CN218818774U - A flange fastening device - Google Patents

Abstract

The utility model discloses a flange fastening device, which relates to the technical field of flanges and comprises a flange one and a second flange. The outer surfaces of the first flange and the second flange are provided with a fastening mechanism. The fixed sleeve and the lower fixed sleeve, the outer surface of the upper fixed sleeve is fixedly connected with two sets of symmetrical upper fixed triangular plates, the outer surface of the lower fixed sleeve is fixedly connected with two sets of symmetrical lower fixed triangular plates, and the bottom surface of the lower fixed triangular plate is provided with bolt one. Through the butt fit between the upper fixing sleeve and the lower fixing sleeve, the upper fixing plate and the lower fixing plate are fixed with bolt 2 and nut 2 for the first step, and then the upper fixing triangular plate and the lower fixing triangular plate are fixed with bolt 1 and nuts A pair of upper and lower fixing sleeves are fixed at the four corners, which can effectively fasten and fix the flange as a whole, and prevent the flange connection screws from rusting and breaking in a humid or saline-alkali environment, causing the flange Leakage at connection or disconnection of two flanges.

Description

A flange fastening device

technical field

The utility model relates to the technical field of flanges, in particular to a flange fastening device.

Background technique

Flanges are also called flange flanges or flanges. Flanges are parts that are connected to each other between shafts. They are used for connection between pipe ends. They are also useful for flanges on the inlet and outlet of equipment. The connection between equipment, such as reducer flange, flange connection or flange joint, refers to the detachable connection of flange, Gasket and bolt as a group of combined sealing structure.

Pipe flange refers to the flange used for piping in the pipeline installation. It is used on the equipment to refer to the inlet and outlet flanges of the equipment. There are holes on the flange, and the bolts make the two flanges tightly connected. For this connection method, the connection between the two flanges is often disconnected due to corrosion and damage of the flange connection bolts, which makes the flanges unusable; for this reason, we provide a flange fastening device to solve the above problems.

Utility model content

The purpose of this utility model is to make up for the deficiencies of the prior art, and to provide a flange fastening device, which can effectively ensure the stability of the connection between the two flanges and avoid accidental leakage between the two flanges. leakage or disconnection purposes.

In order to achieve the above purpose, the utility model provides the following technical solutions: a flange fastening device, including flange one and flange two, the outer surfaces of flange one and flange two are provided with a fastening mechanism, and the fastening mechanism Including upper and lower fixing sleeves.

The outer surface of the upper fixing sleeve is fixedly connected with two sets of symmetrical upper fixing triangular plates, and the outer surface of the lower fixing sleeve is fixedly connected with two sets of symmetrical lower fixing triangular plates. It runs through the lower fixing triangular plate and the upper fixing triangular plate in turn and extends to the upper part of the upper fixing triangular plate, and the outer surface of the top end of each bolt 1 is threaded with a nut 1 .

The outer surface of the upper fixing sleeve is fixedly connected with two symmetrical upper fixing plates, and the outer surface of the lower fixing sleeve is fixedly connected with two symmetrical lower fixing plates, and the lower part of each lower fixing plate is provided with two bolts. The tops of the two bolts pass through the lower fixing plate and the upper fixing plate in turn and extend to the top of the upper fixing plate, and the tops of each bolt two are threaded with nuts two.

Further, the inner wall of the lower fixing sleeve is fixedly connected with the gasket of the lower fixing sleeve, and the inner wall of the upper fixing sleeve is fixedly connected with the gasket of the upper fixing sleeve.

Further, the inner wall of the lower fixing sleeve is fixedly connected with a lower pipeline sealing gasket, and the inner wall of the upper fixing sleeve is fixedly connected with an upper pipeline sealing gasket.

Further, the upper surface of the lower fixed sleeve is provided with a fixed sleeve groove, and the bottom surface of the upper fixed sleeve is fixedly connected with a fixed sleeve groove sealing gasket.

Further, the sealing gasket of the groove of the fixing sleeve is adapted to the groove of the fixing sleeve, and the sealing gasket of the groove of the fixing sleeve corresponds to the position of the groove of the fixing sleeve.

Further, an operation indication plate is fixedly connected to the upper surface of the upper fixing sleeve, and the operation indication plate is rectangular.

Further, the position of the upper fixed triangular plate corresponds to the position of the lower fixed triangular plate, and the position of the upper fixed plate corresponds to the position of the lower fixed plate.

Compared with the prior art, the flange fastening device has the following beneficial effects:

1. The utility model uses bolt two and nut two to fix the first step through the upper fixing plate and the lower fixing plate through the butt joint between the upper fixing sleeve and the lower fixing sleeve, and then uses bolts through the upper fixing triangular plate and the lower fixing triangular plate Yihe nuts fix the four corners of the upper fixing sleeve and the lower fixing sleeve, which can effectively fasten and fix the flange as a whole, and prevent the flange connection screws from rusting and breaking in a humid or saline-alkali environment. Leakage at the flange connection or disconnection of the two flanges.

