CN201425635Y

CN201425635Y - SC type optical fiber backplane adapter

Info

Publication number: CN201425635Y
Application number: CN2009201303398U
Authority: CN
Inventors: 丁深根; 宋启兴; 邓伟
Original assignee: Shenzhen Sunsea Telecommunications Co Ltd
Current assignee: Shenzhen Sunsea Telecommunications Co Ltd
Priority date: 2009-04-03
Filing date: 2009-04-03
Publication date: 2010-03-17
Anticipated expiration: 2019-04-03

Abstract

The utility model discloses an SC type optical fiber backplane adapter comprising an SC type flange, a clamping groove part removably and fixedly connected with the SC type flange, and a collimating part which is positioned in the SC type flange and the clamping groove part and allows the penetration of optical fiber, wherein the clamping groove part is provided with a clamping part elastically clamped and fixedly combined with SC type optical fiber plugs. Therefore, when one SC type optical fiber plug is combined with the SC type flange while the other SC type optical fiber plug is combined with the clamping groove part, a reliable and high-efficient optical fiber coupling system can be formed on the backplane; the clamping groove part is elastically clamped and fixedly combined with theSC type optical fiber plugs through the clamping part, thereby ensuring that the clamping part and the SC type optical fiber plugs can be easily separated under the strained condition; and meanwhile,compared with the connecting seat in the prior art, the clamping groove part can save more materials.

Description

SC type optical fiber backboard adapter

Technical field

The utility model relates to optical fiber communication physical connection technical field, more particularly, relates to a kind of SC type optical fiber backboard adapter.

Background technology

In the prior art, the method that two different fiber are continued comprises following two kinds, and a kind of is that two different optical fiber permanent fixations are connected; A kind of is to utilize connector (adapter that connector generally includes Optical fiber plug and removably connects with this Optical fiber plug) to flexibly connect.Flexible connection has the advantage that can repeat to continue, thereby has obtained utilization widely.

The development of FTTH (Fiber To The Home) is arrived user terminal with optic fibre extension, and the quantity of fiber adapter is explosive growth.In this case, cost is exactly the important indicator of fiber adapter competitive power of concerning.

The production of various adapters mainly comprises following two kinds of technologies in the prior art:

The one, utilize the processing of metal material car pin, this technology exists production efficiency lower, the shortcoming that material and production cost are high;

The 2nd, utilize plastic material injection moulding processing, adapters such as for example traditional SC, LC, MU, MT-RJ, MPO, MPT, E200 all are plastic material, but because the structure of adapter is comparatively complicated, above-mentioned each parts substantially all form by ultrasonic soldering, and this just makes adapter finished product packaging efficiency still very low.

So under the prerequisite that guarantees the adapter performance, how to realize reducing cost and can produce just the become industry technical matters being badly in need of solving in enormous quantities.

Various adapter of the prior art has all adopted outward appearance and the structure that meets industry standard, and the consumption of material is bigger usually.Therefore, realizing identical function and can meet under the condition of industry standard that how the structure of reducing adaptor also is to reduce the effective means of adapter manufacturing cost with economical with materials.

In addition, after being connected, need between SC type Optical fiber plug and the Connection Block in the prior art to rely on instrument to dismantle, and the complex structure of Connection Block, materials are more.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of SC type optical fiber backboard adapter, and it can constitute reliably and cheaply fiber coupling system with Optical fiber plug.

For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of SC type optical fiber backboard adapter is provided, the card slot part that comprises SC type flange, detachably fixedlys connected with described SC type flange, be positioned at the collimation part that described SC type flange and card slot part wear for optical fiber, described card slot part has with SC type Optical fiber plug elasticity and fixes the holding section that combines.

Like this, when a SC type Optical fiber plug combines with SC type flange, and another SC type Optical fiber plug can be realized reliably and efficiently fiber coupling system at the backboard place when combining with card slot part; Described card slot part fixes with SC type Optical fiber plug elasticity by the holding section and combines, and this also makes described holding section and SC type Optical fiber plug easier quilt under stressed state split; Simultaneously, card slot part is compared with Connection Block of the prior art and is saved material more.

Description of drawings

Fig. 1 is the decomposing schematic representation of analysing and observe of the utility model one preferred embodiment;

Fig. 2 is a schematic perspective view embodiment illustrated in fig. 1;

Fig. 3 be embodiment illustrated in fig. 1 in card slot part cooperate with SC type Optical fiber plug analyse and observe decomposing schematic representation;

Fig. 4 is the schematic perspective view of middle card slot part embodiment illustrated in fig. 1;

Fig. 5 is the perspective exploded view that cooperates with SC type Optical fiber plug embodiment illustrated in fig. 1.

Embodiment

In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

Please refer to Fig. 1 and Fig. 2, be a preferred embodiment of the present utility model, the card slot part 2 that comprises SC type flange 1, detachably fixedlys connected with described SC type flange 1, be positioned at the collimation part 3 that described SC type flange 1 and card slot part 2 wear for optical fiber, described card slot part 2 has the holding section 21 that combines with the fixing of SC type Optical fiber plug 4 (please refer to Fig. 5) elasticity.Like this, when a SC type Optical fiber plug (not shown) combines with SC type flange 1, and another SC type Optical fiber plug 4 can be realized reliably and efficiently fiber coupling system at the backboard place when combining with card slot part 2; Described card slot part 2 fixes with SC type Optical fiber plug 4 elasticity by holding section 21 and combines, and this also makes described holding section 21 split with SC type Optical fiber plug 4 easier quilt under stressed state; Simultaneously, the structure of card slot part 2 meets under the situation of industry standard in assurance, saves material more.

