Buried gas sleeve assembly

Abstract

The utility model discloses a concealed fuel gas sleeve assembly, which comprises a protective shell and a sleeve which is arranged in the protective shell and can be sleeved on a fuel gas pipe, the protective shell is formed by splicing a first barrel shell and a second barrel shell, and a first connecting structure for connecting the first barrel shell and the second barrel shell is arranged at the splicing position of the first barrel shell and the second barrel shell. A centering support enabling the casing pipe to be located in the middle of the protective shell is arranged between the casing pipe and the protective shell, when the gas pipe is damaged, the damaged section of the gas pipe can be cut off firstly, then the casing pipe is connected to a cut gas pipe network, and the casing pipe can be directly arranged at the damaged position of the gas pipe in a sleeving mode without cutting off the damaged section. And meanwhile, the protective shell is installed at the position of the sleeve to protect the sleeve, and the centering support enabling the sleeve to be located in the middle of the protective shell is arranged between the sleeve and the protective shell, so that the sleeve is arranged in the middle, the safety of the sleeve is improved, and follow-up maintenance work is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of gas pipelines, in particular to a concealed gas casing assembly. Background Art

[0002] At present, for the renovation or repair of old gas pipelines, the method generally adopted by the industry is to completely dismantle the entire aging or damaged gas pipe. During the disassembly process, the staff needs to be extra careful to ensure that no damage is caused to other parts of the pipeline or facilities. At the same time, the safety of the operation must be guaranteed to prevent dangerous situations such as gas leaks. After the disassembly is completed, the next work is to install a brand new gas pipe. Although this method is relatively cumbersome, its effect is significant. It can fundamentally solve the problems of old pipelines and ensure people's daily life needs. However, there is a problem with this approach. When only a small section of the gas pipeline is damaged, if the entire pipeline is still replaced, it will undoubtedly cause a huge waste of resources.

[0003] Therefore, how to carry out old renovation and repair work more reasonably and efficiently while ensuring the safe operation of gas pipelines and reduce resource waste and cost expenditure has become an urgent problem to be solved by technical personnel in this field.

[0004] The utility model is made based on the above situation. Utility Model Content

[0005] The utility model overcomes the shortcomings of the prior art and provides a concealed gas casing assembly which can reduce the cost of repairing and rectifying the gas pipeline.

[0006] The utility model is realized through the following technical solutions:

[0007] A concealed gas casing assembly comprises a protective shell and a casing arranged in the protective shell and capable of being sleeved on a gas pipe. The protective shell is formed by splicing a first cylinder shell and a second cylinder shell. A first connecting structure for connecting the first cylinder shell and the second cylinder shell is provided at the splicing point of the first cylinder shell and the second cylinder shell. A centering bracket for positioning the casing in the middle of the protective shell is provided between the casing and the protective shell.

[0008] As described above, in the concealed gas casing assembly, the centering bracket is formed by splicing a first limiting plate and a second limiting plate, the outer wall of the first limiting plate abuts against the inner wall of the first cylinder shell, the outer wall of the second limiting plate abuts against the inner wall of the second cylinder shell, and a second connecting structure is provided at the joint of the first limiting plate and the second limiting plate to connect the two together, a first positioning groove is provided on the inner side of the first limiting plate, and a second positioning groove is provided on the inner side of the second limiting plate, and the first positioning groove and the second positioning groove constitute a centering hole for the casing to pass through.

[0009] As described above, the first limiting plate is connected to a first support plate with a larger contact area with the inner wall of the first cylinder shell, and the second limiting plate is connected to a second support plate with a larger contact area with the inner wall of the second cylinder shell.

[0010] As described above, the concealed gas casing assembly, the first limiting plate is provided with a first slot for inserting the first supporting plate, the first supporting plate is provided with a second slot for inserting the first limiting plate at a position corresponding to the first slot, the second limiting plate is provided with a third slot for inserting the second supporting plate, and the second supporting plate is provided with a fourth slot for inserting the second limiting plate at a position corresponding to the third slot.

[0011] As described above, the concealed gas casing assembly, the second connection structure includes a first protrusion arranged at the joint of the first limit plate and a second protrusion arranged at the joint of the second limit plate, the first protrusion is provided with a first mounting hole, and the second protrusion is provided with a second mounting hole at a position corresponding to the first mounting hole.

[0012] As described above, the first connecting structure of the concealed gas casing assembly includes a first connecting plate provided at the joint of the first cylinder shell and a second connecting plate provided at the joint of the second cylinder shell, a third mounting hole is provided on the first connecting plate, and a fourth mounting hole is provided on the second connecting plate at a position corresponding to the third mounting hole.