2. The utility model can effectively fix flange 1 and flange 2 through the lower fixing sleeve gasket and the upper fixing sleeve gasket, avoiding the sliding of flange 1 and flange 2, and at the same time increasing flange 1 and flange 2. The sealing effect of the flange two joints can avoid leakage. Through the lower pipe sealing gasket and the upper pipe sealing gasket, the flange pipe joint can be effectively sealed to avoid leakage at the joint between the fastening mechanism and the flange pipe. The fixing sleeve groove and the fixing sleeve groove sealing gasket can effectively increase the sealing effect between the lower fixing sleeve and the upper fixing sleeve, further preventing leakage.

Description of drawings

Fig. 1 is a front view of the utility model;

Fig. 2 is a front sectional view of the utility model;

Fig. 3 is a sectional view of the lower fixing sleeve of the present invention;

Fig. 4 is an enlarged view of the structure at A in Fig. 3 of the present utility model.

Among the figure: 1, flange one; 2, fastening mechanism; 201, lower fixed sleeve; 202, upper fixed sleeve; 203, nut one; 204, lower fixed triangular plate; 205, upper fixed triangular plate; 206, bolt two; 207 , Nut two; 208, lower fixing plate; 209, upper fixing plate; 2010, bolt one; 2011, lower fixing sleeve gasket; 2012, lower pipeline sealing gasket; 2013, upper pipeline sealing gasket; 2014, upper fixing sleeve gasket ; 2015, fixed sleeve groove sealing gasket; 2016, fixed sleeve groove; 3, operation indicator board; 4, flange two.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

As described in the background technology, the traditional flange connection is often damaged due to corrosion of the flange connection bolts, resulting in disconnection between the two flanges, making the flanges unusable. For this reason, this embodiment provides a flange fastening The device achieves the purpose of effectively ensuring the stability of the connection between the two flanges and avoiding accidental leakage or disconnection between the two flanges.

Example 1:

Referring to Fig. 2, this embodiment proposes a flange fastening device, including flange one 1 and flange two 4, flange one 1 and flange two 4 are butted and fixed by screws, flange one 1 and flange two The outer surface of 4 is covered with a fastening mechanism 2, and the fastening mechanism 2 includes an upper fixing sleeve 202 and a lower fixing sleeve 201,

The outer surface of the upper fixing sleeve 202 is fixedly connected with two groups of symmetrical upper fixing triangles 205, and the outer surface of the lower fixing sleeve 201 is fixedly connected with two groups of symmetrical lower fixing triangles 204, and the bottom surface of the lower fixing triangle 204 is provided with a bolt. 2010, the top of the bolt one 2010 runs through the lower fixing triangle 204 and the upper fixing triangle 205 in turn and extends to the upper part of the upper fixing triangle 205, and the outer surface of the top of each bolt one 2010 is screwed with a nut one 203.

The outer surface of the upper fixing sleeve 202 is fixedly connected with two symmetrical upper fixing plates 209, and the outer surface of the lower fixing sleeve 201 is fixedly connected with two symmetrical lower fixing plates 208, and the bottom of each lower fixing plate 208 is provided with Bolt two 206 are arranged, and the top of bolt two 206 runs through lower fixing plate 208 and upper fixing plate 209 successively and extends to the top of upper fixing plate 209, and the top of each bolt two 206 is all threaded with nut two 207.

Through the butt fit between the upper fixing sleeve 202 and the lower fixing sleeve 201, the upper fixing plate 209 and the lower fixing plate 208 are fixed by bolts 206 and nuts 207 for the first step, and then the upper fixing triangular plate 205 and the lower fixing triangular plate 204 uses bolt 1 2010 and nut 1 203 to fix the four corners of the upper fixing sleeve 202 and the lower fixing sleeve 201, so that the flange can be effectively fastened and fixed as a whole, and the flange connection screws are prevented from rusting and breaking, causing Leakage at flange connection or disconnection of two flanges.

Example 2:

The scheme in embodiment 1 is further introduced below in conjunction with specific working methods, see the following description for details:

Referring to Fig. 2, as a preferred embodiment, on the basis of the above method, further, the inner wall of the lower fixing sleeve 201 is fixedly connected with the lower fixing sleeve gasket 2011, and the inner wall of the upper fixing sleeve 202 is fixedly connected with the upper fixing sleeve gasket In 2014, flange one 1 and flange two 4 can be effectively fixed to prevent flange one 1 and flange two 4 from sliding, and at the same time increase the sealing effect of the joint between flange one 1 and flange two 4.

The inner wall of the lower fixing sleeve 201 is fixedly connected with the lower pipeline sealing gasket 2012, and the inner wall of the upper fixing sleeve 202 is fixedly connected with the upper pipeline sealing gasket 2013, which can effectively seal the connection between the flange and the pipeline, and prevent the fastening mechanism 2 from connecting with the flange. There is a leak at the pipe connection.

