Flange convenient to disassemble and assemble

Abstract

The flange convenient to disassemble and assemble comprises a bottom block, a connecting cylinder is fixedly installed at the upper end of the bottom block, a first flange plate is fixedly connected to the upper portion of the outer surface of the connecting cylinder in a sleeved mode, a second flange plate is arranged at the upper end of the first flange plate, and a connecting column is fixedly installed in the second flange plate. According to the flange convenient to disassemble and assemble, two flanges can be connected more firmly by arranging the bottom block, when the flange is connected in use, the clamping block is firstly fixed on the connecting column, the connecting column is fixed in the second flange plate, meanwhile, the clamping groove is formed in the connecting cylinder, and the clamping block is clamped in the clamping groove. The clamping blocks and the connecting columns are clamped in the connecting grooves and the clamping grooves correspondingly, through connection of the clamping blocks and the clamping grooves, connection of the connecting columns and the connecting grooves is firmer, the phenomenon of looseness of the connecting columns can be avoided, and through reinforcement of the reinforcing bolts, the stability of connection between the two flanges can be enhanced; and by arranging the connecting columns, the flange can be disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of flanges, in particular to a flange which is easy to disassemble and assemble. Background Art

[0002] Flanges are parts that connect shafts to each other and are used to connect pipe ends. Flanges are also used at the inlet and outlet of equipment to connect two devices. Pipe flanges refer to flanges used for piping in pipeline installations. When used on equipment, they refer to the inlet and outlet flanges of the equipment. There are holes on the flanges, and bolts connect the two flanges tightly. Gaskets are used to seal the flanges.

[0003] The prior art (patent number: CN213809347U) discloses a flange that is easy to disassemble and assemble, including a first flange, a second flange, a connecting frame, a fixing claw and bolts, wherein: a plurality of limit columns and a plurality of bolt holes are equidistantly arranged on the first flange, the limit columns and the bolt holes are arranged at intervals, the edge of the first flange is provided with mounting grooves equal in number to the bolt holes, and the mounting grooves are arranged on the outside of the bolt holes, and a plurality of limit holes are provided on the second flange. The beneficial effects of the utility model are as follows: by setting the upper limit post on the first flange and the upper limit hole on the second flange, the time for positioning the two flanges is greatly saved; an installation groove is opened on the first flange, and the connecting frame is fixedly installed in the installation groove, which is convenient for replacement after damage, and there is no need to replace the entire flange, thereby reducing material loss; the threaded hole is directly set on the first flange, and there is no need to use a nut, which simplifies the installation; through the setting of the fixing claw, the bolts are passed through the fixing holes on the fixing claws and the limiting holes on the second flange in turn, and then the first flange and the second flange are fixedly connected through the threads and the bolt holes, which are fixed more securely, and no external force support is required during the installation of the bolts, so that the bolts are more convenient to tighten, and the disassembly process is similar, which facilitates installation and disassembly.

[0004] The existing flanges that are easy to disassemble and assemble have the following disadvantages. Since the stability of the connection between the existing flanges is general, the flanges are prone to loosening after long-term use. Therefore, we propose a new type of flange that is easy to disassemble and assemble. Utility Model Content

[0005] The main purpose of the utility model is to provide a flange that is easy to disassemble and assemble, and can effectively enhance the stability of the flange connection.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A flange that is easy to disassemble and assemble comprises a bottom block, a connecting tube is fixedly mounted on the upper end of the bottom block, a No. 1 flange is fixedly sleeved on the upper part of the outer surface of the connecting tube, a No. 2 flange is arranged on the upper end of the No. 1 flange, and a connecting column is fixedly mounted inside the No. 2 flange.

[0008] Preferably, a connecting groove is provided at the upper end of the connecting tube, a clamping groove is provided on the left side and the right side inside the connecting groove, and a plurality of screw holes are provided at the upper end of the No. 1 flange.

[0009] Preferably, the plurality of screw holes are distributed in a circular array, the two slots are distributed symmetrically, and the slots are configured as a structure with an open upper portion and a closed lower portion.

