CN216692632U

CN216692632U - Novel threaded connection pull return bend

Info

Publication number: CN216692632U
Application number: CN202122718841.4U
Authority: CN
Inventors: 张勇弟
Original assignee: Fujian Mingtai Sanitary Ware Co ltd
Current assignee: Fujian Mingtai Sanitary Ware Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-07
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a novel threaded connection drawing bent pipe which structurally comprises a bent pipe water outlet, a connecting internal thread, a bent pipe main body, an internal connecting ring and a base, wherein the top of the bent pipe main body is provided with the bent pipe water outlet, the connecting internal thread is arranged inside the bent pipe water outlet and matched with the internal connecting ring, the base is arranged at the bottom of the bent pipe main body, and the internal connecting ring is arranged, so that a threaded part which is not covered by threads of an externally connected pipeline can be covered by all threads of the internal connecting ring, therefore, the condition that silt and microorganisms exceed the standard in the threads is avoided, the use safety is improved, meanwhile, the lower end of the bent pipe is attached to the inner wall of the pipeline by a rubber ring, the condition that the bent pipe is difficult to install is avoided, the use reliability and stability are improved, and the use range of equipment is also improved.

Description

Novel threaded connection pull return bend

Technical Field

The utility model relates to the field of kitchen and bathroom equipment, in particular to a novel threaded connection drawing bent pipe.

Background

Currently, chinese patent No.: CN201721182602.9 discloses a supporting drain pipe, including drainage body, the inoxidizing coating of cladding at the drainage body surface, the inoxidizing coating is including wearing the protective tube of cover on drainage body surface and the disconnected netting of preventing of embedded protective tube, the one end of drainage body is equipped with the peg graft pipe, and the other end is equipped with the carrier pipe that is used for accepting the grafting section, and the drainage body adopts the inoxidizing coating to provide the protection, and the inoxidizing coating adopts the protective tube to wear set drainage body to there is the disconnected netting of preventing at the intraductal embedding of protective tube, improve the protective capacities of protective tube, avoid it to be broken in the use, prolong its life. The water drainage system has the advantages that the water drainage system is prevented from falling off after being connected by the water drainage pipes, has certain filtering performance, can better remove impurities, is convenient to construct in the early stage and maintain in the later stage in the installation and use processes, improves the construction efficiency, improves the safety and the reliability of the water drainage system, and has good water flow smooth drainage effect. However, in the prior art, in the actual use process, a part of the internal thread connecting part of the pipeline which is not completely used is still provided with a plurality of grooves, so that the problems of pipeline pollution and water quality reduction caused by silting are easily caused.

SUMMERY OF THE UTILITY MODEL

Therefore, aiming at the problems, the utility model provides a novel threaded connection drawing elbow, which solves the technical problems that in the prior art, an incompletely used part of an internal threaded connection part of a pipeline still exists in the actual use process, and the part is provided with a plurality of grooves, so that siltation is easily generated to cause pipeline pollution and water quality reduction.

In order to achieve the purpose, the utility model adopts the following technical scheme: a novel threaded connection pull elbow structurally comprises an elbow water outlet, a connection internal thread, an elbow main body, an internal connection ring and a base, wherein the elbow water outlet is formed in the top of the elbow main body, a connection internal thread is formed in the elbow water outlet, the connection internal thread is matched with the internal connection ring, the base is arranged at the bottom of the elbow main body, the internal connection ring comprises an internal connection ring water passing hole, a metal support ring main body, a connection external thread, a middle connecting rod, a rubber ring and an upper bayonet, the internal connection ring water passing hole is formed in the metal support ring main body, the connection external thread is arranged on the outer surface of the metal support ring main body and matched with the connection internal thread, the middle connecting rod is arranged in the middle of the metal support ring main body, the rubber ring connecting rod is arranged at the bottom of the metal support ring main body, the rubber ring connecting rod is fixedly connected with the rubber ring, and the rubber ring connecting rod is arranged inside the rubber ring.

Furthermore, the diameter of the middle connecting rod is 1-2mm, two ends of the middle connecting rod are fixedly connected with the inner surface of the metal support ring main body, and the middle connecting rod is fixedly connected with the metal support ring main body through welding.

Furthermore, the position of the middle connecting rod and the diameter of the water through hole of the inner connecting ring are at the same position.

Furthermore, the whole rubber ring is of a tubular structure with the lower part slightly expanded outwards, the upper end face of the rubber ring is fixedly connected with the bottom face of the metal support ring main body, and the diameter of the lower end face of the rubber ring is 2-10% larger than that of the upper end face of the rubber ring.

Furthermore, the rubber ring is made of butadiene rubber.

Further, the thickness of the rubber ring is 3-5 mm.

Furthermore, the top surface of the metal support ring main body is provided with an upper bayonet used for being screwed with an external pipeline in a matching manner.

By adopting the technical scheme, the utility model has the beneficial effects that: this novel threaded connection pull return bend has improved prior art and still has the internal thread connection portion of pipeline in the in-service use process and has had the part that does not have the complete use, this part has a plurality of recesses, the siltation leads to the condition that pipeline pollution and quality of water descend to produce easily, through setting up the in-connection ring, can use the screw thread part that the screw thread of the pipeline of external connection does not have the screw thread all that the in-connection ring covered it, thereby avoid producing the condition that silt sum and microorganism exceed standard in the screw thread, the security of using has been improved, the lower extreme adopts rubber ring and pipeline inner wall laminating simultaneously, the condition of being difficult to the installation that the return bend leads to is avoided, the reliability and the stability of using have been improved, the application range of equipment has also been improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the inner link ring of the present invention.

