KR200167189Y1 - The valve without grand packing - Google Patents

Abstract

The present invention forms a valve seat on a fluid flow path inside the body, and installs a spindle axis that can move to be in close contact with or away from the valve seat, so that the valve is configured to open and close the fluid flow by movement of the spindle axis. The spindle axis in the center is " A substantially cylindrical fluid leak containment vessel having a cross-sectional shape integrally fixed, wherein the upper end of the fluid leak containment vessel is made of an elastic material, the shape of which is bent outwards, and continues to bend downward; ”Type fluid leakage preventing projection, the center portion is bent to the lower side to form an inner vertical bending wall having a certain length, and the outer vertical perpendicular to the outer side of the inner vertical bending wall formed side by side at a predetermined distance apart from the inner vertical bending wall A fluid leakage preventing sleeve having a bent wall is accommodated in a state formed between the inner vertical bending wall and the outer vertical bending wall in a state in which the fluid leakage preventing protrusion is contracted and in close contact with the fluid leakage preventing sleeve. Body is installed with fluid leakage prevented. Leakage of fluid with gland packing removed The transfer of the fluid and provides a gland packing is removed the valve to open and close.

Description

Gland Removed Valve

1 is a cross-sectional view showing a conventional general valve employing a gland packing.

2 is a cross-sectional view showing a valve in which the grand packing is removed according to the present invention.

3 is an operating state of the valve according to the present invention.

4 is an exploded perspective view showing a valve according to the present invention.

* Explanation of symbols for main parts of the drawings

110: seat body 112: valve seat

120: valve disc 130: spindle axis

136: fluid leak prevention container 138: fluid leak prevention protrusion

140: bonnet 150: fluid leakage prevention sleeve

156,157: vertical bending wall 158: space

The present invention relates to a valve for opening and closing a transfer of a fluid, and more particularly to a valve in which the grand packing is removed to enable the opening and closing of the transfer of the fluid without leakage of the fluid in the state that the grand packing is removed.

The conventional valve is provided with a seat body 10 having a flow path of the "ㅗ" type to form a circular valve seat 12 as shown in Figure 1 to allow fluid to flow therein, the seat Disc 20 capable of opening and closing the valve seat 12 of the body 10 is connected to the spindle shaft 30 via a nut 22, the spindle shaft 30 is flanged with the seat body 10. A predetermined length is extended to the outside of the seat body 10 through the bonded bonnet 40, and the coupling portion between the bonnet 40 and the spindle shaft 30 has a gland to prevent leakage of fluid. The packing 50 is mounted, and the gland packing 50 is firmly held by the packing blocking plate 52 mounted to the bonnet 40 via the bolt 54. In addition, the outer extension of the spindle shaft 30 forms a thread 32 to extend from the bonnet 40 to be screwed to the screw member 44 of the valve yoke 42 integrally formed so that the spindle shaft 30 By moving the valve handle 34 mounted at the outer end of the seat, the disk 20 at its inner end is moved away from the valve seat 12 or brought into contact with the valve seat 12 while moving upward and downward in the drawing. The fluid passing through the body 10 may flow or block the flow.

By the way, the conventional valve as described above has a gland packing to block the leakage of fluid for its smooth operation, the gland packing may be worn or ruptured after being used for a certain time, in which case the fluid It leaks to the outside, and the packing is compressed to penetrate the inside of the seat body to contaminate the fluid to cause equipment failure, thereby reducing the productivity due to the equipment stop.

The present invention has been made to solve the conventional problems as described above, the purpose of which is to install a valve which is operated to control the flow of the fluid to remove the gland packing to prevent the leakage of the fluid without leaking the fluid Provided is a valve with a gland packing removed to control the flow of fluid.

