CN219035870U - Pipeline flange - Google Patents
Pipeline flange Download PDFInfo
- Publication number
- CN219035870U CN219035870U CN202320016777.1U CN202320016777U CN219035870U CN 219035870 U CN219035870 U CN 219035870U CN 202320016777 U CN202320016777 U CN 202320016777U CN 219035870 U CN219035870 U CN 219035870U
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- flange
- flange plate
- block
- ring flange
- wedge
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Abstract
The utility model relates to the technical field of pipeline flanges, in particular to a pipeline flange, which comprises a first flange plate and a second flange plate, wherein connecting pipes are fixedly arranged at one ends of the first flange plate and the second flange plate, mounting sleeves are fixedly arranged at the outer sides of the first flange plate and the second flange plate, a plurality of ejection assemblies are arranged at the inner sides of the two mounting sleeves, the ejection assemblies are distributed around the mounting sleeves at equal intervals, insertion pipes are fixedly arranged at the outer sides of the first flange plate and the second flange plate, and the two insertion pipes can be matched with each other. According to the utility model, the first flange plate and the second flange plate can be in plug-in fit, so that the tightness between the first flange plate and the second flange plate is greatly improved.
Description
Technical Field
The utility model relates to the technical field of pipeline flanges, in particular to a pipeline flange.
Background
The pump body, the valve, the fan, the air valve and other devices which are connected with the pipeline through the conventional flange are arranged in most plants of the nuclear power station, and the devices need to be regularly disassembled, assembled and maintained in the running and using processes; however, when these devices are removed from the middle of the pipeline, since the pipeline at both ends has a pressing force against the middle device and a sealing member is provided between the flanges, even after the connecting bolts between the flange of the connecting pipeline and the flange of the middle device are removed, the middle device cannot be directly removed;
in this regard, a novel pipe flange assembly is disclosed in CN201621177760.0, and includes two pipe flanges connected to two pipes at two ends of the intermediate device, the pipe flanges include a flange body, and the pipe flange assembly further includes a connecting rod and a fixing member; wherein, at least two supporting lugs are arranged on the outer circumference of the flange body, each supporting lug is provided with a through hole, and all the through holes are positioned on the same reference circle;
according to the patent, the connecting rods are matched with the fixing pieces, so that the pipeline flanges at two ends of the intermediate equipment can be supported and fixed, a certain gap is formed between the pipeline flanges and the equipment flanges, and the intermediate equipment is quickly disassembled and assembled between two adjacent connecting rods; however, gaps are reserved between the pipeline flange and the equipment flange, so that poor tightness is caused between the pipeline flange and the equipment flange, and in the process of conveying the gas by the pipeline, the gas overflows from between the pipeline flange and the equipment flange due to high gas pressure of the gas, so that normal conveying of the pipeline is affected.
Disclosure of Invention
The utility model aims to solve the defect of poor sealing property in the prior art, and provides a pipeline flange.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a pipeline flange, includes first ring flange and second ring flange, the equal fixed mounting of one end of first ring flange and second ring flange has the connecting pipe, the equal fixed mounting in the outside of first ring flange and second ring flange has the installation cover, two a plurality of ejecting subassemblies are installed to the installation cover inboard, a plurality of ejecting subassembly is distributed around the installation cover equidistance, the equal fixed mounting in the outside of first ring flange and second ring flange has the intubate, two the intubate can mutually support.
Preferably, a plurality of connecting screws are connected between the first flange plate and the second flange plate, the connecting screws are distributed around the first flange plate at equal intervals, and connecting nuts are arranged at two ends of the connecting screws in a threaded mode.
Preferably, the ejection assembly comprises a screw, a rotating cap and a first wedge; the screw rod runs through the installation sleeve and is in threaded connection with the installation sleeve, the rotary cap is fixedly installed at one end of the screw rod, and the first wedge block is fixedly installed at the other end of the screw rod and is located the inner side of the installation sleeve.
Preferably, the ejection assembly further comprises a sliding rod, an ejector block, a second wedge block and a spring; the sliding rod penetrates through the first flange plate and is in sliding connection with the first flange plate, the second wedge block is fixedly arranged at one end of the sliding rod and can be in contact with the first wedge block, the top block is fixedly arranged at the other end of the sliding rod, and the spring is sleeved on the sliding rod.
Preferably, a storage groove matched with the top block is formed in the outer side of the first flange plate, and the top block can be stored in the storage groove.
The pipeline flange provided by the utility model has the beneficial effects that:
1. the first flange plate and the second flange plate are matched with each other through corresponding insertion pipes, so that the first flange plate and the second flange plate can be in plug-in fit, and the tightness between the first flange plate and the second flange plate is greatly improved;
2. the ejector block acts on the second flange plate to eject the second flange plate outwards, so that the first flange plate is separated from the second flange plate, the second flange plate is prevented from being damaged by prying open the second flange plate, and the efficiency and the safety of disassembly and assembly of the intermediate equipment are improved.
Drawings
FIG. 1 is a schematic view of a flange structure of a pipeline according to the present utility model;
FIG. 2 is a schematic view of a part of a flange of a pipeline according to the present utility model;
FIG. 3 is a schematic view of a partial structure of a flange for a pipeline according to the present utility model;
fig. 4 is a schematic structural diagram of an ejector assembly of a pipe flange according to the present utility model.
In the figure: the first flange plate 1, the connecting pipe 11, the second flange plate 2, the insertion pipe 3, the connecting screw 4, the connecting nut 5, the ejection assembly 6, the screw 62, the rotating cap 63, the first wedge block 64, the sliding rod 65, the ejection block 66, the second wedge block 67, the spring 68, the storage groove 69 and the mounting sleeve 7.
