CN220060942U - Pressure pipeline flange joint - Google Patents
Pressure pipeline flange joint Download PDFInfo
- Publication number
- CN220060942U CN220060942U CN202321601819.4U CN202321601819U CN220060942U CN 220060942 U CN220060942 U CN 220060942U CN 202321601819 U CN202321601819 U CN 202321601819U CN 220060942 U CN220060942 U CN 220060942U
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- flange
- top frame
- mounting
- frame
- bottom frame
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- 238000007789 sealing Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 description 6
- 210000001503 joint Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model relates to the technical field of pipeline flange joints, in particular to a pressure pipeline flange joint, which comprises the following technical scheme: the bottom frame is movably sleeved below the second flange, the first flange is arranged at the top of the second flange, the top of the first flange is movably sleeved with a top frame, and the bottom frame further comprises a mounting bolt and a limiting block; the limiting blocks are arranged on the bottom frame and the top frame; the mounting bolts pass through the bottom frame and the top frame. The utility model solves the problem that in the prior art, the common spanner is difficult to extend into and install the flange plate because the bolt head is too close to the flange plate.
Description
Technical Field
The utility model relates to the technical field of pipeline flange joints, in particular to a pressure pipeline flange joint.
Background
The pressure pipeline refers to a tubular device for conveying gas or liquid by utilizing a certain pressure, wherein the range of the pressure pipeline is defined as a pipeline with the highest working pressure of more than or equal to 0.1MPa, a liquefied gas, a steam medium or a flammable, explosive, toxic and corrosive liquid medium, the highest working temperature of more than or equal to a standard boiling point, and the nominal diameter of more than 25 mm. The flange connection is mainly characterized by convenient disassembly, high strength and good sealing performance.
Chinese utility model patent: the utility model discloses a CN217441047U discloses a pressure pipe flange connects, has solved and is used for pressure pipe flange to connect in the market among the prior art and usually needs personnel to laminate with behind two flange joints with bolt fixed connection, uses the sealing strip again, prevents that the junction from taking place slight revealing, and personnel need manually tailor the sealing strip according to the flange head of equidimension, this undoubtedly has increased the time cost of installation use, is unfavorable for improving personnel's work efficiency's problem. A flange joint for a pressure pipeline comprises a flange plate, wherein a lantern ring is fixedly connected to the upper surface of the flange plate.
In the prior art, CN217441047U changes the traditional manual sealing gasket cutting mode by structural design when in use, so that the sealing gasket is prevented from being cut more than once, the sealing performance between two flange plates is effectively ensured, the leakage condition is avoided, the service life of the flange plates is prolonged, the installation of personnel is facilitated, and the working efficiency of the personnel is improved. However, when the flange is mounted, the bolts for positioning the flange need to be fastened by using a socket wrench, but when the bolts are fastened, if the socket wrench cannot be carried, the fastening operation needs to be performed by using an ordinary wrench, and at this time, the bolt head and the flange are too close to each other, so that the ordinary wrench is difficult to extend into for use, and therefore, a pressure pipe flange joint is required to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a pressure pipeline flange joint which has the advantage of being convenient for installing flange plates by using an ordinary wrench, and solves the problem that the ordinary wrench is difficult to extend into and install the flange plates due to the fact that a bolt head is too close to the flange plates in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the pressure pipeline flange joint comprises an underframe and a second flange, wherein the underframe is movably sleeved below the second flange, a first flange is arranged at the top of the second flange, a top frame is movably sleeved on the first flange, and the pressure pipeline flange joint further comprises a mounting bolt and a limiting block;
the limiting blocks are arranged on the bottom frame and the top frame; the mounting bolts pass through the bottom frame and the top frame.
When the pressure pipeline flange joint in the technical scheme is used, the first flange is in butt joint with the second flange, the top frame is sleeved on the second flange, the limiting block on the top frame is further located in the mounting hole of the first flange, the bottom frame is sleeved below the first flange, the limiting block on the bottom frame is located in the mounting hole of the second flange, the mounting bolt is inserted into the reserved hole of the top frame, and the mounting bolt can be screwed through the common spanner at the moment so as to clamp, locate and install the first flange and the second flange through the top frame and the bottom frame.
