CN117231830B - But quick connect's stainless steel bellows for gas - Google Patents

But quick connect's stainless steel bellows for gas Download PDF

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Publication number
CN117231830B
CN117231830B CN202311477062.7A CN202311477062A CN117231830B CN 117231830 B CN117231830 B CN 117231830B CN 202311477062 A CN202311477062 A CN 202311477062A CN 117231830 B CN117231830 B CN 117231830B
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ring
connector
corrugated pipe
driving
clamping block
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CN117231830A (en
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应旭美
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Ningbo Xinyida Energy Equipment Manufacture Co ltd
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Ningbo Xinyida Energy Equipment Manufacture Co ltd
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Abstract

The invention relates to the technical field of corrugated pipe joints, in particular to a quickly-connected stainless steel corrugated pipe for fuel gas, which comprises a connector, a first sealing ring, a corrugated pipe body, a first clamping block and a locking driving piece, wherein the connector is provided with a first channel and a second channel which are coaxial, a stepped groove is formed between the first channel and the second channel, the first sealing ring is coaxially arranged at the stepped groove, one end of the corrugated pipe body penetrates through the first channel and is abutted against the first sealing ring, a first mounting groove is arranged on the connector, the first clamping block is slidably arranged in the first mounting groove along the first channel, the first clamping block is provided with a tooth block, the tooth block is provided with a first driving inclined surface, when the first driving inclined surface is abutted against an outer crest of the corrugated pipe body, the corrugated pipe body is abutted against the first sealing ring along the axial direction of the corrugated pipe body, the locking driving piece is slidably arranged on the outer circumferential surface of the connector, and the locking driving piece is in transmission connection with the first clamping block.

Description

But quick connect's stainless steel bellows for gas
Technical Field
The invention relates to the technical field of corrugated pipe joints, in particular to a stainless steel corrugated pipe capable of being connected quickly for fuel gas.
Background
In the use of gas, it is often necessary to disassemble and connect the gas lines. In order to achieve the rapidness and safety of the gas pipeline connection and disassembly operation, a rapid joint is required, the existing corrugated pipe rapid joint is required to be rotated to achieve sealing, however, in the actual use process, some users forget to lock the lock nut and the joint or do not screw the lock nut and the joint in place, so that gas leakage is caused, and the gas leakage is dangerous. The quick connector has certain potential safety hazards.
Chinese patent application CN103244773B provides a bellows quick-operation joint for gas transportation, belongs to joint technical field. The quick connector solves the problem that the gas leakage is easy to cause when the existing quick connector is used. This quick-operation joint is including being the connector of tube-shape, and during the installation, the tip cover of bellows has sealing washer, and the cover still is equipped with holding ring, safety buckle, lock nut in proper order on the bellows and be located one side of sealing washer, and the holding ring can link firmly with the bellows axial, and the one end of holding ring supports the one end that leans on sealing washer, and safety buckle is the tube-shape and overlaps the other end of establishing at the holding ring, and the lateral wall of safety buckle is equipped with joint portion, and the inner wall of connector is equipped with annular groove, and joint portion inlays in annular groove when lock nut links to each other with the connector.
This quick-operation joint establishes safety buckle and holding ring through the cover on the bellows, and after the installation is accomplished, the joint portion embedding connector on the safety buckle is in the annular groove of connector, at this moment, even forget locking nut and connector looks locking, also can not lead to the gas to reveal, and this quick-operation joint still needs to establish safety buckle and holding ring cover on the bellows after install again, and comparatively loaded down with trivial details, and still need with lock nut and connector relative rotation, and then can't realize quick rotation.
Disclosure of Invention
To above-mentioned problem, but provide a nonrust corrugated steel pipe for quick connect's gas, through set up a plurality of first fixture block on the connector for the bellows body is after inserting in the connector, through relative connector slip locking driving piece, make first fixture block can imbed in the outer trough of bellows body, simultaneously because of the gomphosis effect of first fixture block, the one end of bellows body can closely laminate through the ladder groove in first sealing washer and the connector, so can effectively prevent to leak, easy operation can realize quick butt joint simultaneously.
