CN112698449A

CN112698449A - Dual-locking LC connector

Info

Publication number: CN112698449A
Application number: CN202011558981.3A
Authority: CN
Inventors: 黎镜锋; 吴俊�; 张小强; 闻炳亮
Original assignee: SHANGHAI TIANCHENG COMMUNICATION TECHNOLOGY CO LTD
Current assignee: SHANGHAI TIANCHENG COMMUNICATION TECHNOLOGY CO LTD
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-04-23

Abstract

The invention discloses a double-locking LC connector, wherein a shell is arranged as an upper shell and a shell body part, one side of the shell body part, which is close to the upper shell, is provided with an elastic sheet, the shell body part is matched with the upper shell and the elastic sheet through a sliding plate, when an upper shell protrusion of the upper shell is abutted to an abutting groove of the sliding plate, an ejecting part on the sliding plate is abutted to an upper protrusion of the elastic sheet, and a lower protrusion of the elastic sheet is abutted to a limiting groove of a Uniboot LC connector body part. At the moment, the upper shell is limited by the sliding plate and cannot be pressed downwards, the elastic sheet of the shell is clamped with the Uniboot LC connector main body, the shell is locked with the Uniboot LC connector main body, and the shell cannot be moved, so that the shell and the Uniboot LC connector main body are prevented from generating relative motion and simultaneously the LC connector is prevented from being pulled out. Therefore, the double-locking LC connector has the advantages of preventing mistaken plugging and high reliability.

Description

Dual-locking LC connector

Technical Field

The invention relates to the technical field of network communication, in particular to a high-reliability double-locking LC connector.

Background

The LC type connector is a kind of optical fiber connector, and is one of Small Form Factor (SFF) connector types because the external size is only half of the SC/ST/FC connector. Since data centers are generally used in high-density wiring environments, LC connectors are widely used in such projects as integrated wiring systems.

In an actual use environment, since a data center is generally a high-density wiring environment, the LC type connector is widely used in a project such as an integrated wiring system. In the use, conventional plug needs the manual joint portion of pressing down, the finger probes into the adapter front side, extract the LC connector, but it is too intensive when the wiring, the plug just has a problem, the adapter that needs the plug, all plug in the connector on the adapter of its upper and lower left and right sides, this kind of wiring environment that is too intensive obviously can't reserve out sufficient space and supply the finger activity, it can make optical fiber splice damage to extract by force, also can lead to around connector and the grafting angle that corresponds the adapter to change, influence data transmission, people usually with the help of other auxiliary operation tools, this has just increased the operation degree of difficulty and maintenance cost, and interfere other fiber channel equally easily when using auxiliary tool, thereby reduce data center reliability. In addition, in the plugging process, due to the high density, the connector is easily plugged by mistake, the reliability of the LC connector is influenced, and the normal operation of the network is influenced.

Therefore, there is a need for an improvement to overcome the deficiencies of the prior art.

Disclosure of Invention

The present invention is directed to solving the problems of the prior art and providing a dual-locking LC connector.

The technical scheme of the invention is as follows:

a double-locking LC connector comprises a shell, a Uniboot LC connector main body part and two LC connector single bodies combined with the Uniboot LC connector main body part; the shell is sleeved on the outer side of the Uniboot LC connector main body part; the LC connector monomer is combined with the Uniboot LC connector main body part through a connecting part; the shell comprises an upper shell and a shell body part, and the upper shell is fixed on the shell body part; an elastic sheet is arranged on one side, close to the upper shell, of the shell body part, an upper bulge is arranged on one side, close to the upper shell, of the elastic sheet, and a lower bulge is arranged on one side, far away from the upper shell, of the elastic sheet; a sliding plate is arranged between the upper shell and the elastic sheet and slides between the upper shell and the elastic sheet along the extension direction of the LC connector monomer; the end part, close to the LC connector monomer, of one side, close to the upper shell, of the sliding plate is provided with a butting groove, and the upper shell is provided with an upper shell protrusion corresponding to the butting groove; one side of the sliding plate, which is close to the elastic sheet, is provided with a jacking part corresponding to the upper bulge, and the Uniboot LC connector main body part is provided with a limiting groove corresponding to the lower bulge; when the sliding plate is inserted into the shell and the abutting groove abuts against the protrusion of the upper shell, the jacking portion abuts against the upper protrusion, the lower protrusion abuts against the limiting groove, the elastic sheet is in a locking state, and the shell and the Uniboot LC connector main body portion are locked relatively.

