CN212407880U

CN212407880U - Anti-skid wear-resistant welding neck flange

Info

Publication number: CN212407880U
Application number: CN202020744129.4U
Authority: CN
Inventors: 富中
Original assignee: Haiyan Flange Factory
Current assignee: Haiyan Flange Factory
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-26
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses a wear-resisting type of antiskid welded neck flange, including welded neck flange, the spacing groove has been seted up to the inboard equal symmetry of every T type bolt through-hole, and the direction slide rail has been seted up to the upper surface symmetry of sealed lid, and the outside symmetry of sealed lid sets up the movable groove that communicates with the direction slide rail, and the inboard equal fixed mounting in every movable groove has reset spring, and reset spring's one end fixedly connected with has the stopper that corresponds with the spacing groove, and the last fixed surface of stopper installs the action bars that runs through the direction slide rail. The utility model discloses be provided with sealed lid, through the pulling action bars, drive the stopper compression reset spring rather than being connected, realize that the stopper gets into the inside in activity groove, through placing sealed lid in the inside of T type bolt through-hole, simultaneously under reset spring's spring action, the stopper card is solid in spacing inslot portion to guarantee sealed ability to the bolt of lid, the bolt is difficult to be corroded, convenient dismantlement.

Description

Anti-skid wear-resistant welding neck flange

Technical Field

The utility model relates to a welding neck flange technical field specifically is wear-resisting type welding neck flange of antiskid.

Background

The welding neck flange is a kind of pipe fitting, it is a flange with neck and circular pipe transition and connected with pipe by butt welding, and it is not easy to deform, and has the advantages of wide application, corresponding rigidity and elasticity requirements and reasonable butt welding thinning transition, and the distance between welding mouth and joint face is large, and the joint face is free from welding temperature deformation. The welding neck flange adopts a relatively complex horn-shaped structure, is suitable for pipelines with greatly fluctuating pressure or temperature or high-temperature, high-pressure and low-temperature pipelines, and is generally used for connecting pipelines and valves with PN more than 2.5 MPa; and is also used for pipelines for conveying expensive, inflammable and explosive media. Two present welding neck flanges are relatively poor in the sealed effect when with another flange joint, use the bolt with two flange joint backs simultaneously, the one end of bolt exposes the problem that receives the damage outside easily.

Chinese patent network application CN201920865957.0 discloses "a 09MnNiD material welded neck flange that shocks resistance", welded neck flange's top fixedly connected with flange neck, and flange neck's top has seted up first through-hole, T type hole has been seted up to one side at welded neck flange top, the second through-hole has been seted up to welded neck flange's bottom, and welded neck flange's bottom fixedly connected with is sealed to fill up. Although the shock-resistant 09MnNiD material welding neck flange is matched with the sealing gasket, the clamping groove and the clamping block, the sealing property between the two welding neck flanges is convenient to be better ensured, so that the problem that the two welding neck flanges are poor in sealing property after being connected is solved, and the sealing property between the two welding neck flanges is improved; through the setting in T type hole, be convenient for better protect the bolt between two flange weldments to solved the bolt and after connecting two flange weldments, the one end of bolt can expose externally, has improved the protectiveness to the bolt. However, the bolt is still exposed to air when placed inside the T-shaped hole, and is easily corroded, which makes it difficult to disassemble; but also the sealing performance between the welding flange and the pipeline is poor, and the efficiency of pipeline transportation materials is influenced. For this purpose, a slip-resistant, wear-resistant type of welding neck flange is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-skid wear-resistant welding neck flange, which solves the problems that bolts are placed in T-shaped holes, still exposed in the air and easily corroded, and difficult to disassemble; but also has poor sealing performance between the welding flange and the pipeline and influences the efficiency of pipeline transportation materials.

