CN219655505U - Low neck flange - Google Patents
Low neck flange Download PDFInfo
- Publication number
- CN219655505U CN219655505U CN202321023383.5U CN202321023383U CN219655505U CN 219655505 U CN219655505 U CN 219655505U CN 202321023383 U CN202321023383 U CN 202321023383U CN 219655505 U CN219655505 U CN 219655505U
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- CN
- China
- Prior art keywords
- flange
- fixedly connected
- pad
- flange plate
- plate
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Links
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a low-neck flange which comprises a first connecting bearing, wherein the lower end of the connecting shaft is fixedly connected with a first flange plate, the upper surface of the first flange plate is provided with a through hole, a first filter screen is arranged in the first flange plate, the lower surface of the first flange plate is fixedly connected with a first flange pad, the lower surface of the first flange pad is fixedly connected with a positioning block, the inside of the positioning block is fixedly connected with a fixed disc, the lower surface of the positioning block is fixedly connected with a second flange pad, and the lower surface of the second flange pad is fixedly connected with a second flange plate. Through above-mentioned structure, can make first ring flange, second ring flange fix a position before fixing through setting up locating piece and fixed disk, prevent to appear shifting the phenomenon, lead to causing the leakage when conveying liquid, through at first ring flange, second ring flange surface. The internal surface of the positioning block is internally provided with threads, so that the positioning is more convenient.
Description
Technical Field
The utility model relates to the technical field of flange connection, in particular to a low-neck flange.
Background
The flange connection is a detachable joint which is used for fixing two pipelines, pipe fittings or devices on one flange plate, then adding a flange pad between the two flange plates, and finally tightening the two flange plates by bolts to tightly combine the two flange plates. The connection of the stationary pipe to the rotating or reciprocating device may be achieved. The flange connection is mainly characterized by convenient disassembly, high strength and good sealing performance. When the flange is installed, the two flanges are required to be kept parallel, the sealing surfaces of the flanges cannot be damaged, and the flanges are required to be cleaned. The flange gasket is selected according to design rules, the flange plate is required to be correctly installed on an interface of equipment, and then the flange gasket is placed between the two flange plates. The bolts between the two flanges need to be tightened evenly to ensure that the flange gasket applies sufficient pressure between the two devices.
At present, the low neck flange is generally used for pipeline connection, and in the process of connecting the low neck flange with a pipeline, the low neck flange is firstly aligned and then fixed by bolts, but the bolts can shift in the fixing process, and the flanges on the market are not provided with parts for positioning, so that the flanges can be laterally moved after the fixing is completed, the flanges are not completely fixed, and the practicability of the flanges is greatly reduced.
Disclosure of Invention
The utility model provides a low-neck flange, which can position a first flange plate and a second flange plate before fixing by arranging a positioning block and a fixing plate, and prevent the phenomenon of displacement from occurring, so that leakage is caused when liquid is conveyed, and the leakage is prevented by arranging the positioning block and the fixing plate on the outer surfaces of the first flange plate and the second flange plate. The internal surface of the positioning block is internally provided with threads, so that the positioning is more convenient.
In order to achieve the above purpose, the low neck flange comprises a first connecting shaft, first flange lower extreme fixedly connected with first ring flange, first ring flange upper surface is provided with the through-hole, first ring flange inside is provided with first filter screen, first ring flange lower surface fixedly connected with first flange pad, first ring flange lower surface fixedly connected with locating piece, locating piece inside fixedly connected with fixed disk, locating piece lower surface fixedly connected with second flange pad, second ring flange lower surface fixedly connected with second ring flange, second ring flange lower surface is provided with the through-hole, second ring flange lower surface fixedly connected with second connecting shaft. The first connecting shaft is arranged to facilitate the rotation of the first flange plate to fix the first flange plate. The first flange is arranged to facilitate rotation for fixation. The first filter screen and the second filter screen are arranged for filtering impurities in the pipeline. The positioning block is arranged to facilitate the fixation of the first flange plate and the second flange plate, prevent the displacement from leaking, and the fixing plate is arranged to enable the bolts to be accurately fixed through the first flange plate and the second flange plate. The first flange pad and the second flange pad are arranged to ensure that liquid leakage is prevented when liquid is conveyed.
