CN211715845U

CN211715845U - Hydraulic control angle valve

Info

Publication number: CN211715845U
Application number: CN202020303213.2U
Authority: CN
Inventors: 季能平
Original assignee: Shanghai Shanglong Water Supply Equipment Co ltd
Current assignee: Shanghai Shanglong Water Supply Equipment Co ltd
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2020-10-20
Anticipated expiration: 2030-03-12

Abstract

The utility model discloses a hydraulic control angle valve, which comprises a valve body; the front end of the valve body is provided with a liquid inlet channel, a valve head core is embedded in the liquid inlet channel, the valve head core is fixedly connected with a connecting rod, the connecting rod penetrates through the isolation plate, and the tail end of the connecting rod is fixedly connected with a piston disc; an extrusion cavity is formed between the piston disc and the isolation plate, the lower end of the extrusion cavity is communicated with a control liquid channel, and the control liquid channel is communicated with an external infusion pump; the tail end of the valve body is fixedly connected with a valve cover through a bolt, and a spring is abutted between the piston disc and the valve cover. The utility model realizes the high-efficiency isolation of control liquid and conveying liquid and the isolation of a spring and the control liquid at the same time by arranging the connecting rod, the piston disc, the isolation plate and the extrusion cavity which are connected with the valve head core, thereby reducing the corrosion of the spring and facilitating the maintenance when the control is convenient; the integral sealing performance of the angle valve is improved through the valve head core in the shape of a multistage circular truncated cone, the valve cover with the inner protrusions and the adaptive groove.

Description

Hydraulic control angle valve

Technical Field

The utility model relates to an angle valve field specifically is a hydraulic control angle valve.

Background

The angle valve is common control valve, and the control fluid is pushed to the inside pump income control fluid of angle valve through outside transfer pump, and then realizes the break-make of angle valve, and traditional angle valve control fluid is come into contact with the spring during the time of pumping, and the corruption of accelerating spring, maintenance cycle is short, needs periodic replacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic control angle valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a hydraulic control angle valve comprises a valve body; the front end of the valve body is provided with a liquid inlet channel, a partition plate is nested in the valve body, a cavity between the partition plate and the liquid inlet channel is a communicating cavity, and the lower end of the communicating cavity is communicated with a liquid outlet pipeline; a valve head core is embedded in the inner side of the liquid inlet channel, the valve head core is fixedly connected with a connecting rod, the connecting rod penetrates through the isolation plate, and the tail end of the connecting rod is fixedly connected with a piston disc; an extrusion cavity is formed between the piston disc and the isolation plate, the lower end of the extrusion cavity is communicated with a control liquid channel, and the control liquid channel is communicated with an external infusion pump; the tail end of the valve body is fixedly connected with a valve cover through a bolt, and a spring is abutted between the piston disc and the valve cover.

As a further aspect of the present invention: the valve head core is in a multi-stage circular truncated cone shape.

As a further aspect of the present invention: an inner bulge is arranged at the joint of the valve cover, an adaptive groove matched with the inner bulge is arranged on the valve body, and a sealing ring is nested on the inner side of the inner bulge.

As a further aspect of the present invention: and a locking bolt penetrates through the center of the valve cover and is in threaded connection with the valve cover.

As a further aspect of the present invention: the piston disc is nested in the valve body and is in sliding connection with the inner wall of the valve body.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model realizes the high-efficiency isolation of control liquid and conveying liquid and the isolation of a spring and the control liquid at the same time by arranging the connecting rod, the piston disc, the isolation plate and the extrusion cavity which are connected with the valve head core, thereby reducing the corrosion of the spring and facilitating the maintenance when the control is convenient; the integral sealing performance of the angle valve is improved through the valve head core in the shape of a multistage circular truncated cone, the valve cover with the inner protrusions and the adaptive groove.

Drawings

FIG. 1 is a schematic diagram of a hydraulic control angle valve;

FIG. 2 is a perspective view of a valve head core in the hydraulic control angle valve;

fig. 3 is an enlarged view of a point a in fig. 1.

In the figure: 1-a valve body; 2-a liquid inlet channel; 3-a communicating cavity; 4-a liquid outlet channel; 5-a separation plate; 6-extruding the cavity; 7-valve head core; 8-connecting rod; 9-a piston disc; 10-a spring; 11-valve cover; 12-a bolt; 13-sealing ring; 14-inner protrusion; 15-an adaptation slot; 16-a locking bolt; 17-control liquid pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, in an embodiment of the present invention, a hydraulic control angle valve includes a valve body 1; the front end of the valve body 1 is provided with a liquid inlet channel 2, a partition plate 5 is nested in the valve body 1, a cavity between the partition plate 5 and the liquid inlet channel 2 is a communicating cavity 3, the liquid inlet channel 2 is communicated with the communicating cavity 3, the lower end of the communicating cavity 3 is communicated with a liquid outlet pipeline 4, and conveying fluid is conveyed through the liquid inlet channel 2, the communicating cavity 3 and the liquid outlet pipeline 4 in sequence; the valve head core 7 is embedded in the inner side of the liquid inlet channel 2, and the valve head core 7 is in a multi-stage circular truncated cone shape, so that the flow cutoff effect of the valve head core 7 is improved.

