Gas pipeline plugging device

Abstract

The utility model discloses a gas pipeline plugging device which comprises an upper fixing ring and a lower fixing ring arranged at the bottom end of the upper fixing ring, a crack plugging mechanism is arranged in the lower fixing ring and the upper fixing ring, an assembling butt joint mechanism is arranged between the lower fixing ring and the upper fixing ring, and the crack plugging mechanism comprises a plugging assembly, an assembling butt joint mechanism and an assembling butt joint mechanism. The fixing ring is arranged in the upper fixing ring and the lower fixing ring; the connection guide assembly is arranged in the plugging assembly; the adjusting assembly is arranged at the end parts of the upper fixing ring and the lower fixing ring and is connected with the plugging assembly; through the designed screw hole, the adjusting screw rod, the bearing and the operation button, the pressing block and the sealing gasket can be rapidly pushed to block the leakage position of the gas pipeline, meanwhile, the adjusted adjusting screw rod can be positioned in cooperation with the designed positioning hole and the positioning rod, loosening of the pressing block is avoided, and compared with the prior art, the sealing device has the advantages that the sealing effect is good, and the sealing effect is good. And the leakage part of the gas pipeline is greatly convenient to block.

Description

Technical Field

[0001] The utility model belongs to the technical field of gas pipelines, and in particular relates to a gas pipeline blocking device. Background Art

[0002] The gas pipe is a special pipe used to transport combustible gas. It is a metal gas pipe hose. In the urban gas distribution system, affected by various complex factors, whether it is installed underground or on the ground, there is a risk of leakage. When cracks appear on the surface of the gas pipe, it is necessary to use a plugging assembly to plug the leaking part of the gas pipe. The existing gas pipeline plugging devices are more troublesome to use. Most of them are plugged by inflating airbags. The operation process is cumbersome and time-consuming, and the plugging effect is poor. If the operation is wrong, it may lead to the possibility of secondary leakage, which poses certain safety hazards. For this reason, we propose a gas pipeline plugging device. Utility Model Content

[0003] The utility model aims to provide a gas pipeline plugging device to solve the problem that the gas pipeline plugging device proposed in the above background technology is complicated to operate and has poor plugging effect.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas pipeline sealing device, comprising an upper fixing ring and a lower fixing ring arranged at the bottom end of the upper fixing ring, crack sealing mechanisms are arranged inside the lower fixing ring and the upper fixing ring, an assembly docking mechanism is arranged between the lower fixing ring and the upper fixing ring, and the crack sealing mechanism comprises: a sealing assembly, arranged inside the upper fixing ring and the lower fixing ring; a connecting guide assembly, arranged inside the sealing assembly; an adjusting assembly, arranged at the ends of the upper fixing ring and the lower fixing ring and connected to the sealing assembly; a positioning assembly, arranged on the surfaces of the upper fixing ring and the lower fixing ring and connected to the adjusting assembly.

[0005] Preferably, the blocking assembly includes a built-in groove opened on the inner sides of the upper fixing ring and the lower fixing ring and a pressing block arranged inside the built-in groove, and a sealing gasket is fixed to one end of the pressing block.

[0006] Preferably, the connection guide assembly includes a connection groove symmetrically opened inside the built-in groove and a connection block symmetrically fixed at the other end of the pressing block, and the connection block is slidably connected to the connection groove.

[0007] Preferably, a guide groove and a guide block fixed to one side of the connecting groove are formed on one side of the connecting block, and the guide block is engaged with the guide groove.

[0008] Preferably, the adjustment assembly includes a screw hole that penetrates through the built-in groove and is opposite to the inner side of the connecting groove, and an adjustment screw that is screwed into the screw hole, a bearing is connected between one end of the adjustment screw and the clamping block, and an operating button is fixed to the other end of the adjustment screw.

[0009] Preferably, the positioning assembly includes a positioning hole penetrating through the inner wall of the screw hole and a positioning rod arranged on the surfaces of the upper fixing ring and the lower fixing ring. The positioning rod is screwed through the interior of the positioning hole and pressed against the surface of the adjusting screw.

