CN110260069B - Pressure gas pipeline flange - Google Patents
Pressure gas pipeline flange Download PDFInfo
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- CN110260069B CN110260069B CN201910545636.7A CN201910545636A CN110260069B CN 110260069 B CN110260069 B CN 110260069B CN 201910545636 A CN201910545636 A CN 201910545636A CN 110260069 B CN110260069 B CN 110260069B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention relates to the field of pipeline flanges, in particular to a pressure gas pipeline flange which comprises a first limiting structure, a first sealing structure, a second limiting structure, a driving structure and a second sealing structure; first seal structure and the block of second limit structure on the first limit structure, conflict between the second seal structure on the cooperation second limit structure and the first seal structure simultaneously, seal between first limit structure and the second limit structure through first seal structure and second seal structure, the first seal structure of simultaneous drive structure conflict, and then improved first seal structure's side direction compressive capacity, second limit structure's inside is equipped with the drive structure, and then be convenient for quick first limit structure of fixed and second limit structure, it is more even to make the atress between first limit structure and the second limit structure simultaneously, further improvement flange joint's sealing performance, the use of cooperation first seal structure is convenient for dismantle first limit structure and second limit structure simultaneously.
Description
Technical Field
The invention relates to the field of pipeline flanges, in particular to a pressure gas pipeline flange.
Background
The pipeline flange is a detachable joint which is used for tightly combining two pipelines, pipe fittings or equipment by fixing the two pipelines, pipe fittings or equipment on a flange respectively, adding a flange pad between the two flanges and tightening the two flanges by using bolts.
However, the flanges of the traditional pressure gas pipeline are connected through bolts, the bolts are screwed one by one to easily cause dislocation between the flanges, the sealing performance between the flanges is influenced, when the flanges are installed in the closed box body, the space is narrow, the installation is not convenient and fast enough, the installation efficiency is low, the lateral pressure of the joint is large when high-pressure gas is introduced, and the sealing performance between the flanges is further influenced.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a pressure gas pipeline flange, wherein a first sealing structure on a first limiting structure is clamped with a second limiting structure, and is matched with a second sealing structure on the second limiting structure to be abutted against the first sealing structure, the first limiting structure and the second limiting structure are sealed through the first sealing structure and the second sealing structure, and simultaneously a driving structure is abutted against the first sealing structure, so that the lateral pressure resistance of the first sealing structure is improved, the sealing performance of flange connection is greatly improved, the mounting dislocation of the first limiting structure and the second limiting structure is avoided, the driving structure is arranged in the second limiting structure, the first limiting structure and the second limiting structure are conveniently and quickly fixed, the stress between the first limiting structure and the second limiting structure is more uniform, and the sealing performance of flange connection is further improved, the efficiency and the quality of flange joint have been improved simultaneously, cooperate the use first limit structure of convenient to detach and the second limit structure of first seal structure simultaneously.
The technical scheme adopted by the invention for solving the technical problems is as follows: a pressure gas pipeline flange comprises a first limiting structure, a first sealing structure, a second limiting structure, a driving structure and a second sealing structure; the first sealing structure is fixed on the first limiting structure for connecting a pipeline, and the second sealing structure is fixed on the second limiting structure for connecting the pipeline; the first sealing structure on the first limiting structure is abutted against the second limiting structure, the second sealing structure on the second limiting structure is abutted against the first limiting structure, and the first limiting structure and the second limiting structure are sealed through the first sealing structure and the second sealing structure; the second limiting structure is provided with a driving structure used for limiting the first limiting structure.
Specifically, first limit structure includes first fixed disk, a plurality of spacing post, first retainer plate and first spacing hole, be fixed with on the first fixed disk first seal structure, a plurality of regular hexagon structures spacing post circumference array is fixed in first fixed disk is close to second limit structure's one end, first fixed disk deviates from the one end of spacing post is fixed with first retainer plate, the inside of first retainer plate is equipped with first spacing hole.