Preferably, the upper surface of the underframe is provided with a ring-shaped groove and is embedded with a second sealing pad, and the underframe is provided with a preformed hole.
Preferably, the diameter of the upper surface of the second flange is matched with that of the lower surface of the first flange, two annular grooves are formed in the upper surface of the second flange, the first sealing gaskets are respectively embedded and installed on the upper surface of the second flange, and the mounting holes are formed in the outer side of the upper surface of the second flange.
Preferably, the top of the first flange adopts a conical structure design, two annular grooves are clamped on the lower surface of the first flange and are respectively embedded and installed with a first sealing gasket, and the outer side of the lower surface of the first flange is provided with a mounting hole.
Preferably, two annular grooves are formed in the lower surface of the top frame, second sealing gaskets are respectively embedded and installed on the two annular grooves, the outer diameter of the top frame is matched with that of the bottom frame, and a reserved hole is formed in the top frame.
Preferably, the mounting position of the limiting block is matched with the mounting hole, and the height of the limiting block is greater than the thickness of the first flange and the second flange.
Preferably, the number of the mounting bolts is six, and the six mounting bolts respectively pass through the reserved holes on the bottom frame and the top frame.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the top frame and the bottom frame are arranged, the limiting blocks are respectively arranged on the top frame and the bottom frame, so that the first flange and the second flange can be positioned through the limiting blocks, the top frame and the bottom frame are provided with the reserved holes, the mounting bolts penetrate through the reserved holes, the top frame and the bottom frame can clamp the first flange and the second flange in a manner of tightening the mounting bolts, and meanwhile, the mounting bolts are far away from the first flange and the second flange, so that a common spanner can be conveniently inserted in the mounting operation, and the effect of conveniently using the common spanner to mount the flange piece is achieved.
Drawings
FIG. 1 is a schematic cross-sectional elevation view of the present utility model;
FIG. 2 is a schematic view of the enlarged partial structure of FIG. 1 according to the present utility model;
fig. 3 is a schematic elevational view of the present utility model.
In the figure: 1. a chassis; 2. installing a bolt; 3. a top frame; 4. a first flange; 5. a second flange; 6. a first gasket; 7. a second gasket; 8. a limiting block; 9. and (5) mounting holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1, 2 and 3, one embodiment of the present utility model provides: the flange joint of the pressure pipeline comprises a bottom frame 1 and a second flange 5, wherein the bottom frame 1 is movably sleeved below the second flange 5, a first flange 4 is arranged at the top of the second flange 5, a top frame 3 is movably sleeved on the first flange 4, and the flange joint further comprises a mounting bolt 2 and a limiting block 8;
specifically, the limiting block 8 is arranged on the bottom frame 1 and the top frame 3; the installation position of the limiting block 8 is matched with the installation position of the installation hole 9, and the height of the limiting block 8 is greater than the thickness of the first flange 4 and the second flange 5. The mounting bolts 2 pass through the bottom frame 1 and the top frame 3. The number of the mounting bolts 2 is six, and the six mounting bolts 2 respectively pass through the reserved holes on the bottom frame 1 and the top frame 3. Through setting up roof-rack 3 and chassis 1 to set up stopper 8 respectively on roof-rack 3 and chassis 1, thereby can fix a position first flange 4 and second flange 5 through stopper 8, set up the preformed hole simultaneously on roof-rack 3 and chassis 1, and make mounting bolt 2 pass the preformed hole, thereby make roof-rack 3 and chassis 1 carry out the centre gripping to first flange 4 and second flange 5 through the mode of tightening mounting bolt 2, simultaneously, because mounting bolt 2 keeps away from first flange 4 and second flange 5, and then when carrying out the installation operation, can make ordinary spanner conveniently insert, reached the effect of being convenient for use ordinary spanner to install the flange piece.
Further, an annular groove is formed in the upper surface of the underframe 1, a second sealing gasket 7 is embedded and installed on the annular groove, and a reserved hole is formed in the underframe 1.
