CN214788023U

CN214788023U - Bottom valve of water pump diversion pipe

Info

Publication number: CN214788023U
Application number: CN202121248068.3U
Authority: CN
Inventors: 冯长捷; 邓永良
Original assignee: Wuhu Changjie Aviation Power Technology Co ltd
Current assignee: Wuhu Changjie Aviation Power Technology Co ltd
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-11-19
Anticipated expiration: 2031-06-05

Abstract

The utility model provides a water pump leading water pipe bottom valve, including the bottom valve shell, bottom valve shell both ends are filtering end and leading water pipe link respectively, the inside case subassembly that is equipped with of bottom valve shell. The utility model provides a bottom valve of a water pump diversion pipe, which is connected with the water pump diversion pipe through threads, is connected with a shell of a pressure bearing end of the bottom valve in a sealing way through a sealing gasket, and is internally provided with a limiting clamping groove and a positioning snap spring to prevent a valve core assembly from moving; the bottom valve filtering end shell is connected and assembled with the inner thread of the bottom valve pressure bearing end shell through the outer thread and the assembling sealing ring, and the assembling sealing ring ensures the sealing effect after the shells at the two ends are connected.

Description

Bottom valve of water pump diversion pipe

Technical Field

The utility model mainly relates to a portable fire pump technical field, in particular to water pump diversion pipe bottom valve.

Background

The water pump works on the basis of continuous water flow, and only when the water pump and the water conduit are filled with water and the water pump is started, water can be pumped. Water is introduced by the water pump in several ways, such as self-filling, vacuum water introduction and filling with a bottom valve.

The bottom valve of the water diversion pipe of the water pump is arranged at the bottom end of the water inlet pipe, and the water pump only can enter the water inlet pipe and cannot exit the water inlet pipe. When water is absorbed, the valve clack is opened under the pressure action of fluid, and the pressure in the outlet pipe quickly closes the valve clack after the machine is shut down; the water can not flow back to the water source, and the water is kept in the pump body.

The prior manual water pumping of the bottom valve of the water diversion pipe is slow, and has poor water pumping and sealing performance and water leakage.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model

The utility model provides a simple structure, sealed better, the quick water pump diversion pipe bottom valve of assembly of effect.

SUMMERY OF THE UTILITY MODEL

In order to realize the purpose, the utility model discloses a technical scheme be: the bottom valve of the water pump diversion pipe comprises a bottom valve shell, wherein the bottom valve shell is of a hollow tubular structure, the two ends of the bottom valve shell are respectively provided with a filtering end and a diversion pipe connecting end, and a valve core assembly is arranged inside the bottom valve shell.

Furthermore, the bottom valve shell comprises a pressure-bearing end shell and a filtering end shell, the pressure-bearing end shell and the filtering end shell are detachably and hermetically connected, specifically, the pressure-bearing end shell and the filtering end shell can be meshed and connected through threads, and an assembly sealing ring is further arranged at the joint of the pressure-bearing end and the filtering end.

Furthermore, a water conduit connecting thread and a water conduit connecting sealing gasket are arranged inside the end part of the pressure-bearing end shell, and the water conduit connecting sealing gasket is arranged on one side of the water conduit connecting thread.

Furthermore, a plurality of filter holes are arranged around the periphery of the filter end shell.

Furthermore, a positioning clamp spring is arranged on the inner wall of the assembly end of the filtering end shell, a limiting clamp groove is arranged on the inner wall of the assembly end of the pressure-bearing end shell, the limiting clamp groove can be clamped with a limiting clamping piece on the valve core assembly, and the positioning clamp spring and the limiting clamp groove are used for installing the valve core assembly in the bottom valve shell.

Furthermore, the valve core assembly comprises a valve core seat, a conical valve core is arranged in a cavity inside the valve core seat, a guide pillar is arranged on one side of the conical valve core, a return spring is sleeved on the guide pillar, the guide pillar is connected with the valve core seat in a sliding mode, a valve core sealing gasket is arranged on the inner wall of the valve core seat, and an O-shaped sealing ring is arranged on the outer wall of the valve core seat.

Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a bottom valve of a water pump diversion pipe, which is connected with the water pump diversion pipe through threads and is connected with a bottom valve pressure-bearing end shell through a sealing gasket in a sealing way, wherein a limiting clamping groove is arranged inside the bottom valve pressure-bearing end shell and is clamped on the outer ring of a valve core assembly to prevent the middle valve core assembly from moving to the left side;

the positioning clamp spring is blocked at the right end of the valve core assembly to prevent the valve core assembly from moving towards the right side, and an O-shaped sealing ring is arranged on the outer circumference of the valve core assembly to ensure internal sealing;

the bottom valve filters the end shell and passes through the external screw thread and assembles the assembly sealing washer and bottom valve pressure-bearing end shell internal thread connection assembly, assembles the sealing effect after the sealing washer ensures that both ends shell is connected, is equipped with a plurality of filtration pores on the bottom valve filters the end shell, is used for filtering the impurity of aquatic, prevents to damage the water pump or block the water pump after the particulate matter of too big diameter gets into the water pump.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of the specification of the invention, illustrate exemplary embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the present invention showing a split structure;

FIG. 3 is a schematic view of the valve cartridge assembly of the present invention;

fig. 4 is another angle schematic view of the valve core assembly of the present invention.

Reference numerals

1-a base valve housing; 11-a pressure bearing end housing; 111-water conduit connecting screw thread; 112-the water conduit connecting sealing gasket; 113-a limit slot; 12-a filter end housing; 121-filtration pores; 122-positioning clamp spring; 123-assembling a sealing ring; 2-a valve core assembly; 21-valve core seat; 22-conical valve core; 23-a guide post; 24-a return spring; 25-a cartridge gasket; 26-O type sealing ring.

