CN218914042U

CN218914042U - Cutting ferrule formula joint Assembly

Info

Publication number: CN218914042U
Application number: CN202023310697.2U
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: 2023-04-25
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses a clamping sleeve type joint assembly, which comprises a composite lock ring, a middle lock ring and a rubber ring, wherein the composite lock ring is clamped between a clamping sleeve type joint and a lock nut, the composite lock ring comprises a plastic framework, the whole 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 arranged on 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 with the axial inner annular surface of the lock nut, the composite clamping section is clamped between the radial annular surface of the lock nut and the middle lock ring, and the rubber ring is in compression joint between the middle lock ring and the end surface of the clamping sleeve type joint. The utility model realizes the quick disassembly and the quick sealing of the clamping sleeve type joint component through the preassembly of the composite lock ring, the crimping of the middle lock ring and the sealing of the rubber ring.

Description

Cutting ferrule formula joint Assembly

Technical Field

The utility model relates to the technical field of ferrule-type connectors, in particular to a ferrule-type connector assembly.

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 resetting property after installation and easy to damage, so that the clamping sleeve type joint is poor in installation convenience 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 locking ring and a sealing assembly matched with the locking ring, which simultaneously satisfy the tensile strength of the original ferrule type connector, firmly lock the metal pipeline and improve the elasticity and the resettability.

Disclosure of Invention

Aiming at the defects in the background art, the utility model provides the clamping sleeve type joint assembly, 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 cutting ferrule formula joint Assembly, includes compound lock ring, middle lock ring and the rubber circle of joint between cutting ferrule formula joint and lock nut, compound lock ring includes the plastics skeleton, 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 that arch and rigidity pipeline outer wall were seted up, the plastics skeleton of major arc form includes radial crimping section and the compound joint section of an organic whole 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 middle lock ring, the rubber circle crimping is between the terminal surface of middle lock ring and cutting ferrule formula joint.

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.

An annular groove connected with the second conical surface is formed in the inner side of the radial annular surface, and the diameter of the annular groove is larger than the maximum diameter of the second conical surface.

The end face of the clamping sleeve type connector is provided with a ring groove, and the rubber ring is clamped in the ring groove.

The inner side of the ring groove is an open structure attached to the outer wall of the rigid pipeline, and the rubber ring is clamped between the outer side wall of the ring groove, the outer wall of the rigid pipeline and the middle locking ring.

The outer peripheral surface of one end of the rubber ring inserted into the annular groove is a conical surface, and the inner annular surface of the outer side wall of the annular groove is also a conical surface.

According to the utility model, the quick disassembly and the quick sealing of the clamping sleeve type joint assembly are realized through the preassembly of the composite lock ring, the crimping of the middle lock ring and the sealing of the rubber ring; the composite lock ring is not only designed to be convenient to install and disassemble, but also the stainless steel wire insert is coated with the plastic framework through the injection molding grinding tool to form a whole, so that the elasticity and the resetting property of the lock ring are improved, and the anti-blocking strength of the joint and the pipeline can be met; 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 a cross-sectional view of an application state of the present utility model;

FIG. 2 is a cross-sectional view of the cage nut of FIG. 1;

FIG. 3 is a cross-sectional view of the ferrule-type fitting of FIG. 1;

FIG. 4 is a front view of the present utility model;

FIG. 5 is a right side view of FIG. 4;

FIG. 6 isbase:Sub>A cross-sectional view of the A-A plane of FIG. 5;

fig. 7 is a cross-sectional view of the B-B plane of fig. 4.

