CN202141833U

CN202141833U - Fiber connection cold connector

Info

Publication number: CN202141833U
Application number: CN201120203961U
Authority: CN
Inventors: 虞雪峰
Original assignee: CIXI HEFASIER COMMUNICATION EQUIPMENTS Co Ltd
Current assignee: CIXI HEFASIER COMMUNICATION EQUIPMENTS Co Ltd
Priority date: 2011-06-14
Filing date: 2011-06-14
Publication date: 2012-02-08
Anticipated expiration: 2021-06-14

Abstract

Provided is a fiber connection cold connector, comprising a housing which comprises an upper housing and a lower housing; an intermediate part of the lower housing is provided with a groove for accommodating the upper housing, and an upper surface of the groove possesses a V-shaped groove for accommodating fibers; the upper housing is located in the groove and is cooperated with the lower housing to compact two butt joint fibers in the V-shaped groove; an upper surface intermediate part of the upper housing possesses a protruding part, and the upper surface of the upper housing possesses an inclined surface which inclines to two ends of the upper housing from the intermediate protruding part; two sides of the protruding part of the upper housing are respectively sleeved with a compacting heap, a through hole in which is cooperated with the inclined surface of the upper housing to compact the upper housing and the lower housing. According to the utility model, the compacting heap is cooperated with the inclined surface of the upper housing to compact the upper housing and the lower housing, and furthermore to fix end faces of the two fibers and to raise the connection performance of the fiber connection cold connector; the structure is simple, and the manufacture and assembling are very convenient.

Description

A kind of optical fiber connects cold connector

Technical field

The utility model relates to a kind of optical fiber splicing device, particularly relates to a kind of optical fiber and connects cold connector.

Background technology

The cold joint connector product of existing fiber alignment, the main end realization fiber alignment of fixing two optical fiber through the sheet metal that compresses doubling.Wherein, In the sheet metal of doubling, be provided with the V-type groove that is used for fiber alignment; The junction, end of two optical fiber splashes into fluent meterial improving light transmission, thus the action of hold down gag be through Xia Ya ?the shape fixed block slit of reducing the doubling sheet metal compress the butt joint that two optical fiber are realized optical fiber.The sheet metal of this structure produces when aging owing to produce to expand with heat and contract with cold to change with the time in temperature variation, can produce distortion, and the distance between its two fiber end faces that compress is strengthened, and causes quality of connection to descend.And the cold joint connector of this structure, when constructing operation, need use special-purpose instrument, use and carry all very inconvenience.

Therefore present cold splice for optical fibers like the disclosed a kind of optical fiber connector of Chinese patent CN201152903Y, comprises housing and ferrule.Housing comprises upper shell and lower house, and upper shell and lower house are superimposed with each other, and on the upper surface of lower house, is provided with the optical fiber duct of optical fibre, and optical fiber duct comprises sleeve pipe slot part that is used for the optical fibre sleeve pipe and the guiding groove section that is positioned at sleeve pipe slot part both sides.Ferrule is arranged in the sleeve pipe slot part; Be provided with at the center of ferrule one be used for the optical fibre fibre core through hole, on the outer wall of ferrule, be provided with groove, be provided with opening in the bottom of groove; Opening and through hole UNICOM, the width of opening is less than the diameter of fiber core.This optical fiber connector comprises that also being arranged on the housing both sides is used to clamp system that lower house is clamped each other.This optical fiber connector adopts the aligning original paper of metal ferrule as optical fiber, and adopting earlier to optical fiber, the fixing again mode of aligning realizes continuing of optical fiber.Though this optical fiber connector is easy to assembly, the time need not to use other specific purpose tool in construction, its structure is complicated, and is higher to the requirement on machining accuracy of cold splice for optical fibers, and, assemble up also cumbersome, produce and operating efficiency lower.