In order to solve the problems in the prior art, the invention provides a quick-connection stainless steel corrugated pipe for fuel gas, which comprises a connector, a first sealing ring, a corrugated pipe body, a first clamping block and a locking driving piece, wherein the connector is provided with a first channel and a second channel which are coaxial, a stepped groove is formed between the first channel and the second channel, the first sealing ring is coaxially arranged at the stepped groove, one end of the corrugated pipe body passes through the first channel and is abutted to the first sealing ring, the connector is further provided with first mounting grooves distributed along the circumferential direction of the connector, the first clamping block is arranged in the first mounting grooves in a sliding manner along the radial direction of the first channel, the first clamping block is provided with a tooth block which can be inserted into the outer corrugated pipe body in the radial direction, the tooth block is provided with a first driving inclined surface, when the first driving inclined surface is abutted to the outer crest of the corrugated pipe body, the corrugated pipe body is abutted to the first sealing ring along the axial direction of the first sealing ring, the locking driving piece is arranged on the outer circumferential surface of the connector in a sliding manner, and the first clamping block is connected with the first clamping block when the first clamping block is connected.
Preferably, the stainless steel corrugated pipe further comprises an inner tight ring and a second sealing ring, the inner tight ring is coaxially and slidingly arranged in the first channel, the inner tight ring faces towards one end of the stepped groove, a conical surface is arranged at the other end of the inner tight ring, a clamping ring coaxial with the inner tight ring is arranged at the other end of the inner tight ring, one end of the corrugated pipe body is sleeved on the clamping ring, the first sealing ring is arranged between the corrugated pipe body and the inner tight ring, the second sealing ring is sleeved on the outer circumferential surface of the inner tight ring, and the second sealing ring is in interference fit with the inner wall of the first channel.
Preferably, the stainless steel corrugated pipe further comprises a safety hoop and a locking head, the safety hoop is arranged in the connector and sleeved on a wave groove of the corrugated pipe body, the locking head is sleeved on the corrugated pipe body and in threaded connection with the connector, the locking head is abutted to one end of the safety hoop, and a third nut coaxial with the locking head is further arranged at the outer end of the outer circumferential surface of the locking head.
Preferably, the safety collar has an elastic ring, and elastic pieces distributed along the circumference of the elastic ring, the elastic pieces extending in a direction oblique to the axis of the elastic ring, the elastic pieces being elastically abutted on one side of the peaks and valleys of the corrugations Guan Benti.
Preferably, the inner wall of the first channel is provided with a cylindrical groove, the locking head is in threaded connection with the cylindrical groove, and the stainless steel corrugated pipe further comprises a spring, and the spring is arranged between the elastic ring and the inner end of the cylindrical groove.
Preferably, the outer circumferential surface of the connector is provided with a first abutting surface and a second abutting surface; a notch is formed in one end of the first clamping block, and the top end of the notch is inclined to form a second driving inclined plane; the locking driving piece comprises a sliding cylinder and a first disc spring, the sliding cylinder is coaxially and slidingly arranged on the outer circumferential surface of the connector, a driving cylinder coaxial with the sliding cylinder is arranged on the inner circumference of the sliding cylinder, the driving cylinder can be abutted on the second driving inclined surface, and the first disc spring is arranged between the first abutting surface and the sliding cylinder.
Preferably, the locking driving piece further comprises an inner abutting ring and a second disc spring, wherein the inner abutting ring is coaxially and slidably arranged in the sliding cylinder, the inner abutting ring is provided with a third driving inclined surface capable of being abutted to the outer side of the first clamping block, and the second disc spring is arranged between the inner abutting ring and the inner end of the sliding cylinder.
Preferably, the locking driving piece further comprises a second clamping block, a poking ring and a third disc spring, a second mounting groove distributed along the circumferential direction of the sliding barrel is formed in the sliding barrel, a third abutting surface is further formed in one end of the outer circumferential surface of the sliding barrel, the second clamping block is arranged in the second mounting groove in a sliding mode along the radial direction of the sliding barrel, a driving shaft is arranged on the second clamping block, the poking ring is coaxially arranged on the outer circumferential surface of the sliding barrel in a sliding mode, a driving chute is arranged at the inner end of the poking ring, the driving shaft penetrates through the driving chute and is in sliding fit with the driving chute, the third disc spring is arranged between the third abutting surface and the poking ring, and the second clamping block is abutted to one end of the inner abutting ring.
