KR200482114Y1 - Globe Valve with improved assembility - Google Patents

Globe Valve with improved assembility Download PDF

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Publication number
KR200482114Y1
KR200482114Y1 KR2020150003393U KR20150003393U KR200482114Y1 KR 200482114 Y1 KR200482114 Y1 KR 200482114Y1 KR 2020150003393 U KR2020150003393 U KR 2020150003393U KR 20150003393 U KR20150003393 U KR 20150003393U KR 200482114 Y1 KR200482114 Y1 KR 200482114Y1
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KR
South Korea
Prior art keywords
valve
stuffing box
valve seat
mounting
mounting space
Prior art date
Application number
KR2020150003393U
Other languages
Korean (ko)
Other versions
KR20160004167U (en
Inventor
김준호
Original Assignee
에이치엠하이테크 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to KR2020150003393U priority Critical patent/KR200482114Y1/en
Publication of KR20160004167U publication Critical patent/KR20160004167U/en
Application granted granted Critical
Publication of KR200482114Y1 publication Critical patent/KR200482114Y1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/02—Construction of housing; Use of materials therefor of lift valves

Abstract

The present invention relates to a globe valve with improved assemblability,
A valve seat having a valve seat vertically passing through the valve seat, a front inlet connected to a lower side of the valve seat, a rear outlet connected to an upper side of the valve seat, and a mounting space formed upwardly of the valve seat to be connected to the outlet, ;
A stuffing box inserted in a mounting space portion of the valve casing;
A valve stem vertically inserted through the center of the stuffing box so as to be vertically movable;
An access port coupled to a lower end of the valve stem; And
And fixing means for fixing the stuffing box to the mounting space portion,
The stuffing box
A mounting portion inserted into the mounting space portion;
A sealing ring fitted to an outer peripheral surface of the mounting portion so as to be in close contact with an inner peripheral surface of the mounting space portion;
An annular connection portion protruding from the lower surface of the mounting portion so as to be in close contact with the valve seat;
A flow passage space portion formed to be opened downward inside the connection portion and opened and closed by the valve stem and the opening / closing port; And
And a flow hole formed on an upper side of the connection portion to connect the flow-through space portion and the discharge port,
The fixing means
A fixing groove formed along the circumference of the inner circumferential surface of the mounting space portion so as to be disposed on the outer circumferential surface of the mounting portion inserted into the mounting space portion; And
And a fixing ring fitted in the fixing groove and restricting upward movement of the stuffing box inserted into the mounting space portion.
In the glove valve improved in assemblability according to the present invention, the opening / closing port is in contact with the connecting portion of the stuffing box to open / close the flow space portion, thereby preventing wear of the valve seat due to opening and closing operation of the valve, thereby improving durability of the valve casing There is an effect that can be.
In addition, when the connecting portion and the opening / closing port are worn together to cause leakage, the valve can be easily repaired by removing some components except for the valve casing from the valve casing.
Further, since the stuffing box inserted in the mounting space of the valve casing is fixed by the fixing ring, the valve can be easily assembled and repaired as compared with the conventional screw coupling method.

Description

[0001] Globe Valve with improved assemblability [

The present invention relates to a globe valve having improved assemblability, and more particularly, to a globe valve that improves the structure of a valve to facilitate assembling and repairing, and can improve the durability of the valve casing.

A technology related to the globe valve is disclosed in Korean Utility Model Publication No. 20-2015-0001265 (published on Feb. 27, 2015, hereinafter referred to as "prior art") "valve leakage prevention device"].

The prior art

"The inlet and the outlet are formed on both sides to form a partition wall inside the pipe connecting the inlet and the outlet and a disk type opening and closing port is formed at the center of the blocking partition wall or a gate type opening and closing port A valve body for interrupting the flow of the fluid by opening and closing the access port,

A valve stem mounting portion provided at an upper portion of the outlet side of the valve body,

A connecting tube for supporting a valve stem detachably coupled to the valve stem mounting portion,

A valve stem inserted into a valve stem insertion hole formed to be raised or lowered by an actuator or handle provided on an upper portion of the connection pipe and communicating with the valve stem from the valve stem mounting portion,

