CN213745411U

CN213745411U - Prevent that electric breakdown gas apparatus connects and uses stainless steel corrugated hose

Info

Publication number: CN213745411U
Application number: CN202022663406.1U
Authority: CN
Inventors: 江长友
Original assignee: Yuhuan Jianglin Plumbing Co ltd
Current assignee: Yuhuan Jianglin Plumbing Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-20
Anticipated expiration: 2030-11-17

Abstract

The utility model provides a prevent that electricity punctures gas apparatus and connects and use stainless steel corrugated hose belongs to pipe fitting technical field. It has solved current gas connecting pipe and has leaded to the not enough scheduling problem of safety in utilization because of the electric breakdown appears easily. This prevent electric breakdown gas apparatus and connect and use stainless steel corrugated hose, including the body, joint Assembly and the sheath of making by insulating material, joint Assembly is including connecting body and nut, protruding ring and canned paragraph have on the joint body, the nut suit is outside connecting body, the nut has the fender ring, it is located between protruding ring and the body and can stop in the protruding ring to keep off the ring, the sheath is including being located the cover body between fender ring and the canned paragraph and inserting the solid fixed ring between protruding ring and the fender ring, gu fixed ring an organic whole is fixed on the outer end of the cover body, the clearance has between the lateral surface of the cover body and the medial surface of fender ring or/and the medial surface of the cover body and the lateral surface of canned paragraph. The stainless steel corrugated hose has the function of preventing electric breakdown, and improves the use safety.

Description

Prevent that electric breakdown gas apparatus connects and uses stainless steel corrugated hose

Technical Field

The utility model belongs to the technical field of the pipe fitting, a prevent that electricity punctures gas apparatus and connects and use stainless steel corrugated hose is related to.

Background

The gas pipe network is formed by connecting each gas pipe. The gas meter is used for measuring the use condition of the gas, and a gas connecting pipe is connected between the gas meter and the gas meter. For the sake of installation, the gas connection pipe is generally a hose, and the most commonly used hose is a corrugated pipe.

For example, the document of Chinese patent document discloses a gas stove connecting pipe [ application number: CN 201020538494.6; the notice number is: CN 201827539U ], the metal corrugated pipe and two connecting joints, the two connecting joints are respectively connected to two ends of the metal corrugated pipe through fastening sleeves, and a protective sleeve is sleeved on the metal corrugated pipe. The connecting joint is a threaded joint, the threaded joint comprises a joint, a flat-bottom nut and a parallel sealing ring, one end of the joint is clamped with one end of the flat-bottom nut, the other end of the joint is connected to one end of the metal corrugated pipe through a fastening sleeve, and the end face of one end of the joint, which is connected with the flat-bottom nut, is set to be a plane; the inner side of the outer end of the flat-bottom nut is provided with an internal thread, and the periphery of the parallel sealing ring is clamped between the end face of the connector and the end face of the internal thread at the outer end of the flat-bottom nut.

Because the horizontality problem of water electrician or the negligence when installing when house decoration, link together zero line and ground wire, perhaps regard the ground wire as the zero line, lead to the ground wire ground connection effect not good, cause the ground wire electrified, and in order to make flat nut can rotate, be clearance fit between the lateral surface of joint and the medial surface of flat nut joint portion, when having voltage between flat nut and joint, form electric arc between the two easily, cause joint department to form electric breakdown, influence the security that the gas used.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide one kind and prevented electric breakdown gas apparatus and connect and use stainless steel corrugated hose, solved current gas connecting pipe and lead to the not enough technical problem of safety in utilization because of the electric breakdown appears easily.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a prevent that electric breakdown gas apparatus connects and use stainless steel corrugated hose, includes body and joint Assembly, the body includes the bellows of being made by the stainless steel, joint Assembly includes joint body and the nut of making by metal material, the inner of joint body and the tip fixed connection of body, convex bulge loop has on the lateral surface of joint body, the joint body includes the canned paragraph that is located between body and bulge loop, the nut suit is outside the joint body, convex fender ring has on the medial surface of nut, fender ring is located between bulge loop and the body and can keep off in the bulge loop, its characterized in that, joint Assembly still includes the sheath of being made by insulating material, the sheath is including the cover body that is located between fender ring and the canned paragraph and the solid fixed ring that inserts between bulge loop and the fender ring, solid fixed ring an organic whole is fixed on the outer end of the cover body, and a gap is formed between the outer side surface of the sleeve body and the inner side surface of the baffle ring or/and between the inner side surface of the sleeve body and the outer side surface of the fixed section.

