CN203101684U

CN203101684U - Optical fibre adapter

Info

Publication number: CN203101684U
Application number: CN 201320074475
Authority: CN
Inventors: 杨至诚; 陈裕楷
Original assignee: CHENGDU P-TECH OPTO-ELECTRONICS Co Ltd
Current assignee: CHENGDU P-TECH OPTO-ELECTRONICS Co Ltd
Priority date: 2013-02-17
Filing date: 2013-02-17
Publication date: 2013-07-31
Anticipated expiration: 2023-02-17

Abstract

The utility model discloses an optical fibre adapter. The optical fibre adapter comprises an inner shell, a body and a cover plate, wherein the body is provided with an axial accommodating chamber, and defined by a first wall, a second wall, a third wall and a fourth wall; the first wall is opposite to the third wall and connected with the second wall and the fourth wall; the first wall is provided with an access opening through which the inner shell can be put in the accommodating chamber; a projection part is formed on the wall of each of the second wall and the fourth wall; the cover plate is used for covering the access opening in the first wall; and a plurality of buckling parts are formed on the cover plate and used for being buckled with the projection parts.

Description

Fiber adapter

Technical field

The utility model relates to a kind of fiber adapter, relates more specifically to a kind of single-piece fiber adapter.

Background technology

Optical fiber has made communication produce revolutionary change.After the use of optical fiber increased, it was more and more important repeatedly to dock optical fiber.If want two optical fiber to link together, can use that for example the joints of optical fibre and fiber adapter are reached.The joints of optical fibre are located at the two ends of optical fiber usually, can insert in the opening of fiber adapter.Fiber adapter has two openings, and each is connected each opening with joints of optical fibre.

Known fiber adapter comprises two identical parts, and each part is made up of the shell body of rectangle, on each end and a flange arranged.In the inside of each part of fiber adapter, be provided with inner housing half.Inner housing has a right cylinder, and is outward extended with a flange by the right cylinder center section.Each half adapter portion within it has a spine, makes that inner housing can be by being positioned in the adapter near the opening at flange.In case inner housing is put into each half adapter, adapter is welded together by the flange on each half adapter of ultrasonic fusing.

Yet above-mentioned design has following problem: when adapter fixedly the time, the fiber-optic wire that inserts on the connector of adapter usually can be crooked very naturally.In the case, Xiang Guan stress can make the adapter of two same sections separate over time.

For addressing the above problem, have with the dealer to have proposed so-called single-piece fiber adapter.With reference to figure 1, known single-piece fiber adapter 100 comprises the body 110 and a cover plate 190 of an integrally formed model.Body 110 is made of a roof 111, a diapire 112, one right wall 113 and a left wall 114.Body 110 inside have axial room 120, and it has two relative first opening 122 and one second openings 124 in the axial direction.

Be provided with a pair of

lug

132 and 134 in body 110 outsides.One lug 132 is positioned on the

right wall

113, and 134 of another lugs are positioned on the left wall 114.

Lug

132 and 134 is in order to be fixed on adapter 100 on the surface.And on roof 111, offer one and access opening 150, with permission inner housing 160 is inserted in the axial room 120 of body 110.After inner housing 160 is inserted in the axial room 120 of body 110, cover with cover plate 190 again and access opening 150, and be fixed on the body 110 in the mode of ultrasonic fusing, form fiber adapter 100 as shown in Figure 2.

For making cover plate 190 easy and body 110 weldings, in room 120,, be formed with the teat 170 of a plurality of strips near accessing on the left and right wall 114,113 of opening 150.In addition, please refer to Fig. 3, the surface of cover plate 190 then is formed with and teat 170 corresponding a plurality of strip projections 192.

When desire engages cover plate 190 with body 110, then projection 192 fusings on the cover plate of plastics being made with ultrasound wave for example 190, and bind with teat 170 on the left and right wall 114,113.

Yet appropriate as if not controlling when binding cover plate 190, the projection 192 of fusing may flow to other places in the room 120, thereby hamper in the joints of optical fibre insertion adapter 100.

In view of this, be necessary to propose a kind of scheme, to address the above problem.

The utility model content

The purpose of this utility model is to provide a kind of fiber adapter.

For achieving the above object, fiber adapter of the present utility model comprises: an inner housing; One body, has an axial room, defined by a first wall, one second wall, one the 3rd wall and a wall and to be formed, wherein this first wall is relative with the 3rd wall, and with this second and wall link to each other, this first wall is provided with one and accesses opening, and to insert this appearance indoor for this inner housing, this second and wall on be formed with a teat respectively; And a cover plate, in order to cover the opening that accesses on this first wall, wherein be formed with a plurality of snapping portion on this cover plate, respectively in order to described teat snapping.

