CN109780349B - Prevent leaking gas pipeline flange - Google Patents
Prevent leaking gas pipeline flange Download PDFInfo
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- CN109780349B CN109780349B CN201910238069.0A CN201910238069A CN109780349B CN 109780349 B CN109780349 B CN 109780349B CN 201910238069 A CN201910238069 A CN 201910238069A CN 109780349 B CN109780349 B CN 109780349B
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Abstract
The invention belongs to the technical field of flanges, and particularly relates to a leakage-proof gas pipeline flange which comprises a left flange, a right flange, a locking module and a sealing module; the left flange and the right flange are arranged oppositely, a plurality of bolts are arranged between the left flange and the right flange, hexagonal nuts are arranged at the tail parts of the bolts, a first gear is fixedly connected onto the hexagonal nuts, a sealing module is arranged between the left flange and the right flange, and a locking module is arranged on the left flange. According to the invention, the weight block pushes the rocker to move up and down by utilizing the vibration of the pipe body, so that the rotating disc rotates, the rotating disc enables the second gear to rotate in a single direction through the shifting block and the right-angle groove, and the second gear screws the hexagon nut again through the first gear, so that the automatic locking efficiency of the hexagon nut is improved, and the sealing efficiency is improved; utilize two annular sealing sacs to extrude each other, the inside plasticine of two annular sealing sacs flows, fills the gap between left flange, right flange and the body, has effectively improved the sealed effect of body.
Description
Technical Field
The invention belongs to the technical field of flanges, and particularly relates to a leakage-proof gas pipeline flange.
Background
Pipe flanges are typically discs or rings that form an outer rim at the end of a pipe, which is used to join one pipe to another pipe or pipe fitting. The flange typically has a series of bolt holes disposed around its periphery to allow for the fastening of pipes at the joint. A flanged joint refers to the connection of two pipes end to end, wherein the connecting parts each have a flange that bolts the ends of the pipes together. Typically, rubber gaskets are provided between the faces of the adjoining flanges of the flange joint. It is important that the faces of the abutting flanges are as smooth and flat as possible to ensure a correct seal at the joint. When the existing rubber gasket is contacted with a flange, a small gap is easy to appear.
Some technical solutions of the pipeline flange also appear in the prior art, for example, a chinese patent with application number 2018108870311 discloses a pipeline flange, which includes a first flange and a second flange, wherein one end face of the first flange is provided with a first connector, and one end face of the second flange is provided with a second connector connected with the first connector; the end face of the interface of the first connector is provided with a conical groove, and the end face of the interface of the second connector is provided with a conical bulge which can be accommodated in the conical groove; a first annular opening is formed in the surface of the interface of the first connector, a second annular opening is formed in the surface of the interface of the second connector, and the first annular opening and the second annular opening are connected to form an annular groove; still include the sealing ring, the kneck of first connector and second connector is located to the sealing ring cover, and is equipped with the sealed arch that can the holding in the ring channel on the inner wall of sealing ring.
Although the technical scheme has the characteristics of simple structure, good sealing effect, high safety and the like. However, when the pipe body of the pipeline flange is vibrated, bolts at the connecting positions of the two flanges are easy to loosen, so that the flanges are loosened, and the pipeline is leaked.
Disclosure of Invention
In order to make up for the defects of the prior art, the anti-leakage gas pipeline flange provided by the invention has the advantages that the weight block pushes the rocker to move up and down by utilizing the vibration of the pipe body, so that the rotating disc rotates, the rotating disc enables the second gear to rotate in a single direction through the shifting block and the right-angle groove, and the second gear screws the hexagon nut again through the first gear, so that the automatic locking efficiency of the hexagon nut is improved, and the sealing efficiency is improved; utilize two annular sealing sacs to extrude each other, the inside plasticine of two annular sealing sacs flows, fills the gap between left flange, right flange and the body, has effectively improved the sealed effect of body.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a leakage-proof gas pipeline flange which comprises a left flange, a right flange, a locking module and a sealing module; the left flange and the right flange are oppositely arranged, a plurality of bolts are arranged between the left flange and the right flange, hexagonal nuts are arranged at the tail parts of the bolts, a first gear is fixedly connected onto the hexagonal nuts, a sealing module is arranged between the left flange and the right flange, and a locking module is arranged on the left flange; the locking module is used for screwing the hexagonal nut when the left flange and the right flange vibrate; wherein the content of the first and second substances,
