CN216692564U

CN216692564U - Corrosion-resistant mounting flange

Info

Publication number: CN216692564U
Application number: CN202122948959.6U
Authority: CN
Inventors: 陈建
Original assignee: Chongqing Dajian Machinery Co ltd
Current assignee: Chongqing Dajian Machinery Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-06-07
Anticipated expiration: 2031-11-29

Abstract

The utility model provides a corrosion-resistant mounting flange, which relates to the technical field of connecting pieces and comprises a first flange plate and a second flange plate, wherein the surfaces of the first flange plate and the second flange plate are provided with upper protective shells, the bottom of each upper protective shell is provided with a lower protective shell, the upper protective shells are movably connected with the lower protective shells, sealing sleeves are nested on the inner sides of the upper protective shells and the lower protective shells, and the sealing sleeves are formed by thermoplastic molding of rubber. Protective housing and lower protective housing are equipped with in the outside of first ring flange and second ring flange, are equipped with the seal cover moreover between upper protective housing, lower protective housing and first ring flange, the second ring flange, after first ring flange and second ring flange installed, upper protective housing and lower protective housing separated first ring flange, second ring flange and external environment, have avoided the flange to suffer the corruption, have increased the life of flange.

Description

Corrosion-resistant mounting flange

Technical Field

The utility model relates to the technical field of connecting pieces, in particular to a corrosion-resistant mounting flange.

Background

A flange, also known as a flange collar or flange. The flange is a part for connecting the shafts and is used for connecting pipe ends; there are also flanges on the inlet and outlet of the equipment, which are used for connecting two pieces of equipment, and the installation of precision mechanical parts is very convenient. The flange connection or flange joint is a detachable connection which is formed by connecting a flange, a gasket and a bolt with each other to form a group of combined sealing structures. In the use process of the existing flange, after screw holes on two flanges are required to be aligned, bolts are screwed one by using tools in a manual mode, certain time is consumed for aligning the screw holes and avoiding the bolts from being inclined in the installation process, and in addition, due to the fact that the number of the bolts on the flange is large, if the bolts are screwed one by one, the installation efficiency is not ideal enough.

The patent of being CN210484265U according to the patent discloses a corrosion-resistant stainless steel flange convenient to sealed pad of installation, which comprises a body, the standing groove has been seted up in the front of body, the mounting groove has been seted up at the border of body, be linked together through the intercommunicating pore between standing groove and the mounting groove, the inside activity of intercommunicating pore has been run through there is the movable rod, the outside activity of movable rod has been run through there is the spacing ring, the spacing ring is fixed mutually with the pore wall of intercommunicating pore, the outside of movable rod is fixed with and keeps off the ring, the spring has been cup jointed in the activity in the outside of movable rod, the inside of mounting groove is equipped with the movable ring, the outside screw thread of movable ring has been run through there is the shank of bolt. The anti-corrosion stainless steel flange can ensure that the sealing gasket can be uniformly stressed and fixed on the body during installation, thereby facilitating the installation of the sealing gasket and improving the installation efficiency.

Most of the existing mounting flanges are exposed outside after being mounted, and the flanges are easily corroded by the external environment, so that the service life of the flanges is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a corrosion-resistant mounting flange.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a corrosion-resistant mounting flange, includes first ring flange and second ring flange, the surface of first ring flange and second ring flange is equipped with the protective housing, the bottom of going up the protective housing is equipped with the lower protective housing, and goes up protective housing and lower protective housing swing joint, the inboard nestification of going up protective housing and lower protective housing has the seal cover, the seal cover adopts the rubber heat to mould and forms.

Preferably, the fixed surface of first ring flange has the holding ring, the constant head tank has been seted up on the surface of second ring flange, and the holding ring is connected with the constant head tank block, the constant head tank internal fixation has the sealing ring.

Preferably, the array is equipped with connecting bolt between first ring flange and the second ring flange, and connecting bolt runs through first ring flange, second ring flange, connecting bolt's one end is equipped with coupling nut, and coupling nut and coupling bolt threaded connection.

Preferably, the limiting groove is formed in the inner side array of the upper protective shell, the limiting groove is of an axial symmetry structure relative to the upper protective shell, the limiting groove is formed in the inner side array of the lower protective shell, the limiting groove is of an axial symmetry structure relative to the lower protective shell, and the limiting groove corresponds to the connecting bolt one to one.

Preferably, the fixed plates are fixed on the surfaces of the first flange plate and the second flange plate, fixing bolts are arranged between the fixed plates and penetrate through the fixed plates, and fixing nuts are arranged at one ends of the fixing bolts and are in threaded connection with the fixing bolts.

Preferably, the sealing ring is formed by thermoplastic rubber, and the diameter of the sealing ring is larger than the inner diameter of the first flange plate.

Advantageous effects

According to the utility model, the upper protective shell and the lower protective shell are arranged outside the first flange plate and the second flange plate, the sealing sleeves are arranged between the upper protective shell and the lower protective shell and between the first flange plate and the second flange plate, and after the first flange plate and the second flange plate are installed, the first flange plate and the second flange plate are separated from the external environment by the upper protective shell and the lower protective shell, so that the corrosion of the flange is avoided, and the service life of the flange is prolonged.

Drawings

FIG. 1 is an isometric view of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is a top view of an exploded view of the present invention;

fig. 4 is a partial structural view of the present invention.

