KR200226530Y1 - Union valve with stopper. - Google Patents

Abstract

end. The technical field to which the invention described in the claims belongs.

The present invention relates to a ball valve for controlling the entry and exit of gas or liquid flowing in the pipe, the union socket is directly connected to the valve body formed with a stopper to facilitate the piping work, the union of the union screw and union collar using the union nut The union color and packing are doubled because the packing which is pressurized by the union color is pressurized only to a certain pressure to prevent the packing from crushing and the packing rupture. It is to provide a union valve that can prevent leakage.

I. The technical problem the invention is trying to solve.

In the conventional ball valve, the joint is coupled to the connection ring coupled to the valve body, and thus the union is inconvenient, and the work is inconvenient due to friction when the union socket is coupled and the phenomenon of popping occurs. Is there.

All. The gist of the solution of the invention.

The union with the stopper is formed directly on the valve body to facilitate the piping work, the stopper stops at a certain position when the union is combined to prevent the packing distortion and the phenomenon of packing burst.

la. Important uses of the devise

Union ball valve.

Description

Union valve with stopper

The present invention relates to a ball valve for controlling the entry and exit of gas or liquid flowing in the pipe, in particular to directly combine the union of the male thread formed on both sides of the valve body to reduce the demand of components during piping work to facilitate the work, When pressurizing the union nut connecting the union screw and union collar, the union collar is forcibly used to form a stopper on the union collar to maintain the pressure range of the packing located between the union screw and the union collar. It is related with the union valve which prevents a phenomenon and a packing popping phenomenon and there is no leakage at all.

As shown in FIG. 4, the conventional ball valve integrally forms a female spiral portion 200a for connecting a pipe to one side of the valve body 200, and also forms a female spiral portion 200b on the other side. After inserting the ball for opening and closing, a male valve part 111 and a female ring part 112 formed on the other side are coupled to each other to form a ball valve, and the ball valve is configured as described above. To connect the union ring to the male screw portion 122 by screwing the joint ring 120, the male screw portion 121, 122 formed on both sides to the female thread portion 112 of the connection ring 110 is used. Will be.

However, the union socket is used by inserting the packing 106 into the contact surface 103 of the union screw 100 and the union collar 102 connected to the other tube, and tightening the union nut 104 by tightening it. .

In this case, the union collar 102 and the union screw 100 are horizontally moved when the union socket is coupled to form a protrusion 108 at the distal end of the union collar 102 so that the union screw 102 moves horizontally. The protrusion 108 is formed so that the protrusion 108 can be immersed while being guided so that the protrusion 108 is immersed into the step 100a, and the packing fitted to the outside of the protrusion 108 by this horizontal movement ( 106) is pressed against the upper surface of the union screw.

Therefore, such pressurization is possible until the union color 102 presses the packing 106 and can be brought into close contact with the upper surface of the union screw 100, thereby causing burst of the packing 106, thereby maintaining airtightness. There was a difficult problem.

In addition, by connecting the connection ring 110 and the coupling ring 120 to the valve body 200, the cost increase due to the increase in the number of parts and the resulting process is further reduced productivity due to the continuous assembly of the number of parts The problem is that it becomes difficult to maintain exactly.

The present invention has been made to solve the above-mentioned conventional problems, it is easy to pipe work by directly coupling the union with the stopper formed on the valve body, the stopper controls the movement of the union collar when the union screw and union collar This is to provide a union valve free from leaks by preventing packing from breaking and packing from bursting.

Another object of the present invention is that the union socket is made of different materials, that is, the union screw is composed of the new column, the union collar is composed of steel (鋼製) and the V-shaped stopper formed on the union collar is the line of the union screw It is to be combined while immersing the cross-section to maintain the airtight without a separate packing.

In order to achieve the above object, the present invention is characterized in that the union socket formed with a stopper for stopping the packing to maintain the airtight of the union socket at a predetermined position to the valve body.

1 is an exploded perspective view according to an embodiment of the present invention.

Figure 2 is a cross-sectional view just before the packing of the present invention is pressed.