A packing which is communicated with the center hole of the connection pipe and is vertically inserted into the connection tube of the valve stem insertion hole communicating with the inside of the valve stem at the valve stem installation portion,

A leak-proof packing formed in the inner circumferential surface of the inlet side of the valve body side of the valve stem insertion hole with a packing groove formed therein,

And a pressure gauge for indicating the pressure inside the connection pipe is provided on the other side of the connection pipe where the connection part is formed so that harmful gas to the human body is supplied to the inside of the connection pipe And a pressure chamber in which a constant pressure is maintained so that a pressure higher than the internal pressure of the valve body is maintained in the connection pipe,

A harmful gas is supplied to the inside of the valve stem insertion hole communicating with the inside of the valve stem at the valve stem installation portion at a constant pressure so that even if a leakage factor occurs through the valve stem installation hole in the valve stem, This is a technique that prevents leakage to the outside due to the pressure of the gas.

As a result, the fluid pressure at the inlet side of the valve at the time of closing the valve is lower than the fluid pressure at the inlet side of the valve seat, as the fluid inlet is connected to the lower side of the opening / So that the water leakage preventing performance can be improved.

However, since the opening / closing port of the prior art has a structure in which the valve stem can not be drawn out to the upper side of the valve body, it is inconvenient to assemble the valve stem while inserting the valve stem into the valve body. Particularly, There is a problem that the repair work must be extremely difficult because the valve body must enter the valve body and perform the replacement operation.

In the prior art, the valve seat of the valve body rubs against the opening and closing port during valve opening and closing operations, thereby causing a problem that the valve seat is worn together with the opening and closing port during long-term use. When the valve seat is worn, The entire valve needs to be replaced at the time of operation, resulting in troublesome work and a large cost.

The present invention has been made to solve the above problems,

And it is an object of the present invention to provide a glove valve with improved assemblability that can be assembled and repaired more easily by improving the coupling structure between the valve casing and other components.

In addition, it is possible to improve the durability of the valve casing by preventing the valve seat from being worn by the valve opening and closing operation. In addition, when leakage occurs, some parts except the valve casing are removed from the valve casing, And to provide a glove valve with improved assembling performance.

According to an aspect of the present invention, there is provided a glove valve having improved assemblability,

A valve seat having a valve seat vertically passing through the valve seat, a front inlet connected to a lower side of the valve seat, a rear outlet connected to an upper side of the valve seat, and a mounting space formed upwardly of the valve seat to be connected to the outlet, ;

A stuffing box inserted in a mounting space portion of the valve casing;

A valve stem vertically inserted through the center of the stuffing box so as to be vertically movable;

An access port coupled to a lower end of the valve stem; And

And fixing means for fixing the stuffing box to the mounting space portion,

The stuffing box

A mounting portion inserted into the mounting space portion;

A sealing ring fitted to an outer peripheral surface of the mounting portion so as to be in close contact with an inner peripheral surface of the mounting space portion;

An annular connection portion protruding from the lower surface of the mounting portion so as to be in close contact with the valve seat;

A flow passage space portion formed to be opened downward inside the connection portion and opened and closed by the valve stem and the opening / closing port; And

And a flow hole formed on an upper side of the connection portion to connect the flow-through space portion and the discharge port,

The fixing means

A fixing groove formed along the circumference of the inner circumferential surface of the mounting space portion so as to be disposed on the outer circumferential surface of the mounting portion inserted into the mounting space portion; And

And a fixing ring inserted in the fixing groove and restricting upward movement of the stuffing box inserted into the mounting space portion.

In the globe valve improved in assemblability according to the present invention,

The opening and closing port is in contact with the connecting portion of the stuffing box to open and close the flow path space portion, thereby preventing the valve seat from being worn by the valve opening and closing operation, thereby improving the durability of the valve casing.

In addition, when the connecting portion and the opening / closing port are worn together to cause leakage, the valve can be easily repaired by removing some components except for the valve casing from the valve casing.

Further, since the stuffing box inserted in the mounting space of the valve casing is fixed by the fixing ring, the valve can be easily assembled and repaired as compared with the conventional screw coupling method.