Specifically, first seal structure includes first spacing collar, first sealing washer, draw-in groove and spacing groove, first spacing collar is fixed in first fixed disk deviates from the one end of first fixed ring, the outside of first spacing collar be equipped with annular on the first fixed disk the spacing groove, the cross-section is circular first sealing washer with first spacing collar is contradicted, be equipped with on the first spacing collar the draw-in groove.
Specifically, second limit structure includes second fixed disk, second retainer plate and the spacing hole of second, spacing post with second fixed disk block, the second retainer plate is located the second fixed disk deviates from the one end of first retainer plate, the inside of second retainer plate is equipped with the spacing hole of second.
Specifically, first seal structure still includes guide bar, reset spring, transmission piece and drive block, the transmission piece with sliding connection between the second fixed disk, the both ends in the cross-section of transmission piece are right angled triangle, the transmission piece with the draw-in groove block, the one end of transmission piece is equipped with the perpendicular connection the drive block, the drive block with sliding connection between the second fixed disk, spacing post with the drive block is contradicted, the transmission piece deviates from the one end of drive block is equipped with the guide bar, the guide bar runs through in reset spring, reset spring with contradict between the second fixed disk.
Specifically, the second seal structure includes second sealing washer and second spacing collar, the second fixed disk deviates from the one end of second fixed ring is equipped with the second spacing collar, be equipped with on the second spacing collar the second sealing washer, the second spacing collar with spacing groove block, the second sealing washer with first fixed disk is contradicted, first sealing washer with the second fixed disk is contradicted, the cross-section of second sealing washer is the rhombus structure.
Specifically, the drive structure includes driving disc, drive wheel, transfer line and drive wheel, the transfer line run through in the second fixed disc with threaded connection between the spacing post, the transfer line with rotate between the second fixed disc and be connected, the tip of transfer line is the regular hexagon structure, the transfer line with the drive wheel block, the driving disc with rotate between the second retainer plate and be connected, it is a plurality of drive wheel circumference array is located on the outer circumference of driving disc, the drive wheel with mesh between the driving disc, the drive wheel with the driving disc meshing, the drive wheel with rotate between the second fixed disc and be connected, be equipped with regular hexagon's recess on the drive wheel.
Specifically, the second fixing ring is provided with a sealing plate, and the sealing plate is in threaded connection with the second fixing ring.
Specifically, the second fixed disk is sleeved with a sealing sleeve, and the sealing sleeve is in threaded connection with the first fixed disk.
The invention has the beneficial effects that:
(1) according to the flange for the pressure gas pipeline, the first sealing structure on the first limiting structure is clamped with the second limiting structure, the second sealing structure on the second limiting structure is matched with the first sealing structure to be abutted against the first sealing structure, the first limiting structure and the second limiting structure are sealed through the first sealing structure and the second sealing structure, and the driving structure is abutted against the first sealing structure, so that the lateral pressure resistance of the first sealing structure is improved, the sealing performance of flange connection is greatly improved, and the first limiting structure and the second limiting structure are prevented from being installed and dislocated.
(2) According to the pressure gas pipeline flange, the driving structure is arranged inside the second limiting structure, so that the first limiting structure and the second limiting structure are conveniently and rapidly fixed, meanwhile, the first limiting structure and the second limiting structure are more uniformly stressed, the sealing performance of flange connection is further improved, the efficiency and the quality of flange connection are improved, and the first limiting structure and the second limiting structure are convenient to disassemble by matching with the first sealing structure.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of an overall structure of a pressure gas pipeline flange according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic view of a connection structure between the first position-limiting structure and the first sealing structure shown in FIG. 2;
FIG. 4 is an enlarged view of the portion B shown in FIG. 3;
fig. 5 is a schematic view of a connection structure between the second limiting structure and the driving structure shown in fig. 4.
