CN215635583U - Anti-drop sealing flange - Google Patents

Anti-drop sealing flange Download PDF

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Publication number
CN215635583U
CN215635583U CN202122128728.0U CN202122128728U CN215635583U CN 215635583 U CN215635583 U CN 215635583U CN 202122128728 U CN202122128728 U CN 202122128728U CN 215635583 U CN215635583 U CN 215635583U
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China
Prior art keywords
flange piece
flange
holes
threaded
annular
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CN202122128728.0U
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Chinese (zh)
Inventor
刘建胜
李文强
周国正
王春亮
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Longquan Yujin Machinery Manufacturing Co ltd
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Longquan Yujin Machinery Manufacturing Co ltd
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Abstract

The utility model provides an anticreep sealing flange, including first flange piece and second flange piece, the border position of one side of first flange piece is fixed with the go-between, the one end of second flange piece inserts in the go-between, the other end of second flange piece is fixed with annular ka tai, go-between and transversely run through on the first flange piece and seted up a plurality of first screw through-holes, transversely run through on the annular ka tai and seted up a plurality of second screw through-holes, wear to be equipped with first fastening bolt and fix with the nut between second screw through-hole and the first screw through-hole, vertically run through on the go-between and seted up a plurality of third screw through-holes, a plurality of third screw through-holes and a plurality of first screw through-holes two liang of mutual intervals set up, a plurality of screw counter bores have been seted up on the second flange piece, wear to be equipped with second fastening bolt in third screw through-hole and the screw counter bore. The first flange plate and the second flange plate are firmly connected, and the sealing performance is strong.

