CN212900249U

CN212900249U - Non-welded flange self-tightening mechanism

Info

Publication number: CN212900249U
Application number: CN202021392985.4U
Authority: CN
Inventors: 宋体训
Original assignee: Nanjing Ersun Technology Development Co ltd
Current assignee: Nanjing Ersun Technology Development Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-04-06
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a there is not welded flange from tighting mechanism, including socket, cutting ferrule and sealing ring, two that the socket divide into to control and correspond, two socket tip are equipped with the butt joint end, and the butt joint end face laminating butt joint has seted up the sealing ring draw-in groove inside the butt joint end, the inside sealing ring that pegs graft of sealing ring draw-in groove, and the joint cutting ferrule is established to two socket outside covers, and the cutting ferrule passes through fastening bolt fastening fixedly, the utility model discloses beneficial effect does: adopt no welded formula self-tightening flange, can guarantee flange and pipeline connection compactness and stability to can change, can change when self-tightening flange damages or pipeline damages, intact part can continue to use, effectively reduces use cost, improves the convenience in utilization.

Description

Non-welded flange self-tightening mechanism

Technical Field

The utility model particularly relates to a there is not welded flange from tighting mechanism.

Background

Flanges, also known as flanges or lugs, are the elements that interconnect the pipe to the pipe and are attached to the ends of the pipe. The flange is provided with holes for receiving bolts, and usually, a plurality of fixing holes are formed on the periphery of a metal body similar to a disc for connecting other things. The existing flange connection is that two pipelines, pipe fittings or equipment are respectively fixed on a flange plate, a flange pad is added between the two flange plates and the two flange plates are fastened together by bolts to complete the connection. The flange connection is an important connection mode of pipeline construction, is convenient to use, can bear larger pressure, and is very widely used in industrial pipelines.

But among the prior art flange joint mainly relies on the fastening effect cooperation flange pad of bolt to seal, sealed effect is bigger by the influence of bolt-up effect, the bolt can be because the stress on pipeline internal pressure orientation both sides increases and appears lax, cause the sealed effect of flange to reduce, run, emit, drip, leak the scheduling problem, consequently, a formula flange that tightly uses has appeared among the prior art, the formula flange volume that tightly uses certainly is littleer, sealed effect is stronger, and it is less to be influenced by bolt-up, excellent in use effect, general formula flange that tightly uses certainly leads to the welding to connect on the pipeline more, can only regard as disposable usage structure, it is not convenient enough to use, damage back whole root canal and also along with together scrapping, use cost is high, therefore, the utility model provides a non-welded flange self-tightening mechanism is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art's weak point, provide a there is not welded flange self-tightening mechanism to reach and not use welded structure also can fasten flange and pipe connection, and guarantee sealing performance's effect.

The utility model provides a no welded flange self-tightening mechanism, includes socket, cutting ferrule and sealing ring, the socket divide into about correspond two, two the socket tip is equipped with the butt joint end, butt joint end face laminating butt joint, the inside sealing ring draw-in groove of having seted up of butt joint end, the inside grafting sealing ring of sealing ring draw-in groove, two the joint cutting ferrule is established to socket outside cover, the cutting ferrule passes through fastening bolt fastening fixedly.

Preferably, socket one end is equipped with the butt joint end, the butt joint end diameter is greater than socket main part diameter, the integrative shaping of butt joint end tip outside is equipped with spacing card, the sealing ring draw-in groove has been seted up to the butt joint end inboard, the socket other end is equipped with the pipe connection end, the pipe connection end is including the pipe plug of integrative shaping, first seal ring is established to pipe plug outside cover, the socket outside cover of pipe plug rear end is equipped with coupling nut, the inboard integrative shaping of coupling nut rear end is equipped with the buckle, the inboard socket outside integrated into one piece of coupling nut is equipped with outside convex fixture block, the buckle corresponds with the fixture block, coupling nut is in the pipeline outside at pipe plug insert pipe back threaded connection, the pipeline outside is equipped with the connecting thread that corresponds with coupling nut.

