Vacuum flange for non-circular channel

Abstract

The vacuum flange for the non-circular channel comprises a flange plate body and a non-circular pipeline, the flange plate body is provided with an adjustable punching assembly, one side of the non-circular pipeline is provided with a square connecting plate, and a positioning connecting assembly is arranged between the square connecting plate and the adjustable punching assembly, so that stable connection between the square connecting plate and the adjustable punching assembly is achieved. An adaptive sealing assembly is arranged between the flange plate body and the non-circular pipeline and used for sealing the flange plate body and the non-circular pipeline, the vacuum flange for the non-circular channel is provided with the adjustable perforating assembly and the arc-shaped holes which are of an arc-shaped structure, the number of the arranged arc-shaped holes can be customized according to needs, connecting bolts can penetrate through the holes conveniently, and the penetrating positions of the connecting bolts cannot be limited; according to the non-circular pipeline connecting device, connecting bolts on a non-circular pipeline can penetrate through the device, even if the end of the non-circular pipeline is triangular, the three connecting bolts can also conveniently and rapidly penetrate through the arc-shaped holes, the adaptability is high, and connection is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum flange technical field especially relates to a vacuum flange for non -circular channel. BACKGROUND

[0002] Vacuum flange is a kind of special flange for connecting each component in vacuum system, its design allows passing gas or liquid through flange while keeping sealing, vacuum flange has wide application in multiple fields, including semiconductor manufacturing, food processing, laboratory equipment, medical equipment, aerospace, automobile manufacturing industry, energy industry, solar industry, glass manufacturing and pharmaceutical industry etc.

[0003] Vacuum flange is usually used for circular channel, because its design and sealing mode are mainly for adapting circular interface, however, in some special applications, vacuum flange can also be used for non-circular channel, the positioning interface outside the flange connecting disc of circular flange, cannot be connected with non-circular structure quickly, thereby not easy to connect quickly, and after connection, due to the difference of shape, easy to operate connection, the problem of poor sealing, therefore, a kind of vacuum flange for non-circular channel is presented. SUMMARY

[0004] In view of the defects of prior art, the utility model provides a kind of vacuum flange for non-circular channel, to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of vacuum flange for non-circular channel, including flange body and non-circular pipeline, the flange body is provided with adjustable perforating component, one side of non-circular pipeline is provided with square connecting plate, positioning connecting component is arranged between square connecting plate and adjustable perforating component, to realize the stable connection between the two, the flange body and non-circular pipeline are provided with adaptive sealing assembly, for the sealing of the two.

[0007] Preferably, the adjustable perforating component includes a flange connecting ring arranged outside the flange body, a plurality of arc-shaped holes are formed on the outer side of the flange connecting ring.

[0008] Preferably, the number of arc-shaped holes is four, and is arranged in a circumferential array, a plurality of anti-skid grooves are arranged on the side of the flange connecting ring.

[0009] Preferably, the positioning connecting component includes a connecting bolt arranged on the square connecting plate, one end of the connecting bolt is movably penetrated through the arc-shaped hole.

[0010] Preferably, the adaptive sealing assembly includes an inner edge groove formed on the end of the flange body, a compression rubber ring is installed in the inner edge groove, a sealing plate is fixedly installed on one side of the compression rubber ring.

[0011] Preferably, the sealing plate is arranged in a circular structure, the diameter of which is consistent with the diameter of the inner edge groove, and a through hole is formed in the middle of the sealing plate.

[0012] Preferably, a limiting groove is formed on the inner wall of the inner edge groove, and an end of the compression rubber ring is provided with a limiting block which is installed in the limiting groove.

[0013] Compared with the prior art, the non-circular channel vacuum flange has the beneficial effects that: the adjustable perforating assembly is arranged, the arc-shaped holes are arranged in an arc-shaped structure, the number of the arc-shaped holes can be customized according to requirements, the arc-shaped holes are convenient for the through of the connecting bolts, the position of the through of the connecting bolts is not limited, the non-circular channel vacuum flange can adapt to the through of the connecting bolts on the non-circular pipeline, even if the end of the non-circular pipeline is triangular, the three connecting bolts can also pass through the arc-shaped holes conveniently and quickly, the adaptability is strong, and the connection is more convenient.