Preferably, the sliding cylinder comprises a cylinder body and a cover ring, one end of the cylinder body is provided with a connecting ring, the driving cylinder is coaxially arranged on the inner circumferential surface of the connecting ring, one end of the cover ring is provided with a threaded cylinder, the threaded cylinder is in threaded connection with one end of the cylinder body, and the second disc spring is arranged between the cover ring and the inner abutting ring.
Preferably, one end of the outer circumferential surface of the connector is provided with a first nut coaxial with the connector, and one end of the first nut forms a first abutting surface; the one end of connector outer peripheral face still is provided with the first nut rather than threaded connection, the slip section of thick bamboo sets up between first nut and second nut slidingly, first dish spring is located between first nut and the slip section of thick bamboo.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the plurality of first clamping blocks are arranged on the connecting head, before the corrugated pipe is inserted into the connecting head, the locking driving piece is slid relative to the connecting head, so that the first clamping blocks are far away from the axis of the connecting head, then the corrugated pipe body is inserted into the connecting head, and the locking driving piece drives the first clamping blocks to reset, so that the first clamping blocks can be embedded into the outer trough of the corrugated pipe body, meanwhile, the first driving inclined surface of the first clamping blocks is abutted against the outer crest of the corrugated pipe body, and one end of the corrugated pipe body can be tightly attached to the stepped groove in the connecting head through the first sealing ring, so that leakage can be effectively prevented, and meanwhile, the operation is simple, and rapid butt joint can be realized.
Drawings
Fig. 1 is a perspective view of a quick-connect stainless steel bellows for gas.
Fig. 2 is a perspective cross-sectional view of a quick-connect stainless steel bellows for gas.
Fig. 3 is a cross-sectional view of a quick-connect stainless steel bellows for gas.
Fig. 4 is a partial enlarged view at a of fig. 3.
Fig. 5 is a partial enlarged view at B of fig. 3.
Fig. 6 is an exploded perspective view of a quick connect safety collar and locking head in a stainless steel bellows for gas.
Fig. 7 is a partially exploded perspective view of a quick-connect stainless steel bellows for gas.
Fig. 8 is a partially exploded perspective view of a first latch and a latch driver in a quick-connect stainless steel bellows for fuel gas.
Fig. 9 is an exploded perspective view of a quick-connect dial ring in a stainless steel bellows for gas.
Fig. 10 is an exploded perspective view of a connector and a first clip in a quick-connect stainless steel bellows for fuel gas.
The reference numerals in the figures are: 1-a connector; 11-a first nut; 12-a second nut; 13-step grooves; 2-a first sealing ring; 3-a bellows body; 4-a first clamping block; 5-locking the driving member; 51-a sliding cylinder; 511-a drive cylinder; 512-limit ferrule; 513-barrels; 514-cover ring; 5141-a threaded cylinder; 515-connecting ring; 52-a first disc spring; 53-inner abutment ring; 54-a second disc spring; 55-a second clamping block; 551-drive shaft; 56-a dial ring; 561-fixed cylinder; 5611-first triangle; 562-a stationary cover; 5621-second triangle; 563-drive chute; 57-a third disc spring; 61-an inner tight loop; 611-snap ring; 62-a second seal ring; 71-a safety collar; 711-elastic ring; 712-elastic sheet; 72-locking head; 721-a third nut; 73-spring.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
As shown in fig. 1, 2, 3 and 10, the present invention provides:
the utility model provides a but quick connect's stainless steel bellows for gas, its characterized in that includes connector 1, first sealing washer 2, bellows body 3, first fixture block 4 and locking driving piece 5, connector 1 has coaxial first passageway and second passageway, form ladder groove 13 between first passageway and the second passageway, first sealing washer 2 coaxially sets up ladder groove 13 department, the one end of bellows body 3 passes first passageway and butt is in on the first sealing washer 2, still be provided with on the connector 1 along its circumference distribution's first mounting groove, first fixture block 4 follows the radial sliding of first passageway sets up in the first mounting groove, first fixture block 4 has the tooth piece that can radially peg graft in the outer wave groove of bellows body 3, the tooth piece has first drive inclined plane, first drive inclined plane butt is in when the outer crest of bellows body 3, bellows body 3 passes first passageway and butt on first sealing washer 2, locking piece 4 follows the radial sliding of first fixture block 4 sets up when the locking piece 5 the locking piece is in on the connector 1 the locking piece is in the radial sliding connection.