The stainless steel corrugated hose for preventing the electric breakdown of the gas appliance is a gas connecting pipe capable of preventing the electric breakdown. The cover body is located between fender ring and the canned paragraph, can separate the fender ring of nut and the canned paragraph of connecting the body and carry out insulation protection, and solid fixed ring is located between bulge ring and the fender ring, can fix solid fixed ring centre gripping between bulge ring and fender ring after the nut locking, gu fixed ring separates the bulge ring and fender ring on the one hand and carries out insulation protection, on the other hand fixes the sheath through solid fixed ring, prevent the cover body from keeping off the roll-off between ring and the canned paragraph, insulation effect has been guaranteed, avoid taking place electric breakdown between fender ring and the canned paragraph, the security that the gas connecting pipe used has been improved. Meanwhile, a gap is formed between the outer side face of the sleeve body and the inner side face of the baffle ring or/and between the inner side face of the sleeve body and the outer side face of the fixed section, the rotatability of the nut on the joint body is guaranteed, the nut is convenient to disassemble and assemble, and the detachability of the gas connecting pipe between the gas meter and the gas stove is guaranteed.

In the stainless steel corrugated hose for connecting the electric breakdown prevention gas appliance, the inner end of the sleeve body extends out of the inner end surface of the baffle ring. The sleeve body is ensured to separate the baffle ring from the fixed section, and the insulation effect of the sheath is ensured.

In the above-mentioned stainless steel corrugated hose for electrical breakdown preventive gas appliance connection, the sheath is made of a POM material. The POM material has good insulation and flame retardant properties, and can ensure the use safety of the gas pipe.

In the stainless steel corrugated hose for connecting an electric breakdown prevention gas appliance, two joint assemblies are provided and are respectively fixed at two ends of the hose body. The both ends of body all are provided with the joint Assembly who has the sheath, make the body both ends all be difficult for taking place electric breakdown, have guaranteed the security that the gas connecting pipe used.

In the stainless steel corrugated hose for connecting the anti-electric breakdown gas appliance, the outer end face of the connector body is provided with a convex connecting column, and a sealing gasket is sleeved and fixed on the connecting column. Make seal ring fixed stable on the joint body like this, prevent that seal ring from taking place to lose when the gas connecting pipe is not adorned between gas-cooker and the gas table, be favorable to guaranteeing the security that the gas connecting pipe used.

In the stainless steel corrugated hose for connecting the anti-electric breakdown gas appliance, the inner hole at the outer end of the screw cap is connected with the sealing cover in a threaded manner. The closing cap is all in connected state before the gas connecting pipe leaves the factory to the installation, and the closing cap is opened when the installation gas connecting pipe. The closing cap can protect the inner structure of gas connecting pipe, guarantees that the gas connecting pipe does not have other impurity entering before the installation, has guaranteed the security that the gas connecting pipe used.

In the stainless steel corrugated hose for connecting the electric breakdown prevention gas appliance, the hose body further comprises an outer pipe made of flexible PVC materials, and the outer pipe is sleeved outside the corrugated pipe and fixed. The outer pipe is made of PVC materials and has an anti-corrosion effect, the corrugated pipe is prevented from being corroded, and the use safety of the gas connecting pipe is guaranteed.

In the stainless steel corrugated hose for connecting the electric breakdown prevention gas appliance, the end face of the corrugated pipe is butted with the inner end face of the joint body and is fixed by welding. Therefore, the pipe body is stably connected with the joint body, and the use safety of the gas connecting pipe is guaranteed.

In the stainless steel corrugated hose for preventing electric breakdown gas appliance connection, the end part of the hose body is sleeved with the sleeve and is fixedly pressed with the sleeve, and the outer end of the sleeve is sleeved on the outer side of the sheath and can stop the nut from moving towards the hose body. The inner end of the sleeve is pressed and fixed to enable the inner pipe and the outer pipe to be fixed more firmly, and meanwhile the outer end of the sleeve has a limiting effect, so that the nut and the sheath are prevented from being excessively displaced to influence the smooth installation process.

