CN214500376U

CN214500376U - High-strength corrosion-resistant flange structure

Info

Publication number: CN214500376U
Application number: CN202120820742.4U
Authority: CN
Inventors: 张嘉辉
Original assignee: Wenzhou Xinda Flange Co ltd
Current assignee: Wenzhou Xinda Flange Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-10-26
Anticipated expiration: 2031-04-21

Abstract

The utility model discloses a high-strength corrosion-resistant flange structure, which comprises a movable threaded sleeve, wherein the movable threaded sleeve is detachably arranged on the inner side of a sealing ring, and the inner diameter of the movable threaded sleeve can be changed according to the diameter of an actually connected object; the extrusion buttons are symmetrically arranged on the outer side of the flange plate main body up and down, and the number of the extrusion buttons is 8 relative to the center of the flange plate main body; anticorrosive paint, even spraying is in the ring flange main part surface, anticorrosive paint can completely cut off ring flange main part and external direct contact. This high strength corrosion-resistant type flange structure adopts neotype structural design, parts ring flange main part and inside thread bush, can change the holistic internal diameter of ring flange through changing inside thread bush to can adapt to the connection of more sizes pipeline, and increase the clutch blocks in the outside of fastening connection hole, increase fixing bolt and frictional force between it, thereby can prevent that fixing bolt from taking place not hard up when the pipeline vibrations.

Description

High-strength corrosion-resistant flange structure

Technical Field

The utility model relates to a flange technical field specifically is a high strength corrosion-resistant type flange structure.

Background

The flange structure is usually used for connection between shafts, between pipe ends and pipe ends or between equipment and equipment, and flange connection is a mechanical connection mode of tightening and sealing by a plurality of bolts after gaskets are arranged between flange plates.

In the prior art, a Chinese patent with an authorization bulletin number of CN212455863U discloses a high-strength forged flange, which relates to the technical field of high-strength flanges and comprises a flange body, large bolts, small bolts, a flange neck chassis, an anti-rust layer and a cushion, wherein the upper end of the flange body is connected with a flange neck, the upper end of the flange neck is provided with a pipe, the flange neck is connected with the pipe through a clamp, a plurality of first bolt holes and second bolt holes are arranged in the flange body, the lower side surface of the flange body is provided with anti-skid lines, the outer side of the flange body is provided with a protective sleeve, the inner side of the flange body is provided with a reinforcing rib, the outer side of the flange body is provided with a protective sleeve, after the flange body is installed, the flange body is subjected to paint dropping and rusting when being collided by external force, the durability of the flange body is reduced, the protective sleeve has the function of protecting the surface of the flange body, avoiding being directly collided by external force, and improving the durability of the flange body, the flange neck chassis can be dismantled the flange body of connection through the little bolt, improves the functionality of the flange body, but the different equipment of connection use.

But in actual use, the inside diameter of flange is unchangeable, and the pipeline that corresponds the diameter needs the flange that corresponds the internal diameter to connect for the flexibility of flange is relatively poor, and is unable multi-purpose, and after utilizing flange joint, vibrations can appear in the pipeline inevitable, and vibrations probably cause fastening bolt not hard up, thereby influences holistic intensity and leakproofness.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high strength corrosion-resistant type flange structure to it can't change and make the relatively poor, fixing bolt of flexibility not hard up because of vibrations to propose the flange internal diameter in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength corrosion-resistant type flange structure, utilizes the ring flange main part to realize the sealing connection between axle and the axle or between pipeline and the pipeline, ring flange main part border position runs through and offers the fastening connection hole that is used for placing fastening screw, the inboard fixed mounting of ring flange main part has the sealing washer that increases its sealed effect, includes:

the movable threaded sleeve is detachably arranged on the inner side of the sealing ring, and the inner diameter of the movable threaded sleeve can be replaced according to the diameter of an actually connected object;

the extrusion buttons are symmetrically arranged on the outer side of the flange plate main body up and down, the number of the extrusion buttons is 8 relative to the center of the flange plate main body, and the positions of the extrusion buttons correspond to the positions of the fastening connecting holes;

anticorrosive paint, even spraying is in the ring flange main part surface, anticorrosive paint can completely cut off ring flange main part and external direct contact.

Preferably, the movable threaded sleeve and the flange main body form a dismounting and mounting structure through a fixed threaded rod, the fixed threaded rod is distributed with 4 fixed threaded rods at equal intervals, and the movable threaded sleeve inside can be correspondingly replaced when facing pipelines with different diameters.

Preferably, the sealing washer inboard evenly is provided with the sliding block, the sliding tray has been seted up to the correspondence of activity thread bush surface.

