CN221171204U - Pipeline flange - Google Patents
Pipeline flange Download PDFInfo
- Publication number
- CN221171204U CN221171204U CN202323002975.1U CN202323002975U CN221171204U CN 221171204 U CN221171204 U CN 221171204U CN 202323002975 U CN202323002975 U CN 202323002975U CN 221171204 U CN221171204 U CN 221171204U
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- Prior art keywords
- flange
- connecting plate
- pipeline
- fixing
- inner cavity
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- 238000007789 sealing Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a pipeline flange, which comprises a pipeline flange ring, wherein the pipeline flange ring comprises a first pipeline and a second pipeline, the front side of the first pipeline is fixedly connected with the first flange, the pipeline flange is provided with a fixing bolt which is arranged in a mounting hole by a worker, a nut is arranged on the fixing bolt to fix the first flange and the second flange, a second connecting plate and a connecting groove are attached to the front side of the nut and the back side of the fixing bolt, a fixing frame is clamped on the surfaces of the first connecting plate and the second connecting plate, the connecting bolt is rotated, the fixing plate is driven by the connecting bolt to move to fix the second connecting plate and the first connecting plate, and the fixing bolt and the nut are limited, so that the situation that the sealing performance of the pipeline is reduced and liquid in the pipeline is finally oozed due to sliding of the two sides after loosening of the bolt can be avoided.
Description
Technical Field
The utility model relates to the technical field of pipeline flanges, in particular to a pipeline flange.
Background
The pipe flanges are divided into the following six basic types according to the connection with the pipe: flat welded flange, butt welded flange, socket welded flange, loose flange, screw flange and integral flange, flat welded flange: the method is mainly used for the condition of mild medium conditions, such as low-pressure non-purified compressed air and low-pressure circulating water, and has the advantage of low price; butt welding flange: the most commonly used one is that the welding joint is in butt welding connection with a pipe, the quality of the welding joint is relatively good, and the neck of the flange is transited by taper, so that the welding joint can bear relatively severe conditions; socket welding flange: is commonly used in pipelines with PN less than or equal to 10.0MPa and DN less than or equal to 40; loose flange: is often used in the conditions of low medium temperature and pressure and strong medium corrosiveness.
In long-term use of pipeline flange, probably can receive rocking or the mounting hole soaks for a long time and lead to fixing bolt not hard up because of the pipeline, and then lead to the leakproofness to reduce, liquid in the pipeline can ooze liquid, and most pipeline flange does not possess and carries out spacing function to fixing bolt, consequently, the skilled artisan provides a pipeline flange, through accomplish the installation back to the flange ring, install connecting plate and fixed establishment on the flange ring again, with this spacing to fixing bolt, avoid the bolt to take place to slide to both sides after becoming flexible and lead to the leakproofness of pipeline to descend, in order to solve the problem that proposes among the above-mentioned background art.
Disclosure of utility model
The present utility model is directed to a flange for a pipeline, which solves the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The pipeline flange comprises a pipeline flange ring, wherein the pipeline flange ring comprises a first pipeline and a second pipeline, the front side of the first pipeline is fixedly connected with a first flange, the back side of the second pipeline is fixedly connected with a second flange, and the outer sides of the first flange and the second flange are provided with a fixing mechanism and a connecting mechanism;
The inner cavities of the first flange and the second flange are provided with four mounting holes, the inner cavities of the mounting holes are provided with fixing bolts, nuts are connected with the front side threads of the fixing bolts, the connecting mechanism comprises a first connecting plate and a second connecting plate, the fixing mechanism comprises fixing frames, the number of the fixing frames is four, the inner cavities of the fixing frames are connected with the surfaces of the first flange, the second flange, the first connecting plate and the second connecting plate in a clamping manner, the front side threads of the inner cavities of the fixing frames are connected with the connecting bolts, and the back sides of the connecting bolts are movably connected with the fixing plates.
