CN220340449U

CN220340449U - SC jumper connector crimping ring reforms structure

Info

Publication number: CN220340449U
Application number: CN202321865841.XU
Authority: CN
Inventors: 李小宁; 庞发如; 吴学东
Original assignee: Opconn Communication Technology Co ltd
Current assignee: Opconn Communication Technology Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2024-01-12
Anticipated expiration: 2033-07-14

Abstract

The utility model provides a modified structure of a crimping ring of an SC jumper connector, which comprises a main body, a tail sleeve and an outer frame sleeve, wherein the main body is used for inserting a cable core of an optical cable, the tail sleeve is sleeved at one end of the main body, the outer frame sleeve is sleeved at one end of the main body and one end of the tail sleeve simultaneously, the modified structure of the crimping ring of the SC jumper connector further comprises a crimping ring, one end of the crimping ring is used for crimping a Kevlar wire of the optical cable to the main body, a clamping part is arranged at the inner side of the other end of the crimping ring and is crimped to a cable cover of the optical cable, and the clamping part is fully distributed at the inner side of the crimping ring. The utility model has the advantages of improving the problem of low overall crimping efficiency caused by the potential safety hazard existing in the prior art that the cable needs to be opened before crimping because two parts are needed to finish crimping the optical cable, and the cost is higher.

Description

SC jumper connector crimping ring reforms structure

Technical Field

The utility model relates to the technical field of optical fiber communication, in particular to a modified structure of a crimping ring of an SC jumper connector.

Background

In general, the optical cable consists of a cable core, a Kevlar wire and a cable cover wrapping the outermost layer from inside to outside in sequence; in connecting optical cables, SC connectors are required for end connection.

Generally, referring to fig. 7 to 9, the sc jumper connector mainly includes a main body 2, a large pressure ring 3 having one end press-connected to one end of the main body 2, a small pressure ring 4 press-connected to the other end of the large pressure ring 3, a tail sleeve 5 and an outer frame sleeve 6 simultaneously sleeved on the large pressure ring 3, the small pressure ring 4 and one end of the main body 2; the main body 2 generally includes a ferrule 21, a spring 22 sleeved on the ferrule 21, a stop ring 23 sleeved on the ferrule 21 and the spring 22, and a fixing piece 24 sleeved on the ferrule 21 and the stop ring 23. During assembly, the cable core 11 of the optical cable 1 is inserted into the insertion core 21, the Kevlar stay 12 of the optical cable 1 is pressed and connected to the stop ring 23 by the large pressure ring 3, and the cable cover 13 of the optical cable 1 is pressed and connected to the large pressure ring 3 by the small pressure ring 4; then, the tail sleeve 5 and the outer frame sleeve 6 are sleeved in sequence, wherein the tail sleeve 5 is sleeved on the stop ring 23. In the crimping process, wire pliers are used for crimping.

When the cable is assembled in the mode, two parts of the large compression ring and the small compression ring are needed to be used for carrying out compression joint fixing on the Kevlar cable and the cable sheath, the installation mode is relatively complex, and the manufacturing efficiency is low; simultaneously, need open the cable through the blade before the cable skin is threaded, break open the cable skin, there is the potential safety hazard.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a modified structure of a crimping ring of an SC jumper connector, which can solve the problems that in the prior art, the crimping of an optical cable is required to be completed through two parts, the cost is high, the cable is required to be opened before crimping, potential safety hazards exist, and the overall crimping efficiency is low.

According to the embodiment of the utility model, the SC jumper connector crimping ring modifying structure comprises a main body for inserting a cable core of an optical cable, a tail sleeve sleeved at one end of the main body, and an outer frame sleeve sleeved at one end of the main body and the tail sleeve simultaneously, and further comprises a crimping ring, wherein one end of the crimping ring is used for crimping a Kevlar wire of the optical cable to the main body, a clamping part is arranged at the inner side of the other end of the crimping ring and is crimped to a cable cover of the optical cable, and the clamping part is fully distributed at the inner side of the crimping ring.

