CN219775095U - Flange convenient to assembly - Google Patents

Abstract

The utility model provides a flange convenient to assemble, which comprises a first flange and a second flange, wherein a first communicating pipe is fixed on one side of the first flange, a second communicating pipe is fixed on the opposite side of the second flange to the first flange, positioning blocks are fixed on two sides of the first communicating pipe, positioning grooves are formed in the second communicating pipe, a fixing stud is arranged between the first positioning holes and the second positioning holes, a plurality of hexagonal reinforcing grooves are formed in the surface of the second flange, the hexagonal reinforcing grooves are in one-to-one correspondence with the second positioning holes, and reinforcing nuts are fixed on the fixing studs and are positioned in the hexagonal reinforcing grooves.

Description

Flange convenient to assembly

Technical Field

The utility model relates to the field of flanges, in particular to a flange convenient to assemble.

Background

The flange is a part for interconnecting shafts, is commonly used for connecting end pipes, is also provided with a part of flange for connecting an inlet and an outlet of equipment, is used for connecting two pieces of equipment, is generally used in pairs, is made of high-strength carbon steel, and has good corrosion resistance while ensuring strength.

The inventor finds that when the flange is applied to connect the low-pressure pipeline in daily work, a screw flange is used for connecting the two flanges under the pressure of less than four kilograms, namely a screw is used for connecting the two flanges, however, under the impact of long-time pressure, the screw can shift to cause loosening, so that the sealing strength of the flanges can be influenced, and the problem of leakage at the connecting part can be caused.

Accordingly, there is a need to provide a new flange that facilitates assembly to address the above-described problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the flange convenient to assemble, and solves the problems that under the impact of long-time pressure, the screw is shifted to loosen, the sealing strength of the flange is further affected, and the joint is likely to leak.

The flange convenient to assemble comprises a first flange and a second flange, wherein a first communicating pipe is fixed on one side of the first flange, and a second communicating pipe is fixed on the opposite side of the second flange to the first flange;

the positioning blocks are fixed on two sides of the first communicating pipe, positioning grooves are formed in the second communicating pipe, the positioning blocks are matched with the positioning grooves, and the first communicating pipe is connected with the second communicating pipe through the mounting assembly.

In a preferred embodiment, the first communication pipe outer diameter dimension matches the second communication pipe inner diameter dimension.

In a preferred embodiment, the first flange is surface mounted with a waterproof gasket, and the waterproof gasket is located between the first flange and the locating block.

In a preferred embodiment, the mounting assembly comprises a plurality of first positioning holes formed in the first flange and a plurality of second positioning holes formed in the upper portion of the second flange, a fixing stud is arranged between the first positioning holes and the second positioning holes, a plurality of hexagonal reinforcing grooves are formed in the surface of the second flange, the hexagonal reinforcing grooves correspond to the second positioning holes one by one, and reinforcing nuts are fixed on the fixing studs and located inside the hexagonal reinforcing grooves.

In a preferred embodiment, a plurality of supporting nuts are arranged on one side of the first flange, a plurality of reinforcing threaded holes are formed in the surface of the first flange, the supporting nuts are in threaded connection with the fixing studs, supporting blocks are fixed on two sides of each supporting nut, reinforcing bolts are arranged on one side of each supporting block, and threaded ends of the reinforcing bolts penetrate through the supporting blocks and extend into the reinforcing threaded holes.

In a preferred embodiment, a drive nut is fixed to one side of the support nut.

The utility model has the beneficial effects that:

1. in order to avoid the problem that the screw can shift to cause looseness under the impact of the long-time pressure of this flange, staff's accessible inserts inside first locating hole and the second locating hole with the fixed double-screw bolt, and the strengthening nut is located the inside of hexagonal strengthening groove this moment, and the driving nut is being driven to the tool rotation that reuses drives the supporting nut and rotates, and then installs the supporting nut on the fixed double-screw bolt, makes the fixed double-screw bolt unable rotation through setting up strengthening nut and hexagonal strengthening groove, has effectively prevented that the screw thread post from taking place to shift under the impact of pressure, and then has strengthened the sealing strength between two flanges, prevents the emergence of leakage.

2. In order to further increase the connection strength between the two flanges, the rotatable reinforcing bolts enter the reinforcing threaded holes, and because the positioning blocks are always required to be inserted into the positioning grooves by workers during assembly, the positions of the reinforcing bolts and the reinforcing threaded holes are corresponding after the supporting nuts are installed.

Drawings

FIG. 1 is a schematic view of a flange for facilitating assembly according to the present utility model;

FIG. 2 is a schematic diagram of a flange for easy assembly according to the present utility model;

fig. 3 is a schematic diagram of a main structure of a flange convenient to assemble.

Reference numerals in the drawings: 1. a first flange; 2. a first communication pipe; 3. a positioning block; 4. a positioning groove; 5. a second communicating pipe; 6. a waterproof gasket; 7. a first positioning hole; 8. a second positioning hole; 9. fixing a stud; 10. hexagonal reinforcing grooves; 11. reinforcing the nut; 12. a support nut; 13. reinforcing the threaded hole; 14. a support block; 15. reinforcing bolts; 16. a drive nut; 17. and a second flange.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1, fig. 2 and fig. 3 in combination, fig. 1 is a schematic diagram of a main structure of a flange for easy assembly according to the present utility model; FIG. 2 is a schematic diagram of a flange for easy assembly according to the present utility model; fig. 3 is a schematic diagram of a main structure of a flange convenient to assemble.

In the specific implementation process, as shown in fig. 1-3, the first flange 1 and the second flange 17 are characterized in that one side of the first flange 1 is fixed with a first communicating pipe 2, one side of the second flange 17 opposite to the first flange 1 is fixed with a second communicating pipe 5, both sides of the first communicating pipe 2 are fixed with positioning blocks 3, positioning grooves 4 are formed in the second communicating pipe 5, the positioning blocks 3 are matched with the positioning grooves 4 for use, the first communicating pipe 2 and the second communicating pipe 5 are connected through a mounting assembly, the outer diameter size of the first communicating pipe 2 is matched with the inner diameter size of the second communicating pipe 5, the first communicating pipe 2 can be inserted into the first communicating pipe 5, a waterproof gasket 6 is arranged on the surface of the first flange 1, and the waterproof gasket 6 is positioned between the first flange 1 and the positioning blocks 3 to play a waterproof role.

The installation component includes a plurality of first locating holes 7 of seting up at first flange 1 and a plurality of second locating holes 8 of seting up in second flange 17 top, be provided with fixed screw bolt 9 between first locating hole 7 and the second locating hole 8, a plurality of hexagonal strengthening grooves 10 have been setted up on the second flange 17 surface, a plurality of hexagonal strengthening grooves 10 and second locating hole 8 one-to-one, be fixed with the strengthening nut 11 on the fixed screw bolt 9, the strengthening nut 11 is located hexagonal strengthening groove 10 inside, first flange 1 one side is provided with a plurality of support nuts 12, a plurality of reinforcing screw holes 13 have been setted up on first flange 1 surface, support nut 12 and fixed screw bolt 9 threaded connection, support nut 12 both sides all are fixed with supporting shoe 14, supporting shoe 14 one side is provided with the strengthening bolt 15, the threaded end of strengthening bolt 15 runs through supporting shoe 14, and extends to the inside of reinforcing screw hole 13, support nut 12 one side is fixed with driving nut 16, in order to further increase the joint strength between two flanges, rotatable strengthening bolt 15 gets into inside the locating piece 13, because during the assembly, the staff always need insert 3 inside the locating groove 4, can guarantee at the corresponding position of the strengthening nut 13 after the installation of the support nut is completed with the support nut 12.

The working principle of the utility model is as follows: when the first flange 1 and the second flange 17 are assembled, a worker inserts the positioning block 3 and the positioning groove 4, and at the moment, the first positioning hole 7 positioned on the first flange 1 and the second positioning hole 8 of the second flange 17 are uniformly and correspondingly arranged, so that the assembly speed of the worker is greatly facilitated;

in order to avoid the problem of loosening caused by displacement of the screw under the impact of the flange for a long time, a worker can insert the fixing stud 9 into the first positioning hole 7 and the second positioning hole 8, the reinforcing nut 11 is positioned in the hexagonal reinforcing groove 10, and then the driving nut 16 is rotated by using a tool (a hexagonal wrench) to drive the supporting nut 12 to rotate, so that the supporting nut 12 is mounted on the fixing stud 9;

in order to further increase the connection strength between the two flanges, the rotatable reinforcing bolts 15 enter the reinforcing threaded holes 13, and since the positioning block 3 is always required to be inserted into the positioning groove 4 by a worker during assembly, the positions of the reinforcing bolts 15 and the reinforcing threaded holes 13 are ensured to be corresponding after the support nuts 12 are mounted.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. The flange convenient to assemble comprises a first flange (1) and a second flange (17), and is characterized in that a first communicating pipe (2) is fixed on one side of the first flange (1), and a second communicating pipe (5) is fixed on one side, opposite to the first flange (1), of the second flange (17);

the positioning blocks (3) are fixed on two sides of the first communicating pipe (2), the positioning grooves (4) are formed in the second communicating pipe (5), the positioning blocks (3) are matched with the positioning grooves (4) for use, and the first communicating pipe (2) is connected with the second communicating pipe (5) through the installation assembly.

2. The flange for facilitating assembly according to claim 1, wherein the outer diameter dimension of the first communication pipe (2) is matched to the inner diameter dimension of the second communication pipe (5).

3. The flange for facilitating assembly according to claim 2, characterized in that the first flange (1) is surface mounted with a waterproof gasket (6), and the waterproof gasket (6) is located between the first flange (1) and the positioning block (3).

4. The flange convenient to assemble according to claim 3, characterized in that the installation component comprises a plurality of first locating holes (7) formed in the first flange (1) and a plurality of second locating holes (8) formed in the upper portion of the second flange (17), a fixing stud (9) is arranged between the first locating holes (7) and the second locating holes (8), a plurality of hexagonal reinforcing grooves (10) are formed in the surface of the second flange (17), the hexagonal reinforcing grooves (10) are in one-to-one correspondence with the second locating holes (8), reinforcing nuts (11) are fixed on the fixing studs (9), and the reinforcing nuts (11) are located inside the hexagonal reinforcing grooves (10).

5. The flange convenient to assemble according to claim 4, wherein a plurality of support nuts (12) are arranged on one side of the first flange (1), a plurality of reinforcing threaded holes (13) are formed in the surface of the first flange (1), the support nuts (12) are in threaded connection with the fixing studs (9), support blocks (14) are fixed on two sides of the support nuts (12), reinforcing bolts (15) are arranged on one side of the support blocks (14), and threaded ends of the reinforcing bolts (15) penetrate through the support blocks (14) and extend into the reinforcing threaded holes (13).

6. The flange for facilitating assembly according to claim 5, wherein a drive nut (16) is fixed to one side of the support nut (12).