CN211118260U - Heat supply pipe network leaks and salvagees leaking stoppage sleeve structure - Google Patents

Abstract

The utility model provides a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure for the salvagees leaking stoppage of heat supply pipe, sleeve structure include the drain valve and enclose the sleeve casing that closes the formation by the sleeve halfbody of two symmetry settings. The sleeve shell comprises an outer shell part, an inner shell part and a middle shell part, wherein the outer shell part is cylindrical, two ends of the outer shell part extend along the central axis of the outer shell part and gather together towards the central axis to form the middle shell part, a drain hole is formed in the wall of the middle shell part, the outer side of the inner shell part is connected with the middle shell part, the middle part of the inner shell part is sunken towards the inner direction of the outer shell part, and a welding port matched with a heat supply pipe is formed at a position crossing the drain hole; the drain valve has an open state and a closed state. The sleeve structure is convenient for welding and leaking stoppage of the vertical heat supply pipe, and the efficiency of rush repair and leaking stoppage and the leaking stoppage effect are improved.

Description

Heat supply pipe network leaks and salvagees leaking stoppage sleeve structure

Technical Field

The utility model relates to a heat supply pipe network salvagees equipment technical field, concretely relates to heat supply pipe network leaks salvagees leaking stoppage sleeve structure.

Background

In a heat supply pipe network, metal pipelines are used for a long time and are corroded by circulating water, and gaps often appear on the pipelines to cause leakage. If the hot water circulation is closed for maintenance, on one hand, the heating is stopped, and the normal life of a user is influenced; on the other hand, construction is usually carried out after all hot water in the pipe network is pumped out, and a large amount of water resources are wasted.

Particularly, for a gap with a certain length, the leakage is affected by leaked water flow, and the direct welding and leakage stoppage at the gap are difficult. As shown in FIG. 6, for the horizontal heating pipe 10, the sleeve can be used to cover the outside of the pipe at the gap, and indirect leakage blocking can be realized by welding the sleeve and the pipe, and leaked water is discharged through the valve at the lower side of the sleeve without affecting the welding of the welding seam 5'. However, when the sleeve is applied to a vertical pipeline, welding is difficult or even impossible due to the fact that the leaked water submerges the lower weld bead 5'.

Therefore, it is necessary to design a heat supply pipe network leakage rush-repair plugging sleeve structure which can be applied to the vertical pipeline rush-repair plugging.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to prior art's not enough, provide a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure, its salvagees leaking stoppage that can be applied to vertical pipeline.

The utility model provides a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure for the leaking stoppage is salvageed to heat supply pipe, sleeve structure includes: the heat supply device comprises a sleeve shell formed by enclosing two symmetrically arranged sleeve half bodies, wherein the sleeve shell comprises an outer shell part, an inner shell part and a middle shell part, the outer shell part is cylindrical, two ends of the outer shell part extend along the central axis of the outer shell part and gather together towards the direction of the central axis to form the middle shell part, a drain hole is formed in the wall of the middle shell part, the outer side of the inner shell part is connected with the middle shell part, the middle part of the inner shell part is sunken towards the inner direction of the outer shell part, and a welding opening matched with a heat supply pipe is formed at a position crossing the drain hole; and a drain valve connected to the drain hole, the drain valve having an open state and a closed state.

Furthermore, a plurality of drain holes uniformly distributed around the central axis of the sleeve shell are formed in the middle shell parts at two ends of the sleeve shell.

Furthermore, the drain holes are provided with internal threads, the drain valve is in threaded and sealed connection with one of the drain holes, and the rest drain holes are in threaded and sealed connection with the sealing plug.

Further, the drain valve includes: the valve shell is in threaded and sealed connection with the drain hole, a drain channel connected with the drain hole is arranged in the valve shell, and a first sealing conical surface is arranged in the drain channel; the valve body is positioned on one side of the valve shell, which is close to the interior of the sleeve shell, and is in slidable connection with the valve shell, and a second sealing conical surface matched with the first sealing conical surface is arranged on the valve body; and an operating shaft screwed to the valve housing, one end of the operating shaft being rotatably connected to the valve body, the other end extending in an outer direction of the valve housing, and a clamping portion being formed outside the valve housing.

Further, the valve body includes the sealing valve block and with the guide bar that the sealing valve block can dismantle the connection, be equipped with first leading truck on the valve casing, the guide bar with but first guiding hole sliding connection on the first leading truck, first leading truck with still be equipped with the spring between the sealing valve block, the spring is located the dorsad of sealing valve block the sealed conical surface side of second.

