Flange for connecting high-pressure joint

Abstract

The utility model discloses a flange for high-pressure joint connection, which relates to the technical field of high-pressure joint connection, and comprises a front-end flange lower frame, the front end of the front-end flange lower frame is provided with a fixing hole, the inner wall of the front-end flange lower frame is provided with a placing groove, and the upper end of the placing groove is provided with a rubber strip. Through the arrangement of the front-end flange lower frame, the rubber strip, the front-end sealing cover and the sealing strip, when the front-end flange lower frame and the rear-end flange upper frame which are the same in size are used, a gap at the connecting position can be sealed through the rubber strip and the sealing strip which are attached to the interior, so that the sealing performance is better when the whole connecting flange is connected, and the sealing performance is better. By arranging the front-end flange lower frame, the front-end sealing cover, the reinforcing sealing hoop, the rear-end sealing cover and the rear-end flange upper frame, the whole flange for connection is connected and fixed through a plurality of positions, the edge is carried, assembled and used, and meanwhile disassembly and maintenance are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure joint connection, in particular to a flange for high-pressure joint connection. Background Art

[0002] High-pressure flange: A flange used for connecting pipes or equipment with a pressure higher than 10MPa. Currently, it mainly includes traditional high-pressure flanges and high-pressure self-tightening flanges. In order to adapt to high-pressure connections, a flange for high-pressure joint connections is required.

[0003] The existing high-pressure joint connection flange is not convenient for improving the sealing of the entire high-pressure connection flange during operation, and is not convenient for assembling, disassembling and replacing the flange. It also has the problem of being portable. Therefore, a high-pressure joint connection flange is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a flange for high-pressure joint connection to solve the problem that the existing flange for high-pressure joint connection is not convenient to improve the sealing of the connection of the entire high-pressure connection flange when in use, is not convenient to assemble, disassemble and replace the flange, and is not portable.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flange for high-pressure joint connection, comprising a front end flange lower frame, a fixing hole is provided at the front end of the front end flange lower frame, a placement groove is provided on the inner wall of the front end flange lower frame, a rubber strip is installed at the upper end of the placement groove, and threaded holes are provided at both left and right ends of the front end flange lower frame.

[0006] A front end sealing cover is installed at one end of the front end flange lower frame, a sealing strip is attached to the inner wall of the front end sealing cover, and a reinforcing sealing hoop is sleeved on the outer end of the front end flange lower frame.

[0007] A rear end sealing cover is installed at one end of the front end flange lower frame, and a rear end flange upper frame is installed at one end of the rear end sealing cover.

[0008] Preferably, the front end flange lower frame is tightly fitted with the front end sealing cover, and the rubber strip is tightly fitted with the front end flange lower frame through the placement groove.

[0009] Preferably, the front end flange lower frame and the rear end flange upper frame are of the same size and shape, and the front end flange lower frame and the rear end flange upper frame are connected with a reinforced sealing hoop sleeve.

[0010] Preferably, the fixing holes are distributed in a ring array on the lower frame of the front end flange, and the lower frame of the front end flange is made of aluminum alloy metal.

[0011] Preferably, the front end sealing cover is tightly fitted with the sealing strip, and the front end sealing cover and the rear end sealing cover are of the same size.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a front flange lower frame, a rubber strip, a front sealing cover and a sealing strip. When the front flange lower frame and the rear flange upper frame of the same size are used, the gap at the connection can be sealed by the rubber strip and the sealing strip fitted inside, so that the sealing performance of the entire connection is better when the flange is connected;

[0014] 2. The utility model is provided with a front flange lower frame, a front sealing cover, a reinforced sealing hoop, a rear sealing cover and a rear flange upper frame. The entire connecting flange is connected and fixed at multiple positions, and the edge is used for carrying and assembly. It is also convenient for disassembly and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the utility model from the front;

[0016] Figure 2 It is a schematic diagram of the composition structure of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the front flange lower frame and the front sealing cover of the utility model;

[0018] Figure 4 It is a schematic diagram of the position structure of the front end flange lower frame, the front end sealing cover, the rear end sealing cover and the rear end flange upper frame of the utility model.

[0019] In the figure: 1. front end flange lower frame; 2. fixing hole; 3. placement groove; 4. rubber strip; 5. threaded hole; 6. front end sealing cover; 7. sealing strip; 8. reinforced sealing hoop; 9. rear end sealing cover; 10. rear end flange upper frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0021] The following describes an embodiment of the utility model based on its overall structure.