Peeling off the outer protective layer of bellows body 3 one end, make it expose the ripple section, when using, relative connector 1 slip locking driving piece 5, make locking driving piece 5 drive the axis that all first fixture blocks 4 kept away from connector 1, peg graft the ripple section in first passageway, make the one end of ripple section pass through first sealing washer 2 butt in ladder groove 13, then locking driving piece 5 drives first fixture block 4 and reset, make first fixture block 4 imbed in the outer trough of ripple section, simultaneously because the tip of first fixture block 4 is provided with the tooth piece that has first inclined plane, make butt inclined plane butt on the outer crest of ripple section, make the one end of ripple section can hug closely in the one end of first sealing washer 2, thereby realize the leakproofness of bellows body 3 and connector 1, with this quick butt joint that realizes bellows body 3.
In this embodiment, through setting up a plurality of first fixture block 4 on connector 1, before inserting the connector 1 with the bellows, the relative connector 1 slides locking driving piece 5, make first fixture block 4 keep away from the axis of connector 1, then the bellows body 3 is after inserting in connector 1, locking driving piece 5 drives first fixture block 4 and resets, make first fixture block 4 can imbed in the outer trough of bellows body 3, simultaneously because of the first drive inclined plane butt of first fixture block 4 on the outer crest of bellows body 3, the one end of bellows body 3 can closely laminate with the ladder groove 13 in the connector 1 through first sealing washer 2, in order to this can effectively prevent to leak, easy operation simultaneously, thereby realize quick butt joint.
As shown in fig. 3 and 5, the stainless steel corrugated pipe further comprises an inner tight ring 61 and a second sealing ring 62, the inner tight ring 61 is coaxially and slidably arranged in the first channel, one end of the inner tight ring 61 facing the stepped groove 13 is provided with a conical surface, the other end of the inner tight ring 61 is provided with a clamping ring 611 coaxial with the inner tight ring, one end of the corrugated pipe body 3 is sleeved on the clamping ring 611, the first sealing ring 2 is arranged between the corrugated pipe body 3 and the inner tight ring 61, the second sealing ring 62 is sleeved on the outer circumferential surface of the inner tight ring 61, and the second sealing ring 62 is in interference fit with the inner wall of the first channel.
In order to improve the tightness of the bellows body 3 and the connector 1, the inner clamping ring 61 is slidably arranged in the first channel, a gap between the outer circumferential surface of the inner clamping ring 61 and the inner wall of the first channel can be closed through the second sealing ring 62, and the bellows body 3 and the inner clamping ring 61 can be in sealing connection through the first sealing ring 2, when high-pressure fuel gas is introduced into the bellows body 3, the inner clamping ring 61 can slide in the first channel, and the fuel gas acts on the conical surface, so that the inner clamping ring 61 is tightly attached to the first sealing ring 2, and the bellows body 3 between the first clamping block 4 and the inner clamping ring 61 can be extruded, so that the tightness is further improved.
As shown in fig. 3 and 4, the stainless steel corrugated tube further comprises a safety collar 71 and a locking head 72, the safety collar 71 is arranged in the connector 1 and sleeved on the wave groove of the corrugated tube body 3, the locking head 72 is sleeved on the corrugated tube body 3 and is in threaded connection with the connector 1, the locking head 72 is abutted to one end of the safety collar 71, and a third nut 721 coaxial with the locking head 72 is further arranged at the outer end of the outer circumferential surface of the locking head 72.
In order to further improve the tightness of the connector 1 and the corrugated pipe body 3, the safety hoop member 71 is sleeved on the outer crest of the corrugated pipe body 3, the corrugated pipe is inserted into the connector 1, and the locking head 72 is rotated relative to the connector 1, so that the inner end of the locking head 72 can be abutted against the safety hoop member 71 to continuously compress the corrugated pipe, and the tightness between the end part of the corrugated pipe body 3 and the stepped groove 13 is improved.
