KR101911543B1 - Pipe connecting structure - Google Patents
Pipe connecting structure Download PDFInfo
- Publication number
- KR101911543B1 KR101911543B1 KR1020150179365A KR20150179365A KR101911543B1 KR 101911543 B1 KR101911543 B1 KR 101911543B1 KR 1020150179365 A KR1020150179365 A KR 1020150179365A KR 20150179365 A KR20150179365 A KR 20150179365A KR 101911543 B1 KR101911543 B1 KR 101911543B1
- Authority
- KR
- South Korea
- Prior art keywords
- ring
- thread
- female thread
- piping
- male
- Prior art date
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Classifications
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
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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
- F16K27/00—Construction of housing; Use of materials therefor
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/04—Screw-threaded joints; Forms of screw-threads for such joints with additional sealings
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L17/00—Joints with packing adapted to sealing by fluid pressure
- F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Valve Housings (AREA)
Abstract
The present invention relates to a piping connection structure that is easy to connect piping when a piping is connected to a valve or an adapter during cold / hot water piping, and has a high airtightness in a connected state.
For this purpose, in the present invention, an epoxy coating layer is formed to a certain thickness on a male thread, a step is formed on the inner side of a female thread, and an o-ring is placed on the step so that airtightness by the epoxy coating layer and o- By tightening with pressure, it is possible to maintain perfect airtightness by simple fastening operation due to keeping airtightness by O-ring.
Description
The present invention relates to a connection part of a piping which is easy to connect a piping to an inlet side of a flow path of a flow path of a valve, a branch, or the like during cold / hot water piping,
In order to provide easy connection of piping when piping is connected to the inlet side or the outlet side of the flow path of the valve used for interrupting the fluid flowing in the piping or the sub-tappet for branching, etc., Each of which is equipped with piping heat fittings for piping connection.
In other words, when piping is connected to an outlet for a valve, a branch, etc., a female thread is formed on the inlet side of the subheader for such a valve or branch, and a male screw thread is formed on the outlet side. The flow is prevented from leaking during flow, and the piping connection part also provides ease of assembly for connection of the piping.
In particular, when water is supplied to each of the homes in the granular piping of the multi-story building, water is supplied so as to be interrupted by the valve.
Therefore, the connection part for connection of the pipe connected to the inlet side of the valve requires a considerable airtightness in the part where the male thread of the connection part is connected with the female thread formed at the inlet side of the valve.
In other words, if leakage occurs in the connection part connected to the inlet side of such a valve, water supply to the whole multi-story building will be disturbed, and if water leakage occurs and repair is desired, the water of the pipe connected to the granular pipe This means that it is costly and time-consuming to do all this work, which is a significant inconvenience to all residents of multi-story buildings.
Therefore, Teflon tapes are first taped to the male threads of the connection parts connected to the female threads on the inlet side of the valve at a predetermined number of times, then wrapped in a plurality of times with a second thread tape, and then the piping compound is applied in a third order. It is used in connection with the method.
However, there is a problem that such an operation method can not be performed by a skilled person. In particular, when winding the Teflon in the same direction as the pipe connection and reversely winding it, the thread is loosened during screw tightening, Also, even in the initial stage for winding, when there is no holding cycle for firm fixing of the Teflon, or when the holding cycle is wrong, there is a difficulty in fastening as well as loosening and loosening at the time of tightening, and even if it is tightened, A problem will arise.
In addition, even if the winding direction is reversed, if the method of winding the Teflon is wrong, loosening may occur and if it is combined with a female thread such as an adapter for a valve or a branch having a complementary relationship with a pipe pipe, In this case, it is difficult to tighten the female thread formed on the adapter or the like for the valve or the branch.
This is because when the pipe connection is made, the outer diameter of the male threads and the inner diameter of the female threads are engaged with each other in a state in which they are closely meshed with each other, so that there is a difficulty in tightening the connection even if the rubber is wound more than necessary.