Compared with the prior art, the utility model has the advantages of it is following:

the joint assembly further comprises a sheath made of insulating materials, the sheath separates the fixed section of the joint body from the retaining ring of the nut for insulation protection, and the sheath is fixed between the retaining ring and the convex ring through the fixing ring, so that electric breakdown between the fixed section of the joint body and the retaining ring of the nut is avoided, and the use safety of the gas connecting pipe is guaranteed. The seal ring is sleeved on the connecting column of the joint body, the sealing cover is fixed at the outer port of the screw cap, and the corrugated pipe is welded and fixed with the joint body, so that the use safety of the gas connecting pipe is ensured.

Drawings

FIG. 1 is a disassembled perspective view of the stainless steel corrugated hose for connection of the electric breakdown preventing gas appliance;

FIG. 2 is a cross-sectional view of the stainless steel corrugated hose for connection to a gas appliance for preventing electrical breakdown at the joint assembly;

fig. 3 is a partial enlarged view of the sheath of fig. 2.

In the figure, 1, a tube body; 1a, a corrugated pipe; 1b, an outer tube; 2. a connector body; 2a, a convex ring; 2b, a fixed section; 2c, connecting columns; 3. a nut; 3a, a baffle ring; 4. a sheath; 4a, a sleeve body; 4b, a fixing ring; 5. a gap; 6. a sealing gasket; 7. a sleeve; 8. and (7) sealing the cover.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

Example one

As shown in figures 1-3, the stainless steel corrugated hose for connecting the electric breakdown-preventing gas appliance comprises a pipe body 1 and two joint assemblies, wherein the two joint assemblies are respectively fixed at two ends of the pipe body 1. The pipe body 1 includes a corrugated pipe 1a made of stainless steel and an outer pipe 1b made of flexible PVC material, and the outer pipe 1b is fixed and sleeved outside the corrugated pipe 1 a. The joint component comprises a joint body 2, a nut 3 and a sheath 4, wherein the joint body 2 and the nut 3 are both made of metal materials, the metal materials can be copper, copper alloy, stainless steel and the like, the sheath 4 is made of insulating materials, the insulating materials can be plastics, such as nylon, POM, ABS and the like, and the insulating materials can also be ceramic materials. The inner end of the joint body 2 is fixedly connected with the end part of the pipe body 1, and the end surface of the corrugated pipe 1a is butted and fixed with the inner end surface of the joint body 2 through welding. The inner end of the joint body 2, the inner end of the nut 3 and the inner end of the sheath 4 refer to one end close to the pipe body 1.

The joint body 2 has a protruding collar 2a on the outer side surface thereof, and the joint body 2 includes a fixing section 2b between the pipe body 1 and the collar 2 a. The nut 3 suit has convex fender ring 3a outside connecting body 2 on the medial surface of nut 3 inner, keeps off ring 3a and is located between bulge ring 2a and the body 1 and can stop in bulge ring 2 a. The sheath 4 includes that the cover body 4a that is located between fender ring 3a and canned paragraph 2b and inserts the solid fixed ring 4b between bulge loop 2a and fender ring 3a, and cover body 4a suit is outside canned paragraph 2b, and solid fixed ring 4b is integrative to be fixed on the lateral surface of the cover body 4a outer end, and the inner of cover body 4a stretches out the interior terminal surface that keeps off ring 3 a. In this embodiment, the inner end of the sleeve body 4a extends out of the inner end surface of the nut 3. A gap 5 is arranged between the outer side surface of the sleeve body 4a and the inner side surface of the baffle ring 3a or/and between the inner side surface of the sleeve body 4a and the outer side surface of the fixed section 2 b. The clearance 5 between the inner side surface of the sleeve body 4a and the outer side surface of the fixed section 2b is larger than the clearance 5 between the outer side surface of the sleeve body 4a and the inner side surface of the baffle ring 3a, so that the nut 3 can be conveniently disassembled and assembled, and the insulation effect can be improved.

The outer end face of the joint body 2 is provided with a convex connecting column 2c, and a sealing gasket 6 is sleeved and fixed on the connecting column 2 c. The end part of the pipe body 1 is sleeved and fixed with a sleeve 7 in a press fit mode, the outer end of the sleeve 7 is sleeved on the outer side of the inner end of the sheath 4 and can stop the nut 3 from moving towards the pipe body 1. Threaded connection has closing cap 8 in the hole of nut 3 outer end, and closing cap 8 is dismantled when the installation gas connecting pipe. The outer side surface of the sealing cover 8 is provided with a blocking protrusion which abuts against the outer end surface of the screw cap 3, so that the sealing cover 8 is fixed on the screw cap 3 stably.

