CN201425641Y

CN201425641Y - Rotary-clamp FC-type optical fiber adapter

Info

Publication number: CN201425641Y
Application number: CN2009201305177U
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 relates to a rotary-clamp FC-type optical fiber adapter, which comprises a connecting seat, a connecting piece matched and connected with the connecting seat, and collimation membersarranged in the connecting seat and the connecting piece; a clamping groove is formed at one end of the connecting piece; and a bayonet capable of being clamped in the clamping groove is arranged inthe connecting seat. The rotary-clamp FC-type optical fiber adapter, which is provided by the utility model, has the advantages as follows: by clamping the bayonet on the connecting seat into an inserting groove and a positioning groove formed on the connecting piece, the connection between the connecting seat and the connecting piece can be realized, and the connection is convenient, fast and reliable; the structure is simple and easy to manufacture; the production cost is reduced; and the optical fiber adapter is hard to break.

Description

Rotary clamp type FC type fiber adapter

Technical field

The utility model belongs to optical-fibre communications physical connection part technical field, relates in particular to a kind of rotary clamp type FC type fiber adapter.

Background technology

Optical communication is to both direction evolution: to the extension and the two-forty of user terminal.

1. to the extension of user terminal

Traditional optical fibre connecting method is to flexibly connect with two different optical fiber permanent fixations connections or with connector, and flexible connection obtains using more widely because of its characteristics that can repeat to continue.

In traditional optical transfer network, the point that optical fiber need connect not is a lot, so traditional flexible jumper had once adopted metal material widely, as FC type and ST type adapter.But along with successively decreasing of this non-renewable resource of metal, transferred the SC type and the Lucent Connector that use plastic material in the world to and be the master, accounted for 70% of total connector quantity.But because China's historical reasons, present still custom is used the FC type adapter of metal material, accounts for 60% of total connector quantity.

Along with the development of FTTH with optic fibre extension to user terminal, the quantity that fiber adapter uses is blast situation ground and increases, and therefore low-costly requires more and more to highlight, and the surge of quantity that also is difficult to satisfy the demands of the turning cooked mode of original metalwork; China is still continuing use FC type adapter on the other hand, how under the guaranteed performance future, realizes low-cost and production in enormous quantities becomes urgent problem.

Though adapters such as traditional SC, LC, MU, MT-RJ, MPO, MPT, E200 have adopted plastic material, but substantially all form in the production run by ultrasonic soldering, its production efficiency is lower, equally has the problem of production efficiency with traditional FC adapter.

2. two-forty

Dense wave division multiplexer has greatly improved the optical fiber transinformation, also causes simultaneously increasing severely by the energy of optical fiber, and these energy all concentrate on the narrow and small surface of fibre core rather than relatively large optical fiber cross section, so that the energy density on fibre core surface is so great that is surprising.Particularly traditional FC metal adapter because plug and adapter have all adopted coat of metal technology, when screwed, can produce the cutting effect, and the impurity that metallic dust forms even cause burning at ceramic end face causes adapter to damage.Therefore, existing FC metal adapter can't solve this new technology requirement.

The utility model content

The purpose of this utility model is to overcome the deficiency of the plastic adapter of traditional FC type adapter and other type, aims to provide a kind of low cost, production efficiency height, non-damageable rotary clamp type FC type fiber adapter.

The utility model is to realize like this, a kind of rotary clamp type FC type fiber adapter, the web member that comprises Connection Block, is connected with described Connection Block, be located at the collimation spare in described Connection Block and the web member, one end of described web member offers draw-in groove, is provided with the bayonet lock that can snap in the described draw-in groove in the described Connection Block.

Further, described draw-in groove comprises the insertion groove of axial setting and the locating slot of the circumferential setting that is connected with described insertion groove.

Further, described Connection Block comprises that flange reaches and the first integrally manufactured thread end of described flange, and described bayonet lock is located in the endoporus of described flange; The other end of described web member is threaded second thread end of processing.

Further, described flange is square, rectangle, circle, ellipsoidal structure; Perhaps its both sides are cambered surface, and both sides are the planar combination structure in addition.

Further, the crest of described first thread end and second thread end is an arc structure.

Further, described bayonet lock is located in the endoporus of described flange and along the axial setting of this endoporus.

Preferably, described Connection Block is made by nonmetallic materials.

Preferably, described web member is made by nonmetallic materials.

The rotary clamp type FC type fiber adapter that the utility model provides, by the bayonet lock on the Connection Block being revolved in the insertion groove and locating slot that snaps on the web member, realize being connected between Connection Block and the web member, easy to connect, quick, reliable, and simple in structure, easy manufacturing, reduced production cost, and not fragile.

Description of drawings

Fig. 1 is the synoptic diagram of the flange of the square structure that provides of the utility model embodiment;

Fig. 2 is the synoptic diagram of the flange of the arcuate structure that provides of the utility model embodiment;

Fig. 3 is the vertical view of the flange of the arcuate structure that provides of the utility model embodiment;

Fig. 4 is the decomposing schematic representation of the rotary clamp type FC type fiber adapter that provides of the utility model embodiment;

Fig. 5 a is first thread end that provides of the utility model embodiment or the helicitic texture synoptic diagram of second thread end;

Fig. 5 b is the enlarged diagram at M place among Fig. 5 a.