Description

Anti-drop sealing flange
Technical Field
The utility model relates to the technical field of flanges, in particular to an anti-falling sealing flange.
Background
With the development of society, the application of pipelines in production or life is ubiquitous. In pipe connection, a flange joint is an indispensable device in pipe connection. In the traditional flange, the inlet end of the valve body directly covers the rubber ring through the valve cover, and when the flange is used, an external connecting pipe directly penetrates through the valve cover to be inserted into the rubber ring. After the traditional flange is used for a period of time, the connection position of the pipeline is easy to loosen, so that the connection position is not tight enough, medium leakage is caused, the pipeline is loosened, and the pipeline can be separated in a serious point.
Therefore, the utility model provides a new technical scheme, and aims to solve the problems that the flange connection is unstable, the looseness is easy to occur, and the medium leakage is caused.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide an anti-drop sealing flange, aiming at achieving the technical effects of firm flange connection and medium leakage prevention.
An anti-drop sealing flange comprises a first flange piece and a second flange piece, wherein the center positions of the first flange piece and the second flange piece are respectively provided with a circulation hole, the sides of the first flange piece and the second flange piece, which are deviated from each other, are respectively connected with a pipeline, the pipeline and the circulation hole are concentric and coaxial, the edge position of one side of the first flange piece, which is close to the second flange piece, is fixed with a connecting ring, one end of the second flange piece, which is close to the first flange piece, is inserted into the connecting ring, the other end of the second flange piece is positioned outside the connecting ring and is fixedly provided with an annular clamping table which is attached to the connecting ring, the connecting ring and the first flange piece are transversely provided with a plurality of first threaded through holes in a penetrating manner, the first threaded through holes are distributed in an annular array manner, and the annular clamping table is transversely provided with a plurality of second threaded through holes corresponding to the positions of the first threaded through holes in a penetrating manner, first fastening bolts penetrate through the second threaded through holes and are fixed through nuts, a plurality of third threaded through holes distributed in an annular array form longitudinally penetrate through the connecting ring, the third threaded through holes and the first threaded through holes are arranged at intervals, a plurality of threaded counter bores corresponding to the third threaded through holes are formed in the second flange piece, and second fastening bolts penetrate through the third threaded through holes and the threaded counter bores.
Through adopting above-mentioned technical scheme, through connecting first flange piece and second flange piece, make two pipelines on it communicate each other. When a first flange piece and a second flange piece need to be connected, the plurality of second threaded through holes correspond to the plurality of first threaded through holes respectively, the plurality of threaded counter bores correspond to the plurality of third threaded through holes respectively, one end of the second flange piece is inserted into the connecting ring, when the second flange piece is in contact with the first flange piece, the annular clamping table is in contact with the connecting ring, the first fastening bolts sequentially penetrate through the second threaded through holes and the first threaded through holes and are fixed through nuts, and the second fastening bolts sequentially penetrate through the third threaded through holes and the threaded counter bores, so that the first flange piece and the second flange piece can be fixed. According to the utility model, the first flange plate and the second flange plate are transversely fixed through the first fastening bolt, and the first flange plate and the second flange plate are longitudinally fixed through the second fastening bolt, so that the connection stability between the first flange plate and the second flange plate is enhanced, and the first flange plate and the second flange plate are prevented from loosening and falling off from each other. And the arrangement of the connecting ring improves the sealing performance between the first flange plate and the second flange plate, and the arrangement of the annular clamping table further improves the sealing performance between the first flange plate and the second flange plate. The first flange plate and the second flange plate are firmly connected, and the sealing performance is strong.
The utility model further comprises the following steps: an annular slot is formed in one side, close to the second flange piece, of the first flange piece, and an annular insertion block used for being inserted into the annular slot is arranged on one side, close to the first flange piece, of the second flange piece.
Through adopting above-mentioned technical scheme, when inserting the one end of second flange piece in the connecting ring, the annular inserted block can insert the annular slot, has promoted the leakproofness between first flange piece and the second flange piece.
The utility model further comprises the following steps: and a first rubber layer is fixed on the groove wall of the annular slot.
Through adopting above-mentioned technical scheme, the setting on first rubber layer has further promoted the leakproofness between first flange piece and the second flange piece.
The utility model further comprises the following steps: a first annular gasket sleeved outside the annular insertion block is arranged between the first flange piece and the second flange piece.
Through adopting above-mentioned technical scheme, the setting up of first annular gasket has promoted the stability of being connected between first flange piece and the second flange piece on the one hand, and on the other hand has promoted the leakproofness between first flange piece and the second flange piece.
The utility model further comprises the following steps: and a second rubber layer is fixed on the inner side wall of the connecting ring.
Through adopting above-mentioned technical scheme, the setting on second rubber layer has further promoted the leakproofness between first flange piece and the second flange piece.
The utility model further comprises the following steps: and a second annular gasket is arranged between the connecting ring and the annular clamping table, and a plurality of holes for the first fastening bolts to pass through are formed in the second annular gasket.
Through adopting above-mentioned technical scheme, the stability of being connected between first flange piece and the second flange piece has further been promoted on the one hand in setting up of second annular gasket, and on the other hand has further promoted the leakproofness between first flange piece and the second flange piece.