The stainless steel corrugated hose for preventing the electric breakdown of the gas appliance is a gas connecting pipe capable of preventing the electric breakdown. The cover body 4a is located between the retaining ring 3a and the fixed section 2b, the retaining ring 3a of the nut 3 and the fixed section 2b of the connector body 2 can be separated for insulation protection, the fixing ring 4b is located between the convex ring 2a and the retaining ring 3a, the fixing ring 4b can be clamped and fixed between the convex ring 2a and the retaining ring 3a after the nut 3 is locked, on one hand, the fixing ring 4b separates the convex ring 2a from the retaining ring 3a for insulation protection, on the other hand, the sheath 4 is fixed through the fixing ring 4b, the cover body 4a is prevented from sliding out from the retaining ring 3a and the fixed section 2b, the insulation effect is guaranteed, electric breakdown between the retaining ring 3a and the fixed section 2b is avoided, and the use safety of the gas connecting pipe is improved. Meanwhile, a gap 5 is formed between the outer side face of the sleeve body 4a and the inner side face of the baffle ring 3a or/and between the inner side face of the sleeve body 4a and the outer side face of the fixed section 2b, the rotatability of the nut 3 on the joint body 2 is guaranteed, the nut 3 is convenient to disassemble and assemble, and the detachability of the gas connecting pipe between the gas meter and the gas stove is guaranteed.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a prevent that electric breakdown gas apparatus connects and use stainless steel corrugated hose, includes body (1) and joint Assembly, body (1) includes bellows (1a) made by the stainless steel, joint Assembly includes joint body (2) and nut (3) of making by metal material, the inner of joint body (2) and the tip fixed connection of body (1), convex bulge loop (2a) have on the lateral surface of joint body (2), joint body (2) are including being located body (1) and bulge loop (2a) between canned paragraph (2b), nut (3) suit is outside joint body (2), convex fender ring (3a) have on the medial surface of nut (3), keep off ring (3a) and be located between bulge loop (2a) and body (1) and can keep off in bulge loop (2a), the connector assembly is characterized by further comprising a sheath (4) made of an insulating material, wherein the sheath (4) comprises a sheath body (4a) positioned between the retaining ring (3a) and the fixed section (2b) and a fixing ring (4b) inserted between the protruding ring (2a) and the retaining ring (3a), the fixing ring (4b) is integrally fixed at the outer end of the sheath body (4a), and a gap (5) is formed between the outer side surface of the sheath body (4a) and the inner side surface of the retaining ring (3a) or/and between the inner side surface of the sheath body (4a) and the outer side surface of the fixed section (2 b).

2. The stainless steel corrugated hose for preventing electrical breakdown for connecting gas appliances according to claim 1, wherein the inner end of the sheath body (4a) extends out of the inner end surface of the baffle ring (3 a).

3. The stainless steel corrugated hose for electrical breakdown-resistant gas appliance connection according to claim 1, characterized in that the sheath (4) is made of POM material.

4. The stainless steel corrugated hose for preventing electric breakdown in gas appliance connection according to any one of claims 1 to 3, wherein the joint members have two and are fixed to both ends of the pipe body (1), respectively.

5. The stainless steel corrugated hose for preventing electric breakdown of gas appliance connection of any one of claims 1 to 3, wherein the outer end face of the connector body (2) is provided with a convex connecting column (2c), and a sealing gasket (6) is sleeved and fixed on the connecting column (2 c).

6. The stainless steel corrugated hose for preventing electric breakdown of gas appliances according to any one of claims 1 to 3, characterized in that a sealing cover (8) is screwed into the inner hole of the outer end of the screw cap (3).

7. The stainless steel corrugated hose for preventing electric breakdown for connecting gas appliances according to any one of claims 1 to 3, wherein the pipe body (1) further comprises an outer pipe (1b) made of flexible PVC material, and the outer pipe (1b) is sleeved on the outer side of the corrugated pipe (1a) and fixed.

8. The stainless steel corrugated hose for preventing electrical breakdown for gas appliance connection according to claim 7, wherein an end face of the corrugated hose (1a) is butted against an inner end face of the joint body (2) and fixed by welding.

9. The stainless steel corrugated hose for preventing electric breakdown for gas appliance connection as claimed in claim 2, wherein a sleeve (7) is sleeved and press-fitted on the end of the hose body (1), and the outer end of the sleeve (7) is sleeved on the outer side of the sheath (4) and can stop the nut (3) from moving towards the hose body (1).