CN218972088U - Novel stainless steel corrugated pipe for connecting gas appliance - Google Patents
Novel stainless steel corrugated pipe for connecting gas appliance Download PDFInfo
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- CN218972088U CN218972088U CN202222187075.8U CN202222187075U CN218972088U CN 218972088 U CN218972088 U CN 218972088U CN 202222187075 U CN202222187075 U CN 202222187075U CN 218972088 U CN218972088 U CN 218972088U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Abstract
The utility model provides a novel stainless steel corrugated pipe for connecting a gas appliance, and belongs to the technical field of pipe fittings. The sealing device solves the problems that the tightness between the existing corrugated pipe and the connecting pipe cannot be ensured because the nut can move, and the like. The stainless steel corrugated pipe for connecting the gas appliance comprises a corrugated pipe body, a first fixing nut and a sealing gasket, wherein one end of the corrugated pipe body is provided with a first clamping ring, the corrugated pipe body is sleeved with a first clamping spring axially limited by the first clamping ring, the first fixing nut is sleeved at one end of the corrugated pipe body, the inner side surface of the first fixing nut is provided with a first positioning ring, the corrugated pipe body is also sleeved and fixed with a first ferrule, the first positioning ring is axially fixed between the first clamping spring and the first ferrule, and the sealing gasket is axially limited in the first fixing nut. The sealing gasket in the corrugated pipe cannot fall out due to the fact that the fixing nut moves, and sealing performance between the corrugated pipe and the connecting pipe is guaranteed.
Description
Technical Field
The utility model belongs to the technical field of pipe fittings, and relates to a corrugated pipe for connecting a gas appliance.
Background
The gas pipe network is formed by connecting various gas pipes. The gas meter is connected when the gas enters a household, the gas meter is used for measuring the gas service condition, and a gas connecting pipe is connected between the gas meter and the gas stove.
As disclosed in the Chinese patent literature, a bellows joint structure is proposed [ application number: cn20110110188. X; bulletin number: CN202001748U ], comprises a corrugated pipe and a connecting pipe, wherein a thread section is arranged at one end of the connecting pipe connected with the corrugated pipe, and a clamp spring is arranged on the corrugated pipe. The clamp spring is a semi-closed structure with one side open formed by connecting at least two circular arc clamp spring sheets, and a V-shaped notch is arranged at the interconnection part of the clamp spring sheets. The corrugated pipe is also provided with a compression nut, one end of the compression nut is in threaded connection with the threaded section, and the other end of the compression nut is provided with a limiting structure for limiting the clamp spring in the compression nut. The limiting structure is an inner convex ring structure which is convex inwards to the screw hole on the compression nut, and a gasket is arranged between the corrugated pipe and the connecting pipe.
The corrugated pipe assembly is formed by the corrugated pipe, the clamp spring and the compression nut, and is sold in the market after being assembled in a factory, and a consumer connects the corrugated pipe assembly into the connecting pipe after buying. The gasket is made of rubber, and is generally placed into the gland nut or placed in the packaging bag for sale, and because the gland nut can slide on the corrugated pipe, the gasket placed into the gland nut is easy to fall out of the gland nut, and when a consumer carelessly forgets or breaks away the gasket in the packaging bag, no gasket is sealed between the corrugated pipe and the connecting pipe, so that gas leakage can be caused to cause safety accidents.
Disclosure of Invention
The utility model aims at solving the problems existing in the prior art, and provides a novel stainless steel corrugated pipe for connecting a gas appliance, which solves the technical problem of ensuring the tightness between the corrugated pipe and a connecting pipe.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a stainless steel corrugated pipe for gas appliance connection, includes bellows body, fixation nut one and sealed pad, the one end of bellows body has joint ring one, the cover is equipped with the jump ring one that the axial limited is located joint ring one on the bellows body, fixation nut one suit is in the one end of bellows body, and has the holding ring one on the medial surface of fixation nut one, its characterized in that still the suit is fixed with the lasso one on the bellows body, the holding ring one axial is fixed in between jump ring one and the lasso one, sealed pad axial restriction is in the fixation nut one.