[0010] Preferably, the assembly docking mechanism comprises a docking groove symmetrically provided at the end of the lower fixing ring and a docking block symmetrically fixed at the end of the upper fixing ring, and the docking block is snap-connected with the docking groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can quickly push the clamping block and the sealing gasket to seal the gas pipeline leakage through the designed screw hole, adjusting screw, bearing and operating button. At the same time, with the designed positioning hole and positioning rod, the adjusted adjusting screw can also be positioned to avoid loosening of the clamping block. Compared with the existing technology, the sealing work of the gas pipeline leakage is greatly facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the appearance structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 A magnified schematic diagram of point A;

[0015] Figure 3 It is a schematic diagram of the screw hole structure of the utility model;

[0016] Figure 4 For the utility model Figure 1 An enlarged schematic diagram of point B;

[0017] In the figure: 1, upper fixing ring; 2, lower fixing ring; 100, built-in groove; 101, clamping block; 102, sealing gasket; 200, connecting groove; 201, connecting block; 300, guide groove; 301, guide block; 400, screw hole; 401, adjusting screw; 402, bearing; 403, operating button; 500, positioning hole; 501, positioning rod; 600, docking groove; 601, docking block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figures 1 to 4 The utility model provides a technical solution: a gas pipeline plugging device, comprising an upper fixing ring 1 and a lower fixing ring 2 arranged at the bottom end of the upper fixing ring 1, a crack plugging mechanism is arranged inside the lower fixing ring 2 and the upper fixing ring 1, and an assembly docking mechanism is arranged between the lower fixing ring 2 and the upper fixing ring 1, and the crack plugging mechanism comprises: a plugging component, which is arranged inside the upper fixing ring 1 and the lower fixing ring 2; a connecting guide component, which is arranged inside the plugging component; an adjusting component, which is arranged at the ends of the upper fixing ring 1 and the lower fixing ring 2 and connected to the plugging component; a positioning component, which is arranged on the surfaces of the upper fixing ring 1 and the lower fixing ring 2 and connected to the adjusting component.

[0020] In this embodiment, preferably, the sealing assembly includes a built-in groove 100 opened on the inner side of the upper fixing ring 1 and the lower fixing ring 2 and a clamping block 101 arranged inside the built-in groove 100, and a sealing gasket 102 is fixed at one end of the clamping block 101. When in use, the sealing gasket 102 at the end of the clamping block 101 is squeezed and fitted together with the crack on the surface of the gas pipeline, and the sealing gasket 102 plays a sealing role to facilitate sealing.

[0021] In this embodiment, preferably, the connecting guide assembly includes a connecting groove 200 symmetrically opened inside the built-in groove 100 and a connecting block 201 symmetrically fixed at the other end of the clamping block 101. The connecting block 201 is slidably connected to the connecting groove 200, so that the clamping block 101 is conveniently connected to the built-in groove 100.

[0022] In this embodiment, preferably, a guide groove 300 is opened on one side of the connecting block 201 and a guide block 301 is fixed on one side of the connecting groove 200. The guide block 301 is engaged with the guide groove 300, which can play a guiding role when the connecting block 201 moves.

[0023] In this embodiment, preferably, the adjusting component includes a screw hole 400 which is penetrated through the interior of the built-in groove 100 and relative to the inner side of the connecting groove 200, and an adjusting screw 401 which is screwed into the screw hole 400. A bearing 402 is connected between one end of the adjusting screw 401 and the clamping block 101, and an operating button 403 is fixed to the other end of the adjusting screw 401, so that the adjusting screw 401 can be easily turned to rotate and push the clamping block 101 to move and fit and seal the leaking part of the gas pipeline.

[0024] In this embodiment, preferably, the positioning assembly includes a positioning hole 500 that passes through the inner wall of the screw hole 400 and a positioning rod 501 that is arranged on the surface of the upper fixing ring 1 and the lower fixing ring 2. The positioning rod 501 is screwed through the interior of the positioning hole 500 and is pressed and fitted with the surface of the adjusting screw 401. The positioning rod 501 is screwed out from the interior of the positioning hole 500 and is pressed and fitted with the surface of the adjusting screw 401. The adjusting screw 401 can be positioned inside the screw hole 400 to prevent the clamping block 101 from loosening and causing leakage again.