1 is an exploded perspective view of a glove valve according to an embodiment of the present invention;
Fig. 2 is a cross-sectional view of a glove valve according to an embodiment of the present invention, showing a state in which a valve is closed. Fig.
3 is a cross-sectional view of a glove valve according to an embodiment of the present invention, showing a state in which a valve is opened.
4 is a cross-sectional view of a glove valve according to an embodiment of the present invention, showing a state in which a stuffing box, a valve stem, and an opening / closing port are separated from a valve casing.

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

The glove valve according to an embodiment of the present invention is mainly composed of a valve casing 100, a stuffing box 200, a valve stem 300, and an opening / closing port 400, as shown in FIGS. 1 to 4 .

Hereinafter,

A valve casing (100)

A front inlet 120;

A rear outlet 130;

A valve seat (110) for partitioning the inlet (120) and the outlet (130); And

And a mounting space 140 formed upwardly to be disposed on the upper side of the valve seat 110.

The valve seat 110 has a vertically penetrating shape so that the inlet port 120 is connected to the lower side of the valve seat 110 and the outlet port 130 is connected to the upper side of the valve seat 110 .

A branch pipe 150 protruding upward is formed between the inlet 120 and the outlet 130 and the mounting space 140 is provided inside the branch pipe 150.

The stuffing box 200 is coupled to the mounting space 140 of the valve casing 100,

A mounting portion 260 inserted into the mounting space portion 140 of the valve casing 100;

A sealing ring 270 fitted to the outer circumferential surface of the mounting portion 240 so as to be in close contact with the inner circumferential surface of the mounting space portion 140;

An annular connecting portion 210 formed at a lower end of the valve casing 110 so as to be in close contact with the valve seat 110 of the valve casing 100;

A flow-through space part 220 formed to be opened downward inside the connection part 210; And

And a flow hole (230) formed on the upper side of the connection part (210) so as to connect the flow space part (220) and the discharge hole (130).

The mounting portion 260 is formed in a cylindrical shape and has a step portion 261 protruding along the circumference of the outer circumference of the mounting space portion 140 to be in contact with the inner circumferential surface of the mounting space portion 140, Is inserted.

As described above, the step portion 261 of the mounting portion 260 is brought into contact with the inner circumferential surface of the mounting space portion 140, so that the portion where the step portion 261 is formed on the outer circumferential surface of the mounting portion 260 is mounted And is in non-contact with the inner peripheral surface of the space portion 140.

The sealing ring 270 may be formed of a known O-ring as shown in the figure, and is interposed between the outer circumferential surface of the mounting portion 260 and the inner circumferential surface of the mounting space portion 140 to seal the space therebetween.

The connection part 210 includes an internal connection part 211 inserted into the valve seat 110 and an upper connection part protruding from the upper side of the internal connection part 211 around the outer circumferential surface and contacting the upper surface of the valve seat 110 212).

The connecting portion 210 is brought into close contact with the inner circumferential surface and the upper surface of the valve seat 100 by inserting the stuffing box 200 into the mounting space portion 140 so that the connecting portion 210 is inserted between the valve seat 100 and the stuffing box 200 Thereby blocking the flow of the fluid.

The leakage between the valve seat 100 and the stuffing box 200 can be more effectively blocked by interposing the packing 213 between the lower surface of the upper connecting portion 212 and the upper surface of the valve seat 110. [

The flow holes 230 are formed in circular holes and are arranged radially along the periphery of the stuffing box 200 so as to be positioned above the connection portions 210.

The stuffing box 200 includes a body 200A having the mounting portion 260, the connecting portion 210, the flow passage space 220, the flow hole 230 and the upwardly opened internal accommodation space 250, And a cap 200B coupled to the housing space 250 of the housing 200A.

A gland packing 240 is inserted into a lower portion of the accommodation space 250 of the body 200A and is pressed by the cap 200B while the valve stem 300 to be described later is inserted. Thereby preventing leakage between the stuffing box 200 and the stuffing box 200.

As shown in the figure, the upper end of the mounting space 140 is provided with fixing means 600 for fixing the stuffing box 200 to the mounting space 140.

The fixing means 600 includes a fixing groove 610 formed along the inner circumferential surface of the mounting space 140 so as to be disposed on the outer circumferential surface of the mounting portion 250 inserted into the mounting space 140, And a stationary ring 620 that is inserted into the mounting space 140 and restricts the upward movement of the stuffing box 200 inserted into the mounting space 140.