the locking module comprises a protective shell, a sliding pipe, a heavy block, a rocker, a rotating disc and a second gear; the protective shells are arranged at positions corresponding to the hexagon nuts respectively, the protective shells are fixedly connected with the side face of the left flange, the top of the inner side of each protective shell is fixedly connected with a sliding pipe, and a second gear is rotatably connected to the position, corresponding to the first gear, of the inner side of each protective shell; the inner part of the sliding tube is connected with a heavy block in a sliding manner, extrusion springs are fixedly connected between the top and the bottom of the heavy block and the inner wall of the sliding tube, and the bottom of the heavy block is rotatably connected with a rocker; a rotating disc is arranged on the inner side of the second gear, the second gear is meshed with the first gear, and a plurality of right-angle grooves are formed in the inner side of the second gear; the outside of rolling disc corresponds right-angle groove position department and is provided with a plurality of shifting blocks, and the rolling disc is used for driving No. two gear unidirectional rotation, and the side of rolling disc is kept away from central point and is put the department and rotate with the bottom of rocker and be connected. When the device works, the left flange is connected with a port of one pipe body, the right flange is connected with a port of the other pipe body, then the left flange and the right flange are fixedly connected through bolts and the hexagon nut, at the moment, the sealing module seals a gap between the left flange and the right flange, when the pipe body vibrates, the hexagon nut is loosened, meanwhile, the weight block moves up and down on the inner side of the sliding pipe, when the weight block pushes the rocker to move down, the bottom end of the rocker pushes the rotating disc to rotate anticlockwise, the shifting block on the rotating disc is in contact with one side of a right-angle groove in the inner side of the second gear, so that the second gear is pushed to rotate anticlockwise, the first gear is driven to rotate by the second gear, so that the hexagon nut is screwed again, when the weight block drives the rocker to move up under the action of the extrusion spring, the bottom end of the rocker drives the rotating disc to rotate clockwise, at the moment, one, the shifting block rotates to and separates with the right angle groove, can keep No. two gear positions unchangeable when the rolling disc reversal like this to make hexagon nut automatic locking, effectively improve hexagon nut's fixed effect, make to connect between left flange and the right flange closely, the protecting crust carries out safety protection, and the sliding distance of pouring weight is less than the radius of rolling disc, can make the bottom of rocker be located same one side of rolling disc central point department of putting like this, improve No. two gear efficiency of screwing the hex bolts.
Preferably, an extrusion air bag is arranged on one side, located on the shifting block, of the rotating disc, a U-shaped flexible shaft is arranged on the other side, located on the shifting block, of the rotating disc, two ends of the U-shaped flexible shaft are fixedly connected with buffer springs, one buffer spring is fixedly connected with one end of one side of the shifting block, and the other buffer spring is fixedly connected with the other end of one side of the shifting block; a cavity is formed in the shifting block, the inner side of the cavity is connected with a telescopic block in a sliding mode, and a gap between the cavity and the piston end of the telescopic block is communicated with the extrusion air bag through an air passage; when the telescopic block is contacted with one side of the right-angle groove, the shifting block leads the air between the piston end of the telescopic block and the cavity into the interior of the extrusion air bag, the extrusion air bag extends, at the moment, a buffer spring connected with one end of the shifting block on the U-shaped flexible shaft is in a stretching state, a buffer spring at the other end is in a compressing state, the shifting block and the rotating disc can be buffered, when the rotating disc rotates reversely, the buffer spring in the stretching state enables the shifting block to rotate reversely, the shifting block extrudes the extrusion air bag, the air in the extrusion air bag leads the gap between the telescopic block and the cavity, the telescopic block slides towards the direction of the shifting block, the contact length between the telescopic block and the right-angle groove is reduced, the acting time of the shifting block on the second gear during the rotation of the rotating disc is reduced, the second gear is kept in a static state, and the buffer between the shifting block and the rotating disc can be buffered, the service life of the rotating disc is prolonged.
Preferably, the sealing module comprises an annular sealing bladder; the number of the annular sealing bags is two, the two annular sealing bags are respectively connected with the side surfaces of the left flange and the right flange, and plasticine is filled in the inner cavities of the two annular sealing bags; when being connected with left flange and right flange, two annular seal bags contacted each other, when the hexagon nut of screwing makes the interval between left flange and the right flange reduce, two annular seal bags extrude each other and produce and warp, and the inside plasticine of two annular seal bags flows, fills the gap between left flange, right flange and the body, has effectively improved the sealed effect of body.
Preferably, the sealing module further comprises a pressing unit; the extrusion unit comprises an annular water storage bag and an annular water absorption bag; the annular water storage bag is arranged between the left flange and the right flange, the annular water storage bag is positioned on the outer side of the annular sealing bag, two side edges of the annular water storage bag are respectively connected with the side surfaces of the left flange and the right flange, the cross section of the annular water storage bag is oval, and the annular water storage bag is communicated with the two annular water absorption bags through a guide pipe; the number of the annular water absorption bags is two, one annular water absorption bag is arranged at the connecting position of the left flange and one annular sealing bag, and the other annular water absorption bag is arranged at the connecting position of the right flange and the other annular sealing bag; when the body vibration, hexagon nut is not hard up, when making the interval increase between left flange and the right flange, annular water storage bag width increase under the pulling of left flange and right flange, the cross section because of annular water storage bag is oval, the middle part of annular water storage bag receives the pulling, water in the annular water storage bag passes through the inboard of two leading-in annular water storage bags of pipe, two annular water storage bags all expand, the expanded annular water storage bag makes two annular sealing bags keep the zonulae occludens state, can improve the sealed efficiency of annular sealing bag like this, avoid the inside gas of body to reveal, the safety factor is improved.
Preferably, an annular sponge sheet is arranged inside the annular water absorption bag; the annular sponge sheet is used for absorbing water to prevent the plasticine in the annular sealing bag from aging; when water is introduced into the annular water absorption bags, the annular sponge pieces absorb part of water, when the locking module works to enable the distance between the left flange and the right flange to be reduced again, the water in the two annular water absorption bags flows back to the inside of the annular water storage bags, and the part of water absorbed by the annular sponge pieces is uniformly distributed on the annular sponge pieces to protect plasticine inside the annular sealing bags, so that the plasticine in the annular sealing bags is prevented from being aged after being used for a long time, the service life of the plasticine is prolonged, the effective sealing period of the annular sealing bags is prolonged, and the cost is saved.
Preferably, the head of the bolt is sleeved with a ratchet wheel, and the large end of the bolt is fixedly connected with a rotating fan; a stopping claw is rotatably connected to the side surface of the right flange at a position corresponding to the ratchet wheel through a spring; the rotating fan is used for driving the bolt to rotate; a coil spring is arranged between the annular sealing bag and the annular water storage bag, one end of the coil spring is fixedly connected with the outer side of the annular sealing bag, and the other end of the coil spring is fixedly connected with one end of the pull rope; the coil spring is used for enabling the annular sealing bag to be tightened; the other end of the pull rope is wound on the rotating shaft of the adjacent rotating fan; when the pipe body vibrates to cause the bolt to be loosened, on one hand, the locking module automatically locks, on the other hand, the rotating fan is blown to rotate by external wind power, the rotating fan drives the bolt to rotate to assist in locking operation, and when the rotating fan is acted by reverse wind power, the locking pawl limits the rotating direction of the ratchet wheel, so that the unidirectional rotation of the bolt is ensured, and the self-locking efficiency of the bolt is improved; when the interval between left flange and the right flange increases, it produces the rotation to rotate the fan to receive wind-force effect, carry out the rolling to the stay cord, make the stay cord tensioning, then the other end of stay cord pulling coil spring removes to the direction of keeping away from the body, thereby make the coil spring tighten up, the coil spring that tightens up extrudees two annular seal bags, thereby make in close contact with between two annular seal bags, the inseparable degree that two annular seal bags connect has further been improved, the probability of the inside gas leakage of body has been reduced, the work efficiency of left flange and right flange is improved.
The invention has the following beneficial effects:
1. according to the invention, the weight block pushes the rocker to move up and down by utilizing the vibration of the pipe body, so that the rotating disc rotates, the rotating disc enables the second gear to rotate in a single direction through the shifting block and the right-angle groove, and the second gear screws the hexagon nut again through the first gear, so that the automatic locking efficiency of the hexagon nut is improved, and the sealing efficiency is improved; utilize flexible piece to slide in the inside of shifting block, reduce the contact length between flexible piece and the right angle groove to shifting block is in quiescent condition to No. two gear's action time when having reduced the rolling disc reversal, keeps No. two gears, improves auto-lock efficiency.
2. According to the invention, when the distance between the left flange and the right flange of the annular water storage bag is increased, water is introduced into the inner sides of the two annular water absorption bags to be expanded, and the two annular sealing bags are kept in a tight connection state by the expanded annular water absorption bags, so that the sealing efficiency of the annular sealing bags is improved, the gas leakage in the pipe body is avoided, and the safety factor is improved; utilize annular sponge piece absorption water and even distribution on annular sponge piece, protect the inside plasticine of annular seal bag, avoid the plasticine in the annular seal bag to use the back ageing for a long time, prolonged the life of plasticine.
