Portable pipeline connecting flange

Abstract

The utility model relates to the technical field of flanges, and discloses a portable pipeline connecting flange which comprises a first flange plate and a second flange plate, threaded sleeves are fixedly connected to the middles of the inner walls of the first flange plate and the second flange plate, and a plurality of arc-shaped grooves are evenly formed in the periphery of the inner side edge of the first flange plate. U-shaped pieces are fixedly connected to one sides of the inner walls of the arc-shaped grooves, butt joint blocks are fixedly connected to the inner walls of the U-shaped pieces, connecting springs are fixedly connected to the ends, away from the U-shaped pieces, of the butt joint blocks, a plurality of triggering blocks are evenly and fixedly connected to the periphery of the edge of the inner side of the second flange plate, and the arc-shaped tracks of the triggering blocks are matched with the arc-shaped grooves. By rotating the second flange plate, the butt joint block is squeezed into the middle of the inner wall of the U-shaped piece through the trigger block, so that the connecting spring deforms, and then under the tight clamping fit of the trigger block and the arc-shaped groove, the sealing performance of the flange plate in the whole using process is guaranteed, and a medium conveyed in a pipeline is prevented from leaking.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange technical field, concretely is a portable pipeline connecting flange. BACKGROUND

[0002] Pipeline connecting flan is a kind of mechanical component for connecting pipeline, valve, pump and other equipment, usually made of metal or plastic, the main function of flange is to provide a reliable connection point, to facilitate the assembly and disassembly of pipeline system, flange can be made of a variety of materials, including carbon steel, stainless steel, cast iron, plastic, etc., specific selection depends on the pressure, temperature and the nature of medium, widely used in petroleum, chemical, electric power, water supply, heating, ventilation and air conditioning and other industries' pipeline system;

[0003] Although the pipeline connecting flan in prior art is widely used in various pipeline systems, there are still some deficiencies, the sealing performance of flange connection depends on the quality of gasket and installation process, if gasket is aged, damaged or improperly installed, it is easy to cause leakage, in high temperature, high pressure or corrosive medium environment, the sealing effect can be reduced, the leakage risk is increased, flange connection can be difficult to disassemble due to corrosion, sediment and other reasons after long-term use, maintenance cost and time are increased, gasket or flange body can be damaged during disassembly process, resulting in replacement cost;

[0004] Therefore, a portable pipeline connecting flan is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of portable pipeline connecting flan to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of portable pipeline connecting flan, including first flange and second flange, the inner wall middle part of first flange and second flange is fixedly connected with threaded sleeve, the inner side edge of first flange is evenly provided with several arc grooves, the inner wall side of arc groove is fixedly connected with U-shaped piece, the inner wall of U-shaped piece is fixedly connected with butt block, the end of butt block away from U-shaped piece is fixedly connected with connecting spring, the inner side edge of second flange is evenly fixedly connected with several trigger blocks, the arc track of trigger block and arc groove are matched.

[0007] Preferably, the inner side middle part of first flange is provided with annular groove, and the inner side middle part of second flange is fixedly connected with sealing ring.

[0008] Preferably, the sealing ring and annular groove are matched by clamping.

[0009] Preferably, a plurality of connecting bolts are threadedly connected to the middle of the outer side of the first flange plate, and a plurality of through holes are formed in the outer edge of the second flange plate.

[0010] Preferably, a locking nut is fixedly connected to the outer side of the through hole of the second flange plate, and the outer wall of the connecting bolt is threadedly connected to the inner wall of the locking nut.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. By arranging the U-shaped piece in the middle of the first flange plate and the abutting block connected by the connecting spring, when the second flange plate is abutted and installed with the first flange plate, the second flange plate is rotated, the abutting block is extruded into the middle of the inner wall of the U-shaped piece through the trigger block, the connecting spring is deformed, and then the stability of the connecting process of the first flange plate and the second flange plate can be ensured under the close clamping cooperation of the trigger block and the arc-shaped groove, the loosening is prevented, and under the cooperation of the annular groove and the sealing ring, the first flange plate and the second flange plate can be locked twice, and then the sealing property of the whole flange plate in the use process is ensured, and the medium conveyed in the pipeline is prevented from leaking.