In the figure: 1. the device comprises a first limiting structure, 11, a first fixing disc, 12, a limiting column, 13, a first fixing ring, 14, a second limiting hole, 2, a first sealing structure, 21, a first limiting ring, 22, a first sealing ring, 23, a clamping groove, 24, a limiting groove, 25, a guide rod, 26, a reset spring, 27, a transmission block, 28, a driving block, 3, a sealing plate, 4, a sealing sleeve, 5, a second limiting structure, 51, a second fixing disc, 52, a second fixing ring, 53, a second limiting hole, 6, a driving structure, 61, a transmission disc, 62, a transmission wheel, 63, a transmission rod, 64, a driving wheel, 7, a second sealing structure, 71, a second sealing ring, 72 and a second limiting ring.
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, the flange for a pressure gas pipeline according to the present invention includes a first limit structure 1, a first sealing structure 2, a second limit structure 5, a driving structure 6, and a second sealing structure 7; the first sealing structure 2 is fixed on the first limiting structure 1 for connecting pipelines, and the second sealing structure 7 is fixed on the second limiting structure 5 for connecting pipelines; the first sealing structure 2 on the first limiting structure 1 is abutted against the second limiting structure 5, the second sealing structure 7 on the second limiting structure 5 is abutted against the first limiting structure 1, and the first limiting structure 1 and the second limiting structure 5 are sealed through the first sealing structure 2 and the second sealing structure 7; the second limiting structure 5 is provided with a driving structure 6 for limiting the first limiting structure 1.
Specifically, the first limiting structure 1 includes a first fixed disk 11, a plurality of limiting columns 12, a first fixed ring 13 and a first limiting hole 14, the first fixed disk 11 is fixed with the first sealing structure 2, the limiting columns 12 of the regular hexagonal structure are circumferentially arrayed and fixed at one end of the first fixed disk 11 close to the second limiting structure 5, the first fixed ring 13 is fixed at one end of the first fixed disk 11 away from the limiting columns 12, and the first limiting hole 14 is arranged inside the first fixed ring 13; the pipeline is convenient to install by the arrangement of the first fixing ring 13, the contact area of the pipeline and the first fixing disc 11 is increased, and then the pipeline and the first fixing disc 11 are connected more stably.
Specifically, the first sealing structure 2 includes a first limiting ring 21, a first sealing ring 22, a clamping groove 23 and a limiting groove 24, the first limiting ring 21 is fixed at one end of the first fixing disc 11 away from the first fixing ring 13, the first fixing disc 11 outside the first limiting ring 21 is provided with the annular limiting groove 24, the first sealing ring 22 with a circular cross section is abutted against the first limiting ring 21, and the first limiting ring 21 is provided with the clamping groove 23; the cross section of the first sealing ring 22 is circular, so that the sealing performance between the first limiting ring 21 and the second limiting structure 5 is improved.
Specifically, the second limiting structure 5 includes a second fixed disk 51, a second fixed ring 52 and a second limiting hole 53, the limiting column 12 is clamped with the second fixed disk 51, the second fixed ring 52 is arranged at one end of the second fixed disk 51 away from the first limiting ring 21, and the second limiting hole 53 is arranged in the second fixed ring 52; the second fixing ring 52 is convenient for installing a pipeline, increases the contact area of the pipeline and the second fixing disc 51, and further enables the pipeline to be connected with the second fixing disc 51 more stably.
