CN214503961U

CN214503961U - SC fiber connector assembly

Info

Publication number: CN214503961U
Application number: CN202120907804.5U
Authority: CN
Inventors: 操质彬; 张维; 柳希麟; 徐磊
Original assignee: Yangtze Optical Fibre and Cable Co Ltd
Current assignee: Yangtze Optical Fibre and Cable Co Ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-10-26
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a SC fiber connector assembly, including lock pin, caudal peduncle, frame, front frame, clamping ring, binding ring, dog and tail cover, caudal peduncle, clamping ring and dog are along the axis to overlap in the front frame in proper order, the upper end of caudal peduncle cup joints with the lock pin, the lower extreme of caudal peduncle cup joints with the upper end of clamping ring, the lower extreme of clamping ring cup joints with the upper end of dog through binding ring, the lower extreme of dog is connected with the tail cover, the front frame cover is located in the frame; the tail sleeve is a metal spring. The quick butt joint with the female head of the corresponding SC optical fiber connector is realized, the outer sheath of the optical cable can be quickly fixed, the flexibility of the optical cable at the tail part of the connector can be kept, and the connector is suitable for various special environments such as ultralow temperature, ultrahigh temperature and irradiation resistance.

Description

SC fiber connector assembly

Technical Field

The utility model relates to a communication sensing technical field, concretely relates to SC fiber connector subassembly.

Background

The optical fiber connector is mainly used for realizing non-permanent fixed connection among equipment, equipment and instruments, equipment and optical fibers in a system, and precisely butting two end faces of the optical fibers so that light energy output by the transmitting optical fiber can be coupled into the receiving optical fiber to the maximum extent.

The tail handle and the tail sleeve of the common optical fiber connector are made of plastic materials, so that the common optical fiber connector is low in price, good in bending property and selectable in color, and is beneficial to marking. The plastic parts can meet the use requirement of the conventional environment at-45-85 ℃, but cannot meet the use requirement of the environment at lower and higher temperature; meanwhile, the plastic material is easy to become brittle, soften and other deactivation phenomena after being aged for a long time under the irradiation environments of ultraviolet irradiation, gamma irradiation and the like, so that the coupling function cannot be maintained, and the attenuation of an optical link is increased and even broken.

Disclosure of Invention

The to-be-solved technical problem of the utility model is, to the above-mentioned defect that prior art exists, provide a SC fiber connector subassembly, realize with the quick butt joint of corresponding SC fiber connector female head, can fix the optical cable oversheath fast and keep the pliability of connector afterbody optical cable to be applicable to various special environment like ultra-low temperature, ultra-high temperature, resistant irradiation.

The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:

an SC fiber connector assembly comprises a ferrule, a tail handle, an outer frame, a front frame, a pressing ring, a bundling ring, a retainer and a tail sleeve, wherein the tail handle, the pressing ring and the retainer are sequentially sleeved in the front frame along an axis; the tail sleeve is a metal spring.

According to the technical scheme, the tail sleeve is a metal spring.

According to the technical scheme, the tail sleeve is formed by sequentially connecting a large cylindrical spring and a small cylindrical spring along the same axis, a gradually-changed special-shaped spring is connected between the large cylindrical spring and the small cylindrical spring, and the large cylindrical spring is connected with the lower end of the retainer.

According to the technical scheme, the tail handle is connected with the front frame through threads or bayonets.

According to the technical scheme, the first spring is connected between the tail handle and the pressing ring.

According to the technical scheme, the tail handle is made of metal.

According to the technical scheme, the outer frame, the front frame, the elastic sheet, the pressing ring and the retainer are all made of metal materials.

According to the technical scheme, the cross sections of the outer frame and the front frame are square.

According to the technical scheme, the material of the ferrule is ceramic.

According to the technical scheme, the outer frame is fixedly connected with the front frame through the positioning pin; the number of the positioning pins is two, and the positioning pins are arranged on two sides side by side.

According to the technical scheme, the lower end of the pressing ring extends into the inner ring of the retainer, and the bundling ring is sleeved between the pressing ring and the retainer.

According to the technical scheme, the compression ring is composed of the large cylindrical ring and the small cylindrical ring which are sequentially connected along the same axis, the large cylindrical ring is sleeved with the tail handle, and the small cylindrical ring is sleeved with the retainer through the bundling ring.

The utility model discloses following beneficial effect has:

the utility model realizes the quick butt joint with the female head of the corresponding SC optical fiber connector, and the metal spring is adopted as the tail sleeve, so that the outer sheath of the optical cable can be quickly fixed, the flexibility of the optical cable at the tail part of the connector can be kept, and the connector is suitable for various special environments such as ultra-low temperature, ultra-high temperature and irradiation resistance; the metal is easy to process, and the cost is not obviously increased; the method is particularly suitable for communication and sensing connecting devices and equipment in various fields such as aviation, aerospace, nuclear power, energy and the like.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an SC fiber connector assembly;