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 clamping sleeve type connector assembly comprises a composite lock ring, a middle lock ring 5 and a rubber ring 6, wherein the composite lock ring is clamped between a clamping sleeve type connector 3 and a lock nut 2, and the composite lock ring comprises a plastic framework 1. 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. 4, 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. 6 and 7, the major arc-shaped plastic skeleton 1 includes a radial crimping section 101 and a composite clamping section 102 which are integrally provided, the diameter of the composite clamping section 102 is larger than that of the radial crimping section 101, and the radial crimping section 101 is in crimping fit with an axial inner annular surface 201 of the lock nut 2. The composite clamping section 102 is clamped between the radial annular surface 202 of the lock nut 2 and the middle lock ring 5, and the rubber ring 6 is pressed between the middle lock ring 5 and the end face of the clamping sleeve 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, the radial annular surface 202 of the lock nut 2 includes a second conical surface 203, and the first conical surface 105 is in compression joint with the second conical surface 203. 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. 7, 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.

As shown in fig. 1-3, an annular groove 204 connected with the second conical surface 203 is arranged on the inner side of the radial annular surface 202, and the diameter of the annular groove 204 is larger than the maximum diameter of the second conical surface 203. The annular groove 204 provides the most space for relief to avoid interference when the second tapered surface 203 pushes the first tapered surface 105 axially.

The end face of the cutting sleeve type joint 3 is provided with a ring groove 301, and the rubber ring 6 is clamped in the ring groove 301. Specifically, the inner side of the ring groove 301 is an open structure attached to the outer wall of the rigid pipeline 4, and the rubber ring 6 is clamped between the outer side wall of the ring groove 301, the outer wall of the rigid pipeline 4 and the middle locking ring 5. The outer peripheral surface of one end of the rubber ring 6 inserted into the ring groove 301 is a conical surface, the inner ring surface 302 of the outer side wall of the ring groove 301 is also a conical surface, and the two conical surfaces are mutually matched, so that the sealing reliability is fully ensured.

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

The present utility model is not limited to the above embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalents and modifications can be made to the above embodiments without departing from the scope of the utility model.

Claims

1. A ferrule-type connector assembly, characterized in that: including joint compound lock ring, middle lock ring (5) and rubber circle (6) between cutting ferrule formula joint (3) and lock nut (2), compound lock ring includes plastics skeleton (1), plastics skeleton (1) wholly is the major arc form, the inner wall side of plastics skeleton (1) is provided with inwards convex arch (103), recess (401) joint cooperation that protruding (103) and rigid line (4) outer wall were seted up, the plastics skeleton (1) of major arc form is including radial crimping section (101) and compound joint section (102) of integrative setting, the diameter of compound joint section (102) is greater than the diameter of radial crimping section (101), radial crimping section (101) and lock nut (2) axial inner ring face (201) press fit, compound joint section (102) joint is between radial anchor ring (202) and middle lock ring (5) of lock nut (2), rubber circle (6) press fit between the terminal surface of middle lock ring (5) and cutting ferrule formula joint (3).

2. The ferrule-type fitting assembly 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 fitting assembly according to claim 2, wherein: the stainless steel wire insert (104) is inlaid in the bulge (103).

4. A ferrule-type fitting assembly according to 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 assembly according to any of claims 1-4, 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) include second conical surface (203), first conical surface (105) and second conical surface crimping cooperation.

6. The ferrule-type fitting assembly of claim 5, wherein: an annular groove (204) connected with the second conical surface (203) is formed in the inner side of the radial annular surface (202), and the diameter of the annular groove (204) is larger than the maximum diameter of the second conical surface (203).

7. The ferrule-type joint assembly according to any of claims 1-4, 6, wherein: the end face of the cutting sleeve type connector (3) is provided with a ring groove (301), and the rubber ring (6) is clamped in the ring groove (301).

8. The ferrule-type fitting assembly according to claim 7, wherein: the inner side of the ring groove (301) is of an open structure attached to the outer wall of the rigid pipeline (4), and the rubber ring (6) is clamped between the outer side wall of the ring groove (301), the outer wall of the rigid pipeline (4) and the middle lock ring (5).

9. The ferrule-type fitting assembly of claim 8, wherein: the outer circumferential surface of one end of the rubber ring (6) inserted into the annular groove (301) is a conical surface, and the inner annular surface (302) of the outer side wall of the annular groove (301) is also a conical surface.