3. The rotating fan is blown by wind power to rotate, so that the bolt is driven to rotate and screw tightly, the auxiliary locking operation is carried out, the rotation direction of the ratchet wheel is limited by the locking pawl, the unidirectional rotation of the bolt is ensured, and the self-locking efficiency of the bolt is improved; carry out the rolling to the stay cord when rotating through the rotation fan, the other end of the stay cord pulling coil spring of tensioning removes to the direction of keeping away from the body to make the coil spring tighten up, extrude two annular seal bags, further improved the inseparable degree that two annular seal bags are connected, reduced the probability that the inside gas of body was revealed, improve the work efficiency of left flange and right flange.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged, fragmentary, schematic view at B of FIG. 2 of the present invention;
FIG. 4 is an enlarged, fragmentary, schematic view at C of FIG. 1 of the present invention;
FIG. 5 is an enlarged, fragmentary, schematic view at E of FIG. 1 of the present invention;
in the figure: the device comprises a left flange 1, a right flange 2, a bolt 3, a hexagonal nut 31, a first gear 32, a stop pawl 33, a locking module 4, a protective shell 41, a sliding pipe 42, a weight 43, a rocker 44, a rotating disc 45, a shifting block 451, a telescopic block 452, an extrusion air bag 453, a U-shaped flexible shaft 454, a cavity 455, an air passage 456, a second gear 46, a right-angle groove 461, a pull rope 5, a sealing module 6, an annular sealing bag 61, an extrusion unit 62, an annular water storage bag 621, an annular water suction bag 622 and a coil spring 63.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, a leakage-proof gas pipe flange includes a left flange 1, a right flange 2, a locking module 4 and a sealing module 6; the left flange 1 and the right flange 2 are oppositely arranged, a plurality of bolts 3 are arranged between the left flange 1 and the right flange 2, hexagonal nuts 31 are arranged at the tail parts of the bolts 3, a first gear 32 is fixedly connected onto the hexagonal nuts 31, a sealing module 6 is arranged between the left flange 1 and the right flange 2, and a locking module 4 is arranged on the left flange 1; the locking module 4 is used for screwing the hexagonal nut 31 when the left flange 1 and the right flange 2 vibrate; wherein the content of the first and second substances,
the locking module 4 comprises a protective shell 41, a sliding tube 42, a weight 43, a rocker 44, a rotating disc 45 and a second gear 46; the protection shell 41 is provided with a plurality of protection shells 41, the protection shells 41 are respectively arranged at positions corresponding to the hexagon nuts 31, the protection shell 41 is fixedly connected with the side face of the left flange 1, the top of the inner side of the protection shell 41 is fixedly connected with the sliding pipe 42, and the position, corresponding to the first gear 32, of the inner side of the protection shell 41 is rotatably connected with the second gear 46; a weight 43 is connected inside the sliding tube 42 in a sliding manner, extrusion springs are fixedly connected between the top and the bottom of the weight 43 and the inner wall of the sliding tube 42, and a rocker 44 is rotatably connected at the bottom of the weight 43; a rotating disc 45 is arranged on the inner side of the second gear 46, the second gear 46 is meshed with the first gear 32, and a plurality of right-angle grooves 461 are arranged on the inner side of the second gear 46; a plurality of shifting blocks 451 are arranged on the outer side of the rotating disc 45 corresponding to the right-angle groove 461, the rotating disc 45 is used for driving the second gear 46 to rotate in a single direction, and the position, far away from the center, of the side surface of the rotating disc 45 is rotatably connected with the bottom end of the rocker 44. When the device works, the left flange 1 is connected with a port of one pipe body, the right flange 2 is connected with a port of the other pipe body, then the left flange 1 and the right flange 2 are connected and fixed through the bolt 3 and the hexagon nut 31, at the moment, the sealing module 6 seals a gap between the left flange 1 and the right flange 2, when the pipe body vibrates, the hexagon nut 31 becomes loose, meanwhile, the weight 43 moves up and down on the inner side of the sliding pipe 42, when the weight 43 pushes the rocker 44 to move down, the bottom end of the rocker 44 pushes the rotating disc 45 to rotate anticlockwise, the shifting block 451 on the rotating disc 45 is contacted with one side of the right-angle groove 461 on the inner side of the second gear 46, so that the second gear 46 is pushed to rotate anticlockwise, the second gear 46 drives the first gear 32 to rotate, so that the hexagon nut 31 is screwed again, when the weight 43 drives the rocker 44 to move up under the action of the extrusion spring, the bottom of rocker 44 drives rolling disc 45 clockwise rotation, at this moment, the one end of shifting block 451 slides in the inboard of right angle groove 461, shifting block 451 rotates to the separation with right angle groove 461, can keep No. two gear 46 positions unchangeable when rolling disc 45 reverses like this, thereby make hexagon nut 31 automatic locking, effectively improve hexagon nut 31's fixed effect, it is inseparable to make to connect between left flange 1 and the right flange 2, protecting crust 41 carries out safety protection, and the sliding distance of pouring block 43 is less than the radius of rolling disc 45, can make the bottom of rocker 44 be located same one side of rolling disc 45 central point department like this, improve No. two gear 46's the efficiency of screwing hexagon bolt 3.