Assembling a first fixing nut and a first ferrule on a corrugated pipe body, sleeving the first ferrule and the first fixing nut on the corrugated pipe body, moving the first ferrule and the first fixing nut to expose a first clamping ring, sleeving a first clamping spring on the corrugated pipe body to enable the first clamping spring to be axially limited on the first clamping ring, moving the first fixing nut to enable one end of a first positioning ring to be abutted against the first clamping spring, moving the first ferrule to enable the first ferrule to be abutted against the other end of the first positioning ring, and fixing the first ferrule on the corrugated pipe body, so that the first fixing nut is axially fixed on the corrugated pipe body through the first ferrule and the first clamping spring, and finally placing a sealing gasket into the first fixing nut to form axial limiting. Because the first fixing nut is axially fixed on the corrugated pipe body, the first fixing nut cannot axially move on the corrugated pipe body, and the sealing gasket cannot fall out of the first fixing nut due to the movement of the first fixing nut, so that the sealing gasket can form sealing between the corrugated pipe body and the connecting pipe when the corrugated pipe is connected with the connecting pipe, and the sealing performance between the corrugated pipe and the connecting pipe is guaranteed.
In the stainless steel corrugated pipe for connecting the gas appliance, the inner end face of the sealing gasket is provided with the caulking groove, the first clamping ring is embedded into the caulking groove, and the outer side face of the first clamping ring is attached to the groove wall face of the caulking groove. The first clamping ring and the caulking groove are matched to have a radial limiting effect on the sealing gasket, so that radial deflection of the sealing gasket can be reduced, the sealing property caused by the radial deflection of the sealing gasket is reduced, and the sealing property between the corrugated pipe and the connecting pipe is guaranteed.
In the stainless steel corrugated pipe for connecting the gas appliance, the outer end face of the first clamping ring is abutted against the bottom face of the caulking groove, and the inner end face of the sealing gasket is abutted against the first clamping spring. When the connecting pipe is inserted into the first fixing nut and is tightly pressed on the sealing gasket, the outer end face of the first clamping ring tightly abuts against the bottom face of the caulking groove to form sealing, and meanwhile, the inner end face of the sealing gasket abuts against the clamp spring to form limiting, so that more outer end faces of the sealing gasket tightly abut against the connecting pipe to form sealing, and the sealing performance between the corrugated pipe and the connecting pipe is improved.
In the stainless steel corrugated pipe for connecting the gas appliance, a groove is formed in the inner side surface of the first fixing nut, close to the positioning ring, and the outer side portion of the sealing gasket is embedded into the groove. The groove has an axial limiting effect on the sealing gasket, and under the condition that the first fixing nut is axially fixed on the corrugated pipe body, the sealing gasket is not easy to fall out of the first fixing nut, so that the sealing performance of the corrugated pipe and the connecting pipe is guaranteed.
In the stainless steel corrugated pipe for connecting the gas appliance, the corrugated pipe body is sleeved and fixed with the sleeve, the first ferrule is sleeved and fixed on the outer side face of the sleeve, and one end of the sleeve is inserted into the inner hole of the first positioning ring. The sleeve has a protective effect on the corrugated pipe body, friction and abrasion caused by contact between the corrugated pipe body and an external object are avoided, and the service life of the corrugated pipe is prolonged.
In the stainless steel corrugated pipe for connecting the gas appliance, the other end of the corrugated pipe body is provided with the clamping ring II, the other end of the corrugated pipe body is sleeved with the clamping spring II, the ferrule II and the fixing nut II, the clamping spring II is axially limited to the clamping ring II, the ferrule II is fixed on the corrugated pipe body, the inner side surface of the fixing nut II is provided with the positioning ring II, and the positioning ring II is axially fixed between the clamping spring II and the ferrule II.