According to the low-neck flange, a plurality of through holes are formed, the through holes are distributed on the surfaces of the first flange plate and the second flange plate in an annular array, the through holes are threaded holes, and the through holes penetrate through the first flange plate and the second flange plate. The threaded holes are arranged to enable the first flange plate and the second flange plate to be fixedly connected.
According to the low-neck flange, the first flange pad and the second flange pad are rubber pads, through holes are formed in the upper surfaces of the first flange pad and the second flange pad, and the through holes penetrate through the first flange pad and the second flange pad. The first flange pad and the second flange pad are made of rubber materials, so that the waterproof performance is good, and liquid leakage can be better avoided. The first flange pad and the second flange pad are provided with through holes for facilitating the bolts to pass through.
According to the low-neck flange, the positioning block is in a circular tube shape, the fixing disc is positioned in the middle of the inner part of the positioning block and is hollow in the middle, and a through hole is formed in the upper surface of the fixing disc. The positioning block is arranged in a circular tube shape so as to facilitate the insertion of the first flange plate and the second flange plate for fixation. The fixed disk is provided with through holes for facilitating the bolts to pass through for fixing.
According to the low-neck flange, the first filter screen and the second filter screen are made of aluminum, and the first filter screen and the second filter screen are respectively positioned in the middle of the inner parts of the first flange plate and the second flange plate. The first filter screen and the second filter screen are made of aluminum to prevent liquid from rusting, reduce replacement and prolong service life. The first filter screen and the second filter screen are arranged in the middle of the inner parts of the first flange plate and the second flange plate so as to enable the filtration to be more sufficient.
According to the low-neck flange, threads are arranged on the outer surfaces of the first flange plate and the second flange plate, and threads are arranged on the inner surface of the positioning block. Threads are arranged on the outer surfaces of the first flange plate and the second flange plate and the inner surface of the positioning block so as to facilitate positioning and fixing of the second flange plate of the first flange plate and the positioning block.
According to the low-neck flange, the first flange plate and the second flange plate are symmetrically distributed at two ends of the positioning block. The first flange plate and the second flange plate are symmetrically distributed, so that the flange plate is more accurate when being fixed.
The utility model has the beneficial effects that: through setting up locating piece and fixed disk, can make first ring flange, second ring flange fix a position before fixing, prevent to appear shifting the phenomenon, lead to causing the leakage when conveying liquid, through at first ring flange, second ring flange surface. The internal surface of the positioning block is internally provided with threads, so that the positioning is more convenient. By arranging the first flange pad and the second flange pad, leakage can not occur when the pipelines are connected.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further illustrated by the following figures and examples;
FIG. 1 is a schematic view of a low neck flange according to the present utility model;
FIG. 2 is a front view of a low neck flange according to the present utility model;
FIG. 3 is a schematic view of a positioning block of a low neck flange according to the present utility model;
fig. 4 is a first flange plate view of a low neck flange according to the present utility model.
Legend description:
1. a first connecting shaft; 2. a first flange; 3. a first flange pad; 4. a positioning block; 5. a fixed plate; 6. a second flange; 7. a second connecting shaft; 8. a second flange pad; 9. a first filter screen; 10. and a second filter screen.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the embodiment of the utility model provides a low neck flange, which comprises a first connecting shaft 1, wherein the lower end of the first connecting shaft 1 is fixedly connected with a first flange plate 2, the upper surface of the first flange plate 2 is provided with through holes, a first filter screen 9 is arranged inside the first flange plate 2, a fixed plate 5 is fixedly connected inside a positioning block 4, the lower surface of the positioning block 4 is fixedly connected with a second flange pad 8, the lower surface of the second flange pad 8 is fixedly connected with a second flange plate 6, the inner part of the second flange plate 6 is fixedly connected with a second filter screen 10, the lower surface of the second flange plate 6 is provided with a plurality of through holes, the plurality of through holes are distributed on the surfaces of the first flange plate 2 and the second flange plate 6 in an annular array, the plurality of through holes are threaded holes, and the through holes penetrate through the first flange plate 2 and the second flange plate 6. The lower surface of the second flange plate 6 is fixedly connected with a second connecting shaft 7. The locating block 4 is in a circular tube shape, the fixed disc 5 is positioned in the middle of the inside of the locating block, the middle is hollowed out, and a through hole is formed in the upper surface of the fixed disc 5.
