Explosion-proof metal hose

Abstract

The utility model belongs to the technical field of metal hoses, and particularly relates to an explosion-proof metal hose which comprises an explosion-proof metal braided sleeve and further comprises a stainless steel braided sleeve fixedly sleeved with the explosion-proof metal braided sleeve, a plastic-coated metal hose fixedly sleeved with the stainless steel braided sleeve, and a plastic-coated metal hose fixedly sleeved with the plastic-coated metal hose. Connecting pipes are fixedly arranged outside the anti-explosion metal braided sleeves in a sleeving mode, waterproof rings are fixedly arranged inside the connecting pipes in a sleeving mode, drain holes are formed in the waterproof rings in a penetrating mode, connecting mounting grooves are formed in the two sides of the waterproof rings in a penetrating mode, and the hose is wrapped and protected through the anti-explosion metal braided sleeves; according to the anti-explosion metal hose, the anti-explosion metal braided sleeve is used for protection, then the stainless steel braided sleeve is used for protection, then the plastic-coated metal hose is used for wrapping protection on the hose, the anti-explosion metal braided sleeve and the stainless steel braided sleeve can be used for anti-explosion wrapping protection, the anti-explosion performance of the metal hose can be improved, and therefore the use safety of the metal hose is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal hoses, and in particular relates to an explosion-proof metal hose. Background Art

[0002] Metal hoses are important components in the connection pipelines of modern industrial equipment. Metal hoses are used as wire and cable protection tubes for wires, cables, and automation instrument signals, as well as civilian shower hoses. The specifications range from 3mm to 150mm. Metal hoses are used in a wide range of scenarios and may appear in gas transportation. Metal hoses may explode when transporting gas, so explosion-proof metal hoses are needed.

[0003] For example, a Chinese patent with publication number CN208024960U discloses a novel explosion-proof metal hose, including a metal hose, a flame-retardant material layer wrapped on the metal hose, and a metal mesh tube layer outside the flame-retardant material layer, the metal mesh tube layer is a mesh tube woven with stainless steel wire, and is characterized in that: a hexagonal tube matching the outer wall of the metal mesh tube layer is arranged on the outer side of the metal mesh tube layer, a pipe joint is connected to the right end of the metal hose through a pipe adapter with a conical structure, a nut and an asbestos sealing ring are arranged on the outer wall of the pipe joint, and a hemispherical head is arranged at the right end of the pipe joint.

[0004] The patent has the following problems:

[0005] In the prior art documents, it is not convenient to use metal hoses for explosion-proof purposes, and the explosion-proof performance of metal hoses is poor, thereby reducing the safety of using metal hoses. In addition, in the prior art documents, it is not convenient to expand and connect metal hoses with different accessories, thereby reducing the convenience of expanding metal hoses. In view of this, we propose an explosion-proof metal hose. Utility Model Content

[0006] The purpose of the utility model is to provide an explosion-proof metal hose in view of the above-mentioned technical problems, so as to improve the safety of the use of the metal hose and the expandability of the metal hose.

[0007] In view of this, the utility model provides an explosion-proof metal hose, including an explosion-proof metal braided sleeve, and also includes: the internal fixed sleeve of the explosion-proof metal braided sleeve is provided with a stainless steel braided sleeve, the internal fixed sleeve of the stainless steel braided sleeve is provided with a plastic-coated metal hose, the outside of the explosion-proof metal braided sleeve is fixedly provided with a connecting pipe, the inside of the connecting pipe is fixedly provided with a waterproof ring, the inside of the waterproof ring is penetrated by water holes, both sides of the waterproof ring are penetrated by connecting installation grooves, and the inside of the connecting installation grooves is surrounded by connecting threads.

[0008] Based on the above structure, the hose is wrapped and protected by an explosion-proof metal braided sleeve, and then protected by a stainless steel braided sleeve, and then wrapped and protected by a plastic-coated metal hose. The explosion-proof metal braided sleeve and the stainless steel braided sleeve can be used for explosion-proof wrapping protection, thereby improving the safety of the metal hose. Then, the connecting pipe is installed on both sides of the outside of the explosion-proof metal braided sleeve, and then the waterproof ring and the water flow hole are used for air and liquid flow, and then the connecting thread is used for expansion connection. The metal hose can prepare different accessories for expansion connection, thereby improving the convenience of metal hose expansion.

