Flange convenient to position

Abstract

The utility model discloses a flange convenient to position, and relates to the technical field of flanges. The flange comprises a flange body and a fixing assembly, a hollow groove is formed in the peripheral side face of the flange body, and a plurality of sets of matching grooves are evenly distributed in the side face of the flange body. The flange bodies, the positioning insertion holes, the positioning ring plate, the mounting holes, the positioning screw holes and the fixing assemblies are arranged, the positioning ring plate is rotationally connected in the flange bodies, two groups of flange bodies can be aligned in the mounting process, then the positioning ring plate is rotated, the mounting holes are more convenient to align, the positioning insertion holes are flush with one group of positioning screw holes, and the positioning screw holes are more convenient to fix. An external bolt penetrates through a mounting hole and is fixed in a matched mode through a nut, then matched insertion rods on the two sides of the bottom surface of a fixing block are inserted into positioning insertion holes, positioning screws are screwed to be fixed to positioning screw holes in a threaded mode, the positioning annular plate is further limited and fixed, the alignment state of the mounting hole does not need to be checked frequently, and the positioning efficiency is improved. And the butt joint of the flange body is quicker.

Description

Technical Field

[0001] This utility model belongs to the field of flange technology, and in particular relates to a flange that is easy to position. Background Technology

[0002] A flange, also called a flange plate or flange, is a part used to connect shafts, for connecting pipe ends; flanges are also used on equipment inlets and outlets for connecting two pieces of equipment, such as gearbox flanges. A flange connection or flange joint refers to a detachable connection consisting of a flange, gasket, and bolts forming a combined sealing structure. Pipe flanges refer to flanges used for piping in pipeline installations, while equipment flanges refer to the inlet and outlet flanges of the equipment. Flanges have holes, and bolts are used to tightly connect two flanges. A gasket is used for sealing between flanges. Flanges are classified as threaded flanges, welded flanges, and clamp flanges. Flanges are always used in pairs; threaded flanges can be used for low-pressure pipelines, while welded flanges are used for pressures above four kilograms. A gasket is placed between two flange plates, and then they are tightened with bolts. Flanges of different pressure ratings have different thicknesses, and the bolts used also differ. Pumps and valves, when connected to pipelines, are also made with corresponding flange shapes, which is also called a flange connection. Any connecting part that uses bolts to connect and seal two planes is generally called a "flange," such as the connection of ventilation ducts. These parts can be called "flange-type parts." However, if this connection is only a part of a device, such as the connection between a flange and a water pump, it is not appropriate to call the water pump a "flange-type part." Smaller items, such as valves, can be called "flange-type parts."

[0003] In the use of existing flanges, the bolt holes of the two flanges need to be aligned to facilitate the insertion of the connecting bolts. However, the operation of aligning the bolt holes is cumbersome, and when there is a pipeline connected behind the flange, rotating the flange at a large angle requires rotating the entire pipeline, which is very heavy and inconvenient. Utility Model Content

[0004] The purpose of this utility model is to provide a flange that is easy to position, solving the problem that existing flanges require the bolt holes of the two flanges to be aligned during use to facilitate the insertion of connecting bolts. However, the operation of aligning the bolt holes is cumbersome, and when there is a pipe connected to the back of the flange, rotating the flange at a large angle requires rotating the entire pipe, which is very heavy and inconvenient.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model relates to a flange that is easy to position, comprising a flange body and a fixing assembly. A hollow groove is formed on the circumferential side of the flange body. Multiple sets of mating grooves are evenly distributed on the side of the flange body. The mating grooves are connected to the hollow groove. A positioning ring plate is rotatably connected inside the hollow groove. A number of mounting holes are evenly distributed on the side of the positioning ring plate. The mounting holes are located at the mating grooves. A number of positioning insertion holes are formed on both sides of the circumferential surface of the flange body. A number of positioning screw holes are formed on the circumferential surface of the positioning ring plate.

[0007] The fixing component includes a fixing block, which is disposed on one side of the positioning ring plate. Both sides of the bottom surface of the fixing block are fixedly connected with mating rods. One end of the mating rod is inserted into the positioning hole. A positioning screw is slidably connected inside the fixing block, and the positioning screw is threadedly adapted to the positioning screw hole.

[0008] The positioning ring plate is larger than the flange body; this facilitates the rotation of the positioning ring plate to align the mounting holes.

[0009] The bottom surface of the fixing block is arc-shaped and is adapted to the arc surface of the positioning ring plate.

[0010] A welding protrusion is fixedly connected to one side of the flange body; by setting the welding protrusion, it is convenient to weld the pipes together.