The utility model content

The utility model technical matters to be solved provide a kind of simple in structure, continue reliable and when construction, need not and use the optical fiber of specific purpose tool to connect cold connector.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of optical fiber connects cold connector; Comprise housing; Said housing comprises upper shell and lower house, has the groove of ccontaining this upper shell on the pars intermedia of said lower house, and has the V-type groove of optical fibre on the upper surface of this groove; Said upper shell is positioned at two butt joint optical fiber that this groove matches with lower house and compresses this V-type groove; It is characterized in that: the centre of the upper surface of said upper shell has a teat, and the upper surface of upper shell has the dip plane, and this dip plane begins to be tilted to down towards the upper shell two ends from the teat of this centre; The both sides of the teat of said upper shell respectively are with a compact heap, and the through hole in the said compact heap matches with the dip plane of upper shell and compresses upper shell and lower house.This optical fiber connects cold connector and matches through the dip plane on the upper surface of compact heap and upper shell and closely compress this upper shell and lower house; And then fixed fiber connects the end face of two optical fiber that are bonded with each other in the cold connector; Improve the switching performance that this optical fiber connects cold connector, this cold connector is simple in structure, make and assembling all very convenient.

In order to be fixed the afterbody of optical fiber; The two ends of said lower house have the end, have the through hole that is communicated to the V-type groove in the middle of the said end, are used for the afterbody of optical fibre in this through hole; Has open communication to this through hole on two facing surfaces of said end; Have flexure strip on this opening, an end of this flexure strip is fixedly connected on the opening, the afterbody of the movable pressed fiber to the inside of the other end.

Preferably, the mobilizable end size of said flexure strip is big and protrude in the outside surface of this end, and the outside of this flexure strip is with clamping sleeve and makes the mobilizable end of the said flexure strip afterbody of pressed fiber to the inside.

Efficiency of assembling is improved in the location during for the ease of assembling, has the flange face that is used to locate clamping sleeve between the pars intermedia of said two ends and said lower house respectively.

Preferably, closely cooperate more in order to make compact heap and housing, one of them inside surface of the through hole of said compact heap tilts to the other end from an end of this compact heap, and the dip plane of inclined degree and this upper shell is complementary.

For fixedly upper shell and lower house better, the two bottom sides of said upper shell has the fixture block outstanding towards the below, and the upper surface both sides of the groove of said lower house have the groove that fastens with this fixture block.

For the ease of when assembling location, have the teat that the teat with said upper shell is complementary in the middle of the lower surface of said lower house, said compact heap is resisted against on the teat of teat and lower house of this upper shell.

Compared with prior art; The advantage of the utility model is that this optical fiber connection cold connector uses compact heap to cooperate with the inclined-plane of upper shell and compresses upper and lower casing; Not only simple in structure, easy to assembly, and make that the connection reliability of cold connector is high, can use for a long time.This optical fiber connects cold connector and adopts flexure strip and clamping sleeve matching and fixing optical fiber afterbody, prevents rocking of optical fiber afterbody, has further improved the connection reliability of this optical fiber connection cold connector.And this optical fiber connects cold connector when construction, need not use any aid, easy construction, and operating efficiency and working (machining) efficiency be improve greatly all.

Description of drawings

Fig. 1 connects the schematic perspective view of cold connector for the utility model optical fiber.

Fig. 2 connects the cut-open view of cold connector for the utility model optical fiber.

Fig. 3 connects the exploded view of cold connector for the utility model optical fiber.

Fig. 4 connects the synoptic diagram of the compact heap of cold connector for the utility model optical fiber.

Fig. 5 is the cut-open view of Fig. 4, and wherein Fig. 5 a is the cut-open view along A-A line among Fig. 4, and Fig. 5 b is the cut-open view along B-B line among Fig. 4.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

The optical fiber of the utility model connects cold connector, shown in Fig. 1-5, comprises housing 1, is placed in the compact heap 2 of hull outside, and the clamping sleeve 3 that is placed in the outside, housing two ends.

