CN218935563U

CN218935563U - Cutting ferrule type joint composite lock ring

Info

Publication number: CN218935563U
Application number: CN202023293370.9U
Authority: CN
Inventors: 黄志勇; 唐兴殿; 吴军峰; 吴祖坤
Original assignee: Zhengzhou Sanki Petroleum Equipment Manufacturing Co ltd
Current assignee: Zhengzhou Sanki Petroleum Equipment Manufacturing Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2023-04-28
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a clamping sleeve type joint composite lock ring which comprises a plastic framework clamped between a clamping sleeve type joint and a locking nut, wherein the plastic framework is in a major arc shape, an inward protruding bulge is arranged on the inner wall side of the plastic framework, the bulge is clamped and matched with a groove formed in the outer wall of a rigid pipeline, the major arc-shaped plastic framework comprises a radial compression joint section and a composite clamping section which are integrally arranged, the diameter of the composite clamping section is larger than that of the radial compression joint section, the radial compression joint section is in compression joint fit with the axial inner annular surface of the locking nut, and the composite clamping section is clamped between the radial annular surface of the locking nut and the end surface of the clamping sleeve type joint. The radial compression joint section not only realizes radial compression joint locking, but also is convenient for guiding installation of the locking nut; the composite clamping section and the locking nut are matched with each other by adopting conical surfaces, so that radial compression joint is realized, axial clamping can be realized, and the reliability of cable fixation is fully ensured.

Description

Cutting ferrule type joint composite lock ring

Technical Field

The utility model relates to the technical field of ferrule type connectors, in particular to a composite lock ring of a ferrule type connector.

Background

In the production process of the oiling machine, the clamping sleeve type joint lock ring is hard to install, difficult to operate, poor in resettability after installation, easy to damage and high in requirement on operator skills; and the processing difficulty is high, the working procedures are more, the processing efficiency is low, and the processing cost and the production cost are increased intangibly.

Therefore, there is a need to develop a lock ring that satisfies the tensile strength of the original ferrule-type connector, locks the metal pipe firmly, and improves the elasticity and the resettability.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a clamping sleeve type joint composite lock ring, which solves the technical problems of the existing clamping sleeve type joint that the installation is laborious and difficult to operate, the damage is easy to cause due to poor resettability after the installation, the requirement on the skill of an operator is high, the processing difficulty is high, the working procedures are multiple, the processing efficiency is low, and the cost is high.

The technical scheme of the utility model is realized as follows: the utility model provides a compound lock collar of cutting ferrule formula joint, includes the plastics skeleton of joint between cutting ferrule formula joint and lock nut, the plastics skeleton is whole to be the major arc form, and the inner wall side of plastics skeleton is provided with inwards convex arch, and the recess joint cooperation of seting up of arch and rigid pipeline outer wall, the plastics skeleton of major arc form is including radial crimping section and the compound joint section of integrative setting, and the diameter of compound joint section is greater than the diameter of radial crimping section, and radial crimping section and lock nut's axial inner ring face crimping cooperation, compound joint section joint is between lock nut's radial anchor ring and cutting ferrule formula joint's terminal surface.

The bulges are arranged continuously in a major arc shape along the inner wall of the material framework.

And stainless steel wire inserts are inlaid in the protrusions.

The stainless steel wire insert is provided with two sections and is symmetrically arranged about the opening of the plastic framework.

The radial crimping section is cylindric, and protruding setting is at the inner wall face of compound joint section, and compound joint section's outer wall face includes first conical surface, and lock nut's radial anchor ring includes the second conical surface, first conical surface and second conical surface crimping cooperation.

The end part of the composite clamping section, which is away from the radial compression joint section, is parallel to the end part of the clamping sleeve type connector.

The utility model not only has an open-type design and is convenient to install and disassemble, but also enables the stainless steel wire insert to wrap the plastic framework by the injection molding grinding tool to form a whole, improves the elasticity and the resetting property of the lock ring, and can meet the anti-clamping strength of the joint and the pipeline; in addition, the radial compression joint section not only realizes radial compression joint locking, but also is convenient for guiding installation of the locking nut; the composite clamping section and the locking nut are matched with each other by adopting conical surfaces, so that radial compression joint is realized, axial clamping can be realized, and the reliability of cable fixation is fully ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model, the drawings that are required for the description of the embodiments will be briefly described below, it being apparent that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is an application state diagram of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a right side view of FIG. 1;

FIG. 4 is a cross-sectional view taken along the A-A plane in FIG. 3;

fig. 5 is a cross-sectional view of the B-B plane of fig. 2.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a compound lock collar of cutting ferrule formula joint, as shown in fig. 1, includes the plastics skeleton 1 of joint between cutting ferrule formula joint 3 and lock nut 2. As shown in fig. 2, the plastic framework 1 is in a major arc shape, and can be conveniently installed on or removed from the rigid pipeline 4. As shown in fig. 1 and fig. 2, the inner wall side of the plastic framework 1 is provided with an inward protruding protrusion 103, the protrusion 103 is arranged continuously in a major arc along the inner wall of the material framework 1, and the protrusion 103 is in clamping fit with a groove 401 formed in the outer wall of the rigid pipeline 4.

As shown in fig. 3 and 5, the major arc-shaped plastic skeleton 1 includes a radial crimping section 101 and a composite clamping section 102 which are integrally arranged, the diameter of the composite clamping section 102 is larger than that of the radial crimping section 101, the radial crimping section 101 is in press fit with an axial inner annular surface 201 of the lock nut 2, and the composite clamping section 102 is clamped between a radial annular surface 202 of the lock nut 2 and an end surface of the ferrule-type connector 3.

Specifically, the radial compression joint section 101 is cylindrical, the protrusion 103 is disposed on an inner wall surface of the composite clamping section 102, an outer wall surface of the composite clamping section 102 includes a first conical surface 105, and the radial annular surface 202 of the lock nut 2 includes a second conical surface, and the first conical surface 105 is in compression joint with the second conical surface. The end of the composite clamping section 102 facing away from the radial crimp section 101 is parallel to the end of the ferrule-type fitting 3.

As shown in fig. 4, the stainless steel wire insert 104 is embedded in the protrusion 103, the stainless steel wire insert 104 is provided with two sections and symmetrically arranged with respect to the opening of the plastic skeleton 1, and the round surface of the stainless steel wire insert 104 is the same as the round surface of the entire protrusion 103.

The present utility model is not limited to the conventional technical means known to those skilled in the art.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a compound lock collar of cutting ferrule formula joint, includes joint plastic skeleton (1) between cutting ferrule formula joint (3) and lock nut (2), its characterized in that: the plastic framework (1) is wholly in a major arc shape, an inward protruding protrusion (103) is arranged on the inner wall side of the plastic framework (1), the protrusion (103) is matched with a groove (401) formed in the outer wall of the rigid pipeline (4) in a clamping mode, the major arc-shaped plastic framework (1) comprises a radial crimping section (101) and a composite clamping section (102) which are integrally arranged, the diameter of the composite clamping section (102) is larger than that of the radial crimping section (101), the radial crimping section (101) is in press fit with an axial inner annular surface (201) of the locking nut (2), and the composite clamping section (102) is clamped between a radial annular surface (202) of the locking nut (2) and the end face of the clamping sleeve type joint (3).

2. The ferrule-type joint composite lock collar according to claim 1, wherein: the bulges (103) are arranged continuously in a major arc shape along the inner wall of the plastic framework (1).

3. The ferrule-type joint composite lock collar according to claim 2, wherein: the stainless steel wire insert (104) is inlaid in the bulge (103).

4. A ferrule-type joint composite lock collar as in claim 3, wherein: the stainless steel wire insert (104) is provided with two sections and is symmetrically arranged about the opening of the plastic framework (1).

5. The ferrule-type joint composite lock collar according to any one of claims 1 to 4, wherein: the radial crimping section (101) is cylindric, and protruding (103) set up the internal face at compound joint section (102), and the external wall face of compound joint section (102) includes first conical surface (105), and radial anchor ring (202) of lock nut (2) includes the second conical surface, first conical surface (105) and second conical surface crimping cooperation.

6. The ferrule-type joint composite lock collar according to claim 5, wherein: the end of the composite clamping section (102) facing away from the radial compression section (101) is parallel to the end of the ferrule-type connector (3).