Preferably, the sliding block pass through the sliding tray with the sliding structure is constituteed to the activity thread bush, just the sliding block with the quantity and the position of sliding tray correspond to each other, through corresponding to the sliding tray on sliding block and the activity thread bush on the sealing washer when installation activity thread bush, can confirm the position of activity thread bush, prevent its skew.

Preferably, both sides are provided with constant head tank and protruding piece respectively about the fastening connecting hole, just protruding piece with the inclination of constant head tank is the same, through putting into the constant head tank inside with protruding piece when butt joint between the ring flange main part of both sides can realize fixing a position rapidly.

Preferably, the outer side of the fastening connecting hole is movably provided with a friction block capable of increasing friction force, the inner side surface of the friction block is fixedly provided with an extrusion spring, and the friction block and the fixing bolt can generate larger friction force by utilizing the extrusion of the extrusion spring, so that the friction block is prevented from loosening.

Preferably, the friction block passes through the extrusion spring with the ring flange main part constitutes elastic structure, and the friction block can follow the movable block initiative and remove, presses the extrusion button to the centre simultaneously and can unclamp the friction between friction block and the fixing bolt for can unclamp between two ring flange main parts.

Compared with the prior art, the beneficial effects of the utility model are that: this high strength corrosion-resistant type flange structure adopts neotype structural design, parts ring flange main part and inside thread bush, can change the holistic internal diameter of ring flange through changing inside thread bush to can adapt to the connection of more sizes pipeline, and increase the clutch blocks in the outside of fastening connection hole, increase fixing bolt and frictional force between it, thereby can prevent that fixing bolt from taking place not hard up when the pipeline vibrations.

1. The cooperation between activity thread bush, fixed threaded rod, sliding block and the sliding tray is used, slides in the sliding tray that corresponds the position on the activity thread bush through the sliding block on the sealing washer for fixed threaded rod's position aligns with the hole position, thereby can utilize fixed threaded rod to fix the activity thread bush, realizes changing different activity thread bushes according to the pipeline size.

2. The cooperation between clutch blocks, extrusion spring, movable block and the extrusion button is used, and after installing fastening bolt, the clutch blocks under the effect of below extrusion spring and between the fastening bolt produce the extrusion force for there is great frictional force between, prevent that fastening bolt from appearing not hard up because of vibrations, when needing the disconnection, press the extrusion button to the centre, the movable block of the inside of messenger drives the friction block and moves down, loosens the friction.

Drawings

Fig. 1 is a schematic top view of the present invention;

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

fig. 3 is a schematic view of a partial front view structure of the flange main body of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a flange main body; 2. fastening the connecting hole; 3. a seal ring; 4. a movable threaded sleeve; 5. a press button; 6. anticorrosive paint; 7. fixing a threaded rod; 8. a slider; 9. a sliding groove; 10. positioning a groove; 11. a raised block; 12. a friction block; 13. a compression spring; 14. a movable block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a high strength corrosion-resistant type flange structure, utilizes flange plate main part 1 to realize the sealing connection between axle and the axle or between pipeline and the pipeline, and 1 border position of flange plate main part runs through the fastening connection hole 2 of offering and being used for placing fastening screw, and 1 inboard fixed mounting of flange plate main part has the sealing washer 3 that increases its sealed effect, includes:

the movable threaded sleeve 4 is detachably arranged on the inner side of the sealing ring 3, and the inner diameter of the movable threaded sleeve 4 can be replaced according to the diameter of an actually connected object;

the extrusion buttons 5 are symmetrically arranged on the outer side of the flange plate main body 1 up and down, 8 extrusion buttons 5 are symmetrically arranged on the center of the flange plate main body 1, and the positions of the extrusion buttons 5 correspond to the positions of the fastening connecting holes 2;

anticorrosive paint 6 is evenly sprayed on the outer surface of the flange main body 1, and the anticorrosive paint 6 can isolate the flange main body 1 from directly contacting with the outside.

The movable threaded sleeve 4 and the flange plate main body 1 are formed to be detached and installed through the fixed threaded rod 7, the fixed threaded rod 7 is distributed with 4 in an equidistant mode, sliding blocks 8 are evenly arranged on the inner side of the sealing ring 3, sliding grooves 9 are correspondingly formed in the outer surface of the movable threaded sleeve 4, the sliding blocks 8 form a sliding structure through the sliding grooves 9 and the movable threaded sleeve 4, and the sliding blocks 8 correspond to the sliding grooves 9 in number and position.