As shown in fig. 4 and 6, the safety collar 71 has an elastic ring 711, and elastic pieces 712 circumferentially distributed along the elastic ring 711, the elastic pieces 712 extending in a direction inclined to the axis of the elastic ring 711, the elastic pieces 712 being elastically abutted against one side of the peaks and valleys of the bellows body 3.
In the initial state, the elastic ring 711 is directly arranged in the first channel, then the corrugated pipe body 3 is inserted in the first channel, the elastic piece 712 is obliquely arranged on the elastic ring 711, the elastic piece 712 can deform along the oblique direction of the elastic piece 712, the elastic piece 712 deforms and is inserted in the outer trough of the corrugated pipe body 3, then the locking head 72 is rotated relative to the connector 1, the locking head 72 drives the elastic ring 711 to move towards the direction of the stepped groove 13, the corrugated pipe body 3 between the elastic ring 711 and the stepped groove 13 can be compressed, the tightness between the corrugated pipe body 3 and the connector 1 is improved, and the corrugated pipe body 3 can be prevented from being separated from the first channel.
As shown in fig. 4 and 7, the inner wall of the first channel is provided with a cylindrical groove, the locking head 72 is in threaded connection with the cylindrical groove, and the stainless steel bellows further comprises a spring 73, and the spring 73 is arranged between the elastic ring 711 and the inner end of the cylindrical groove.
The spring 73 is arranged between the elastic ring 711 and the inner end of the cylindrical groove, so that the elastic ring 711 always abuts against the inner end of the locking head 72, thereby facilitating locking.
As shown in fig. 4, 7 and 8, the outer circumferential surface of the connector 1 is provided with a first abutting surface and a second abutting surface; a notch is formed at one end of the first clamping block 4, and the top end of the notch is inclined to form a second driving inclined plane; the locking driving member 5 comprises a sliding cylinder 51 and a first disc spring 52, the sliding cylinder 51 is coaxially and slidably arranged on the outer circumferential surface of the connector 1, a driving cylinder 511 coaxial with the sliding cylinder 51 is arranged on the inner circumference of the sliding cylinder 51, the driving cylinder 511 can be abutted on the second driving inclined surface, and the first disc spring 52 is arranged between the first abutting surface and the sliding cylinder 51.
When the novel corrugated pipe connecting device is used, the sliding barrel 51 is pulled towards the first abutting surface relative to the connecting head 1, the elastic force of the first disc spring 52 is overcome by the sliding barrel 51, the driving barrel 511 inside the sliding barrel 51 can be abutted to the second driving inclined surface along the axial direction of the driving barrel, under the action of the second driving inclined surface, the first clamping block 4 can be far away from the axis of the connecting head 1 along the radial direction of the connecting head 1, the corrugated pipe body 3 can be inserted into the first channel, when one end of the corrugated pipe body 3 is abutted to the first sealing ring 2, the sliding barrel 51 is loosened, when the first driving inclined surface does not have acting force, the first clamping block 4 is reset and is close to the axis of the connecting head 1 along the radial direction of the connecting head 1, the inclined surface of the tooth block can be abutted to the outer crest of the corrugated pipe body 3, and one end of the corrugated pipe body 3 can be tightly attached to the first sealing ring 2.
As shown in fig. 4, the locking driving member 5 further includes an inner abutment ring 53 and a second disc spring 54, the inner abutment ring 53 is coaxially slidably disposed in the sliding cylinder 51, the inner abutment ring 53 has a third driving inclined surface that can abut on the outer edge of the first clamping block 4, and the second disc spring 54 is disposed between the inner abutment ring 53 and the inner end of the sliding cylinder 51.
In order to enable the first clamping block 4 to stably reset, the inner abutting ring 53 is slidably arranged in the sliding cylinder 51, and the second disc spring 54 can be arranged at one end of the inner abutting ring 53, when the second driving inclined plane of the first clamping block 4 is free from acting force, the inner abutting ring 53 can be abutted to the other end of the first clamping block 4 under the action of the second disc spring 54, and the first clamping block 4 can be stably abutted to the outer crest of the corrugated pipe body 3.
