CN212377512U

CN212377512U - Metal flange welding workpiece for mechanical connection

Info

Publication number: CN212377512U
Application number: CN202021110625.0U
Authority: CN
Inventors: 金卫华
Original assignee: Shanghai Yulan Decoration Co ltd
Current assignee: Shanghai Yulan Decoration Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-01-19
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a metal flange weldment work piece for mechanical connection, including the flange disk body, the inside through-hole that is provided with of flange disk body, flange disk body front end is provided with the arch, protruding front end is provided with a neck, the inside mounting hole that is provided with of flange disk body, flange disk body surface is provided with first recess, be provided with the open slot in the arch, the open slot bottom is provided with the spout, the inside slider that is provided with of open slot, be connected with rotatable fixture block on the slider, open slot one side is provided with the second recess, the open slot opposite side is provided with the draw-in groove, through-hole one end is provided with first welding groove, the inside second welding groove that is provided with of second recess, the through-hole other end is provided with third welding groove, first recess outside is provided with shelter. The utility model discloses a metal flange welding work piece for mechanical connection has increased welded stability, makes weldment work simpler, has prevented simultaneously that the flange from rusting and damaging.

Description

Metal flange welding workpiece for mechanical connection

Technical Field

The utility model relates to a mechanical connection technical field, in particular to metal flange welding work piece for mechanical connection.

Background

A component commonly used for mechanical connection of flanges is often used for connection between a shaft and a shaft or a pipe end; some flanges may also be used as connections between devices. The flange comprises ring flange, gasket and bolt three usually, thereby utilize the bolt to fasten two butt joint flange dishes through setting up the gasket between the ring flange and form seal structure, the flange often need be welded on some work pieces, along with modern mechanical technology's development, ordinary flange structure has can't satisfy the connection demand under some special circumstances, because the welding is more troublesome, and ordinary flange structure has a very big problem in addition because expose for a long time and receive the corruption easily in outside bolt, thereby damage the structure inside the flange.

In the prior art, the flange needs to be fixed by nuts in the mounting hole when in use, the common flange structure does not have any protective measures for mounting bolts, the inside of the mounting hole is extremely easy to corrode, the use of the flange is directly influenced once the nuts inside rust, and the service life of the flange is greatly reduced. The common flange is generally welded on one side during welding, the fixing effect is not good, and the welding is troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a metal flange welding work piece for mechanical connection, can effectively improve the part of expounding in the background art and received the corruption, welds the trouble problem of insecure welding.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a metal flange weldment work piece for mechanical connection, including the flange disk body, the inside through-hole that is provided with of flange disk body, flange disk body front end is provided with the arch, protruding front end is provided with a neck, the inside mounting hole that is provided with of flange disk body, flange disk body surface is provided with first recess, be provided with the open slot in the arch, the open slot bottom is provided with the spout, the inside slider that is provided with of open slot, be connected with rotatable fixture block on the slider, open slot one side is provided with the second recess, the open slot opposite side is provided with the draw-in groove, through-hole one end is provided with first welding groove, the inside second welding groove that is provided with of second recess, the through-hole other end is provided with third welding groove, first recess outside is provided with.

Preferably, the open slots are distributed on the protrusions at equal angles, and the number of the open slots is 6.

Preferably, the mounting holes are distributed on the flange plate body in an equiangular circumference mode, and the number of the mounting holes is 4.

Preferably, the shielding cap is of a thin-walled shell structure, the inner wall of the first groove is provided with an inner concave thread, the outer wall of the bottom end of the shielding cap is provided with an outer convex thread, the outer diameter of the shielding cap is matched with the inner diameter of the first groove, the shielding cap and the first groove are on the same vertical line with the axis of the mounting hole, and the shielding cap is movably mounted on the first groove through the thread.

Preferably, the sliding block is slidably connected with the open slot through a sliding groove, the cross-shaped vertical part of the clamping groove is communicated with the inside of the open slot, the inner surface size of the clamping groove is matched with the outer surface size of the rotatable clamping block, and the rotatable clamping block is movably clamped in the clamping groove.

Preferably, the bottom of the sliding block is arc-shaped, the outer dimension of the sliding block is matched with the inner dimension of the second groove, and the sliding block is movably clamped inside the second groove.