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.
Example 1:
referring to fig. 1-3, a pipeline flange comprises a first flange plate 1 and a second flange plate 2, wherein connecting pipes 2 are fixedly arranged at one ends of the first flange plate 1 and the second flange plate 2, mounting sleeves 7 are fixedly arranged at the outer sides of the first flange plate 1 and the second flange plate 2, a plurality of ejection assemblies 6 are arranged at the inner sides of the two mounting sleeves 7, the ejection assemblies 6 are distributed at equal intervals around the mounting sleeves 61, inserting pipes 3 are fixedly arranged at the outer sides of the first flange plate 1 and the second flange plate 2, and the two inserting pipes 3 can be matched with each other; the first flange plate 1 and the second flange plate 2 are matched with each other through the corresponding insertion pipe 3, so that the first flange plate 1 and the second flange plate 2 can be in plug-in fit, and the tightness between the first flange plate 1 and the second flange plate 2 is greatly improved.
A plurality of connecting screws 4 are connected between the first flange plate 1 and the second flange plate 2, the connecting screws 4 are distributed around the first flange plate 1 at equal intervals, and connecting nuts 5 are arranged at two ends of the connecting screws 4 in a threaded mode. After the first flange plate 1 and the second flange plate 2 are matched through the insertion pipe 3, the first flange plate 1 and the second flange plate 2 can be stably connected through the threaded matching of the connecting nuts 5 and the corresponding connecting screw rods 4.
Example 2:
referring to fig. 1 to 4, as another preferred embodiment of the present utility model, the ejection assembly 6 is different from embodiment 1 in that it includes a screw 62, a rotary cap 63, a first wedge block 64, a slide bar 65, a top block 66, a second wedge block 67, and a spring 68; the screw 62 penetrates through the mounting sleeve 7 and is in threaded connection with the mounting sleeve 7, the rotary cap 63 is fixedly arranged at one end of the screw 62, and the first wedge block 64 is fixedly arranged at the other end of the screw 62 and is positioned at the inner side of the mounting sleeve 7; the sliding rod 65 penetrates through the first flange plate 1 and is in sliding connection with the first flange plate 1, the second wedge-shaped block 67 is fixedly arranged at one end of the sliding rod 65 and can be in contact with the first wedge-shaped block 64, the top block 66 is fixedly arranged at the other end of the sliding rod 65, and the spring 68 is sleeved on the sliding rod 65; the outer side of the first flange plate 1 is provided with a receiving groove 69 matched with the top block 66, and the top block 66 can be received in the receiving groove 69.
Working principle: during disassembly, after the connecting nut 5 and the connecting screw 4 are disassembled, the screw 62 is rotated by rotating the rotating cap 63, so that the first wedge block 64 moves, the first wedge block 64 contacts with the second wedge block 67, the second wedge block 67 drives the sliding rod 65 to move, the jacking block 66 acts on the second flange 2 to jack out the second flange 2 outwards, the first flange 1 and the second flange 2 are separated, the second flange 2 is prevented from being damaged by prying open the second flange 2, and the disassembly efficiency and the disassembly safety of the intermediate equipment are improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a pipeline flange, includes first ring flange (1) and second ring flange (2), its characterized in that, the equal fixed mounting of one end of first ring flange (1) and second ring flange (2) has connecting pipe (11), the equal fixed mounting in the outside of first ring flange (1) and second ring flange (2) has installation cover (7), two a plurality of ejecting subassemblies (6) are installed to installation cover (7) inboard, a plurality of ejecting subassemblies (6) are distributed around installation cover (61) equidistance, the equal fixed mounting in the outside of first ring flange (1) and second ring flange (2) has intubate (3), two intubate (3) can mutually support.
2. A pipe flange according to claim 1, characterized in that a plurality of connecting screws (4) are connected between the first flange plate (1) and the second flange plate (2), the connecting screws (4) are distributed around the first flange plate (1) at equal intervals, and connecting nuts (5) are arranged at two ends of the connecting screws (4) in a threaded manner.
3. The pipe flange according to claim 1 or 2, characterized in that the ejector assembly (6) comprises a screw (62), a swivel cap (63) and a first wedge (64); the screw rod (62) runs through the installation sleeve (7) and is in threaded connection with the installation sleeve (7), the rotary cap (63) is fixedly installed at one end of the screw rod (62), and the first wedge block (64) is fixedly installed at the other end of the screw rod (62) and is located at the inner side of the installation sleeve (7).
4. A pipe flange according to claim 3, characterized in that the ejector assembly (6) further comprises a slide bar (65), an ejector block (66), a second wedge block (67) and a spring (68); the sliding rod (65) penetrates through the first flange plate (1) and is in sliding connection with the first flange plate (1), the second wedge-shaped block (67) is fixedly arranged at one end of the sliding rod (65) and can be in contact with the first wedge-shaped block (64), the top block (66) is fixedly arranged at the other end of the sliding rod (65), and the spring (68) is sleeved on the sliding rod (65).
5. The pipe flange according to claim 4, characterized in that the outer side of the first flange plate (1) is provided with a receiving groove (69) matched with the top block (66), and the top block (66) can be received in the receiving groove (69).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320016777.1U CN219035870U (en) | 2023-01-05 | 2023-01-05 | Pipeline flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320016777.1U CN219035870U (en) | 2023-01-05 | 2023-01-05 | Pipeline flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219035870U true CN219035870U (en) | 2023-05-16 |
Family
ID=86292992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320016777.1U Active CN219035870U (en) | 2023-01-05 | 2023-01-05 | Pipeline flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219035870U (en) |
-
2023
- 2023-01-05 CN CN202320016777.1U patent/CN219035870U/en active Active
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