In order to achieve the above object, the utility model provides a following technical scheme: wear-resisting type of antiskid welded flange, including welded flange, welded flange's upper surface middle part fixed mounting has the flange neck head, just six T type bolt through-holes have evenly been seted up to welded flange's upper surface outside, every the spacing groove has been seted up to the equal symmetry in inboard of T type bolt through-hole, just the inside of T type bolt through-hole is provided with sealed lid, the direction slide rail has been seted up to the upper surface symmetry of sealed lid, just the activity groove with direction slide rail intercommunication is seted up to the outside symmetry of sealed lid, every the equal fixed mounting in inboard of activity groove has reset spring, reset spring's one end fixedly connected with and the stopper that the spacing groove corresponds, the last fixed surface of stopper installs the action bars that runs through the direction slide rail.

Preferably, the operating rod and the limiting block are connected to form an L-shaped structure, and the cross section of the limiting block is of a rectangular structure.

Preferably, the outer sides of the two limiting blocks are sleeved with rubber sealing rings connected with sealing covers together, and the total diameter of the rubber sealing rings and the sealing covers is the same as the diameter of the upper parts of the T-shaped bolt through holes.

Preferably, the flange neck comprises a second through hole arranged in the middle, and a lining sealing ring is fixedly arranged on the inner side of the second through hole.

Preferably, the welding neck flange comprises a first through hole arranged in the middle, and the diameter of the first through hole is slightly smaller than the inner diameter of the lining sealing ring.

Preferably, a rubber sealing gasket is fixedly mounted on the lower surface of the welding neck flange, and the rubber sealing gasket is of an annular structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses be provided with sealed lid, through the pulling action bars, drive the stopper compression reset spring rather than being connected, realize that the stopper gets into the inside in activity groove, through placing sealed lid in the inside of T type bolt through-hole, simultaneously under reset spring's spring action, the stopper card is solid in spacing inslot portion to guarantee sealed ability to the bolt of lid, the bolt is difficult to be corroded, convenient dismantlement.

2. The utility model discloses an inboard installation inside lining sealing washer at the second through-hole to the internal diameter of inside lining sealing washer is greater than the diameter of first through-hole, utilizes rubber packing pad again, has guaranteed the leakproofness between flange and pipeline, can not influence the efficiency of pipeline transportation material.

Drawings

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

fig. 2 is a top view of the present invention;

fig. 3 is a partial enlarged view of part a of the present invention.

In the figure: 1. a T-bolt through hole; 2. welding a flange; 3. a rubber gasket; 4. a sealing cover; 5. a first through hole; 6. a flange neck; 7. a lining sealing ring; 8. a second through hole; 9. a limiting groove; 10. a limiting block; 11. a return spring; 12. a movable groove; 13. a guide slide rail; 14. an operating lever; 15. a rubber seal ring.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-3, the anti-skid wear-resistant type welding neck flange comprises a welding neck flange 2, a flange neck 6 is fixedly installed in the middle of the upper surface of the welding neck flange 2, six T-shaped bolt through holes 1 are uniformly formed outside the upper surface of the welding neck flange 2, a limiting groove 9 is symmetrically formed inside each T-shaped bolt through hole 1, a sealing cover 4 is arranged inside each T-shaped bolt through hole 1, a guide sliding rail 13 is symmetrically formed on the upper surface of the sealing cover 4, a movable groove 12 communicated with the guide sliding rail 13 is symmetrically formed outside the sealing cover 4, a return spring 11 is fixedly installed inside each movable groove 12, a limiting block 10 corresponding to the limiting groove 9 is fixedly connected to one end of each return spring 11, an operating rod 14 penetrating through the guide sliding rail 13 is fixedly installed on the upper surface of the limiting block 10, the limiting block 10 connected with the operating rod 14 is driven to compress the return spring 11 by pulling the operating rod 14, realize stopper 10 and get into the inside of activity groove 12, through placing sealed lid 4 in the inside of T type bolt through-hole 1, simultaneously under reset spring 11's elastic force effect, stopper 10 card is fixed inside spacing groove 9 to guarantee the sealing ability of sealed lid 4 to the bolt, the bolt is difficult to be corroded, convenient dismantlement.

Referring to fig. 3, the operating rod 14 and the stopper 10 are connected to form an "L" shaped structure, and the cross section of the stopper 10 is rectangular.