Specifically, the first sealing structure 2 further includes a guide rod 25, a return spring 26, a transmission block 27 and a driving block 28, the transmission block 27 is slidably connected to the second fixing disk 51, two ends of the cross section of the transmission block 27 are right-angled triangles, the transmission block 27 is engaged with the clamping groove 23, the driving block 28 is vertically connected to one end of the transmission block 27, the driving block 28 is slidably connected to the second fixing disk 51, the limiting column 12 is abutted to the driving block 28, the guide rod 25 is arranged at one end of the transmission block 27 away from the driving block 28, the guide rod 25 penetrates through the return spring 26, and the return spring 26 is abutted to the second fixing disk 51; when the driving block 28 is driven by the limit column 12 and slides between the second fixed disk 51, the driving block 28 is interfered with the transmission block 27, so that the transmission block 27 is opposite to the sliding direction between the driving block 28, the reset spring 26 contracts, the transmission block 27 is interfered with the clamping groove 23, so that the first limit ring 21 slides towards the second fixed disk 51, the lateral pressure between the first limit ring 21 and the second fixed disk 51 is increased, the pressure resistance of the first limit ring 21 is improved, the sealing property between the first limit ring 21 and the second fixed disk 51 is better, when the second fixed disk 51 is disassembled, the reset spring 26 is interfered with the transmission block 27, the transmission block 27 is interfered with the driving block 28, and the limit column 12 is driven by the driving block 28 to be separated from the second fixed disk 51, so that the limit column 12 and the second fixed disk 51 can be disassembled more conveniently and quickly.
Specifically, the second sealing structure 7 includes a second sealing ring 71 and a second limiting ring 72, the second limiting ring 72 is disposed at one end of the second fixing disc 51 away from the second fixing ring 52, the second limiting ring 71 is disposed on the second limiting ring 72, the second limiting ring 72 is engaged with the limiting groove 24, the second sealing ring 71 is abutted against the first fixing disc 11, the first sealing ring 22 is abutted against the second fixing disc 51, and the cross section of the second sealing ring 71 is of a diamond structure; first sealing washer 22 with the conflict of second fixed disk 51, second sealing washer 71 with first fixed disk 11 conflicts, and then has improved greatly first fixed disk 11 with sealing performance between the second fixed disk 51 cooperates simultaneously the use of spacing post 12 has avoided first fixed disk 11 with the off tracking of second fixed disk 51, and then has improved installation effectiveness and quality greatly.
Specifically, the driving structure 6 includes a driving disc 61, a driving wheel 62, a driving rod 63 and a driving wheel 64, the driving rod 63 penetrates through the second fixing disc 51 and is in threaded connection with the limiting column 12, the driving rod 63 is rotatably connected with the second fixing disc 51, the end of the driving rod 63 is in a regular hexagon structure, the driving rod 63 is clamped with the driving wheel 62, the driving disc 61 is rotatably connected with the second fixing ring 52, a plurality of driving wheels 62 are circumferentially arrayed on the outer circumference of the driving disc 61, the driving wheel 62 is meshed with the driving disc 61, the driving wheel 64 is rotatably connected with the second fixing disc 51, and a regular hexagon groove is formed in the driving wheel 64; firstly tapping the end parts of pipelines, then winding sealing belts on the end parts of the two pipelines, connecting the first fixing ring 13 and the second fixing ring 52 with the two pipelines respectively through threads, enabling the two pipelines to enter the first limiting hole 14 and the second limiting hole 53, enabling the first fixing ring 13 to be matched with the second fixing ring 52 for use, enabling the pipeline installation to be more convenient and faster, facilitating the pipeline installation due to the arrangement of the first fixing ring 13 and the second fixing ring 52, increasing the contact area between the pipeline and the first fixing disc 11, further enabling the pipeline to be more stably connected with the first fixing disc 11, then clamping the limiting column 12 with the second fixing disc 51, clamping the driving wheel 64 through a wrench, rotating the driving wheel 64 to drive the driving disc 61 to rotate, and driving the driving wheel 62 to rotate due to the rotation of the driving disc 61, the driving wheel 62 drives the driving rod 63 to rotate, the driving rod 63 is in threaded connection with the limiting column 12, so that the limiting column 12 is driven to slide between the second fixed disc 51, the diameter of the driving wheel 64 is smaller than that of the driving wheel 62, so that the operation is more labor-saving, meanwhile, the end part of the driving rod 63 is of a regular hexagon structure, so that the driving wheel 62 and the driving rod 63 are more convenient and faster to install, the limiting column 12 drives the first fixed disc 11 to be close to the second fixed disc 51, the first limiting ring 21 on the first fixed disc 11 drives the first sealing ring 22 to abut against the second fixed disc 51, the second limiting ring 72 on the second fixed disc 51 drives the second sealing ring 71 to abut against the first fixed disc 11, and then the first fixed disc 11 and the second fixed disc 51 are rapidly sealed, and then improved greatly sealing performance between first fixed disk 11 with the second fixed disk 51 cooperates simultaneously spacing post 12's use has been avoided first fixed disk 11 with second fixed disk 51 off tracking, and then has improved installation effectiveness and quality greatly, passes through simultaneously drive structure 6 transmits and makes spacing post 12 atress is more even, and then has avoided first fixed disk 11 with second fixed disk 51 off tracking, and then has improved installation quality greatly.
Specifically, a sealing plate 3 is arranged on the second fixing ring 52, and the sealing plate 3 is in threaded connection with the second fixing ring 52; the sealing plate 3 is in threaded connection with the second fixing ring 52, so that the driving structure 6 is convenient to seal, misoperation of the driving structure 6 is effectively avoided, meanwhile, the sealing performance is improved, dust deposition on the driving structure 6 is avoided, and further, the transmission stability of the driving structure 6 is greatly improved.
Specifically, a sealing sleeve 4 is sleeved on the second fixed disk 51, and the sealing sleeve 4 is in threaded connection with the first fixed disk 11; the sealing sleeve 4 seals the joint of the first fixed disk 11 and the second fixed disk 51, so that dust accumulation between the first fixed disk 11 and the second fixed disk 51 is effectively prevented.
When the pipeline fixing device is used, firstly, the end parts of the pipelines are tapped, then the end parts of the two pipelines are wound with sealing tapes, the first fixing ring 13 and the second fixing ring 52 are respectively in threaded connection with the two pipelines, the two pipelines enter the first limiting hole 14 and the second limiting hole 53, the first fixing ring 13 is matched with the second fixing ring 52 for use, so that the pipelines are more conveniently and quickly installed, the arrangement of the first fixing ring 13 and the second fixing ring 52 is convenient for installing the pipelines, the contact area between the pipelines and the first fixing disc 11 is increased, the pipelines are more stably connected with the first fixing disc 11, then the limiting column 12 is clamped with the second fixing disc 51, the driving wheel 64 is clamped through a spanner, the driving wheel 64 is rotated to drive the driving disc 61 to rotate, the driving wheel 61 is rotated to drive the driving rod 62 to rotate, the driving rod 63 is rotated by the driving wheel 62, and the driving rod 63 is in threaded connection, and then drive and limit the column 12 and slide between the second fixed disk 51, the diameter of the driving wheel 64 is smaller than the diameter of the driving wheel 62, and then make the operation more laborsaving, the end of the driving rod 63 is a regular hexagon structure, make the installation between the driving wheel 62 and the driving rod 63 more convenient and faster, the limit column 12 drives and slides between the driving block 28 and the second fixed disk 51, the driving block 28 supports the driving block 27, make the sliding direction between the driving block 27 and the driving block 28 opposite, the reset spring 26 shrinks, the driving block 27 supports the neck 23, make the first spacing collar 21 slide toward the second fixed disk 51, increase the lateral pressure between the first spacing collar 21 and the second fixed disk 51, improve the compression resistance of the first spacing collar 21, and then make the sealing performance between the first spacing collar 21 and the second fixed disk 51 better, the first spacing collar 21 on the first fixed disk 11 drives the first sealing ring 22 to support the second fixed disk 51, the second limiting ring 72 on the second fixed disk 51 drives the second sealing ring 71 to abut against the first fixed disk 11, so that the first fixed disk 11 and the second fixed disk 51 are quickly sealed, the sealing performance between the first fixed disk 11 and the second fixed disk 51 is greatly improved, and meanwhile, the first fixed disk 11 and the second fixed disk 51 are prevented from deviating by matching with the limiting column 12, so that the mounting efficiency and the mounting quality are greatly improved, meanwhile, the limiting column 12 is more uniformly stressed by transmission through the driving structure 6, so that the first fixed disk 11 and the second fixed disk 51 are prevented from deviating, and the mounting quality is greatly improved; when the second fixed disc 51 is disassembled, the reset spring 26 abuts against the transmission block 27, the transmission block 27 abuts against the driving block 28, the driving block 28 drives the limiting column 12 to be separated from the second fixed disc 51, and the limiting column 12 and the second fixed disc 51 are disassembled more conveniently and rapidly, the sealing plate 3 is in threaded connection with the second fixed ring 52, so that the driving structure 6 is conveniently sealed, misoperation on the driving structure 6 is effectively avoided, meanwhile, the sealing performance is improved, dust accumulation on the driving structure 6 is avoided, and the transmission stability of the driving structure 6 is greatly improved; the sealing sleeve 4 seals the joint of the first fixed disk 11 and the second fixed disk 51, thereby effectively preventing dust from being accumulated between the first fixed disk 11 and the second fixed disk 51.