In the figure: 1. a water outlet of the elbow; 2. connecting the internal threads; 3. a bend pipe main body; 4. an inner connecting ring; 5. A base; 11. the inner connecting ring is provided with a water through hole; 12. a metal support ring body; 13. connecting external threads; 14. A middle connecting rod; 15. a rubber ring connecting rod; 16. a rubber ring; 17. and an upper bayonet.

Detailed Description

The utility model will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1-2, the present embodiment provides a novel threaded connection pull elbow, the structure of which includes an elbow water outlet 1, an internal connection thread 2, an elbow main body 3, an internal connection ring 4, and a base 5, the top of the elbow main body 3 is provided with the elbow water outlet 1, the internal connection thread 2 is provided inside the elbow water outlet 1, the internal connection thread 2 is matched with the internal connection ring 4, the bottom of the elbow main body 3 is provided with the base 5, the internal connection ring 4 includes an internal connection ring water through hole 11, a metal support ring main body 12, an external connection thread 13, a middle connection rod 14, a rubber ring connection rod 15, a rubber ring 16, and an upper bayonet 17, the internal connection ring water through hole 11 is provided inside the metal support ring main body 12, the external connection thread 13 is provided on the outer surface of the metal support ring main body 12, the external connection thread 13 is matched with the internal connection thread 2, the middle part of metal support ring main part 12 sets up middle part connecting rod 14, the bottom of metal support ring main part 12 sets up rubber ring connecting rod 15, rubber ring connecting rod 15 and rubber ring 16 fixed connection, the inside of rubber ring 16 is located to rubber ring connecting rod 15.

The diameter of the middle connecting rod 14 is 1-2mm, two ends of the middle connecting rod 14 are fixedly connected with the inner surface of the metal support ring main body 12, and the middle connecting rod 14 is fixedly connected with the metal support ring main body 12 through welding.

The position of the middle connecting rod 14 is the same as the diameter of the inner connecting ring water through hole 11.

The rubber ring 16 is integrally of a tubular structure with a slightly expanded lower part, the upper end face of the rubber ring 16 is fixedly connected with the bottom face of the metal support ring main body 12, and the diameter of the lower end face of the rubber ring 16 is 2-10% larger than that of the upper end face.

The rubber ring 16 is made of butadiene rubber.

The thickness of the rubber ring 16 is 3-5 mm.

The top surface of the metal support ring main body 12 is provided with an upper bayonet 17 for matching and screwing with an external pipeline.

This novel threaded connection pull return bend has improved prior art and still has the internal thread connection portion of pipeline in the in-service use process and has had the part that does not have the complete use, this part has a plurality of recesses, the siltation leads to the condition that pipeline pollution and quality of water descend to produce easily, through setting up in-connection ring 4, can use the screw thread part that the screw thread of the pipeline of external connection does not have the screw thread all of in-connection ring 4 to cover it, thereby avoid producing the condition that silt sum and microorganism exceed standard in the screw thread, the security of using has been improved, the lower extreme adopts rubber ring 16 and the laminating of pipeline inner wall simultaneously, the condition of being difficult to the installation that avoids the return bend to lead to, the reliability and the stability of using have been improved, the application range of equipment has also been improved.

While there have been shown and described what are at present considered the fundamental principles and essential features of the utility model and its advantages, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel threaded connection pull return bend which characterized in that: the structure of the metal support ring comprises a bent pipe water outlet, a connecting internal thread, a bent pipe main body, an internal connecting ring and a base, wherein the bent pipe water outlet is arranged at the top of the bent pipe main body, the internal connecting thread is arranged inside the bent pipe water outlet and is matched with the internal connecting ring, the base is arranged at the bottom of the bent pipe main body, the internal connecting ring comprises an internal connecting ring water passing hole, a metal support ring main body, a connecting external thread, a middle connecting rod, a rubber ring and an upper bayonet, the internal connecting ring water passing hole is arranged inside the metal support ring main body, the external surface of the metal support ring main body is provided with the connecting external thread, the connecting external thread is matched with the connecting internal thread, the middle connecting rod is arranged at the middle of the metal support ring main body, the rubber ring connecting rod is arranged at the bottom of the metal support ring main body and is fixedly connected with the rubber ring, the rubber ring connecting rod is arranged inside the rubber ring.

2. The novel threaded connection pull elbow of claim 1, wherein: the diameter of the middle connecting rod is 1-2mm, two ends of the middle connecting rod are fixedly connected with the inner surface of the metal support ring main body, and the middle connecting rod is fixedly connected with the metal support ring main body through welding.

3. The novel threaded connection pull elbow of claim 1, wherein: the position of the middle connecting rod and the diameter of the water through hole of the inner connecting ring are at the same position.

4. The novel threaded connection pull elbow of claim 1, wherein: the rubber ring is integrally of a tubular structure with the lower part slightly expanded outwards, the upper end face of the rubber ring is fixedly connected with the bottom face of the metal support ring main body, and the diameter of the lower end face of the rubber ring is 2-10% larger than that of the upper end face of the rubber ring.

5. The novel threaded connection pull elbow of claim 1, wherein: the rubber ring is made of butadiene rubber.

6. The novel threaded connection pull elbow of claim 1, wherein: the thickness of the rubber ring is 3-5 mm.

7. The novel threaded connection pull elbow of claim 1, wherein: the top surface of the metal support ring main body is provided with an upper bayonet used for being screwed with an external pipeline in a matching manner.