When the second fixing nut and the second ferrule are assembled on the corrugated pipe body, the second ferrule and the second fixing nut are sleeved on the other end of the corrugated pipe body, then the second ferrule and the second fixing nut are moved to enable the second clamping ring to be exposed, the second clamping spring is sleeved on the corrugated pipe body to enable the second clamping spring to be limited on the second clamping ring in the axial direction, then the second fixing nut is moved to enable one end of the second positioning ring to abut against the second clamping spring, the second ferrule is moved to enable the second ferrule to abut against the other end of the second positioning ring, and then the second ferrule is fixed on the corrugated pipe body, so that the second fixing nut is axially fixed on the corrugated pipe body through the second ferrule and the second clamping spring, and the assembly is convenient.
In the stainless steel corrugated pipe for connecting the gas appliance, the second fixing nut is connected with the locking nut in a threaded manner, the sealing cylinder ring is arranged in the locking nut, and the outer end of the locking nut acts on the sealing cylinder ring to enable the inner end of the sealing cylinder ring to abut against the second clamping ring. After the other connecting pipe is inserted into the sealing cylinder ring, the locking nut is screwed, the locking nut acts on the sealing cylinder ring to enable the inner end of the sealing cylinder ring to tightly lean against the clamping ring II, the inner side surface of the sealing cylinder ring is abutted against the outer side surface of the connecting pipe, and the tightness between the other end of the corrugated pipe and the other connecting pipe is ensured.
In the stainless steel corrugated pipe for connecting the gas appliance, the inner end face of the sealing cylinder ring is provided with the embedded groove, the second clamping ring is embedded into the embedded groove, the outer side face of the second clamping ring is abutted against the groove wall face of the embedded groove, the outer end face of the second clamping ring is abutted against the bottom face of the embedded groove, and the inner end face of the sealing cylinder ring is abutted against the second clamping spring. The fit of the embedded groove and the second clamping ring has radial positioning function, and meanwhile, the area of the contact surface of the sealing cylinder ring and the second clamping ring can be increased, so that the tightness between the other end of the corrugated pipe and the other connecting pipe is guaranteed.
In the stainless steel corrugated pipe for connecting the gas appliance, the first clamping ring and the second clamping ring are formed by stamping at least one wave crest pipe wall of the corrugated pipe body, the first clamping spring is embedded into a wave trough, close to the first clamping ring, of the outer side face of the corrugated pipe, and the second clamping spring is embedded into a wave trough, close to the second clamping ring, of the outer side face of the corrugated pipe. The first clamping ring and the second clamping ring are formed by stamping the wave crest pipe wall of the corrugated pipe body, so that the first clamping ring and the second clamping ring are convenient to mold. The first clamp spring and the second clamp spring are clamped by the trough groove of the corrugated pipe body, so that the processing steps of the trough pipe body are reduced, and the processing efficiency of the workpiece is improved.
Compared with the prior art, the utility model has the following advantages:
the clamping ring I is used for axially limiting the clamping spring I, and the clamping spring I and the ferrule I are used for axially fixing the positioning ring I, so that the fixing nut I is axially fixed on the corrugated pipe body, the sealing gasket which is caused by axial movement of the fixing nut I is prevented from being separated, and the tightness between the corrugated pipe and the connecting pipe is ensured. The caulking groove is formed in the sealing gasket, and the clamping ring is embedded into the caulking groove to radially position the sealing gasket, so that the sealing performance reduction caused by radial deflection of the sealing gasket is avoided. The sealing gasket is abutted against the clamping spring when being abutted against the first clamping ring, so that the outer end face of more sealing gaskets is abutted against the connecting pipe tightly, and the sealing performance between the corrugated pipe and the connecting pipe is guaranteed. The sleeve has a protective effect on the corrugated pipe body, and the service life of the corrugated pipe is prolonged.
Drawings
FIG. 1 is a cross-sectional view of a first embodiment of the present bellows;
FIG. 2 is an enlarged view of the right end of the bellows of FIG. 1;
fig. 3 is an enlarged view of the left end of the bellows of fig. 1.