Before using the flange structure, at first according to the concrete diameter of two pipelines that need be connected selects suitable movable thread bush 4, then puts into ring flange main part 1 inside with movable thread bush 4, rotates movable thread bush 4 and makes the sliding tray 9 that its surface was seted up and the sliding block 8 position that ring 3 surface set up in ring flange main part 1 correspond each other when putting into, later slides sliding block 8 to the top of sliding tray 9 and places the completion promptly, twists fixed threaded rod 7 all around afterwards and fixes movable thread bush 4.

Both sides are provided with constant head tank 10 and protruding piece 11 respectively about fastening connecting hole 2, and the inclination of protruding piece 11 and constant head tank 10 is the same, and fastening connecting hole 2 outside movable mounting has the clutch blocks 12 that can increase frictional force, and 12 inboard fixed surface of clutch blocks have extrusion spring 13, and clutch blocks 12 passes through extrusion spring 13 and constitutes elastic construction with ring flange main part 1, and clutch blocks 12 can follow the initiative of movable block 14 and remove.

After the completion is to the installation of activity thread bush 4, install flange plate main part 1 on the top of pipeline, later with two 1 docks of flange plate main part, protruding piece 11 on surface gets into constant head tank 10 inside when the butt joint, realize quick location, pass every fastening connection hole 2 with fixing bolt during, the butt joint is accomplished to the screw up nut, and can make clutch block 12 compress extrusion spring 13 when screwing up the nut, thereby utilize extrusion spring 13 to promote and produce great frictional force between clutch block 12 and the fixed bolt and the nut, thereby restrict the random rotation of fixed bolt and nut, reach the purpose that prevents to become flexible.

The working principle is as follows: when the device is used, according to the structure shown in fig. 1 and fig. 2, firstly, a proper movable threaded sleeve 4 is selected according to the diameter of a pipeline to be butted to be installed, then, the positioning groove 10 and the protruding block 11 are used for realizing quick positioning during butting, and finally, after the butting is completed, the friction block 12 is extruded by the extrusion spring 13, so that the rotation of the fixed bolt and the nut is limited, and the purpose of preventing loosening is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high strength corrosion-resistant type flange structure, utilizes ring flange main part (1) to realize the sealing connection between axle and the axle or between pipeline and the pipeline, ring flange main part (1) border position runs through and offers fastening connection hole (2) that are used for placing fastening screw, ring flange main part (1) inboard fixed mounting has sealing washer (3) that increase its sealed effect, its characterized in that includes:

the movable threaded sleeve (4) is detachably mounted on the inner side of the sealing ring (3), and the inner diameter of the movable threaded sleeve (4) can be replaced according to the diameter of an actually connected object;

the extrusion buttons (5) are vertically and symmetrically arranged on the outer side of the flange plate main body (1), the number of the extrusion buttons (5) is 8 relative to the center of the flange plate main body (1), and the positions of the extrusion buttons (5) correspond to the positions of the fastening connecting holes (2);

anticorrosive paint (6), even spraying is in flange plate main part (1) surface, anticorrosive paint (6) can be completely cut off flange plate main part (1) and external direct contact.

2. A high-strength corrosion-resistant flange structure according to claim 1, wherein: the movable threaded sleeve (4) and the flange plate main body (1) form a dismounting and mounting structure through a fixed threaded rod (7), and the fixed threaded rod (7) are distributed with 4 in equal intervals.

3. A high-strength corrosion-resistant flange structure according to claim 1, wherein: the inboard sliding block (8) that evenly is provided with of sealing washer (3), sliding tray (9) have been seted up to activity thread bush (4) surface correspondence.

4. A high-strength corrosion-resistant flange structure according to claim 3, wherein: the sliding block (8) passes through the sliding groove (9) with the sliding structure is formed by the movable threaded sleeve (4), and the sliding block (8) corresponds to the sliding groove (9) in number and position.

5. A high-strength corrosion-resistant flange structure according to claim 1, wherein: both sides are provided with constant head tank (10) and protruding piece (11) respectively about fastening connection hole (2), just protruding piece (11) with the inclination of constant head tank (10) is the same.

6. A high-strength corrosion-resistant flange structure according to claim 5, wherein: the outer side of the fastening connecting hole (2) is movably provided with a friction block (12) capable of increasing friction force, and the inner side surface of the friction block (12) is fixedly provided with an extrusion spring (13).

7. A high-strength corrosion-resistant flange structure according to claim 6, wherein: the friction block (12) and the flange plate main body (1) form an elastic structure through the extrusion spring (13), and the friction block (12) can actively move along with the movable block (14).