CN218267777U - Loose piece flange and flange connection structure - Google Patents
Loose piece flange and flange connection structure Download PDFInfo
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- CN218267777U CN218267777U CN202123251811.3U CN202123251811U CN218267777U CN 218267777 U CN218267777 U CN 218267777U CN 202123251811 U CN202123251811 U CN 202123251811U CN 218267777 U CN218267777 U CN 218267777U
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- flange
- loose
- pipeline
- loose piece
- pump body
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Abstract
The application relates to a loose piece flange, which comprises a plurality of flange pieces spliced end to end, wherein a plurality of connecting through holes are formed in each flange piece part around the axis of the loose piece flange; one end of one of any two adjacent flange pieces is provided with a first connecting part, and the first connecting part is provided with a first corresponding hole; a second connecting part lapped with the first connecting part is arranged at the end part of the other flange part, and a second corresponding hole communicated with the first corresponding hole is formed in the second connecting part; when the first connecting part and the second connecting part are correspondingly attached, the first corresponding hole and the second corresponding hole are communicated to form a connecting through hole. Simultaneously this application still relates to a flange joint structure with loose piece flange, and this application has the effect that reduces the pump body pipeline processing degree of difficulty to this application can cooperate with the standard flange of a plurality of national regulations and use.
Description
Technical Field
The application relates to the field of pipe connectors, in particular to a loose piece flange and a flange connecting structure.
Background
The flange connection is a connection mode which is used for fixing two pipelines, pipe fittings or equipment on a flange respectively, and the two flanges are fastened together by bolts to finish the connection. The mode that wherein pipe fitting and the equipment of taking the ring flange from the area connect also belongs to flange joint. The flange connection is an important connection mode in the current pipeline construction.
The flanges of the related art generally include two flange pieces of the same shape, which are integrally cast on the ends of two pipes to be connected, and then aligned and bolted.
In view of the above-mentioned related technologies, the inventors found that the difficulty in manufacturing the pump body pipeline integrally provided with the flange piece is high.
SUMMERY OF THE UTILITY MODEL
In order to reduce the degree of difficulty that uses flange joint's pipe machining made, this application provides a loose piece flange.
The application provides a loose piece flange adopts following technical scheme:
a loose piece flange comprises a plurality of flange pieces which are spliced end to end, wherein a plurality of connecting through holes are formed in each flange piece around the axis of the loose piece flange;
one end of one of any two adjacent flange pieces is provided with a first connecting part, and the first connecting part is provided with a first corresponding hole; a second connecting part lapped with the first connecting part is arranged at the end part of the other flange part, and a second corresponding hole communicated with the first corresponding hole is formed in the second connecting part; when the first connecting portion and the second connecting portion are correspondingly attached, the first corresponding hole and the second corresponding hole are communicated to form a connecting through hole.
By adopting the technical scheme, the loose piece flange can be sleeved at the end part of the pump body pipeline for flange connection and is in bolt connection with the fixed flange, the convex shoulder of the pipeline is clamped between the fixed flange and the loose piece flange, so that the pump body pipeline is connected and communicated with the connecting pipeline, the condition that the flange pieces in the related technology need to be fixedly connected or integrally cast at the end part of the pump body pipeline is avoided, and the processing difficulty of the pump body pipeline is reduced.
Optionally, the connection through holes on each flange part are uniformly distributed.
Through adopting above-mentioned technical scheme, the atress of loose piece flange can be more even when the pipeline is connected to the loose piece flange to the flange structure after making the installation is more stable.
Optionally, the connecting through holes are all kidney-shaped holes, and the length direction of the connecting through holes points to the axis of the flap flange.
Through adopting above-mentioned technical scheme, the loose piece flange can correspond with the standard mounting flange of different national standard to the application scope of loose piece flange has been promoted.
Optionally, the number of the flange portions is two, and the two flange portions are symmetric around the center point of the flap flange.
Through adopting above-mentioned technical scheme, the loose piece flange is formed by the concatenation of two flange pieces that the shape is the same, and arbitrary two flange piece portions with the specification can both make up and become a complete loose piece flange and use promptly, have improved the replaceability of flange piece portion.
Optionally, each flange part has been seted up the rabbet along the direction of internal diameter to external diameter, and a plurality of flange part connect the back, and a plurality of rabbets enclose into an annular caulking groove.
By adopting the technical scheme, when the loose piece flange is sleeved on the pipeline, the convex shoulder of the pipeline is embedded into the embedded groove, and the integrity and the stability between the loose piece flange and the pipeline are improved.
Optionally, the loose piece flange is sleeved on the outer side wall of the pipeline, and an adjusting gap exists between the inner side wall of the loose piece flange and the outer side wall of the pipeline.
Through adopting above-mentioned technical scheme, the staff can adjust the position of loose piece flange through adjusting clearance adaptability when corresponding the installation with loose piece flange and mounting flange to correspond with mounting flange better.
On the other hand, the flange connecting structure comprises a pump body pipeline, wherein an annular convex shoulder is coaxially and fixedly connected to the outer wall of the end part of the pump body pipeline; the device also comprises a loose piece flange;
the movable flange is sleeved on the pump body pipeline and can be abutted against a convex shoulder of the pump body pipeline, and the movable flange is detachably connected with a fixed flange at the end part of the connecting pipeline.
Optionally, the pump body pipeline structure further comprises a connecting pipeline, one end of the connecting pipeline, facing the pump body pipeline, is coaxially and fixedly connected with a fixed flange, and the movable flange piece is detachably connected with the fixed flange.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the loose piece flange is detachably connected to the pump body pipeline, so that the difficulty degree of the pump body pipeline in manufacturing and processing is simplified;
2. through setting up connect the through-hole into waist type hole for the loose piece flange can carry out the cooperative use with the flange piece that accords with each country's mechanical standard.
Drawings
Fig. 1 is an exploded view of the flange connection structure in the present embodiment.
Fig. 2 is an external structural view of the flange connection structure in the present embodiment.
Description of reference numerals: 1. a pump body conduit; 11. a shoulder is formed; 2. a loose piece flange; 21. a flange part; 211. a first connection portion; 2111. a first corresponding hole; 212. a second connecting portion; 2121. a second corresponding aperture; 213. embedding; 214. caulking grooves; 22. a connecting through hole; 3. connecting a pipeline; 4. and (5) fixing the flange.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses a loose piece flange and a flange connection structure.
Referring to fig. 1, the flange connection structure includes a pump body pipeline 1, and an annular shoulder 11 is coaxially and fixedly connected to the outer wall of the end portion of the pump body pipeline 1; still include the loose piece flange 2 of suit on pump body pipeline 1, loose piece flange 2 is used for can dismantle with the mounting flange 4 of connecting tube 3 tip and is connected.
The flange connection structure further comprises a connecting pipeline 3, a fixed flange 4 is fixedly connected to one end, facing the pump body pipeline 1, of the connecting pipeline 3 in a coaxial mode, and the loose piece flange 2 and the fixed flange 4 are detachably connected through a plurality of bolts.
When the pump body pipeline 1 and the connecting pipeline 3 are communicated with the flap flange 2 through the fixing flange 4, the flap flange 2 and the fixing flange 4 clamp and fix the convex shoulder 11 of the pump body pipeline 1, so that the relative position of the pump body pipeline 1 and the connecting pipeline 3 is fixed.
Wherein, the flap flange 2 includes a plurality of flange portion 21 that a plurality of end to end concatenation formed, evenly seted up a plurality of connect the via hole 22 around the axis of flap flange 2 on every flange portion 21.
Referring to fig. 1 and 2, in any two adjacent flange portions 21, one end of one flange portion 21 is provided with a first connection portion 211, and the first connection portion 211 is provided with a first corresponding hole 2111; one end of the other flange part 21 is provided with a second connecting part 212 lapped with the first connecting part 211, and the second connecting part 212 is provided with a second corresponding hole 2121 communicated with the first corresponding hole 2111; when the first connection portion 211 and the second connection portion 212 are correspondingly attached to each other, the first corresponding hole 2111 and the second corresponding hole 2121 communicate with each other to form a connection through hole 22.
As a preferred technical solution, the number of the flange portions 21 is two, and the two flange portions 21 are symmetrical around the center of the center point of the flap flange 2.
The detachable effect of the flap flange 2 can be achieved by the two flange portions 21 with the simplest structure, so that the worker can install or detach the flap flange 2 most conveniently. Meanwhile, the two flange pieces 21 forming the loose-leaf flange 2 are centrosymmetric, so that the two flange pieces 21 are the same in shape, namely the two flange pieces 21 of the same specification can be randomly combined and spliced into the loose-leaf flange 2, and the replaceability of the flange pieces 21 is improved.
In the flange connection structure, a fixed flange 4 on a connecting pipeline 3 is a standard flange plate. The standard flange plate can be made according to the standard of mechanical connectors in China, france, america, japan and other countries, a plurality of connecting holes with the same quantity and size are uniformly formed in the fixing flanges 4 with different standards around the axis of the fixing flange 4, but the distances from the connecting holes to the axis of the fixing flange 4 are different.
In order to improve the adaptability of the loose piece flange 2 to the fixed flange 4, the loose piece flange 2 can be correspondingly used with the fixed flanges 4 of different national standards, the connecting through holes 22 on the loose piece flange 2 are all arranged to be waist-shaped holes, and the length directions of all the connecting through holes 22 are the directions pointing to or deviating from the axis of the loose piece flange 2.
Referring to fig. 1 and fig. 2, as an alternative technical solution, two sides of each flange part 21 in the length direction are respectively provided with an insertion opening 213 with the same shape along the direction from the inner diameter to the outer diameter, and after the plurality of flange parts 21 are connected, the plurality of insertion openings 213 enclose an annular insertion groove 214, and the size of the insertion groove 214 is matched with the shoulder 11 on the pump body pipeline 1. When the fixed flange 4 and the movable flange connect the connecting pipeline 3 with the pump body pipeline 1, the shoulder 11 is embedded into the embedding groove 214 on the side of the flap flange 2 facing the fixed flange 4.