As a preferable technical solution, a pull rod is disposed at one end of the sliding plate away from the LC connector unit, and the pull rod drives the sliding plate to slide between the upper shell of the outer shell and the elastic sheet.

As a further preferable technical solution, a pull rod protrusion is provided at an end of the pull rod, a slide plate hole is provided on the slide plate corresponding to the pull rod protrusion, and the pull rod protrusion extends into the slide half hole.

As a preferred technical scheme, the LC connector monomer comprises a pressing elastic sheet, a connecting hole is formed in the pressing elastic sheet, a connecting column is arranged on the upper shell corresponding to the connecting hole, and the connecting column is inserted into the connecting hole; one side of the connecting hole close to the shell is provided with a guide inclined plane; when the shell slides away from the LC connector monomer, the connecting column applies pressure to the guide inclined plane to drive the pressing elastic sheet to press downwards.

As a further preferable technical solution, the connection hole is a square hole, and the square hole is disposed to be inclined near the side wall of the housing to form the guide slope.

As a further preferable technical solution, the connecting column is also of a square structure; the connecting column is provided with an adaptive inclined plane corresponding to the guide inclined plane.

As a preferable technical solution, when the sliding plate slides in a direction away from the LC connector monomer, the upper shell protrusion is suspended, the upper protrusion is separated from the jacking portion, the resilient tab is in a free state, the lower protrusion is separated from the limiting groove, and the shell can be separated from the Uniboot LC connector body portion in a direction away from the LC connector monomer along the Uniboot LC connector body portion; after the shell is separated from the Uniboot LC connector main body part, the two LC connector single bodies can be respectively rotated by 180 degrees relative to the Uniboot LC connector main body part through the connecting part, and the shell and the sliding plate can also be rotated by 180 degrees.

As a further preferable technical scheme, the limiting groove comprises two parts which are symmetrical up and down.

According to the double-locking LC connector, the shell is arranged into the upper shell and the shell body part, the elastic sheet is arranged on one side, close to the upper shell, of the shell body part, the sliding plate is matched with the upper shell and the elastic sheet, when the upper shell protrusion of the upper shell abuts against the abutting groove of the sliding plate, the jacking part on the sliding plate abuts against the upper protrusion of the elastic sheet, and the lower protrusion of the elastic sheet abuts against the limiting groove of the Uniboot LC connector body part. At the moment, the upper shell is limited by the sliding plate and cannot be pressed downwards, the elastic sheet of the shell is clamped with the Uniboot LC connector main body, the shell is locked with the Uniboot LC connector main body, and the shell cannot be moved, so that the shell and the Uniboot LC connector main body are prevented from generating relative motion and simultaneously the LC connector is prevented from being pulled out. Therefore, the double-locking LC connector has the advantages of preventing mistaken plugging and high reliability.

Drawings

Fig. 1 is a perspective view of a dual-locking LC connector according to an embodiment of the present invention;

fig. 2 is a sectional view taken along a line a-a in fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

The words "if", as used herein, may be interpreted as "at … …" or "at … …" or "in response to a determination" or "in response to a detection", depending on the context. Similarly, the phrases "if determined" or "if detected (a stated condition or event)" may be interpreted as "when determined" or "in response to a determination" or "when detected (a stated condition or event)" or "in response to a detection (a stated condition or event)", depending on the context.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

