CN211423709U - Novel gas pipe - Google Patents

Abstract

The utility model discloses a novel gas pipe, which comprises a corrugated pipe wrapped with an insulating flame-retardant outer sleeve, wherein extension pipes are arranged at two ends of the corrugated pipe, the extension pipes are sleeved on a connecting pipe and are welded with the connecting pipe, a rubber clamping sleeve is arranged at one end of the connecting pipe positioned in the extension pipe, and the extension pipe is connected with an annular clamping groove in a clamping manner through a clamping ring on the inner wall, so that the sealing effect is good, and the production is convenient; insulating fire-retardant overcoat passes through the adapter sleeve and tightly links to each other with the extension pipe pressure, through the spiral shell joint install the adjusting collar on the connecting pipe, spiral shell joint is installed and is pressed tightly the cover on the adjusting collar, compress tightly the annular that sets up the diameter and enlarge gradually from inside to outside on putting in, compress tightly the cover and compress tightly the face through annular and fasten the cover and press the fastening and decide, compress tightly the cover through rotating and can increase the pressure to the adapter sleeve to increase the pressure of adapter sleeve to insulating fire-retardant overcoat, the pine phenomenon appears in the fire-retardant overcoat of regular adjustment can prevent to insulate.

Description

Novel gas pipe

The technical field is as follows:

the utility model relates to a novel gas pipe.

Background art:

the gas pipe is a special pipeline for conveying combustible gas, and a metal gas pipe hose is adopted to replace a traditional buckle rubber hose at present, so that the defects that the rubber hose is easy to fall off, age and bite insects and has short service life can be overcome. The existing gas pipe generally comprises a metal hose and a flame-retardant jacket, the metal hose and the flame-retardant jacket are connected in a mode of compressing a fastening sleeve, but the flame-retardant jacket of the gas pipe is likely to be loosened after being bent for many times or used for a long time, certain potential safety hazards exist, and people fix the flame-retardant jacket after being loosened again very slowly.

The invention content is as follows:

the utility model aims at solving the problem among the prior art, provide a install the adjusting collar on the coupling and compress tightly the cover, compress tightly the cover through the regulation and can increase the dynamics that compresses tightly to the adapter sleeve, effectively prevent the novel gas pipe of insulating fire-retardant overcoat.

In order to achieve the above purpose, the technical scheme of the utility model is that:

a novel gas pipe comprises a corrugated pipe wrapped with an insulating flame-retardant outer sleeve, wherein extension pipes are arranged at two ends of the corrugated pipe and fixedly connected with a pipe joint, the pipe joint comprises a joint body and a connecting pipe, the extension pipes are sleeved on the connecting pipe and are connected with the connecting pipe in a welding mode, a rubber clamping sleeve is arranged at one end, located in the extension pipes, of the connecting pipe, a circular clamping groove is formed in the rubber clamping sleeve at equal intervals, and clamping rings which correspond to the circular clamping grooves in a one-to-one mode and are connected with the circular clamping grooves in a clamping mode are arranged on the inner wall of; the utility model discloses a corrugated pipe, including the extension pipe, the connecting pipe is located the extension outside of tubes, insulating fire-retardant overcoat passes through the adapter sleeve and tightly links to each other with the extension pipe pressure, the connecting pipe is located one of extension outside of tubes and has served and seted up first external screw thread, close through first external screw thread on the connecting pipe and install the adjusting collar, the adjusting collar is kept away from one side of corrugated pipe and is installed the limiting plate, the second external screw thread has been seted up on the adjusting collar, close through second external screw thread on the adjusting collar and install the pressing sleeve, set up the annular face that compresses tightly that the diameter enlarges from inside to outside.

The connecting pipe between the joint body and the adjusting sleeve is provided with a first reinforcing ring in a screwed mode, and the adjusting sleeve between the limiting plate and the pressing sleeve is provided with a second reinforcing ring in a screwed mode.

And the connecting pipes on two sides of the rubber clamping sleeve are provided with limiting rings.

A rubber sealing ring is arranged in the joint body.

The utility model has the advantages that: the utility model discloses a novel gas pipe, including the bellows that the outside parcel has insulating fire-retardant overcoat, the bellows both ends are all installed the extension pipe, the extension pipe suit is on the connecting pipe and with the connecting pipe welding link to each other, the connecting pipe is located and installs the rubber cutting ferrule on the one end in the extension pipe, the extension pipe passes through the snap ring on the inner wall and links to each other with the ring groove joint, sealed effectual, and production is convenient; insulating fire-retardant overcoat passes through the adapter sleeve and tightly links to each other with the extension pipe pressure, through the spiral shell joint install the adjusting collar on the connecting pipe, spiral shell joint is installed and is pressed tightly the cover on the adjusting collar, compress tightly the annular that sets up the diameter and enlarge gradually from inside to outside on putting in, compress tightly the cover and compress tightly the face through annular and fasten the cover and press the fastening and decide, compress tightly the cover through rotating and can increase the pressure to the adapter sleeve to increase the pressure of adapter sleeve to insulating fire-retardant overcoat, the pine phenomenon appears in the fire-retardant overcoat of regular adjustment can prevent to insulate.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention.

The specific implementation mode is as follows:

in order that those skilled in the art will better understand the inventive arrangements, further details of the invention are provided below with reference to the accompanying drawings and embodiments.