Below above-mentioned each ingredient is described in detail respectively.

Please in conjunction with reference Fig. 3 and Fig. 4, described card slot part 2 is made by nonmetallic materials, and comprises flange connecting portion 22 and holding section 21, and described holding section 21 is around described SC type Optical fiber plug 4 and have back-off 211 with its fastening.For convenience of entering of SC type Optical fiber plug 4, described back-off 211 has the inclined-plane towards described SC type Optical fiber plug 4.After SC type Optical fiber plug 4 enters, back-off 211 promptly with SC type Optical fiber plug 4 on boss 41 fix.

Described holding section 21 comprises and described SC type Optical fiber plug 4 fastens circle segment 213 and the resiliency supported part 212 between described circle segment 213 and described flange connecting portion 22.Like this, when needs split SC type Optical fiber plug 4, at A on (please refer to Fig. 5), push described circle segment 213 and resiliency supported part 212, make it produce elastic deformation, thus increase B among Fig. 5 to size, can make that described back-off 211 is easier to break away from SC type Optical fiber plug 4.

In order further to increase elasticity, in the present embodiment, described resiliency supported part 212 is two elasticity fins that extend along described collimation part 3 length directions.

In addition, in the present embodiment, described circle segment 213 is square, and described back-off 211 is located at described square two relative edges' inboard, is concaved with at least one groove 214 respectively in described foursquare four corners.Like this, when circle segment 213 is stressed, just can shrink easier position, thereby described back-off 211 and SC type Optical fiber plug 4 are broken away from described groove 214.Certainly, described circle segment 213 is other shapes not also, as circle, rectangle etc.

Like this, adopt the card slot part 2 of said structure can replace SC type plug Connection Block of the prior art fully, not only be convenient to split, and material-saving more, thereby greatly reduce cost.

In order to realize detachably fixedlying connected of described card slot part 2 and SC type flange 1, the inwall of described SC type flange 1 is provided with two boss (not shown)s, the lateral wall of the flange connecting portion 22 of described card slot part 2 is provided with two L shaped draw-in grooves 222, described L shaped draw-in groove 222 comprises Outboard Sections 223 and inside part 224, described Outboard Sections 223 extends along the length direction of described collimation part 3, and described inside part 224 extends along the outer wall of described flange connecting portion 22.Like this,, the Outboard Sections 223 of boss by described L shaped draw-in groove 222 can be slipped into when docking with flange connecting portion 22 card slot part 2 when SC type flange 1, rotation makes this boss enter into inside part 224 then.SC type flange 1 is promptly realized and detachably the fixedlying connected of card slot part 2.In order to prevent that both from the phenomenon that gets loose or be pivoted relative to each other occurring after connection, described boss further extends a protruding (not shown), and inside part 224 correspondence positions of described L shaped draw-in groove 222 are provided with a depression 225 of coincideing with described projection.

In the present embodiment, the quantity of described boss and L shaped draw-in groove 222 is two, and symmetry is located on described SC type flange 1 inwall and the described card slot part 2 flange connecting portions 22 respectively.

The structure of collimation part 3 and principle of work and collimation part of the prior art are roughly the same, do not give unnecessary details at this.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1, a kind of SC type optical fiber backboard adapter, it is characterized in that: the card slot part that comprises SC type flange, detachably fixedlys connected with described SC type flange, be positioned at the collimation part that described SC type flange and card slot part wear for optical fiber, described card slot part has with SC type Optical fiber plug elasticity and fixes the holding section that combines.

2, SC type optical fiber backboard adapter as claimed in claim 1, it is characterized in that: described card slot part is made by nonmetallic materials, and comprises flange connecting portion and holding section, and described holding section is around described SC type Optical fiber plug and have back-off with its fastening.

3, SC type optical fiber backboard adapter as claimed in claim 2, it is characterized in that: described holding section comprises and described SC type Optical fiber plug fastens circle segment and the resiliency supported part between described circle segment and described flange connecting portion, described back-off is positioned at described circle segment inboard.

4, SC type optical fiber backboard adapter as claimed in claim 3 is characterized in that: described resiliency supported partly is two elasticity fins that extend along described collimation part length direction.

5, SC type optical fiber backboard adapter as claimed in claim 3 is characterized in that: described circle segment is square, and described back-off is located at described square two relative edges' inboard, is concaved with at least one groove respectively in described foursquare four corners.

6, SC type optical fiber backboard adapter as claimed in claim 5 is characterized in that: described back-off has the inclined-plane that convenient described SC type Optical fiber plug enters.

7, SC type optical fiber backboard adapter as claimed in claim 2, it is characterized in that: described SC type flange inner wall is provided with at least one boss, the lateral wall of described card slot part flange connecting portion is provided with the quantity L shaped draw-in groove corresponding with described boss, described L shaped draw-in groove comprises Outboard Sections and inside part, described Outboard Sections extends along the length direction of described collimation part, and described inside part extends along the outer wall of described flange connecting portion.

8, SC type optical fiber backboard adapter as claimed in claim 7, it is characterized in that: described boss further extends a projection, and the inside part correspondence position of described L shaped draw-in groove is provided with a depression of coincideing with described projection.

9, SC type optical fiber backboard adapter as claimed in claim 7, it is characterized in that: the quantity of described boss and L shaped draw-in groove is two, and symmetry is located on described SC type flange inner wall and the described card slot part flange connecting portion respectively.