CN219199568U - Pressure-bearing valve opening device - Google Patents

Abstract

The utility model discloses a pressure-bearing valve opening device, which is used to open a pressure-bearing valve on a pressure-bearing pipeline. The pressure at the inlet end and the outlet end of the pressure-bearing valve is inconsistent. The pressure-bearing valve opening device includes: a bypass pipeline, the two ends of which are connected to the pressure-bearing pipeline, the bypass pipeline and the pressure-bearing pipeline are arranged in parallel, and the two points on the pressure-bearing pipeline connected to the two ends of the bypass pipeline are respectively It is point A and point B, and the pressure-bearing valve is located between point A and point B; the valve is arranged on the bypass pipeline, and the utility model can remove part of the pressure on one side of the valve by setting the bypass pipeline , to reduce the force on the valve body; and a connecting rod is also set on the valve handle to increase the force on the valve handle and use the principle of leverage to apply greater force to the valve body.

Description

A pressure-bearing valve opening device

technical field

The utility model relates to the field of pressure-bearing valve opening. More specifically, the utility model relates to a pressure-bearing valve opening device.

Background technique

With the improvement of people's living standards, air conditioners have become more and more popular. At present, the main pipe valves of the air conditioning system are generally butterfly valves, globe valves or gate valves, and most of the handles are round handles. When the air conditioning system is running in winter and summer, the main pipe valves start Playing an important role, the valve is a control component in the pipeline fluid delivery system. It is used to change the passage section and has functions such as diversion, cut-off, adjustment, throttling, diversion or overflow pressure relief. During the opening process, due to the excessive pressure on one side, it is difficult to open, and the valve handle cannot be opened normally, and the valve handle will be damaged if the force is too large. It may also be due to the valve handle that the full force cannot be used to open and close the valve, and the force cannot be fully opened. Acting on the valve body, forcibly opening and closing the valve may reduce the life of the valve body, damage the valve body, affect the normal operation of the water system, increase pipeline resistance, and the effect of air conditioning cannot be guaranteed.

Utility model content

In order to achieve these purposes and other advantages according to the utility model, a preferred embodiment of the utility model provides a pressure-bearing valve opening device, which can open the pressure-bearing valve on the pressure-bearing pipeline, and the inlet of the pressure-bearing valve The pressure at the end and the outlet end is inconsistent, and it is characterized in that the pressure-bearing valve opening device includes:

A bypass pipeline, the two ends of which are connected to the pressure-bearing pipeline, the bypass pipeline and the pressure-bearing pipeline are arranged in parallel, and the two ends of the pressure-bearing pipeline connected to the two ends of the bypass pipeline The points are point A and point B respectively, and the pressure-bearing valve is located between point A and point B;

A valve is arranged on the bypass pipeline.

According to a preferred embodiment of the present utility model, in the pressure-bearing valve opening device, along the water flow direction of the pressure-bearing pipeline, the point A is located upstream of the point B, and along the water flow direction, the water pressure gradually decrease.

According to a preferred embodiment of the present utility model, in the pressure-bearing valve opening device, the pressure-bearing valve is provided with a valve handle, and the valve handle is provided with at least one connecting rod, and the surface of the connecting rod is indented to form a limit card. The hole is adapted to the locking protrusion of the supporting tool for the insertion of the locking protrusion of the supporting tool.

According to a preferred embodiment of the present utility model, in the pressure-bearing valve opening device, there are three connecting rods, one end of the three connecting rods is close to the connection, and the other end is far away from the outside. The included angle is 120°.

According to a preferred embodiment of the present utility model, in the pressure-bearing valve opening device, at least two of the limit clamping holes are arranged on the connecting rod, and all the limit clamping holes are distributed in a straight line, and the The accessory tool is provided with at least two locking protrusions, and the number of the locking protrusions is consistent with the number of the limiting locking holes, and they are in one-to-one correspondence.