[0009] Preferably, the external fixing sleeve of the connecting pipe is provided with a tightening sleeve, and the interior of the tightening sleeve is fixedly filled with a filling sponge.

[0010] Preferably, a connecting nut is threadedly installed on one side of the connecting thread, and a mounting tube is threadedly installed on the other side of the connecting thread.

[0011] Preferably, the outside of the connecting nut is surrounded by a nut external thread, the inside of the connecting nut is penetrated by a nut hole, and the inside of the nut hole is surrounded by a nut internal thread.

[0012] Preferably, the outside of the mounting tube is surrounded by mounting threads, the inside of the mounting tube is penetrated by mounting holes, and the other side of the mounting tube is fixedly mounted with a mounting flange.

[0013] Preferably, the internal fixing sleeve of the plastic-coated metal hose is provided with a rubber hose, and the rubber hose is made of chloroprene rubber.

[0014] Preferably, the inner fixing sleeve of the rubber hose is provided with a stainless steel bellows, and the stainless steel bellows is made of stainless steel.

[0015] The beneficial effects of the utility model are:

[0016] 1. The explosion-proof metal hose is wrapped and protected by an explosion-proof metal braided sleeve, and then protected by a stainless steel braided sleeve, and then wrapped and protected by a plastic-coated metal hose. The explosion-proof metal braided sleeve and the stainless steel braided sleeve can be used for explosion-proof wrapping protection, which can improve the explosion-proof performance of the metal hose, thereby improving the safety of the metal hose.

[0017] 2. The explosion-proof metal hose is installed on both sides of the outside of the explosion-proof metal braided sleeve through a connecting pipe, and then the air and liquid flow is carried out using a waterproof ring and a water flow hole, and then the connection is extended using a connecting thread. This can improve the metal hose's preparation of different accessories for extended connection, so that the metal hose can be connected at different identifications, thereby improving the convenience of metal hose expansion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an overall stereogram of the utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the utility model;

[0020] Figure 3 It is a partial stereoscopic diagram of the explosion-proof metal braided sleeve in the utility model;

[0021] Figure 4 It is a schematic diagram of the local structure of the connecting pipe in the utility model;

[0022] Figure 5 It is a partial stereogram of the installation pipe in the utility model;

[0023] Figure 6 It is a partial stereoscopic view of the connecting nut in the utility model.

[0024] The symbols in the figure are:

[0025] 1. Connecting pipe; 101. Waterproof ring; 102. Water flow hole; 103. Connecting installation groove; 104. Connecting thread; 2. Fastening sleeve; 201. Filling sponge; 3. Connecting nut; 301. Nut hole; 302. Nut internal thread; 303. Nut external thread; 4. Mounting pipe; 401. Mounting flow hole; 402. Mounting thread; 403. Mounting flange; 5. Explosion-proof metal braided sleeve; 501. Stainless steel braided sleeve; 502. Plastic-coated metal hose; 6. Rubber hose; 601. Stainless steel corrugated pipe. DETAILED DESCRIPTION

[0026] 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.

[0027] The present application embodiment discloses an explosion-proof metal hose. Figure 1-Figure 6, including an explosion-proof metal braided sleeve 5, and also including: the internal fixed sleeve of the explosion-proof metal braided sleeve 5 is provided with a stainless steel braided sleeve 501, the internal fixed sleeve of the stainless steel braided sleeve 501 is provided with a plastic-coated metal hose 502, the external of the explosion-proof metal braided sleeve 5 is fixedly provided with a connecting pipe 1, the internal of the connecting pipe 1 is fixedly provided with a waterproof ring 101, the internal of the waterproof ring 101 is penetrated with a water flow hole 102, the two sides of the waterproof ring 101 are penetrated with a connecting installation groove 103, and the internal of the connecting installation groove 103 is surrounded by a connecting thread 104.

[0028] Based on the above structure, the hose is wrapped and protected by an explosion-proof metal braided sleeve 5, and then protected by a stainless steel braided sleeve 501, and then wrapped and protected by a plastic-coated metal hose 502. The explosion-proof metal braided sleeve 5 and the stainless steel braided sleeve 501 can be used for explosion-proof wrapping protection, which can improve the explosion-proof performance of the metal hose, thereby improving the safety of the use of the metal hose, and then the connecting pipe 1 is installed on both sides of the outside of the explosion-proof metal braided sleeve 5, and then the waterproof ring 101 and the water hole 102 are used for air and liquid flow, and then the connecting thread 104 is used for expansion connection, which can improve the metal hose. Prepare different accessories for expansion connection, so that the metal hose can be connected at different identifications, thereby improving the convenience of metal hose expansion.

[0029] In one embodiment, the outer fixing sleeve of the connecting pipe 1 is provided with a fastening sleeve 2 , and the interior of the fastening sleeve 2 is fixedly filled with a filling sponge 201 .

[0030] Specifically, the interior of the fastening sleeve 2 is fixedly filled with a filling sponge 201 .

[0031] In this embodiment, the fastening sleeve 2 can be used to wrap and sleeve the explosion-proof metal braided sleeve 5 with the connecting pipe 1, and then the filling sponge 201 is used to fill it, thereby improving the stability of the metal hose in use.

[0032] In one embodiment, a connecting nut 3 is threadedly mounted on one side of the connecting thread 104 , and a mounting tube 4 is threadedly mounted on the other side of the connecting thread 104 .

[0033] Specifically, a connecting nut 3 is threadedly installed on one side of the connecting thread 104 , and a mounting tube 4 is threadedly installed on the other side of the connecting thread 104 .

[0034] In this embodiment, the connecting thread 104 can be used to perform threaded connection with other accessories, thereby improving the stability of threaded installation.

[0035] In one embodiment, the outside of the connecting nut 3 is surrounded by a nut external thread 303 , the inside of the connecting nut 3 is penetrated by a nut hole 301 , and the inside of the nut hole 301 is surrounded by a nut internal thread 302 .

[0036] Specifically, the outside of the connecting nut 3 is surrounded by a nut external thread 303 , the inside of the connecting nut 3 is penetrated by a nut hole 301 , and the inside of the nut hole 301 is surrounded by a nut internal thread 302 .

[0037] In this embodiment, the nut external thread 303 can be used to perform threaded connection inside the connecting thread 104, and then the nut internal thread 302 can be used to facilitate threaded connection between the connecting nut 3 and the device, thereby improving the stability of the connection.

[0038] In one embodiment, the outside of the mounting tube 4 is surrounded by mounting threads 402 , the inside of the mounting tube 4 is penetrated by mounting holes 401 , and the other side of the mounting tube 4 is fixedly mounted with a mounting flange 403 .

[0039] Specifically, the outside of the mounting tube 4 is surrounded by mounting threads 402 , the inside of the mounting tube 4 is penetrated by mounting holes 401 , and the other side of the mounting tube 4 is fixedly mounted with a mounting flange 403 .

[0040] In this embodiment, the installation thread 402 and the connecting thread 104 can be used for threaded installation, and then the installation flange 403 and the external pipe can be used for movable installation, thereby improving the convenience of installation.

[0041] In one embodiment, the internal fixing sleeve of the plastic-coated metal hose 502 is provided with a rubber hose 6, and the rubber hose 6 is made of chloroprene rubber.

[0042] Specifically, the inner fixed sleeve of the plastic-coated metal hose 502 is provided with a rubber hose 6 .

[0043] In this embodiment, the rubber hose 6 can be used for transportation.

[0044] In one embodiment, the inner fixing sleeve of the rubber hose 6 is provided with a stainless steel bellows 601 , and the stainless steel bellows 601 is made of stainless steel.

[0045] Specifically, the inner fixed sleeve of the rubber hose 6 is provided with a stainless steel bellows 601 .