Here, a fixed ring 620 can be a snap ring, and various ring-shaped mechanical elements can be applied to reduce the diameter of the retaining ring 620 due to an external force, and restore the external force when the external force is removed.

According to the structure of the fixing means 600, the stuffing box 200 can be quickly engaged as compared with the screw coupling method. In addition, even if the valve casing 100 or the stuffing box 200 is corroded or foreign matter is adhered to the valve casing 100 or the foreign matter is stuck between the valve casing 100 and the stuffing box 200 due to the use of the valve for a long time, the stuffing box 200 can be easily disassembled and coupled, Assembling and repairing of the battery can be facilitated.

The valve stem 300 is made of an elongated bar form and is vertically inserted through the center of the stuffing box 200 so as to be able to lift.

The valve stem 300 is lifted up by the spring 500 provided inside the stuffing box 200 so that the upper end protrudes upward from the stuffing box 200 as shown in FIG.

A separate actuator (not shown) is coupled to the branch pipe 150 of the valve casing 100 and the valve stem 300 is moved downward as shown in FIG. 3 by the driving of the actuator do.

The opening / closing port 400 is coupled to the lower end of the valve stem 300 to open / close the flow path space 220 by the upward / downward movement of the valve stem 300,

A sealing part 410 which closes the flow-through space part 220 in contact with a lower surface of the internal connection part 211 in a state where the valve stem 300 is lifted;

An annular guide portion 420 protruding from the upper portion of the sealing portion 410 and inserted to contact the inner circumferential surface of the flow-through space portion 220; And

And a connecting part 430 formed to be laterally opened in the guide part 420 and connecting the inlet 120 to the flow path space part 220 in a state where the valve stem 300 is lowered.

The sealing portion 410 includes a packing 411 fitted on the upper surface of the outer circumferential surface and the packing 411 contacts the lower surface of the inner connecting portion 211 to close the communication space portion 220 Structure. However, the sealing part 410 may be made to include the packing 411 in accordance with the material thereof and directly contact the lower surface of the internal connection part 211.

The upper end of the guide part 420 is always inserted into the flow space part 220 so that the guide part 420 slides in contact with the inner circumferential surface of the flow path space part 220 during the lifting operation of the valve stem 300, 300 and the opening / closing port 400 can be smoothly performed.

The opening portion 430 is formed in a V shape, and two or more portions are formed along the circumference of the guide portion 420.

In other words, the opening portion 430 is formed as a space having a shape of a top surface of the upper bulb, and accordingly, the user can adjust the flow rate of the flow passing through the opening portion 430 by adjusting the lowered position of the valve stem 300 Can be adjusted.

The glove valve of the present invention having the above-described configuration is configured such that the sealing portion 410 of the opening / closing port 400 is connected to the connection portion (not shown) of the stuffing box 200 The valve stem 300 is brought into close contact with the lower surface of the valve stem 210 to block the flow of the fluid and the valve stem 300 is lowered as shown in Figure 3 by the opening portion 430 of the opening / The flow space 220 is connected to allow the fluid at the inlet port 120 to flow to the outlet port 130 through the flow path space 220 and the flow hole 230 of the stuffing box 200.

As a result, the glove valve of the present invention opens and closes the flow-through space portion 220 while the opening / closing port 400 contacts the connecting portion 210 of the stuffing box 200. Accordingly, the valve seat 110, The durability of the valve casing 100 is improved. In addition, when the valve is closed, the fluid pressure on the inlet port 120 side acts in the direction in which the opening / closing port 400 presses the connection portion 210 of the stuffing box 200, thereby further enhancing the leakage prevention performance.

When the connection part 210 of the stuffing box 200 and the opening and closing part 400 are worn together to generate leakage, as shown in FIG. 4, some parts except the valve casing 100, that is, the stuffing box 200 The valve stem 300 and the opening / closing port 400 are separated from the valve casing 100 and replaced, so that the valve can be easily repaired.

Although the glove valve having a specific shape and structure has been described with reference to the accompanying drawings, various modifications and changes may be made by those skilled in the art. Should be interpreted as falling within the scope of protection.