According to a preferred embodiment of the present utility model, in the pressure-bearing valve opening device, the supporting tool includes a tool body and a locking protrusion, the tool body is in the shape of a strip, and the locking protrusion has a plurality of , arranged in a line on the tool body.

According to a preferred embodiment of the present utility model, in the pressure-bearing valve opening device, the cross-section of the limiting hole is a regular hexagon.

The utility model at least includes the following beneficial effects: the utility model can remove part of the pressure on one side of the valve by setting the bypass pipeline, and reduce the force on the valve body; The method uses the principle of leverage to apply greater force to the valve body; adopts the pressure-bearing valve opening device of the utility model to reduce the amount of valve maintenance and increase the service life of the valve body; ensures the normal operation of the circulating waterway, ensures the effect of air conditioning at the end, and saves air conditioning The system consumes energy.

Other advantages, objectives and features of the utility model will partly be embodied through the following descriptions, and partly will be understood by those skilled in the art through the research and practice of the utility model.

Description of drawings

Fig. 1 is the structural representation of pressure-bearing valve opening device in the utility model;

Fig. 2 is the structural representation of pressure-bearing valve in the utility model;

Fig. 3 is a structural schematic diagram of a supporting tool in the utility model.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it by referring to the description.

The following description is used to disclose the utility model so that those skilled in the art can realize the utility model. The preferred embodiments described below are only examples, and those skilled in the art can conceive of other obvious modifications. The basic principles of the present invention defined in the following description can be applied to other embodiments, variants, improvements, equivalents and other technical solutions without departing from the spirit and scope of the present invention.

Those skilled in the art should understand that, in the disclosure of the present utility model, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present invention. The novel and simplified descriptions do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, so the above terms should not be construed as limiting the utility model.

It can be understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element The quantity can be multiple, and the term "a" cannot be understood as a limitation on the quantity.

As shown in Figures 1-3, a preferred embodiment of the present invention provides a pressure-bearing valve opening device for opening the pressure-bearing valve 200 on the pressure-bearing pipeline 100, the inlet end and outlet of the pressure-bearing valve The pressure on both sides of the pressure-bearing valve 200 is inconsistent, and the device for opening the pressure-bearing valve includes: opening the pressure-bearing valve 200 on the pressure-bearing pipeline 100. Devices include:

A bypass pipeline 300, the two ends of which communicate with the pressure pipeline 100, the bypass pipeline 300 is arranged in parallel with the pressure pipeline 100, and the pressure pipeline 100 communicates with the bypass pipeline. The two points at both ends of the pipeline 300 are point A and point B respectively, and the pressure-bearing valve 200 is located between point A and point B;

A valve 400 is arranged on the bypass pipeline 300 . The valve 400 may generally be a shut-off valve.

In the above embodiment, a bypass pipeline 300 is provided next to the pressure pipeline 100, and a valve 400 is provided on the bypass pipeline 300. When the pressure on the side of the pressure valve 200 is too high, the bypass pipeline 300 is opened. The valve 400 is used to keep the bypass pipeline 300 flowing, so that the bypass pipeline can play a diversion role, relieve part of the pressure, and then the pressure-bearing valve 200 can be opened normally.

In another embodiment, along the water flow direction of the pressurized pipeline 100, the point A is located upstream of the point B, and along the water flow direction, the water pressure gradually decreases, so that when the valve 400 is opened, the The water flow on the bypass pipeline 300 also flows along the direction parallel to A to B, so as to achieve the effect of dividing flow and dividing pressure.

Considering that sometimes the pressure difference of the pressure-bearing valve 200 is still relatively large after the flow is diverted through the bypass pipeline 300, and there may be a problem that the valve is not easy to open, another embodiment of the present application further provides the following technical solution, the bearing The pressure valve 200 is provided with a valve handle 500, the valve handle 500 is provided with at least one connecting rod 600, and the surface of the connecting rod 600 is indented to form a limit clamping hole 610, which is adapted to the clamping protrusion 720 of the supporting tool 700, For inserting the locking protrusion 720 of the accessory tool 700 .