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, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A pressure gas pipeline flange which is characterized in that: the device comprises a first limiting structure (1), a first sealing structure (2), a second limiting structure (5), a driving structure (6) and a second sealing structure (7); the first sealing structure (2) is fixed on the first limiting structure (1) for connecting a pipeline, and the second sealing structure (7) is fixed on the second limiting structure (5) for connecting the pipeline; the first sealing structure (2) on the first limiting structure (1) is abutted against the second limiting structure (5), the second sealing structure (7) on the second limiting structure (5) is abutted against the first limiting structure (1), and the first limiting structure (1) and the second limiting structure (5) are sealed through the first sealing structure (2) and the second sealing structure (7); the second limiting structure (5) is provided with the driving structure (6) for limiting the first limiting structure (1);
the first limiting structure (1) comprises a first fixing disc (11), a plurality of limiting columns (12), a first fixing ring (13) and a first limiting hole (14), the first fixing disc (11) is fixed with the first sealing structure (2), the limiting columns (12) of a plurality of regular hexagonal structures are circumferentially arrayed and fixed at one end, close to the second limiting structure (5), of the first fixing disc (11), the first fixing ring (13) is fixed at one end, away from the limiting columns (12), of the first fixing disc (11), and the first limiting hole (14) is formed in the first fixing ring (13);
the first sealing structure (2) comprises a first limiting ring (21), a first sealing ring (22), a clamping groove (23) and a limiting groove (24), the first limiting ring (21) is fixed at one end, away from the first fixing ring (13), of the first fixing disc (11), the annular limiting groove (24) is formed in the first fixing disc (11) outside the first limiting ring (21), the first sealing ring (22) with a circular cross section is abutted to the first limiting ring (21), and the clamping groove (23) is formed in the first limiting ring (21);
the second limiting structure (5) comprises a second fixed disc (51), a second fixed ring (52) and a second limiting hole (53), the limiting column (12) is clamped with the second fixed disc (51), the second fixed ring (52) is arranged at one end, deviating from the first limiting ring (21), of the second fixed disc (51), and the second limiting hole (53) is formed in the second fixed ring (52);
the first sealing structure (2) also comprises a guide rod (25), a return spring (26), a transmission block (27) and a driving block (28), the transmission block (27) is connected with the second fixed disc (51) in a sliding way, two ends of the section of the transmission block (27) are right-angled triangles, the transmission block (27) is clamped with the clamping groove (23), one end of the transmission block (27) is provided with the driving block (28) which is vertically connected, the driving block (28) is connected with the second fixed disc (51) in a sliding way, the limiting column (12) is abutted against the driving block (28), the guide rod (25) is arranged at one end of the transmission block (27) departing from the driving block (28), the guide rod (25) penetrates through the return spring (26), and the return spring (26) is abutted against the second fixed disc (51);
second seal structure (7) include second sealing washer (71) and second spacing collar (72), second fixed disk (51) deviate from the one end of second fixed disk (52) is equipped with second spacing collar (72), be equipped with on second spacing collar (72) second sealing washer (71), second spacing collar (72) with spacing groove (24) block, second sealing washer (71) with first fixed disk (11) are contradicted, first sealing washer (22) with second fixed disk (51) are contradicted, the cross-section of second sealing washer (71) is the rhombus structure.