[0022] See also Figure 1-4A flange for connecting a high-pressure joint comprises a front end flange lower frame 1, a fixing hole 2 is provided at the front end of the front end flange lower frame 1, a placement groove 3 is provided on the inner wall of the front end flange lower frame 1, a rubber strip 4 is installed on the upper end of the placement groove 3, and threaded holes 5 are provided at both ends of the front end flange lower frame 1. The fixing holes 2 can better install and fix the flange and maintain the stability of the connection and fixation.

[0023] See also Figure 1-4 A flange for connecting a high-pressure joint, a front end sealing cover 6 is installed at one end of the front end flange lower frame 1, a sealing strip 7 is attached to the inner wall of the front end sealing cover 6, a reinforcing sealing hoop 8 is sleeved on the outer end of the front end flange lower frame 1, the front end flange lower frame 1 is tightly fitted with the front end sealing cover 6, and the rubber strip 4 is tightly fitted with the front end flange lower frame 1 through the placement groove 3, the rubber strip 4 installed in the front end flange lower frame 1 and the rear end flange upper frame 10, the front end sealing cover 6 in the device and the sealing strip 7 on the inner wall of the rear end sealing cover 9 are matched, and the flange is connected and used to maintain the sealing effect of the connection gap.

[0024] See also Figure 1-4 A flange for connecting a high-pressure joint, a rear end sealing cover 9 is installed at one end of a front end flange lower frame 1, and a rear end flange upper frame 10 is installed at one end of the rear end sealing cover 9. The whole device is easy to disassemble and replace, and easy to assemble and carry.

[0025] Working principle: When using the flange, the front end flange lower frame 1, the front end sealing cover 6, the reinforced sealing hoop 8, the rear end sealing cover 9 and the rear end flange upper frame 10 composed of the flange can be installed. During installation, the front end flange lower frame 1 and the front end sealing cover 6 can be connected and fixed through the opened threaded hole 5, and the rear end sealing cover 9 and the rear end flange upper frame 10 can be connected and fixed in the same way. When fixing, the rubber strip 4 installed in the front end flange lower frame 1 and the rear end flange upper frame 10 cooperates with the sealing strip 7 on the inner wall of the front end sealing cover 6 and the rear end sealing cover 9 in the device to connect and use the flange, and the connected position is shielded and sealed by the installed reinforced sealing hoop 8 to maintain the sealing effect of the connecting gap. After the installation is completed, the entire flange can be connected by opening a fixing hole 2. The entire flange is installed and composed of several parts, so that the entire device is easy to disassemble and replace, and easy to assemble and carry, thus completing the use process of the device. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flange for high-pressure joint connection, comprising a front flange lower frame (1), characterized in that: The front end of the front flange lower frame (1) is provided with a fixing hole (2), the inner wall of the front flange lower frame (1) is provided with a placement groove (3), a rubber strip (4) is installed at the upper end of the placement groove (3), and the left and right ends of the front flange lower frame (1) are provided with threaded holes (5); A front end sealing cover (6) is installed at one end of the front end flange lower frame (1), a sealing strip (7) is attached to the inner wall of the front end sealing cover (6), and a reinforcing sealing hoop (8) is sleeved on the outer end of the front end flange lower frame (1); A rear end sealing cover (9) is installed at one end of the front end flange lower frame (1), and a rear end flange upper frame (10) is installed at one end of the rear end sealing cover (9).

2. A high-pressure joint connection flange according to claim 1, characterized in that: The front flange lower frame (1) is tightly fitted with the front sealing cover (6), and the rubber strip (4) is tightly fitted with the front flange lower frame (1) through the placement groove (3).

3. A high-pressure joint connection flange according to claim 1, characterized in that: The front end flange lower frame (1) and the rear end flange upper frame (10) are of the same size and shape, and the front end flange lower frame (1) and the rear end flange upper frame (10) are sleeved and connected with a reinforced sealing hoop (8).

4. A high-pressure joint connection flange according to claim 1, characterized in that: The fixing holes (2) are distributed in a ring array with the front end flange lower frame (1), and the front end flange lower frame (1) is made of aluminum alloy metal.

5. The high-pressure joint connection flange according to claim 1, characterized in that: The front end sealing cover (6) is tightly fitted with the sealing strip (7), and the front end sealing cover (6) and the rear end sealing cover (9) are of the same size.

Images