Figure 3 is a cross-sectional view of the packing of the present invention is fully pressurized.

4 is a cross-sectional view of a conventional union valve.

5 is an exploded cross-sectional view of a conventional union valve.

Explanation of symbols on the main parts of the drawing

A: valve body 2: union collar

4: protrusion 6: union screw

8: pressing surface 10: supporting surface

12: packing 22: union nut

Hereinafter, with reference to the accompanying drawings will be described in detail the most preferred embodiment of the present invention. First, in describing each of the drawings, the same components have the same reference numerals as much as possible even though they are shown in different drawings.

As shown in Figs. 1 to 3, the constitution of the present invention comprises a ball valve by screwing a male screw portion 6a formed on one side of the union screw 6 to one side of the valve body A. On the other side of the union screw 6, the union collar 2 having the protrusion 4 having the V-shaped pressing surface 8 is fitted at the distal end thereof, and then screwing with the union nut 22 causes V to be fitted. As the pressurized surface 8 of the female is stuck to the support surface 10 of the union screw 6, it functions as a stopper, and the packing 12 fitted to the outside of the protrusion 4 of the union collar 2 is the union screw 6. It is a configuration that is pressurized only in a constant state in the state placed on the upper surface (6b).

At this time, the protrusion 4 having the V-type pressing surface 8 to function as the stopper is made of the union screw 6 so that it can be easily nailed to the support surface 10 of the union screw 6, Union color (2) is to be strongly studded in the case of forcibly manufactured, it is possible to enhance the confidentiality, as well as to maintain the confidentiality in case of breakage of the packing (12).

The stopper function of the union union collar (2) is provided only when the packing (12) is in a constant state when the protrusion (4) having the V-shaped pressing surface (8) is in close contact with the support surface (10) of the union screw (6). The top surface 6b of the union screw 6 and the pressure projection surface 2a of the union color 2, on which the packing 12 is positioned to be pressurized, form a space and the space is not pressurized of the packing 12. Assuming that the thickness is 3mm in the non-active state, the width of the space is set so that the space within about 1.5 to 2mm is spaced apart, so that the packing 12 is broken or distorted even when the union collar 2 is firmly tightened with the union nut 22. This can be prevented.

Therefore, by directly defecting the male screw portion 6a formed separately from the union screw 6 to the ball valve body A, it is possible to reduce raw materials and improve productivity, and the V-type pressing surface 8 of the union collar 2 is Since the formed protrusions 4 are capable of stripping, damage of the packing does not occur, so the airtightness is excellent.

On the other hand, since the union galler 2 is made of a hard steel and the union screw 6 is made of a material of a new lord, the V-type pressing surface 8 formed on the union collar 2 when the union nut 22 is screwed in or out. The immersion into the receiving surface 10 of the union screw (6) is coupled to hold because of the pressing surface (8).

As described above, the present invention improves work efficiency by directly coupling the union socket in which the stopper is formed on the valve body, and also maintains the airtightness by pressing the packing only within a certain thickness even when the union socket is engaged. It is possible to provide a union valve which prevents the dent from occurring and at the same time prevents the packing from popping out.

Claims (2)

A male valve part 6a formed on one side of the union screw 6 is screwed to one side of the valve body A to form a ball valve, and the other side of the union screw 6 forms a V-shaped pressing surface at the distal end thereof. When the union collar (2) having the protrusion (4) having the (8) is fitted, and then screwed with the union nut (22), the V-shaped pressing surface (8) is the support surface (10) of the union screw (6) ) And the stopper function as being stuck to the packing (12) fitted to the outside of the protrusion (4) of the union collar (2) is pressurized only in a certain state in the state placed on the upper surface (6b) of the union screw (2) Union valve formed with a stopper. 2. The union screw (6) according to claim 1, wherein the protrusion (4) having the V-shaped pressing surface (8) is made of a new column so that the protrusion (4) can be easily embedded in the support surface (10) of the union screw (6). Collar (2) is a union valve formed with a stopper, characterized in that forcibly manufactured.