High-pressure pump accessory

Abstract

The utility model discloses a high-pressure pump accessory which comprises a valve body, a valve cavity is formed in the valve body, a valve plate is arranged in the valve cavity, a valve rod is connected to the middle of the valve plate, a sealing assembly is arranged on the outer side of the valve rod, and a protection assembly is arranged above the sealing assembly. The protection assembly comprises a fixing shell rotationally connected with the valve rod, an air bag is installed at the bottom in the fixing shell, and a bottom plate is connected to the top end of the air bag. By arranging the protection assembly, in the use process of the water valve, an air inlet in the protection assembly is connected with an external air supply pipeline, high-pressure air enters an air bag in the fixing shell through the air inlet, and the air bag can drive a bottom plate to move upwards in the fixing shell after being inflated and expanded; the bottom plate drives the sealing plate to move to the joint of the top end of the valve body and the valve rod through the connecting rod, the joint is sealed through the sealing plate, liquid leakage is avoided, and the safety performance and the sealing performance are improved.

Description

Technical Field

[0001] This utility model relates to the field of high-pressure pump accessories, and in particular to a high-pressure pump accessory. Background Technology

[0002] High-pressure pump components are crucial parts of high-pressure pump systems, ensuring efficient and stable pump operation. High-pressure pumps are commonly used in industries requiring the supply of high-pressure fluids, such as water treatment, cleaning equipment, hydraulic systems, and fire-fighting equipment.

[0003] High-pressure pumps need to be connected to external pipelines through water valves during use to control the flow of water. In order to prevent leakage, a corresponding sealing structure is set between the valve stem and the valve body. However, due to the influence of the operating environment, the sealing structure will expand and contract with temperature, thus affecting the sealing performance. Utility Model Content

[0004] The main purpose of this utility model is to provide a high-pressure pump accessory.

[0005] The objective of this utility model can be achieved by adopting the following technical solution:

[0006] A high-pressure pump accessory includes a valve body with a valve cavity formed thereon. A valve plate is disposed inside the valve cavity, and a valve stem is connected to the middle of the valve plate. A sealing assembly is disposed on the outer side of the valve stem, and a protective assembly is disposed above the sealing assembly. The protective assembly includes a fixed shell rotatably connected to the valve stem. An air bladder is installed at the bottom of the fixed shell, and a base plate is connected to the top of the air bladder. Connecting rods are symmetrically installed at the top of the base plate, and a sealing plate is fixed to the top of the connecting rods. An air inlet is installed on one side of the air bladder.

[0007] Preferably, the air inlet penetrates the fixed housing and the valve body, and the connection between the air inlet and the fixed housing and the valve body has a sealing structure.

[0008] Preferably, the connecting rod passes through the top end of the fixed shell, and the connecting rod is slidably connected to the fixed shell.

[0009] Preferably, the sealing assembly includes a mounting base fixedly connected to the valve stem, and a sealing gasket is fixed at the bottom end of the mounting base.

[0010] Preferably, connecting flanges are installed on both sides of the valve body, and connecting flanges are formed with connecting holes.

[0011] Preferably, the valve stem extends through the top of the valve body, and a handwheel is fixed to the top of the valve stem.

[0012] Preferably, the sealing plate is located outside the valve stem, and the sealing plate is slidably connected to the valve stem.

[0013] Preferably, the valve plate is adapted to the size of the valve cavity, and the connection between the valve plate and the valve cavity has a sealing structure.

[0014] The beneficial effects of this technology are:

[0015] By setting up a protective component, during the use of the water valve, the air inlet inside the protective component can be connected to an external air supply pipeline. High-pressure gas enters the air bladder inside the fixed housing through the air inlet. After the air bladder inflates, it will drive the base plate to move upward inside the fixed housing. The base plate will then drive the sealing plate to move to the connection point between the valve body and the valve stem via a connecting rod. The sealing plate will seal the connection point to prevent liquid leakage and improve safety and sealing performance. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of a preferred embodiment of a high-pressure pump accessory according to the present invention;

[0017] Figure 2 This is a main sectional view of a preferred embodiment of a high-pressure pump accessory according to the present invention;

[0018] Figure 3 In a preferred embodiment of a high-pressure pump accessory according to the present invention Figure 2 Enlarged view of point A in the middle.

[0019] The annotations in the attached figures are explained as follows:

[0020] 1. Valve body; 2. Valve cavity; 3. Valve plate; 4. Valve stem; 5. Sealing assembly; 501. Mounting base; 502. Sealing gasket; 6. Protective assembly; 601. Fixed housing; 602. Air bladder; 603. Base plate; 604. Connecting rod; 605. Sealing plate; 606. Air inlet; 7. Connecting flange; 8. Connecting hole; 9. Handwheel. Detailed Implementation

[0021] To enable those skilled in the art to understand the technical solution of this utility model more clearly, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of this utility model is not limited thereto.

[0022] like Figures 1-3As shown, this embodiment provides a high-pressure pump accessory, including a valve body 1, a valve cavity 2 formed on the valve body 1, liquid passing through the valve cavity 2 and through a water valve, a valve plate 3 disposed inside the valve cavity 2, the valve plate 3 can seal the valve cavity 2, thereby controlling the flow of fluid, a valve stem 4 connected to the middle of the valve plate 3, the valve stem 4 can drive the valve plate 3 to rotate, a sealing assembly 5 disposed on the outside of the valve stem 4, and a protective assembly 6 disposed above the sealing assembly 5, the protective assembly 6 including a fixed shell 601 rotatably connected to the valve stem 4, the fixed shell 601 can support the airbag 602, the fixed shell 601 An airbag 602 is installed at the bottom. When the airbag 602 is inflated, it can move the base plate 603. The top of the airbag 602 is connected to the base plate 603. The base plate 603 can connect the airbag 602 and the connecting rod 604. The connecting rod 604 is symmetrically installed at the top of the base plate 603. The connecting rod 604 can move the sealing plate 605. The sealing plate 605 is fixed at the top of the connecting rod 604. The sealing plate 605 can seal the connection between the valve stem 4 and the top of the valve body 1. An air inlet 606 is installed on one side of the airbag 602. An external air supply pipe can be connected to the air inlet 606.