A novel gas pipe as shown in fig. 1, including outside parcel have insulating fire-retardant overcoat 11's bellows 1, extension pipe 2 is all installed at bellows 1 both ends, extension pipe 2 links to each other with coupling 3 is fixed, coupling 3 is including connecting body 31 and connecting pipe 32, 2 suits of extension pipe link to each other on connecting pipe 32 and with connecting pipe 32 welding, welded connected mode easy operation, the leakproofness is good moreover. Connecting pipe 32 is located one of extension pipe 2 and is served and install rubber cutting ferrule 4, annular clamping groove 41 has been seted up to equidistant on the rubber cutting ferrule 4, be provided with on the inner wall of extension pipe 2 with the continuous snap ring 21 of annular clamping groove 41 one-to-one and joint. The structure of rubber cutting ferrule 4 and 2 joints of extension pipe has further increased the leakproofness of gas pipe, effectively prevents the gas and leaks, and production is convenient moreover. As a preferable scheme, the connecting pipes 32 on both sides of the rubber sleeve 4 are both provided with a limiting ring 44, which can prevent the rubber sleeve 4 from moving. And a rubber sealing ring 33 is arranged in the joint body 31, so that the sealing property during gas pipe connection is improved.

Insulating fire-retardant overcoat 11 compresses tightly continuously with extension pipe 2 through adapter sleeve 5, connecting pipe 32 is located extension pipe 2 outer one and serves and has seted up first external screw thread 6, it has adjusting collar 7 to thread to install through first external screw thread 6 on the connecting pipe 32, and adjusting collar 7 is used for increasing and reduces the displacement range who compresses tightly cover 8, bellows 1's one side is kept away from to adjusting collar 7 is installed limiting plate 71, second external screw thread 61 has been seted up on adjusting collar 7, it has the cover 8 that compresses tightly to thread to install through second external screw thread 61 on adjusting collar 7, compress tightly the annular that the diameter enlarges gradually from inside to outside on the cover 8 and compress tightly face 81, it compresses tightly fixedly with adapter sleeve 5 through annular compression face 81 to compress tightly cover 8. The first reinforcing ring 9 is mounted on the connecting pipe 32 between the joint body 31 and the adjusting sleeve 7 in a threaded mode, the second reinforcing ring 91 is mounted on the adjusting sleeve 7 between the limiting plate 71 and the pressing sleeve 8 in a threaded mode, and the first reinforcing ring 9 and the second reinforcing ring 91 can reinforce the positions of the adjusting sleeve 7 and the pressing sleeve 8 and prevent the adjusting sleeve 7 and the pressing sleeve 8 from loosening.

The novel gas pipe comprises a corrugated pipe wrapped with an insulating flame-retardant outer sleeve, extension pipes are mounted at two ends of the corrugated pipe, the extension pipes are sleeved on a connecting pipe and are connected with the connecting pipe in a welding mode, a rubber clamping sleeve is mounted at one end, located in the extension pipe, of the connecting pipe, the extension pipes are connected with an annular clamping groove in a clamping mode through clamping rings on the inner wall, the sealing effect is good, and production is convenient; insulating fire-retardant overcoat passes through the adapter sleeve and tightly links to each other with the extension pipe pressure, through the spiral shell joint install the adjusting collar on the connecting pipe, spiral shell joint is installed and is pressed tightly the cover on the adjusting collar, compress tightly the annular that sets up the diameter and enlarge gradually from inside to outside on putting in, compress tightly the cover and compress tightly the face through annular and fasten the cover and press the fastening and decide, compress tightly the cover through rotating and can increase the pressure to the adapter sleeve to increase the pressure of adapter sleeve to insulating fire-retardant overcoat, the pine phenomenon appears in the fire-retardant overcoat of regular adjustment can prevent to insulate.

Claims (4)

1. A novel gas pipe is characterized in that: the corrugated pipe comprises a corrugated pipe (1) wrapped by an insulating flame-retardant outer sleeve (11), extension pipes (2) are mounted at two ends of the corrugated pipe (1), the extension pipes (2) are fixedly connected with a pipe joint (3), the pipe joint (3) comprises a joint body (31) and a connecting pipe (32), the extension pipes (2) are sleeved on the connecting pipe (32) and are welded with the connecting pipe (32), a rubber clamping sleeve (4) is mounted at one end of the connecting pipe (32) located in the extension pipe (2), annular clamping grooves (41) are formed in the rubber clamping sleeve (4) at equal intervals, and clamping rings (21) which correspond to the annular clamping grooves (41) one to one and are connected in a clamping manner are arranged on the inner wall of the extension pipe (2); insulating fire-retardant overcoat (11) compress tightly continuously through adapter sleeve (5) and extension (2), connecting pipe (32) are located extension (2) outer one and serve and have seted up first external screw thread (6), it has adjusting collar (7) to thread to install through first external screw thread (6) on connecting pipe (32), limiting plate (71) are installed to one side that bellows (1) were kept away from in adjusting collar (7), second external screw thread (61) have been seted up on adjusting collar (7), it has compressing tightly cover (8) to thread to install through second external screw thread (61) on adjusting collar (7), it compresses tightly face (81) to set up the diameter from inside to outside gradually enlarging on compressing tightly cover (8), it compresses tightly fixedly through annular compressing tightly face (81) and adapter sleeve (5) to compress tightly cover (8).

2. A novel gas line as claimed in claim 1, wherein: the joint is characterized in that a first reinforcing ring (9) is mounted on a connecting pipe (32) between the joint body (31) and the adjusting sleeve (7) in a threaded mode, and a second reinforcing ring (91) is mounted on the adjusting sleeve (7) between the limiting plate (71) and the pressing sleeve (8) in a threaded mode.

3. A novel gas line as claimed in claim 1, wherein: and the connecting pipes (32) at the two sides of the rubber cutting sleeve (4) are provided with limit rings (44).

4. A novel gas line as claimed in claim 1, wherein: a rubber sealing ring (33) is arranged in the joint body (31).

Images