Bidirectional connection structure of flange plate

Abstract

The utility model relates to the related technical field of flange plates, in particular to a bidirectional connection structure of a flange plate, which comprises a flange plate, a connection mechanism is arranged on one side surface of the flange plate, and a sealing mechanism is arranged on one side surface of the flange plate. Through the arrangement of the first threaded groove, the second threaded groove, a baffle, a limiting hole, a limiting column, a connecting hole, a bolt and a nut, when the flange plate needs to be used, the thread opening direction of a pipeline is judged firstly, and then the flange plate is connected with the pipeline through the first threaded groove or the second threaded groove; when two flange plates need to be spliced together, the limiting columns are inserted into the limiting holes, at the moment, the limiting columns and the limiting holes can position the two flange plates, and then bolts are inserted into the connecting holes and then are in threaded connection with nuts.

Description

Technical Field

[0001] The utility model relates to the technical field related to flanges, and in particular to a two-way connection structure of a flange. Background Art

[0002] Flange is a general term for a plate. It usually refers to a plate-like metal body with several holes for fixing around it for connecting other things. It is widely used in machinery. Because of the strange appearance, as long as it looks like it, it is called a flange, including forged flange, cast flange, spliced ​​flange, cut flange and rolled flange. The spliced ​​flange is connected by a threaded structure. The connection point of the spliced ​​flange is usually only at one end. Therefore, a two-way connection structure of the flange is particularly needed.

[0003] Because the existing splicing flange usually has only one connection point, it may affect the use of some reverse-threaded pipes during use. This will result in requirements for positive and reverse threads when the flange is used. In some cases, this may affect work efficiency and is not conducive to the use of the flange. Utility Model Content

[0004] The purpose of the utility model is to provide a two-way connection structure of a flange plate to solve the problem raised in the above background technology that the connection point of the existing splicing flange is usually only at one end, which may affect the use of some reverse-threaded pipes during use, resulting in requirements for positive and reverse threads of the flange during use, which may affect work efficiency in some cases and is not conducive to the use of the flange.

[0005] To achieve the above object, the utility model provides the following technical solution: a two-way connection structure of a flange, comprising a flange, a connection mechanism is provided on one side surface of the flange, and a sealing mechanism is provided on one side surface of the flange;

[0006] The connecting mechanism includes a first thread groove, a second thread groove, a baffle, a limiting hole, a limiting column, a connecting hole, a bolt and a nut. The upper surface of the flange is provided with a first thread groove, the lower surface of the flange is provided with a second thread groove, the inner surface of the flange is fixedly connected with a baffle, the upper surface of the flange is provided with a limiting hole, the lower surface of the flange is fixedly connected with a limiting column, the upper surface of the flange is provided with a connecting hole, the inner surface of the connecting hole is penetrated by a bolt, and the outer surface of the bolt is threadedly connected with a nut.

[0007] Preferably, the limiting holes are arranged at equal intervals on the upper surface of the flange, and the limiting posts are distributed at equal intervals on the lower surface of the flange.

[0008] Preferably, the outer wall size of the limiting column is consistent with the inner wall size of the limiting column, and the connecting holes are arranged at equal intervals on the surface of one side of the flange.

[0009] Preferably, the bolts are distributed at equal intervals on one surface of the flange, and the bolts and nuts form a threaded structure.

[0010] Preferably, the sealing mechanism includes a first placement groove, a first sealing ring, a second placement groove, a second sealing ring and a sealing gasket. A first placement groove is opened on one side surface of the baffle, and the first sealing ring is tightly fitted on the inner surface of the first placement groove. A second placement groove is opened on one side surface of the flange, and the second sealing ring is tightly fitted on the inner surface of the second placement groove. A sealing gasket is installed on one side surface of the flange.

[0011] Preferably, the inner wall size of the first placement groove matches the outer wall size of the first sealing ring, and the first sealing ring is made of rubber.

[0012] Preferably, the inner wall size of the second placement groove matches the outer wall size of the second sealing ring, and the second sealing ring is made of rubber.

[0013] Compared with the prior art, the beneficial effects of the utility model are: the bidirectional connection structure of the flange, through the setting of the first thread groove, the second thread groove, the baffle, the limiting hole, the limiting column, the connecting hole, the bolts and the nuts, when the flange needs to be used, first determine the thread direction of the pipeline, and then connect it to the pipeline through the first thread groove or the second thread groove. Through the setting of the baffle, the connected pipeline can be limited. When the two flanges need to be spliced ​​together, first insert the limiting column into the limiting hole. At this time, the limiting column and the limiting hole can play a positioning role for the two flanges. Then insert the bolt into the connecting hole and thread the nut. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the flange and the limiting hole used in conjunction with each other in the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the baffle and the limiting column used in conjunction with each other in the utility model.

[0018] In the figure: 1. flange; 2. connecting mechanism; 201. first thread groove; 202. second thread groove; 203. baffle; 204. limiting hole; 205. limiting column; 206. connecting hole; 207. bolt; 208. nut; 3. sealing mechanism; 301. first placement groove; 302. first sealing ring; 303. second placement groove; 304. second sealing ring; 305. sealing gasket. DETAILED DESCRIPTION

[0019] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides a technical solution: a two-way connection structure of a flange, comprising a flange 1, a connection mechanism 2 is arranged on one side surface of the flange 1, and a sealing mechanism 3 is arranged on one side surface of the flange 1;

[0021] The connecting mechanism 2 includes a first thread groove 201, a second thread groove 202, a baffle 203, a limiting hole 204, a limiting column 205, a connecting hole 206, a bolt 207 and a nut 208. The upper surface of the flange 1 is provided with a first thread groove 201, the lower surface of the flange 1 is provided with a second thread groove 202, the inner surface of the flange 1 is fixedly connected with a baffle 203, the upper surface of the flange 1 is provided with a limiting hole 204, the lower surface of the flange 1 is fixedly connected with a limiting column 205, the upper surface of the flange 1 is provided with a connecting hole 206, the inner surface of the connecting hole 206 is penetrated and connected with a bolt 207, the outer surface of the bolt 207 is threadedly connected with a nut 208, and the first thread groove 201 is provided. , the second thread groove 202, the baffle 203, the limiting hole 204, the limiting column 205, the connecting hole 206, the bolt 207 and the nut 208 are arranged. When the flange 1 needs to be used, first determine the thread direction of the pipeline, and then connect it to the pipeline through the first thread groove 201 or the second thread groove 202. Through the arrangement of the baffle 203, the connected pipeline can be limited. When the two flanges 1 need to be spliced ​​together, first insert the limiting column 205 into the limiting hole 204. At this time, the limiting column 205 and the limiting hole 204 can position the two flanges 1. Then insert the bolt 207 into the connecting hole 206 and then thread the nut 208.

[0022] Furthermore, the limiting holes 204 are evenly spaced on the upper surface of the flange 1, and the limiting posts 205 are evenly spaced on the lower surface of the flange 1. The setting of the limiting holes 204 can play a positioning role during the splicing process of the two flanges 1.

[0023] Furthermore, the outer wall size of the limiting column 205 is consistent with the inner wall size of the limiting column 205, and the connecting holes 206 are evenly spaced on the surface of one side of the flange 1. The setting of the connecting holes 206 can better install the bolts 207.

[0024] Furthermore, the bolts 207 are evenly spaced and distributed on one side surface of the flange 1 , and the bolts 207 and the nuts 208 form a threaded structure. By setting the bolts 207 , the two flanges 1 can be better fixed together.

[0025] Furthermore, the sealing mechanism 3 includes a first placement groove 301, a first sealing ring 302, a second placement groove 303, a second sealing ring 304 and a sealing gasket 305. The first placement groove 301 is provided on one side surface of the baffle 203, and the first sealing ring 302 is tightly fitted on the inner side surface of the first placement groove 301. The second placement groove 303 is provided on one side surface of the flange 1, and the second sealing ring 304 is tightly fitted on the inner side surface of the second placement groove 303. The sealing gasket 305 is installed on one side surface of the flange 1. The groove 301, the first sealing ring 302, the second placement groove 303, the second sealing ring 304 and the sealing gasket 305 are arranged. When the flange 1 needs to be sealed, the connection point between the flange 1 and the pipeline can be sealed by firstly arranging the first sealing ring 302 inside the first placement groove 301. By arranging the second sealing ring 304 inside the second placement groove 303, the connection point of the two flanges 1 can be sealed. By arranging the sealing gasket 305, the two flanges 1 can be made tighter during the connection process.

[0026] Furthermore, the inner wall size of the first placement groove 301 is consistent with the outer wall size of the first sealing ring 302. The material of the first sealing ring 302 is rubber. Through the setting of the first placement groove 301, the first sealing ring 302 can be better installed.

[0027] Furthermore, the inner wall size of the second placement groove 303 is consistent with the outer wall size of the second sealing ring 304. The second sealing ring 304 is made of rubber. Through the provision of the second placement groove 303, the second sealing ring 304 can be better installed.

[0028] Working principle: When the flange 1 needs to be used, first determine the thread direction of the pipeline, and then connect it to the pipeline through the first thread groove 201 or the second thread groove 202. The baffle 203 can be set to limit the connected pipeline. When the two flanges 1 need to be spliced ​​together, first insert the limit column 205 into the limit hole 204. At this time, the limit column 205 and the limit hole 204 can position the two flanges 1. Then insert the bolt 207 into the connecting hole 206 and then thread the nut 208. When the flange 1 needs to be sealed, first, the first sealing ring 302 in the first placement groove 301 can be set to seal the connection point between the flange 1 and the pipeline. By setting the second sealing ring 304 in the second placement groove 303, the connection point of the two flanges 1 can be sealed. By setting the sealing gasket 305, the two flanges 1 can be made tighter during the connection process.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A two-way connection structure of a flange, comprising a flange (1), characterized in that: A connection mechanism (2) is provided on one side surface of the flange (1), and a sealing mechanism (3) is provided on one side surface of the flange (1); The connecting mechanism (2) comprises a first thread groove (201), a second thread groove (202), a baffle (203), a limiting hole (204), a limiting column (205), a connecting hole (206), a bolt (207) and a nut (208); the upper surface of the flange (1) is provided with a first thread groove (201); the lower surface of the flange (1) is provided with a second thread groove (202); the inner surface of the flange (1) is fixedly connected with a baffle (203); the upper surface of the flange (1) is provided with a limiting hole (204); the lower surface of the flange (1) is fixedly connected with a limiting column (205); the upper surface of the flange (1) is provided with a connecting hole (206); the inner surface of the connecting hole (206) is penetrated by a bolt (207); the outer surface of the bolt (207) is threadedly connected with a nut (208).

2. A two-way connection structure of a flange according to claim 1, characterized in that: The limiting holes (204) are arranged at equal intervals on the upper surface of the flange (1), and the limiting columns (205) are distributed at equal intervals on the lower surface of the flange (1).

3. The two-way connection structure of a flange according to claim 1, characterized in that: The outer wall size of the limiting column (205) matches the inner wall size of the limiting column (205), and the connecting holes (206) are arranged at equal intervals on the surface of one side of the flange (1).

4. The two-way connection structure of a flange according to claim 1, characterized in that: The bolts (207) are distributed at equal intervals on a surface of one side of the flange (1), and the bolts (207) and nuts (208) form a threaded structure.

5. The two-way connection structure of a flange according to claim 1, characterized in that: The sealing mechanism (3) comprises a first placement groove (301), a first sealing ring (302), a second placement groove (303), a second sealing ring (304) and a sealing gasket (305); a first placement groove (301) is provided on one side surface of the baffle (203); the first sealing ring (302) is tightly fitted on the inner surface of the first placement groove (301); a second placement groove (303) is provided on one side surface of the flange (1); the second sealing ring (304) is tightly fitted on the inner surface of the second placement groove (303); and a sealing gasket (305) is installed on one side surface of the flange (1).

6. A two-way connection structure of a flange according to claim 5, characterized in that: The inner wall size of the first placement groove (301) matches the outer wall size of the first sealing ring (302), and the material of the first sealing ring (302) is rubber.

7. The two-way connection structure of a flange according to claim 5, characterized in that: The inner wall size of the second placement groove (303) matches the outer wall size of the second sealing ring (304), and the material of the second sealing ring (304) is rubber.

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