As a technical configuration for achieving the above object, the present invention, by forming a valve seat on the fluid flow path inside the body, by installing a spindle shaft that can move to be in close contact with or away from the valve seat In a valve adapted to open and close a fluid flow by movement of a spindle axis, the spindle axis is “ A substantially cylindrical fluid leak containment vessel having a cross-sectional shape integrally fixed, wherein the upper end of the fluid leak containment vessel is made of an elastic material, the shape of which is bent outwards, and continues to bend downward; ”Type fluid leakage preventing projection, the center portion is bent to the lower side to form an inner vertical bending wall having a certain length, and the outer vertical perpendicular to the outer side of the inner vertical bending wall formed side by side at a predetermined distance apart from the inner vertical bending wall A fluid leakage preventing sleeve having a bent wall is accommodated in a state formed between the inner vertical bending wall and the outer vertical bending wall in a state in which the fluid leakage preventing protrusion is contracted and in close contact with the fluid leakage preventing sleeve. By providing a valve with a grand packing removed, characterized in that the body is mounted in a state of preventing fluid leakage .

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

2 is a cross-sectional view showing the valve gland is removed in accordance with the present invention, Figure 4 is an exploded perspective view showing a valve according to the present invention.

The seat body 110 of the present invention forms a valve seat 112 in the horizontal direction therein, the upper direction, the left direction and the right direction are each formed in a flange shape and open based on the valve seat 112. The left flange is a passage (A) for fluid flow, the right flange is a passage (B) for fluid flow, and the upper flange portion prevents fluid leakage, and the disk (120) mounted on the valve seat (112) It is a part where components for moving up and down are mounted.

One end of the spindle shaft 130 is connected to the disk 120 via the nut member 132, and the spindle shaft 130 is formed to have a predetermined length so as to extend to the outside of the seat body 110. A thread 134 is formed at the outer end, and at the center, An approximately cylindrical fluid leak prevention vessel 136 of the ”cross section is fixed integrally.

As shown in FIG. 4, the fluid leak prevention container 136 is integrally formed with the same material as the spindle axis 130, and a central portion thereof is connected to the spindle axis 130, and the fluid leakage prevention container 136 The upper end portion of the upper side) is somewhat elastic in the direction of the center of the fluid leakage preventing cylinder 136 by forming a "∩" type fluid leakage preventing protrusion 138, the shape of which is bent outward, and continues to bend to the lower side. Have And said “ ”Type fluid leakage preventing protrusion 138 is inserted into the space 158 formed by the inner vertical bending wall 156 and the outer vertical bending wall 157 of the fluid leakage preventing sleeve 150, which will be described later. It is configured to slide. In addition, the fluid leakage preventing cylinder 136 continuously forms the groove 137 of the appropriate shape in the circumferential direction on the central upper surface of the horizontal portion, that is, the portion close to the outer peripheral surface of the spindle shaft 130.

And, the lower side of the spindle shaft 130, more precisely the lower side of the fluid leakage preventing container 136 it has a " It is slidably fitted in the center of the substantially cylindrical bonnet 140 of the ”cross section, and the bonnet 140 is formed by the protruding jaw 142 which further protrudes to the lower side at the center of the lower face, and the protrusion The jaw 142 is mounted on the packing member 117 by the groove 115 formed in the upper surface of the flange 114 of the seat body 110, and the bonnet 140 has a plurality of holes penetrating up and down ( 144, the inner side of the upper surface is formed with a groove 146 that is dug to a suitable depth to the lower side, the groove 146 protruding jaw of the fluid leakage preventing sleeve 150 via the packing member 147 (152) is put on.

The fluid leakage preventing sleeve 150 is formed radially outwardly than the protruding jaw 152 to penetrate up and down through the portion, and is formed at the same position as the through hole 144 of the bonnet 140. It has a plurality of through holes 154, the central portion is bent to the lower side and has an inner vertical bending wall 156 having a predetermined length, the outer side of the inner vertical bending wall 156, the inner vertical bending wall 156 And an outer vertical bending wall 157 formed side by side at a predetermined distance apart from each other, and the fluid leakage preventing protrusion of the fluid leakage preventing cylinder 136 is disposed between the inner vertical bending wall 156 and the outer vertical bending wall 157. The space 158 is formed so that the 138 can be contracted to an appropriate degree and slide up and down.

In addition, a flexible blocking film having a hole 162 penetrating up and down at the same position as the through hole 154 of the fluid leakage preventing sleeve 150 is formed on an upper surface of the fluid leakage preventing sleeve 150. 160 is placed, the flexible blocking film 160 is made of a flexible material is free to shrink and expand, the center portion is mounted on the groove 137 of the fluid leakage prevention container 136 and fitted to the spindle shaft 130 The sleeve 164 which is slidable in the up and down direction and has a spring seating portion is fixed to the upper side, and the flexible blocking film 160 is formed such that its center portion is appropriately squeezed to the lower side as shown in FIG. desirable.

In addition, an upper bonnet 170 having a through hole 172 penetrating up and down is placed on the same position as the hole 162 of the flexible blocking film 160. The upper bonnet 170 forms a female thread 174 in the vertical direction at the center thereof, and the female member 174 forms a female thread 184 therein and a male thread 182 formed outside thereof. 180 is fitted and coupled, wherein the spring 190 is inserted into the spindle shaft 130 between the nut member 180 and the sleeve ring 164 in a compressed state to a certain degree, thereby closing the sleeve ring 164. The center portion of the flexible barrier layer 160 which fixes the sleeve ring 164 by being pushed to the lower side can be kept in a state of being struck to the lower side, and the female screw thread 184 of the nut member 180 has a spindle shaft ( The screw thread 134 of the screw 130 is screwed to spin the spindle shaft 130 when it is rotated. Shaft 130 so as to be capable of moving up and down, and the upper end of this nut member 180 is fixed firmly to the upper surface of the upper hood 170 in the bolt member by forming the intermediate flange.

In addition, a bolt is provided in the hole 172 of the upper bonnet 170, the hole 162 of the flexible barrier layer 160, the hole 154 of the fluid leakage preventing sleeve 150, and the hole 144 of the bonnet 140. 192 is inserted into the bolt 192 is coupled to the flange 114 of the seat body 110, the upper bonnet 170, the flexible blocking film 160, the fluid leakage preventing sleeve 150 and the bonnet 140 ) Will be fixed to the seat body (110).

Of course, the outer side of the spindle shaft 130 is mounted with a valve handle (139).

It demonstrates the effect of the present invention with the above configuration.

The valve of the present invention as shown in Figs. 2 to 4 is used for the fluid transfer control to block the transfer of the fluid or allow the fluid to flow, and Fig. 2 shows a case of blocking the transfer of the fluid. 3 degrees shows a case where the fluid flows.

First, in the case where the transfer of fluid is blocked, the valve handle 139 is rotated so that the spindle shaft 130 is moved downward by the valve handle 139, and the valve disk (mounted at the end of the spindle shaft 130) ( 120 may be maintained in a seated state on the valve seat 112 of the seat body (110). At this time, the fluid leakage preventing cylinder 136 integrally formed on the spindle shaft 130 moves to the lower side while rotating, and closes the fluid leakage preventing protrusion 138 formed at the upper end thereof in the space 158 of the fluid leakage preventing sleeve 150. Bar to the lower side in such a state, due to such a structure, the fluid inside the seat body 110 leaks to the outside of the seat body 110 through the contact portion between the fluid leakage preventing cylinder 136 and the fluid leakage prevention sleeve 150 Is prevented from being primarily prevented from leaking to the outside by the flexible blocking film 160 which is in close contact with the fluid leakage preventing container 136 by the spring 190.

In this state, as shown in FIG. 2, the valve disc 120 is held in the seat of the valve seat 112 of the seat body 110 to block the fluid passage A and the fluid passage B so that the fluid flows into the seat body ( It is a state that blocks the movement through the 110, in this case, the fluid leakage preventing cylinder 136 integrally formed on the spindle shaft 130 is moved to the lower side and the flexible blocking film 160 is also in close contact with the upper surface of the spring By the elastic force of the 190 is to maintain a state in close contact with the upper surface of the fluid leakage preventing container 136 to move to the lower side.