[0010] Preferably, a plurality of through holes extending upward and downward are provided at the upper end of the second flange, a mounting groove is provided at the middle portion of the upper end of the second flange, and bolts are threadedly inserted and connected inside the plurality of through holes.

[0011] Preferably, the plurality of bolts and the plurality of through holes are distributed in a circular array, and the bolts penetrate through the through holes and are threadedly inserted and connected in the screw holes.

[0012] Preferably, the left side and the right side of the outer cylindrical surface of the connecting column are fixedly connected with a clamping block, the left and right ends of the two clamping blocks are movably connected with reinforcing bolts, the left side and the right side of the outer cylindrical surface of the connecting tube are opened with left and right connecting holes, the clamping block is clamped in the clamping groove, and the reinforcing bolt passes through the connecting hole and is threadedly connected to the clamping block.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the utility model, by setting the bottom block, the connection between the two flanges can be made more secure. When in use, when the flanges are connected, first fix the clamping block on the connecting column, and fix the connecting column in the second flange. At the same time, a clamping groove is opened in the connecting tube, and the clamping block and the connecting column are clamped in the connecting groove and the clamping groove respectively. Through the connection between the clamping block and the clamping groove, the connection between the connecting column and the connecting groove is made more secure, which can avoid the loosening of the connecting column. And through the reinforcement of the reinforcing bolt, the stability of the connection between the two flanges can be strengthened;

[0015] 2. In the utility model, the flange can be disassembled by setting a connecting column. When the flange needs to be disassembled during use, first remove the reinforcing bolt from the connecting hole and the clamping block, and remove the bolt from the through hole and the screw hole, and then take the connecting column and the clamping block out of the connecting groove and the clamping groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a flange that is easy to disassemble and assemble according to the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a bottom block of a flange that is easy to disassemble and assemble according to the utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of a second flange plate of a flange that is easy to disassemble and assemble according to the utility model;

[0019] Figure 4 The utility model is a schematic diagram of the overall structure of a flange connection column which is easy to disassemble and assemble.

[0020] In the figure: 1, bottom block; 2, connecting tube; 3, flange No. 1; 4, flange No. 2; 5, connecting column; 6, connecting groove; 7, clamping groove; 8, screw hole; 21, connecting hole; 41, mounting groove; 42, through hole; 43, bolt; 51, clamping block; 52, reinforcing bolt. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1-4As shown, a flange that is easy to disassemble and assemble comprises a bottom block 1, a connecting tube 2 is fixedly installed on the upper end of the bottom block 1, a No. 1 flange 3 is fixedly sleeved on the upper part of the outer surface of the connecting tube 2, a No. 2 flange 4 is arranged on the upper end of the No. 1 flange 3, and a connecting column 5 is fixedly installed inside the No. 2 flange 4; a connecting groove 6 is provided on the upper end of the connecting tube 2, and a clamping groove 7 is provided on the left and right sides of the connecting groove 6, and a plurality of screw holes 8 are provided on the upper end of the No. 1 flange 3; the plurality of screw holes 8 are distributed in an annular array, and the two clamping grooves 7 are symmetrically distributed, and the clamping grooves 7 are arranged in an upper open and lower closed structure; a plurality of through holes 42 are provided on the upper end of the No. 2 flange 4, a mounting groove 41 is provided in the middle of the upper end of the No. 2 flange 4, and the plurality of through holes 42 are all threadedly inserted inside It is connected with bolts 43; multiple bolts 43 and multiple through holes 42 are distributed in a circular array, and the bolts 43 pass through the through holes 42 and are threadedly inserted and connected in the screw holes 8; by setting the bottom block 1, the connection between the two flanges can be more secure. When in use, when the flanges are connected, first fix the block 51 on the connecting column 5, and fix the connecting column 5 in the second flange plate 4. At the same time, a slot 7 is opened in the connecting tube 2, and the block 51 and the connecting column 5 are respectively clamped in the connecting groove 6 and the slot 7. Through the connection between the block 51 and the slot 7, the connection between the connecting column 5 and the connecting groove 6 is made more secure, which can avoid the loosening of the connecting column 5, and through the reinforcement of the reinforcing bolt 52, the stability of the connection between the two flanges can be strengthened.

