CN112728255A

CN112728255A - Stainless steel corrugated pipe capable of being installed quickly

Info

Publication number: CN112728255A
Application number: CN202011610538.6A
Authority: CN
Inventors: 石敢当
Original assignee: Zhejiang Qiai Tubing Industry Co ltd
Current assignee: Zhejiang Qiai Tubing Industry Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-30

Abstract

The invention relates to the technical field of pipe connecting pieces, in particular to a stainless steel corrugated pipe capable of being quickly installed, which comprises a corrugated pipe body, wherein a non-return sleeve and a snap ring are sleeved on the periphery of the corrugated pipe body, the non-return sleeve is sleeved with the snap ring, a switching inner pipe is sleeved on the inner wall of a port of the corrugated pipe body, a pressing sleeve is fixedly arranged on the outer wall of the switching inner pipe, a switching outer pipe connected with a screw thread of the non-return sleeve is fixedly arranged on the outer wall of the pressing sleeve, a sealing ring abutted against the port of the corrugated pipe body is embedded on the inner wall of the pressing sleeve, and a conical surface sleeve sleeved outside the corrugated. According to the invention, through the combined action of the switching inner tube and the conical surface sleeve, the tubular structure at the port of the corrugated tube body can be well maintained, the port of the corrugated tube body is prevented from being deformed, and the port of the corrugated tube body is extruded through the sealing ring, so that the pressing sleeve and the corrugated tube body form a good sealing structure, and the leakage is avoided.

Description

Stainless steel corrugated pipe capable of being installed quickly

Technical Field

The invention relates to the technical field of pipe connecting pieces, in particular to a stainless steel corrugated pipe capable of being installed quickly.

Background

The corrugated pipe mainly comprises a metal corrugated pipe, a corrugated expansion joint, a corrugated heat exchange pipe, a metal hose and the like. The metal corrugated pipe is mainly applied to the effects of compensating the thermal deformation of a pipeline, damping, absorbing the settlement deformation of the pipeline and the like, and is widely applied to the industries of petrifaction, instruments, aerospace, chemical industry, electric power, cement, metallurgy and the like.

The invention with the publication number of CN209925799U discloses a corrugated pipe quick connection structure, which comprises a corrugated pipe, a connecting pipe, a locking nut and a rubber ring arranged between the corrugated pipe and the connecting pipe, wherein the inner wall of the corrugated pipe in the invention lacks a supporting structure, so that when the quick connection structure is installed at the port of the corrugated pipe, the port of the corrugated pipe is easy to deform, and the structural regularity and the structural strength of the corrugated pipe are influenced.

Disclosure of Invention

The present invention is directed to a stainless steel corrugated pipe capable of being quickly installed, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a but stainless steel bellows of quick installation, includes the bellows body, the periphery cover of bellows body is equipped with stopping cover and snap ring, stopping cover cup joints the snap ring, the port inner wall cover of bellows body is equipped with the switching inner tube, just the outer wall of switching inner tube has set firmly and has compressed tightly the cover, the outer wall that compresses tightly the cover set firmly with the switching outer tube that stopping cover screw thread is connected, compress tightly the inner wall of cover and seted up the ring channel, inlay in the ring channel be equipped with the sealing ring of the port looks butt of bellows body, compress tightly the cover with it locates to be equipped with the cover between the snap ring this external conical surface cover of bellows, the most advanced orientation of conical surface cover compress tightly the cover, just the inclined lateral wall of conical surface cover with the inner wall that compresses tightly the cover is identical.

Optionally, the stop sleeve is provided with a round hole for accommodating the corrugated pipe body, and the stop sleeve is provided with a clamping hole for accommodating the snap ring; the aperture of the round hole is larger than the outer diameter of the wave crest of the corrugated pipe body, and the aperture of the round hole is equal to the minimum aperture of the clamping hole.

Optionally, the snap ring is a circular ring body formed by oppositely splicing two semicircular rings, and the inner wall of each semicircular ring is provided with a semicircular groove matched with the wave crest of the corrugated pipe body.

Optionally, an insert block is integrally formed on the side wall of the semicircular ring far away from the anti-back sleeve, and an insert hole matched with the insert block is formed in the conical surface sleeve.

Optionally, one end of the adapting inner pipe, which is far away from the corrugated pipe body, is provided with a thread groove; the included angle between the inclined side wall of the conical surface sleeve and the horizontal plane is fifteen degrees.

Optionally, the pressing sleeve and the outer adapter tube are provided with reinforcing ribs therebetween, the reinforcing ribs are triangular, and the reinforcing ribs are distributed in an annular shape at equal intervals along the end wall of the outer adapter tube.