The utility model further comprises the following steps: the outer side wall of the connecting ring is fixedly provided with a positioning block, one side of the positioning block, which is far away from the connecting ring, is provided with a positioning groove, and the annular clamping table is fixedly provided with a positioning rod which is used for being inserted into the positioning groove.
Through adopting above-mentioned technical scheme, when inserting the second flange piece in the connecting ring, the locating lever aims at the constant head tank and inserts in the constant head tank, can fix a position the second flange piece fast, makes the position of second screw through-hole and first screw through-hole correspond, and the screw thread counter bore corresponds with the position of third screw through-hole.
Compared with the prior art, the utility model has the beneficial effects that:
according to the anti-falling sealing flange, the first flange piece and the second flange piece are transversely fixed through the first fastening bolt, and the first flange piece and the second flange piece are longitudinally fixed through the second fastening bolt, so that the connection stability between the first flange piece and the second flange piece is enhanced, and the first flange piece and the second flange piece are prevented from loosening and falling off from each other. And the arrangement of the connecting ring improves the sealing performance between the first flange plate and the second flange plate, and the arrangement of the annular clamping table further improves the sealing performance between the first flange plate and the second flange plate. The first flange plate and the second flange plate are firmly connected, and the sealing performance is strong.
Drawings
FIG. 1 is a schematic structural view of an anti-drop sealing flange according to the present invention;
FIG. 2 is a first cross-sectional view of an anti-separation sealing flange according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is a second cross-sectional view of an anti-separation sealing flange according to the present invention;
fig. 5 is an enlarged view at B in fig. 4.
Reference numerals: 1. a first flange piece; 2. a second flange piece; 3. a flow-through hole; 4. a pipeline; 5. a connecting ring; 6. an annular clamping table; 7. a first threaded through hole; 8. a second threaded through hole; 9. a first fastening bolt; 10. a third threaded through hole; 11. a threaded counter bore; 12. a second fastening bolt; 13. an annular slot; 14. an annular insert block; 15. a first rubber layer; 16. a first annular shim; 17. a second rubber layer; 18. a second annular gasket; 19. positioning blocks; 20. and (5) positioning the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A drop-proof sealing flange is shown in figures 1-5 and comprises a first flange plate 1, a second flange plate 2, a first annular gasket 16 and a second annular gasket 18.
The central point of first flange piece 1 and second flange piece 2 puts and has all seted up circulation hole 3, and the one side that deviates from on first flange piece 1 and the second flange piece 2 all is connected with pipeline 4, and pipeline 4 is concentric coaxial with circulation hole 3.
A connecting ring 5 is fixed on the edge position of one side of the first flange plate 1 close to the second flange plate 2. A second rubber layer 17 is fixed on the inner side wall of the connecting ring 5. A positioning block 19 is fixed on the outer side wall of the connecting ring 5, and a positioning groove is formed in one side, deviating from the connecting ring 5, of the positioning block 19.
The connecting ring 5 and the first flange plate 1 are transversely provided with a plurality of first threaded through holes 7 in a penetrating manner. The first threaded through holes 7 are distributed in an annular array. The connecting ring 5 and the second rubber layer 17 are longitudinally provided with a plurality of third threaded through holes 10 which are distributed in an annular array shape in a penetrating way. The third threaded through holes 10 and the first threaded through holes 7 are arranged at intervals.
An annular slot 13 is further formed in one side, close to the second flange piece 2, of the first flange piece 1, and a first rubber layer 15 is fixed on the slot wall of the annular slot 13.
One end of the second flange plate 2 close to the first flange plate 1 is inserted into the connecting ring 5 and is fixed with an annular insert block 14 for being inserted into the annular slot 13. The annular insert 14 is in interference fit with the first rubber layer 15. One end of the second flange plate 2 inserted into the connecting ring 5 is in interference fit with the second rubber layer 17.
The other end of the second flange plate 2 is positioned outside the connecting ring 5 and is fixed with an annular clamping table 6 attached to the connecting ring 5. A positioning rod 20 for inserting into the positioning groove is fixed on the annular clamping table 6.
A plurality of second threaded through holes 8 corresponding to the first threaded through holes 7 are transversely formed in the annular clamping table 6 in a penetrating mode. A first fastening bolt 9 penetrates between the second threaded through hole 8 and the first threaded through hole 7 and is fixed by a nut. A plurality of thread counter bores 11 corresponding to the third thread through holes 10 are formed in the second flange plate 2, and second fastening bolts 12 penetrate through the third thread through holes 10 and the thread counter bores 11.
The first annular gasket 16 is sleeved outside the annular insert block 14 and is located between the first flange plate 1 and the second flange plate 2.
The second annular gasket 18 is located between the connection ring 5 and the annular clamping table 6, and has a plurality of holes for the first fastening bolts 9 to pass through.
The working principle is as follows: the two pipelines 4 on the first flange plate 1 and the second flange plate 2 are communicated with each other by connecting the two flange plates.
When the first flange plate 1 and the second flange plate 2 need to be connected, the first annular gasket 16 is firstly sleeved outside the annular insertion block 14, the second annular gasket 18 is sleeved outside the second flange plate 2, and the hole in the second annular gasket 18 corresponds to the position of the second threaded through hole 8 in the annular clamping table 6.
And then the second flange piece 2 is inserted into the connecting ring 5, at the moment, the positioning rod 20 aligns to the positioning groove and is inserted into the positioning groove, so that the second flange piece 2 can be quickly positioned, the plurality of second threaded through holes 8 correspond to the plurality of first threaded through holes 7 respectively, and the plurality of threaded counter bores 11 correspond to the plurality of third threaded through holes 10 respectively.
