with an extension plate located on the side of the connecting portion near the air chamber, and the extension plate is provided with mounting holes for bolts to pass through.

[0018] By adopting the above technical solution, the extension plate and mounting holes facilitate the connection between the housing and external equipment, improve the convenience of connection, and make installation and disassembly more convenient.

[0019] Optionally, the extension plate is provided with a mounting groove, which is located on the side of the extension plate near the air chamber. The bottom of the mounting groove is provided with a connecting hole, which connects to the mounting cavity.

[0020] By adopting the above technical solution, an installation groove is set up so that the end faces of the installation groove can be tightly pressed together when external equipment is connected, thereby improving the tightness of component connection and reducing liquid leakage.

[0021] In summary, this application includes at least one of the following beneficial technical effects:

[0022] 1. Set at least one air chamber or mounting part to be integrally formed with the connecting part, reduce the time spent connecting adjacent parts, improve the production efficiency of the shell, improve the connection strength between the air chamber, the connecting part and the mounting part, and reduce the occurrence of liquid leakage in the shell;

[0023] 2. A mounting slot is provided so that the end faces of external equipment can be tightly abutted together, improving the tightness of component connections and reducing liquid leakage;

[0024] 3. A weight reduction groove is set up for process weight reduction, which reduces the weight of the shell and saves materials. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a plunger pump head in existing technology.

[0026] Figure 2 This is a schematic diagram of the overall implementation of Example 1.

[0027] Figure 3 This is a side view of Example 1.

[0028] Explanation of reference numerals in the attached drawings: 1. Shell; 11. Air chamber; 12. Connecting part; 13. Mounting part; 2. Mounting surface; 3. Bolt hole; 4. Weight reduction groove; 5. Extension plate; 6. Mounting hole; 7. Mounting cavity; 8. Mounting groove; 9. Connecting hole; 10. Connecting piece; 131. Mounting piece; 132. Water inlet; 14. Water inlet; 15. Water outlet; 16. Casting process port. Detailed Implementation

[0029] The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0030] This application discloses a simplified assembly structure for a plunger pump head. (Refer to...) Figure 2 and Figure 3 The device includes a housing 1, which includes an air chamber 11, a connecting portion 12, and a mounting portion 13. The connecting portion 12 is located between the mounting portion 13 and the air chamber 11. At least one of the air chamber 11 or the mounting portion 13 is integrally formed with the connecting portion 12. In this application, the air chamber 11, the mounting portion 13, and the connecting portion 12 are all integrally formed.

[0031] The mounting section 13 includes a mounting member 131 and a water inlet section 132. The water inlet section 132 is located at the end of the mounting member 131 away from the connecting section 12. The water inlet section 132 and the connecting section 12 are integrally formed by the mounting member 131. The water inlet section 132 is provided with a water inlet 14, which communicates with the mounting cavity 7. The connecting section 12 is provided with a water outlet 15, which communicates with the mounting cavity 7. The air chamber 11 is provided with a casting process port 16, which is located at the end of the air chamber 11 away from the connecting section 12.

[0032] The housing 1 includes a mounting surface 2 for connecting the connector 10. The mounting part 13 is provided with a bolt hole 3. The bolt hole 3 is located on the side of the mounting part 13 near the connector 12. The bolt hole 3 passes through the mounting part 13 and allows bolts to pass through.

[0033] The mounting section 13 is provided with a weight-reducing groove 4, which is located on the mounting surface 2, and the mounting surface 2 is used for connecting the component 10. In actual use, there are two bolt holes 3 along the horizontal direction and three weight-reducing grooves 4 along the horizontal direction, with the bolt holes 3 located between adjacent weight-reducing grooves 4. The weight-reducing grooves 4 are used to reduce the weight of the overall structure and save materials. Furthermore, the placement of the bolt holes 3 between adjacent weight-reducing grooves 4 increases the deformation range of the bolt hole wall, facilitating the subsequent removal of bolts.

[0034] An extension plate 5 is provided on the connecting part 12, located on the side of the connecting part 12 near the air chamber 11. The extension plate 5 has a mounting hole 6 for bolts to pass through. The housing 1 has a mounting cavity 7 for liquid to pass through. The extension plate 5 has a mounting groove 8, located on the side of the extension plate 5 near the air chamber 11. The mounting groove 8 allows for the insertion of a structure of corresponding shape of external equipment, thereby improving the overall sealing performance. The bottom of the mounting groove 8 has a connecting hole 9 for connecting to the mounting cavity 7.

[0035] The implementation principle of the simplified assembly plunger pump head structure in this application embodiment is as follows: In actual use, the design of the air chamber 11, the mounting part 13 and the connecting part 12 being integrally formed reduces the time spent connecting adjacent parts, improves the production efficiency of the housing 1, and enhances the connection strength and sealing of the air chamber 11, the connecting part 12 and the mounting part 13.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A simplified assembly plunger pump head structure, comprising a housing (1), characterized in that: The housing (1) includes an air chamber (11), a connecting part (12) and a mounting part (13). The connecting part (12) is located between the mounting part (13) and the air chamber (11). At least one of the air chamber (11) or the mounting part (13) is integrally formed with the connecting part (12).

2. The simplified assembly plunger pump head structure according to claim 1, characterized in that: The air chamber (11), the connecting part (12), and the mounting part (13) are integrally formed.

3. The simplified assembly plunger pump head structure according to claim 1, characterized in that: The mounting part (13) includes a mounting component (131) and a water inlet (132). The water inlet (132) is located at the end of the mounting component (131) away from the connecting part (12). The water inlet (132) and the connecting part (12) are integrally formed by the mounting component (131). The mounting component (131) has bolt holes (3) for bolts to pass through.

4. The simplified assembly plunger pump head structure according to claim 3, characterized in that: The mounting component (131) includes a mounting surface (2) for connecting the connector. The mounting part (13) is provided with a weight-reducing groove (4) located on the mounting surface (2). The mounting surface (2) is used to abut against the connector.

5. The simplified assembly plunger pump head structure according to claim 3, characterized in that: The gas chamber (11) is provided with a casting process port (16), which is located at the end of the gas chamber (11) away from the connecting part (12).

6. The simplified assembly plunger pump head structure according to claim 3, characterized in that: The housing (1) is provided with an installation cavity (7), the water inlet (132) is provided with a water inlet (14), the water inlet (14) is connected to the installation cavity (7), and the connecting part (12) is provided with a water outlet (15), the water outlet (15) is connected to the installation cavity (7).

7. The simplified assembly plunger pump head structure according to claim 6, characterized in that: The connecting part (12) is provided with an extension plate (5), which is located on the side of the connecting part (12) near the air chamber (11). The extension plate (5) is provided with a mounting hole (6) for bolts to pass through.

8. The simplified assembly plunger pump head structure according to claim 7, characterized in that: The extension plate (5) is provided with an installation groove (8), which is located on the side of the extension plate (5) near the air chamber (11). The bottom of the installation groove (8) is provided with a connecting hole (9), which connects to the installation cavity (7).

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