Compared with the prior art, the invention provides a stainless steel corrugated pipe capable of being rapidly installed, which has the following beneficial effects:

1. according to the invention, through the combined action of the switching inner tube and the conical surface sleeve, the tubular structure at the port of the corrugated tube body can be well maintained, the port of the corrugated tube body is prevented from being deformed, and the port of the corrugated tube body is extruded through the sealing ring, so that the pressing sleeve and the corrugated tube body form a good sealing structure, the leakage is avoided, the structure is compact, and the structure is novel;

2. according to the corrugated pipe, the conical surface sleeve acts on the conical surface sleeve through extrusion of the pressing sleeve, so that the conical surface sleeve and the retaining sleeve clamp the semicircular rings together, the stability of the clamping ring mounted on the corrugated pipe body is improved, and through the design of the embedding hole and the embedding block, the conical surface sleeve can constrain the two semicircular rings into the clamping ring, so that the two semicircular rings can be conveniently sleeved into the retaining sleeve in an integral manner;

3. according to the invention, the screw thread groove is formed in the switching inner pipe, so that the switching inner pipe and the water pipe connector can be conveniently connected through screw threads, the corrugated pipe body and the water pipe connector can be rapidly installed, and the reinforcing rib is integrally formed between the pressing sleeve and the switching outer pipe, so that the structural strength of the pressing sleeve is improved.

Drawings

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

FIG. 2 is an enlarged view of part A of FIG. 1;

fig. 3 is a schematic structural view of a snap ring and a conical sleeve in the present invention.

In the figure: 1. a bellows body; 2. a withdrawal stopping sleeve; 3. a circular hole; 4. a clamping hole; 5. a snap ring; 6. a semicircular ring; 7. a semicircular groove; 8. an insert block; 9. switching the inner pipe; 10. a compression sleeve; 11. an annular groove; 12. switching an outer tube; 13. a screw thread groove; 14. reinforcing ribs; 15. a seal ring; 16. a conical surface sleeve; 17. and (5) embedding the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): referring to fig. 1, the present invention provides a stainless steel corrugated pipe capable of being quickly installed, which includes a corrugated pipe body 1, a stop sleeve 2 and a snap ring 5 are sleeved on the periphery of the corrugated pipe body 1, and the stop sleeve 2 is sleeved on the snap ring 5. The inner wall of the port of the corrugated pipe body 1 is sleeved with a switching inner pipe 9, the outer wall of the switching inner pipe 9 is integrally formed with a pressing sleeve 10, and the outer wall of the pressing sleeve 10 is integrally formed with a switching outer pipe 12 which is connected with the screw thread of the stopping sleeve 2. An annular groove 11 is formed in the inner wall of the pressing sleeve 10, and a sealing ring 15 which is abutted to the port of the corrugated pipe body 1 is embedded in the annular groove 11. The round hole 3 that is used for holding bellows body 1 is offered to stopping cover 2, and the card hole 4 that is used for holding snap ring 5 is offered to stopping cover 2, wherein sets for: the aperture of the round hole 3 is larger than the wave crest outer diameter of the corrugated pipe body 1, and the aperture of the round hole 3 is equal to the minimum aperture of the clamping hole 4, so that the stop sleeve 2 can freely move on the corrugated pipe body 1 after the clamping ring 5 is removed.

Referring to fig. 3, the snap ring 5 is a circular ring body formed by splicing two semicircular rings 6, and the inner wall of the semicircular ring 6 is provided with a semicircular groove 7 matched with the wave crest of the corrugated pipe body 1. The wave crest of the corrugated pipe body 1 is used for limiting the clamp ring 5, and the clamp ring 5 can limit the compression sleeve 10, so that the switching inner pipe 9 is fixed to the corrugated pipe body 1 stably.

Referring to fig. 2, a conical surface sleeve 16 sleeved outside the corrugated tube body 1 is disposed between the pressing sleeve 10 and the snap ring 5, a tip of the conical surface sleeve 16 faces the pressing sleeve 10, an included angle between an inclined side wall of the conical surface sleeve 16 and a horizontal plane is fifteen degrees, and the inclined side wall of the conical surface sleeve 16 is matched with an inner wall of the pressing sleeve 10. An embedded block 8 is integrally formed on the side wall of the semicircular ring 6 far away from the anti-backing sleeve 2, and an embedded hole 17 matched with the embedded block 8 is formed in the conical surface sleeve 16. Through the design of caulking hole 17 and abaculus 8, conical surface cover 16 can retrain into snap ring 5 with two semicircle rings 6, conveniently overlaps two semicircle rings 6 in stopping set 2 with whole form.

The installation process of the stainless steel corrugated pipe is as follows: firstly, sleeving a stop sleeve 2 on a corrugated pipe body 1; secondly, sleeving the two semicircular rings 6 at the wave crests of the corrugated pipe body 1, wherein the wave crests are the third wave crests away from the port of the corrugated pipe body 1; thirdly, sleeving the conical surface sleeve 16 on the corrugated pipe body 1, and completely embedding the embedded block 8 into the embedded hole 17; fourthly, embedding the sealing ring 15 into the annular groove 11, and sleeving the adapter inner tube 9 into the corrugated tube body 1; and fifthly, fixing the switching outer tube 12 immovably, and rotating the stopping sleeve 2 to enable the switching outer tube 12 to be in threaded connection with the stopping sleeve 2 until the switching outer tube 12 cannot be rotated.