2. A pressure gas duct flange according to claim 1, wherein: the driving structure (6) comprises a transmission disc (61), a transmission wheel (62), a transmission rod (63) and a driving wheel (64), the transmission rod (63) penetrates through the second fixed disc (51) and is in threaded connection with the limiting column (12), the transmission rod (63) is in rotary connection with the second fixed disc (51), the end part of the transmission rod (63) is of a regular hexagon structure, the transmission rod (63) is clamped with the transmission wheel (62), the transmission disc (61) is in rotary connection with the second fixed ring (52), a plurality of transmission wheels (62) are arranged on the outer circumference of the transmission disc (61) in a circumferential array mode, the transmission wheel (62) is meshed with the transmission disc (61), the driving wheel (64) is meshed with the transmission disc (61), and the driving wheel (64) is in rotary connection with the second fixed disc (51), the driving wheel (64) is provided with a regular hexagon groove.
3. A pressure gas duct flange according to claim 1, wherein: and a sealing plate (3) is arranged on the second fixing ring (52), and the sealing plate (3) is in threaded connection with the second fixing ring (52).
4. A pressure gas duct flange according to claim 1, wherein: the second fixed disk (51) is sleeved with a sealing sleeve (4), and the sealing sleeve (4) is in threaded connection with the first fixed disk (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545636.7A CN110260069B (en) | 2019-06-22 | 2019-06-22 | Pressure gas pipeline flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910545636.7A CN110260069B (en) | 2019-06-22 | 2019-06-22 | Pressure gas pipeline flange |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110260069A CN110260069A (en) | 2019-09-20 |
| CN110260069B true CN110260069B (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910545636.7A Active CN110260069B (en) | 2019-06-22 | 2019-06-22 | Pressure gas pipeline flange |
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| CN (1) | CN110260069B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646048B (en) * | 2019-10-07 | 2020-11-20 | 温州莱益机械有限公司 | Gas-liquid two-phase flow parameter online detector adopting pressure reversing principle |
| CN110631657B (en) * | 2019-10-18 | 2020-11-13 | 诸暨市派特智能科技有限公司 | Angle-adjustable radar level meter convenient to install |
| CN111486281B (en) * | 2020-04-03 | 2021-11-05 | 江西海瑞天然植物有限公司 | Chemical pipeline capable of preventing leakage |
| CN111536339B (en) * | 2020-05-08 | 2021-06-18 | 温州精宏阀门管件有限公司 | Flange |
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| CN208735067U (en) * | 2018-08-15 | 2019-04-12 | 大连东兴锻造有限公司 | A kind of dedicated novel flange of pipeline |
| CN109812633A (en) * | 2019-03-27 | 2019-05-28 | 石宏扬 | A kind of plugging type gas pipeline flange |
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| KR20060082483A (en) * | 2005-01-12 | 2006-07-18 | 동원철강 주식회사 | Corrugated steel pipe a coupling device |
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| DE202005001059U1 (en) * | 2005-01-19 | 2005-03-31 | Kermi Gmbh | Two part clamp union for fluid pipe sections has interface with locating key that cuts into O-ring seal |
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| CN110260069A (en) | 2019-09-20 |
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