An extrusion air bag 453 is arranged on one side, located on the shifting block 451, of the rotating disc 45, a U-shaped flexible shaft 454 is arranged on the other side, located on the shifting block 451, of the rotating disc 45, two ends of the U-shaped flexible shaft 454 are fixedly connected with buffer springs, one buffer spring is fixedly connected with one end of one side of the shifting block 451, and the other buffer spring is fixedly connected with the other end of one side of the shifting block 451; a cavity 455 is formed in the shifting block 451, a telescopic block 452 is connected to the inner side of the cavity 455 in a sliding manner, and a gap between the cavity 455 and the piston end of the telescopic block 452 is communicated with an extrusion air bag 453 through an air passage 456; when the telescopic block 452 is in contact with one side of the right-angle slot 461, the shifting block 451 leads air between the piston end of the telescopic block 452 and the cavity 455 into the interior of the extrusion air bag 453, the extrusion air bag 453 extends, at this time, the buffer spring connected with one end of the shifting block 451 on the U-shaped flexible shaft 454 is in a stretched state, the buffer spring at the other end is in a compressed state, the buffer between the shifting block 451 and the rotating disc 45 can be buffered, when the rotating disc 45 rotates reversely, the buffer spring in the stretched state enables the shifting block 451 to rotate reversely, the shifting block 451 extrudes the extrusion air bag 453, the air in the extrusion air bag 453 is led into a gap between the telescopic block 452 and the cavity 455, the telescopic block 452 slides in the direction of the shifting block 451, the contact length between the telescopic block 452 and the slot 461 is reduced, the action time of the shifting block 451 on the second gear 46 when the rotating disc 45 rotates reversely is reduced, and the second gear 46 is kept in a, and the buffer spring can buffer the space between the shifting block 451 and the rotating disc 45, thereby prolonging the service life of the rotating disc 45.
The sealing module 6 comprises an annular sealing bladder 61; the number of the annular sealing bags 61 is two, the two annular sealing bags 61 are respectively connected with the side surfaces of the left flange 1 and the right flange 2, and plasticine is filled in the inner cavities of the two annular sealing bags 61; when being connected left flange 1 and right flange 2, two annular seal bags 61 contact each other, when the hexagonal nut 31 of screwing makes the interval between left flange 1 and the right flange 2 reduce, two annular seal bags 61 mutual extrusion produce and warp, and the inside plasticine of two annular seal bags 61 flows, fills the gap between left flange 1, right flange 2 and the body, has effectively improved the sealed effect of body.
The sealing module 6 further comprises a pressing unit 62; the extrusion unit 62 comprises an annular water storage bag 621 and an annular water absorption bag 622; the annular water storage bag 621 is arranged between the left flange 1 and the right flange 2, the annular water storage bag 621 is located on the outer side of the annular sealing bag 61, two side edges of the annular water storage bag 621 are respectively connected with the side surfaces of the left flange 1 and the right flange 2, the cross section of the annular water storage bag 621 is oval, and the annular water storage bag 621 is communicated with the two annular water absorption bags 622 through a guide pipe; the number of the annular water absorption bags 622 is two, one annular water absorption bag 622 is arranged at the connecting position of the left flange 1 and one annular sealing bag 61, and the other annular water absorption bag 622 is arranged at the connecting position of the right flange 2 and the other annular sealing bag 61; when the body vibrates, hexagon nut 31 is not hard up, make when the interval between left flange 1 and the right flange 2 increases, annular water storage bag 621 width increase under left flange 1 and the pulling of right flange 2, cross section because of annular water storage bag 621 is oval, annular water storage bag 621's middle part receives the pulling, water in the annular water storage bag 621 passes through the inboard of the leading-in two annular water storage bags 622 of pipe, two annular water storage bags 622 all expand, the expanded annular water storage bag 622 makes two annular sealing bags 61 keep the zonulae occludens state, can improve annular sealing bag 61's sealed efficiency like this, avoid the inside gas of body to reveal, improve factor of safety.