Further, the diameter of the upper surface of the second flange 5 is matched with the diameter of the lower surface of the first flange 4, two annular grooves are formed in the upper surface of the second flange 5, the first sealing gaskets 6 are respectively embedded and installed, and the mounting holes 9 are formed in the outer side of the upper surface of the second flange 5.
Furthermore, the top of the first flange 4 adopts a conical structure design, two annular grooves are clamped on the lower surface of the first flange 4 and are respectively embedded and installed with a first sealing gasket 6, and the outer side of the lower surface of the first flange 4 is provided with a mounting hole 9.
Further, two annular grooves are formed in the lower surface of the top frame 3, second sealing gaskets 7 are respectively embedded and installed on the annular grooves, the outer diameter of the top frame 3 is matched with that of the bottom frame 1, and reserved holes are formed in the top frame 3.
When the utility model is used, the first flange 4 is in butt joint with the second flange 5, the top frame 3 is sleeved on the second flange 5, the limiting block 8 on the top frame 3 is positioned in the mounting hole 9 of the first flange 4, the bottom frame 1 is sleeved below the first flange 4, the limiting block 8 on the bottom frame 1 is positioned in the mounting hole 9 of the second flange 5, the mounting bolt 2 is inserted into the reserved hole of the top frame 3, and the mounting bolt 2 can be screwed by a common spanner, so that the first flange 4 and the second flange 5 can be clamped, positioned and mounted by the top frame 3 and the bottom frame 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a pipeline under pressure flange connects, includes chassis (1) and second flange (5), chassis (1) movable sleeve dress is in second flange (5) below, second flange (5) top is equipped with first flange (4), movable sleeve is equipped with roof-rack (3), its characterized in that still includes:
the limiting block (8) is arranged on the underframe (1) and the top frame (3);
the mounting bolts (2) penetrate through the underframe (1) and the top frame (3).
2. The flange joint of a pressure pipeline according to claim 1, characterized in that the upper surface of the underframe (1) is provided with an annular groove and is provided with a second sealing gasket (7) in an embedded manner, and the underframe (1) is provided with a preformed hole.
3. The pressure pipeline flange joint according to claim 1, wherein the diameter of the upper surface of the second flange (5) is matched with the diameter of the lower surface of the first flange (4), two annular grooves are formed in the upper surface of the second flange (5) and are respectively embedded and installed with a first sealing gasket (6), and a mounting hole (9) is formed in the outer side of the upper surface of the second flange (5).
4. The pressure pipeline flange joint according to claim 1, wherein the top of the first flange (4) adopts a conical structure design, two annular grooves are clamped on the lower surface of the first flange (4) and are respectively embedded and installed with a first sealing gasket (6), and a mounting hole (9) is formed in the outer side of the lower surface of the first flange (4).
5. The flange joint of a pressure pipeline according to claim 1, wherein two annular grooves are formed in the lower surface of the top frame (3) and are respectively embedded with a second sealing gasket (7), the outer diameter of the top frame (3) is matched with the outer diameter of the bottom frame (1), and a reserved hole is formed in the top frame (3).
6. A pressure pipe flange joint according to claim 1, characterized in that the mounting position of the limiting block (8) is matched with the opening position of the mounting hole (9), and the height of the limiting block (8) is larger than the thickness of the first flange (4) and the second flange (5).
7. A pressure pipe flange joint according to claim 1, characterized in that the number of mounting bolts (2) is six, the six mounting bolts (2) passing through the preformed holes in the bottom frame (1) and the top frame (3), respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601819.4U CN220060942U (en) | 2023-06-21 | 2023-06-21 | Pressure pipeline flange joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601819.4U CN220060942U (en) | 2023-06-21 | 2023-06-21 | Pressure pipeline flange joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220060942U true CN220060942U (en) | 2023-11-21 |
Family
ID=88749334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321601819.4U Active CN220060942U (en) | 2023-06-21 | 2023-06-21 | Pressure pipeline flange joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220060942U (en) |
-
2023
- 2023-06-21 CN CN202321601819.4U patent/CN220060942U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |