CN212840009U - Gas pipe gas replacement device - Google Patents

Abstract

The utility model discloses a gas pipe gas replacement device, which comprises a fixed hoop sleeve, an exhaust pipe and an air pump, wherein the fixed hoop sleeve is sleeved on a gas pipe, the fixed hoop sleeve is provided with an adhesive injection port which penetrates through the inner side wall of the fixed hoop sleeve, and a drilling pipeline is formed on the outer side wall of the fixed hoop sleeve; the utility model discloses a set up seal gasket between gas pipe and fixed hoop, and aim at the opening part between fixed hoop and the drilling pipeline respectively with seal gasket's injecting glue groove, injecting glue mouth and gas pipe treat drilling department, so before drilling, pour into the plastic into in order to fill the notes gluey groove into the injecting glue groove earlier, thereby cover the gap that forms between filling gas pipe and the fixed hoop, prevent in the air exhaust body process, gas, nitrogen gas etc. leak out the atmosphere from the gap between gas pipe and the fixed hoop, when improving the leakproofness, help gaseous recovery, overall structure is simple and practical.

Description

Gas pipe gas replacement device

Technical Field

The utility model belongs to the technical field of the gas technique and specifically relates to a gas pipe gas replacement device is related to.

Background

The gas pipe is a special pipeline of carrying combustible gas, it replaces traditional buckle mode rubber hose with metal gas pipe hose to be one kind, when the gas pipe appears damaging and needs to be changed, need discharge the intraductal gas of gas usually, just can dismantle the change, just need exhaust whole section gas pipe this moment, but when only changing a certain several gas pipes of whole section gas pipe, the exhaust operation of whole section gas pipe just can increase the complexity of operation, increase the change time.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model aims to provide a gas pipe gas replacement device that simple and practical, leakproofness are strong.

In order to achieve the above purpose, the utility model provides a scheme does: a gas pipe gas replacement device comprises a fixed hoop sleeve, an exhaust pipe and an air pump, wherein the fixed hoop sleeve is sleeved on a gas pipe, the fixed hoop sleeve is provided with a glue injection port penetrating through the inner side wall of the fixed hoop sleeve, and the outer side wall of the fixed hoop sleeve is provided with a drilling pipeline; the drilling pipeline is hollow, the hollow part of the drilling pipeline extends to the inner side wall of the fixed hoop sleeve, external threads are formed on the outer side wall of the drilling pipeline and are used for being in threaded connection with a sealing cover to plug an outlet of the drilling pipeline, internal threads are formed in the drilling pipeline and are used for being in threaded connection with a rotating shaft, a rotating groove extending along the length direction of the rotating shaft is formed in the top surface of the rotating shaft and is used for being inserted by a connecting rod, the connecting rod is upwards connected with a hand wheel, the hand wheel is screwed to sequentially drive the connecting rod and the rotating shaft to rotate, the hand wheel is located above the outlet of the drilling pipeline, and meanwhile, the bottom end of the rotating shaft is connected with an annular cutter which is used for drilling on a; a sealing gasket is arranged between the fixed hoop and the gas pipe, a glue injection groove penetrating through the whole sealing gasket is formed in the middle of the sealing gasket, the glue injection groove is respectively opposite to an opening between the fixed hoop and the drilling pipeline and a to-be-drilled position of the gas pipe, and the glue injection opening is opposite to the glue injection groove; the exhaust pipe is connected with the drilling pipeline, a connecting port between the exhaust pipe and the drilling pipeline is located below the internal thread, and meanwhile the exhaust pipe is provided with the air pump.

The utility model has the advantages that: the sealing performance of the device is improved, the utility model discloses a set up seal gasket between gas pipe and fixed hoop, and aim at opening part, injecting glue mouth and the gas pipe of between fixed hoop and the drilling pipeline respectively with the injecting glue groove of seal gasket and wait to drill the hole, so before drilling, pour into the plastic into the injecting glue groove earlier in order to fill the injecting glue groove, thereby cover the gap that forms between filling gas pipe and the fixed hoop, prevent in the air exhaust body process, in gas, nitrogen gas etc. leaked out the atmosphere from the gap between gas pipe and the fixed hoop, when improving the sealing performance, help the recovery of gas, overall structure is simple and practical; meanwhile, the sealing cover is arranged, so that the sealing performance of the whole device is further enhanced.

Furthermore, the fixed hoop comprises two assembling shells, wherein the two assembling shells are of semicircular annular structures and are used for clamping the gas pipe together, connecting plates are formed at two ends of each assembling shell, at least one threaded hole is formed in each connecting plate, and the threaded holes in the two assembling shells are connected through screws. The utility model adopts the above structure after, behind the common centre gripping gas pipe of two sets of dress casings, realize locking two sets of dress casing connection through setting up the connecting plate with the screw hole.

Further, the drill pipe is formed on the outer side wall of one of the assembly housings.

Furthermore, a sealing rubber ring is sleeved on the connecting rod and used for plugging the drilling pipeline. The utility model adopts the above structure after, through setting up sealed rubber ring to the shutoff drilling pipeline further strengthens the leakproofness.

Furthermore, a flange is formed on the outer side wall of the drilling pipeline, and after the sealing cover is connected with the external thread of the drilling pipeline, the bottom end of the sealing cover abuts against and presses the flange. The utility model adopts the above structure after, make sealed cowling threaded connection back on drilling pipeline, but shutoff drilling pipeline.

Furthermore, the cross section of the rotating groove and the cross section of the connecting rod are both of a diamond structure. The utility model adopts the above structure after to in the connecting rod inserts the rotation inslot, thereby drive the pivot and rotate.

Further, the other end of the exhaust pipe is connected with a storage tank. The utility model adopts the above structure after, through setting up the holding vessel to collect from the gas pipe combustion gas.

Drawings

Fig. 1 is an overall structure diagram of the present invention.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of fig. 1 at B.

Fig. 4 is a sealing gasket structure diagram of the present invention.

Fig. 5 is a top view of the rotating shaft of the present invention.

Wherein, 1 is fixed hoop, 11 is the equipment casing, 12 is the injecting glue mouth, 13 is seal gasket, 131 is the injecting glue groove, 14 is the connecting plate, 141 is the screw hole, 2 is the drilling pipeline, 21 is the pivot, 211 is the rotation groove, 22 is the connecting rod, 221 is the sealing rubber ring, 23 is the hand wheel, 24 is annular sword, 251 is the internal thread, 252 is the external screw thread, 253 is the flange, 26 is the sealed cowling, 31 is the blast pipe, 32 is the aspiration pump, 33 is the holding vessel.

Detailed Description

The invention will be further described with reference to the following specific embodiments:

referring to fig. 1 to 5, a gas pipe gas replacement device includes a fixed hoop 1, an exhaust pipe 31 and an air pump 32, the fixed hoop 1 is sleeved on a gas pipe, specifically, the fixed hoop 1 includes two assembled shells 11, the two assembled shells 11 are in a semi-circular structure and used for clamping the gas pipe together, two ends of the assembled shells 11 are respectively formed with a connecting plate 14, the connecting plate 14 is provided with at least one threaded hole 141, the threaded holes 141 on the two assembled shells 11 are connected by screws, the fixed hoop 1 is provided with an injection hole 12 penetrating through to the inner side wall of the fixed hoop 1, and a drilling pipeline 2 is formed on the outer side wall of one of the assembled shells 11.

The drilling pipeline 2 is hollow, the hollow part of the drilling pipeline 2 extends to the inner side wall of the fixed hoop sleeve 1, a flange 253 is formed on the outer side wall of the drilling pipeline 2, an external thread 252 is formed on the outer side wall of the drilling pipeline 2 and is used for being in threaded connection with a sealing cover 26 to plug the outlet of the drilling pipeline 2, after the sealing cover 26 is connected with the external thread 252 of the drilling pipeline 2, the bottom end of the sealing cover 26 is abutted against and presses against the flange 253, an internal thread 251 is formed in the drilling pipeline 2 and is used for being in threaded connection with a rotating shaft 21, a rotating groove 211 extending along the length direction of the rotating shaft 21 is formed in the top surface of the rotating shaft 21 for being inserted by a connecting rod 22, the connecting rod 22 is upwards connected with a hand wheel 23, the hand wheel 23 is screwed to sequentially drive the connecting rod 22 to rotate with the rotating shaft 21, the hand wheel 23 is positioned above the outlet of the drilling, meanwhile, the bottom end of the rotating shaft 21 is connected with an annular cutter 24 for drilling on a gas pipe; a sealing gasket 13 is further arranged between the fixed hoop 1 and the gas pipe, a glue injection groove 131 penetrating through the whole sealing gasket 13 is formed in the middle of the sealing gasket 13, the glue injection groove 131 is respectively opposite to the opening between the fixed hoop 1 and the drilling pipeline 2 and the position of the gas pipe to be drilled, and the glue injection port 12 is opposite to the glue injection groove 131; the exhaust pipe 31 is connected with the drilling pipeline 2, a connecting port between the exhaust pipe 31 and the drilling pipeline 2 is positioned below the internal thread 251, and the exhaust pipe 31 is provided with an air pump 32; wherein the cross section of the rotating groove 211 and the cross section of the connecting rod 22 are both diamond-shaped structures.

The specific working process of this embodiment is as follows: firstly, clamping the gas pipe to be drilled up and down by two assembling shells 1, and screwing the gas pipe into each pair of opposite threaded holes 141 in sequence through screws to connect each pair of opposite connecting plates 14, so that the two assembling shells 1 are connected, the fixed hoop sleeve 1 is locked and sleeved on the gas pipe, and an opening between the drilling pipeline 2 and the fixed hoop sleeve 1 is opposite to the part of the gas pipe to be drilled; then, connecting the glue injection device with the glue injection port 12, injecting plastic into the glue injection port 12, allowing the plastic to enter the glue injection groove 131 through the glue injection port 12, filling the glue injection groove 131 to form a sealing layer, and filling and sealing a gap formed between the gas pipe and the fixed hoop 1; and then, screwing the hand wheel 23, so that the hand wheel 23 sequentially drives the connecting rod 22, the rotating shaft 21 and the annular cutter 24 to rotate, and in the rotating process of the rotating shaft 21, as the rotating shaft 21 is in threaded connection with the internal thread 251 of the drilling pipeline 2, the rotating shaft 21 synchronously moves downwards in the rotating process, so that the annular cutter 24 gradually approaches to the sealing layer and the gas pipe, until the annular cutter 24 sequentially drills the sealing layer and the gas pipe.