Compared with the prior art, the utility model discloses following beneficial effect has: the metal flange welding workpiece for mechanical connection is characterized in that a first welding groove is formed in one end of a through hole, a third welding groove is formed in the other end of the through hole, a second welding groove is formed in the second groove, the flange and the workpiece arranged in the through hole are welded in three parts, the stability of flange connection is greatly enhanced, an open groove is formed in a bulge, a sliding block is in sliding connection with the open groove through a sliding groove, a rotatable clamping block is fixedly connected to the sliding block, the sliding block is separated from the second groove by drawing the rotatable clamping block during welding, the rotatable clamping block is clamped in the clamping groove by rotating the rotatable clamping block, the flange can be welded through the second welding groove arranged in the second groove, the operation is simple, after welding is completed, the rotatable clamping block is rotated to a vertical position, the sliding block is separated from being fixed, and the sliding block is clamped in the second groove through the sliding groove, the slider has played sealed guard action to second recess inside, shelter from the cap and pass through screw thread movable mounting on first recess, first recess has played airtight effect to the bolt of installing in the mounting hole inside, and the inside bolt of protection is not corroded by the external world, has reduced the damage of flange.

Drawings

FIG. 1 is a schematic view of the overall structure of a metal flange welding workpiece for mechanical connection according to the present invention;

FIG. 2 is a schematic top view of a metal flange welded workpiece for mechanical connection according to the present invention;

FIG. 3 is a schematic side view of a cross-sectional structure of a metal flange welded workpiece for mechanical connection according to the present invention;

FIG. 4 is a schematic view of a partially enlarged structure of a metal flange welding workpiece for mechanical connection according to the present invention;

FIG. 5 is a schematic view of the shield cap of the metal flange welding workpiece for mechanical connection according to the present invention;

in the figure: 1. a flange plate body; 2. a through hole; 3. A pan neck; 4. a protrusion; 5. mounting holes; 6. a first groove; 7. an open slot; 8. a chute; 9. a slider; 10. the fixture block can be rotated; 11. a second groove; 12. a card slot; 13. a first welding groove; 14. a second welding groove; 15. a third weld groove; 16. a shield cap.

Detailed Description

For making the technical means, creation characteristics, achievement purpose and efficiency of the utility model easily understand and understand, it is right below the technical scheme of the utility model to carry out further detailed explanation.

As shown in fig. 1-4, the utility model discloses a metal flange welding work piece for mechanical connection, including

flange disk body

1, 1 inside through-hole 2 that is provided with of flange disk body, 1 front end of flange disk body is provided with

arch

4, 4 front ends in the arch are provided with

dish neck

3, 1 inside mounting hole 5 that is provided with of flange disk body, 1 surface of flange disk body is provided with first recess 6, be provided with open slot 7 on the arch 4, open slot 7 bottom is provided with

spout

8, 7 inside sliders 9 that are provided with of open slot, be connected with rotatable fixture block 10 on the slider 9, open slot 7 one side is provided with

second recess

11, 7 opposite side of open slot is provided with draw-in

groove

12, 2 one end in through-hole is provided with

first welding groove

13, 11 inside second welding grooves 14 that is provided with of second recess, the 2 other ends in through-hole are provided with third welding.

In the embodiment, the open slots 7 are distributed on the protrusions 4 at equal angles, the number of the open slots 7 is 6, and a plurality of welding positions are arranged, so that the welding effect is better, and the welding stability is improved; the mounting holes 5 are distributed on the flange plate body 1 in an equiangular and circumferential manner, the number of the mounting holes 5 is 4, and bolts are arranged in the mounting holes 5 for connection so that the two flange plates are butted; the shielding cap 16 is of a thin-wall shell structure, the inner wall of the first groove 6 is provided with an inward-concave thread, the outer wall of the bottom end of the shielding cap 16 is provided with an outward-convex thread, the outer diameter of the shielding cap 16 is matched with the inner diameter of the first groove 6, the shielding cap 16, the first groove 6 and the axis of the mounting hole 5 are on the same vertical line, the shielding cap 16 is movably mounted on the first groove 6 through the thread, the shielding cap 16 plays a sufficient role in shielding bolts arranged in the mounting hole 5, and invasion of corrosive substances such as air moisture and the like is reduced; the sliding block 9 is connected with the open slot 7 in a sliding mode through the sliding groove 8, the cross-shaped vertical portion of the clamping groove 12 is communicated with the interior of the open slot 7, the inner surface size of the clamping groove 12 is matched with the outer surface size of the rotatable clamping block 10, the rotatable clamping block 10 is movably clamped in the clamping groove 12, the sliding block 9 plays a role in sealing the interior of the second groove 11, the welded surface can be protected after welding, and corrosion of external corrosive substances is reduced; 9 bottoms of slider are circular-arc, 9 apparent sizes of slider and 11 internal surface sizes looks adaptations of second recess, and 9 movable joint of slider are inside second recess 11, and slider 9's connected mode is simple and effective, and the card has increased the convenience when welding in second recess 11 is inside when the welding, and the welding finishes can carry out anticorrosion protection to the welding surface again.