[0013] In the concealed gas casing assembly as described above, a sealing strip is provided between the first connecting plate and the second connecting plate.

[0014] As for the concealed gas casing assembly as described above, the first connecting plate is provided with a first groove for placing the sealing strip, and the second connecting plate is provided with a second groove for placing the sealing strip at a position corresponding to the first groove.

[0015] As described above, in the concealed gas casing assembly, the sealing strip includes a first sealing strip arranged in the first groove and a second sealing strip arranged in the second groove, the thickness of the first sealing strip is greater than the groove depth of the first groove, and the thickness of the second sealing strip is greater than the groove depth of the second groove.

[0016] In the concealed gas casing assembly as described above, the first sealing strip is adhered to the inner wall of the first groove by means of adhesive tape, and the second sealing strip is adhered to the inner wall of the second groove by means of adhesive tape.

[0017] Compared with the prior art, the utility model has the following advantages:

[0018] 1. When the gas pipe is found to be damaged, the damaged section of the gas pipe can be cut off first, and then the casing can be connected to the cut gas pipe network, or the damaged section can be directly sleeved on the damaged position of the gas pipe without cutting off the damaged section, so as to complete the repair of the gas pipeline, thereby reducing the cost of maintenance. At the same time, a protective shell is installed on the casing to protect it. A centering bracket is provided between the casing and the protective shell to make the casing in the middle of the protective shell, so that the casing is set in the center. The central installation of the casing can improve the safety of the casing, protect the pipeline, and facilitate subsequent maintenance and repair work. This can ensure the normal operation and safe use of the gas system.

[0019] 2. The first limiting plate is connected to a first support plate for increasing the contact area with the inner wall of the first cylinder shell, and the second limiting plate is connected to a second support plate for increasing the contact area with the inner wall of the second cylinder shell, so that the stress is more dispersed, and the centering bracket can be more stable, thereby improving the service life of the casing.

[0020] 3. A sealing strip is provided between the first connecting plate and the second connecting plate, and the protective shell can be sealed by the sealing strip.

[0021] 4. The first sealing strip is adhered to the inner wall of the first groove by adhesive, and the second sealing strip is adhered to the inner wall of the second groove by adhesive, so that the protective shell is more convenient to install. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings, wherein:

[0023] Figure 1 It is a cross-sectional view of the utility model;

[0024] Figure 2 It is a side view of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the utility model;

[0026] Figure 4 It is an exploded view of the utility model;

[0027] Figure 5 It is an exploded view of the centering bracket in the utility model;

[0028] Figure 6 It is a side view of the protective shell of the utility model when it is rectangular. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings:

[0030] like Figures 1 to 6A concealed gas casing assembly shown in the figure comprises a protective shell 1 and a casing 2 which is arranged in the protective shell 1 and can be sleeved on the gas pipe. The protective shell 1 is formed by splicing a first cylinder shell 11 and a second cylinder shell 12. A first connecting structure for connecting the first cylinder shell 11 and the second cylinder shell 12 is provided at the splicing point of the two cylinder shells. A centering bracket is provided between the casing 2 and the protective shell 1 to locate the casing 2 in the middle of the protective shell 1.

[0031] When the gas pipe is found to be damaged, the damaged section of the gas pipe can be cut off first, and then the sleeve 2 can be connected to the cut gas pipe network, or the damaged section can be directly sleeved on the damaged position of the gas pipe without cutting off, so as to complete the repair work of the gas pipeline, thereby reducing the cost of maintenance. At the same time, a protective shell 1 is installed at the sleeve 2 to protect it. A centering bracket is provided between the sleeve 2 and the protective shell 1 to make the sleeve 2 in the middle of the protective shell 1, so that the sleeve 2 is centrally arranged. The central installation of the sleeve 2 can improve the safety of the sleeve 2, protect the pipeline, and facilitate subsequent maintenance and repair work. In this way, the normal operation and safe use of the gas system can be guaranteed.

[0032] In one embodiment, the first connection structure includes a first connection plate 111 provided at the joint of the first cylindrical shell 11 and a second connection plate 121 provided at the joint of the second cylindrical shell 12, the first connection plate 111 is provided with a third mounting hole 112, and the second connection plate 121 is provided with a fourth mounting hole 122 at a position corresponding to the third mounting hole 112. The first cylindrical shell 11 and the first connection plate 111 are integrally formed, and the second cylindrical shell 12 and the second connection plate 121 are integrally formed. The connection and fixation can be carried out by cooperating with the third mounting hole 112 and the fourth mounting hole 122 through a threaded fastener. Both the first cylindrical shell 11 and the second cylindrical shell 12 can be made of glass fiber reinforced plastic or PVC material.