Therefore, most workers will be able to tighten the thread by threading the Teflon thread several times.
However, in the case where Teflon is less wound on the male screw thread for easy assembly, there is a difficulty in maintaining tightness while the tightening operation is easy.
In addition, since the piping compound must be applied in the state of winding the Teflon, there is a difficulty in following the operation.
Therefore, it is difficult for the pipe worker to wrap the Teflon in the untrained person because of such a problem. Therefore, there is a difficulty in maintaining the airtightness of the piping as well as the difficulty of the piping work.
Therefore, in the present invention, it is possible to improve the workability of the piping as well as to improve the air-tightness maintenance without the need of winding the Teflon in the piping work.
To this end, in the present invention, epoxy is applied to a male thread with a predetermined thickness to form a coating layer, and the epoxy coating layer is cured by engaging with a female thread to enable airtightness to be maintained.
In addition, when it is difficult to maintain the airtightness only by the epoxy application layer, the O-ring is placed in the portion where the female thread and the male thread are in close contact with each other, thereby securing a secondary airtightness.
In addition, a protrusion having a chamfered surface is formed at the tip of the male screw thread so as to be protruded, and then the chamfered surface is brought into close contact with the inner surface of the female thread so as to be able to maintain the tertiary hermeticity.
In addition, in the case where the O-ring is to be placed, in order to improve the fixing force of the O-ring when the step is not formed at the tip of the female thread, an inner groove is formed in the portion where the flange surface of the male thread is formed, The upper surface of the female thread is pressurized and the upper surface of the female thread is tightly adhered to the threaded portion where the thread is formed.
In addition, by providing the flange surface of the male screw thread with a separate flange, the pressing force of the O-ring as well as the workability and airtightness of the inner groove are improved.
Therefore, the number of connectors connected to the inlet layer of the sub-taps for valves, branches, etc. It has excellent hardenability with a certain thickness in the thread and excellent airtightness, and the epoxy coating layer provides close coupling and arbitrary separation Is not generated.
In addition, since there is no possibility of discretionary separation, the airtightness is improved in a coupled state. A step is formed on the inner side of the female thread, and the O-ring is assembled by the O-ring closely attached to the flange surface of the male threads. When the male thread is tightened with female threads, it is possible to maintain the second tightness with the O-ring.
Further, the tip of the male thread of the connector is extended to form the protrusion, and then the chamfered surface is formed on the inner surface thereof, so that the chamfered surface is press-contacted with the step formed on the inner side of the female thread, .
Therefore, it is possible to keep the airtightness in triple, so it is suitable for use where airtightness is required.
In addition, the operator has to merely connect the piping to the connection port, and then connect the connection pipe only by fastening.
In addition, in order to maintain the tightness of the female threads of valves such as valves, branches, etc., and to maintain airtightness by means of the O-ring, a flange surface is formed at the rear end of the male threads of the connection port Only a certain portion of the O-ring is inserted into the inner groove so that the O-ring is prevented from being deformed by the pressurization, so that the airtightness is improved.
FIG. 1 is an embodiment in which an epoxy coating layer is formed on a male thread of a connector of the present invention and the female thread is joined to a female thread for an valve, a branch, or the like.
FIG. 2 is an embodiment in which a step for placing an O-ring is formed at the tip of a female thread of an octopus or the like for a valve, a branch or the like of the present invention.
Fig. 3 is a perspective view of an embodiment in which the male threads of the connector of the present invention are joined to the female threads corresponding to the inlet side of the sub-
FIG. 4 shows an embodiment in which piping is connected to the inlet side and the outlet side of the sub-tank for the valve, branch, etc. of the present invention.
Fig. 5 is a cross-sectional view of an embodiment in which the chamfered surface of the protrusion formed at the tip of the male thread of the present invention is in close contact with the step formed on the inner side of the female thread,
FIG. 6 is a view showing a state in which an O-ring is mounted on an inner groove of a flange surface of a male thread of a connector of the present invention. FIG.
7 is a perspective view of an embodiment of a state in which the airtightness is maintained in a tertiary state by being brought into close contact with the tip of the female thread in a state where the O-ring is placed on the inner groove formed on the flange surface of the male thread of the connector of the present invention
FIG. 8 shows an embodiment in which the male thread of the connector of the present invention is coupled to the female thread of an abutment for valves, branches, etc., and the air tightness is maintained by the first, second and third axes.
9 is a cross-sectional view
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 shows an embodiment in which an epoxy coated layer is formed on a male thread of a connecting part of the present invention and is coupled to a female thread of an overhead for valves, branches, etc., The
The epoxy used in the present invention is to be used in a two-pack form in the case of primary application to the
In addition, the coating operation varies depending on the diameter of the
In addition, in the cured state using the epoxy, the
2 shows a state in which the
Therefore, the O-
3 shows a state in which the
Therefore, it is possible to maintain confidentiality even by strong tightening.
The rear surface of the flange surface is provided with a
FIG. 4 shows another embodiment for preventing the airtightness due to the expansion of the O-ring shown in FIG. 3 when the O-ring is pressurized. As shown in FIG. 3, the
5 shows another means for securing the airtightness when the
At this time, the leading end of the projecting
6 and 7 show an
This is because a part of the O-
8 shows a state in which the
In addition, in the state of being coupled to the
10: connector 11: male threads
12: Furenji Cotton 13: Inland hometown
14: protruding part 15:
20: valve 21: female thread
22:
30: O ring
40: Piping connector
Claims (6)
An inner groove is formed on the inner side of the flange surface, and an O-ring is inserted into the inner groove,
The back surface of the flange surface is provided with a piping connection port 50. The piping connection port is provided with a tightening frame 51 at its front end and a packing 52 at its inner side so that the pipe connection is inserted into the inside of the tightening frame The piping connection can be made easily by pressing the tightening frame after it is done,
The epoxy coating layer is applied in a non-cured state, and when the application is first applied to the male threads 11 of the connection port 10 in a two-part form, the epoxy coating layers are used to be mixed with each other, : 50, so that the proper time and natural curing time for tightening with female threads are most appropriate,
The first end of the female thread is supported on the tip end of the female thread in a stepped manner at a height smaller than the diameter of the O-ring so that the O-ring located inside the flange surface of the male thread is supported by the first step So that the pressurization of the pressure-
And a second step formed with the side surface and the bottom surface is formed in the female thread to further enhance the airtightness of the male thread. And a piping connection part that is fixedly connected to the inlet side of the valve,
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150179365A KR101911543B1 (en) | 2015-12-15 | 2015-12-15 | Pipe connecting structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020150179365A KR101911543B1 (en) | 2015-12-15 | 2015-12-15 | Pipe connecting structure |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20170071252A KR20170071252A (en) | 2017-06-23 |
KR101911543B1 true KR101911543B1 (en) | 2018-12-28 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020150179365A KR101911543B1 (en) | 2015-12-15 | 2015-12-15 | Pipe connecting structure |
Country Status (1)
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KR (1) | KR101911543B1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102555237B1 (en) * | 2023-02-16 | 2023-07-12 | 한전케이피에스 주식회사 | battery voltage measuring device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120049462A1 (en) * | 2009-02-14 | 2012-03-01 | Malcolm Pitman | Connector seal |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4423805B4 (en) * | 1994-07-06 | 2004-12-02 | Voss Automotive Gmbh | Connecting device for pressure lines |
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2015
- 2015-12-15 KR KR1020150179365A patent/KR101911543B1/en active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120049462A1 (en) * | 2009-02-14 | 2012-03-01 | Malcolm Pitman | Connector seal |
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KR20170071252A (en) | 2017-06-23 |
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