CN214540137U - Upper cover plate of SC type optical fiber connector - Google Patents
Upper cover plate of SC type optical fiber connector Download PDFInfo
- Publication number
- CN214540137U CN214540137U CN202120455898.7U CN202120455898U CN214540137U CN 214540137 U CN214540137 U CN 214540137U CN 202120455898 U CN202120455898 U CN 202120455898U CN 214540137 U CN214540137 U CN 214540137U
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- cover plate
- cambered surface
- upper cover
- optical fiber
- end housing
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Abstract
The utility model discloses a SC type optical fiber splice's upper cover plate, including integrated into one piece's connecting seat, front end housing and rear end cap all are the arc, and front end housing and rear end cap all have the indent cambered surface and for the evagination cambered surface that the indent cambered surface formed, are provided with a plurality of location slopes in the indent cambered surface of front end housing, and a plurality of location slopes are equidistant along the length direction of front end housing and arrange, and the slope on location slope all keeps away from one side of rear end cap towards the front end cap. The utility model has the advantages that: the utility model discloses a setting on location slope, greatly increased with the main part cooperation when to the clamping-force of optical cable, avoid the optical cable situation that the slip shifted to the result of use of optical fiber splice has effectively been guaranteed.
Description
Technical Field
The utility model relates to an optic fibre passive device technical field specifically is a SC type optical fiber splice's upper cover plate.
Background
The optical fiber connector is a device for making detachable (movable) connection between optical fibers, and precisely butt-joints two end faces of the optical fibers so as to maximally couple the light energy output by the transmitting optical fiber into the receiving optical fiber and minimize the influence on the system caused by the optical fiber connector intervening in the optical link, which is the basic requirement of the optical fiber connector. The SC type optical fiber connector is one developed by NTT corporation of japan. The shell is rectangular, and the structural dimensions of the adopted contact pin and the coupling sleeve are completely the same as the FC type. The end face of the contact pin is mostly ground in a PC or APC type, and the fastening mode is a plug-pull latch type without rotation. The connector is low in price, convenient to insert and pull out, small in insertion loss fluctuation, high in compressive strength and high in installation density.
At present, the existing SC type optical fiber connector has a simple structure, such as the SC optical fiber movable connector disclosed in the utility model with the publication number of CN202758098U, which comprises an inner bushing, an outer bushing, a ceramic ferrule, a spring seat, a tail sleeve and a rubber-insulated optical cable, the spring seat is also an SC type optical fiber connector, the SC type optical fiber connector in the prior art comprises a lower cover plate and an upper cover plate 1 hinged on the lower cover plate as shown in figure 1, the upper cover plate 1 and the lower cover plate 2 are matched with each other, and a passage for passing the optical cable is formed between the upper and lower cover plates 1 and 2, however, the existing SC type optical fiber splice, when in use, the optical cable passes through the channel between the upper cover plate 1 and the lower cover plate 2 and is only simply clamped between the upper cover plate 1 and the lower cover plate 2, the clamping force is insufficient, the optical cable is easy to slide and move, and the using effect of the SC type optical fiber connector is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an aim at just in order to solve foretell problem and the upper cover plate that provides of SC type optical fiber splice, greatly increased with the main part cooperation when to the clamping-force of optical cable, avoid the situation that the optical cable appears sliding shift, the result of use is better.
The utility model discloses a following technical scheme realizes above-mentioned purpose, a SC type optical fiber splice's upper cover plate, connecting seat, front end housing and rear end cap including integrated into one piece, front end housing and rear end cap all are the arc, front end housing and rear end cap all have the indent cambered surface and for the evagination cambered surface that the indent cambered surface formed, be provided with a plurality of location slopes on the indent cambered surface of front end housing, it is a plurality of the location slope is equidistant along the length direction of front end housing and arranges, the slope on location slope all keeps away from one side of rear end cap towards the front end housing.
By adopting the technical scheme, because the upper cover plate includes the front end housing, the front end housing has the indent cambered surface, be provided with a plurality of location slopes on the indent cambered surface of front end housing, and the slope of location slope all keeps away from one side of rear end housing towards the front end housing, thereby form the profile of tooth structure on the indent cambered surface of front end housing, then turn over the upper cover plate down and make its and apron down combination, when making the optical cable pass the passageway between upper cover plate and the apron down, the optical cable surface can laminate with the indent cambered surface of front end housing, then the location slope can take place to contradict and compress tightly the optical cable with the optical cable surface, centre gripping through the profile of tooth structure, can firmly tie the optical cable between upper cover plate and apron down, greatly increased the clamping-force to the optical cable when cooperating with the main part, avoid the optical cable situation that the slip aversion appears, thereby optical fiber splice's result of use has effectively been guaranteed.
As a further setting of the utility model, be provided with the external screw thread structure along its length direction on the evagination cambered surface of rear end cap.
Through adopting above-mentioned technical scheme, because be provided with the external screw thread structure along its length direction on the evagination cambered surface of rear end cap, then when connecting the use, through turning over down the upper cover plate make it with apron combination back down, because the setting of external screw thread structure on the rear end cap, can increase the coefficient of friction on the evagination cambered surface of rear end cap for difficult skidding when holding between the fingers the rear end cap, thereby can use more conveniently.
As a further setting of the utility model, be provided with the fixed rib that a plurality of intervals equal on the evagination cambered surface of front end housing.
Through adopting above-mentioned technical scheme, owing to be provided with the fixed rib that a plurality of intervals equal on the evagination cambered surface of front end housing, then when connecting the use, through turning over down the upper cover plate make its with apron combination back down, because the setting of fixed rib on the front end housing, will fix rib and nut cooperation, can apply outside constraint to the optical cable of centre gripping between upper cover plate and lower apron to can increase the clamping-force to the optical cable, effectively promote the result of use that connects.
As a further arrangement of the utility model, the two sides of the front end cover extend outwards to form lap joints.
Through adopting above-mentioned technical scheme, because outwards extend in front end housing both sides and be formed with the overlap joint hem, then turn over the upper cover plate down when making its and apron combination down, the overlap joint hem can with the border butt of apron down to make the combination between upper cover plate and the apron down more accurate, difficult emergence skew.
As a further setting of the utility model, the connecting seat includes the seat stand, the seat stand both sides all are provided with the rotor plate, all be provided with the rotation lug in the one side that the rotor plate deviates from each other.
Through adopting above-mentioned technical scheme, because the connecting seat includes the seat platform, all be provided with the rotor plate in the seat both sides, and all be provided with the rotation lug in the one side that the rotor plate deviates from each other, then through will rotating lug and lap connection down for the upper cover plate can use the rotation lug to articulate under on the apron as the center, and firm in connection nature is good, rotates nimble smooth and easy.
As a further setting of the utility model, the connecting seat, the front end cover and the rear end cover are all made of plastic materials.
Through adopting above-mentioned technical scheme, because connecting seat, front end housing and rear end cap all adopt plastic materials to make, the quality is lighter and intensity is higher, and not fragile and corrosion resistance is good, has effectively guaranteed the result of use and the life that connect.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses be provided with a plurality of location slopes on the indent cambered surface of front end housing, then turn over the upper cover plate down and make its and apron combination down, when making the optical cable pass the passageway between upper cover plate and the lower apron, the optical cable surface can laminate with the indent cambered surface of front end housing, then the location slope can take place to contradict and compress tightly the optical cable with the optical cable surface, centre gripping through the profile of tooth structure, can firmly tie the optical cable between upper cover plate and lower apron, greatly increased with the main part cooperation the clamping-force to the optical cable, avoid the situation that the optical cable appears sliding displacement, thereby optical fiber splice's result of use has effectively been guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of an SC type optical fiber splice of the prior art;
fig. 2 is a first schematic structural diagram of the present invention;
fig. 3 is a schematic structural diagram of the present invention.
Reference numerals: 1. an upper cover plate; 2. a lower cover plate; 3. a front end cover; 4. a rear end cap; 5. positioning a slope; 6. An external thread structure; 7. fixing ribs; 8. lapping and folding edges; 9. a seat stand; 10. a rotating sheet; 11. the lug is rotated.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an upper cover plate of an SC-type optical fiber splice comprises a connecting seat, a front end cover 3 and a rear end cover 4 which are integrally formed, wherein the connecting seat, the front end cover 3 and the rear end cover 4 are made of plastic materials, the front end cover 3 and the rear end cover 4 are both arc-shaped, the front end cover 3 and the rear end cover 4 are both provided with an inner concave arc surface and an outer convex arc surface formed relative to the inner concave arc surface, a plurality of positioning slopes 5 are arranged on the inner concave arc surface of the front end cover 3, the guiding heights of the positioning slopes 5 can be changed according to the actual sizes of optical cables to realize the mutual conversion of the optical cables with different sizes, the plurality of positioning slopes 5 are arranged at equal intervals along the length direction of the front end cover 3, the slope surfaces of the positioning slopes 5 face one side of the front end cover 3 far away from the rear end cover 4, an external thread structure 6 is arranged on the outer convex arc surface of the rear end cover 4 along the length direction, be provided with the fixed rib 7 that a plurality of intervals equal on the evagination cambered surface of front end housing 3, and outwards extend in front end housing 3 both sides and be formed with the overlap joint hem 8 that is used for matcing with the main part, the connecting seat includes seat 9, all is provided with rotor plate 10 in seat 9 both sides, and all is provided with rotation lug 11 on the one side that rotor plate 10 deviates from each other.
