Novel flange structure

By designing support rings and support on the flange, maintaining the gap between the bolt head and the flange, and using rubber pads and inserts, the problem of difficult separation of bolts and nuts in humid environments is solved, and the problem of rust and difficulty in separation of bolts and nuts is achieved. The smooth separation and connection stability of the flange.

CN222334754UActive Publication Date: 2025-01-10XINCHANG SIBIDA AIR CONDITIONING ACCESSORIES CO LTD
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Patent Information

Application Number
CN202323557330.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-26
Publication Date
2025-01-10
Estimated Expiration
2033-12-26

AI Technical Summary

Technical Problem

In humid environments, bolts and nuts are difficult to separate due to corrosion, which affects the smooth separation of the flange. The existing technology cannot effectively solve this problem.

Method used

Design a new flange structure, by installing a support ring and a support on one side of the flange, maintaining the gap between the bolt head and the flange, and cutting the bolt rod by sawing or burning, the method is realized The separation of the lantern, while the rubber pad and insert column are used to improve connection stability and protection.

Benefits of technology

The smooth separation of the flange in humid environments is achieved, which avoids rust problems, and improves the connection stability and protection effect through the design of rubber pads and plugs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a novel flange structure which comprises a flange plate, one side face of the flange plate is annularly provided with a plurality of round holes at equal intervals, bolts can penetrate through the round holes, one side of the flange plate is provided with a supporting ring which is parallel to the flange plate and used for limiting the head positions of the bolts, and a certain gap exists between the supporting ring and the flange plate. The face, facing the flange plate, of the supporting ring is annularly provided with penetrating holes at equal intervals, the number of the penetrating holes is the same as that of the round holes, the multiple supports are annularly fixed to the face, facing the flange plate, of the supporting ring at equal intervals, the ends, away from the supporting ring, of the supports are fixedly connected with the flange plate, and the supports and the round holes are arranged in a staggered mode. The flange plate assembly has the advantages that a certain gap exists between the head portion of the bolt and the flange plate, and a space is provided for separating the two flange plates in the mode that the bolt is cut off in the later period.
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Description

Technical Field

[0001] The utility model discloses a novel flange structure, belonging to the technical field of flanges. Background Art

[0002] Flange, also known as flange flange or flange. Flange is a part that connects pipes to each other and is used to connect pipe ends. It is also used as a flange on the inlet and outlet of equipment to connect two equipments. There are holes on the flange, and bolts connect the two flanges tightly. Gaskets are used to seal the flanges. At present, when two flanges are connected by bolts and nuts, there is no gap between the head of the bolt and the flange and between the nut and the flange. When the bolts and nuts are corroded in a humid environment and are difficult to separate by conventional means, the smooth separation of the two flanges is affected, which increases the difficulty of separating the two flanges from each other. Therefore, it is necessary to design a new flange structure that allows a certain gap between the head of the bolt and the flange. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a new flange structure to solve the problems raised in the above-mentioned background technology. The present invention allows a certain gap to exist between the bolt head and the flange plate, providing space for separating the two flange plates by cutting off the bolts in the later stage.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a new type of flange structure, including a flange plate, a side surface of the flange plate is provided with a plurality of circular holes for inserting bolts at equal intervals in a circular shape, a side of the flange plate is provided with a support ring for limiting the position of the bolt head arranged in parallel with the flange plate, and there is a certain gap between the support ring and the flange plate, a side of the support ring facing the flange plate is provided with through holes for inserting bolts at equal intervals in a circular shape, the same number as the circular holes is provided, a side of the support ring facing the flange plate is fixed with a plurality of supports at equal intervals in a circular shape, the end of the support away from the support ring is connected and fixed to the flange plate, the support and the circular hole are staggered, and a detachable stacking guard is installed on the side of the support ring facing away from the flange plate.

[0005] Furthermore, the stacking guard includes a rubber pad, and a rubber pad is provided on the side of the support ring facing away from the flange, the diameter of the rubber pad is the same as the outer diameter of the support ring, and a plurality of short plug posts matching the through holes are fixed in a circular shape and equidistantly on the side of the rubber pad facing the support ring, and the short plug posts are inserted in the through holes, and a plurality of long plug posts matching the circular holes are fixed in a circular shape and equidistantly on the side of the rubber pad facing away from the support ring, and the long plug posts are inserted in the circular holes.