As shown in fig. 4 and 9, the locking driving member 5 further includes a second clamping block 55, a toggle ring 56 and a third disc spring 57, a second mounting groove distributed along the circumferential direction of the sliding cylinder 51 is provided on the sliding cylinder 51, one end of the outer circumferential surface of the sliding cylinder 51 is further provided with a third abutment surface, the second clamping block 55 is slidably disposed in the second mounting groove along the radial direction of the sliding cylinder 51, a driving shaft 551 is provided on the second clamping block 55, the toggle ring 56 is coaxially slidably disposed on the outer circumferential surface of the sliding cylinder 51, a driving chute 563 is provided at the inner end of the toggle ring 56, the driving shaft 551 passes through the driving chute 563 and is slidably engaged with the driving chute 563, the third disc spring 57 is disposed between the third abutment surface and the toggle ring 56, and the second clamping block 55 abuts against one end of the inner abutment ring 53.
An annular groove is formed in the outer circumferential surface of the sliding cylinder 51, a limiting hoop 512 is sleeved on the annular groove, and the stirring ring 56 is arranged between the third abutting surface and the hoop.
The dial ring 56 comprises a fixed cylinder 561 and a fixed cover 562, wherein a first triangle 5611 is arranged at the inner end of the fixed cylinder 561, the fixed cover 562 is arranged at the inner end of the fixed cylinder 561, a second triangle 5621 is arranged at the fixed end, and a driving chute 563 is formed between the inclined surfaces of the first triangle 5611 and the second triangle 5621.
In order to lock the position of the first clamping block 4, the bellows body 3 is prevented from being separated from the limit of the first clamping block 4, when the sliding cylinder 51 is moved, the poking ring 56 needs to be moved first, so that the poking ring 56 overcomes the elastic force of the third disc spring 57 and slides on the outer circumferential surface of the sliding cylinder 51, the driving shaft 551 on the second clamping block 55 slides on the driving chute 563 in the poking ring 56, further the clamping block can withdraw from one end of the inner abutting ring 53, so that the inner abutting ring 53 can move in the sliding cylinder 51, further when the sliding cylinder 51 is moved, the driving cylinder 511 can drive the first clamping block 4 to move, and when the sliding cylinder 51 is reset, the poking ring 56 is reset, the second clamping block 55 is clamped at one end of the inner abutting ring 53 under the action of the third disc spring 57, so that the inner abutting ring 53 cannot slide in the sliding cylinder 51, meanwhile, the first clamping block 4 cannot slide on the mounting groove, and the connection stability of the connector 1 and the bellows body 3 is further improved.
As shown in fig. 4, the sliding drum 51 includes a drum 513 and a cover ring 514, one end of the drum 513 is provided with a connection ring 515, the driving drum 511 is coaxially disposed on an inner circumferential surface of the connection ring 515, one end of the cover ring 514 is provided with a screw drum 5141, the screw drum 5141 is screw-coupled with one end of the drum 513, and the second disc spring 54 is disposed between the cover ring 514 and the inner abutment ring 53.
Drive drum 511 and drum 513 are connected by connecting ring 515 by placing drum 513 on connector 1 so that drum 513 can slide with drive drum 511 when slid, and cap ring 514 is placed at one end of drum 513 by threaded drum 5141 so that inner abutment ring 53 and second disc spring 54 are placed within sliding drum 51.
As shown in fig. 2 and 3, one end of the outer circumferential surface of the connector 1 is provided with a first nut 11 coaxial with the connector, and one end of the first nut 11 forms a first abutting surface; the outer circumferential surface of the connector 1 is further provided with a first nut 11 in threaded connection with the connector, the sliding cylinder 51 is slidably arranged between the first nut 11 and the second nut 12, and the first disc spring 52 is located between the first nut 11 and the sliding cylinder 51.
By providing the first nut 11 and the second nut 12 on the outer circumferential surface of the joint head 1, manual operation or rotation is facilitated. While facilitating its installation in any location.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.