Referring to fig. 3, the outer sides of the two limiting blocks 10 are sleeved with the rubber sealing ring 15 connected with the sealing cover 4, so that the sealing performance of the sealing cover 4 to the bolt is improved, the bolt corrosion is avoided, and the total diameter of the rubber sealing ring 15 and the sealing cover 4 is the same as the diameter of the upper part of the T-shaped bolt through hole 1.

Referring to fig. 1-2, the flange neck 6 includes a second through hole 8 formed in the middle, and a lining sealing ring 7 is fixedly installed on the inner side of the second through hole 8, so that the sealing performance of the connection between the welding flange 2 and the pipeline is ensured, and the efficiency of pipeline transportation of substances is not affected.

Referring to fig. 1, the welding neck flange 2 includes a first through hole 5 formed in the middle, and the diameter of the first through hole 5 is slightly smaller than the inner diameter of the lining sealing ring 7.

Referring to fig. 1, a rubber gasket 3 is fixedly mounted on the lower surface of each welding flange 2, and the rubber gasket 3 is in an annular structure, so that the sealing performance of the connection between the two welding flanges 2 is improved.

The working principle is as follows: during the use, at first locate the outside of pipeline with single welding neck flange 2 cover, the outer wall and the contact of inside lining sealing washer 7 of pipeline, and utilize welding process with welding neck flange 2 and pipeline within a definite time firm in connection, then utilize the bolt to pass through T type bolt through-hole 1, it is fixed with another welding neck flange 2, it is firm in connection with another welding neck flange 2 and pipeline to recycle welding process again, handheld action bars 14 pulling stopper 10 at last, make stopper 10 compression reset spring 11, and place sealed lid 4 in T type bolt through-hole 1's inside, loosen action bars 14, under reset spring 11's elastic force effect, stopper 10 blocks into inside spacing groove 9, make sealed lid 4 installation fixed.

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. Wear-resisting type of antiskid welded neck flange, including welded neck flange (2), its characterized in that: a flange neck (6) is fixedly arranged in the middle of the upper surface of the welding neck flange (2), six T-shaped bolt through holes (1) are uniformly formed in the outer side of the upper surface of the welding neck flange (2), a limiting groove (9) is symmetrically formed in the inner side of each T-shaped bolt through hole (1), a sealing cover (4) is arranged in the T-shaped bolt through hole (1), a guide sliding rail (13) is symmetrically arranged on the upper surface of the sealing cover (4), and the outer side of the sealing cover (4) is symmetrically provided with movable grooves (12) communicated with a guide sliding rail (13), the inner side of each movable groove (12) is fixedly provided with a return spring (11), one end of the reset spring (11) is fixedly connected with a limit block (10) corresponding to the limit groove (9), and the upper surface of the limiting block (10) is fixedly provided with an operating rod (14) penetrating through the guide sliding rail (13).

2. The anti-skid wear-resistant counterflange according to claim 1, characterized in that: the operating rod (14) and the limiting block (10) are connected to form an L-shaped structure, and the cross section of the limiting block (10) is of a rectangular structure.

3. The anti-skid wear-resistant counterflange according to claim 1, characterized in that: the outer sides of the limiting blocks (10) are sleeved with rubber sealing rings (15) connected with the sealing covers (4) together, and the total diameter of the rubber sealing rings (15) and the sealing covers (4) is the same as the diameter of the upper portions of the T-shaped bolt through holes (1).

4. The anti-skid wear-resistant counterflange according to claim 1, characterized in that: the flange neck head (6) is including offering second through-hole (8) in the middle part, the inboard fixed mounting of second through-hole (8) has inside lining sealing washer (7).

5. The anti-skid wear-resistant counterflange according to claim 4, characterized in that: the welding neck flange (2) is including offering the first through-hole (5) in middle part, the diameter of first through-hole (5) slightly is less than the internal diameter of inside lining sealing washer (7).

6. The anti-skid wear-resistant counterflange according to claim 1, characterized in that: the lower surface of the welding neck flange (2) is fixedly provided with a rubber sealing gasket (3), and the rubber sealing gasket (3) is of an annular structure.