CN209895028U

CN209895028U - LC fiber connector clamping mechanism and DLC plug

Info

Publication number: CN209895028U
Application number: CN201920570093.XU
Authority: CN
Inventors: 曹合适; 田建伟; 郑伟涛; 杨尚矗; 石晓强; 王金殿
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-03
Anticipated expiration: 2029-04-24

Abstract

The utility model relates to a LC fiber connector fixture, including pressing from both sides the cover and fixing the button shell fragment on pressing from both sides the cover, should press from both sides the cover and include that a side or below open the centre gripping chamber that supplies the entering of LC back cover or at least two transversely set up side by side and side or below open the centre gripping chamber that supplies the entering of LC back cover, every centre gripping chamber includes a pair of relative centre gripping wall body, and every centre gripping wall body inboard is equipped with along the arch or the recess of cavity depth direction extension. The utility model discloses LC fiber connector fixture establishes the centre gripping chamber into trilateral open state, will with the protruding or recess of LC back cover cooperation establish on two relative wall bodies in this centre gripping chamber, just so can get rid of the fixture left and right sides lateral wall, reduce the transverse dimension, when the installation, only need with the back cover from both sides or below push press from both sides in can, it is also comparatively convenient to dismantle.

Description

LC fiber connector clamping mechanism and DLC plug

Technical Field

The utility model belongs to the technical field of the optic fibre interconnection, concretely relates to LC fiber connector fixture.

Background

The existing LC plug clamping mechanism is shown in figure 1, a wedge-shaped bulge is arranged on the inner side wall of the clamping mechanism and matched with an LC rear sleeve groove, a smaller opening is reserved on the lower corner edge of a clamping cavity, and the prior art mainly has the following defects: (1) when the clamping mechanism is assembled, other parts such as the optical cable and the like need to pass through the inner cavity of the clamping mechanism and then can be pushed to the rear sleeve, so that the operation is inconvenient. (2) Because only the lower corner is provided with a dismounting opening, the clamping mechanism can be taken down from the LC plug only by forced dismounting, and the shell is easy to deform or damage by forced dismounting, thereby influencing the reutilization. (3) Because the left side and the right side of the prior art are both provided with side walls, the transverse size of the LC connector can be increased, and the miniaturization development of the plug is influenced.

Disclosure of Invention

The utility model aims at providing a novel LC fiber connector fixture of structure makes it establish the centre gripping chamber into trilateral open state, will establish on two relative wall bodies in this centre gripping chamber with the sand grip of LC back cover cooperation, just so can get rid of the fixture left and right sides lateral wall, reduce the transverse dimension, when the installation, only need with the back cover from both sides or below push can in pressing from both sides, it is also comparatively convenient to dismantle.

The purpose of the utility model and the technical problem to be solved are realized by adopting the following technical scheme. According to the utility model provides a LC fiber connector fixture, including pressing from both sides the cover and fixing the button shell fragment on pressing from both sides the cover, should press from both sides the cover and include that a side or below open the centre gripping chamber that supplies the entering of LC back cover or at least two transversely set up side by side and side or below open the centre gripping chamber that supplies the entering of LC back cover, every centre gripping chamber includes a pair of relative centre gripping wall body, and every centre gripping wall body inboard is equipped with along protruding 5 or recess 6 of cavity depth direction extension.

The purpose of the present invention and the technical problem thereof can be further achieved by the following technical measures.

In the LC optical fiber connector clamping mechanism, the jacket includes two ']' -shaped clamping cavities with open side surfaces and arranged oppositely, and protrusions 5 or grooves 6 extending along the depth direction of the inner cavity are arranged on the inner sides of the upper wall body and the lower wall body of the two clamping cavities.

In the LC optical fiber connector clamping mechanism, the jacket 2 includes at least two n-shaped clamping cavities with open lower portions and arranged side by side, and protrusions 5 or grooves 6 extending along the depth direction of the inner cavity are disposed on the inner sides of the left and right walls of each clamping cavity of the jacket.