According to fiber adapter of the present utility model,, therefore can prevent that cover plate from coming off from body because the snapping portion of cover plate can snap onto on the teat of body.

For allow above-mentioned and other purposes of the present utility model, feature and advantage can be more obvious, hereinafter will cooperate appended accompanying drawing, be described in detail as follows.In addition, in explanation of the present utility model, identical member is with identical symbolic representation, in this prior explanation.

Description of drawings

Fig. 1 is the three-dimensional exploded view of known single-piece fiber adapter.

Fig. 2 is the stereographic map of known single-piece fiber adapter.

Fig. 3 is the stereographic map of the cover plate of known single-piece fiber adapter.

Fig. 4 is the three-dimensional exploded view of the single-piece fiber adapter of the utility model first embodiment.

Fig. 5 is the cut-open view along the 4th figure line 5-5.

Fig. 6 is the stereographic map of cover plate of the single-piece fiber adapter of the utility model first embodiment.

Fig. 7 shows that the snapping portion on the cover plate of single-piece fiber adapter of the utility model first embodiment snaps onto the teat on the body.

Fig. 8 is the three-dimensional exploded view of the single-piece fiber adapter of the utility model second embodiment.

Fig. 9 is the cut-open view along the 8th figure line 9-9.

Figure 10 is the cut-open view along the 8th figure line 10-10.

Figure 11 is the stereographic map of cover plate of the single-piece fiber adapter of the utility model second embodiment.

Figure 12 shows that the snapping portion on the cover plate of single-piece fiber adapter of the utility model second embodiment snaps onto the teat on the body.

[description of reference numerals]

100 fiber adapter, 110 bodies

111 roofs, 112 diapires

113 right wall 114 left walls

120 rooms, 122 openings

124 openings, 132 lugs

134 lugs 150 access opening

160 inner housings, 170 teats

190 cover plates, 192 projections

400 fiber adapter, 410 bodies

411 roofs, 412 diapires

413 right wall 414 left walls

420 rooms, 422 openings

424 openings 450 access opening

470 teats, 472 inclined-planes

490 cover plates, 492 snapping portions

493 vertical component effects, 494 horizontal parts

495 inclined-planes, 800 fiber adapter

810 bodies, 811 roofs

812 diapires, 813 right walls

814 left wall 815 partition walls

820 rooms 850 access opening

860 inner housings, 870 teats

872 inclined-planes, 890 cover plates

892 snapping portions, 893 vertical component effects

894 horizontal parts, 895 inclined-planes

Embodiment

With reference to figure 4, the single-piece fiber adapter 400 of the utility model first embodiment includes the body 410 and the plastic cover plate 490 that become with plastic pattern appearance.Body 410 is made of a roof 411, a diapire 412, one right wall 413 and a left wall 414, and above-mentioned wall 411,412,413,414 also defines an axial room 420, and it has two relative first in the axial direction and opens 422 and 1 second opening 424.Offer one on the roof 411 and access opening 450, the inner housing among Fig. 1 160 is inserted in the room 420 of body 410 with permission.

In addition, please refer to Fig. 5, it is the cut-open view along Fig. 4 line 5-5.On the top near the left and right wall 414,413 that accesses opening 450 in room 420, extend the teat 470 of at least one strip respectively, the side of each teat 470 then is formed with an inclined-plane 472.Please refer to Fig. 6, the surface of cover plate 490 is formed with the corresponding snapping of a plurality of and teat 470 portion 492, for example be grab, 492 in each snapping portion has a vertical component effect 493 and by an extended horizontal part 494 on this vertical component effect 493, the side of horizontal part 494 then is formed with an inclined-plane 495.

When desire is assembled the fiber adapter 400 of present embodiment, inner housing 160 is inserted in the room 420 by accessing opening 450.Then, cover plate 490 is pressed down towards accessing opening 450, at this moment the snapping portion 492 on the cover plate 490 can be subjected to the compressing of corresponding teat 470 and make its inclined-plane 495 to slide on the inclined-plane 472 of teat 470.With reference to figure 7, after the horizontal part 494 of snapping portion 492 was crossed inclined-plane 472, snapping portion 492 was returned back to original state because oppress, and can snap onto on the teat 470.

Because the snapping portion 492 of cover plate 490 snaps onto the teat 470 on the body 410 left and right walls 414,413, when executing pulling force on cover plate 490 time, therefore the horizontal part 494 of its snapping portion 492 will be connected on the teat 470, can prevent that cover plate 490 from pulling out from body 410.