Compared with the prior art, the utility model has at least one of the following beneficial effects:

1. the clamping part is arranged on the inner side of the crimping ring, so that after the optical cable is threaded, the clamping part is used for crimping the cable sheath, and the cable sheath does not need to be crimped for the second time like a conventional crimping mode, so that the sheath does not need to be cut off, the crimping of the optical cable through two parts (a large compression ring and a small compression ring) in the prior art is improved, the cost is high, the cable is required to be opened before crimping, potential safety hazards exist, the problem of low integral crimping efficiency is caused, and the material and labor cost are saved;

2. the clamping part is fully distributed on the inner side of the crimping ring, a plurality of crimping positions can be formed along the axial direction of the crimping ring when crimping is carried out, and meanwhile, a plurality of crimping positions can also be formed along the circumferential direction of the cross section of the crimping ring.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of the portion B of FIG. 1, mainly illustrating the installation of the fiber optic cable;

FIG. 3 is a schematic view of a partial cross-sectional structure of an embodiment of the present utility model, mainly showing a main body;

FIG. 4 is a schematic view of the overall structure of the boot according to the embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a crimp ring according to one embodiment of the present utility model;

FIG. 6 is a schematic cross-sectional view of a crimp ring according to another embodiment of the present utility model;

FIG. 7 is a schematic view of the overall structure of the related art;

FIG. 8 is an enlarged schematic view of the portion A of FIG. 7, mainly illustrating the installation of the optical cable in the related art;

fig. 9 is a schematic view of a partial sectional structure of the related art, mainly showing a main body.

In the above figures: 1. an optical cable; 11. a cable core; 12. kevlar wire; 13. a cable cover; 2. a main body; 21. a core insert; 22. a spring; 23. a stop ring; 24. a fixing member; 3. a large pressure ring; 4. a small pressure ring; 5. a tail sleeve; 51. a groove; 6. an outer frame sleeve; 7. a crimp ring; 8. and a clamping part.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be further described with reference to fig. 1 to 6; a technical solution in the embodiments of the present utility model will be clearly and completely described, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 6, an embodiment of the present utility model provides an SC jumper connector crimp ring modification structure, including a main body 2, a tail sleeve 5, and an outer frame sleeve 6; the main body 2 comprises a core insert 21, a spring 22 sleeved on the core insert 21, a stop ring 23 sleeved on the core insert 21 and the spring 22 at the same time and a fixing piece 24 sleeved on the core insert 21 and the stop ring 23 at the same time; the tail sleeve 5 is sleeved at one end of the main body 2, and the outer frame sleeve 6 is sleeved at one end of the main body 2 and one end of the tail sleeve 5.

In the embodiment of the utility model, the crimp ring modification structure of the SC jumper connector further comprises a crimp ring 7, wherein the crimp ring 7 can be made of aluminum, one end of the crimp ring is used for crimping a Kevlar stay wire 12 of the optical cable 1 to the main body 2, the inner side of the other end of the crimp ring is provided with a clamping part 8 and is crimped to a cable cover 13 of the optical cable 1, and the clamping part 8 is fully distributed on the inner side of the crimp ring 7.

When in installation, the cable core 11 of the optical cable 1 is inserted into the insertion core 21; then, pushing the crimping ring 7 to crimp the Kevlar wire 12 of the optical cable 1 on the stop ring 23, wherein the cable sheath 13 of the optical cable 1 is positioned at the inner side of the crimping ring 7, and applying force to the crimping ring 7 to crimp the crimping ring 7 to the cable sheath 13 of the optical cable 1; finally, the tail sleeve 5 and the outer frame sleeve 6 are sleeved in sequence, wherein the tail sleeve 5 is sleeved on the stop ring 23.

Namely, through this kind of crimping mode, change two parts of big, little clamping ring among the prior art into a part (crimping ring 7), the cable skin 13 of optical cable 1 is directly buckled to clamping part 8 when wearing optical cable 1 to need not to carry out the crimping to cable skin 13 the second time like current crimping mode, thereby just need not to cut open the skin again, need accomplish the crimping to the optical cable through two spare parts (big, little clamping ring) among the improvement prior art, the cost is higher, and need open the cable before the crimping, there is the potential safety hazard, lead to the not high problem of whole crimping efficiency, thereby save material and cost of labor.