In the process of screw thread connection of the switching outer tube 12 and the retaining sleeve 2, the switching inner tube 9 is arranged on the inner wall of the corrugated tube body 1 for supporting, the outer wall of the corrugated tube body 1 is restrained by the conical surface sleeve 16, under the combined action of the switching inner tube 9 and the conical surface sleeve 16, the port opening tubular structure of the corrugated tube body 1 can be well maintained, deformation of the port opening of the corrugated tube body 1 is avoided, meanwhile, the sealing ring 15 extrudes the port of the corrugated tube body 1, the pressing sleeve 10 and the corrugated tube body 1 form a good sealing structure, and leakage of fluid in the corrugated tube body 1 is avoided. The inner wall extrusion of pressing sleeve 10 acts on conical surface cover 16 for conical surface cover 16 and stopping cover 2 centre gripping semicircle ring 6 jointly, have improved the stability that snap ring 5 installed on bellows body 1.

Referring to fig. 1, the screw thread groove 13 may be formed in an outer wall of the adapting inner tube 9, and the screw thread groove 13 may also be formed in an inner wall (not shown) of the adapting inner tube 9, that is, the adapting inner tube 9 is screwed with the water pipe connector through the screw thread groove 13, so as to rapidly install the corrugated tube body 1 and the water pipe connector.

Since the inner wall of the pressing sleeve 10 is expanded toward the conical sleeve 16, in order to improve the structural strength of the pressing sleeve 10, referring to fig. 3, reinforcing ribs 14 are integrally formed between the pressing sleeve 10 and the adapting outer tube 12, the reinforcing ribs 14 are triangular, and the reinforcing ribs 14 are annularly and equidistantly distributed along the end wall of the adapting outer tube 12.

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 but stainless steel bellows of quick installation, includes bellows body (1), its characterized in that: the periphery of the corrugated pipe body (1) is sleeved with a backstop sleeve (2) and a snap ring (5), the anti-back sleeve (2) is sleeved with the snap ring (5), the inner wall of the port of the corrugated pipe body (1) is sleeved with an adapting inner pipe (9), a pressing sleeve (10) is fixedly arranged on the outer wall of the switching inner pipe (9), a switching outer pipe (12) which is in threaded connection with the anti-backing sleeve (2) is fixedly arranged on the outer wall of the pressing sleeve (10), an annular groove (11) is formed in the inner wall of the pressing sleeve (10), a sealing ring (15) which is abutted to the port of the corrugated pipe body (1) is embedded in the annular groove (11), a conical surface sleeve (16) sleeved outside the corrugated pipe body (1) is arranged between the pressing sleeve (10) and the clamping ring (5), the tip end of the conical surface sleeve (16) faces the pressing sleeve (10), and the inclined side wall of the conical surface sleeve (16) is matched with the inner wall of the pressing sleeve (10).

2. A quick-install corrugated stainless steel pipe as claimed in claim 1, wherein: the anti-back sleeve (2) is provided with a round hole (3) for accommodating the corrugated pipe body (1), and the anti-back sleeve (2) is provided with a clamping hole (4) for accommodating the clamping ring (5); the aperture of the round hole (3) is larger than the external diameter of the wave crest of the corrugated pipe body (1), and the aperture of the round hole (3) is equal to the minimum aperture of the clamping hole (4).

3. A quick-install corrugated stainless steel pipe as claimed in claim 1, wherein: the clamping ring (5) is a circular ring body formed by oppositely splicing two semicircular rings (6), and a semicircular groove (7) matched with the wave crest of the corrugated pipe body (1) is formed in the inner wall of each semicircular ring (6).

4. A quick-install corrugated stainless steel pipe as claimed in claim 3, wherein: the lateral wall of the semicircular ring (6) far away from the backstop sleeve (2) is integrally formed with an embedded block (8), and the conical surface sleeve (16) is provided with an embedded hole (17) matched with the embedded block (8).

5. A quick-install corrugated stainless steel pipe as claimed in claim 1, wherein: a screw thread groove (13) is formed in one end, far away from the corrugated pipe body (1), of the switching inner pipe (9); the inclined side wall of the conical surface sleeve (16) forms an included angle of fifteen degrees with the horizontal plane.

6. A quick-install corrugated stainless steel pipe as claimed in claim 1, wherein: the pressing sleeve (10) and the adapter outer pipe (12) are provided with reinforcing ribs (14) therebetween, the reinforcing ribs (14) are triangular, and the reinforcing ribs (14) are distributed in an annular shape at equal intervals along the end wall of the adapter outer pipe (12).