The valve head core 7 is fixedly connected with a connecting rod 8, the connecting rod 8 penetrates through the partition plate 5, the tail end of the connecting rod 8 is fixedly connected with a piston disc 9, and the piston disc 9 is nested in the valve body 1 and is in sliding connection with the inner wall of the valve body 1; an extrusion cavity 6 is formed between the piston disc 9 and the isolation plate 5, a control liquid channel 17 is communicated with the lower end of the extrusion cavity 6, the control liquid channel 17 is communicated with an external infusion pump, the external infusion pump injects control liquid into the extrusion cavity 6, the piston disc 9 is extruded after the control liquid enters the extrusion cavity 6, the piston disc 9 is driven to move, the piston disc 9 drives the valve head core 7 to move through the connecting rod 8, and the on-off control of the angle valve is realized; the tail end of the valve body 1 is fixedly connected with a valve cover 11 through a bolt 12, a spring 10 is abutted between the piston disc 9 and the valve cover 11, and after the control liquid in the extrusion cavity 6 is pumped out by the spring 10, the compressed spring drives the piston disc 9 to return to an initial position, so that the valve head core 7 fills and cuts the liquid inlet channel 2; specifically, the spring 10 is not in direct contact with the control liquid, so that the spring is prevented from being corroded, the control liquids of different types can be filled, and the adaptability is good.

Example 2

This example differs from example 1 in that: an inner bulge 14 is arranged at the interface of the valve cover 11, an adaptive groove 15 matched with the inner bulge is arranged on the valve body 1, and a sealing ring 13 is nested on the inner side of the inner bulge 14, so that the valve cover 11 has better sealing performance and is convenient to maintain; the locking bolt 16 penetrates through the center of the valve cover 11, the locking bolt 16 is in threaded connection with the valve cover 11, and the locking bolt 16 is screwed to completely cut off the flow when the external control liquid infusion pump fails or the spring fails, so that the corrosion failure of the spring 10 is avoided, and one more protection is provided.

The following are specifically mentioned: valve body, valve head core, control fluid passageway in this application. The external infusion pump is the prior art; the device comprises a connecting rod, a piston disc, an extrusion cavity, a spring, an isolation plate and a locking bolt; the connecting rod, the piston disc, the isolation plate and the extrusion cavity which are connected with the valve head core are arranged, so that the control liquid and the conveying liquid are efficiently isolated, and the spring and the control liquid are isolated, so that the control is facilitated, the corrosion of the spring is reduced, and the maintenance is facilitated; the integral sealing performance of the angle valve is improved through the valve head core in the shape of a multistage circular truncated cone, the valve cover with the inner protrusions and the adaptive groove.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A hydraulic control angle valve comprises a valve body (1); the liquid inlet channel (2) is arranged at the front end of the valve body (1), the partition plate (5) is nested in the valve body (1), a cavity between the partition plate (5) and the liquid inlet channel (2) is a communicating cavity (3), and the lower end of the communicating cavity (3) is communicated with a liquid outlet pipeline (4); the device is characterized in that a valve head core (7) is embedded in the inner side of the liquid inlet channel (2), the valve head core (7) is fixedly connected with a connecting rod (8), the connecting rod (8) penetrates through the isolation plate (5), and the tail end of the connecting rod (8) is fixedly connected with a piston disc (9); an extrusion cavity (6) is formed between the piston disc (9) and the isolation plate (5), the lower end of the extrusion cavity (6) is communicated with a control liquid channel (17), and the control liquid channel (17) is communicated with an external infusion pump; the tail end of the valve body (1) is fixedly connected with a valve cover (11) through a bolt (12), and a spring (10) is abutted between the piston disc (9) and the valve cover (11).

2. A hydraulic control angle valve according to claim 1, characterized in that the valve head core (7) is in the shape of a multi-stage circular truncated cone.

3. The hydraulic control angle valve of claim 2, characterized in that an inner protrusion (14) is arranged at the interface of the valve cover (11), an adapting groove (15) matched with the inner protrusion is arranged on the valve body (1), and a sealing ring (13) is nested inside the inner protrusion (14).

4. A hydraulic control angle valve according to claim 1, characterized in that the valve cover (11) has a locking bolt (16) passing through the center thereof, and the locking bolt (16) is in threaded connection with the valve cover (11).

5. Hydraulic control angle valve according to claim 1, characterized in that the piston disc (9) is nested inside the valve body (1) and is slidingly connected to the inner wall of the valve body (1).