[0013] 2. By arranging the threaded sleeve at the pipeline connection end of the first flange plate and the second flange plate, the threaded sleeve can provide greater contact area, thereby enhancing the connection strength between the flanges, reducing the loosening risk caused by pressure or vibration, the threaded sleeve can simplify the installation and dismounting process of the flange, and through the threaded connection, the assembly and dismounting can be quickly and conveniently carried out, the design of the threaded sleeve can improve the sealing performance of the flange connection, reduce the possibility of leakage, in a high-temperature environment, the pipeline and the flange will be heat-expanded, the threaded sleeve can provide certain flexibility, help to absorb the stress caused by heat expansion, and reduce the risk of rupture of the flange connection. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a split state schematic view of the whole structure of the utility model flange.

[0015] Figure 2 It is a top view schematic view of the whole structure of the utility model flange.

[0016] Figure 3 It is a connection state schematic view of the whole structure of the utility model flange.

[0017] Figure 4 It is a vertical section schematic view of the first flange plate of the utility model.

[0018] Figure 5 It is an enlarged schematic view of the A part of the utility model. Figure 4

[0019] In the drawing:​

[0020] 1, the first flange plate; 2, the second flange plate; 3, the threaded sleeve; 4, the arc-shaped groove; 5, the U-shaped piece; 6, the butt block; 7, the connecting spring; 8, the annular groove; 9, the sealing ring; 10, the trigger block; 11, the connecting bolt; 12, the through hole; 13, the locking nut. DETAILED DESCRIPTION

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

[0022] Please refer to Figures 1 to 5 An embodiment provided by the present application is as follows: a portable pipeline connecting flange, comprising a first flange plate 1 and a second flange plate 2, threaded sleeves 3 are fixedly connected to the inner wall middle parts of the first flange plate 1 and the second flange plate 2, a plurality of arc-shaped grooves 4 are evenly formed on the inner side edges of the first flange plate 1, U-shaped pieces 5 are fixedly connected to the inner walls of the arc-shaped grooves 4, butt blocks 6 are fixedly connected to the inner walls of the U-shaped pieces 5, a plurality of connecting springs 7 are fixedly connected to the ends of the butt blocks 6 away from the U-shaped pieces 5, a plurality of trigger blocks 10 are fixedly connected to the inner side edges of the second flange plate 2, and the arc-shaped tracks of the trigger blocks 10 are matched with the arc-shaped grooves 4.

[0023] The arc-shaped grooves 4 and the trigger blocks 10 are one-to-one corresponding.

[0024] More preferably, the first flange plate 1 and the second flange plate 2 are close to each other, the second flange plate 2 is rotated so that the trigger blocks 10 can be butted into the inner walls of the arc-shaped grooves 4, and the rotation is continued, the trigger blocks 10 press the butt blocks 6, the butt blocks 6 press and fix the connecting springs 7 connected thereto, the connecting springs 7 are deformed, and then the first flange plate 1 and the second flange plate 2 can be closely connected.

[0025] An annular groove 8 is formed in the inner side middle part of the first flange plate 1, a sealing ring 9 is fixedly connected to the inner side middle part of the second flange plate 2, the sealing ring 9 is matched with the annular groove 8, a plurality of connecting bolts 11 are threadedly connected to the outer side middle part of the first flange plate 1, a plurality of through holes 12 are formed in the outer side edges of the second flange plate 2, locking nuts 13 are fixedly connected to the outer walls of the second flange plate 2 on the outer sides of the through holes 12, and the outer walls of the connecting bolts 11 are threadedly connected to the inner walls of the locking nuts 13.

[0026] The material of the sealing ring 9 is selected from rubber.