As still further aspects of the utility model: the connecting grooves are formed in two sides of the top of the inner cavity of the first connecting plate, connecting columns are fixedly connected to two sides of the bottom of the second connecting plate, and the surfaces of the connecting columns are connected with the inner cavity of the connecting grooves in a plug-in mode.
As still further aspects of the utility model: the inner cavity of the second connecting plate is fixedly connected with a first protection pad, and the inner cavity of the first connecting plate is fixedly connected with a second protection pad.
As still further aspects of the utility model: the inner cavity of the fixing frame is arc-shaped, and the radian of the inner cavity of the fixing frame is the same as the outer radian of the first flange, the second flange, the first connecting plate and the second connecting plate.
As still further aspects of the utility model: the back side fixedly connected with rubber pad of fixed plate, the back side of rubber pad contacts with the front side of first connecting plate and second connecting plate.
As still further aspects of the utility model: sealing gaskets are arranged in the inner cavities of the first flange and the second flange, and the sealing gaskets are arranged in a circular shape.
As still further aspects of the utility model: the inner cavity of the sealing gasket and the back side of the inner cavity of the second flange are respectively provided with slots, the number of the slots is four, the front side of the first flange is fixedly connected with a plug post, and the surface of the plug post is in plug connection with the surface of the slot.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, a fixing bolt is installed into an installation hole by a worker, then a nut is installed on the fixing bolt, the fixing of the first flange and the second flange is completed, then a second connecting plate and a connecting groove are attached to the front side of the nut and the back side of the fixing bolt, then a fixing frame is clamped on the surfaces of the first connecting plate and the second connecting plate, the connecting bolt is rotated, the fixing plate is driven by the connecting bolt to move to fix the second connecting plate and the first connecting plate, and then the fixing bolt and the nut are limited, so that the situation that the sealing performance of a pipeline is reduced due to sliding of the bolt to two sides after looseness is generated, and finally liquid in the pipeline is oozed is avoided.
2. According to the utility model, the first connecting plate and the second connecting plate are connected in an inserting way through the connecting column and the connecting groove, so that the effect of conveniently installing the first connecting plate and the second connecting plate on the first pipeline and the second pipeline is achieved, when a worker installs the first connecting plate and the second connecting plate, the inner sides of the first connecting plate and the second connecting plate are inevitably collided with the surfaces of the first pipeline and the second pipeline, and the first protection pad and the second protection pad can buffer the collision force and avoid damaging the first pipeline and the second pipeline.
Drawings
FIG. 1 is a schematic view of a piping flange;
FIG. 2 is a schematic illustration of a connection between a first flange and a first flange structure in a piping flange;
FIG. 3 is a schematic illustration of the connection of a gasket construction in a pipe flange;
FIG. 4 is a schematic illustration of the connection of a second connection plate structure in a piping flange;
Fig. 5 is a schematic connection diagram of a fixing frame structure in a pipe flange.
In the figure: 1. a pipe flange ring; 101. a first pipe; 102. a first flange; 103. a second pipe; 104. a second flange; 105. a sealing gasket; 106. a nut; 107. a fixing bolt; 108. a mounting hole; 109. a slot; 110. inserting a column; 2. a fixing mechanism; 201. a fixing frame; 202. a fixing plate; 203. a connecting bolt; 204. a rubber pad; 3. a connecting mechanism; 301. a first connection plate; 302. a second connecting plate; 303. a first protective pad; 304. a connecting column; 305. a connecting groove; 306. and a second protective pad.
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.
As shown in fig. 1-5, a pipeline flange comprises a pipeline flange ring 1, wherein the pipeline flange ring 1 comprises a first pipeline 101 and a second pipeline 103, the front side of the first pipeline 101 is fixedly connected with a first flange 102, the back side of the second pipeline 103 is fixedly connected with a second flange 104, and the outer sides of the first flange 102 and the second flange 104 are provided with a fixing mechanism 2 and a connecting mechanism 3;
The inner cavities of the first flange 102 and the second flange 104 are provided with mounting holes 108, the number of the mounting holes 108 is four, the inner cavities of the mounting holes 108 are provided with fixing bolts 107, the front side of each fixing bolt 107 is in threaded connection with nuts 106, the connecting mechanism 3 comprises a first connecting plate 301 and a second connecting plate 302, the fixing mechanism 2 comprises fixing frames 201, the number of the fixing frames 201 is four, the inner cavities of the fixing frames 201 are connected with the surfaces of the first flange 102, the second flange 104, the first connecting plate 301 and the second connecting plate 302 in a clamping manner, the front side of the inner cavities of the fixing frames 201 is in threaded connection with connecting bolts 203, and the back sides of the connecting bolts 203 are movably connected with fixing plates 202.