100: Valve casing
110: valve seat 120: inlet
130: exhaust port 140: mounting space part
150: Branch organization
200: stuffing box
210: connecting portion 220:
230: Distribution hole 240: Gland packing
250: accommodation space 260; Mounting portion
270; Sealing ring
300: Valve stem
400:
410: sealing part 420: guide part
430:
500: spring
600; Fixing means
610; A fixing groove 620; Fixed ring

Claims (3)

A front inlet 120 connected to the lower side of the valve seat 110, a rear outlet 130 connected to the upper side of the valve seat 110, a discharge port 130 connected to the upper side of the valve seat 110, A valve casing (100) having a mounting space (140) formed upwardly of the valve seat (110) to be connected to the valve seat (110);
A stuffing box (200) inserted in a mounting space (140) of the valve casing (100);
A valve stem 300 vertically inserted through the center of the stuffing box 200 so as to be vertically movable;
An access port 400 coupled to a lower end of the valve stem 300; And
And fixing means (600) for fixing the stuffing box (200) to the mounting space portion (140)

The stuffing box (200)
A mounting portion 260 inserted into the mounting space portion 140;
A sealing ring 270 fitted to an outer circumferential surface of the mounting portion 260 so as to be in close contact with an inner circumferential surface of the mounting space portion 140;
An annular connection part 210 protruding from the lower surface of the mounting part 260 so as to be in close contact with the valve seat 110;
A communicating space part 220 formed to be opened downward inside the connection part 210 and opened and closed by the valve stem 300 and the opening / closing part 400; And
And a flow hole (230) formed on the upper side of the connection part (210) so as to connect the circulation space part (220) and the discharge port (130)

The fixing means (600)
A fixing groove 610 formed along the inner circumferential surface of the mounting space 140 so as to be disposed on the outer circumferential surface of the mounting portion 260 inserted into the mounting space 140; And
And a fixing ring 620 fitted in the fixing groove 610 and restricting upward movement of the stuffing box 200 inserted into the mounting space 140,

The connecting portion 210 of the stuffing box 200
An internal connection portion 211 inserted into the valve seat 110; And
And an upper connection part (212) formed on the upper side of the internal connection part (211) and protruding along the outer peripheral surface to be in contact with the upper surface of the valve seat (110)

The opening / closing part 400
A sealing part (410) which closes the flow-through space part (220) in contact with a lower surface of the internal connection part (211) in a state where the valve stem (300) is raised;
An annular guiding part 420 protruding from the upper part of the sealing part 410 and inserted to contact the inner circumferential surface of the flow-through space part 220; And
And an opening part 430 formed to be laterally opened in the guide part 420 and connecting the inlet port 120 and the flow path space part 220 while the valve stem 300 is lowered Features glove valve.
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KR2020150003393U 2015-05-28 2015-05-28 Globe Valve with improved assembility KR200482114Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2020150003393U KR200482114Y1 (en) 2015-05-28 2015-05-28 Globe Valve with improved assembility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2020150003393U KR200482114Y1 (en) 2015-05-28 2015-05-28 Globe Valve with improved assembility

Publications (2)

Publication Number Publication Date
KR20160004167U KR20160004167U (en) 2016-12-07
KR200482114Y1 true KR200482114Y1 (en) 2016-12-16

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KR2020150003393U KR200482114Y1 (en) 2015-05-28 2015-05-28 Globe Valve with improved assembility

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016226080A1 (en) * 2016-12-22 2018-06-28 Continental Automotive Gmbh Valve
CN112539285A (en) * 2020-12-07 2021-03-23 河南泉舜流体控制科技有限公司 Hemisphere valve that can maintain on line

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001193846A (en) * 2000-01-06 2001-07-17 Smc Corp Two port connection valve
JP2010190252A (en) * 2009-02-16 2010-09-02 Yamatake Corp Valve device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57122474U (en) * 1981-01-27 1982-07-30
JPH06281021A (en) * 1993-03-31 1994-10-07 Kubota Corp Valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001193846A (en) * 2000-01-06 2001-07-17 Smc Corp Two port connection valve
JP2010190252A (en) * 2009-02-16 2010-09-02 Yamatake Corp Valve device

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