In the figure, 1, a corrugated pipe body; 1a, a clamping ring I; 1b, a clamping ring II; 1c, trough grooves; 2. a sleeve; 3. a first fixing nut; 3a, positioning ring I; 3b, grooves; 4. a sealing gasket; 4a, caulking grooves; 5. a clamp spring I; 6. a first ferrule; 7. a second fixing nut; 7a, a positioning ring II; 8. sealing the cylinder ring; 8a, embedding grooves; 9. a second clamp spring; 10. a second ferrule; 11. a lock nut; 12. a clasp; 13. a gasket.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1-3, a novel stainless steel corrugated pipe for connecting a gas appliance comprises a corrugated pipe body 1, wherein a sleeve 2 is sleeved and fixed outside the corrugated pipe body 1, the corrugated pipe body 1 is made of stainless steel, and the sleeve 2 is made of flexible materials such as PVC or rubber. The right-hand member of bellows body 1 is connected with fixation nut one 3, installs sealed pad 4 in the fixation nut one 3, and the left end of bellows body 1 is connected with fixation nut two 7, installs sealed section of thick bamboo circle 8 in the fixation nut two 7. The right end of the corrugated pipe body 1 is provided with a clamping ring I1 a, and the left end of the corrugated pipe body 1 is provided with a clamping ring II 1b. The first clamping ring 1a and the second clamping ring 1b are formed by punching at least one wave crest pipe wall of the corrugated pipe body 1 along the axial direction, and can be formed by punching and overlapping one, two or three wave crest pipe walls.
The right end of the corrugated pipe body 1 is sleeved with a first clamping spring 5 which is axially limited to the first clamping ring 1a, the first clamping spring 5 is clamped in a trough groove 1c, close to the first clamping ring 1a, of the outer side face of the corrugated pipe body 1, namely, the first clamping spring 5 is positioned on the left side of the first clamping ring 1a, and the first clamping spring 5 is embedded in the trough groove 1c, close to the first clamping ring 1a, and abuts against the first clamping ring 1 a. The outer side part of the clamping spring I5 protrudes out of the outer side surface of the clamping ring I1 a. The left end of the corrugated pipe body 1 is sleeved with a second clamping spring 9 which is axially limited to the second clamping ring 1b, the second clamping spring 9 is clamped in a trough groove 1c, close to the second clamping ring 1b, of the outer side face of the corrugated pipe body 1, namely the second clamping spring 9 is positioned on the right side of the second clamping ring 1b, and the first clamping spring 5 is embedded in the trough groove 1c, close to the second clamping ring 1b, and abuts against the second clamping ring 1b. The outer side part of the second clamping spring 9 protrudes out of the outer side surface of the second clamping ring 1b. The first clamping spring 5 and the second clamping spring 9 are provided with openings so as to facilitate embedding the first clamping spring 5 and the second clamping spring 9 into the corresponding trough 1 c.
The first fixing nut 3 is sleeved on the right end of the corrugated pipe body 1, the inner side surface of the first fixing nut 3 is provided with a convex positioning ring 3a, and the positioning ring 3a is positioned on the left side of the first clamping spring 5. The right end of the corrugated pipe body 1 is also sleeved and fixed with a first ferrule 6, the first ferrule 6 is sleeved outside the sleeve 2 and fixed on the outer side surface of the sleeve 2, and the first ferrule 6 is positioned on the left side of the first positioning ring 3 a. The first positioning ring 3a is axially fixed between the first clamping spring 5 and the first ferrule 6, namely, two ends of the first positioning ring 3a are respectively abutted against the first clamping spring 5 and the first ferrule 6. The second fixing nut 7 is sleeved on the left end of the corrugated pipe body 1, a second convex positioning ring 7a is arranged on the inner side surface of the second fixing nut 7, and the second positioning ring 7a is positioned on the right side of the second clamping spring 9. The left end of the corrugated pipe body 1 is also sleeved and fixed with a second ferrule 10, the second ferrule 10 is sleeved outside the sleeve 2 and fixed on the outer side surface of the sleeve 2, and the second ferrule 10 is positioned on the right side of the second positioning ring 7 a. The second positioning ring 7a is axially fixed between the second clamping spring 9 and the second ferrule 10, namely, two ends of the second positioning ring 7a are respectively attached to the second clamping spring 9 and the second ferrule 10. The first fixing nut 3 and the second fixing nut 7 can all rotate circumferentially so as to enable the connecting pipe to form fixed connection with the corrugated pipe. The first ferrule 6 and the second ferrule 10 are metal sleeves and can be radially punched and deformed, and the first ferrule 6 and the second ferrule 10 form a diameter-reducing part to hold the corrugated pipe body 1, so that the first ferrule 6 and the second ferrule 10 are fixed on the sleeve 2, namely, the corrugated pipe body 1, and before the radial punching process, the first ferrule 6 and the second ferrule 10 can slide on the sleeve 2. The right end of the sleeve 2 is inserted into the inner hole of the first positioning ring 3a, and the left end of the sleeve 2 is inserted into the inner hole of the second positioning ring 7 a.
