CN212251612U

CN212251612U - Stainless steel corrugated pipe connecting device

Info

Publication number: CN212251612U
Application number: CN202021003427.4U
Authority: CN
Inventors: 王靖崇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2020-12-29
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a bellows connection technology field specifically is a stainless steel corrugated pipe connecting device, sets up four slots that are equidistance annular distribution on the screw thread, hexagonal prism section is through realizing connection function in the connecting piece precession screw thread, the connecting piece cup joints the department with the screw thread and is provided with the snap ring, the snap ring is the annular structure that forms by two semicircle ring laminatings, the snap ring is still including connecting two bosss that correspond with the slot on the semicircle ring lateral wall, the boss is the inclined plane structure of convenient business turn over slot along snap ring axial direction's both ends. Through the snap ring that two semicircle rings and boss above that formed, the boss has the guide effect, prevents to twist because of the connecting piece and revolves soon the annular movement that appears, makes things convenient for the slot on the business turn over screw thread, and two semicircle rings are held tightly when folding when the one end of bellows cup joint section adopts the inclined plane and are done all can the reinforce, promote the stability of connecting, and sealed pad and sealing ring realize corrugated hose's leakproofness, have very strong practicality.

Description

Stainless steel corrugated pipe connecting device

Technical Field

The utility model relates to a bellows joint technical field specifically is a stainless steel corrugated pipe connecting device.

Background

Along with the rapid development of society, the use of gas is also more and more, all need the air duct in the use of gas, all be equipped with the joint between adjacent air duct, prior art's air duct adopts screw thread lug connection in the in-service use process mostly, it though can connect, in-service use, its sealing performance is relatively poor, adopt rubber seal simultaneously, be difficult to fix a position and shift easily, be difficult to guarantee sealing performance, and adopt screw thread lug connection, because the air duct internal gas pressure is great, cause the gas leakage easily in the in-service use process, the suitability receives the influence to a certain extent, be difficult to satisfy the demand in market, for this, we propose a stainless steel bellows connecting device.

Disclosure of Invention

An object of the utility model is to provide a stainless steel corrugated pipe connecting device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a stainless steel bellows connecting device, includes the connecting seat, the connecting seat includes the bellows cup joints the section and cup joints fashioned hexagonal prism section of section integration with the bellows, one section inner chamber that the bellows cup jointed the section is kept away from to hexagonal prism section is connected with the screw thread, sets up four slots that are equidistance annular distribution on the screw thread, hexagonal prism section is through realizing connection function in the connecting piece precession screw thread, the connecting piece cup joints the department with the screw thread and is provided with the snap ring, the snap ring is the loop configuration who forms by two semicircle laminating, the snap ring still includes two bosss that correspond with the slot of connecting on the semicircle lateral wall, the boss is the inclined plane structure that makes things convenient for the business turn over slot along snap ring axial direction's both ends, the inside wall that the bellows cup jointed the section and is close to hexagonal prism section.

Preferably, a corrugated hose is inserted in the corrugated pipe sleeving section, a layer of plastic sheath is sleeved on the corrugated hose, and a plurality of air guide grooves are uniformly distributed on the inner wall of the plastic sheath.

Preferably, the bellows cup joints the inside wall that the section kept away from hexagonal prism section one end and has seted up the seal groove of placing sealed pad, sealed pad in the seal groove forms sealedly with the laminating of plastics sheath surface.

Preferably, a leakage hole is formed in a section, located between the sealing groove and the hexagonal prism section, of the corrugated pipe sleeving section.

Preferably, a sealing ring is padded between one end of the corrugated hose positioned in the corrugated pipe sleeving section and one end of the connecting piece screwed into the thread.

Compared with the prior art, the beneficial effects of the utility model are that: this stainless steel corrugated pipe connecting device, snap ring through two semicircle rings and boss formation above that, the boss has the guide effect, prevent to twist soon because of the connecting piece and appear the hoop removal, the inclined plane structure of boss, make things convenient for the slot on the business turn over screw thread, and simultaneously, when the one end of bellows cup joint section adopts the slope face two semicircle rings fold the time the power of hugging closely stronger, promote the stability of connection, it is more firm, sealed pad and sealing ring realize the leakproofness of bellows, the setting of leak hole, cause the gas to leak when the bellows is damaged, the gas of leaking flows to the connecting seat at both ends along the air guide groove on the plastic sheath, discharge from leaking the leak hole, promote the security performance, and has very strong practicality.

Drawings

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

FIG. 2 is a schematic side view of the hexagonal prism section of the present invention;

fig. 3 is a schematic view of the snap ring structure of the present invention.

Fig. 4 is an enlarged structure schematic diagram of the cross section a-a of the present invention.

In the figure: the connecting device comprises a connecting seat 1, a corrugated pipe socket joint section 11, a leakage hole 111, a sealing groove 112, a slope surface 113, a hexagonal prism section 12, threads 121, a groove 122, a corrugated hose 2, a plastic sheath 21, a clamping ring 3, a semicircular ring 31, a boss 32, a connecting piece 4 and a sealing ring 5.