Fig. 1 shows a dual-locking LC connector according to an embodiment of the present invention. As shown in fig. 1 and 2, the double-locking LC connector of the present embodiment includes a housing 1, a Uniboot LC connector main body portion 2, and two LC connector single bodies 3 coupled to the Uniboot LC connector main body portion. The shell 1 is sleeved on the outer side of the Uniboot LC connector main body part 2, and the LC connector single body 3 is combined with the Uniboot LC connector main body part 2 through a connecting part. As shown in fig. 2, the housing 1 includes an upper housing 4 and a housing body, the upper housing 4 is fixed to the housing body, a spring 5 is disposed at a position of the housing body close to the upper housing 4, and a gap is formed between the spring 5 and the upper housing 4. The elastic sheet 5 is provided with an upper protrusion 51 at one side close to the upper shell 4, and a lower protrusion 52 at one side far away from the upper shell 4. A sliding plate 6 is arranged in a gap between the upper shell 4 and the elastic sheet 5, and the sliding plate can slide in the gap between the upper shell 4 and the elastic sheet 5 along the extending direction of the LC connector single body 3. One end of the sliding plate 6 near the LC link body 3 is provided with an abutting groove 61 at a side near the upper case 4, and the upper case 4 is provided with an upper case protrusion 41 corresponding to the abutting groove 61. The side of the sliding plate 6 close to the spring 5 is provided with a jacking part 62 corresponding to the upper bulge 51 of the spring 5. The Uniboot LC connector body 2 is provided with a stopper groove 2a corresponding to the lower protrusion 52 of the spring 5. When the slide plate 6 is inserted into the housing 1 and the abutting groove 61 abuts against the upper case projection 41 of the upper case 4, the push-up portion 62 of the slide plate 6 abuts against the upper projection 51 of the elastic piece 5, and at this time, the lower projection 52 of the elastic piece 5 is pushed into the stopper groove 2a of the Uniboot LC connector body 2, and the lower projection 52 abuts against the stopper groove 2a, whereby the elastic piece 5 is locked. The upper case projection 41 of the upper case 4 abuts against the abutment groove 61 of the slide plate 6, and the upper case 4 is not pushed down and is also in a locked state. According to the double-locking LC connector, the upper shell 4, the outer shell and the Uniboot LC connector main body part can be locked at the same time, double locking is achieved, and the LC connector is effectively prevented from being inserted and pulled out mistakenly.

As shown in fig. 2, in order to facilitate the sliding operation of the sliding plate 6 within the housing, one end of the sliding plate 6 remote from the LC connector cell 3 is provided with a pull rod 7. The pull rod 7 drives the sliding plate 6 to slide between the upper shell 4 and the elastic sheet 5 of the shell.

As preferred scheme, the end wood of pull rod 7 is provided with the pull rod and swells, and sliding plate 6 corresponds the pull rod and swells and be provided with the slide plate hole, and the pull rod is protruding to stretch into in the slide plate hole, guarantees that pull rod 7 can effectively drive sliding plate 6 and move.

As shown in fig. 1 and 2, the LC connector unit 3 includes a pressing spring 31, and the pressing spring 31 is provided with a connection hole (not shown). The upper case 4 is provided with a connection post (not shown) corresponding to the connection hole 32, and the connection post is inserted into the connection hole. In this embodiment, two LC connector monomers 3 are provided with connecting holes, so that two connecting columns are provided on the upper shell 4, and the two connecting columns are integrally formed with the upper shell 4. In practical application, one side of the connecting hole close to the shell can be provided with a guide inclined plane. When the sliding plate 6 moves to the side away from the LC connector unit 3, the upper case protrusion 41 of the upper case 4 is suspended, and at this time, the upper case 4 can be moved downward; and the upper protrusion 51 of the elastic sheet 5 is separated from the jacking part 62 of the sliding plate 6, the elastic sheet 5 is in a free state, the lower protrusion 52 of the elastic sheet 5 is separated from the limiting groove 2a of the Uniboot LC connector main body part 2, at this time, the shell 1 and the Uniboot LC connector main body part 2 can generate relative motion, when the shell 1 moves away from the LC connector single body 3, the connecting column applies pressure to the guide inclined plane of the connecting hole, and the pressure drives the pressing elastic sheet 31 to press down, so that the insertion and extraction of the double-locking LC connector are realized.

In practical application, the connection hole of the pressing spring plate 31 of the LC connector single body 3 may be a square hole, and the square hole is obliquely arranged near the side wall of the housing 1 to form a guide inclined plane. Corresponding to the square connecting hole, the connecting column on the upper shell 4 is also in a square structure. Wherein, the spliced pole corresponds the direction inclined plane and also is provided with the adaptation inclined plane. Thereby guarantee that the pulling force of shell effectively applys on the direction inclined plane of connecting hole, guarantee the plug effect.