[0014] The adaptive sealing assembly is arranged, when the square connecting plate is close to the flange body, the compression rubber ring provides a good sealing effect under the extrusion sealing effect, the flange body and the non-circular pipeline are not prone to gas leakage, the diameter of the sealing plate is large, the end of the non-circular pipeline is well contacted and sealed, the shape and size of the through hole can be cut, the through hole is better matched with the non-circular pipeline, and the liquid or gas is better conveyed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a left side observation three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a right side observation three-dimensional structure schematic view of the utility model;

[0017] Figure 3 It is an explosion structure schematic view of the utility model;

[0018] Figure 4 It is a local explosion left view structure schematic view of the utility model;

[0019] Figure 5 It is a local explosion right view structure schematic view of the utility model.

[0020] In the drawing: 1, flange body; 2, non-circular pipeline; 3, flange connecting ring; 4, square connecting plate; 5, arc-shaped hole; 6, anti-skid groove; 7, inner edge groove; 8, limiting groove; 9, limiting block; 10, compression rubber ring; 11, sealing plate; 12, through hole; 13, connecting bolt. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Embodiment: Refer to Figures 1-5 The utility model provides a kind of vacuum flange for non-circular channel, including flange body 1 and non-circular pipeline 2, adjustable perforating assembly is provided on flange body 1, one side of non-circular pipeline 2 is provided with square connecting plate 4, and positioning connecting assembly is provided between square connecting plate 4 and adjustable perforating assembly, to realize the stable connection between the two, and adaptive sealing assembly is provided between flange body 1 and non-circular pipeline 2, for the sealing of the two.

[0023] Specifically, adjustable perforating assembly includes flange connecting ring 3 arranged outside flange body 1, a plurality of arc holes 5 are formed on the outer side of flange connecting ring 3, the number of arc holes 5 is four, and is arranged in circumferential array, positioning connecting assembly includes connecting bolt 13 arranged on square connecting plate 4, one end of connecting bolt 13 is movably penetrated through arc hole 5, square connecting plate 4 connected with non-circular pipeline 2 is close to flange body 1, and is connected, a plurality of arc holes 5 on adjustable perforating assembly, four arc holes 5 are normally arranged, can meet more shape pipeline connection, six or eight can also be arranged, connecting bolt 13 on square connecting plate 4 is penetrated through four arc holes 5, and forms square structure, arc hole 5 is a hole arranged in arc structure, facilitating the penetration of connecting bolt 13, without limiting the position of connecting bolt 13 penetration, can adapt to the penetration of connecting bolt 13 on non-circular pipeline 2, even if the end of non-circular pipeline 2 is triangular, three connecting bolts 13 can also be conveniently and quickly penetrated through arc hole 5, with strong adaptability, connection is more convenient, the side of flange connecting ring 3 is provided with a plurality of anti-skid grooves 6, by the arrangement of anti-skid groove 6, after the tightening of connecting bolt 13, anti-skid groove 6 can play a good anti-skid effect, flange body 1 and non-circular pipeline 2 are not relative sliding after connection.

[0024] Specifically, the adaptive sealing assembly comprises an inner edge groove 7 formed in the end of the flange body 1, a compression rubber ring 10 is installed in the inner edge groove 7, one side of the compression rubber ring 10 is fixedly installed with a sealing plate 11, the adaptive sealing assembly is provided, the compression rubber ring 10 on the adaptive sealing assembly has a certain compression and extrusion effect, when the square connecting plate 4 approaches the flange body 1, it will contact the sealing plate 11, extrude and compress the compression rubber ring 10, thereby providing a good sealing effect, the sealing plate 11 is moved into the inner edge groove 7 after being extruded, a limiting groove 8 is formed in the inner wall of the inner edge groove 7, a limiting block 9 is arranged at the end of the compression rubber ring 10, the limiting block 9 is installed in the limiting groove 8, the limiting groove 8 and the limiting block 9 can limit the position of the compression rubber ring 10, so as to avoid displacement after extrusion, the sealing plate 11 is circular in structure and has the same diameter as the inner edge groove 7, a through hole 12 is formed in the middle of the sealing plate 11, the inner diameter of the sealing plate 11 is larger, even if the end connected with the non-circular pipeline 2 is triangular, the sealing plate 11 can also effectively block and seal it, so as to avoid leakage of the transported liquid or gas, the through hole 12 on the sealing plate 11 can be cut, the shape and size of the through hole 12 are cut to better match the non-circular pipeline 2, thereby better facilitating the transportation of liquid or gas.

[0025] In use: when the vacuum flange is connected with the non-circular channel, the square connecting plate 4 and the flange body 1 are connected with each other, the plurality of arc-shaped holes 5 are provided, the connecting bolts 13 on the square connecting plate 4 pass through the four arc-shaped holes 5, the arc-shaped hole 5 is an arc-shaped hole, which is convenient for the connecting bolt 13 to pass through and will not limit the position of the connecting bolt 13 passing through, can adapt to the connecting bolt 13 passing through the non-circular pipeline 2, even if the end of the non-circular pipeline 2 is triangular, the three connecting bolts 13 can also pass through the arc-shaped hole 5 very conveniently and quickly, has strong adaptability and is more convenient to connect, when the square connecting plate 4 approaches the flange body 1, it will contact the sealing plate 11, extrude and compress the compression rubber ring 10, thereby providing a good sealing effect.

[0026] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vacuum flange for non-circular channels, comprising a flange disc body (1) and a non-circular pipe (2), characterized in that, The flange body (1) is provided with an adjustable perforated assembly, one side of the non-circular pipeline (2) is provided with a square connecting plate (4), the square connecting plate (4) and the adjustable perforated assembly are provided with a positioning and connecting assembly, and stable connection between the two is realized, and the flange body (1) and the non-circular pipeline (2) are provided with an adaptive sealing assembly for sealing.

2. The vacuum flange for non-circular passages according to claim 1, characterized in that, The adjustable perforated assembly comprises a flange connecting ring (3) arranged outside the flange body (1), and a plurality of arc-shaped holes (5) are formed in the outer side of the flange connecting ring (3).

3. A vacuum flange for non-circular passages according to claim 2, characterized in that, The number of the arc-shaped holes (5) is four, and the arc-shaped holes (5) are arranged in a circumferential array, and a plurality of anti-skid grooves (6) are arranged on the side of the flange connecting ring (3).

4. The vacuum flange for non-circular passages according to claim 2, wherein The positioning and connecting assembly comprises a connecting bolt (13) arranged on the square connecting plate (4), and one end of the connecting bolt (13) is movably penetrated through the arc-shaped hole (5).

5. The vacuum flange for non-circular passages according to claim 1, wherein The adaptive sealing assembly comprises an inner edge groove (7) formed in the end of the flange body (1), a compression rubber ring (10) is mounted in the inner edge groove (7), and a sealing plate (11) is fixedly mounted on one side of the compression rubber ring (10).

6. A vacuum flange for non-circular passages according to claim 5, characterized in that, The sealing plate (11) is in a circular structure, the diameter of the sealing plate (11) is consistent with the diameter of the inner edge groove (7), and a through hole (12) is formed in the middle of the sealing plate (11).

7. The vacuum flange for non-circular passages according to claim 5, characterized in that, A limiting groove (8) is formed in the inner wall of the inner edge groove (7), and a limiting block (9) is arranged at the end of the compression rubber ring (10), and the limiting block (9) is mounted in the limiting groove (8). The limiting block (9) is arranged at the end of the compression rubber ring (10), and the limiting block (9) is mounted in the limiting groove (8).

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