Specifically, the two sides of the top of the inner cavity of the first connecting plate 301 are provided with connecting grooves 305, the two sides of the bottom of the second connecting plate 302 are fixedly connected with connecting columns 304, and the surfaces of the connecting columns 304 are connected with the inner cavity of the connecting grooves 305 in a plugging manner.
Through the above technical scheme, the first connecting plate 301 and the second connecting plate 302 are connected in a plugging manner through the connecting columns 304 and the connecting grooves 305, and the structure has the effect of facilitating the installation of the first connecting plate 301 and the second connecting plate 302 on the first pipeline 101 and the second pipeline 103.
Specifically, the inner cavity of the second connecting plate 302 is fixedly connected with a first protection pad 303, and the inner cavity of the first connecting plate 301 is fixedly connected with a second protection pad 306.
Through the above technical scheme, when the first connecting plate 301 and the second connecting plate 302 are installed by the staff, the inner sides of the first connecting plate 301 and the second connecting plate 302 are inevitably collided with the surfaces of the first pipeline 101 and the second pipeline 103, and the first protection pad 303 and the second protection pad 306 can buffer the collision force, so that the first pipeline 101 and the second pipeline 103 are prevented from being damaged.
Specifically, the inner cavity of the fixing frame 201 is in an arc shape, and the radian of the inner cavity of the fixing frame 201 is the same as the outer radian of the first flange 102, the second flange 104, the first connecting plate 301 and the second connecting plate 302.
Through the above technical scheme, the inner cavity of the fixing frame 201 is in an arc-shaped arrangement, so that after the fixing frame 201 is installed, the fixing frame 201 is not easy to shake because the fixing frame 201 is connected with the outer sides of the first flange 102, the second flange 104, the first connecting plate 301 and the second connecting plate 302 in a clamping manner.
Specifically, the back side of the fixing plate 202 is fixedly connected with a rubber pad 204, and the back side of the rubber pad 204 is in contact with the front sides of the first connecting plate 301 and the second connecting plate 302.
Through the above technical scheme, the rubber pad 204 is fixedly connected to the back side of the fixing plate 202, so that the first connecting plate 301 and the second connecting plate 302 cannot be scratched when the fixing plate 202 fixes the first connecting plate 301 and the second connecting plate 302.
Specifically, the inner cavities of the first flange 102 and the second flange 104 are provided with sealing gaskets 105, and the sealing gaskets 105 are arranged in a circular shape.
Through the technical scheme, the sealing gaskets 105 are arranged in the inner cavities of the first flange 102 and the second flange 104, and the sealing gaskets 105 can increase the tightness between the first flange 102 and the second flange 104.
Specifically, slots 109 are formed in the inner cavity of the sealing gasket 105 and the back side of the inner cavity of the second flange 104, the number of the slots 109 is four, the front side of the first flange 102 is fixedly connected with a plug post 110, and the surface of the plug post 110 is in plug connection with the surface of the slot 109.
Through the above technical scheme, before the first flange 102 and the second flange 104 are fixed, the worker first aligns the insert posts 110 with the slots 109 for installation, so that the first flange 102 and the second flange 104 can be ensured to be aligned, and subsequent installation work is facilitated.