[0025] The left side and the right side of the outer cylindrical surface of the connecting column 5 are fixedly connected with a clamping block 51, and the left and right ends of the two clamping blocks 51 are movably connected with reinforcing bolts 52. The left side and the right side of the outer cylindrical surface of the connecting tube 2 are provided with left and right connecting holes 21 that pass through, the clamping block 51 is clamped in the clamping groove 7, and the reinforcing bolt 52 passes through the connecting hole 21 and is threadedly connected to the clamping block 51; by setting the connecting column 5, the flange can be disassembled. When in use, when the flange needs to be disassembled, first remove the reinforcing bolt 52 from the connecting hole 21 and the clamping block 51, and remove the bolt 43 from the through hole 42 and the screw hole 8, and then take the connecting column 5 and the clamping block 51 out of the connecting groove 6 and the clamping groove 7.

[0026] It should be noted that the utility model is a flange that is easy to disassemble and assemble. By setting the bottom block 1, the connection between the two flanges can be more secure. In use, when the flanges are connected, first fix the block 51 on the connecting column 5, and fix the connecting column 5 in the second flange plate 4. At the same time, a slot 7 is provided in the connecting tube 2, and the block 51 and the connecting column 5 are respectively connected in the connecting groove 6 and the slot 7. Through the connection between the block 51 and the slot 7, the connection between the connecting column 5 and the connecting groove 6 is made more secure, which can avoid the loosening of the connecting column 5, and the stability of the connection between the two flanges can be strengthened by the reinforcement of the reinforcing bolt 52; the flange can be disassembled by setting the connecting column 5. In use, when the flange needs to be disassembled, first remove the reinforcing bolt 52 from the connecting hole 21 and the block 51, and remove the bolt 43 from the through hole 42 and the screw hole 8, and then take the connecting column 5 and the block 51 out of the connecting groove 6 and the slot 7.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A flange that is easy to disassemble and assemble, comprising a bottom block (1), characterized in that: A connecting tube (2) is fixedly mounted on the upper end of the bottom block (1); a first flange (3) is fixedly sleeved on the upper portion of the outer surface of the connecting tube (2); a second flange (4) is arranged on the upper end of the first flange (3); a connecting column (5) is fixedly mounted inside the second flange (4).

2. The flange that is easy to disassemble and assemble according to claim 1, characterized in that: The upper end of the connecting tube (2) is provided with a connecting groove (6), the left side and the right side of the connecting groove (6) are provided with clamping grooves (7), and the upper end of the No. 1 flange (3) is provided with a plurality of screw holes (8).

3. The flange that is easy to disassemble and assemble according to claim 2, characterized in that: The plurality of screw holes (8) are distributed in a circular array, the two clamping slots (7) are distributed symmetrically on the left and right, and the clamping slots (7) are configured as a structure with an open upper portion and a closed lower portion.

4. The flange that is easy to disassemble and assemble according to claim 3 is characterized in that: The upper end of the second flange (4) is provided with a plurality of through holes (42) passing through from top to bottom, and a mounting groove (41) is provided in the middle of the upper end of the second flange (4). Bolts (43) are threadedly inserted into the interior of the plurality of through holes (42).

5. The flange that is easy to disassemble and assemble according to claim 4, characterized in that: The plurality of bolts (43) and the plurality of through holes (42) are distributed in a circular array, and the bolts (43) penetrate the through holes (42) and are threadedly inserted into the screw holes (8).

6. The flange that is easy to disassemble and assemble according to claim 5, characterized in that: The left side and the right side of the outer cylindrical surface of the connecting column (5) are both fixedly connected with a clamping block (51), and the left and right ends of the two clamping blocks (51) are both movably connected with a reinforcing bolt (52). The left side and the right side of the outer cylindrical surface of the connecting tube (2) are both provided with a connecting hole (21) passing therethrough, and the clamping block (51) is clamped in the clamping groove (7), and the reinforcing bolt (52) passes through the connecting hole (21) and is threadedly connected to the clamping block (51).

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