The shoulder 11 and the caulking groove 214 cooperate to position the flap flange 2 relative to the pump body pipe 1, thereby improving the integrity and stability between the flap flange 2 and the pipe to some extent.
In another embodiment, as an optional technical solution, the caulking groove 214 is not provided on the flap flange 2, when the flap flange 2 is sleeved on the outer side wall of the pipeline, an adjustment gap is reserved between the inner side wall of the flap flange 2 and the outer side wall of the pipeline, and the position of the flap flange 2 can be adaptively adjusted relative to the pump body pipeline 1 in the space of the adjustment gap.
When the position of the pump body is fixed and the position of the pump body pipeline 1 is not easy to adjust, the relative position of the movable flange and the pump body pipeline 1 can be adjusted in the space of the adjusting gap, so that the movable flange 2 and the fixed flange 4 can be correspondingly connected by a worker conveniently.
The implementation principle of a loose piece flange of the embodiment of the application is as follows: the worker firstly joints the two flange pieces 21 end to form the annular loose piece flange 2, and the loose piece flange 2 is sleeved on the pump body pipeline 1. And adjusting one end of the connecting pipeline 3 facing the pump body pipeline 1 to enable the fixed flange 4 and the movable sheet flange 2 to correspond to each other.
And then, the fixed flange 4 and the movable sheet flange 2 are connected together by a plurality of bolts, and the fixed flange 4 and the movable sheet flange 2 clamp and fix the convex shoulder 11 of the pump body pipeline 1, so that the relative position of the connecting pipeline 3 and the pump body pipeline 1 is fixed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A loose piece flange (2), its characterized in that: the flange comprises a plurality of flange parts (21) which are spliced end to end, and a plurality of connecting through holes (22) are formed in each flange part (21) around the axis of the loose piece flange (2);
one end of one flange part (21) of any two adjacent flange parts (21) is provided with a first connecting part (211), and a first corresponding hole (2111) is formed in the first connecting part (211); a second connecting part (212) overlapped with the first connecting part (211) is arranged at the end part of the other flange part (21), and a second corresponding hole (2121) communicated with the first corresponding hole (2111) is formed in the second connecting part (212); when the first connecting portion (211) and the second connecting portion (212) are correspondingly attached, the first corresponding hole (2111) and the second corresponding hole (2121) are communicated to form a connecting through hole (22).
2. A loose flange (2) according to claim 1, characterized in that: the connecting through holes (22) on each flange part (21) are uniformly distributed.
3. A loose flange (2) according to claim 2, characterized in that: the connecting through hole (22) is a waist-shaped hole, and the length direction of the connecting through hole (22) points to or deviates from the axis of the flap flange (2).
4. A loose-leaf flange (2) according to claim 1, characterized in that: the number of the flange parts (21) is two, and the two flange parts (21) are symmetrical around the center of the central point of the loose piece flange (2).
5. A loose flange (2) according to claim 4, characterized in that: each flange piece portion (21) has seted up caulking groove (213) along the direction of internal diameter to external diameter, and a plurality of flange piece portions (21) are connected the back, and a plurality of caulking grooves (213) enclose into an annular caulking groove (214).
6. A loose-leaf flange (2) according to claim 4, characterized in that: the outer side wall of the pipeline is sleeved with the loose piece flange (2), and an adjusting gap exists between the inner side wall of the loose piece flange (2) and the outer side wall of the pipeline.
7. A flange connecting structure is characterized by comprising a pump body pipeline (1), wherein an annular convex shoulder (11) is coaxially and fixedly connected to the outer wall of the end part of the pump body pipeline (1); further comprising a flap flange (2) according to any of claims 1~6;
the movable flange sheet is sleeved on the pump body pipeline (1) and can abut against a convex shoulder (11) of the pump body pipeline (1), and the movable flange sheet (2) is detachably connected with a fixed flange (4) at the end part of the connecting pipeline (3).
8. A flange connection according to claim 7, wherein: still include connecting tube (3), connecting tube (3) are towards the coaxial rigid coupling of one end of pump body pipeline (1) has mounting flange (4), and loose piece flange (2) can be dismantled with mounting flange (4) and be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123251811.3U CN218267777U (en) | 2021-12-22 | 2021-12-22 | Loose piece flange and flange connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123251811.3U CN218267777U (en) | 2021-12-22 | 2021-12-22 | Loose piece flange and flange connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218267777U true CN218267777U (en) | 2023-01-10 |
Family
ID=84708252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123251811.3U Active CN218267777U (en) | 2021-12-22 | 2021-12-22 | Loose piece flange and flange connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218267777U (en) |
-
2021
- 2021-12-22 CN CN202123251811.3U patent/CN218267777U/en active Active
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