Preferably, the cutting ferrule includes the main part, fastening groove has been seted up to the main part inside, fastening inslot wall is the hypotenuse form, the hypotenuse corresponds with the butt joint end outer wall of socket, spacing draw-in groove has been seted up in the middle of the fastening groove, spacing draw-in groove corresponds with the spacing card in the socket tip outside, the integrative connecting block that is equipped with of shaping of lower extreme about the cutting ferrule, the bolt hole of two sets of symmetries has been seted up on the connecting block.

Preferably, the sealing ring comprises a main body, a through hole is formed in the middle of the main body and corresponds to the socket and the pipeline, the outer side edge of the main body is inclined to form an extrusion inclined edge, and a limiting block protruding outwards is integrally formed in the middle of the outer side wall of the main body.

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

the utility model discloses a there is not welded formula from tighting flange, can guarantee flange and pipe connection compactness and stability to can change, can change when tighting flange damages or pipeline damages, intact part can continue to use, effectively reduces use cost, improves the convenience in utilization.

Drawings

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

FIG. 2 is a schematic view of the hub of FIG. 1;

fig. 3 is a schematic structural view of the ferrule of fig. 1;

fig. 4 is a schematic structural view of the sealing ring in fig. 1.

In the figure: 1 socket, 2 cutting ferrule, 3 sealing rings, 4 butt joint ends, 5 spacing clamps, 6 sealing ring draw-in grooves, 7 pipeline plugs, 8 seal ring, 9 fixture blocks, 10 coupling nut, 11 fastening groove, 12 spacing draw-in grooves, 13 connecting blocks, 14 bolt holes, 15 through-holes, 16 extrusion hypotenuses, 17 stopper.

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 to 4, the present invention provides a technical solution: the utility model provides a no welded flange self-tightening mechanism, includes hub 1, cutting ferrule 2 and sealing ring 3, and two that correspond about hub 1 divide into, and two 1 tip of hub are equipped with butt joint end 4, and 4 terminal surface laminating butt joints of butt joint end have offered sealing ring draw-in groove 6 inside the butt joint end 4, and 6 inside grafting sealing rings of sealing ring draw-in groove 3, 1 outside covers of two hubs are established joint cutting ferrule 2, and cutting ferrule 2 is fixed through the fastening bolt fastening.

One end of the socket 1 is provided with a butt joint end 4, the diameter of the butt joint end 4 is larger than the diameter of the main body of the socket 1, the outer side of the end part of the butt joint end 4 is integrally formed and is provided with a limit clamp 5, the inner side of the butt joint end 4 is provided with a sealing ring clamping groove 6, the other end of the socket 1 is provided with a pipeline connecting end, the pipeline connecting end comprises an integrally formed pipeline plug 7, the outer side of the pipeline plug 7 is sleeved with a joint sealing washer 8, the outer side of the socket 1 at the rear end of the pipeline plug 7 is sleeved with a connecting nut 10, the inner side of the rear end of the connecting nut 10 is integrally formed and is provided with a buckle, the outer side of the socket 1 at the inner side of the connecting nut 10 is integrally formed and is provided with a clamping block 9 protruding outwards, the buckle corresponds to the clamping block 9, the connecting nut 10 is in threaded connection, improve sealed effect, can make through the pipe connection end and also can fix between pipeline and the socket 1 without the welding, guarantee the stability and the tightness of junction, improve sealed effect, conveniently dismantle the change, improve the convenience of use greatly to reduce use cost.

Cutting ferrule 2 includes the main part, fastening groove 11 has been seted up to the main part inside, fastening groove 11 inner wall is the hypotenuse form, the hypotenuse corresponds with 4 outer walls of butt joint end of slipknot 1, spacing draw-in groove 12 has been seted up in the middle of fastening groove 11, spacing draw-in groove 12 corresponds with spacing card 5 in the 1 tip outside of slipknot, cutting ferrule 2 is gone up integrative the shaping of lower extreme and is equipped with connecting block 13, the bolt hole 14 of two sets of symmetries has been seted up on connecting block 13, it is inseparabler to connect after can making the both sides pipeline butt joint through cutting ferrule 2, improve sealed effect, prevent the race from appearing, emit, drip, leak the scheduling problem, improve the result of use, and reduce the influence that receives.