The sealing gasket 4 is limited in the first fixing nut 3 in the axial direction, a groove 3b is formed in the inner side surface of the first fixing nut 3 and close to the first positioning ring 3a, and the outer side part of the sealing gasket 4 is embedded into the groove 3 b. The inner end surface of the sealing gasket 4 is provided with a caulking groove 4a, the first clamping ring 1a is embedded into the caulking groove 4a, and the outer side surface of the first clamping ring 1a is abutted against the groove wall surface of the caulking groove 4 a. The outer end face of the first clamping ring 1a is abutted against the bottom face of the embedded groove 4a, and the inner end face of the sealing gasket 4 is abutted against the first clamping spring 5. In the figure, the inner end face of the gasket 4 is the left end face of the gasket 4, and the outer end face of the first clamping ring 1a is the right end face of the first clamping ring 1 a. The sealing cylinder ring 8 is axially limited in the second fixing nut 7, the left end of the second fixing nut 7 is connected with a locking nut 11 in a threaded manner, the right end of the sealing cylinder ring 8 is inserted into the second fixing nut 7, and the left end of the sealing cylinder ring 8 is inserted into the locking nut 11. The left end of the lock nut 11 acts on the sealing cylinder ring 8 to enable the right end of the sealing cylinder ring 8 to abut against the clamping ring II 1b. An embedded groove 8a is formed in the inner end face of the sealing barrel ring 8, the second clamping ring 1b is embedded into the embedded groove 8a, the outer side face of the second clamping ring 1b is abutted against the groove wall face of the embedded groove 8a, the outer end face of the second clamping ring 1b is abutted against the bottom face of the embedded groove 8a, and the inner end face of the sealing barrel ring 8 is abutted against the second clamping spring 9. In the figure, the inner end of the sealing cylinder ring 8 is the right end of the sealing cylinder ring 8, and the outer end face of the clamping ring II 1b is the left end face of the clamping ring II 1b. The inner side surface of the inner end of the sealing cylinder ring 8 is provided with a conical ring, the inner side surface of the outer end of the locking nut 11 is provided with a conical locking ring, a clamping ring 12 is arranged between the locking ring and the outer end of the sealing cylinder ring 8, and the locking ring is abutted against the clamping ring 12 to enable the inner side part of the clamping ring 12 to be radially close to enable the clamping ring 12 to hug the connecting pipe tightly. The structure of the snap ring 12 can be referred to as bulletin number: CN 211449980U. A gasket 13 is arranged between the clamping ring 12 and the sealing cylinder ring 8, so that the sealing cylinder ring 8 is uniformly stressed.
Wherein, the first ferrule 6 and the second ferrule 10 have the same structure and can be used interchangeably; the first clamping spring 5 and the second clamping spring 9 have the same structure and can be used interchangeably; the first clamping ring 1a and the second clamping ring 1b have the same structure, the embedded groove 4a of the sealing gasket 4 and the embedded groove 8a of the sealing cylinder ring 8 have the same structure, and the left end and the right end of the corrugated pipe body 1 can be interchangeably installed.
