High-strength flange

Abstract

The utility model discloses a high strength flange relates to flange technical field, including first flange plate and second flange plate, one side of first flange plate is fixedly connected with spacing ring, and the first flange plate inside spacing ring is fixedly connected with mounting ring, the outer wall of mounting ring is equipped with screw thread, and the screw thread is equipped with screw thread. A first rubber pad is connected to the first flange plate between the limiting ring and the mounting ring in an attached mode. By adopting the limiting ring and the mounting ring, the threads and the first rubber pad, a pipeline or a valve and other connecting devices can be in threaded connection with the mounting ring or inserted into the mounting ring through the threads, the limiting ring plays a role in limiting so that the devices can be connected more fixedly, and the first rubber pad and the limiting ring can play a role in compacting; the leakage phenomenon is avoided, the problem that a traditional flange is not tight in connection or complex in installation process is solved, and the practicability and convenience of the device are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field, concretely relates to high strength flange. BACKGROUND

[0002] The existing flange is an important element for connecting pipeline, valve and equipment. They provide stable and reliable connection to prevent leakage and looseness.

[0003] The existing technology has the following problems:

[0004] 1. The existing flange connection is not tight or the installation process is complex, a large number of gaskets are needed, which increases the installation time and difficulty, is not practical, and therefore the problem needs to be solved.

[0005] 2. The strength of the existing flange is not high enough, and deformation, rupture or leakage may occur under high pressure or high temperature, which is not practical, and therefore the problem needs to be solved. INVENTION CONTENTS

[0006] The utility model provides high strength flange to solve the problem in the foregoing background art.

[0007] To solve the above technical problems, the technical scheme adopted by the utility model is:

[0008] The high strength flange comprises a first flange plate and a second flange plate, one side of the first flange plate is fixedly connected with a limiting ring, an installation ring is fixedly connected to the first flange plate inside the limiting ring, a thread is arranged on the outer wall of the installation ring, and a first rubber pad is attached to the first flange plate between the limiting ring and the installation ring.

[0009] A first alloy steel plate is fixedly connected to the surface of the first flange plate, and a second alloy steel plate is fixedly connected to the surface of the second flange plate.

[0010] Further improvement of the technical scheme of the utility model is that the first alloy steel plate is provided with two, and the two first alloy steel plates are arranged on the left and right sides of the first flange plate respectively, the second alloy steel plate is provided with two, and the two second alloy steel plates are arranged on the left and right sides of the second flange plate respectively.

[0011] By adopting the above technical scheme, the alloy steel plate in the scheme has higher tensile strength, yield strength and hardness, can bear greater external load and stress, in addition, has good wear resistance and excellent corrosion resistance, can well protect the flange plate and prolong the service life of the flange.

[0012] The further improvement in the technical scheme of the utility model lies in that the first flange plate and the second flange plate are equal in size, and the surfaces of the first flange plate and the second flange plate are provided with screw holes, the screw holes of the first flange plate and the screw holes of the second flange plate are equal in size, and four screw holes are provided.

[0013] By adopting the above technical scheme, the first flange plate and the second flange plate are equal in size and are provided with screw holes equal in size, so that the user can conveniently install the bolts, and four screw holes are provided, so that the two flange plates can be fixed more stably.

[0014] The further improvement in the technical scheme of the utility model lies in that the inner walls of the four screw holes are all threadedly connected with bolts, the ends of the bolts are threadedly connected with nuts, and the side of the nut is attached to the outer wall of the first alloy steel plate.

[0015] By adopting the above technical scheme, the bolts and the nuts can be used to attach and fix the first flange plate and the second flange plate, and four bolts and nuts are provided, so that the installation is more secure and fixed.

[0016] The further improvement in the technical scheme of the utility model lies in that the outer sides of the first flange plate and the second flange plate are all fixedly connected with limiting rings and mounting rings.

[0017] By adopting the above technical scheme, the outer sides of the first flange plate and the second flange plate are all provided with limiting rings and mounting rings, so that the valve or the pipeline device and the like can be conveniently installed, the mounting ring is provided with threads, and the plug-in connection or the threaded connection can be achieved.

[0018] The further improvement in the technical scheme of the utility model lies in that the inner side of the first flange plate is fixedly connected with a large sleeve ring, and the inner side of the first flange plate is attached to a second rubber pad, and the second rubber pad is arranged on the inner side of the large sleeve ring.

[0019] By adopting the above technical scheme, the second rubber pad can make the first flange plate and the second flange plate attach more closely.

[0020] The further improvement in the technical scheme of the utility model lies in that the inner side of the second flange plate is fixedly connected with a small sleeve ring, the front end of the small sleeve ring is attached to the second rubber pad, and the outer wall of the small sleeve ring is attached to the inner wall of the large sleeve ring.