When one end of the second flange plate 2 is inserted into the connection ring 5, the connection ring 5 is arranged to improve the sealing performance between the first flange plate 1 and the second flange plate 2, and the second rubber layer 17 is compressed to further improve the sealing performance between the first flange plate 1 and the second flange plate 2.
Meanwhile, the annular insert block 14 is inserted into the annular slot 13, so that the sealing performance between the first flange plate 1 and the second flange plate 2 is improved, and the first rubber layer 15 is extruded, so that the sealing performance between the first flange plate 1 and the second flange plate 2 is further improved.
When the second flange piece 2 contacts with the first flange piece 1, the annular clamping table 6 contacts with the connecting ring 5, and the first annular gasket 16 is clamped between the first flange piece 1 and the second flange piece 2, so that on one hand, the connection stability of the joint of the first flange piece 1 and the second flange piece 2 is improved, and on the other hand, the sealing performance of the joint of the first flange piece 1 and the second flange piece 2 is improved. The second annular gasket 18 is clamped between the connecting ring 5 and the annular clamping table 6, so that the connection stability of the joint of the connecting ring 5 and the annular clamping table 6 is further improved on one hand, and the sealing performance of the joint of the connecting ring 5 and the annular clamping table 6 is further improved on the other hand.
And finally, the first fastening bolt 9 sequentially passes through the second threaded through hole 8, the eyelet and the first threaded through hole 7 and is fixed by a nut. And the second fastening bolt 12 sequentially passes through the third threaded through hole 10 and the threaded counter bore 11, so that the first flange plate 1 and the second flange plate 2 can be fixed.
In the above process, after the second annular gasket 18 is fitted around the outside of the second flange plate 2, in order to prevent the second annular gasket 18 from shifting, one end of the first fastening bolt 9 may be inserted through the second threaded through hole 8 and the eyelet, thereby fixing the second annular gasket 18.
According to the utility model, the first flange piece 1 and the second flange piece 2 are transversely fixed through the first fastening bolt 9, and the first flange piece 1 and the second flange piece 2 are longitudinally fixed through the second fastening bolt 12, so that the connection stability between the first flange piece 1 and the second flange piece 2 is enhanced, and the first flange piece 1 and the second flange piece 2 are prevented from loosening and falling off from each other. The first flange plate 1 and the second flange plate 2 are firmly connected, and the sealing performance is strong.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides an anticreep sealing flange, includes first flange piece (1) and second flange piece (2), circulation hole (3) have all been seted up to the central point of first flange piece (1) and second flange piece (2), the one side that deviates from on first flange piece (1) and second flange piece (2) all is connected with pipeline (4), pipeline (4) are concentric coaxial with circulation hole (3), its characterized in that: a connecting ring (5) is fixed at the edge position of one side of the first flange piece (1) close to the second flange piece (2), one end of the second flange piece (2) close to the first flange piece (1) is inserted into the connecting ring (5), the other end of the second flange piece (2) is positioned outside the connecting ring (5) and is fixedly provided with an annular clamping table (6) jointed with the connecting ring (5), the connecting ring (5) and the first flange piece (1) are transversely provided with a plurality of first threaded through holes (7) in a penetrating way, the first threaded through holes (7) are distributed in an annular array shape, the annular clamping table (6) is transversely provided with a plurality of second threaded through holes (8) corresponding to the first threaded through holes (7) in position, and first fastening bolts (9) are penetrated between the second threaded through holes (8) and the first threaded through holes (7) and are fixed by nuts, the connecting ring (5) is longitudinally provided with a plurality of third threaded through holes (10) which are distributed in an annular array shape in a penetrating manner, the third threaded through holes (10) and the first threaded through holes (7) are arranged at intervals, the second flange piece (2) is provided with a plurality of threaded counter bores (11) corresponding to the third threaded through holes (10), and second fastening bolts (12) penetrate through the third threaded through holes (10) and the threaded counter bores (11).
2. The anti-drop sealing flange according to claim 1, wherein: an annular slot (13) is formed in one side, close to the second flange piece (2), of the first flange piece (1), and an annular inserting block (14) used for being inserted into the annular slot (13) is arranged on one side, close to the first flange piece (1), of the second flange piece (2).
3. The anti-drop sealing flange according to claim 2, wherein: and a first rubber layer (15) is fixed on the wall of the annular slot (13).
4. The anti-drop sealing flange according to claim 3, wherein: a first annular gasket (16) sleeved outside the annular insertion block (14) is arranged between the first flange piece (1) and the second flange piece (2).
5. The anti-drop sealing flange according to claim 4, wherein: and a second rubber layer (17) is fixed on the inner side wall of the connecting ring (5).
6. The anti-drop sealing flange according to claim 5, wherein: a second annular gasket (18) is arranged between the connecting ring (5) and the annular clamping table (6), and a plurality of holes for the first fastening bolts (9) to pass through are formed in the second annular gasket (18).
7. The anti-drop sealing flange according to claim 6, wherein: be fixed with locating piece (19) on the lateral wall of go-between (5), the constant head tank has been seted up to the one side that deviates from go-between (5) on locating piece (19), be fixed with on annular card platform (6) and be used for inserting locating lever (20) of constant head tank.
CN202122128728.0U 2021-09-03 2021-09-03 Anti-drop sealing flange Active CN215635583U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122128728.0U CN215635583U (en) 2021-09-03 2021-09-03 Anti-drop sealing flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122128728.0U CN215635583U (en) 2021-09-03 2021-09-03 Anti-drop sealing flange

Publications (1)

Publication Number Publication Date
CN215635583U true CN215635583U (en) 2022-01-25

Family

ID=79910064

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122128728.0U Active CN215635583U (en) 2021-09-03 2021-09-03 Anti-drop sealing flange

Country Status (1)

Country Link
CN (1) CN215635583U (en)

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