Among them, the current air-conditioning system main pipe valve (corresponding to the pressure valve 200 on the pressure pipeline 100 in this application) is generally a butterfly valve, a globe valve or a gate valve, and most of the handles are circular handles, and a connecting rod 600 is arranged on it. , The limit card hole 610 is set on the connecting rod 600. When the handle cannot be opened normally due to force, the tool is inserted into the limit card hole 610 of the connecting rod, and the valve is opened by using the principle of leverage. Wherein, the cross-section of the limiting locking hole 610 is a regular hexagon, that is, a hexagonal hole, and the locking is more stable.

In another embodiment, there are three connecting rods 600, one end of the three connecting rods 600 is close to the connection, and the other end is far away from the outside, and the angle between two adjacent connecting rods 600 is 120°. Under this structure, the connecting rods at different positions can be selected for operation according to the position of the valve, which makes the operation more convenient.

In another embodiment, the connecting rod 600 is provided with at least two limit card holes 610, and all the limit card holes 610 are distributed in a straight line, and the supporting tool 700 is provided with at least two card holes. Positioning protrusions 720 , the number of the locking protrusions 720 is consistent with the number of the limiting locking holes 610 , and there is a one-to-one correspondence.

Simultaneously, a plurality of limiting holes 610 and the locking protrusions 720 of the supporting tool 700 are used for limiting and locking, which can withstand greater strength and is more convenient for later operation to open the pressure-bearing valve.

In another embodiment, the supporting tool 700 includes a tool body 710 and a locking protrusion 720, the tool body 710 is in the shape of a long strip, and there are a plurality of locking protrusions 720 arranged in a line on the on the tool body 710 , so that the width of the tool body 710 can be reduced.

Although the embodiment of the present utility model has been disclosed as above, it is not limited to the use listed in the description and the implementation, and it can be applied to various fields suitable for the present utility model. For those familiar with the art, Further modifications can be readily effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (7)

1. A pressure-bearing valve opening device for opening a pressure-bearing valve on a pressure-bearing pipeline, the pressure of an inlet end and an outlet end of the pressure-bearing valve being inconsistent, the pressure-bearing valve opening device comprising:

the two ends of the bypass pipeline are communicated with the pressure-bearing pipeline, the bypass pipeline and the pressure-bearing pipeline are arranged in parallel, two points on the pressure-bearing pipeline, which are communicated with the two ends of the bypass pipeline, are respectively a point A and a point B, and the pressure-bearing valve is positioned between the point A and the point B;

and the valve is arranged on the bypass pipeline.

2. A pressure-bearing valve opening apparatus according to claim 1, wherein the point a is located upstream of the point B in the direction of water flow of the pressure-bearing pipe, and the water pressure is gradually reduced in the direction of water flow.

3. The pressure valve opening device according to claim 1, wherein the pressure valve is provided with a valve handle, the valve handle is provided with at least one connecting rod, and the surface of the connecting rod is sunk to form a limit clamping hole which is matched with a clamping lug of the matched tool for inserting the clamping lug of the matched tool.

4. A pressure-bearing valve opening device according to claim 3, wherein three connecting rods are provided, one ends of the three connecting rods are close to each other, the other ends of the three connecting rods are far outwards, and the included angle between every two adjacent connecting rods is 120 °.

5. The pressure-bearing valve opening device according to claim 4, wherein at least two limiting clamping holes are formed in the connecting rod, all the limiting clamping holes are distributed in a straight line, at least two clamping protruding blocks are arranged on the matched tool, and the number of the clamping protruding blocks is identical to that of the limiting clamping holes and corresponds to that of the limiting clamping holes one by one.

6. The pressure valve opening device according to claim 5, wherein the matching tool comprises a tool body and a plurality of clamping protruding blocks, wherein the tool body is in a strip shape, and the clamping protruding blocks are arranged on the tool body in a straight line shape.

7. The pressure valve opening device of claim 5, wherein the cross section of the limiting clamping hole is regular hexagon.

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