Because the upper cover plate 1 comprises the front end cover 3, the front end cover 3 is provided with an inwards concave cambered surface, a plurality of positioning slopes 5 are arranged on the inwards concave cambered surface of the front end cover 3, the slope surfaces of the positioning slopes 5 face to one side of the front end cover 3 far away from the rear end cover 4, thereby forming a tooth-shaped structure on the concave cambered surface of the front end cover 3, turning down the upper cover plate 1 to combine the upper cover plate with the lower cover plate 2, when the optical cable passes through the channel between the upper cover plate 1 and the lower cover plate 2, the surface of the optical cable is jointed with the concave cambered surface of the front end cover 3, then the positioning slope 5 can take place to contradict and compress tightly the optical cable with the optical cable surface, through the centre gripping of profile of tooth structure, can firmly tie the optical cable between upper cover plate 1 and lower apron 2, greatly increased with the main part cooperation when to the clamping-force of optical cable, avoid the optical cable situation that the slip shifted to optical fiber splice's result of use has effectively been guaranteed.
Because the outer thread structure 6 is arranged on the convex cambered surface of the rear end cover 4 along the length direction of the convex cambered surface, when the connector is used, the upper cover plate 1 is turned downwards to be combined with the lower cover plate 2, and the friction coefficient on the convex cambered surface of the rear end cover can be increased due to the arrangement of the outer thread structure 6 on the rear end cover 4, so that the rear end cover is not easy to slip when being held, and the connector can be used more conveniently.
Because be provided with the fixed rib 7 that a plurality of intervals are equal on the evagination cambered surface of front end housing 3, then when connecting the use, through turn over down upper cover plate 1 and make its and apron 2 combination back down, because the setting of fixed rib 7 on front end housing 3, will fix rib 7 and nut cooperation, can exert outside constraint to the optical cable of centre gripping between upper cover plate 1 and apron 2 down, thereby can increase the clamping-force to the optical cable, effectively promoted the result of use that connects.
Because the both sides at front end housing 3 extend outwards and are formed with overlap joint hem 8, then when turning down upper cover plate 1 and make its and lower apron 2 combination, overlap joint hem 8 can with the border butt of apron 2 down to make the combination between upper cover plate 1 and the lower apron 2 more accurate, difficult emergence skew.
Because the connecting seat includes seat platform 9, all is provided with rotor plate 10 in seat platform 9 both sides, and all is provided with rotation lug 11 in the one side that rotor plate 10 deviates from each other, then through will rotating lug 11 and lap 2 down and be connected for upper cover plate 1 can use rotation lug 11 to articulate under on apron 2 as the center, and firm in connection nature is good, rotates nimble smooth and easy.
Because connecting seat, front end housing 3 and rear end housing 4 all adopt plastic materials to make, the quality is lighter and intensity is higher, and is not fragile and corrosion resistance is good, has effectively guaranteed the result of use and the life that connect.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. The utility model provides an upper cover plate of SC type optical fiber splice which characterized in that: including integrated into one piece's connecting seat, front end housing (3) and rear end housing (4) all are the arc, front end housing (3) and rear end housing (4) all have the indent cambered surface and for the evagination cambered surface that the indent cambered surface formed, be provided with a plurality of location slopes (5) on the indent cambered surface of front end housing (3), it is a plurality of location slope (5) are equidistant along the length direction of front end housing (3) and arrange, the slope of location slope (5) all keeps away from one side of rear end housing (4) towards front end housing (3).
2. The upper cover plate of an SC-type optical fiber splice according to claim 1, wherein: and an external thread structure (6) is arranged on the convex cambered surface of the rear end cover (4) along the length direction of the convex cambered surface.
3. The upper cover plate of an SC-type optical fiber splice according to claim 1, wherein: the outer convex cambered surface of the front end cover (3) is provided with a plurality of fixing ribs (7) with equal intervals.
4. The upper cover plate of an SC-type optical fiber splice according to claim 1, wherein: and two sides of the front end cover (3) extend outwards to form lap joint folded edges (8).
5. The upper cover plate of an SC-type optical fiber splice according to claim 1, wherein: the connecting seat comprises a seat stand (9), rotating pieces (10) are arranged on two sides of the seat stand (9), and rotating lugs (11) are arranged on the surfaces, deviating from each other, of the rotating pieces (10).
6. The upper cover plate of an SC-type optical fiber splice according to claim 1, wherein: the connecting seat, the front end cover (3) and the rear end cover (4) are all made of plastic materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120455898.7U CN214540137U (en) | 2021-03-02 | 2021-03-02 | Upper cover plate of SC type optical fiber connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202120455898.7U CN214540137U (en) | 2021-03-02 | 2021-03-02 | Upper cover plate of SC type optical fiber connector |
Publications (1)
Publication Number | Publication Date |
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CN214540137U true CN214540137U (en) | 2021-10-29 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202120455898.7U Active CN214540137U (en) | 2021-03-02 | 2021-03-02 | Upper cover plate of SC type optical fiber connector |
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CN (1) | CN214540137U (en) |
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2021
- 2021-03-02 CN CN202120455898.7U patent/CN214540137U/en active Active
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