[0025] In this embodiment, preferably, the assembly docking mechanism includes a docking groove 600 symmetrically opened at the end of the lower fixing ring 2 and a docking block 601 symmetrically fixed at the end of the upper fixing ring 1. The docking block 601 is engaged with the docking groove 600 to enable the upper fixing ring 1 and the lower fixing ring 2 to be accurately engaged.

[0026] Working principle and use process of the utility model: when the crack of the gas pipeline needs to be sealed, the upper fixing ring 1 and the lower fixing ring 2 are first sleeved on the leaking part of the gas pipeline, and the upper fixing ring 1 and the lower fixing ring 2 are accurately engaged by docking the docking block 601 with the docking groove 600, so that the mounting holes can be accurately aligned, so that the bolts can be penetrated and screwed together, so that the upper fixing ring 1 and the lower fixing ring 2 are sleeved on the crack of the gas pipeline, and then the positioning rod 501 is loosened, so that the end of the rod is separated from the surface of the adjusting screw 401 and screwed into the inside of the positioning hole 500, so that the positioning of the adjusting screw 401 can be released, and then the operating button 403 is turned to drive the adjusting screw 401 to move in the screw hole 400. By rotating the bearing 402, the clamping block 101 can be pushed to move inside the built-in groove 100, and the connecting block 201 can be driven to slide inside the connecting groove 200, and the guide groove 300 can be driven to move on the surface of the guide block 301 to guide, so that the sealing gasket 102 at the end of the clamping block 101 can be squeezed and fitted with the crack on the surface of the gas pipeline, and the sealing gasket 102 can play a sealing role to facilitate plugging, and finally the positioning rod 501 can be tightened to be screwed out inside the positioning hole 500 and squeezed and fitted with the surface of the adjusting screw 401, so that the adjusting screw 401 can be positioned inside the screw hole 400 to prevent the clamping block 101 from loosening and causing leakage again.

[0027] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas pipeline plugging device, comprising an upper fixing ring (1) and a lower fixing ring (2) arranged at the bottom end of the upper fixing ring (1), characterized in that: A crack plugging mechanism is provided inside the lower fixing ring (2) and the upper fixing ring (1), and an assembly docking mechanism is provided between the lower fixing ring (2) and the upper fixing ring (1). The crack plugging mechanism comprises: a plugging component provided inside the upper fixing ring (1) and the lower fixing ring (2); a connecting guide component provided inside the plugging component; an adjusting component provided at the ends of the upper fixing ring (1) and the lower fixing ring (2) and connected to the plugging component; and a positioning component provided on the surfaces of the upper fixing ring (1) and the lower fixing ring (2) and connected to the adjusting component. The plugging assembly comprises a built-in groove (100) provided inside the upper fixing ring (1) and the lower fixing ring (2), and a pressing block (101) arranged inside the built-in groove (100), wherein a sealing gasket (102) is fixed to one end of the pressing block (101); The connection guide assembly comprises a connection groove (200) symmetrically arranged inside the built-in groove (100) and a connection block (201) symmetrically fixed at the other end of the pressing block (101), wherein the connection block (201) is slidably connected to the connection groove (200); A guide groove (300) is provided on one side of the connecting block (201), and a guide block (301) is fixed to one side of the connecting groove (200), and the guide block (301) is engaged and connected with the guide groove (300); The adjustment component comprises a screw hole (400) which is opened through the interior of the built-in groove (100) and is opposite to the inner side of the connecting groove (200), and an adjustment screw (401) which is screwed into the interior of the screw hole (400), a bearing (402) being connected between one end of the adjustment screw (401) and the pressing block (101), and an operating button (403) being fixed to the other end of the adjustment screw (401); The positioning assembly comprises a positioning hole (500) penetrating the inner wall of the screw hole (400) and a positioning rod (501) arranged on the surface of the upper fixing ring (1) and the lower fixing ring (2); the positioning rod (501) is screwed through the interior of the positioning hole (500) and pressed against the surface of the adjusting screw (401); The assembly docking mechanism comprises a docking groove (600) symmetrically arranged at the end of the lower fixing ring (2) and a docking block (601) symmetrically fixed at the end of the upper fixing ring (1), wherein the docking block (601) is snap-fitted and connected to the docking groove (600).

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