Embodiment

In order to make the purpose of this utility model, technical scheme and advantage 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.

As Fig. 1～shown in Figure 4, a kind of rotary clamp type FC type fiber adapter that the utility model embodiment provides, comprise Connection Block 1, the web member 2 that is connected with described Connection Block 1, be located at the collimation spare 3 in described Connection Block 1 and the web member 2, described Connection Block 1 is hollow member and non-metallic material with web member 2; Described Connection Block 1 comprises flange 11 and first thread end 12 integrally manufactured with described flange 11, and the endoporus of described flange 11 is provided with a bayonet lock 112 for 111 li, and described bayonet lock 112 is along the axial setting of this endoporus 111; One end of described web member 2 offers draw-in groove, and this draw-in groove comprises the insertion groove 21 of axial setting and the locating slot 22 of the circumferential setting that is connected with described insertion groove 21, and the other end of described web member 2 is threaded second thread end 23 of processing; Described bayonet lock 112 can correspondence snap in described insertion groove 21 and the locating slot 22.

Particularly, when described Connection Block 1 is connected with web member 2, will collimates part 3 earlier and put into along the axis direction of endoporus 111 and put into flange 11; Web member 2 inserts Connection Block 1 along the axis direction of endoporus 111 then, makes insertion groove 21 and bayonet lock 112 align and be inserted into the bottom of insertion groove 21, realizes the axial restraint of Connection Block 1 and web member 2; Make bayonet lock 112 be positioned at the end of locating slot 22 along its certain angle that rotates in a circumferential direction web member 2 again, realize the circumferentially fixing of Connection Block 1 and web member 2.

When rotary clamp type FC type fiber adapter that is provided as the utility model embodiment and optical fiber coupling, two FC type plugs that mated with the utility model insert along the axial direction of collimation part 3 respectively, the contact pin of Optical fiber plug achieves a butt joint in collimation part 3, thereby realizes the purpose of FC type optical fiber coupling.Rotary clamp type FC type fiber adapter provided by the utility model, connect simple and reliable, production cost is low.

Below each parts of rotary clamp type FC type fiber adapter provided by the utility model are introduced in detail.

As Fig. 1, Fig. 2 and shown in Figure 3, flange 11 provided by the utility model can be square (flange 11 as shown in Figure 1), rectangle, circle, ellipsoidal structure; Perhaps its both sides are cambered surface, and both sides are planar combination structure (flange 11 as shown in Figures 2 and 3) in addition, and the flange 11 of this arcuate structure can guarantee the requirement of installing and using of fiber adapter, can effectively reduce raw-material use again.

In addition, shown in Fig. 5 a and Fig. 5 b, particularly, described first thread end 12 and second thread end 23 are non-standard tooth form structure, and the crest of this first thread end 12 and second thread end 23 is an arc structure, to the wearing and tearing of crest, prolonged the repeated use number of times of product when this helicitic texture has reduced screw-threaded engagement effectively, what make that fiber adapter meets or exceeds the relevant industries standard repeats to plug number of times; Because first thread end 12 adopts nonmetallic materials to make with second thread end 23, solved metallic dust that traditional FC metal adapter produces and cause burning and cause the problem of adapter damage when screwed at ceramic end face.

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 rotary clamp type FC type fiber adapter, the web member that comprises Connection Block, is connected with described Connection Block, be located at the collimation spare in described Connection Block and the web member, it is characterized in that: an end of described web member offers draw-in groove, is provided with the bayonet lock that can snap in the described draw-in groove in the described Connection Block.

2, rotary clamp type FC type fiber adapter as claimed in claim 1 is characterized in that: described draw-in groove comprises the insertion groove of axial setting and the locating slot of the circumferential setting that is connected with described insertion groove.

3, rotary clamp type FC type fiber adapter as claimed in claim 1 or 2 is characterized in that: described Connection Block comprises that flange reaches and the first integrally manufactured thread end of described flange, and described bayonet lock is located in the endoporus of described flange; The other end of described web member is threaded second thread end of processing.

4, rotary clamp type FC type fiber adapter as claimed in claim 3 is characterized in that: described flange is square, rectangle, circle, ellipsoidal structure; Perhaps its both sides are cambered surface, and both sides are the planar combination structure in addition.

5, rotary clamp type FC type fiber adapter as claimed in claim 3, it is characterized in that: the crest of described first thread end and second thread end is an arc structure.

6, rotary clamp type FC type fiber adapter as claimed in claim 3 is characterized in that: described bayonet lock is located in the endoporus of described flange and along the axial setting of this endoporus.

7, rotary clamp type FC type fiber adapter as claimed in claim 1, it is characterized in that: described Connection Block is made by nonmetallic materials.

8, rotary clamp type FC type fiber adapter as claimed in claim 1, it is characterized in that: described web member is made by nonmetallic materials.