[0021] By adopting the above technical scheme, the small sleeve ring is arranged in the large sleeve ring, and the front end of the small sleeve ring is attached to the second rubber pad, so that the first flange plate and the second flange plate attach more closely, and the leakage does not occur when the pipeline is connected.

[0022] Thanks to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0023] 1. The utility model provides a high-strength flange, which adopts a limiting ring, a mounting ring, a thread, a first rubber pad, a large collar, a second rubber pad and a small collar. Connecting devices such as pipes or valves can be threadedly connected to the mounting ring or plugged into the mounting ring through a thread. The limiting ring plays a limiting role, making the device connection more fixed. The first rubber pad and the limiting ring can play a dense role to avoid leakage. The small collar is sleeved inside the large collar, and the second rubber pad can make the two flanges more tightly connected, solving the problems of loose flange connection or complicated installation process of traditional flanges, greatly improving the practicality and convenience of the device, and can be threaded or plugged in to increase the diversity of device installation and improve the sealing of the device connection.

[0024] 2. The utility model provides a high-strength flange, which adopts a first alloy steel plate and a second alloy steel plate. Alloy steel is widely used for its high strength, good wear resistance, corrosion resistance, thermal properties and adjustability, and plays a key role in many industrial fields. It provides reliable and diverse material options, solves the problem that traditional flanges are not strong enough and may deform, crack or leak when subjected to high pressure or high temperature, greatly improves the practicality of the device and extends the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a right side view of the structure of the utility model;

[0026] Figure 2 This is a left side view of the structure of the utility model;

[0027] Figure 3 This is a front cross-sectional view of the structure of the utility model;

[0028] Figure 4 For the utility model Figure 3 Schematic diagram of the enlarged structure at A in the middle;

[0029] Figure 5 For the utility model Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0030] In the figure: 1. First flange; 2. Second flange; 3. First alloy steel plate; 4. Second alloy steel plate; 5. Bolt; 6. Limiting ring; 7. Mounting ring; 8. Thread; 9. Nut; 10. Screw hole; 11. Large collar; 12. Second rubber pad; 13. Small collar; 14. First rubber pad. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below with reference to the embodiments:

[0032] Example 1

[0033] like Figure 1-5 As shown, the utility model provides a high-strength flange, including a first flange plate 1 and a second flange plate 2, a limiting ring 6 is fixedly connected to one side of the first flange plate 1, and a mounting ring 7 is fixedly connected to the first flange plate 1 inside the limiting ring 6, a thread 8 is provided on the outer wall of the mounting ring 7, and a first rubber pad 14 is fitted and connected to the first flange plate 1 between the limiting ring 6 and the mounting ring 7.

[0034] A first alloy steel plate 3 is fixedly connected to the surface of the first flange 1 , and a second alloy steel plate 4 is fixedly connected to the surface of the second flange 2 .

[0035] In this embodiment, a limiting ring 6, a mounting ring 7, a thread 8, a first rubber pad 14, a large collar 11, a second rubber pad 12 and a small collar 13 are used. A connecting device such as a pipe or a valve can be threadedly connected to the mounting ring 7 or plugged into the mounting ring 7 through the thread 8. The limiting ring 6 plays a limiting role in making the device connection more fixed. The first rubber pad 14 and the limiting ring 6 can play a dense role to avoid leakage. The small collar 13 is sleeved on the inside of the large collar 11, and the second rubber pad 12 can make the two flanges more tightly connected, solving the problems of loose flange connection or complicated installation process in traditional flange connection. The invention solves the problem of complexity, greatly improves the practicability and convenience of the device, can be threaded or plugged in to increase the diversity of device installation, and improves the sealing of the device connection, adopts the first alloy steel plate 3 and the second alloy steel plate 4, alloy steel is widely used for its high strength, good wear resistance, corrosion resistance, thermal properties and adjustability, and plays a key role in many industrial fields, provides reliable and diverse material selection, solves the problem that the strength of traditional flanges is not high enough, and deformation, cracking or leakage may occur under high pressure or high temperature, greatly improves the practicability of the device and extends the service life of the device.

[0036] Example 2

[0037] like Figure 1-5 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, there are two first alloy steel plates 3, and the two first alloy steel plates 3 are respectively arranged on the left and right sides of the first flange 1, and there are two second alloy steel plates 4, and the two second alloy steel plates 4 are respectively arranged on the left and right sides of the second flange 2. The first flange 1 and the second flange 2 are equal in size, and screw holes 10 are provided on the surfaces of the first flange 1 and the second flange 2. The screw holes 10 of the first flange 1 and the screw holes 10 of the second flange 2 are equal in size, and there are four screw holes 10 in total. Bolts 5 are threadedly connected to the inner walls of the four screw holes 10, and nuts 9 are threadedly connected to the ends of the bolts 5, and one side of the nut 9 is fitly connected to the outer wall of the first alloy steel plate 3.