When the fixing nut I3 and the ferrule I6 are assembled on the corrugated pipe body 1, the ferrule I6 and the fixing nut I3 are sleeved on the right end of the corrugated pipe body 1 with the sleeve 2, then the ferrule I6 and the fixing nut I3 are moved to expose the clamping ring I1 a, then the clamping spring I5 is sleeved on the corrugated pipe body 1, the clamping spring I5 is embedded in a trough groove 1c close to the clamping ring I1 a to enable the clamping spring I5 to be axially limited on the clamping ring I1 a, then the fixing nut I3 is moved to enable the right end of the positioning ring I3 a to abut against the clamping spring I5, then the ferrule I6 is moved to abut against the left end of the positioning ring I3 a, then the ferrule I6 is radially punched to form a diameter reducing part, and the ferrule I6 is fixed on the sleeve 2, so that the fixing nut I3 is axially fixed on the corrugated pipe body 1 through the ferrule I6 and the clamping spring I5, finally the sealing gasket 4 is placed in the fixing nut I3 and is embedded in the groove 3b, and the clamping ring I1 a is embedded in the groove 4. When the fixing nut II 7 and the ferrule II 10 are assembled on the corrugated pipe body 1, the ferrule II 10 and the fixing nut II 7 are sleeved on the left end of the corrugated pipe body 1, then the ferrule II 10 and the fixing nut II 7 are moved to enable the clamping ring II 1b to be exposed, the clamp spring II 9 is sleeved on the corrugated pipe body 1, the clamp spring II 9 is embedded into a trough groove 1c close to the clamping ring II 1b to enable the clamp spring II 9 to be axially limited on the clamping ring II 1b, then the fixing nut II 7 is moved to enable the left end of the positioning ring II 7a to abut against the clamp spring II 9, then the ferrule II 10 is moved to enable the ferrule II 10 to abut against the right end of the positioning ring II 7a, and then the ferrule II 10 is contracted and deformed and fixed on the sleeve 2, so that the fixing nut II 7 is axially fixed on the corrugated pipe body 1 through the ferrule II 10 and the clamp spring II 9, and then the locking nut 11, the sealing barrel ring 8, the clamping ring 12 and the gasket 13 are installed.
Because the first fixing nut 3 is axially fixed on the corrugated pipe body 1, the first fixing nut 3 cannot axially move on the corrugated pipe body 1, and the sealing gasket 4 cannot fall out of the first fixing nut 3 due to the movement of the first fixing nut 3, so that the sealing gasket 4 can form sealing between the corrugated pipe body 1 and the connecting pipe when the corrugated pipe is connected with the connecting pipe, and the sealing performance between the corrugated pipe and the connecting pipe is guaranteed.
Example two
The structures of the two ends of the corrugated pipe are the same, and the two ends of the corrugated pipe are the structure of the left end of the embodiment or the structure of the right end of the embodiment.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The utility model provides a stainless steel corrugated pipe for gas appliance connection, includes bellows body (1), fixation nut one (3) and sealed pad (4), the one end of bellows body (1) has joint ring one (1 a), the cover is equipped with the jump ring one (5) that the axial limited is located joint ring one (1 a) on bellows body (1), fixation nut one (3) suit is in the one end of bellows body (1), and has locating ring one (3 a) on the medial surface of fixation nut one (3), a serial communication port, still the suit is fixed with lasso one (6) on bellows body (1), locating ring one (3 a) axial is fixed in between jump ring one (5) and lasso one (6), sealed pad (4) axial limit is in fixation nut one (3), the cover is equipped with sleeve pipe (2) on bellows body (1), lasso one (6) suit is fixed on the lateral surface of sleeve pipe (2), one end of sleeve pipe (2) stretches out one and inserts in lasso one (3 a) hole.