[0011] This utility model has the following beneficial effects:

[0012] This utility model, by setting up a flange body, mating groove, positioning insertion hole, positioning ring plate, mounting hole, positioning screw hole, and fixing components, allows the positioning ring plate to be rotatably connected within the flange body. During installation, this enables the alignment of two flange bodies, and then the positioning ring plate is rotated to facilitate the alignment of the mounting holes, making the positioning insertion hole flush with one set of positioning screw holes. External bolts are then passed through the mounting holes and secured with nuts. Subsequently, the mating insertion rods on both sides of the bottom surface of the fixing block are inserted into the positioning insertion hole, and the positioning screws are tightened to thread them into the positioning screw holes, further limiting and fixing the positioning ring plate. This eliminates the need for frequent checks of the mounting hole alignment, making flange body assembly faster.

[0013] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the three-dimensional assembly structure of this utility model;

[0016] Figure 2 This is a right view of the assembly structure of this utility model;

[0017] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure of AA.

[0018] The attached diagram lists the components represented by each number as follows:

[0019] 1. Flange body; 101. Welding protrusion; 102. Mating groove; 103. Positioning insertion hole; 2. Positioning ring plate; 201. Mounting hole; 202. Positioning screw hole; 3. Fixing component; 301. Fixing block; 302. Mating insertion rod; 303. Positioning screw. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figures 1-3As shown, this utility model is a flange that is easy to position, including a flange body 1 and a fixing component 3. A hollow groove is opened on the circumferential side of the flange body 1. Multiple sets of mating grooves 102 are evenly distributed on the side of the flange body 1. The mating grooves 102 are connected to the hollow groove. A positioning ring plate 2 is rotatably connected in the hollow groove. A number of mounting holes 201 are evenly distributed on the side of the positioning ring plate 2. The mounting holes 201 are set at the mating grooves 102. A number of positioning insertion holes 103 are opened on both sides of the circumferential surface of the flange body 1. A number of positioning screw holes 202 are opened on the circumferential surface of the positioning ring plate 2.

[0024] The fixing component 3 includes a fixing block 301, which is disposed on one side of the positioning ring plate 2. Both sides of the bottom surface of the fixing block 301 are fixedly connected with mating rods 302. One end of the mating rod 302 is inserted into the positioning hole 103. A positioning screw 303 is slidably connected inside the fixing block 301. The positioning screw 303 is threadedly matched with the positioning screw hole 202.

[0025] The positioning ring plate 2 is larger than the flange body 1; this makes it easier to rotate the positioning ring plate 2 so that the mounting holes 201 are aligned.

[0026] The bottom surface of the fixing block 301 is an arc-shaped surface, which is adapted to the arc surface of the positioning ring plate 2.

[0027] A welding protrusion 101 is fixedly connected to one side of the flange body 1; by setting the welding protrusion 101, it is convenient to weld the pipe.

[0028] It should be further explained that in actual use, the two sets of flange bodies 1 are aligned, and then the positioning ring plate 2 is rotated to make the alignment of the mounting holes 201 easier and to make the positioning insertion hole 103 flush with one of the positioning screw holes 202. Then, the external bolts are passed through the mounting holes 201 and fixed with nuts. Then, the mating insertion rods 302 on both sides of the bottom surface of the fixing block 301 are inserted into the positioning insertion holes 103. Then, the positioning screws 303 are screwed to fix them with the threads of the positioning screw holes 202, which further limits and fixes the positioning ring plate 2. It is not necessary to frequently check the alignment of the mounting holes 201, making the connection of the flange bodies 1 faster.

[0029] In the description of this specification, references to terms such as "an embodiment," "example," and "specific example" indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0030] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A flange for easy positioning, comprising a flange body (1) and a fixing assembly (3), characterized in that: The flange body (1) has a hollow groove on its circumferential side. Multiple sets of mating grooves (102) are evenly distributed on the side of the flange body (1). The mating grooves (102) are connected to the hollow groove. A positioning ring plate (2) is rotatably connected inside the hollow groove. A number of mounting holes (201) are evenly distributed on the side of the positioning ring plate (2). The mounting holes (201) are located at the mating grooves (102). A number of positioning insertion holes (103) are opened on both sides of the circumferential surface of the flange body (1). A number of positioning screw holes (202) are opened on the circumferential surface of the positioning ring plate (2).

2. The flange for easy positioning according to claim 1, characterized in that, The fixing component (3) includes a fixing block (301), which is disposed on one side of the positioning ring plate (2). Both sides of the bottom surface of the fixing block (301) are fixedly connected with mating rods (302). One end of the mating rod (302) is inserted into the positioning hole (103). The fixing block (301) is slidably connected with a positioning screw (303), which is threadedly adapted to the positioning screw hole (202).

3. The flange for easy positioning according to claim 2, characterized in that, The size of the positioning ring plate (2) is larger than that of the flange body (1).

4. A flange for easy positioning according to claim 3, characterized in that, The bottom surface of the fixing block (301) is an arc-shaped surface, which is adapted to the arc surface of the positioning ring plate (2).

5. A flange for easy positioning according to claim 4, characterized in that, A weld protrusion (101) is fixedly connected to one side of the flange body (1).

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