With reference to figure 8, the single-piece fiber adapter 800 of the utility model second embodiment is a duplexing type fiber adapter, includes a body 810 and a plastic cover plate 890 that becomes with plastic pattern appearance.Body 810 is made of a roof 811, a diapire 812, one right wall 813 and a left wall 814, and above-mentioned wall 811,812,813,814 also defines an axial room 820.In addition, room 820 also is provided with a partition wall 815 that links to each other with roof 811 and diapire 812, and axial room 820 is divided into a right room and a left room.On roof 811, offer one and access opening 850, a pair of inner housing 860 is inserted in the room 820 of body 810 with permission.

In addition, please refer to Fig. 9 and Figure 10, it is respectively along the cut-open view of Fig. 8 line 9-9 and 10-10.On the top near left and right wall 814,813 that accesses opening 850 and partition wall 815 in room 820, extend the teat 870 of at least one strip respectively, wherein the dual-side of the teat 870 on the partition wall 815 is formed with an inclined-plane 872 respectively.Please refer to Figure 11, the surface of cover plate 890 is formed with a plurality of snapping portion 892, for example is grab, and 892 in each snapping portion has a vertical component effect 893 and by an extended horizontal part 894 on this vertical component effect 893, the side of horizontal part 894 then is formed with inclined-plane 895.

When desire is assembled the fiber adapter 800 of present embodiment, inner housing 860 is inserted in the room 820 by accessing opening 850.Then, cover plate 890 is pressed down towards accessing opening 850, at this moment the snapping portion 892 on the cover plate 890 can be subjected to the compressing of corresponding teat 870 and make its inclined-plane 895 to slide on teat 870.With reference to Figure 12, after the horizontal part 894 of snapping portion 892 was crossed teat 870, snapping portion 892 was returned back to original state because oppress, and can snap onto on the teat 870.

Because the snapping portion 892 of cover plate 890 snaps onto the teat 870 on body 810 left and right walls 814,813 and the partition wall 815, when executing pulling force on cover plate 890 time, therefore the horizontal part 894 of its snapping portion 892 will be connected on the teat 870, can prevent that cover plate 890 from pulling out from body 810.

The person should be appreciated that to have the general knowledge in the technical field under the utility model, and we can deploy the snapping on the cover plate be changed to teat, and the teat on the body then is replaced into snapping portion, can reach equally cover plate is fixed in effect on the body.In addition, though set person is referred to as teat on left and right wall of body and the partition wall, after itself and left and right wall or the partition wall combination, then have the function of snapping, therefore visual is snapping portion.And therefore setting snapping portion on the cover board can be referred to as teat because of having outstanding structure.

According to fiber adapter of the present utility model, can be the fiber adapter of SC, LC or other patterns.In addition, the fiber adapter of single worker (simplex), duplex (duplex) or other varied-mission versions is also applicable to the utility model.

Though the utility model discloses with previous examples, yet it is not in order to limit the utility model, the person that has the general knowledge in the technical field under any the utility model under the situation that does not break away from spirit and scope of the present utility model, can do various changes and modification.Therefore protection domain of the present utility model should be as the criterion by the accompanying Claim person of defining.

Claims

1. fiber adapter comprises:

One inner housing;

One body, has an axial room, defined by a first wall, one second wall, one the 3rd wall and a wall and to be formed, wherein this first wall is relative with the 3rd wall, and with this second and wall link to each other, this first wall is provided with one and accesses opening, and to insert this appearance indoor for this inner housing, this second and wall on be formed with a teat respectively; And

One cover plate in order to cover the opening that accesses on this first wall, wherein is formed with a plurality of snapping portion on this cover plate, respectively in order to described teat snapping.

2. fiber adapter as claimed in claim 1, wherein said snapping portion is a grab.

3. fiber adapter as claimed in claim 1 is formed with the inclined-plane in the wherein said snapping portion, uses for described teat and slides thereon.

4. fiber adapter as claimed in claim 1 is formed with the inclined-plane on the wherein said teat, uses for described snapping portion and slides thereon.

5. fiber adapter as claimed in claim 1, wherein said snapping portion has a vertical component effect and by the extended horizontal part of this vertical component effect, described horizontal part is respectively in order to be connected on the described teat.

6. fiber adapter as claimed in claim 1, wherein this fiber adapter is SC type or LC type fiber adapter.

7. fiber adapter as claimed in claim 1, wherein this fiber adapter is the fiber adapter of duplexing type.