Illustration of the drawings:

1. an upper protective shell; 2. sealing sleeves; 3. a first flange plate; 4. a lower protective shell; 5. fixing the bolt; 6. a connecting bolt; 7. positioning a groove; 8. a positioning ring; 9. a seal ring; 10. a second flange plate; 11. a connecting nut; 12. a fixing plate; 13. a limiting groove; 14. and (5) fixing the nut.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood, the utility model is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the utility model, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, the corrosion-resistant mounting flange comprises a first flange plate 3 and a second flange plate 10, an upper protective shell 1 is arranged on the surfaces of the first flange plate 3 and the second flange plate 10, a lower protective shell 4 is arranged at the bottom of the upper protective shell 1, the upper protective shell 1 is movably connected with the lower protective shell 4, a sealing sleeve 2 is nested on the inner sides of the upper protective shell 1 and the lower protective shell 4, and the sealing sleeve 2 is formed by thermoplastic rubber. The surface of the first flange plate 3 is fixed with a positioning ring 8, the surface of the second flange plate 10 is provided with a positioning groove 7, the positioning ring 8 is clamped and connected with the positioning groove 7, and a sealing ring 9 is fixed in the positioning groove 7.

Connecting bolts 6 are arranged between the first flange plate 3 and the second flange plate 10 in an array mode, the connecting bolts 6 penetrate through the first flange plate 3 and the second flange plate 10, one end of each connecting bolt 6 is provided with a connecting nut 11, and the connecting nuts 11 are in threaded connection with the connecting bolts 6. The limiting groove 13 is formed in the inner side array of the upper protective shell 1, the limiting groove 13 is in an axial symmetry structure relative to the upper protective shell 1, the limiting groove 13 is formed in the inner side array of the lower protective shell 4, the limiting groove 13 is in an axial symmetry structure relative to the lower protective shell 4, and the limiting groove 13 corresponds to the connecting bolts 6 one to one. Fixed plates 12 are fixed on the surfaces of the first flange plate 3 and the second flange plate 10, fixing bolts 5 are arranged between the fixed plates 12, the fixing bolts 5 penetrate through the fixed plates 12, fixing nuts 14 are arranged at one ends of the fixing bolts 5, and the fixing nuts 14 are in threaded connection with the fixing bolts 5. The sealing ring 9 is made of rubber through thermal molding, and the diameter of the sealing ring 9 is larger than the inner diameter of the first flange plate 3.

The working principle of the utility model is as follows: firstly, fixing a first flange plate 3 and a second flange plate 10 through a connecting bolt 6 and a connecting nut 11, when the fixing is carried out, the positioning ring 8 and the positioning groove 7 are mutually clamped, then the upper protective shell 1 and the lower protective shell 4 are sleeved on the surfaces of the first flange plate 3 and the second flange plate 10 and are fixed through the fixing bolt 5 and the fixing nut 14, the sealing ring 9 and the sealing sleeve 2 are used for ensuring the sealing performance, the upper protective shell 1 and the lower protective shell 4 are arranged outside the first flange plate 3 and the second flange plate 10, moreover, a sealing sleeve 2 is arranged between the upper protective shell 1 and the lower protective shell 4 and the first flange 3 and the second flange 10, after first ring flange 3 and second ring flange 10 installed, first ring flange 3, second ring flange 10 and external environment separate with protective housing 4 down on the protective housing 1, have avoided the flange to suffer the corruption, have increased the life of flange.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A corrosion resistant mounting flange comprising a first flange plate (3) and a second flange plate (10), characterized in that: the surface of first ring flange (3) and second ring flange (10) is equipped with upper protective housing (1), the bottom of upper protective housing (1) is equipped with lower protective housing (4), and upper protective housing (1) and lower protective housing (4) swing joint, the inboard nestification of upper protective housing (1) and lower protective housing (4) has seal cover (2), seal cover (2) adopt rubber heat to mould and form.

2. A corrosion resistant mounting flange as claimed in claim 1, wherein: the surface mounting of first ring flange (3) has holding ring (8), constant head tank (7) have been seted up on the surface of second ring flange (10), and holding ring (8) are connected with constant head tank (7) block, constant head tank (7) internal fixation has sealing ring (9).

3. A corrosion resistant mounting flange as claimed in claim 1, wherein: the array is equipped with connecting bolt (6) between first ring flange (3) and second ring flange (10), and connecting bolt (6) run through first ring flange (3), second ring flange (10), the one end of connecting bolt (6) is equipped with coupling nut (11), and coupling nut (11) and connecting bolt (6) threaded connection.

4. A corrosion resistant mounting flange as claimed in claim 1, wherein: the limiting groove (13) is formed in the inner side array of the upper protective shell (1), the limiting groove (13) is of an axial symmetry structure relative to the upper protective shell (1), the limiting groove (13) is formed in the inner side array of the lower protective shell (4), the limiting groove (13) is of an axial symmetry structure relative to the lower protective shell (4), and the limiting groove (13) corresponds to the connecting bolt (6) in a one-to-one mode.

5. A corrosion resistant mounting flange as claimed in claim 1, wherein: the surface mounting of first ring flange (3) and second ring flange (10) has fixed plate (12), be equipped with fixing bolt (5) between fixed plate (12), and fixing bolt (5) run through fixed plate (12), the one end of fixing bolt (5) is equipped with fixation nut (14), and fixation nut (14) and fixation bolt (5) threaded connection.

6. A corrosion resistant mounting flange as claimed in claim 2, wherein: the sealing ring (9) is formed by thermoplastic rubber, and the diameter of the sealing ring (9) is larger than the inner diameter of the first flange plate (3).