An annular sponge sheet is arranged inside the annular water absorption bag 622; the annular sponge sheet is used for absorbing water to prevent the plasticine in the annular sealing bag 61 from aging; when water is introduced into the annular water absorption bag 622, the annular sponge piece absorbs part of the water, when the locking module 4 works to enable the distance between the left flange 1 and the right flange 2 to be reduced again, the water in the two annular water absorption bags 622 flows back to the annular water storage bag 621, the part of the water absorbed by the annular sponge piece is uniformly distributed on the annular sponge piece, the plasticine inside the annular sealing bag 61 is protected, the phenomenon that the plasticine in the annular sealing bag 61 is aged after being used for a long time is avoided, the service life of the plasticine is prolonged, the effective sealing period of the annular sealing bag 61 is prolonged, and the cost is saved.
The head of the bolt 3 is sleeved with a ratchet wheel, and the large end of the bolt 3 is fixedly connected with a rotating fan; a stopping claw 33 is rotatably connected to the side surface of the right flange 2 at a position corresponding to the ratchet wheel through a spring; the rotating fan is used for driving the bolt 3 to rotate; a coil spring 63 is arranged between the annular sealing bag 61 and the annular water storage bag 621, one end of the coil spring 63 is fixedly connected with the outer side of the annular sealing bag 61, and the other end of the coil spring 63 is fixedly connected with one end of the pull rope 5; the coil spring 63 is used for tightening the annular sealing bag 61; the other end of the pull rope 5 is wound on the rotating shaft of the adjacent rotating fan; when the pipe body vibrates to cause the bolt 3 to be loosened, on one hand, the locking module 4 is used for automatically locking, on the other hand, the external wind blows the rotating fan to rotate, the rotating fan drives the bolt 3 to rotate to carry out auxiliary locking operation, and when the rotating fan is acted by reverse wind, the locking claw 33 limits the rotating direction of the ratchet wheel, so that the unidirectional rotation of the bolt 3 is ensured, and the self-locking efficiency of the bolt 3 is improved; when the interval between left flange 1 and the right flange 2 increases, it produces the rotation to rotate the fan to receive wind-force effect, carry out the rolling to stay cord 5, make stay cord 5 tensioning, then the other end of stay cord 5 pulling coil spring 63 removes to the direction of keeping away from the body, thereby make coil spring 63 tighten up, the coil spring 63 that tightens up extrudes two ring packing bag 61, thereby make in close contact with between two ring packing bag 61, the inseparable degree that two ring packing bag 61 connect has further been improved, the probability of the inside gas leakage of body has been reduced, the work efficiency of left flange 1 and right flange 2 is improved.
When the device works, the left flange 1 is connected with a port of one pipe body, the right flange 2 is connected with a port of the other pipe body, then the left flange 1 and the right flange 2 are connected and fixed through the bolt 3 and the hexagon nut 31, at the moment, the sealing module 6 seals a gap between the left flange 1 and the right flange 2, when the pipe body vibrates, the hexagon nut 31 becomes loose, meanwhile, the weight 43 moves up and down on the inner side of the sliding pipe 42, when the weight 43 pushes the rocker 44 to move down, the bottom end of the rocker 44 pushes the rotating disc 45 to rotate anticlockwise, the shifting block 451 on the rotating disc 45 is contacted with one side of the right-angle groove 461 on the inner side of the second gear 46, so that the second gear 46 is pushed to rotate anticlockwise, the second gear 46 drives the first gear 32 to rotate, so that the hexagon nut 31 is screwed again, when the weight 43 drives the rocker 44 to move up under the action of the extrusion spring, the bottom end of the rocker 44 drives the rotating disc 45 to rotate clockwise, at this time, one end of the shifting block 451 slides on the inner side of the right-angle groove 461, the shifting block 451 rotates to be separated from the right-angle groove 461, so that the position of the second gear 46 can be kept unchanged when the rotating disc 45 rotates reversely, the hexagon nut 31 is automatically locked, the protective shell 41 carries out safety protection, the sliding distance of the weight 43 is smaller than the radius of the rotating disc 45, so that the bottom end of the rocker 44 can be positioned on the same side of the central position of the rotating disc 45, the efficiency of screwing the hexagon bolt 3 by the second gear 46 is improved, when the telescopic block 452 is in contact with one side of the right-angle groove 461, the shifting block 451 leads air between the piston end of the telescopic block 452 and the cavity 455 into the interior of the extrusion air bag 453, the extrusion air bag 453 extends, at this time, the buffer spring connected with one end of the shifting block 451 on the U-, the stirring block 451 and the rotating disc 45 can be buffered, when the rotating disc 45 rotates reversely, the stirring block 451 rotates reversely by the buffer spring in