CN211821193U - Reducing flange - Google Patents
Reducing flange Download PDFInfo
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- CN211821193U CN211821193U CN202020407659.XU CN202020407659U CN211821193U CN 211821193 U CN211821193 U CN 211821193U CN 202020407659 U CN202020407659 U CN 202020407659U CN 211821193 U CN211821193 U CN 211821193U
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- connecting disc
- flange
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Abstract
The invention provides a reducing flange, which comprises a first connecting disc and a second connecting disc, wherein a plurality of flange split bodies are fixed between the first connecting disc and the second connecting disc; a plurality of limiting grooves are uniformly distributed on the inner side of the first connecting disc, and a positioning block is arranged between every two positioning grooves; a positioning groove matched with the positioning block on the first connecting disc is formed in the inner side of the second connecting disc; the flange split body comprises an inner fixing part and an outer expansion part; the inner fixing portion is arranged on the inner side wall of the limiting groove, the inner fixing portion is arranged on the inner side wall of the limiting groove in a sliding fit mode, a through hole is formed in the first connecting disc, and a mounting hole is formed in the second connecting disc corresponding to the through hole. The combined type reducing flange is reasonable in structural design and good in overall stress condition, the flange split bodies are effectively limited by matching the flange split bodies with the limiting grooves, meanwhile, the positioning blocks on the first connecting disc are matched with the positioning grooves on the second connecting disc, the shearing force borne by the connecting pieces is reduced, the combined type reducing flange is guaranteed to have long service life, and the structural stability is good.
Description
Technical Field
The invention belongs to the technical field of flange connection, and particularly relates to a reducing flange.
Background
The flange is main connecting device, it plays the connection effect to correspond pipeline or pipeline, but common flange structure is fixed structure mostly, adaptability is relatively poor, in case the job site flange size can not match, then need make the flange again, influence the construction progress, although the flange structure of combination formula has appeared among the prior art, however, its structure is unstable, whole atress condition is also not ideal enough, in addition, under operating condition, overall structure is also great to the shearing force of connecting piece when being loaded, relatively easy damage, consequently, need make further improvement.
Disclosure of Invention
In view of this, the present invention provides a reducing flange to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a reducing flange comprises a first connecting disc and a second connecting disc, wherein a plurality of flange split bodies are fixed between the first connecting disc and the second connecting disc; a plurality of limiting grooves are uniformly distributed on the inner side of the first connecting disc, and a positioning block is arranged between every two positioning grooves; a positioning groove matched with the positioning block on the first connecting disc is formed in the inner side of the second connecting disc;
the flange split body comprises an inner fixing part and an outer expansion part; two sides of the inner fixing part are in sliding fit with two side walls of the limiting groove, a through hole is formed in the first connecting disc, a mounting hole is formed in the second connecting disc corresponding to the through hole, a plurality of fixing holes matched with the through hole are formed in the inner fixing part, and the fixing holes are arranged along the radial direction of the first connecting disc;
the outer expansion part is provided with a connecting hole.
Furthermore, the outer expanding part is in a fan shape, and 1-3 connecting holes are formed in the outer expanding part.
Furthermore, 3-5 flange components of a whole that can function independently are provided.
Furthermore, each flange split body is uniformly distributed by taking the center of the first connecting disc as the center.
Further, the thickness of the flange body is the same as the depth of the limiting groove.
Furthermore, the first connecting disc is formed by two first disc split bodies, the second connecting disc is formed by two second disc split bodies, and the plane where the two first disc split bodies are in butt joint with the plane where the second disc split bodies are in butt joint is arranged in a staggered mode.
Compared with the prior art, the invention has the following advantages:
the combined type reducing flange is reasonable in structural design and good in overall stress condition, the flange split bodies are effectively limited by matching the flange split bodies with the limiting grooves, meanwhile, the positioning blocks on the first connecting disc are matched with the positioning grooves on the second connecting disc, the shearing force borne by the connecting pieces is reduced, the combined type reducing flange is guaranteed to have long service life, and the structural stability is good.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the invention without limitation. In the drawings:
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of a first splice tray in accordance with an embodiment of the present invention;
FIG. 3 is a schematic view of a second land in an embodiment of the present invention;
FIG. 4 is a schematic view of a flange split body in the inventive embodiment of the present invention;
fig. 5 is a schematic view of the flange in the embodiment of the present invention in a split structure.
Description of reference numerals:
1-a first splice tray; 2-a second connecting disc; 3-splitting the flange; 4-a limiting groove; 5-positioning a block; 6-positioning a groove; 7-an inner fixing part; 8-external expansion part; 9-side wall; 10-a via hole; 11-mounting holes; 12-a fixation hole; 13-connecting holes; 14-a first disc split; 15-second plate split; 16-connecting piece.
Detailed Description
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
The invention will be described in detail with reference to the following embodiments with reference to the attached drawings.
A reducing flange is shown in figures 1 to 5 and comprises a first connecting disc 1 and a second connecting disc 2, wherein a plurality of flange split bodies 3 are fixed between the first connecting disc 1 and the second connecting disc 2; a plurality of limiting grooves 4 are uniformly distributed on the inner side of the first connecting disc, and a positioning block 5 is arranged between every two positioning grooves; a positioning groove 6 matched with the positioning block on the first connecting disc is formed in the inner side of the second connecting disc;
the flange split body comprises an inner fixing part 7 and an outer expanding part 8; the two sides of the inner fixing part are in sliding fit with the two side walls 9 (along the radial direction of the first connecting disc) of the limiting groove, and the length of the inner fixing part is smaller than the length of the limiting groove extending towards the inner side of the first connecting disc in the radial direction of the first connecting disc, namely, when the flange split mounting position is adjusted along the radial direction, the inner fixing part cannot be interfered by the limiting groove and can be adjusted within an effective size range.
The flange structure has almost no difference with an integrally formed flange structure, and when the flange structure is used, the flanges are separately fixed at the positions with the same outer diameter, namely the flanges with the connecting size are formed, so that the structure is very stable, and the normal use performance of the flanges can be realized.
The flange split type flange is characterized in that a through hole 10 is formed in the first connecting disc, a mounting hole 11 is formed in the second connecting disc corresponding to the through hole, a plurality of fixing holes 12 matched with the through holes are formed in the inner fixing portion of the flange split body, a connecting piece 16 sequentially penetrates through the through hole of the first connecting disc and the fixing hole of the flange split body and then is connected to the mounting hole of the second connecting disc to achieve fixing, and in addition, the fixing holes are arranged along the radial direction of the first connecting disc to ensure that the flange split body can conveniently adjust the fixing position in the radial direction, and further, the diameters of different flanges can be adjusted;
the outer expansion part is provided with a connecting hole 13, and the connecting hole on the expansion part is a connecting hole on the flange and is used for realizing the connection and fixation of a structural part.
Usually, the flange is provided with 3-5 split bodies, the outer expansion part is generally designed into a fan shape, the coverage range of the flange can be effectively expanded, and the flange is provided with 1-3 connecting holes to play a good role in fixed connection.
Each flange components of a whole that can function independently uses first connection pad center as the equipartition setting of center, and structural stability is good, and in addition, the thickness of above-mentioned flange body is the same with the degree of depth of spacing groove, promptly, first connection pad and second connection pad can be fixed the flange components of a whole that can function independently clamp between the two after the assembly, guarantee good stability.
To facilitate assembly, in an alternative embodiment, the flanges may be designed as a split construction. That is, the first connecting disk is designed to be a two-piece first disk split body 14, the second connecting disk is designed to be a two-piece second disk split body 15, the plane where the two first disk split bodies are butted is staggered with the plane where the second disk split bodies are butted, and the service performance of the assembled reducing flange is the same as that of an integral flange, as shown in fig. 4, the reducing flange is an example of a reducing flange formed by combining 4 flange split bodies.
The combined type reducing flange is reasonable in structural design and good in overall stress condition, the flange split bodies are effectively limited by matching the flange split bodies with the limiting grooves, meanwhile, the positioning blocks on the first connecting disc are matched with the positioning grooves on the second connecting disc, the shearing force borne by the connecting pieces is reduced, the combined type reducing flange is guaranteed to have long service life, and the structural stability is good.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, so that any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (6)
1. A reducing flange is characterized in that: the flange split type connecting device comprises a first connecting disc and a second connecting disc, wherein a plurality of flange split bodies are fixed between the first connecting disc and the second connecting disc; a plurality of limiting grooves are uniformly distributed on the inner side of the first connecting disc, and a positioning block is arranged between every two positioning grooves; a positioning groove matched with the positioning block on the first connecting disc is formed in the inner side of the second connecting disc;
the flange split body comprises an inner fixing part and an outer expansion part; two sides of the inner fixing part are in sliding fit with two side walls of the limiting groove, a through hole is formed in the first connecting disc, a mounting hole is formed in the second connecting disc corresponding to the through hole, a plurality of fixing holes matched with the through hole are formed in the inner fixing part, and the fixing holes are arranged along the radial direction of the first connecting disc;
the outer expansion part is provided with a connecting hole.
2. The variable diameter flange according to claim 1, wherein: the outer expanding part is in a fan shape and is provided with 1-3 connecting holes.
3. The variable diameter flange according to claim 1, wherein: 3-5 flange components of a whole that can function independently are provided.
4. The variable diameter flange according to claim 1, wherein: the flange split bodies are uniformly distributed by taking the center of the first connecting disc as the center.
5. The variable diameter flange according to claim 1, wherein: the thickness of the flange body is the same as the depth of the limiting groove.
6. The variable diameter flange according to claim 1, wherein: the first connecting disc is formed by two split first disc bodies, the second connecting disc is formed by two split second disc bodies, and the plane where the two split first disc bodies are in butt joint with the plane where the two split second disc bodies are in butt joint is arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407659.XU CN211821193U (en) | 2020-03-26 | 2020-03-26 | Reducing flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407659.XU CN211821193U (en) | 2020-03-26 | 2020-03-26 | Reducing flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211821193U true CN211821193U (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020407659.XU Active CN211821193U (en) | 2020-03-26 | 2020-03-26 | Reducing flange |
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| Country | Link |
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| CN (1) | CN211821193U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669528A (en) * | 2021-09-01 | 2021-11-19 | 扬中市旭晨精密模锻有限公司 | Flange forging and forging method thereof |
-
2020
- 2020-03-26 CN CN202020407659.XU patent/CN211821193U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669528A (en) * | 2021-09-01 | 2021-11-19 | 扬中市旭晨精密模锻有限公司 | Flange forging and forging method thereof |
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