Furthermore, an arc-shaped sunken part is arranged on the sealing valve plate, and a spherical protruding part matched with the arc-shaped sunken part is arranged on the operating shaft.

Further, the operating shaft further comprises a second external thread portion and a guide portion, the spherical protrusion portion, the second external thread portion, the guide portion and the clamping portion are sequentially arranged, and a second guide frame in threaded connection with the second external thread portion and a third guide hole in sealed connection with the guide portion are arranged on the valve housing.

Furthermore, a plurality of overflowing holes are formed in the second guide frame.

Furthermore, a plurality of annular sealing grooves are formed in the second sealing conical surface, and sealing rings are arranged in the sealing grooves.

Further, still include the drain pipe, the drain pipe with the outlet intercommunication of drain valve.

The utility model discloses a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure has following effect or advantage at least: the sleeve structure enables leaked water not to submerge a welding seam on the lower side through the position of the welding port higher than the drain hole, so that welding leakage stoppage is conveniently carried out on the vertical heat supply pipe, and the efficiency of rush repair leakage stoppage and the leakage stoppage effect are improved.

Furthermore, the utility model discloses a sleeve structure also can be used for salvageing the leaking stoppage of horizontal pipeline, has the application scope of broad.

Drawings

Fig. 1 is the utility model relates to a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure's of embodiment schematic diagram, wherein, vertical pipeline is applied to this structure.

Fig. 2 is the structural schematic diagram of the outer shell portion in the heat supply pipe network leakage rush-repair leaking stoppage sleeve structure according to an embodiment of the present invention.

Fig. 3 is a partially enlarged view a of fig. 1, in which the drain valve is in a closed state.

Fig. 4 is a schematic view of the drain valve of fig. 3 in an open state.

Fig. 5 is the utility model relates to a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure and is applied to the schematic diagram of horizontal pipeline leaking stoppage of embodiment.

Fig. 6 is a schematic view of a prior art sleeve applied to a horizontal pipeline.

Fig. 7 is a schematic view of the sleeve of fig. 6 applied to a vertical pipeline.

Description of the reference numerals

1-sleeve shell, 1a, 1 b-sleeve half, 101-outer shell, 102-inner shell, 103-middle shell, 104-drain hole, 105-weld, 106-end face; 2-drain valve, 210-valve housing, 211-first sealing cone, 212-first guide frame, 213-first guide hole, 214-second guide frame, 215-threaded hole, 216-third guide hole, 217-drain hole, 218-first external threaded portion, 219-overflowing hole; 220-valve body, 221-sealing valve plate, 222-second sealing conical surface, 223-guide rod, 224-arc concave part and 225-sealing groove; 230-operating shaft, 231-spherical protrusion, 232-second external thread, 233-guide, 234-clamping; 240-spring; 3-sealing and blocking; 4-a drain pipe; 5-welding a seam; 10-heating pipe, 11-leakage point.

1 '-sleeve, 5' -weld.

Detailed Description

Other objects and advantages of the present invention will become apparent from the following explanation of the preferred embodiments of the present application.

Fig. 1 schematically shows the utility model relates to a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure of embodiment, wherein, this structure is applied to vertical pipeline. Fig. 2 schematically shows the structure of the outer shell portion 101 in the heat supply pipe network leakage emergency repair leaking stoppage sleeve structure according to an embodiment of the present invention.

Referring to fig. 1 and 2, a heat supply pipe network leakage rush repair leaking stoppage sleeve structure (hereinafter referred to as sleeve structure) is used for rush repair leaking stoppage of a heat supply pipe 10. The sleeve structure comprises a sleeve shell 1 formed by enclosing two symmetrically arranged sleeve half bodies 1a and 1b and a drain valve 2. The sleeve structure enables the position of the welding port 105 to be higher than the position of the drain hole 104, so that leaked water cannot submerge the welding seam 5 on the lower side, welding leakage stoppage is convenient for the vertical heat supply pipe 10, and the efficiency and leakage stoppage effect of repairing and stopping leakage of the vertical pipeline are improved.

The cartridge housing 1 includes an outer housing portion 101, an inner housing portion 102, and a middle housing portion 103. The outer case 101 is cylindrical, and both ends of the outer case 101 are open. The outer case 101 may have a cylindrical shape with a circular cross section or a cylindrical shape with a rectangular cross section, or the outer case 101 may have a drum shape with a middle portion protruding outward. The outer case 101 may be formed in another irregular cylindrical structure as necessary.

The middle case 103 is formed by extending both ends of the outer case 101 along the center axis of the outer case 101 and converging the ends in the center axis direction. The wall of the middle housing part 103 is provided with a drain hole 104. The drain hole 104 may be formed as a flange welded to the wall of the middle housing 103; alternatively, the drain hole 104 may be formed as a ring welded to the wall of the middle housing 103 and having an internal thread.

The outer side of the inner housing part 102 is connected with the middle housing part 103, the middle part of the inner housing part 102 is sunken towards the inner direction of the outer housing part 101, and a welding port 105 matched with the heating pipe 10 is formed at a position crossing the drain hole 104, so that the position of the lower side welding port 105 is higher than the uppermost position of the drain hole 104, the welding port 105 is prevented from being submerged by leaked water, and a welding seam 5 is welded at the joint of the welding port 105 and the heating pipe 10 conveniently.

In some embodiments, the middle housing portions 103 at two ends of the sleeve housing 1 are respectively provided with a plurality of drainage holes 104 uniformly distributed around the central axis of the sleeve housing 1, and the drainage holes 104 at appropriate positions can be selected as required for drainage, so that construction is facilitated.

In some embodiments, the drainage holes 104 are provided with internal threads, the drainage valve 2 is screwed and hermetically connected with one of the drainage holes 104, and the other drainage holes 104 are screwed and hermetically connected with the sealing plug 3. The sealing plug 3 can be provided with a sealing groove, and a sealing ring is placed in the sealing groove to be in sealing connection with the drain hole 104; the drain valve 2 may be hermetically connected to the drain hole 104 by a similar structure. The drain valve 2 can be installed on the drain hole 104 at a proper position, and the unused drain hole 104 is sealed by the sealing plug 3; the drain valves 2 may be provided in the plurality of drain holes 104 of the sleeve structure, and the drain speed may be increased by increasing the diameter of the drain passage, thereby preventing excessive water from accumulating inside the sleeve structure during welding work from affecting the welding work.

The water discharge valve 2 has an open state and a closed state. Fig. 3 is a partially enlarged view a in fig. 1, in which the drain valve 2 is in a closed state. Fig. 4 is a schematic view of the drain valve 2 of fig. 3 in an open state.

Referring to fig. 3 and 4, the discharge valve 2 includes a valve housing 210, a valve body 220 and an operating shaft 230, the valve body 220 being located inside the valve housing 210 for blocking a discharge passage inside the valve housing 210; the operation shaft 230 is used to control the switching of the discharge valve 2 between the open state and the closed state.

The valve housing 210 is screwed and hermetically connected to the drain hole 104, an internal thread is provided in the drain hole 104, and a first external thread portion 218 screwed to the internal thread is provided on the valve housing 210. A seal groove may be provided in the end surface portion 106 outside the drain hole 104, and a seal ring may be provided in the seal groove to seal the valve housing 210 and the drain hole 104. The valve housing 210 has a drainage channel connected to the drainage hole 104, and the drainage channel has a first sealing conical surface 211, and a large end of the first sealing conical surface 211 faces the inner cavity of the sleeve structure.

The valve body 220 is located on the side of the valve housing 210 near the interior of the cartridge housing 1. The valve body 220 is slidably connected to the valve housing 210, and the valve body 220 is provided with a second sealing tapered surface 222 matching the first sealing tapered surface 211. The discharge valve 2 can be switched between a closed state in which the first sealing tapered surface 211 is in contact with the second sealing tapered surface 222, and an open state in which the first sealing tapered surface 211 is out of contact with the second sealing tapered surface 222. Preferably, the second sealing conical surface 222 is provided with a plurality of annular sealing grooves 225, sealing rings are disposed in the sealing grooves 225, and the plurality of sealing grooves 225 improve the sealing reliability between the valve body 220 and the valve housing 210.