[0033] In one embodiment, the centering bracket is formed by splicing a first limiting plate 31 and a second limiting plate 32, the outer wall of the first limiting plate 31 abuts against the inner wall of the first cylindrical shell 11, the outer wall of the second limiting plate 32 abuts against the inner wall of the second cylindrical shell 12, and a second connecting structure is provided at the splicing of the first limiting plate 31 and the second limiting plate 32 to connect the two together, a first positioning groove 311 is provided on the inner side of the first limiting plate 31, and a second positioning groove 321 is provided on the inner side of the second limiting plate 32, and the first positioning groove 311 and the second positioning groove 321 form a centering hole for the sleeve 2 to pass through. When the sleeve 2 passes through the centering hole, the outer wall of the sleeve 2 abuts against the groove walls of the first positioning groove 311 and the second positioning groove 321.

[0034] The first limiting plate 31 is connected to a first supporting plate 33 for increasing the contact area with the inner wall of the first cylindrical shell 11, and the second limiting plate 32 is connected to a second supporting plate 34 for increasing the contact area with the inner wall of the second cylindrical shell 12, so that the stress is more dispersed, and the centering bracket can be more stable, thereby improving the service life of the sleeve.

[0035] In one embodiment, the first support plate 33 and the second limiting plate 32 are both rectangular plates, and the first limiting plate 31 is provided with a first slot 312 for the first support plate 33 to be inserted into, and the position of the first support plate 33 corresponding to the first slot 312 is provided with a second slot 331 for the first limiting plate 31 to be inserted into, the second limiting plate 32 is provided with a third slot 322 for the second support plate 34 to be inserted into, and the position of the second support plate 34 corresponding to the third slot 322 is provided with a fourth slot 341 for the second limiting plate 32 to be inserted into.

[0036] The width of the first support plate 33 is the same as the width of the connection of the first limiting plate 31, and the groove depth of the first slot 312 is the same as the second slot 331, so that the upper surface of the first support plate 33 and the upper surface of the first limiting plate 31 can abut against the inner wall of the first cylinder shell 11 at the same time, and the lower surface of the first support plate 33 and the lower surface of the first limiting plate 31 can abut against the outer wall of the sleeve 2 at the same time, so that the structure is more stable. The first support plate 33 and the first limiting plate 31 are installed perpendicular to each other, forming a "cross" shape.

[0037] The width of the second support plate 34 is the same as the width of the second limiting plate 32 at the connection, and the third slot 322 and the fourth slot 341 have the same depth, so that the upper surface of the second support plate 34 and the upper surface of the second limiting plate 32 can abut against the inner wall of the first cylinder shell 11 at the same time, and the lower surface of the second support plate 34 and the lower surface of the second limiting plate 32 can abut against the outer wall of the sleeve 2 at the same time, so that the structure is more stable. The second support plate 34 and the second limiting plate 32 are installed perpendicular to each other, forming a "cross" shape.

[0038] The second connection structure includes a first protrusion 313 provided at the joint of the first limiting plate 31 and a second protrusion 323 provided at the joint of the second limiting plate 32, wherein the first protrusion 313 is provided with a first mounting hole 314, and the second protrusion 323 is provided with a second mounting hole 324 at a position corresponding to the first mounting hole 314. The first limiting plate 31 and the first protrusion 313 are integrally formed, and the second limiting plate 32 and the second protrusion 323 are integrally formed, and can be connected and fixed by means of threaded fasteners cooperating with the first mounting hole 314 and the second mounting hole 324.

[0039] In one embodiment, a sealing strip is provided between the first connecting plate 111 and the second connecting plate 121 , and the protective shell 1 can be sealed by the sealing strip.

[0040] In one embodiment, the first connecting plate 111 is provided with a first groove 113 for placing the sealing strip, and the second connecting plate 121 is provided with a second groove 123 for placing the sealing strip at a position corresponding to the first groove 113. Of course, the sealing strip placement groove may also be provided only on the first connecting plate 111 or the second connecting plate 121.

[0041] In one embodiment, only one sealing strip may be placed for sealing, or two sealing strips may be provided, including a first sealing strip 41 disposed in the first groove 113 and a second sealing strip 42 disposed in the second groove 123, wherein the thickness of the first sealing strip 41 is greater than the groove depth of the first groove 113, and the thickness of the second sealing strip 42 is greater than the groove depth of the second groove 123. The first sealing strip 41 is adhered to the inner wall of the first groove 113 by adhesive, and the second sealing strip 42 is adhered to the inner wall of the second groove 123 by adhesive, so that the protective shell 1 is more convenient to install.