[0023] like Figures 1-3 As shown, the air inlet 606 penetrates the fixed housing 601 and the valve body 1, and the connection between the air inlet 606 and the fixed housing 601 and the valve body 1 has a sealing structure, which can prevent liquid from leaking from the connection between the air inlet 606 and the fixed housing 601 and the valve body 1.

[0024] like Figures 1-3 As shown, the connecting rod 604 passes through the top of the fixed shell 601 and is slidably connected to the fixed shell 601, which facilitates the connecting rod 604 to move up and down along the fixed shell 601, thereby driving the sealing plate 605 to move up and down.

[0025] like Figures 2-3 As shown, the sealing assembly 5 includes a mounting base 501 fixedly connected to the valve stem 4. A sealing gasket 502 is fixed at the bottom of the mounting base 501, which facilitates fixing the sealing gasket 502 on the mounting base 501 and sealing the gap between the valve stem 4 and the valve body 1 through the sealing gasket 502.

[0026] like Figures 1-2 As shown, connecting flanges 7 are installed on both sides of the valve body 1, and connecting flanges 7 are formed with connecting holes 8, so that the valve body 1 can be connected to the booster pump and the external pipeline respectively through the connecting holes 8 on the connecting flanges 7.

[0027] like Figures 1-2 As shown, the valve stem 4 passes through the top of the valve body 1, and a handwheel 9 is fixed to the top of the valve stem 4, which allows the operator to drive the valve stem 4 through the handwheel 9, thereby driving the valve plate 3 to rotate.

[0028] like Figures 2-3As shown, the sealing plate 605 is located outside the valve stem 4, and the sealing plate 605 is slidably connected to the valve stem 4, which can prevent the sealing plate 605 from rotating during the rotation of the valve stem 4.

[0029] like Figures 1-2 As shown, the valve plate 3 is sized to match the valve cavity 2, and the connection between the valve plate 3 and the valve cavity 2 has a sealing structure, which facilitates the sealing of the valve cavity 2 through the valve plate 3.

[0030] The working principle of this device is as follows: During use, the operator uses bolts to connect the valve body 1 to the booster pump and external pipeline via the connecting holes 8 on the connecting flange 7. During operation, the operator uses the handwheel 9 to drive the valve stem 4, which in turn rotates the valve plate 3, controlling the flow of liquid. During use, the sealing gasket 502 is fixed to the mounting base 501, sealing the gap between the valve stem 4 and the valve body 1. Simultaneously, the device can be connected to an external air supply pipeline through the air inlet 606 within the protective assembly 6. High-pressure gas enters the air bladder 602 inside the fixed housing 601 through the air inlet 606. After the air bladder 602 inflates, it moves the base plate 603 upwards within the fixed housing 601. The base plate 603 then moves the sealing plate 605 via the connecting rod 604 to the connection point between the valve body 1 and the valve stem 4, sealing the connection point to prevent liquid leakage and improve safety and sealing performance.

[0031] The above are merely further embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope disclosed by this utility model, based on the technical solution and concept of this utility model, shall fall within the protection scope of this utility model.

Claims

1. A high-pressure pump accessory, characterized in that: The device includes a valve body (1), a valve cavity (2) formed on the valve body (1), a valve plate (3) disposed in the valve cavity (2), a valve stem (4) connected to the middle of the valve plate (3), a sealing assembly (5) disposed on the outside of the valve stem (4), and a protective assembly (6) disposed above the sealing assembly (5). The protective assembly (6) includes a fixed shell (601) rotatably connected to the valve stem (4), an airbag (602) installed at the bottom of the fixed shell (601), a base plate (603) connected to the top of the airbag (602), connecting rods (604) symmetrically installed at the top of the base plate (603), a sealing plate (605) fixed at the top of the connecting rods (604), and an air inlet (606) installed on one side of the airbag (602).

2. A high-pressure pump accessory according to claim 1, characterized in that: The air inlet (606) penetrates the fixed shell (601) and the valve body (1), and the connection between the air inlet (606) and the fixed shell (601) and the valve body (1) has a sealing structure.

3. A high-pressure pump accessory according to claim 1, characterized in that: The connecting rod (604) passes through the top of the fixed shell (601), and the connecting rod (604) is slidably connected to the fixed shell (601).

4. A high-pressure pump accessory according to claim 1, characterized in that: The sealing assembly (5) includes a mounting base (501) fixedly connected to the valve stem (4), and a sealing gasket (502) is fixed at the bottom end of the mounting base (501).

5. A high-pressure pump accessory according to claim 1, characterized in that: The valve body (1) is equipped with connecting flanges (7) on both sides, and connecting flanges (7) are formed with connecting holes (8).

6. A high-pressure pump accessory according to claim 1, characterized in that: The valve stem (4) passes through the top of the valve body (1), and a handwheel (9) is fixed to the top of the valve stem (4).

7. A high-pressure pump accessory according to claim 1, characterized in that: The sealing plate (605) is located outside the valve stem (4), and the sealing plate (605) is slidably connected to the valve stem (4).

8. A high-pressure pump accessory according to claim 1, characterized in that: The valve plate (3) is adapted to the size of the valve cavity (2), and the connection between the valve plate (3) and the valve cavity (2) has a sealing structure.

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