a stretching state, so that the stirring block 451 extrudes the extrusion air bag 453, air in the extrusion air bag 453 is guided into a gap between the telescopic block 452 and the cavity 455, so that the telescopic block 452 slides towards the stirring block 451, the contact length between the telescopic block 452 and the right-angle groove 461 is reduced, the acting time of the stirring block 451 on the second gear 46 when the rotating disc 45 rotates is reduced, the second gear 46 is kept in a static state, the buffer spring can be used for buffering between the stirring block 451 and the rotating disc 45, when the bolt 3 is loosened due to vibration of a pipe body, on one hand, the automatic locking is performed through the locking module 4, on the other hand, the rotating fan is blown by external wind to rotate, the rotating fan drives the bolt 3 to rotate, and performs auxiliary locking operation, when the rotation fan receives reverse wind power's effect, the pawl 33 restricts the rotation direction of ratchet, guarantee bolt 3 unidirectional rotation, when the interval between left flange 1 and the right flange 2 increases, the rotation fan receives wind power to produce the rotation, carry out the rolling to stay cord 5, make stay cord 5 tensioning, then the other end of stay cord 5 pulling coil spring 63 moves to the direction of keeping away from the body, thereby make coil spring 63 tighten up, the coil spring 63 that tightens up extrudes two ring packing bag 61, thereby make in close contact with between two ring packing bag 61, the inseparable degree that two ring packing bag 61 connect has further been improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A leak-proof gas piping flange, comprising: the device comprises a left flange (1), a right flange (2), a locking module (4) and a sealing module (6); the left flange (1) and the right flange (2) are oppositely arranged, a plurality of bolts (3) are arranged between the left flange (1) and the right flange (2), hexagonal nuts (31) are arranged at the tail parts of the bolts (3), a first gear (32) is fixedly connected to the hexagonal nuts (31), a sealing module (6) is arranged between the left flange (1) and the right flange (2), and a locking module (4) is arranged on the left flange (1); the locking module (4) is used for screwing the hexagonal nut (31) when the left flange (1) and the right flange (2) vibrate; wherein the content of the first and second substances,
the locking module (4) comprises a protective shell (41), a sliding tube (42), a weight (43), a rocker (44), a rotating disc (45) and a second gear (46); the protective shells (41) are arranged in a plurality, the protective shells (41) are respectively arranged at positions corresponding to the hexagonal nuts (31), the protective shells (41) are fixedly connected with the side face of the left flange (1), the top of the inner side of each protective shell (41) is fixedly connected with a sliding pipe (42), and the inner side of each protective shell (41) is rotatably connected with a second gear (46) at a position corresponding to the first gear (32); a weight block (43) is connected inside the sliding tube (42) in a sliding manner, extrusion springs are fixedly connected between the top and the bottom of the weight block (43) and the inner wall of the sliding tube (42), and a rocker (44) is rotatably connected at the bottom of the weight block (43); a rotating disc (45) is arranged on the inner side of the second gear (46), the second gear (46) is meshed with the first gear (32), and a plurality of right-angle grooves (461) are arranged on the inner side of the second gear (46); a plurality of shifting blocks (451) are arranged at the positions, corresponding to the right-angle grooves (461), of the outer side of the rotating disc (45), the rotating disc (45) is used for driving the second gear (46) to rotate in a single direction, and the side face of the rotating disc (45) is far away from the center position and is connected with the bottom end of the rocker (44) in a rotating mode.
2. A leak resistant gas conduit flange as set forth in claim 1 wherein: an extrusion air bag (453) is arranged on one side, located on the shifting block (451), of the rotating disc (45), a U-shaped flexible shaft (454) is arranged on the other side, located on the shifting block (451), of the rotating disc (45), two ends of the U-shaped flexible shaft (454) are fixedly connected with buffer springs, one buffer spring is fixedly connected with one end of one side of the shifting block (451), and the other buffer spring is fixedly connected with the other end of one side of the shifting block (451); a cavity (455) is formed in the shifting block (451), a telescopic block (452) is connected to the inner side of the cavity (455) in a sliding mode, and a gap between the cavity (455) and the piston end of the telescopic block (452) is communicated with the extrusion air bag (453) through an air passage (456).
3. A leak resistant gas conduit flange as set forth in claim 1 wherein: the sealing module (6) comprises an annular sealing bladder (61); the number of the annular sealing bags (61) is two, the two annular sealing bags (61) are respectively connected with the side faces of the left flange (1) and the right flange (2), and plasticine is filled in the inner cavities of the two annular sealing bags (61).