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 stainless steel corrugated pipe connecting device, including connecting seat 1, connecting seat 1 includes bellows socket joint section 11 and cup joints 11 integrated fashioned hexagonal prism section 12 with the bellows, one section inner chamber that bellows socket joint section 11 was kept away from to hexagonal prism section 12 is connected with screw thread 121, set up four slot 122 that are equidistance annular distribution on the screw thread 121, realize connection function in hexagonal prism section 12 precession screw thread 121 through connecting piece 4, connecting piece 4 is provided with snap ring 3 with screw thread 121 cup joints, snap ring 3 is the loop configuration who is laminated and form by two semicircle rings 31, snap ring 3 is still including connecting two bosss 32 that correspond with slot 122 on semicircle 31 lateral wall, boss 32 is the inclined plane structure that makes things convenient for business turn over slot 122 along 3 axial direction's of snap ring both ends, bellows socket joint section 11 is close to the inside wall of hexagonal prism section 12 one end and is the slope 113 that makes things convenient for snap ring 3 to get into.

Bellows sleeve section 11 interpolation has connect bellows 2, the cover is equipped with one deck plastics sheath 21 on the bellows 2, the inner wall evenly distributed of plastics sheath 21 has a plurality of air guide grooves, bellows sleeve section 11 is kept away from the inside wall of hexagonal section 12 one end and is offered the sealed seal groove 112 of placing sealed pad, sealed pad in the seal groove 112 forms sealedly with the laminating of plastics sheath 21 surface, bellows sleeve section 11 is located one section between seal groove 112 and the hexagonal section 12 and has seted up leak hole 111, it has sealing ring 5 to fill up between the one end that bellows 2 is located bellows sleeve section 11 and the one end in connecting piece 4 precession screw thread 121.

This stainless steel corrugated pipe connecting device, snap ring 3 through two semicircle rings 31 and boss 32 formation on it, boss 32 has the guide effect, prevent to twist because of connecting piece 4 and twist the toroidal movement that appears, boss 32's inclined plane structure, slot 122 on the convenient business turn over screw, and simultaneously, when corrugated pipe cup joints section 11's one end adopts slope 113, it is stronger to embrace the power of tightly when two semicircle rings 31 fold, promote the stability of connecting, it is more firm, sealed pad and sealing ring 5 realize the leakproofness of corrugated hose 2, the setting of leak opening 111, cause the gas to leak when corrugated hose 2 is damaged, the gas of leaking flows to the connecting seat 1 at both ends along the air guide groove on the plastic sheath 21, discharge from leak opening 111, promote the security performance, have very strong practicality.

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 stainless steel corrugated pipe connecting device, includes connecting seat (1), its characterized in that: the connecting seat (1) comprises a corrugated pipe sleeving section (11) and a hexagonal column section (12) integrally formed with the corrugated pipe sleeving section (11), wherein a section of inner cavity of the hexagonal column section (12) far away from the corrugated pipe sleeving section (11) is connected with threads (121), four grooves (122) which are distributed in an equidistant annular mode are formed in the threads (121), the hexagonal column section (12) is screwed into the threads (121) through a connecting piece (4) to achieve a connecting function, a clamping ring (3) is arranged at the sleeving position of the connecting piece (4) and the threads (121), the clamping ring (3) is an annular structure formed by two semicircular rings (31) in a laminating mode, the clamping ring (3) further comprises two bosses (32) which are connected to the outer side wall of the semicircular rings (31) and correspond to the grooves (122), and the bosses (32) are inclined plane structures which facilitate the grooves (122) to pass in and out along the two ends of the axial direction of the clamping, the inner side wall of one end, close to the hexagonal prism section (12), of the corrugated pipe sleeving section (11) is a slope surface (113) which is convenient for the snap ring (3) to enter and realize folding and holding.

2. A corrugated stainless steel tubing connection as claimed in claim 1 wherein: corrugated hose (2) is inserted in corrugated pipe sleeving section (11), a layer of plastic sheath (21) is sleeved on corrugated hose (2), and a plurality of air guide grooves are uniformly distributed on the inner wall of plastic sheath (21).

3. A corrugated stainless steel tubing connection as claimed in claim 2 wherein: bellows cup joint section (11) are kept away from the inside wall of hexagonal prism section (12) one end and are offered seal groove (112) of placing sealed pad, sealed pad in seal groove (112) forms sealedly with the laminating of plastics sheath (21) surface.

4. A corrugated stainless steel tubing connection as claimed in claim 3 wherein: the corrugated pipe sleeving section (11) is provided with a leakage hole (111) at a section between the sealing groove (112) and the hexagonal prism section (12).

5. A corrugated stainless steel tubing connection as claimed in claim 4, wherein: and a sealing ring (5) is padded between one end of the corrugated hose (2) positioned in the corrugated pipe sleeving section (11) and one end of the connecting piece (4) screwed into the thread (121).