When the sliding plate 6 moves to the side away from the LC connector unit 3, the upper case protrusion 41 of the upper case 4 is suspended, and at this time, the upper case 4 can be moved downward; and the upper projection 51 of the spring 5 is disengaged from the lifting part 62 of the sliding plate 6, the spring 5 is in a free state, the lower projection 52 of the spring 5 is disengaged from the limiting groove 2a of the Uniboot LC connector main body 2, at this time, the housing 1 and the Uniboot LC connector main body 2 can generate relative movement, and the housing 1 can be separated from the Uniboot LC connector main body 2 in the direction that the Uniboot LC connector main body 2 is away from the LC connector single body 3. After the shell 1 is separated from the Uniboot LC connector main body part 2, the two LC connector monomers 3 can respectively rotate 180 degrees through the connecting part relative to the Uniboot LC connector main body part 2, and after the two LC connector monomers 3 rotate, the shell 1 also rotates 180 degrees to realize the polarity overturning function of the shell drawing type LC connector of the embodiment. In order to ensure that the locking function can still be realized after the shell 1 is turned over, the limiting groove of the Uniboot LC connector main body part 2 comprises two parts which are symmetrical up and down.

In summary, the embodiments of the present invention are merely exemplary and should not be construed as limiting the scope of the invention. All equivalent changes and modifications made according to the content of the claims of the present invention should fall within the technical scope of the present invention.

Claims

1. A dual-locking LC connector, comprising: the Uniboot LC connector comprises a shell, a Uniboot LC connector main body part and two LC connector monomers combined with the Uniboot LC connector main body part; the shell is sleeved on the outer side of the Uniboot LC connector main body part; the LC connector monomer is combined with the Uniboot LC connector main body part through a connecting part; the shell comprises an upper shell and a shell body part, and the upper shell is fixed on the shell body part; an elastic sheet is arranged on one side, close to the upper shell, of the shell body part, an upper bulge is arranged on one side, close to the upper shell, of the elastic sheet, and a lower bulge is arranged on one side, far away from the upper shell, of the elastic sheet; a sliding plate is arranged between the upper shell and the elastic sheet and slides between the upper shell and the elastic sheet along the extension direction of the LC connector monomer; the end part, close to the LC connector monomer, of one side, close to the upper shell, of the sliding plate is provided with a butting groove, and the upper shell is provided with an upper shell protrusion corresponding to the butting groove; one side of the sliding plate, which is close to the elastic sheet, is provided with a jacking part corresponding to the upper bulge, and the Uniboot LC connector main body part is provided with a limiting groove corresponding to the lower bulge; when the sliding plate is inserted into the shell and the abutting groove abuts against the protrusion of the upper shell, the jacking portion abuts against the upper protrusion, the lower protrusion abuts against the limiting groove, the elastic sheet is in a locking state, and the shell and the Uniboot LC connector main body portion are locked relatively.

2. The double-locking LC connector of claim 1, wherein: and a pull rod is arranged at one end of the sliding plate, which is far away from the LC connector monomer, and the pull rod drives the sliding plate to slide between the upper shell of the shell and the elastic sheet.

3. The double-locking LC connector of claim 2, wherein: the end part of the pull rod is provided with a pull rod protrusion, the sliding plate is provided with a sliding plate hole corresponding to the pull rod protrusion, and the pull rod protrusion extends into the sliding half hole.

4. The double-locking LC connector of claim 1, wherein: the LC connector monomer comprises a pressing elastic sheet, a connecting hole is formed in the pressing elastic sheet, a connecting column is arranged on the upper shell corresponding to the connecting hole, and the connecting column is inserted into the connecting hole; one side of the connecting hole close to the shell is provided with a guide inclined plane; when the shell slides away from the LC connector monomer, the connecting column applies pressure to the guide inclined plane to drive the pressing elastic sheet to press downwards.

5. The double-locking LC connector of claim 4, wherein: the connecting hole is a square hole, and the square hole is close to the side wall of the shell and is obliquely arranged to form the guide inclined plane.

6. The double-locking LC connector of claim 5, wherein: the connecting column is also of a square structure; the connecting column is provided with an adaptive inclined plane corresponding to the guide inclined plane.

7. The double-locking LC connector of claim 1, wherein: when the sliding plate slides towards the direction far away from the LC connector monomer, the upper shell protrusion is suspended, the upper protrusion is separated from the jacking part, the elastic sheet is in a free state, the lower protrusion is separated from the limiting groove, and the shell can be separated from the Uniboot LC connector body part along the direction far away from the LC connector monomer of the Uniboot LC connector body part; after the shell is separated from the Uniboot LC connector main body part, the two LC connector single bodies can be respectively rotated by 180 degrees relative to the Uniboot LC connector main body part through the connecting part, and the shell and the sliding plate can also be rotated by 180 degrees.

8. The double-locking LC connector of claim 7, wherein: the limiting groove comprises two parts which are symmetrical up and down.