The fixed surface is connected with first flange pad 3 under the first ring flange 2, and fixed surface is connected with locating piece 4 under the first flange pad 3, and first flange pad 3, second flange pad 8 are the rubber pad, and first flange pad 3, second flange pad 8 upper surface is provided with the through-hole, and the through-hole runs through first flange pad 3, second flange pad 8.
The first filter screen 9 and the second filter screen 10 are made of aluminum, the first filter screen 9 and the second filter screen 10 are respectively positioned in the middle of the inner parts of the first flange plate 2 and the second flange plate 6, the outer diameters of the first flange plate and the second flange plate are consistent with the inner diameter of the positioning block, and the first flange plate and the second flange plate can be completely inserted into the positioning block to finish positioning.
The outer surfaces of the first flange plate 2 and the second flange plate 6 are provided with threads, and the inner surface of the positioning block 4 is provided with threads. The first flange plate 2 and the second flange plate are symmetrically distributed at two ends of the positioning block.
Working principle: before the pipeline is connected, the first connecting shaft 1 is rotated firstly, the first connecting shaft 1 drives the first flange plate 2 to rotate downwards, as the outer surface of the first flange plate 2 is provided with threads, the positioning block 4 is internally provided with threads, the first flange plate 2 rotates to the upper surface of the fixed plate 5, the second flange plate 6 rotates to the lower surface of the fixed plate 5, after the positioning is finished, the second flange plate 6 is fixed to a threaded hole of the first flange plate 2 by using a bolt, and then the bolt is rotated, so that the bolt passes through the first flange pad 3, the fixed plate 5 and the second flange pad 8 to reach the second flange plate 6, and the fixing work is finished.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. The utility model provides a low neck flange, its characterized in that, includes first connecting axle (1), first connecting axle (1) lower extreme fixedly connected with first ring flange (2), first ring flange (2) upper surface is provided with the through-hole, first ring flange (2) inside is provided with first filter screen (9), first ring flange (2) lower surface fixedly connected with first flange pad (3), first ring flange (3) lower surface fixedly connected with locating piece (4), locating piece (4) inside fixedly connected with fixed disk (5), locating piece (4) lower surface fixedly connected with second ring flange (8), second ring flange (8) lower surface fixedly connected with second ring flange (6), second ring flange (6) inside fixedly connected with second filter screen (10), second ring flange (6) lower surface is provided with the through-hole, second ring flange (6) lower surface fixedly connected with second connecting axle (7).
2. A low neck flange according to claim 1, wherein a plurality of through holes are distributed on the surfaces of the first flange plate (2) and the second flange plate (6) in an annular array, the plurality of through holes are threaded holes, and the plurality of through holes penetrate through the first flange plate (2) and the second flange plate (6).
3. The low neck flange according to claim 1, wherein the first flange pad (3) and the second flange pad (8) are rubber pads, and through holes are formed in the upper surfaces of the first flange pad (3) and the second flange pad (8), and penetrate through the first flange pad (3) and the second flange pad (8).
4. The low neck flange according to claim 1, wherein the positioning block (4) is in a circular tube shape, the fixing disc (5) is positioned in the middle of the inner part of the positioning block and is hollow in the middle, and a through hole is formed in the upper surface of the fixing disc (5).
5. The low neck flange according to claim 1, wherein the first filter screen (9) and the second filter screen (10) are made of aluminum, and the first filter screen (9) and the second filter screen (10) are respectively positioned in the middle of the inner parts of the first flange plate (2) and the second flange plate (6).
6. A low neck flange according to claim 1, characterized in that the outer surfaces of the first flange plate (2) and the second flange plate (6) are provided with threads, and the inner surface of the positioning block (4) is provided with threads.
7. A low neck flange according to claim 1, characterized in that the first flange plate (2) and the second flange plate are symmetrically distributed at both ends of the positioning block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023383.5U CN219655505U (en) | 2023-05-04 | 2023-05-04 | Low neck flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321023383.5U CN219655505U (en) | 2023-05-04 | 2023-05-04 | Low neck flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655505U true CN219655505U (en) | 2023-09-08 |
Family
ID=87855003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321023383.5U Active CN219655505U (en) | 2023-05-04 | 2023-05-04 | Low neck flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655505U (en) |
-
2023
- 2023-05-04 CN CN202321023383.5U patent/CN219655505U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |