CN201083848Y - Optical fiber connector - Google Patents

Abstract

An optical fiber connector (100) comprises a first insulated body (1), a cover body (2), a spring plate (3) with one end fixed with the first insulated body and the other end in elastic contact with the cover body, and a photoelectric component (4) accommodated inside the first insulated body, wherein the first insulated body is provided with a receiving cavity (111), into which a butt-joint optical fiber plug is inserted, and two side walls (1); the openings of the internal walls of the two side walls adjacent to the containing cavity are provided with opposite grooves (112); the cover body is movably arranged at the opening of the containing cavity, and is provided with a pivot (22) pin jointed inside the groove; the inside of the groove is provided with a limit stop (113). The pivot of the cover body is pin jointed inside the groove and the limit stop is positioned at the outside of the pivot, thereby preventing the cover body from moving outwards excessively and breaking away from the groove.

Description

The optical fiber connector

【Technical field】

The utility model relates to an optical fiber connector, in particular to an optical fiber connector capable of preventing a cover body from detaching.

【Background technique】

Chinese patent announcement No. CN2674470Y discloses a photoelectric connector, which includes an insulating body provided with photoelectric components, a shielding shell and a cover. The insulating body has a pair of docking surfaces, an upper opening and a pair of side walls, the docking surface is concavely provided with a docking cavity, the upper inner walls of the two side walls are oppositely provided with grooves, and a pair of pivot shafts are provided on the upper sides of the cover body to pivotally connect to the In the groove and make the cover cover the opening of the butt surface of the insulating body, the shielding shell covers the outside of the insulating body, the top surface of the shielding shell covers the upper opening of the insulating body, and a shrapnel extends from the front edge of the top , the free end of the elastic piece elastically contacts the cover, so that the cover can be elastically opened or closed with the pivot joint as the axis. However, the retaining force of the cover in the groove is only provided by the elastic force generated by the elastic contact of the cover. When the cover is subjected to unexpected vibration or a large external force, the external force may overcome the force on the cover. The retaining force provided by the shrapnel causes the cover to detach from the insulating body, and thus the shielding function of the cover cannot be realized.

Another example is an optical fiber connector disclosed in Japanese Patent Application Laid-Open No. 6-331859, which includes an insulating body, an optoelectronic component and a baffle disposed in the insulating body. The insulating body has a pair of docking surfaces, and the docking surface is concavely provided with a docking cavity. One side of the docking surface extends outward from both sides to form two protrusions. The two protrusions are oppositely provided with positioning holes. One side of the baffle is provided with a pivot corresponding to the positioning holes The shaft and the baffle are rotatably arranged at the opening of the receiving cavity by being pivotally connected to the positioning hole by the pivot. In this design, the pivot is stably fixed in the positioning hole, so that the baffle is not easy to disengage from the insulating body. However, the baffle in the above design is not easy to assemble, and it is also difficult to replace the baffle when it is damaged and needs to be replaced.

Therefore, it is necessary to design an optical fiber connector that can overcome the above defects.

【Content of utility model】

The purpose of the utility model is to provide an optical fiber connector, which can effectively prevent the cover from detaching.

In order to achieve the above purpose, the utility model adopts the following technical solutions: an optical fiber connector, which includes a first insulating body, a cover, a shrapnel and a photoelectric component housed in the first insulating body, the first insulating body is provided with a top surface, The docking surface adjacent to the top surface and the two side walls form a storage cavity for the insertion of the docking optical fiber plug. The inner walls of the two side walls are oppositely provided with grooves near the opening of the storage cavity. The opening of the accommodation cavity of the first insulating body is provided with a pivot that can be pivotally connected to the groove of the first insulating body, one end of the elastic piece is fixed to the first insulating body, and the other end elastically contacts the cover. , the groove of the first insulating body is provided with a stopper, the pivot of the aforementioned cover is pivotally connected in the groove, and the stopper is located outside the pivot of the cover, which can prevent the cover from excessively moving outwards and automatically The groove breaks away.

Compared with the prior art, the optical fiber connector of the present utility model has the following beneficial effects: a stopper is provided in the groove oppositely arranged on the inner walls of the two side walls of the first insulating body, and the stopper can effectively prevent the cover body from the first Insulation body is detached.

【Description of drawings】

Fig. 1 is a three-dimensional assembled view of the optical fiber connector of the present invention.

Fig. 2 is a three-dimensional assembled view from another angle shown in Fig. 1 .

Fig. 3 is a three-dimensional exploded view of the optical fiber connector of the present invention.

FIG. 4 is an exploded perspective view of another angle shown in FIG. 3 .

Fig. 5 is a cross-sectional view along line A-A shown in Fig. 1 .

Fig. 6 is a sectional view along line B-B shown in Fig. 1 .

【Detailed ways】

Referring to FIGS. 1 , 2 , and 3 , the optical fiber connector 100 of the present invention includes a first insulating body 1 , a cover 2 , an elastic piece 3 , a photoelectric component 4 , a second insulating body 5 and a shielding case 6 .

Please refer to Figures 2, 3 and 4, the first insulating body 1 is elongated, its front end surface 11 forms a pair of abutting surfaces, and the abutting surface is recessed to form a receiving cavity 111, and the rear end surface 12 opposite to the abutting surface is concave. The first and second receiving spaces 121 and 122 are formed, and the insulating body is further provided with a top surface 10 , a bottom surface 14 opposite to the top surface 10 , and two side walls 13 . The top of the first storage space 121 is provided with a storage tank 123 connected to the first storage space 121 near the top surface 10, the outer walls of the two side walls 13 are provided with buckling blocks 131, and the upper inner walls of the two side walls 13 are near the storage space. The opening of the chamber 111 is oppositely provided with a groove 112 penetrating through the top surface 10, and the groove 112 is provided with a stopper 113 (as shown in FIG. 5 ). The side of the stopper 113 close to the top surface 10 of the first insulating body 1 is an inclined guide surface 114 .

The elastic piece 3 includes a fixing part 31, a return part 32 extending downward from the fixing part 31 and a pair of holding parts 33 bent and extending downward from the fixing part 31. Referring to FIG. 6, the fixing part 31 is accommodated in the first insulating body In the receiving groove 123 of 1, the restoring part 32 and the holding part 33 extend into the receiving cavity 111. The optoelectronic component 4 is accommodated in the second accommodation space 122 of the first insulating body 1 , and its terminals 41 are accommodated in the terminal slots 124 on the bottom wall of the second accommodation space 122 . The second insulating body 5 includes a body portion 51 and first and second mounting portions 52, 53 protruding from the same side of the body portion 51, wherein the first mounting portion 52 is accommodated in the first receiving space 121 and is connected to the first receiving space. 121 interference can further strengthen the fixing of the fixing part 31. The second mounting part 53 is accommodated in the second receiving space 122, and the second mounting part 53 interferes in the second receiving space 122 by means of some protrusions (not shown) at the bottom. The recessed portion (not labeled) of the bottom wall is held in the second receiving space 122 by the clamping portion (not shown) at the bottom of the recessed portion 125 penetrating through the bottom wall of the second receiving space 122, and then the photoelectric component 4 is fixed in the second receiving space 122 of the first insulating body 1 . The second insulating body 5 is held at the rear of the first insulating body 1 by interfering with the first and second accommodating spaces 121 and 122 respectively by the first and second mounting parts 52 and 53 , and then tightly combined with the first insulating body 1 The terminal 41 of the optoelectronic component 4 extends out of the terminal slot 124 and then passes through the through slot 511 of the main body 51 to extend out of the second insulating body 5 and can be soldered on a circuit board (not shown). The shielding housing 6 buckles the buckling blocks 131, 512 on the outer walls on both sides of the first and second insulating bodies 1, 5 and the buckling blocks 141, 54 on the bottom surface by the buckling parts 61 provided on the two side walls and the bottom wall respectively. Covering the outside of the first and second insulating bodies 1 and 5 .

Please continue to refer to Figures 4, 5, and 6, the cover body 2 is provided with a protruding portion 21 above the side facing the storage chamber 111, and a pair of pivots 22 are provided above the two sides of the cover body 2, that is, the pivot shafts 22 are located on the cover. Body 2 side. During assembly, the cover body 2 is installed from the top surface 10 of the first insulating body 1, the pivot shaft 22 enters the groove 112 and then slides along the guide surface 114 to be located under the stopper 113, so that the pivot shaft 22 is pivotally connected in the groove 112 , when the cover body 2 moves upwards due to a relatively large external force, the stopper 113 can prevent the pivot shaft 22 from moving upwards excessively, thereby preventing the cover body 2 from detaching from the groove 112 of the first insulating body 1 . The elastic piece 3 elastically contacts the cover body 2 to make the cover body 2 elastically open or close, and the free end of the return portion 32 of the elastic piece 3 abuts against the protruding portion 21, so that the cover body 2 covers the cavity 111 of the first insulating body 1 The opening is to prevent dust. When the docking fiber optic plug (not shown) is inserted into the fiber optic connector 100, it will squeeze the cover 2 and make the cover 2 rotate into the receiving cavity 111. When the docking fiber optic plug is completely inserted into the optical fiber When the connector 100 is used, both the restoring part 32 and the holding part 33 are squeezed by the cover body 2, thereby exerting an elastic force on the cover body 2, so as to ensure that the mated optical fiber plug is stably kept in the receiving cavity 111. When the mated optical fiber plug is automatically When the optical fiber connector 100 is pulled out, the elastic force can also make the cover body 2 return to the opening of the receiving cavity 111 of the first insulating body 1 .

The above-mentioned implementations are preferred implementations of the optical fiber connector of the present invention. Of course, the optical fiber connector of the present invention can also adopt other implementation modes, which will not be repeated here.

Claims (7)

1. An optical fiber connector, comprising a first insulating body, a cover body, a shrapnel and a photoelectric component housed in the first insulating body, the first insulating body is provided with a top surface, an abutting surface adjacent to the top surface, and two side walls , and form a storage cavity for the insertion of the docking optical fiber plug, the inner walls of the two side walls are oppositely provided with grooves near the opening of the storage cavity, and the cover is movably assembled at the opening of the storage cavity of the first insulating body, and There is a pivot that can be pivotally connected in the groove of the first insulating body, one end of the elastic piece is fixed to the first insulating body, and the other end elastically contacts the cover, and the feature is that: the first insulating body A block is provided in the groove, the pivot of the cover is pivotally connected in the groove, and the block is located outside the pivot of the cover to prevent the cover from excessively moving outwards and detaching from the groove. 2. The optical fiber connector according to claim 1, wherein the groove penetrates through a part of the side wall. 3. The optical fiber connector according to claim 1 or 2, wherein the side of the stopper in the groove of the first insulating body close to the top surface of the first insulating body is a guiding surface. 4. The optical fiber connector according to claim 1 or 2, characterized in that: the first insulating body is provided with a receiving groove, the side of the cover body facing the receiving cavity is provided with a protruding part, and one end of the elastic piece is held The other end is in elastic contact with the protruding part of the cover body in the receiving groove. 5. The optical fiber connector according to claim 4, wherein a first receiving space and a second receiving space are recessed on the other end face of the first insulating body opposite to the mating surface, and the first receiving space communicates with The above-mentioned accommodating groove, and the photoelectric component is accommodated in the second accommodating space. 6. The optical fiber connector according to claim 5, characterized in that: the optical fiber connector further comprises a second insulating body, the second insulating body cooperates with the first and second receiving spaces of the first insulating body It is fixed on the rear part of the first insulating body, and the photoelectric component is fixed in the second receiving space. 7. The optical fiber connector according to claim 6, characterized in that: the optical fiber connector comprises a shielding housing, the shielding housing is provided with a buckling part, and the outer sides of the first and second insulating bodies are provided with buckling blocks The shielding shell covers the outside of the first and second insulating bodies by buckling the buckling blocks on the outside of the first and second insulating bodies by the buckling parts.

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