Claims (5)

1. The utility model provides a but quick connect's stainless steel bellows for gas, its characterized in that includes connector (1), first sealing washer (2), bellows body (3), first fixture block (4) and locking driver (5), connector (1) have coaxial first passageway and second passageway, form ladder groove (13) between first passageway and the second passageway, first sealing washer (2) set up coaxially ladder groove (13) department, the one end of bellows body (3) is passed first passageway and is butt-jointed on first sealing washer (2), still be provided with on connector (1) along its circumference first mounting groove that distributes, first fixture block (4) are along the radial slip of first passageway sets up in first mounting groove, first fixture block (4) have can radially peg graft in the tooth piece in the ripple body (3) outer wave groove, tooth piece has first drive inclined plane, first drive inclined plane butt-joint is in when bellows body (3) the one end is passed first passageway and is butt-jointed on first sealing washer (2), still be provided with along its circumference of first fixture block (4) is along the radial slip of first fixture block (3) is set up in first mounting groove, the locking driver (5) is in the axial direction is followed when connecting on connector (1) the locking driver (5), the first clamping block (4) releases the corrugated pipe;
the stainless steel corrugated pipe further comprises an inner tight ring (61) and a second sealing ring (62), wherein the inner tight ring (61) is coaxially and slidingly arranged in the first channel, one end of the inner tight ring (61) facing the stepped groove (13) is provided with a conical surface, the other end of the inner tight ring (61) is provided with a clamping ring (611) coaxial with the inner tight ring, one end of the corrugated pipe body (3) is sleeved on the clamping ring (611), the first sealing ring (2) is arranged between the corrugated pipe body (3) and the inner tight ring (61), the second sealing ring (62) is sleeved on the outer circumferential surface of the inner tight ring (61), and the second sealing ring (62) is in interference fit with the inner wall of the first channel;
the outer circumferential surface of the connector (1) is provided with a first abutting surface and a second abutting surface; a notch is formed in one end of the first clamping block (4), and the top end of the notch is inclined to form a second driving inclined plane; the locking driving piece (5) comprises a sliding cylinder (51) and a first disc spring (52), the sliding cylinder (51) is coaxially and slidably arranged on the outer circumferential surface of the connector (1), a driving cylinder (511) coaxial with the sliding cylinder (51) is arranged on the inner circumference of the sliding cylinder (51), the driving cylinder (511) can be abutted on the second driving inclined surface, and the first disc spring (52) is arranged between the first abutting surface and the sliding cylinder (51);
the locking driving piece (5) further comprises an inner abutting ring (53) and a second disc spring (54), wherein the inner abutting ring (53) is coaxially and slidably arranged in the sliding cylinder (51), the inner abutting ring (53) is provided with a third driving inclined surface capable of being abutted on the outer side of the first clamping block (4), and the second disc spring (54) is arranged between the inner abutting ring (53) and the inner end of the sliding cylinder (51);
the locking driving piece (5) further comprises a second clamping block (55), a stirring ring (56) and a third disc spring (57), a second mounting groove distributed along the circumferential direction of the sliding barrel (51) is formed in the sliding barrel (51), a third abutting surface is further formed at one end of the outer circumferential surface of the sliding barrel (51), the second clamping block (55) is slidably arranged in the second mounting groove along the radial direction of the sliding barrel (51), a driving shaft (551) is arranged on the second clamping block (55), the stirring ring (56) is coaxially and slidably arranged on the outer circumferential surface of the sliding barrel (51), a driving chute (563) is arranged at the inner end of the stirring ring (56), the driving shaft (551) penetrates through the driving chute (563) and is in sliding fit with the driving chute, the third disc spring (57) is arranged between the third abutting surface and the stirring ring (56), and the second clamping block (55) abuts against one end of the inner abutting ring (53);
the sliding drum (51) comprises a drum body (513) and a cover ring (514), a connecting ring (515) is arranged at one end of the drum body (513), the driving drum (511) is coaxially arranged on the inner circumferential surface of the connecting ring (515), a threaded drum (5141) is arranged at one end of the cover ring (514), the threaded drum (5141) is in threaded connection with one end of the drum body (513), and the second disc spring (54) is arranged between the cover ring (514) and the inner abutting ring (53).
2. The quick-connection stainless steel corrugated pipe for fuel gas according to claim 1, wherein the stainless steel corrugated pipe further comprises a safety hoop (71) and a locking head (72), the safety hoop (71) is arranged in the connector (1) and sleeved on a wave groove of the corrugated pipe body (3), the locking head (72) is sleeved on the corrugated pipe body (3) and is in threaded connection with the connector (1), the locking head (72) is abutted to one end of the safety hoop (71), and a third nut (721) coaxial with the locking head (72) is further arranged at the outer end of the outer circumferential surface of the locking head (72).