FIG. 2 is an exploded view of an SC fiber optic connector assembly according to an embodiment of the present invention;

in the figure, 1-inserting core, 2-tail handle, 3-first spring, 4-outer frame, 5-front frame, 6-positioning pin, 7-pressing ring, 8-bundling ring, 9-stopper and 10-tail sleeve.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1-2, the present invention provides an embodiment of an SC fiber connector assembly, including a ferrule 1, a tail handle 2, an outer frame 4, a front frame 5, a press ring 7, a retainer ring 8, a retainer 9 and a tail sleeve 10, wherein the tail handle 2, the press ring 7 and the retainer 9 are sequentially sleeved in the front frame 5 along an axis, the upper end of the tail handle 2 is sleeved with the ferrule 1, the lower end of the tail handle 2 is sleeved with the upper end of the press ring 7, the lower end of the press ring 7 is sleeved with the upper end of the retainer 9 through the retainer ring 8, the lower end of the retainer 9 is connected with the tail sleeve 10, and the front frame 5 is sleeved in the outer frame 4; the tail sleeve 10 is a metal spring; the optical fiber passes through the ferrule 1, the tail handle 2, the press ring 7, the bundle ring 8, the retainer 9 and the tail sleeve 10 in sequence.

Furthermore, the upper end of the ferrule 1 is exposed out of the front frame 5 and the outer frame 4, the lower end of the ferrule 1 extends into the front frame 5 from the upper end to be connected with the tail handle 2, and the upper end of the tail sleeve 10 extends into the front frame 5 from the lower end to be connected with the stopper 9.

Further, the tail sleeve 10 is a metal spring; the optical cable outer sheath can be fixed and the flexibility of the optical cable at the tail part of the connector can be kept while the optical cable outer sheath can bear ultralow temperature, ultrahigh temperature and high radiation, and compared with special plastics, the optical cable outer sheath connector has the advantages of good performance, strong applicability, low price and small processing difficulty compared with carbon fiber materials.

Furthermore, the tail sleeve 10 is composed of a large cylindrical spring and a small cylindrical spring which are sequentially sleeved end to end along the same axis, a gradually-changed special-shaped spring is connected between the large cylindrical spring and the small cylindrical spring, and the large cylindrical spring is connected with the lower end of the retainer 9.

Further, the outer wall of the tail handle 2 is connected by a screw thread or a bayonet front frame 5.

Further, a first spring 3 is connected between the tail handle 2 and the pressing ring 7; the first spring 3 is sleeved between the tail handle 2 and the press ring 7.

Furthermore, the tail handle 2 is made of metal; the tail handle 2 needs to be capable of ensuring the fixation between the connector shell and the tail sleeve 10 while tolerating ultra-low temperature, ultra-high temperature and high radiation, has good performance and strong applicability compared with special plastics, is low in price and small in processing difficulty compared with carbon fiber materials, and is not easy to crack compared with glass.

Furthermore, the tail handle 2, the outer frame 4, the front frame 5, the spring plate, the press ring 7 and the stopper 9 are all made of metal materials.

Further, the cross-sections of the outer frame 4 and the front frame 5 are square.

Further, the ferrule 1 is made of ceramic.

Further, the outer frame 4 is fixedly connected with the front frame 5 through a positioning pin 6; the number of the positioning pins 6 is two, and the positioning pins are arranged on two sides side by side.

Further, the lower end of the pressing ring 7 extends into the inner ring of the retainer 9, and the bundling ring 8 is sleeved between the pressing ring 7 and the retainer 9.

Furthermore, the compression ring 7 is composed of a large cylindrical ring and a small cylindrical ring which are sequentially connected along the same axis, the large cylindrical ring is sleeved with the tail handle 2, and the small cylindrical ring is sleeved with the stopper 9 through the binding ring 8.

Furthermore, the outer wall of the outer frame 4 is provided with a positioning groove, and the positioning groove is used for fast butt joint with the corresponding SC optical fiber connector female head.

The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.

Claims

1. An SC fiber connector assembly is characterized by comprising a ferrule, a tail handle, an outer frame, a front frame, a pressing ring, a binding ring, a retainer and a tail sleeve, wherein the tail handle, the pressing ring and the retainer are sequentially sleeved in the front frame along an axis; the tail sleeve is a metal spring.

2. The SC optical fiber connector assembly according to claim 1, wherein the tail sleeve is composed of a large cylindrical spring and a small cylindrical spring connected in series along the same axis, a tapered shaped spring is connected between the large cylindrical spring and the small cylindrical spring, and the large cylindrical spring is connected with a lower end of the retainer.

3. The SC fiber optic connector assembly of claim 1, wherein the tail handle is connected by a threaded or bayonet front frame.

4. The SC fiber optic connector assembly of claim 1, wherein a first spring is connected between the tail handle and the crimp ring.

5. The SC fiber optic connector assembly of claim 1, wherein the tail handle is metal.

6. The SC fiber optic connector assembly of claim 1, wherein the outer frame, the front frame, the resilient tab, the press ring, and the retainer are all metal.

7. The SC fiber optic connector assembly of claim 1, wherein the cross-section of the bezel and the front frame is square.

8. The SC fiber optic connector assembly of claim 1, wherein the ferrule is ceramic.

9. The SC fiber optic connector assembly of claim 1 wherein the frame is fixedly attached to the front frame by a retaining pin.

10. The SC fiber optic connector assembly of claim 1, wherein the lower end of the compression ring extends into the inner ring of the retainer, the collar being disposed between the compression ring and the retainer.