[0046] In this embodiment, the stainless steel bellows 601 can be used, thereby improving the stability of hose transportation.

[0047] When an explosion-proof metal hose of the present embodiment is in use, the hose is wrapped and protected by an explosion-proof metal braided sleeve 5, and then protected by a stainless steel braided sleeve 501, and then wrapped and protected by a plastic-coated metal hose 502. The explosion-proof metal braided sleeve 5 and the stainless steel braided sleeve 501 can be used for explosion-proof wrapping protection, which can improve the explosion-proof performance of the metal hose, thereby improving the safety of the use of the metal hose, and then the connecting pipe 1 is installed on both sides of the outside of the explosion-proof metal braided sleeve 5, and then the waterproof ring 101 and the water flow hole 102 are used for air and liquid flow, and then the connecting thread 104 is used for expansion connection, which can improve the metal hose. Prepare different accessories for expansion connection, so that the metal hose can be connected at different identifications, thereby improving the convenience of metal hose expansion, and then use The connecting pipe 1 is wrapped and sleeved with the fastening sleeve 2 to wrap and sleeve the explosion-proof metal braided sleeve 5, and then filled with the filling sponge 201, thereby improving the stability of the use of the metal hose, and then the connecting thread 104 is used to threadedly connect with other accessories, thereby improving the stability of the threaded installation, and then the nut external thread 303 is used to thread the inside of the connecting thread 104, and then the nut internal thread 302 is used to facilitate the threaded connection of the connecting nut 3 with the equipment, thereby improving the stability of the connection, and then the installation thread 402 is used to thread the connecting thread 104, and then the installation flange 403 is used to perform a movable installation with the external pipeline, thereby improving the convenience of installation, and then the rubber hose 6 is used for transportation, and then the stainless steel bellows 601 is used, thereby improving the stability of hose transportation.

[0048] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An explosion-proof metal hose, comprising an explosion-proof metal braided sleeve (5), characterized in that: Also includes: The explosion-proof metal braided sleeve (5) is fixedly sleeved with a stainless steel braided sleeve (501) inside, and the stainless steel braided sleeve (501) is fixedly sleeved with a plastic-coated metal hose (502) inside. The explosion-proof metal braided sleeve (5) is fixedly sleeved with a connecting pipe (1) outside, and the connecting pipe (1) is fixedly sleeved with a waterproof ring (101) inside. The waterproof ring (101) is penetrated with a water flow hole (102). Both sides of the waterproof ring (101) are penetrated with a connecting installation groove (103), and the inside of the connecting installation groove (103) is surrounded by a connecting thread (104).

2. The explosion-proof metal hose according to claim 1, characterized in that: The external fixing sleeve of the connecting pipe (1) is provided with a fastening sleeve (2), and the interior of the fastening sleeve (2) is fixedly filled with a filling sponge (201).

3. The explosion-proof metal hose according to claim 1, characterized in that: A connecting nut (3) is threadedly mounted on one side of the connecting thread (104), and a mounting tube (4) is threadedly mounted on the other side of the connecting thread (104).

4. The explosion-proof metal hose according to claim 3, characterized in that: The outside of the connecting nut (3) is surrounded by a nut external thread (303), the inside of the connecting nut (3) is penetrated by a nut hole (301), and the inside of the nut hole (301) is surrounded by a nut internal thread (302).

5. The explosion-proof metal hose according to claim 3, characterized in that: The outside of the mounting tube (4) is surrounded by mounting threads (402), the inside of the mounting tube (4) is penetrated by mounting holes (401), and the other side of the mounting tube (4) is fixedly mounted with a mounting flange (403).

6. The explosion-proof metal hose according to claim 1, characterized in that: The internal fixing sleeve of the plastic-coated metal hose (502) is provided with a rubber hose (6), and the rubber hose (6) is made of chloroprene rubber.

7. The explosion-proof metal hose according to claim 6, characterized in that: The inner fixing sleeve of the rubber hose (6) is provided with a stainless steel bellows (601), and the stainless steel bellows (601) is made of stainless steel.

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