3. A quick-connect stainless steel corrugated tube for gas according to claim 2, characterized in that the safety collar (71) has an elastic ring (711) and elastic pieces (712) circumferentially distributed along the elastic ring (711), the elastic pieces (712) extending in a direction oblique to the axis of the elastic ring (711), the elastic pieces (712) being elastically abutted against one side of the peaks and valleys of the corrugated tube body (3).
4. A quick-connect stainless steel corrugated tube for gas according to claim 3, wherein the inner wall of the first passage is provided with a cylindrical groove, the locking head (72) is screwed with the cylindrical groove, the stainless steel corrugated tube further comprises a spring (73), and the spring (73) is arranged between the elastic ring (711) and the inner end of the cylindrical groove.
5. The quick-connection stainless steel corrugated pipe for fuel gas according to claim 1, wherein one end of the outer circumferential surface of the connector (1) is provided with a first nut (11) coaxial therewith, and one end of the first nut (11) forms a first abutting surface; one end of the outer circumferential surface of the connector (1) is further provided with a second nut (12) in threaded connection with the connector, the sliding cylinder (51) is slidably arranged between the first nut (11) and the second nut (12), and the first disc spring (52) is located between the first nut (11) and the sliding cylinder (51).
CN202311477062.7A 2023-11-08 2023-11-08 But quick connect's stainless steel bellows for gas Active CN117231830B (en)

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JPH0932985A (en) * 1995-07-18 1997-02-07 Hitachi Metals Ltd Coupling to interconnect corrugated pipes
CN205331639U (en) * 2016-01-07 2016-06-22 芜湖泰和管业股份有限公司 Quick erection joint of bellows for gas
CN107631113A (en) * 2017-11-08 2018-01-26 南京工程学院 A kind of oil connection of Fast Installation dismounting
JP2019132304A (en) * 2018-01-29 2019-08-08 日東工器株式会社 Pipe joint
CN112555539A (en) * 2020-12-25 2021-03-26 常州同敏机械科技有限公司 Split quick-insertion type hose connector
CN213089034U (en) * 2020-07-15 2021-04-30 邱强生 Metal thread pipe joint
CN213394041U (en) * 2020-07-10 2021-06-08 宁波杭甬管业有限公司 Quick joint for pipeline
CN215488154U (en) * 2021-09-14 2022-01-11 浙江瑞拓自动化有限公司 Automatic withhold formula pneumatic connector
CN216279955U (en) * 2021-11-22 2022-04-12 江苏中特气体设备有限公司 Tetrafluoro hose with easily-disassembled flange plate
CN216643423U (en) * 2022-01-19 2022-05-31 安徽源锂高新材料有限公司 Corrugated pipe threaded cylinder connecting structure
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

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5080405A (en) * 1990-07-10 1992-01-14 Nitto Kohki Co., Ltd. Corrugated pipe coupling
JPH0932985A (en) * 1995-07-18 1997-02-07 Hitachi Metals Ltd Coupling to interconnect corrugated pipes
CN205331639U (en) * 2016-01-07 2016-06-22 芜湖泰和管业股份有限公司 Quick erection joint of bellows for gas
CN107631113A (en) * 2017-11-08 2018-01-26 南京工程学院 A kind of oil connection of Fast Installation dismounting
JP2019132304A (en) * 2018-01-29 2019-08-08 日東工器株式会社 Pipe joint
CN213394041U (en) * 2020-07-10 2021-06-08 宁波杭甬管业有限公司 Quick joint for pipeline
CN213089034U (en) * 2020-07-15 2021-04-30 邱强生 Metal thread pipe joint
CN112555539A (en) * 2020-12-25 2021-03-26 常州同敏机械科技有限公司 Split quick-insertion type hose connector
CN215488154U (en) * 2021-09-14 2022-01-11 浙江瑞拓自动化有限公司 Automatic withhold formula pneumatic connector
CN216279955U (en) * 2021-11-22 2022-04-12 江苏中特气体设备有限公司 Tetrafluoro hose with easily-disassembled flange plate
CN216643423U (en) * 2022-01-19 2022-05-31 安徽源锂高新材料有限公司 Corrugated pipe threaded cylinder connecting structure
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

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