The operating shaft 230 is screwed to the valve housing 210, one end of the operating shaft 230 is rotatably connected to the valve body 220, and the other end extends in the outer direction of the valve housing 210 to form a clamp 234 on the outer side of the valve housing 210. When the drain valve 2 needs to be opened, the operating shaft 230 is rotated, the front end of the operating shaft 230 pushes the valve body 220, and the second sealing conical surface 222 of the valve body 220 is separated from the first sealing conical surface 211 on the valve housing 210; when the drainage valve 2 needs to be closed, the operating shaft 230 is rotated reversely, the front end of the operating shaft 230 moves backwards, and the leaked water pressure acts on the valve body 220, so that the second sealing conical surface 222 of the valve body 220 is in contact with the first sealing conical surface 211 on the valve housing 210 to form sealing connection, and the leakage stopping effect is achieved.

In some embodiments, valve body 220 includes a seal flap 221 and a guide rod 223 removably coupled to seal flap 221. Preferably, the guide rod 223 is threadedly coupled to the sealing valve plate 221 to facilitate disassembly and assembly of the valve body 220 to the interior of the valve housing 210, followed by screwing the two together. The valve housing 210 is provided with a first guide frame 212, and the guide rod 223 is slidably coupled to the first guide hole 213 of the first guide frame 212. The first guide hole 213 guides the valve body 220, so that the valve body 220 and the valve housing 210 are connected in a sealing manner. A spring 240 is further disposed between the first guide frame 212 and the sealing valve plate 221, the spring 240 is located on a side of the sealing valve plate 221 facing away from the second sealing conical surface 222, and the spring 240 is used for providing an elastic force for sealing the valve body 220 and the valve housing 210, so that the valve body 220 and the valve housing 210 can be pushed to be connected in a sealing manner under a small water pressure.

In some embodiments, the sealing valve plate 221 is provided with an arc-shaped recess 224, and the operating shaft 230 is provided with a spherical protrusion 231 matching with the arc-shaped recess 224. The engagement of the spherical protrusion 231 with the arc-shaped recess 224 first facilitates the rotation between the operation shaft 230 and the arc-shaped recess 224; secondly, the connecting structure can automatically center, so that the operating shaft 230 can also play a certain guiding role on the valve body 220; again, the connection structure can be separated to avoid the threaded connection between the operating shaft 230 and the valve housing 210 from interfering with the formation of a sealed connection between the valve body 220 and the valve housing 210.

The operating shaft 230 further includes a second external thread portion 232 and a guide portion 233, and the spherical protrusion 231, the second external thread portion 232, the guide portion 233, and the grip portion 234 are sequentially provided. The valve housing 210 is provided with a second guide frame 214 threadedly coupled to the second external thread portion 232, and a third guide hole 216 sealingly coupled to the guide portion 233. The second guide frame 214 is provided with a plurality of overflowing holes 219, and a threaded hole 215 is formed in the center of the second guide frame 214, and the threaded hole 215 is in threaded connection with the second threaded portion 232 and supports the screwing-in and screwing-out of the operating shaft 230.

Furthermore, a T-shaped groove (not shown) may be provided on the seal valve plate 221, and an end structure that fits into the T-shaped groove may be provided on the operating shaft 230, and the end structure may be snapped into the T-shaped groove. Thus, the sealing valve sheet 221 can be pulled by rotating the operating shaft 230, and the contact pressure between the first sealing tapered surface 211 and the second sealing tapered surface 222 can be increased, thereby improving the sealing effect.

In some embodiments, the water discharging pipe 4 is further included, and the water discharging pipe 4 is communicated with the water discharging port 217 of the water discharging valve 2, so that water in the sleeve structure can be conveniently discharged to a proper position, and the field construction is convenient.

The utility model relates to a sleeve structure's of embodiment theory of operation does: referring to fig. 1, the drain valve 2 is opened, the sleeve halves 1a, 1b are fastened to the leaking heating pipe 10, and the water leaking from the leak point 11 is discharged through the drain valve 2. The position of the welding port 105 is higher than that of the drain hole 104, so that the leaked water cannot submerge the welding seam 5 on the lower side, thereby facilitating the welding and leakage stoppage of the vertical heat supply pipe 10, and improving the efficiency of rush repair leakage stoppage and the leakage stoppage effect. And after welding seams among the sleeve half bodies 1a and the sleeve half bodies 1b and between the two sleeve half bodies 1a and 1b and the heat supply pipe are completely welded, closing the drain valve 2 to finish rush repair and leak stoppage.

In addition, referring to fig. 5, the sleeve structure provided by the present invention can also be used for the emergency repair and plugging of the heat supply pipe 10 horizontally disposed, the drain valve 2 is disposed at the drain hole 104 on the lower half sleeve body, and the rest drain holes 104 are plugged by the sealing plug 3. Therefore, the utility model discloses a sleeve structure both had been applicable to salvageing the leaking stoppage of horizontal pipeline, also was applicable to salvageing the leaking stoppage of vertical pipeline, had the application scope of broad.