It should be noted that, the utility model relates to a metal flange welding workpiece for mechanical connection, before using, a user penetrates a pipeline to be connected into a flange through hole 2 to align, then first welds a first welding groove 13 and a third welding groove 15 to fix a flange plate body 1 on the pipeline, pulls a rotatable fixture block 10 to pull a slider 9 out of a second groove 11, rotates the rotatable fixture block 10 to a horizontal position to be clamped in a clamping groove 12 to realize fixation, then welds a second welding groove 14, adjusts the position of the rotatable fixture block 10 to a vertical position after welding is completed, pushes the rotatable fixture block 10 to make the slider 9 slide in the sliding groove 8 and clamped in the second groove 11 to achieve the effect of protecting the welding position, the three welding parts increase the stability, after welding is completed, a gasket is arranged between the two flange plate bodies 1 to connect a bolt into a mounting hole 5 in a penetrating way, the shielding cap 16 is screwed into the first groove 6, so that the bolt inside the mounting hole 5 is protected from corrosion.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a metal flange welding work piece for mechanical connection which characterized in that: comprises a flange disc body (1), a through hole (2) is arranged in the flange disc body (1), a bulge (4) is arranged at the front end of the flange disc body (1), a disc neck (3) is arranged at the front end of the bulge (4), a mounting hole (5) is arranged in the flange disc body (1), a first groove (6) is arranged on the surface of the flange disc body (1), an open slot (7) is arranged on the bulge (4), a sliding groove (8) is arranged at the bottom of the open slot (7), a sliding block (9) is arranged in the open slot (7), a rotatable clamping block (10) is connected on the sliding block (9), a second groove (11) is arranged on one side of the open slot (7), a clamping groove (12) is arranged on the other side of the open slot (7), a first welding groove (13) is arranged at one end of the through hole (2), a second welding groove (14), the other end of the through hole (2) is provided with a third welding groove (15), and a shielding cap (16) is arranged outside the first groove (6).

2. A metal flange welded work for mechanical connection according to claim 1, wherein: the open slots (7) are distributed on the bulges (4) in an equiangular and circumferential manner, and the number of the open slots (7) is 6.

3. A metal flange welded work for mechanical connection according to claim 1, wherein: the mounting holes (5) are distributed on the flange plate body (1) in an equiangular and circumferential manner, and the number of the mounting holes (5) is 4.

4. A metal flange welded work for mechanical connection according to claim 1, wherein: hide cap (16) and be the shell structure of thin wall form, the inner wall of first recess (6) is provided with interior concave screw, the bottom outer wall that hides cap (16) is provided with the evagination screw, the external diameter size that hides cap (16) first recess (6) internal diameter size looks adaptation, the axle center that hides cap (16) and first recess (6) and mounting hole (5) is on same vertical line, hide cap (16) and pass through screw thread movable mounting on first recess (6).

5. A metal flange welded work for mechanical connection according to claim 1, wherein: the sliding block (9) is connected with the open slot (7) in a sliding mode through the sliding groove (8), the clamping groove (12) is a cross-shaped vertical portion and is communicated with the inside of the open slot (7), the inner surface size of the clamping groove (12) is matched with the outer surface size of the rotatable clamping block (10), and the rotatable clamping block (10) is movably clamped inside the clamping groove (12).

6. A metal flange welded work for mechanical connection according to claim 1, wherein: the bottom of the sliding block (9) is arc-shaped, the external dimension of the sliding block (9) is matched with the internal dimension of the second groove (11), and the sliding block (9) is movably clamped inside the second groove (11).