Detailed Description

Reference will now be made in detail to various exemplary embodiments of the invention, which should not be considered limiting of the invention, but rather should be understood to be a more detailed description of certain aspects, features and embodiments of the invention.

It will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.

The first embodiment is as follows: referring to the attached drawings 1-2, the bottom valve of the water diversion pipe of the water pump comprises a bottom valve shell 1, wherein the bottom valve shell 1 is of a hollow tubular structure, the two ends of the bottom valve shell 1 are respectively provided with a filtering end and a water diversion pipe connecting end, and a valve core assembly 2 is arranged inside the bottom valve shell 1.

The bottom valve shell 1 comprises a pressure bearing end shell 11 and a filtering end shell 12, the pressure bearing end shell 11 and the filtering end shell 12 are detachably connected in a sealing mode, specifically, the pressure bearing end shell and the filtering end shell can be connected in a meshing mode through threads, other sealing connection modes such as a clamping type mode and the like can also be adopted, the assembly is rapid, and an assembly sealing ring 123 is further arranged at the joint of the pressure bearing end shell 11 and the filtering end shell 12.

The inside of the end part of the pressure-bearing end shell 11 is provided with a water conduit connecting thread 111 and a water conduit connecting sealing gasket 112, and the water conduit connecting sealing gasket 112 is arranged on one side of the water conduit connecting thread 111.

A plurality of filter holes 121 are formed around the periphery of the filter end shell 12 for filtering impurities in water and preventing the water pump from being damaged or blocked after particles with too large diameters enter the water pump.

The inner wall of the assembly end of the filter end shell 12 is provided with a positioning clamp spring 122, the inner wall of the assembly end of the pressure bearing end shell 11 is provided with a limiting clamp groove 113, the limiting clamp groove 113 can be clamped with a limiting clamp sheet on the valve core assembly 2, and the positioning clamp spring 122 and the limiting clamp groove 113 are used for installing the valve core assembly 2 in the bottom valve shell 1.

Example two: on the basis of the first embodiment, the plurality of filtering holes 121 located on the cross-sectional outer diameter of the filtering end housing 12 are divided into one group, the filtering holes 121 in each group are equidistantly arranged, and the filtering holes in two adjacent groups are staggered.

Example three: referring to fig. 1-4, on the basis of the first embodiment, the valve core assembly 2 used in the first embodiment includes a valve core seat 21, a tapered valve core 22 is disposed in a cavity inside the valve core seat 21, a guide pillar 23 is disposed on one side of the tapered valve core 22, a return spring 24 is sleeved on the guide pillar 23, the guide pillar 23 is slidably connected to the valve core seat 21, a valve core sealing gasket 25 is disposed on an inner wall of the valve core seat 21, and an O-shaped sealing ring 26 is disposed on an outer wall of the valve core seat 21; the conical valve core 22 faces the filtering end, when water enters from the filtering end, the water impacts the conical valve core 22, the conical valve core 22 moves from the valve core sealing gasket 25 to the direction of the pressure-bearing end, and the return spring 24 is pressed, so that the guide post 23 slides at the middle limit hole of the valve core seat 21; when the valve core component 2 is in a turn-off state, the front end of the conical valve core 22 contacts the valve core sealing gasket 25, and the rubber soft lip of the valve core sealing gasket 25 is matched with the large taper surface of the end surface of the valve core to realize switch sealing.

The foregoing is only an illustrative embodiment of the present invention, and any equivalent changes and modifications made by those skilled in the art without departing from the spirit and principles of the present invention should fall within the protection scope of the present invention.

Claims

1. A bottom valve of a water pump diversion pipe is characterized by comprising a bottom valve shell, wherein the two ends of the bottom valve shell are respectively provided with a filtering end and a diversion pipe connecting end, and a valve core assembly is arranged inside the bottom valve shell.

2. The bottom valve of the water pump diversion pipe of claim 1, wherein the bottom valve housing comprises a pressure end housing and a filtering end housing, the pressure end housing and the filtering end housing are detachably and hermetically connected, and an assembling sealing ring is further arranged at the joint of the pressure end housing and the filtering end housing.

3. The water pump and water diversion pipe bottom valve according to claim 2, wherein a water diversion pipe connecting thread and a water diversion pipe connecting sealing gasket are arranged inside the end part of the pressure-bearing end shell, and the water diversion pipe connecting sealing gasket is arranged on one side of the water diversion pipe connecting thread.

4. The bottom valve of a water pump penstock according to claim 2, characterized in that a plurality of filter holes are arranged around the circumference of the filter end housing.

5. The bottom valve of the water pump water diversion pipe of claim 2, wherein a positioning snap spring is arranged on the inner wall of the assembly end of the filtering end shell, a limiting clamping groove is arranged on the inner wall of the assembly end of the bearing end shell, the limiting clamping groove can be clamped with a limiting clamping piece on the valve core assembly, and the valve core assembly is installed in the bottom valve shell through the positioning snap spring and the limiting clamping groove.

6. The bottom valve of the water pump water diversion pipe of claim 1, wherein the valve core assembly comprises a valve core seat, a conical valve core is arranged in a cavity inside the valve core seat, a guide pillar is arranged on one side of the conical valve core, a return spring is sleeved on the guide pillar, the guide pillar is slidably connected with the valve core seat, a valve core sealing gasket is arranged on the inner wall of the valve core seat, and an O-shaped sealing ring is arranged on the outer wall of the valve core seat.