[0042] In one embodiment, the protective shell 1 is cylindrical, the first cylindrical shell 11 and the second cylindrical shell 12 are both arc-shaped plates, and the first limiting plate 31 and the second limiting plate 32 are also arc-shaped plates. In one embodiment, the protective shell 1 is square columnar, and the first limiting plate 31 and the second limiting plate 32 are also rectangular with a notch on one side.

Claims

1. A concealed gas casing assembly, characterized in that: The invention comprises a protective shell (1) and a sleeve (2) arranged in the protective shell (1) and capable of being sleeved on a gas pipe, wherein the protective shell (1) is formed by splicing a first cylindrical shell (11) and a second cylindrical shell (12), a first connecting structure for connecting the first cylindrical shell (11) and the second cylindrical shell (12) is provided at the splicing point of the two, and a centering bracket for positioning the sleeve (2) in the middle of the protective shell (1) is provided between the sleeve (2) and the protective shell (1).

2. The concealed gas casing assembly according to claim 1, characterized in that: The centering bracket is formed by splicing a first limiting plate (31) and a second limiting plate (32); the outer wall of the first limiting plate (31) abuts against the inner wall of the first cylindrical shell (11); the outer wall of the second limiting plate (32) abuts against the inner wall of the second cylindrical shell (12); a second connecting structure for connecting the first limiting plate (31) and the second limiting plate (32) is provided at the splicing point thereof; a first positioning groove (311) is provided on the inner side of the first limiting plate (31); a second positioning groove (321) is provided on the inner side of the second limiting plate (32); the first positioning groove (311) and the second positioning groove (321) form a centering hole for the sleeve (2) to pass through.

3. The concealed gas casing assembly according to claim 2, characterized in that: The first limiting plate (31) is connected to a first supporting plate (33) for increasing the contact area with the inner wall of the first cylindrical shell (11), and the second limiting plate (32) is connected to a second supporting plate (34) for increasing the contact area with the inner wall of the second cylindrical shell (12).

4. The concealed gas casing assembly according to claim 3, characterized in that: The first limiting plate (31) is provided with a first slot (312) for the first supporting plate (33) to be inserted into, a second slot (331) for the first limiting plate (31) to be inserted into is provided at a position on the first supporting plate (33) corresponding to the first slot (312), a third slot (322) for the second supporting plate (34) to be inserted into is provided on the second limiting plate (32), and a fourth slot (341) for the second limiting plate (32) to be inserted into is provided at a position on the second supporting plate (34) corresponding to the third slot (322).

5. The concealed gas casing assembly according to claim 4, characterized in that: The second connection structure comprises a first protrusion (313) provided at a joint of the first limiting plate (31) and a second protrusion (323) provided at a joint of the second limiting plate (32), wherein the first protrusion (313) is provided with a first mounting hole (314), and the second protrusion (323) is provided with a second mounting hole (324) at a position corresponding to the first mounting hole (314).

6. The concealed gas casing assembly according to any one of claims 1 to 5, characterized in that: The first connection structure comprises a first connection plate (111) provided at a joint of the first cylindrical shell (11) and a second connection plate (121) provided at a joint of the second cylindrical shell (12); a third mounting hole (112) is provided on the first connection plate (111), and a fourth mounting hole (122) is provided on the second connection plate (121) at a position corresponding to the third mounting hole (112).

7. The concealed gas casing assembly according to claim 6, characterized in that: A sealing strip is provided between the first connecting plate (111) and the second connecting plate (121).

8. The concealed gas casing assembly according to claim 7, characterized in that: The first connecting plate (111) is provided with a first groove (113) for placing the sealing strip, and the second connecting plate (121) is provided with a second groove (123) for placing the sealing strip at a position corresponding to the first groove (113).

9. The concealed gas casing assembly according to claim 8, characterized in that: The sealing strip comprises a first sealing strip (41) arranged in the first groove (113) and a second sealing strip (42) arranged in the second groove (123); the thickness of the first sealing strip (41) is greater than the groove depth of the first groove (113), and the thickness of the second sealing strip (42) is greater than the groove depth of the second groove (123).

10. The concealed gas casing assembly according to claim 9, characterized in that: The first sealing strip (41) is adhered to the inner wall of the first groove (113) by means of a self-adhesive adhesive, and the second sealing strip (42) is adhered to the inner wall of the second groove (123) by means of a self-adhesive adhesive.

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