The upper surface of the lower fixed sleeve 201 is provided with a fixed sleeve groove 2016, and the bottom surface of the upper fixed sleeve 202 is fixedly connected with a fixed sleeve groove sealing gasket 2015, which can effectively increase the sealing effect between the lower fixed sleeve 201 and the upper fixed sleeve 202 , to further avoid leakage.

Example 3:

The scheme in embodiment 1 or 2 is further introduced below in combination with specific working methods, see the following description for details:

Referring to Fig. 3, as a preferred embodiment, on the basis of the above method, further, the fixed sleeve groove sealing gasket 2015 is adapted to the fixed sleeve groove 2016, and the fixed sleeve groove sealing gasket 2015 is matched with the fixed sleeve groove The positions of 2016 are corresponding, which is convenient for the fixing sleeve groove sealing gasket 2015 to be connected with the fixing sleeve groove 2016, which is convenient for installation.

The upper surface of the upper fixing sleeve 202 is fixedly connected with an operation indication plate 3, which is in the shape of a rectangle, which can effectively remind the staff to operate in accordance with the correct operation method, and avoid damage to the flange fastening device due to improper operation .

The upper fixed triangular plate 205 corresponds to the lower fixed triangular plate 204, and the upper fixed plate 209 corresponds to the lower fixed plate 208, so that the overall structure is more compact and the overall use effect is improved.

Working principle: First, connect the upper fixing sleeve 202 with the lower fixing sleeve 201, insert the fixing sleeve groove sealing gasket 2015 into the fixing sleeve groove 2016, and fix the upper fixing triangular plate 205 and the lower fixing sleeve through bolt 1 2010 and nut 1 203 The triangular plate 204 is fixed, and then the upper fixing plate 209 and the lower fixing plate 208 are fixed by the second bolt 206 and the second nut 207 to complete the installation of the fastening device, and the lower pipeline sealing gasket 2012 and the upper pipeline sealing gasket 2013 can effectively Seal the joint of the flange pipe to avoid leakage at the joint between the fastening mechanism 2 and the flange pipe. The whole can effectively fasten and fix the flange and prevent the flange connection screw from being used in a humid or saline-alkali environment. Rust breaks, causing a leak at the flange joint or two flanges disconnected.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (7)

1. A flange fastening device comprises a first flange (1) and a second flange (4), and is characterized in that: the outer surfaces of the first flange (1) and the second flange (4) are sleeved with fastening mechanisms (2), and each fastening mechanism (2) comprises an upper fixing sleeve (202) and a lower fixing sleeve (201);

the outer surface of the upper fixing sleeve (202) is fixedly connected with two groups of upper fixing triangular plates (205) which are symmetrical relatively, the outer surface of the lower fixing sleeve (201) is fixedly connected with two groups of lower fixing triangular plates (204) which are symmetrical relatively, the bottom surface of each lower fixing triangular plate (204) is provided with a first bolt (2010), the top end of each first bolt (2010) sequentially penetrates through the lower fixing triangular plate (204) and the upper fixing triangular plate (205) and extends to the upper part of the upper fixing triangular plate (205), and the outer surface of the top end of each first bolt (2010) is in threaded connection with a first nut (203);

the outer fixed surface of going up fixed cover (202) is connected with two symmetrical upper fixed plate (209), the outer fixed surface of lower fixed cover (201) is connected with two symmetrical bottom plate (208), the lower part of every bottom plate (208) all is equipped with bolt two (206), the top of bolt two (206) runs through bottom plate (208) and upper fixed plate (209) in proper order and extends to the upper portion of upper fixed plate (209), the equal threaded connection in top of every bolt two (206) has nut two (207).

2. A flange fastening apparatus according to claim 1, wherein: the inner wall fixedly connected with of fixed cover (201) down fixes cover gasket (2011), goes up the inner wall fixedly connected with of fixed cover (202) and goes up fixed cover gasket (2014).

3. A flange fastening apparatus according to claim 1, wherein: the inner wall of the lower fixing sleeve (201) is fixedly connected with a lower pipeline sealing washer (2012), and the inner wall of the upper fixing sleeve (202) is fixedly connected with an upper pipeline sealing washer (2013).

4. A flange fastening apparatus according to claim 1, wherein: the upper surface of fixed cover (201) has seted up fixed cover groove (2016), and the bottom surface fixedly connected with fixed cover recess seal gasket (2015) of going up fixed cover (202).

5. A flange fastening device according to claim 4, wherein: the fixed sleeve groove sealing gasket (2015) is matched with the fixed sleeve groove (2016), and the position of the fixed sleeve groove sealing gasket (2015) corresponds to the position of the fixed sleeve groove (2016).

6. A flange fastening apparatus according to claim 1, wherein: the upper surface of the upper fixing sleeve (202) is fixedly connected with an operation indicating plate (3), and the operation indicating plate (3) is rectangular.

7. A flange fastening apparatus according to claim 1, wherein: the upper fixing triangular plate (205) corresponds to the lower fixing triangular plate (204), and the upper fixing plate (209) corresponds to the lower fixing plate (208).

Images