Sealing ring 3 includes the main part, through-hole 15 has been seted up in the middle of the main part, through-hole 15 corresponds with socket 1 and pipeline, main part outside limit is the slope form and forms extrusion hypotenuse 16, integrative taking shape is equipped with outside convex stopper 17 in the middle of the main part lateral wall, can increase the sealing performance of socket 1 butt joint department through sealing ring 3, and have limit structure, guarantee the accurate nature in position after 3 grafting of sealing ring, avoid 3 removals of sealing ring, influence sealed effect, make the pressure that the sealing ring receives big more, the sealed effect of use is better.

The working principle is as follows: during the use, at first peg graft the pipeline plug 7 at the end of the socket 1 in the pipeline, then correspond on the connecting thread that sets up through coupling nut 10 threaded connection pipeline, with pipeline and socket 1 fixed connection, the cover is equipped with seal ring can effectively improve the sealed effect of junction outside pipeline plug 7 outside, then dock 1 tip of both sides socket, and at 6 interpolation joint sealing ring 3 of inside sealing ring draw-in grooves of butt joint department, then overlap the cover of cutting ferrule 2 in the outside of socket 1 butt joint end 4, and fasten cutting ferrule 2 through fastening bolt, then use the hammer to strike the adapter sleeve, rethread fixing bolt fastens, after fastening many times, guarantee that cutting ferrule 2 accomplishes the installation after thoroughly fastening and fixing socket 1.

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 no welded flange self-tightening mechanism, includes hub (1), cutting ferrule (2) and sealing ring (3), its characterized in that: the utility model discloses a sealing device, including cover section (1), sealing ring draw-in groove (6) inside grafting sealing ring (3), two the joint cutting ferrule (2) is established to cover section (1) divide into about corresponding two, two the cover section (1) tip is equipped with butt joint end (4), butt joint end (4) terminal surface laminating butt joint, inside sealing ring draw-in groove (6) of having seted up, two joint cutting ferrule (2) are established to cover section (1) outside cover, cutting ferrule (2) are fixed through the fastening bolt fastening.

2. A weldless flange clinch mechanism as claimed in claim 1, wherein: one end of the socket (1) is provided with a butt joint end (4), the diameter of the butt joint end (4) is larger than the diameter of the main body of the socket (1), the outer side of the end part of the butt joint end (4) is integrally provided with a limiting clamp (5), the inner side of the butt joint end (4) is provided with a sealing ring clamping groove (6), the other end of the socket (1) is provided with a pipeline connecting end, the pipeline connecting end comprises an integrally formed pipeline plug (7), a joint sealing gasket (8) is sleeved on the outer side of the pipeline plug (7), a connecting nut (10) is sleeved on the outer side of the socket (1) at the rear end of the pipeline plug (7), a buckle is integrally formed on the inner side of the rear end of the connecting nut (10), the outer side of the socket (1) on the inner side of the connecting nut (10) is integrally formed and provided with a clamping block (9) protruding outwards, the buckle corresponds to the clamping block (9), and the connecting nut (, and a connecting thread corresponding to the connecting nut (10) is arranged on the outer side of the pipeline.

3. A weldless flange clinch mechanism as claimed in claim 1, wherein: cutting ferrule (2) includes the main part, fastening groove (11) have been seted up to the main part is inside, fastening groove (11) inner wall is the hypotenuse form, the hypotenuse corresponds with butt joint end (4) outer wall of socket (1), spacing draw-in groove (12) have been seted up in the middle of fastening groove (11), spacing draw-in groove (12) correspond with spacing card (5) in the socket (1) tip outside, the integrative shaping of lower extreme is equipped with connecting block (13) about cutting ferrule (2), bolt hole (14) of two sets of symmetries have been seted up on connecting block (13).

4. A weldless flange clinch mechanism as claimed in claim 1, wherein: sealing ring (3) includes the main part, through-hole (15) have been seted up in the middle of the main part, through-hole (15) correspond with socket (1) and pipeline, main part outside limit is slope form and forms extrusion hypotenuse (16), integrated into one piece is equipped with outside convex stopper (17) in the middle of the main part lateral wall.