In the LC optical fiber connector clamping mechanism, an in-place convex point or an in-place concave point is further disposed on an inner wall of each clamping cavity.

The purpose of the utility model and the technical problem to be solved can be realized by adopting the following technical proposal. According to the utility model provides a DLC plug, be equipped with on the corresponding position of the LC back cover of this plug with protruding or the unsmooth complex recess of recess or arch in the centre gripping intracavity.

In the DLC plug, the inner wall of the clamping cavity is provided with in-place convex points or in-place concave points, and the LC rear sleeve is further provided with in-place concave points or in-place convex points matched with the in-place convex points or in-place concave points in the clamping cavity.

The utility model discloses LC fiber connector fixture compares with prior art and has obvious advantage and beneficial effect. Borrow by above-mentioned technical scheme, the utility model discloses can reach considerable technical advancement and practicality to have the wide use value in the industry, it has following advantage at least:

the utility model discloses LC fiber connector fixture will with the convex strip of LC back cover cooperation move to upper and lower both sides from the left and right sides, just so can get rid of fixture left and right sides lateral wall, reduce horizontal size, when the installation, only need with the back cover from both sides push press from both sides in can, it is also comparatively convenient to dismantle. Because the left side and the right side are not provided with side walls, in order to judge whether the duplex card is matched with the rear sleeve in place or not, in-place salient points are added on the inner cavity wall.

Drawings

FIG. 1 is a schematic structural diagram of a conventional LC fiber connector clamping mechanism;

fig. 2 is a schematic structural view of the LC fiber connector clamping mechanism of the present invention;

fig. 3 is a schematic view of a rotation structure of the LC fiber connector clamping mechanism of the present invention;

fig. 4 is a schematic diagram of an LC rear sleeve structure cooperating with the LC fiber connector clamping mechanism of the present invention;

fig. 5 is a usage status diagram of the LC fiber connector clamping mechanism of the present invention;

fig. 6 is a schematic structural view of an LC fiber connector clamping mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural view of an LC fiber connector clamping mechanism according to another embodiment of the present invention.

[ description of main element symbols ]

1: button spring sheet

2: jacket

3: clamping cavity

5: projection

6: groove

7: in-place salient point

8: in-place pit

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 2-6, which are schematic structural diagrams of various parts of an LC optical fiber connector clamping mechanism according to an embodiment of the present invention, in an embodiment of the present invention, the LC optical fiber connector clamping mechanism includes a key dome 1 and a jacket 2 located below the key dome, the jacket 2 includes two "]" -shaped clamping cavities with open sides and back to back, and protrusions 5 or grooves 6 extending along a depth direction of the inner cavity are disposed on inner sides of upper and lower walls of the two clamping cavities, the protrusions 5 or grooves 6 correspond to the grooves 6 or protrusions 5 on the LC rear cover, so that when the clamping mechanism is used, the reliable connection between the clamping mechanism and the LC rear cover is realized through the concave-convex matching between the protrusions 5 in the inner cavity and the grooves 6 on the LC rear cover or through the concave-convex matching between the grooves 6 in the inner cavity and the protrusions 5 on the LC rear cover. In the embodiment of the present invention, the groove 6 is a dovetail groove or a wedge groove, but is not limited thereto.

The embodiment of the utility model provides an in, still be equipped with bump 7 or the pit 8 that targets in place on two inner chamber wall bodies of pressing from both sides cover 2, the relevant position of the cover is equipped with corresponding pit 8 or the bump 7 that targets in place behind the LC of being connected with it for the accessible is when the installation of cover behind the LC whether targets in place with the cooperation judgement installation of the bump that targets in place the pit.