Next, in the case of allowing the fluid to flow, the valve handle 139 is rotated so that the spindle shaft 130 is moved upward by the valve handle 139, and the valve disc (mounted at the end of the spindle shaft 130) ( 120 may move upward from the valve seat 112 of the seat body 110 and fall from the valve seat 112. At this time, the fluid leakage preventing cylinder 136 integrally formed on the spindle shaft 130 moves to the upper side while rotating, and the fluid leakage preventing protrusion 138 formed at the upper end thereof is in the space 158 of the fluid leakage preventing sleeve 150. Bar to move to the upper side in close contact, the fluid inside the seat body 110 is leaked to the outside of the seat body 110 through the contact portion of the fluid leakage prevention cylinder 136 and the fluid leakage prevention sleeve 150 1 The leakage of the fluid to the outside by the flexible blocking film 160 which is prevented in the secondary and in close contact with the fluid leakage preventing container 136 by the spring 190 can be prevented secondary.

In this state, as shown in FIG. 3, the valve disc 120 is maintained at a proper distance from the upper side of the valve seat 112 of the seat body 110 to connect the fluid passage A and the fluid passage B so that the fluid is seated. In this case, the fluid leakage preventing container 136 integrally formed on the spindle shaft 130 moves to the upper side, and the flexible blocking film 160 which is in close contact with the upper surface thereof is also spring. By the elastic force of the 190 is to maintain a state in close contact with the upper surface of the fluid leakage preventing container 136 to move to the upper side.

That is, in the case where the transfer of the fluid is interrupted or the fluid flows, the spindle shaft 130 is rotated even if the spindle shaft 130 is moved upward or downward by the valve handle 139. The fluid leakage preventing container 136 integrally formed in the above) moves the fluid leakage preventing protrusion 138 formed at the upper end thereof in close contact with the space 158 of the fluid leakage preventing sleeve 150. The fluid inside the 110 is prevented from leaking outside the seat body 110 through the contact portion between the fluid leakage preventing container 136 and the fluid leakage preventing sleeve 150, and the fluid leakage by the spring 190. The leakage of the fluid to the outside by the flexible blocking film 160 in close contact with the prevention container 136 may be prevented secondary.

According to the valve with the gland packing removed according to the present invention as described above, the fluid leakage preventing container is integrally mounted to the spindle shaft operated to control the flow of fluid, and the end of the fluid leakage preventing container is made of an elastic material. It forms a fluid leakage prevention protrusion, which can prevent the leakage of fluid while moving up and down in a state in which the fluid leakage prevention projection is contracted in close contact with the space, which is worn or ruptured after being used for a certain time as in the prior art In some cases, the fluid leaks to the outside and the gland is compressed to remove the gland packing that penetrates the inside of the seat body to contaminate the fluid, thereby providing a practical effect of easily and stably controlling the flow of the fluid without leaking the fluid. Have

Claims (1)

The valve seat 112 is formed on the fluid flow path inside the body 110, and the spindle shaft 130 is installed to move in close contact with the valve seat 112 or away from the valve seat 112. In a valve configured to open and close a fluid flow by movement of the spindle shaft 130, the spindle shaft 130 is formed at the center portion “. The fluid leakage containment vessel 136, which has a substantially cylindrical shape having a ”cross section, is integrally fixed, and an upper end portion of the fluid leakage containment vessel 136 is bent outwardly and continuously bent downwardly. The fluid leakage preventing protrusion 138 having the ”shape has elasticity, and its central portion is bent downward to form an inner vertical bending wall 156 having a predetermined length, and to the outside of the inner vertical bending wall 156. The fluid leakage preventing protrusion 138 is contracted into a space 158 formed between the inner vertical bent wall 156 and the outer vertical bent wall 157 which are formed side by side at a predetermined distance apart. , The fluid leak-proof sleeve 150 is the valve gland packing is removed, characterized in that the seat body 110 is mounted in a state of preventing fluid leakage.