2. The stainless steel corrugated pipe for connecting a gas appliance according to claim 1, wherein an embedded groove (4 a) is formed in the inner end surface of the sealing gasket (4), the first clamping ring (1 a) is embedded into the embedded groove (4 a), and the outer side surface of the first clamping ring (1 a) is abutted against the groove wall surface of the embedded groove (4 a).
3. The stainless steel bellows for gas appliance connection according to claim 2, wherein an outer end surface of the first snap ring (1 a) is abutted against a bottom surface of the caulking groove (4 a), and an inner end surface of the gasket (4) is abutted against the first snap spring (5).
4. The stainless steel bellows for gas appliance connection according to claim 1, wherein a groove (3 b) is provided on an inner side surface of the first fixing nut (3) near the first positioning ring (3 a), and an outer side portion of the gasket (4) is fitted into the groove (3 b).
5. The stainless steel corrugated pipe for connecting a gas appliance according to any one of claims 1 to 4, wherein the other end of the corrugated pipe body (1) is provided with a clamping ring II (1 b), the other end of the corrugated pipe body (1) is sleeved with a clamping spring II (9), a ferrule II (10) and a fixing nut II (7), the clamping spring II (9) is axially limited on the clamping ring II (1 b), the ferrule II (10) is fixed on the corrugated pipe body (1), the inner side surface of the fixing nut II (7) is provided with a positioning ring II (7 a), and the positioning ring II (7 a) is axially fixed between the clamping spring II (9) and the ferrule II (10).
6. The stainless steel corrugated pipe for connecting a gas appliance according to claim 5, wherein a lock nut (11) is connected to the outer end of the second fixing nut (7) in a threaded manner, a sealing cylinder ring (8) is arranged in the lock nut (11), and the outer end of the lock nut (11) acts on the sealing cylinder ring (8) to enable the inner end of the sealing cylinder ring (8) to abut against the second clamping ring (1 b).
7. The stainless steel corrugated pipe for connecting a gas appliance according to claim 6, wherein an embedded groove (8 a) is formed in the inner end face of the sealing cylinder ring (8), the second clamping ring (1 b) is embedded into the embedded groove (8 a), the outer side face of the second clamping ring (1 b) is abutted against the groove wall face of the embedded groove (8 a), the outer end face of the second clamping ring (1 b) is abutted against the bottom face of the embedded groove (8 a), and the inner end face of the sealing cylinder ring (8) is abutted against the second clamping spring (9).
8. The stainless steel corrugated pipe for connecting a gas appliance according to claim 5, wherein the first clamping ring (1 a) and the second clamping ring (1 b) are formed by stamping at least one crest pipe wall of the corrugated pipe body (1), the first clamping spring (5) is embedded into a trough groove (1 c) of the outer side surface of the corrugated pipe body (1) close to the first clamping ring (1 a), and the second clamping spring (9) is embedded into a trough groove (1 c) of the outer side surface of the corrugated pipe body (1) close to the second clamping ring (1 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222187075.8U CN218972088U (en) | 2022-08-18 | 2022-08-18 | Novel stainless steel corrugated pipe for connecting gas appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222187075.8U CN218972088U (en) | 2022-08-18 | 2022-08-18 | Novel stainless steel corrugated pipe for connecting gas appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218972088U true CN218972088U (en) | 2023-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222187075.8U Active CN218972088U (en) | 2022-08-18 | 2022-08-18 | Novel stainless steel corrugated pipe for connecting gas appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218972088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928476A (en) * | 2023-09-15 | 2023-10-24 | 宁波市昕伊达能源设备制造有限公司 | Stainless steel corrugated pipe for compression type fuel gas |
-
2022
- 2022-08-18 CN CN202222187075.8U patent/CN218972088U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928476A (en) * | 2023-09-15 | 2023-10-24 | 宁波市昕伊达能源设备制造有限公司 | Stainless steel corrugated pipe for compression type fuel gas |
| CN116928476B (en) * | 2023-09-15 | 2023-12-22 | 宁波市昕伊达能源设备制造有限公司 | Stainless steel corrugated pipe for compression type fuel gas |
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