4. A leak resistant gas conduit flange as set forth in claim 3 wherein: the sealing module (6) further comprises a pressing unit (62); the extrusion unit (62) comprises an annular water storage bag (621) and an annular water absorption bag (622); the annular water storage bag (621) is arranged between the left flange (1) and the right flange (2), the annular water storage bag (621) is located on the outer side of the annular sealing bag (61), two side edges of the annular water storage bag (621) are respectively connected with the side faces of the left flange (1) and the right flange (2), the cross section of the annular water storage bag (621) is oval, and the annular water storage bag (621) is communicated with the two annular water absorption bags (622) through a guide pipe; the number of the annular water absorption bags (622) is two, one annular water absorption bag (622) is arranged at the connecting position of the left flange (1) and one annular sealing bag (61), and the other annular water absorption bag (622) is arranged at the connecting position of the right flange (2) and the other annular sealing bag (61).
5. A leak resistant gas conduit flange as set forth in claim 4 wherein: an annular sponge sheet is arranged inside the annular water absorption bag (622); the annular sponge sheet is used for absorbing water to prevent the plasticine in the annular sealing bag (61) from aging.
6. A leak resistant gas conduit flange as set forth in claim 5 wherein: the head of the bolt (3) is sleeved with a ratchet wheel, and the large end of the bolt (3) is fixedly connected with a rotating fan; a stopping claw (33) is rotatably connected to the side surface of the right flange (2) at a position corresponding to the ratchet wheel through a spring; the rotating fan is used for driving the bolt (3) to rotate; a coil spring (63) is arranged between the annular sealing bag (61) and the annular water storage bag (621), one end of the coil spring (63) is fixedly connected with the outer side of the annular sealing bag (61), and the other end of the coil spring (63) is fixedly connected with one end of the pull rope (5); the coil spring (63) is used for enabling the annular sealing bag (61) to be tightened; the other end of the pull rope (5) is wound on the rotating shaft of the adjacent rotating fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238069.0A CN109780349B (en) | 2019-03-27 | 2019-03-27 | Prevent leaking gas pipeline flange |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910238069.0A CN109780349B (en) | 2019-03-27 | 2019-03-27 | Prevent leaking gas pipeline flange |
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| CN109780349A CN109780349A (en) | 2019-05-21 |
| CN109780349B true CN109780349B (en) | 2021-02-02 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410605A (en) * | 2019-07-23 | 2019-11-05 | 王为迪 | A kind of glass reinforced plastic pipe joint |
| CN112034126A (en) * | 2020-08-28 | 2020-12-04 | 生态环境部南京环境科学研究所 | Water body monitoring and early warning system for cross-boundary area |
| CN111981216B (en) * | 2020-09-18 | 2021-12-28 | 山西天宝集团有限公司 | Pressure gas pipeline flange |
| CN113864542B (en) * | 2021-10-08 | 2023-03-24 | 赵洪运 | Corrosion-resistant ocean engineering stainless steel thin pipe |
| CN113932076B (en) * | 2021-10-14 | 2023-04-11 | 江阴市龙润法兰有限公司 | Anti-leakage chemical pipeline flange |
| CN114113682B (en) * | 2021-11-26 | 2023-04-07 | 中国电建集团成都勘测设计研究院有限公司 | Landslide deep displacement monitoring device |
| CN114962830B (en) * | 2022-05-23 | 2023-11-17 | 天津大学 | Top tensioning type riser disconnection equipment in emergency state |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2162270B (en) * | 1984-07-27 | 1987-09-16 | Flow Engineering Limited Sa | Emergency release couplers |
| CN103016470A (en) * | 2012-11-05 | 2013-04-03 | 中国北车集团大连机车车辆有限公司 | Flange and manual elevating bow device |
| DE102013214118A1 (en) * | 2013-07-18 | 2015-01-22 | Siemens Aktiengesellschaft | Flange system and mounting method for a flange system |
| CN206918482U (en) * | 2017-06-02 | 2018-01-23 | 江西省得一康管业有限公司 | With the stronger pipe joint of sealing |
| CN207073656U (en) * | 2017-08-17 | 2018-03-06 | 常州市丰乐精锻有限公司 | A kind of high intensity flange |
| CN207634848U (en) * | 2017-12-07 | 2018-07-20 | 天津精工石油专用管件有限公司 | A kind of natural gas transportation connection multi-stage sealed device of end surfaces |
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Effective date of registration: 20210111 Address after: 526000 No.114 Nanxing 1st Road, Nan'an, Gaoyao District, Zhaoqing City, Guangdong Province Applicant after: Zhaoqing foran Natural Gas Co.,Ltd. Address before: 610041 Southwest Jiaotong University, Western Park, Chengdu high tech Zone, Sichuan Province Applicant before: Shi Hongyang |
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