After the drilling processing of gas pipe is accomplished, at first reverse the hand wheel 23 of twisting, make hand wheel 23 drive connecting rod 22, pivot 21 and annular sword 24 return to initial position, then with seal cover 26 and the external screw thread 252 threaded connection of drilling pipeline 2, until the bottom of seal cover 26 conflict roof pressure flange 253, make seal cover 26 block up the top export of drilling pipeline 2, connect the notes nitrogen device respectively with gas pipe both ends interface again, start notes nitrogen device, with arrange into nitrogen gas from gas pipe both ends, nitrogen gas can promote in the remaining gas of gas pipe arranges into drilling pipeline 2 from the drilling department of gas pipe in, start aspiration pump 32 simultaneously, aspiration pump 32 will follow in the drilling pipeline 2 and take out blast pipe 31, carry again and retrieve in the holding vessel 33. In the process of gas pipe exhaust, the sealing layer, the sealing rubber ring 221 and the sealing cover 26 are arranged, so that a gap formed between the gas pipe and the fixed hoop sleeve 1 can be plugged, the drilling pipeline 2 can be plugged, the leakage phenomenon is prevented, and the gas in the gas pipe can be recovered conveniently.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make further changes and modifications to the invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims (7)

1. A gas pipe gas replacement device is characterized in that: the gas exhaust pipe comprises a fixed hoop (1), an exhaust pipe (31) and an air pump (32), wherein the fixed hoop (1) is sleeved on a gas pipe, the fixed hoop (1) is provided with a glue injection port (12) penetrating through the inner side wall of the fixed hoop (1), and a drilling pipeline (2) is formed on the outer side wall of the fixed hoop (1); the drilling pipeline (2) is hollow, the hollow part of the drilling pipeline (2) extends to the inner side wall of the fixed hoop sleeve (1), an external thread (252) is formed on the outer side wall of the drilling pipeline (2) and is used for being in threaded connection with a sealing cover (26) to plug an outlet of the drilling pipeline (2), an internal thread (251) is formed in the drilling pipeline (2) and is used for being in threaded connection with a rotating shaft (21), a rotating groove (211) extending along the length direction of the rotating shaft (21) is formed in the top surface of the rotating shaft (21) to allow a connecting rod (22) to be inserted into the rotating groove, the connecting rod (22) is upwards connected with a hand wheel (23), the hand wheel (23) is screwed to sequentially drive the connecting rod (22) and the rotating shaft (21) to rotate, the hand wheel (23) is located above the outlet of the drilling pipeline (2), and the bottom end of the rotating shaft (21) is connected with an annular cutter, the gas pipe is used for drilling holes in the gas pipe; a sealing gasket (13) is further arranged between the fixed hoop sleeve (1) and the gas pipe, a glue injection groove (131) penetrating through the whole sealing gasket (13) is formed in the middle of the sealing gasket (13), the glue injection groove (131) is respectively opposite to an opening between the fixed hoop sleeve (1) and the drilling pipeline (2) and a to-be-drilled part of the gas pipe, and the glue injection opening (12) is opposite to the glue injection groove (131); the exhaust pipe (31) is connected with the drilling pipeline (2), a connecting port between the exhaust pipe (31) and the drilling pipeline (2) is located below the internal thread (251), and the exhaust pipe (31) is provided with the air suction pump (32).

2. A gas pipe gas substitution device according to claim 1, characterized in that: fixed hoop (1) includes two equipment casings (11), two equipment casing (11) are semicircle annular structure for centre gripping gas pipe jointly, simultaneously equipment casing (11) both ends are formed respectively and are had connecting plate (14), it has at least one screw hole (141) to open on connecting plate (14), two screw hole (141) on the equipment casing (11) pass through screwed connection.

3. A gas pipe gas substitution device according to claim 2, characterized in that: wherein the drill pipe (2) is formed on an outer side wall of one of the assembly housings (11).

4. A gas pipe gas substitution device according to claim 1, characterized in that: the connecting rod (22) is sleeved with a sealing rubber ring (221) for plugging the drilling pipeline (2).

5. A gas pipe gas substitution device according to claim 1, characterized in that: and a flange (253) is formed on the outer side wall of the drilling pipeline (2), and when the sealing cover (26) is connected with the external thread (252) of the drilling pipeline (2), the bottom end of the sealing cover (26) is abutted against and is pressed against the flange (253).

6. A gas pipe gas substitution device according to claim 1, characterized in that: the cross section of the rotating groove (211) and the cross section of the connecting rod (22) are both in a diamond structure.

7. A gas pipe gas substitution device according to claim 1, characterized in that: the other end of the exhaust pipe (31) is connected with a storage tank (33).

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