The apparatus of the present application has been described in detail with reference to the preferred embodiments thereof, however, it should be noted that those skilled in the art can make modifications, alterations and adaptations based on the above disclosure without departing from the spirit of the present application. The present application includes the specific embodiments described above and any equivalents thereof.

Claims (10)

1. The utility model provides a heat supply pipe network leaks and salvagees leaking stoppage sleeve structure for salvageing leaking stoppage of heat supply pipe (10), its characterized in that, sleeve structure includes:

the heat supply device comprises a sleeve shell (1) formed by enclosing two symmetrically arranged sleeve half bodies, wherein the sleeve shell (1) comprises an outer shell part (101), an inner shell part (102) and a middle shell part (103), the outer shell part (101) is cylindrical, two ends of the outer shell part (101) extend along the central axis of the outer shell part (101) and gather together towards the direction of the central axis to form a middle shell part (103), a drain hole (104) is formed in the wall of the middle shell part (103), the outer side of the inner shell part (102) is connected with the middle shell part (103), the middle part of the inner shell part (102) is sunken towards the inner direction of the outer shell part (101), and a welding port (105) matched with the heat supply pipe (10) is formed at a position crossing the drain hole (104); and

a drain valve (2) connected to the drain hole (104), the drain valve (2) having an open state and a closed state.

2. The sleeve structure according to claim 1, characterized in that the middle housing part (103) at both ends of the sleeve housing (1) is provided with a plurality of water drainage holes (104) uniformly arranged around the central axis of the sleeve housing (1).

3. The sleeve structure of claim 2, wherein the drainage holes (104) are provided with internal threads, the drainage valve (2) is in threaded and sealed connection with one of the drainage holes (104), and the other drainage holes (104) are in threaded and sealed connection with the sealing plug (3).

4. A sleeve structure as claimed in claim 3, characterized in that said drain valve (2) comprises:

the valve shell (210) is in threaded and sealed connection with the drain hole (104), a drain channel connected with the drain hole (104) is arranged in the valve shell (210), and a first sealing conical surface (211) is arranged in the drain channel;

the valve body (220) is positioned on one side of the valve shell (210) close to the interior of the sleeve shell (1), the valve body (220) is connected with the valve shell (210) in a sliding mode, and a second sealing conical surface (222) matched with the first sealing conical surface (211) is arranged on the valve body (220); and

and an operating shaft (230) which is screwed to the valve housing (210), wherein one end of the operating shaft (230) is rotatably connected to the valve body (220), and the other end extends in the outer direction of the valve housing (210) to form a clamping portion (234) on the outer side of the valve housing (210).

5. The sleeve structure of claim 4, wherein the valve body (220) comprises a sealing valve plate (221) and a guide rod (223) detachably connected with the sealing valve plate (221), a first guide frame (212) is arranged on the valve housing (210), the guide rod (223) is slidably connected with a first guide hole (213) in the first guide frame (212), a spring (240) is further arranged between the first guide frame (212) and the sealing valve plate (221), and the spring (240) is located on the side, facing away from the second sealing conical surface (222), of the sealing valve plate (221).

6. The sleeve structure of claim 5, wherein an arc-shaped recess (224) is formed in the sealing valve plate (221), and a spherical protrusion (231) matched with the arc-shaped recess (224) is formed in the operating shaft (230).

7. The sleeve structure according to claim 6, wherein the operating shaft (230) further comprises a second external thread portion (232) and a guide portion (233), the spherical protrusion portion (231), the second external thread portion (232), the guide portion (233) and the clamping portion (234) are sequentially provided, and a second guide frame (214) threadedly coupled to the second external thread portion (232) and a third guide hole (216) sealingly coupled to the guide portion (233) are provided on the valve housing (210).

8. The jacket structure of claim 7 wherein the second guide frame (214) is provided with a plurality of flow holes (219).

9. The sleeve structure according to any one of claims 4 to 8, characterized in that the second sealing cone surface (222) is provided with a plurality of annular sealing grooves (225), and sealing rings are arranged in the sealing grooves (225).

10. The sleeve structure according to any one of claims 1 to 8, further comprising a drain pipe (4), the drain pipe (4) communicating with a drain opening (217) of the drain valve (2).

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