[0006] Furthermore, a short rubber sleeve is sleeved on the short plug post, the short rubber sleeve is adhered to the short plug post, and the outer diameter of the short rubber sleeve is the same as the inner diameter of the through hole.

[0007] Furthermore, a long rubber sleeve is sleeved on the long plug post, the long rubber sleeve is adhered to the long plug post, and the outer diameter of the long rubber sleeve is the same as the inner diameter of the circular hole.

[0008] Furthermore, a circular opening is formed on one side of the rubber pad, and the circular opening is arranged concentrically with the rubber pad.

[0009] Furthermore, the position where the rubber pad is installed with the short plug is recessed to form a first blind hole, one end of the short plug is pasted in the first blind hole, and the position where the rubber pad is installed with the long plug is recessed to form a second blind hole, one end of the long plug is pasted in the second blind hole.

[0010] Furthermore, a short positioning rod is connected and fixed to a side of the support facing the support ring, a first positioning hole matching with the short positioning rod is opened in the area of ​​the support ring covered by the support, and the short positioning rod is fixed in the first positioning hole.

[0011] Furthermore, a long positioning rod is connected and fixed to a side of the support facing the flange, a second positioning hole matching with the long positioning rod is opened in the area of ​​the flange covered by the support, and the long positioning rod is fixed in the second positioning hole.

[0012] Beneficial effects of the utility model:

[0013] 1. Install a support ring on one side of the flange, and use multiple supports to connect the support ring and the flange. Then, under the support of the support, a certain distance is maintained between the flange and the support ring. When the two flanges are connected by bolts and nuts, the bolts are passed through the through holes and round holes in turn and then the nuts are screwed on. Then, under the support of the support ring, there is a gap between the bolt head and the flange. When the bolts and nuts cannot be separated by conventional means, the gap between the support ring and the flange is used to cut off the bolt rod by sawing or burning, so that the rusted bolts and nuts can be removed to complete the smooth separation of the two flanges.

[0014] 2. Insert the short plug on the rubber pad into the through hole on the support ring. At this time, the short rubber sleeve fits with the inner wall of the through hole, which improves the stability of the short plug and the through hole, and realizes the connection between the rubber pad and the support ring. Insert the long plug on the rubber pad into the round hole on the flange. At this time, the long rubber sleeve fits with the inner wall of the round hole, which improves the stability of the long plug and the round hole. At this time, the rubber pad is between the flange and the support ring, and so on, to complete the stable stacking of multiple flanges, and under the protection of the rubber pad, it plays a role in protecting the end face of the flange from being scratched. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0016] Figure 1 This is a structural schematic diagram of a new flange structure of the utility model;

[0017] Figure 2 This is a three-dimensional diagram of a support ring in a novel flange structure of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of a flange in a novel flange structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the assembly of a long positioning rod, a short positioning rod and a support in a novel flange structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the assembly of a short plug post, a short rubber sleeve and a rubber pad in a novel flange structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the assembly of a long plug column, a long rubber sleeve and a rubber pad in a new flange structure of the utility model;

[0022] In the figure: 1-flange, 2-round hole, 3-support ring, 4-rubber pad, 5-long rubber sleeve, 6-support, 7-through hole, 8-first positioning hole, 9-second positioning hole, 10-short positioning rod, 11-long positioning rod, 12-short plug column, 13-short rubber sleeve, 14-round mouth, 15-long plug column. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] See also Figure 1 , Figure 2 and Figure 3The utility model provides a technical solution: a new type of flange structure, including a flange 1, a side of the flange 1 is provided with a plurality of circular holes 2 for inserting bolts in an annular shape and equidistant manner, a support ring 3 for limiting the position of the bolt head arranged in parallel with the flange 1 is provided on one side of the flange 1, a side of the support ring 3 facing the flange 1 is provided with a plurality of through holes 7 for inserting bolts in an annular shape and equidistant manner, the same number as the circular holes 2 is provided on the side of the support ring 3 facing the flange 1, a plurality of supports 6 are fixed in an annular shape and equidistant manner on the side of the support ring 3 facing the flange 1, the end of the support ring 6 away from the support ring 3 is connected and fixed to the flange 1, the support 6 is staggered with the circular holes 2, and the support is installed on one side of the flange 1 Ring 3, and use multiple supports 6 to connect the support ring 3 and the flange 1, and then under the support of the support 6, a certain distance is maintained between the flange 1 and the support ring 3. When the two flanges 1 are connected by bolts and nuts, the bolts are passed through the through holes 7 and the circular holes 2 in turn and then the nuts are screwed on, and then under the support of the support ring 3, a gap is created between the bolt head and the flange 1. When the bolts and nuts cannot be separated by conventional means, the gap between the support ring 3 and the flange 1 is used to cut off the bolt rod by sawing or burning, so that the rusted bolts and nuts are removed, and the two flanges 1 are successfully separated.

[0025] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A short positioning rod 10 is connected and fixed to the side of the support 6 facing the support ring 3, and a first positioning hole 8 matching the short positioning rod 10 is opened in the area of ​​the support ring 3 covered by the support 6, so that the short positioning rod 10 is fixed in the first positioning hole 8, which increases the connection range between the support 6 and the support ring 3 and improves the stability of the connection between the support 6 and the support ring 3. A long positioning rod 11 is connected and fixed to the side of the support 6 facing the flange 1, and a second positioning hole 9 matching the long positioning rod 11 is opened in the area of ​​the flange 1 covered by the support 6, so that the long positioning rod 11 is fixed in the second positioning hole 9, which increases the connection range between the support 6 and the flange 1 and improves the stability of the connection between the support 6 and the flange 1.

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 and Figure 6, a rubber pad 4 is provided on the side of the support ring 3 facing away from the flange 1, and a circular opening 14 is opened on one side of the rubber pad 4, wherein the circular opening 14 is arranged concentrically with the rubber pad 4, and the design of the circular opening 14 reduces the amount of materials used in the production of the rubber pad 4, and the diameter of the rubber pad 4 is the same as the outer diameter of the support ring 3, and the side of the rubber pad 4 facing the support ring 3 is annularly and equidistantly fixed with a plurality of short plug posts 12 that match the through-holes 7, and the short plug posts 12 are sleeved with short rubber sleeves 13, wherein the short rubber sleeves 13 are adhered to the short plug posts 12, and the outer diameter of the short rubber sleeves 13 is the same as the inner diameter of the through-hole 7, and the side of the rubber pad 4 facing away from the support ring 3 is annularly and equidistantly fixed with a plurality of long plug posts 15 that match the circular holes 2, and the long plug posts 15 are sleeved with long rubber sleeves 5, wherein the long rubber sleeves 5 are adhered to the long plug posts 15, and the outer diameter of the long rubber sleeves 5 is the same as the inner diameter of the circular hole 2, so that the short plug posts 12 on the rubber pad 4 are inserted into the through-holes 7 on the support ring 3, and at this time, the short rubber sleeves 13 fits with the inner wall of the through hole 7, improves the stability of the connection between the short plug-in column 12 and the through hole 7, realizes the connection between the rubber pad 4 and the support ring 3, and makes the long plug-in column 15 on the rubber pad 4 inserted in the circular hole 2 on the flange 1. At this time, the long rubber sleeve 5 fits with the inner wall of the circular hole 2, improves the stability of the connection between the long plug-in column 15 and the circular hole 2. At this time, the rubber pad 4 is between the flange 1 and the support ring 3, and so on, to complete the stable stacking of multiple flanges 1, and under the protection of the rubber pad 4, it plays a role in protecting the end face of the flange 1 from being scratched. The position where the short plug-in column 12 is installed on the rubber pad 4 is recessed to form a first blind hole, so that one end of the short plug-in column 12 is pasted in the first blind hole, thereby improving the stability of the connection between the short plug-in column 12 and the rubber pad 4. The position where the long plug-in column 15 is installed on the rubber pad 4 is recessed to form a second blind hole, so that one end of the long plug-in column 15 is pasted in the second blind hole, thereby improving the stability of the connection between the long plug-in column 15 and the rubber pad 4.

[0027] Specific implementation method: A support ring 3 is installed on one side of the flange 1, and a plurality of supports 6 are used to connect the support ring 3 and the flange 1, and then under the support of the supports 6, a certain distance is maintained between the flange 1 and the support ring 3. When the two flanges 1 are connected by bolts and nuts, the bolts are sequentially passed through the through holes 7 and the circular holes 2 and then the nuts are screwed on, and then under the support of the support ring 3, a gap is created between the bolt head and the flange 1. When the bolts and nuts cannot be disassembled by conventional means, the gap between the support ring 3 and the flange 1 is used to cut off the bolt rod by sawing or burning, so that the rusted bolts and nuts are removed to complete the two flanges. The disk 1 is smoothly separated; the short plug-in column 12 on the rubber pad 4 is inserted into the through hole 7 on the support ring 3. At this time, the short rubber sleeve 13 fits with the inner wall of the through hole 7, which improves the stability of the plug-in connection between the short plug-in column 12 and the through hole 7, and realizes the plug-in connection between the rubber pad 4 and the support ring 3. The long plug-in column 15 on the rubber pad 4 is inserted into the circular hole 2 on the flange 1. At this time, the long rubber sleeve 5 fits with the inner wall of the circular hole 2, which improves the stability of the plug-in connection between the long plug-in column 15 and the circular hole 2. At this time, the rubber pad 4 is between the flange 1 and the support ring 3, and so on, to complete the stable stacking of multiple flanges 1, and under the protection of the rubber pad 4, it plays a role in protecting the end face of the flange 1 from being scratched.

[0028] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A novel flange structure, comprising a flange plate (1), characterized in that: A plurality of circular holes (2) for inserting bolts are formed in an annular shape and equidistantly on one side of the flange (1); a support ring (3) for limiting the position of the bolt head and arranged in parallel with the flange (1) is formed on one side of the flange (1); a certain gap exists between the support ring (3) and the flange (1); a plurality of through holes (7) for inserting bolts are formed in an annular shape and equidistantly on the side of the support ring (3) facing the flange (1); a plurality of supports (6) are fixed in an annular shape and equidistantly on the side of the support ring (3) facing the flange (1); an end of the support (6) away from the support ring (3) is connected and fixed to the flange (1); the support (6) and the circular hole (2) are arranged in a staggered manner; a detachable stacking guard is installed on the side of the support ring (3) facing away from the flange (1).

2. A novel flange structure according to claim 1, characterized in that: The stacking guard comprises a rubber pad (4), a rubber pad (4) is provided on a side of the support ring (3) facing away from the flange (1), the diameter of the rubber pad (4) is the same as the outer diameter of the support ring (3), a plurality of short plug posts (12) matching with the through holes (7) are fixed in an annular shape and equidistantly on a side of the rubber pad (4) facing the support ring (3), the short plug posts (12) are inserted in the through holes (7), and a plurality of long plug posts (15) matching with the circular holes (2) are fixed in an annular shape and equidistantly on a side of the rubber pad (4) facing away from the support ring (3), the long plug posts (15) are inserted in the circular holes (2).

3. A novel flange structure according to claim 2, characterized in that: A short rubber sleeve (13) is sleeved on the short plug post (12), the short rubber sleeve (13) is adhered to the short plug post (12), and the outer diameter of the short rubber sleeve (13) is the same as the inner diameter of the through hole (7).

4. A novel flange structure according to claim 2, characterized in that: A long rubber sleeve (5) is sleeved on the long plug post (15), the long rubber sleeve (5) is adhered to the long plug post (15), and the outer diameter of the long rubber sleeve (5) is the same as the inner diameter of the circular hole (2).

5. A novel flange structure according to claim 2, characterized in that: A circular opening (14) is formed on one side of the rubber pad (4), and the circular opening (14) is arranged concentrically with the rubber pad (4).

6. A novel flange structure according to claim 2, characterized in that: The position where the short plug post (12) is installed on the rubber pad (4) is recessed to form a first blind hole, and one end of the short plug post (12) is pasted in the first blind hole. The position where the long plug post (15) is installed on the rubber pad (4) is recessed to form a second blind hole, and one end of the long plug post (15) is pasted in the second blind hole.

7. A novel flange structure according to claim 1, characterized in that: A short positioning rod (10) is connected and fixed to a side of the support (6) facing the support ring (3); a first positioning hole (8) matching with the short positioning rod (10) is provided in the area of ​​the support ring (3) covered by the support (6); and the short positioning rod (10) is fixed in the first positioning hole (8).

8. A novel flange structure according to claim 1, characterized in that: A long positioning rod (11) is connected and fixed to the side of the support (6) facing the flange (1), and a second positioning hole (9) matching with the long positioning rod (11) is opened in the area of ​​the flange (1) covered by the support (6), and the long positioning rod (11) is fixed in the second positioning hole (9).