[0027] More preferably, the arc-shaped groove 4 in the middle of the first flange plate 1 can be connected and buckled with the sealing ring 9 during operation, thereby further enhancing the sealing performance of the connection between the first flange plate 1 and the second flange plate 2, preventing leakage of the medium transported in the pipeline. A threaded sleeve 3 is provided at the connection end of the first flange plate 1 and the second flange plate 2, which can provide a larger contact area, thereby enhancing the connection strength between the flanges and reducing the risk of loosening caused by pressure or vibration. The use of the threaded sleeve 3 can simplify the installation and disassembly process of the flanges. Through threaded connection, assembly and disassembly can be quickly and conveniently performed. The design of the threaded sleeve 3 can improve the sealing performance of the flange connection and reduce the possibility of leakage. In a high-temperature environment, the pipeline and the flange will expand due to heat, and the threaded sleeve 3 can provide a certain flexibility to help absorb the stress caused by thermal expansion and reduce the risk of rupture at the flange connection.

[0028] The working principle of the above implementation is as follows:

[0029] The working steps are as follows:

[0030] First, the first flange plate 1 is brought close to the second flange plate 2, and the second flange plate 2 is rotated so that each trigger block 10 can be connected to the inner wall of the arc-shaped groove 4, and then the trigger block 10 is continuously rotated to press the abutment block 6, causing the abutment block 6 to press and fix the connected connecting spring 7, causing the connecting spring 7 to deform and thereby causing the first flange plate 1 and the second flange plate 2 to be closely connected. At the same time, the arc-shaped groove 4 in the middle of the first flange plate 1 can be connected and buckled with the sealing ring 9 during operation, thereby further enhancing the sealing performance of the connection between the first flange plate 1 and the second flange plate 2, preventing leakage of the medium transported in the pipeline.

[0031] A threaded sleeve 3 is provided at the connection end of the first flange plate 1 and the second flange plate 2, which can provide a larger contact area, thereby enhancing the connection strength between the flanges and reducing the risk of loosening caused by pressure or vibration. The use of the threaded sleeve 3 can simplify the installation and disassembly process of the flanges. Through threaded connection, assembly and disassembly can be quickly and conveniently performed. The design of the threaded sleeve 3 can improve the sealing performance of the flange connection and reduce the possibility of leakage. In a high-temperature environment, the pipeline and the flange will expand due to heat, and the threaded sleeve 3 can provide a certain flexibility to help absorb the stress caused by thermal expansion and reduce the risk of rupture at the flange connection.

[0032] Finally, after the first flange plate 1 and the second flange plate 2 are connected to the pipeline, each connecting bolt 11 is rotated through the through hole 12 into the inner wall of the locking nut 13, thereby ensuring the stable sealing effect of the first flange plate 1 and the second flange plate 2 during connection and use, and ensuring the safe transportation of the medium in the pipeline.

[0033] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0034] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A convenient pipe connection flange, characterized in that: The flange includes a first flange (1) and a second flange (2). Threaded sleeves (3) are fixedly connected to the middle of the inner walls of both the first flange (1) and the second flange (2). Several arc-shaped grooves (4) are evenly opened around the inner edge of the first flange (1). A U-shaped piece (5) is fixedly connected to one side of the inner wall of each arc-shaped groove (4). A mating block (6) is fixedly connected to the inner wall of each U-shaped piece (5). A connecting spring (7) is fixedly connected to the end of each mating block (6) away from the U-shaped piece (5). Several trigger blocks (10) are evenly fixedly connected around the inner edge of the second flange (2). The arc trajectory of the trigger block (10) matches the arc-shaped groove (4).

2. The convenient pipe connection flange according to claim 1, characterized in that: The first flange (1) has an annular groove (8) in the middle of its inner side, and the second flange (2) has a sealing ring (9) fixedly connected to the middle of its inner side.

3. A convenient pipe connection flange according to claim 2, characterized in that: The sealing ring (9) and the annular groove (8) are engaged and matched.

4. A convenient pipe connection flange according to claim 3, characterized in that: The outer middle of the first flange (1) is threaded with several connecting bolts (11), and the outer edge of the second flange (2) is provided with several through holes (12).

5. A convenient pipe connection flange according to claim 4, characterized in that: The outer wall of the second flange (2) is fixedly connected with locking nuts (13) around the outside of the through hole (12), and the outer wall of the connecting bolt (11) is threaded to the inner wall of the locking nut (13).

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