[0038] In this embodiment, the alloy steel plate has higher tensile strength, yield strength and hardness, can withstand greater external load and stress, in addition, has good wear resistance and excellent corrosion resistance, can well protect the flange plate, prolong the service life of the flange, the first flange plate 1 and the second flange plate 2 are equal in size, and are provided with equal size screw holes 10, can facilitate the user to install the bolt 5, are provided with four, can make the two flange plates more stable, the bolt 5 and the nut 9 can be used to fix the first flange plate 1 and the second flange plate 2, and are provided with four, can be installed more tightly and fixed.

[0039] Embodiment 3

[0040] As Figure 1-5 shown, on the basis of embodiment 1 and embodiment 2, the utility model provides technical scheme: preferably, the outer side of the first flange plate 1 and the outer side of the second flange plate 2 are fixedly connected with the limiting ring 6 and the mounting ring 7, the inner side of the first flange plate 1 is fixedly connected with the large ring 11, and the inner side of the first flange plate 1 is connected with the second rubber pad 12, the second rubber pad 12 is arranged on the inner side of the large ring 11, the inner side of the second flange plate 2 is fixedly connected with the small ring 13, and the front end of the small ring 13 is connected with the second rubber pad 12, and the outer wall of the small ring 13 is connected with the inner wall of the large ring 11.

[0041] In this embodiment, the outer side of the first flange plate 1 and the outer side of the second flange plate 2 are provided with the limiting ring 6 and the mounting ring 7, which can facilitate the installation of valve or pipeline and the like device, the mounting ring 7 is provided with the thread 8, can be inserted or connected by screw threads, the second rubber pad 12 can make the first flange plate 1 and the second flange plate 2 fit more tightly, the small ring 13 is arranged in the large ring 11, and the front end of the small ring 13 is connected with the second rubber pad 12, so that the first flange plate 1 and the second flange plate 2 fit more densely, and there is no leakage when connecting the pipeline.

[0042] The working principle of the high-strength flange will be described below.

[0043] As Figure 1-5 shown, the small ring 13 of the second flange plate 2 is sleeved into the large ring 11 of the first flange plate 1, until the top end of the small ring 13 is connected with the second rubber pad 12, then the first flange plate 1 is rotated to the angle, so that the screw holes 10 on the first flange plate 1 and the second flange plate 2 are aligned, then the bolt 5 and the nut 9 are installed and fixed, after installation is completed, the connecting device such as pipeline or valve is installed on the mounting ring 7.

[0044] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A high-strength flange, comprising a first flange plate (1) and a second flange plate (2), characterized in that: A limiting ring (6) is fixedly connected to one side of the first flange (1), and a mounting ring (7) is fixedly connected to the first flange (1) inside the limiting ring (6), a thread (8) is provided on the outer wall of the mounting ring (7), and a first rubber pad (14) is fitted and connected to the first flange (1) between the limiting ring (6) and the mounting ring (7); A first alloy steel plate (3) is fixedly connected to the surface of the first flange (1), and a second alloy steel plate (4) is fixedly connected to the surface of the second flange (2).

2. The high-strength flange according to claim 1, characterized in that: There are two first alloy steel plates (3) in total, and the two first alloy steel plates (3) are respectively arranged on the left and right sides of the first flange (1); there are two second alloy steel plates (4) in total, and the two second alloy steel plates (4) are respectively arranged on the left and right sides of the second flange (2).

3. The high-strength flange according to claim 1, characterized in that: The first flange (1) and the second flange (2) are of equal size, and screw holes (10) are provided on the surfaces of the first flange (1) and the second flange (2). The screw holes (10) of the first flange (1) and the screw holes (10) of the second flange (2) are of equal size, and there are four screw holes (10) in total.

4. The high-strength flange according to claim 3, characterized in that: Bolts (5) are threadedly connected to the inner walls of the four screw holes (10), and the ends of the bolts (5) are threadedly connected to nuts (9), and one side of the nut (9) is fitted and connected to the outer wall of the first alloy steel plate (3).

5. The high-strength flange according to claim 1, characterized in that: The outer side of the first flange (1) and the outer side of the second flange (2) are both fixedly connected to a limiting ring (6) and a mounting ring (7).

6. The high-strength flange according to claim 1, characterized in that: A large collar (11) is fixedly connected to the inner side of the first flange (1), and a second rubber pad (12) is fitted and connected to the inner side of the first flange (1), and the second rubber pad (12) is arranged on the inner side of the large collar (11).

7. The high-strength flange according to claim 1, characterized in that: A small collar (13) is fixedly connected to the inner side of the second flange (2), and the front end of the small collar (13) is fitted and connected to the second rubber pad (12), and the outer wall of the small collar (13) is fitted and connected to the inner wall of the large collar (11).

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