The working principle of the utility model is as follows: the staff pastes first flange 102, second flange 104 and sealing pad 105 together, then aligns post 110 and peg graft in slot 109, then install fixing bolt 107 into mounting hole 108, install nut 106 on fixing bolt 107, accomplish the fixed to first flange 102 and second flange 104, then install first connecting plate 301 and second connecting plate 302 together through spread groove 305 and spliced pole 304, then paste second connecting plate 302 and spread groove 305 to the front side of nut 106 and the dorsal side of fixing bolt 107, then card mount 201 to the surface of first connecting plate 301 and second connecting plate 302, rotate connecting bolt 203, connecting bolt 203 can drive fixed plate 202 and rubber pad 204 to remove and fix second connecting plate 302 and first connecting plate 301, and then spacing fixed bolt 107 and nut 106.
The foregoing description 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 solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. A pipe flange comprising a pipe flange ring (1), characterized in that: the pipeline flange ring (1) comprises a first pipeline (101) and a second pipeline (103), wherein a first flange (102) is fixedly connected to the front side of the first pipeline (101), a second flange (104) is fixedly connected to the back side of the second pipeline (103), and a fixing mechanism (2) and a connecting mechanism (3) are arranged on the outer sides of the first flange (102) and the second flange (104);
The inner cavities of the first flange (102) and the second flange (104) are provided with four mounting holes (108), the inner cavities of the mounting holes (108) are provided with fixing bolts (107), the front sides of the fixing bolts (107) are connected with nuts (106) in a threaded mode, the connecting mechanism (3) comprises a first connecting plate (301) and a second connecting plate (302), the fixing mechanism (2) comprises fixing frames (201), the number of the fixing frames (201) is four, the inner cavities of the fixing frames (201) are connected with the surfaces of the first flange (102), the second flange (104), the first connecting plate (301) and the second connecting plate (302) in a clamping mode, the front sides of the inner cavities of the fixing frames (201) are connected with connecting bolts (203) in a threaded mode, and the back sides of the connecting bolts (203) are movably connected with the fixing plates (202).
2. A duct flange as claimed in claim 1, wherein: the connecting device is characterized in that connecting grooves (305) are formed in two sides of the top of an inner cavity of the first connecting plate (301), connecting columns (304) are fixedly connected to two sides of the bottom of the second connecting plate (302), and the surfaces of the connecting columns (304) are connected with the inner cavity of the connecting grooves (305) in an inserting mode.
3. A duct flange as claimed in claim 1, wherein: the inner cavity of the second connecting plate (302) is fixedly connected with a first protection pad (303), and the inner cavity of the first connecting plate (301) is fixedly connected with a second protection pad (306).
4. A duct flange as claimed in claim 1, wherein: the inner cavity of the fixing frame (201) is in an arc-shaped arrangement, and the radian of the inner cavity of the fixing frame (201) is the same as the outer radian of the first flange (102), the second flange (104), the first connecting plate (301) and the second connecting plate (302).
5. A duct flange as claimed in claim 1, wherein: the back side of fixed plate (202) fixedly connected with rubber pad (204), the back side of rubber pad (204) and the front side contact of first connecting plate (301) and second connecting plate (302).
6. A duct flange as claimed in claim 1, wherein: and sealing gaskets (105) are arranged in the inner cavities of the first flange (102) and the second flange (104), and the sealing gaskets (105) are arranged in a circular shape.
7. A duct flange as defined in claim 6, wherein: the inner cavity of the sealing gasket (105) and the back side of the inner cavity of the second flange (104) are provided with slots (109), the number of the slots (109) is four, the front side of the first flange (102) is fixedly connected with inserting columns (110), and the surfaces of the inserting columns (110) are in plug-in connection with the surfaces of the slots (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323002975.1U CN221171204U (en) | 2023-11-08 | 2023-11-08 | Pipeline flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323002975.1U CN221171204U (en) | 2023-11-08 | 2023-11-08 | Pipeline flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221171204U true CN221171204U (en) | 2024-06-18 |
Family
ID=91533247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323002975.1U Active CN221171204U (en) | 2023-11-08 | 2023-11-08 | Pipeline flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221171204U (en) |
-
2023
- 2023-11-08 CN CN202323002975.1U patent/CN221171204U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |