CN218818774U

CN218818774U - Flange fastening device

Info

Publication number: CN218818774U
Application number: CN202223363956.7U
Authority: CN
Inventors: 王彦琦; 隋爽; 宋晓胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-04-07
Anticipated expiration: 2032-12-14

Abstract

The utility model discloses a flange fastening device relates to flange technical field, including flange one and flange two, the surface cover of flange one and flange two is equipped with fastening device, and fastening device includes fixed cover and lower fixed cover, goes up the fixed surface of fixed cover and is connected with two sets of symmetrical last fixed set-square, and the fixed surface of fixed cover is connected with two sets of symmetrical lower fixed set-square down, and the bottom surface of lower fixed set-square is equipped with bolt one. It can be through the butt joint cooperation between last fixed cover and the lower fixed cover, adopt bolt two and nut two to carry out first step fixedly through upper fixed plate and bottom plate, then utilize bolt one and nut a pair of fixed cover and four edges of lower fixed cover to fix through last fixed set-square and lower fixed set-square, wholly can effectually fasten and fix the flange, avoid flange joint screw rust and break in moist or saline and alkaline service environment, lead to flange joint department to take place to leak or two flange disconnection.

Description

Flange fastening device

Technical Field

The utility model relates to a flange technical field specifically is a flange fastening device.

Background

The flange is also called flange disc or flange, the flange is a part for connecting shafts, is used for connecting pipe ends, is also used for connecting an inlet and an outlet of equipment, is used for connecting two pieces of equipment, such as a speed reducer flange, flange connection or a flange joint, and means a detachable connection which is formed by connecting a flange, a gasket and a bolt together to form a group of combined sealing structure.

The pipeline flange is a flange for piping in a pipeline device, the pipeline flange is used on equipment and is an inlet flange and an outlet flange of the equipment, holes are formed in the flanges, the two flanges are tightly connected through bolts, and the flanges are sealed through gaskets; to this end, we provide a flange fastening device that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an aim at is exactly in order to compensate prior art not enough, provides a flange fastening device, has reached the stability that can two flange joint of effectual assurance, avoids between two flanges because of the unexpected purpose that takes place seepage or disconnection.

In order to achieve the above object, the utility model provides a following technical scheme: a flange fastening device comprises a first flange and a second flange, wherein a fastening mechanism is sleeved on the outer surfaces of the first flange and the second flange and comprises an upper fixing sleeve and a lower fixing sleeve.

Go up the fixed set-square on the fixed cover's outer fixed surface is connected with two sets of symmetries, and the fixed set-square down of outer fixed cover's outer fixed surface is connected with two sets of symmetries, and the bottom surface of fixed set-square down is equipped with bolt one, and the top of bolt one runs through fixed set-square down and last fixed set-square in proper order and extends to the upper portion of fixed set-square, and the equal threaded connection of surface on every bolt top has nut one.

The outer surface of the upper fixing sleeve is fixedly connected with two symmetrical upper fixing plates, the outer surface of the lower fixing sleeve is fixedly connected with two symmetrical lower fixing plates, the lower portion of each lower fixing plate is provided with a second bolt, the top end of the second bolt penetrates through the lower fixing plates and the upper fixing plates in sequence and extends to the upper portion of the upper fixing plate, and the top end of the second bolt is connected with a second nut in a threaded mode.

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

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

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

Furthermore, the fixed sleeve groove sealing gasket is matched with the fixed sleeve groove, and the fixed sleeve groove sealing gasket corresponds to the fixed sleeve groove.

Furthermore, the upper surface of the upper fixing sleeve is fixedly connected with an operation indicating plate, and the operation indicating plate is rectangular.

Furthermore, the upper fixed triangular plate corresponds to the lower fixed triangular plate in position, and the upper fixed plate corresponds to the lower fixed plate in position.

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

1. the utility model discloses an go up the butt joint cooperation between fixed cover and the lower fixed cover, adopt bolt two and nut two to carry out first step fixedly through upper fixed plate and bottom plate, then utilize bolt one and nut a pair of fixed cover and four edges of fixed cover down to fix through last fixed set-square and lower fixed set-square, wholly can effectually fasten and fix the flange, avoid flange joint screw to rust the fracture in moist or saline and alkaline service environment, lead to flange joint to take place to leak or two flange disconnection.

2. The utility model discloses a fixed cover gasket and last fixed cover gasket down, can effectually fix flange one and flange two, avoid flange one and two slides of flange, can increase the sealed effect of flange one and flange two junctions simultaneously again, avoid taking place to leak, through lower pipeline seal ring and last pipeline seal ring, can effectually seal flange pipeline junction, avoid fastening device and flange pipeline junction to take place to leak, can effectual increase down fixed cover and the sealed effect between the fixed cover through fixed cover groove and fixed cover groove seal gasket, further avoid taking place to leak.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a cross-sectional view of the lower fixing sleeve of the present invention;

fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.

In the figure: 1. a first flange; 2. a fastening mechanism; 201. a lower fixing sleeve; 202. fixing a sleeve; 203. a first nut; 204. a lower fixed triangle; 205. a set square is fixed on the upper part; 206. a second bolt; 207. a second nut; 208. a lower fixing plate; 209. an upper fixing plate; 2010. a first bolt; 2011. a lower fixed sleeve gasket; 2012. a lower pipe seal gasket; 2013. an upper pipe seal gasket; 2014. fixing a sleeve gasket; 2015. a sealing gasket of a groove of the fixed sleeve; 2016. a fixed sleeve groove; 3. operating an indicator panel; 4. and a second flange.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As described in the background art, the conventional flange connection often causes disconnection between two flanges due to corrosion damage of the flange connection bolts, and the flanges cannot be used, and this embodiment provides a flange fastening device which can effectively ensure the stability of connection between two flanges and avoid leakage or disconnection between two flanges due to accidents.

Example 1:

referring to fig. 2, the present embodiment provides a flange fastening device, which includes a first flange 1 and a second flange 4, the first flange 1 and the second flange 4 are fixed by screws in a butt joint manner, a fastening mechanism 2 is sleeved on outer surfaces of the first flange 1 and the second flange 4, 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 sets of symmetrical upper fixing triangular plates 205, the outer surface of the lower fixing sleeve 201 is fixedly connected with two sets of symmetrical lower fixing triangular plates 204, the bottom surface of the lower fixing triangular plate 204 is provided with a first bolt 2010, the top end of the first bolt 2010 sequentially penetrates through the lower fixing triangular plate 204 and the upper fixing triangular plate 205 and extends to the upper portion of the upper fixing triangular plate 205, and the outer surface of the top end of each first bolt 2010 is connected with a first nut 203 in a threaded manner.

The outer surface of the upper fixing sleeve 202 is fixedly connected with two symmetrical upper fixing plates 209, the outer surface of the lower fixing sleeve 201 is fixedly connected with two symmetrical lower fixing plates 208, the lower part of each lower fixing plate 208 is provided with a second bolt 206, the top ends of the second bolts 206 sequentially penetrate through the lower fixing plates 208 and the upper fixing plates 209 and extend to the upper parts of the upper fixing plates 209, and the top ends of the second bolts 206 are in threaded connection with a second nut 207.

Through the butt joint cooperation between last fixed cover 202 and the lower fixed cover 201, adopt bolt two 206 and nut two 207 to carry out first step fixedly through upper fixed plate 209 and bottom plate 208, then utilize bolt 2010 and nut one 203 to fix fixed cover 202 and four edges of lower fixed cover 201 through last fixed set square 205 and bottom fixed set square 204, whole can be effectual fasten and fix the flange, avoid flange joint screw rust and fracture, lead to flange joint department to take place to leak or two flange disconnection.

Example 2:

the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:

referring to fig. 2, as a preferred embodiment, on the basis of the above manner, further, a lower fixing sleeve gasket 2011 is fixedly connected to an inner wall of the lower fixing sleeve 201, and an upper fixing sleeve gasket 2014 is fixedly connected to an inner wall of the upper fixing sleeve 202, so that the first flange 1 and the second flange 4 can be effectively fixed, the first flange 1 and the second flange 4 are prevented from sliding, and meanwhile, the sealing effect at the joint of the first flange 1 and the second flange 4 can be increased.

The inner wall fixedly connected with of fixed cover 201 is pipe seal ring 2012 down, and the inner wall fixedly connected with of last fixed cover 202 is pipe seal ring 2013, can effectually seal the flange pipe connection department, avoids fastening device 2 and flange pipe connection department to take place to leak.

Fixed cover groove 2016 has been seted up to the upper surface of fixed cover 201 down, goes up fixed cover groove seal gasket 2015 of the bottom surface fixedly connected with of fixed cover 202, can effectual increase down fixed cover 201 and last fixed cover 202 between sealed effect, further avoid taking place to leak.

Example 3:

the scheme of example 1 or 2 is further described below in conjunction with specific working modes, which are described in detail below:

referring to fig. 3, as a preferred embodiment, in the above manner, further, 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, so that the fixed sleeve groove sealing gasket 2015 is conveniently connected with the fixed sleeve groove 2016, and installation is facilitated.

Go up the last fixed surface of fixed cover 202 and be connected with operation indicator board 3, operation indicator board 3 is rectangular form, can effectually remind the staff to operate according to correct operation method, avoids leading to flange fastener's damage because of the misoperation.

The upper fixing triangular plate 205 corresponds to the lower fixing triangular plate 204 in position, and the upper fixing plate 209 corresponds to the lower fixing plate 208 in position, so that the whole structure is more compact, and the whole using effect is improved.

The working principle is as follows: firstly, the upper fixing sleeve 202 is butted with the lower fixing sleeve 201, a fixing sleeve groove sealing gasket 2015 is inserted into the fixing sleeve groove 2016, the upper fixing triangular plate 205 and the lower fixing triangular plate 204 are fixed through the first bolt 2010 and the first nut 203, then the upper fixing plate 209 and the lower fixing plate 208 are fixed through the second bolt 206 and the second nut 207, the installation of a fastening device is completed, the flange pipeline joint can be effectively sealed through the lower pipeline sealing washer 2012 and the upper pipeline sealing washer 2013, the leakage of the fastening mechanism 2 and the flange pipeline joint is avoided, the whole flange can be effectively fastened and fixed, the rusting and the fracture of a flange connecting screw in a damp or saline-alkaline use environment are avoided, and the flange joint is leaked or disconnected with two flanges.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

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).