Furthermore, as the clamping parts 8 are fully distributed on the inner side of the crimp ring 7, a plurality of crimp positions can be formed along the axial direction of the crimp ring 7 during crimping, and a plurality of crimp positions can be formed along the circumferential direction of the cross section of the crimp ring 7, compared with the method that when only one part is subjected to circumferential crimping on the same cross section, the adjacent part cannot be subjected to force to form the same effect as that formed by the first crimping, and the crimp effect of the adjacent crimp parts is weakened or a gap is directly formed, so that the possibility of weakening the crimp effect of multiple times of crimping can be avoided by adopting the crimp mode, and the integral crimp effect is ensured to be better.

Wherein, crimp ring 7 is whole to be the step shaft form, and the crimping is less than the crimping in the one end of main part 2 in the one end external diameter of optical cable 1 to shorten the interval between crimp ring 7 inboard and the optical cable 1 as far as possible, reduce the deformation volume when crimp ring 7 carries out the crimping, thereby guarantee the crimping effect.

Referring to fig. 4, in the embodiment of the present utility model, a plurality of grooves 51 are formed on the outer side of the boot 5 to ensure protection of the optical cable 1 while reducing material costs. The grooves 51 are arranged along the length direction of the tail sleeve 5 to form a plurality of rows, and the two rows are directly mutually crossed to ensure the structural strength and bending resistance of the tail sleeve 5.

Referring to fig. 5, in one embodiment, the clamping portion 8 is an internal thread provided inside the crimp ring 7, by which the cable sheath 13 of the optical cable 1 is crimped during crimping.

Referring to fig. 6, in another embodiment, the clamping part 8 includes a plurality of protrusions arranged at intervals, and the plurality of protrusions are fully distributed inside the crimp ring 7 to crimp the cable jacket 13 of the optical cable 1 by the plurality of protrusions. And the protrusions are cone-shaped (such as cone-shaped or polygonal cone-shaped), and the tip of the protrusions faces the axis of the crimping ring 7, so that the clamping part 8 is tightly buckled with the cable cover 13 when the cable cover 13 is crimped through the protrusions, and the tightness is kept.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a SC wire jumper connector crimping ring reforms structure, includes main part (2) that are used for inserting cable core (11) of optical cable (1), cover tail cover (5) of locating main part (2) one end and cover frame cover (6) of locating main part (2) and tail cover (5) one end simultaneously, its characterized in that: SC jumper wire connector crimping ring reforms system structure still includes crimping ring (7), the one end of crimping ring (7) is with the cable (12) crimping of the Kevlar stay wire of optical cable (1) in main part (2), and the other end inboard is provided with clamping part (8) and crimping in cable skin (13) of optical cable (1), clamping part (8) are full of in crimping ring (7) inboard.

2. The SC jumper connector crimp ring remanufacturing structure of claim 1, wherein: the clamping part (8) is an internal thread arranged on the crimping ring (7).

3. The SC jumper connector crimp ring remanufacturing structure of claim 1, wherein: the clamping part (8) comprises a plurality of bulges which are arranged at intervals, and the bulges are fully distributed on the inner side of the crimping ring (7).

4. The SC jumper connector crimp ring remanufacturing structure of claim 3, wherein: the projection is conical and pointed away from the axis of the crimp ring (7).

5. The SC jumper connector crimp ring modification structure according to any one of claims 1 to 4, wherein: the crimping ring (7) is in a stepped shaft shape, and the outer diameter of one end of the crimping ring, which is crimped with the optical cable (1), is smaller than that of one end of the crimping ring, which is crimped with the main body (2).

6. The SC jumper connector crimp ring remanufacturing structure of claim 5, wherein: a plurality of grooves (51) are formed in the outer side of the tail sleeve (5).

7. The SC jumper connector crimp ring remanufacturing structure of claim 6, wherein: the grooves (51) are arranged along the length direction of the tail sleeve (5) to form a plurality of rows, and the two rows are directly mutually crossed.

8. The SC jumper connector crimp ring remanufacturing structure of claim 1, wherein: the main part (2) is including lock pin (21), spring (22) of cover locating lock pin (21), cover simultaneously locate lock pin (21) and snap ring (23) of spring (22) and cover simultaneously locate lock pin (21) and snap ring (23) mounting (24), cable core (11) of optical cable (1) inserts lock pin (21), and cable (12) of optical cable (1) are by crimping ring (7) crimping on snap ring (23), and cable skin (13) of optical cable (1) are by crimping ring (7) crimping.