Referring to fig. 7, in another embodiment of the present invention, the clamping sleeve 2 includes two or more clamping cavities that are opened from top to bottom and are arranged side by side, the inner sides of the left and right walls of each clamping cavity of the clamping sleeve are provided with protrusions 5 or grooves 6 extending along the depth direction of the inner cavity, and the protrusions 5 or grooves 6 correspond to the grooves 6 or protrusions 5 on the LC rear sleeve, so that when the clamping mechanism is used, the reliable connection between the clamping mechanism and the LC rear sleeve is realized through the concave-convex matching between the protrusions 5 in the inner cavity and the grooves 6 on the LC rear sleeve or through the concave-convex matching between the grooves 6 in the inner cavity and the protrusions 5 on the LC rear sleeve. In this embodiment, the clamping cavities are open at the lower side, the longitudinal size of the clamping mechanism can be reduced, and the number of the clamping cavities is not limited to two, so that the clamping requirements of different numbers of connectors can be met.

In another embodiment of the present invention, the jacket 2 comprises a lateral open "]" shaped clamping cavity or a lower open "n" shaped clamping cavity, so that the LC rear cover enters from the lateral side or the lower side, and the inner sides of two opposite clamping walls of the clamping cavity are provided with protrusions or grooves extending along the depth direction of the cavity.

The utility model provides a DLC plug, this plug include behind the LC cover and fixture, wherein fixture is including pressing from both sides cover and button shell fragment, should press from both sides the cover including two trilateral open centre gripping chambeies that are used for centre gripping LC back cover that transversely set up side by side, every centre gripping chamber includes a pair of relative centre gripping wall body for the LC back cover gets into the centre gripping intracavity by side or below, and the inboard of every wall body is equipped with along the arch or the recess that cavity depth direction extends, and still is equipped with the bump that targets in place or the pit that targets in place on the inner wall of every cavity, be equipped with behind the LC with protruding or the unsmooth complex recess or arch of recess in the cavity, and every LC back sheathes in still be equipped with the bump that targets in place or the pit that targets in place complex, realize installing the warning that targets in place through unsmooth matching.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments by the technical spirit of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a LC fiber connector fixture, includes the clamp cover and fixes the button shell fragment on pressing from both sides the cover, its characterized in that: the clamping sleeve comprises a clamping cavity or at least two clamping cavities which are transversely arranged in parallel and the side surface or the lower part of the clamping cavity is opened for the LC rear sleeve to enter, each clamping cavity comprises a pair of opposite clamping wall bodies, and a protrusion (5) or a groove (6) extending along the depth direction of the cavity body is arranged on the inner side of each clamping wall body.

2. The LC fiber optic connector clamping mechanism of claim 1, wherein: the jacket comprises two J-shaped clamping cavities with open side faces and back to back, and protrusions (5) or grooves (6) extending along the depth direction of the inner cavity are arranged on the inner sides of the upper wall body and the lower wall body of the two clamping cavities.

3. The LC fiber optic connector clamping mechanism of claim 1, wherein: the clamping sleeve (2) comprises at least two n-shaped clamping cavities which are open at the lower parts and are arranged in parallel, and protrusions (5) or grooves (6) extending along the depth direction of the inner cavity are arranged on the inner sides of the left wall body and the right wall body of each clamping cavity of the clamping sleeve.

4. The LC fiber optic connector clamping mechanism of claim 1, 2 or 3, wherein: wherein, the inner wall of each clamping cavity is also provided with a positioning convex point or a positioning concave point.

5. A DLC plug using the clamping mechanism according to any one of claims 1 to 3, wherein: and grooves or bulges which are in concave-convex fit with the bulges or the grooves in the clamping cavity are arranged at the corresponding positions of the LC rear sleeve of the plug.

6. The DLC plug of claim 5, wherein: wherein, the inner wall of the clamping cavity is provided with in-place convex points or in-place concave points, and the LC rear sleeve is also provided with in-place concave points or in-place convex points matched with the in-place convex points or the in-place concave points in the clamping cavity.