Housing 1 comprises upper shell 11 and lower house 12; Have on the pars intermedia of this lower house 12 one be used for ccontaining upper shell 11 groove 14; The V-type groove 13 that wherein has optical fibre on the upper surface of the groove 14 of lower house 12, upper shell 11 are positioned at closely cooperate two of compressing V-type groove 13 of this groove 14 and lower house 12 and dock optical fiber 4.Have a teat 111 in the middle of the upper surface of this upper shell 11, have a dip plane 112 on the upper surface of upper shell 11, this dip plane 112 begins to be tilted to down gradually to both sides from this teat 111.The both sides, below of this upper shell 11 also have outstanding downwards fixture block 113, are complementary fixing better this upper shell 11 and lower house 12 with the groove 123 of the upper surface both sides of lower house 12.

Compact heap 2 is middle cartridge with through hole 21, the cross section of its through hole 21, and as shown in Figure 5, an end of the through hole 21 in the middle of the compact heap 2 is narrower, other end broad.As shown in Figure 5, on the above-below direction of through hole 21, the bottom surface of through hole 21 is level, and the upper surface is inclined upwardly from front to back gradually, shown in Fig. 5 a; And on the left and right directions, the width of through hole 21 is constant, shown in Fig. 5 b.One of them inside surface that is to say the through hole 21 of said compact heap 2 is complementary to the dip plane 112 of other end inclination and inclined degree and upper shell 11 from an end of this compact heap 2.The top outer of compact heap 2 also has some sipe, operation when person easy to use promotes compact heap 2.Therefore this compact heap 2 is complementary with dip plane 112 on the upper shell 11; And compact heap 2 is placed in the both sides of the outside of upper shell 11 and lower house 12 near teat 111; Not only be easy to installing and locating; And should compress upper shell 11 and lower house 12 from the both direction of the left and right sides respectively through this compact heap 2, make in the V-type groove 13 about two end faces that connect optical fiber fix, have reliable switching performance.Preferably, in the centre of the lower surface of lower house 12, also have the middle teat 111 corresponding teats 121 with the upper surface of this upper shell 11, the teat 121 of this lower house 12 is located the position of this compact heap 2 with the teat 111 of upper shell 11.

The two ends of lower house 12 have two ends 15, have the afterbody that the through hole 152 that is communicated to V-type groove 13 is used for the optical fiber of ccontaining connection in this end 15.On two facing surfaces of this end 15, the opening 151 with symmetry is communicated to this through hole 152, and is as shown in Figure 3, is two surfaces up and down, also can be about two surfaces.Have flexure strip 16 on this opening 151, an end of flexure strip 16 is fixedly connected on the opening 151 of end 15, and the other end can the movable to the inside afterbody that compresses the optical fiber in the through hole 152.The size of flexure strip 16 mobilizable ends is bigger, protrudes in the surface of end 15.Therefore can on end 15, be with clamping sleeve 3 end of the activity of flexure strip 16 is pushed the afterbody of fixed fiber to the inside, prevent rocking of optical fiber afterbody, improve the reliability that continues that this optical fiber connects cold connector more.Preferably, between the pars intermedia of two ends 15 of this lower house 12 and lower house 12, have flange face 122 respectively, be convenient to locate the position of this clamping sleeve 3.

This optical fiber connects cold connector, and is not only simple in structure, easy to assembly, and connection reliability is high, can use for a long time, and this optical fiber connects cold connector when construction, need not use any aid, easy construction, and operating efficiency and working (machining) efficiency be improve greatly all.

Although more than described the preferred embodiment of the utility model in detail, should be expressly understood that for a person skilled in the art, the utility model can have various changes and variation.Any modification of being done within all spirit and principles at the utility model, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.

Claims

1. an optical fiber connects cold connector; Comprise housing (1); Said housing (1) comprises upper shell (11) and lower house (12); The groove (14) that has ccontaining this upper shell (11) on the pars intermedia of said lower house (12); And the V-type groove (13) that has optical fibre on the upper surface of this groove (14), said upper shell (11) are positioned at two butt joint optical fiber that this groove (14) matches with lower house (12) and compresses this V-type groove (13), and it is characterized in that: the centre of the upper surface of said upper shell (11) has a teat (111); And the upper surface of upper shell (11) has dip plane (112); This dip plane (112) is tilted to down towards upper shell (11) two ends from teat (111) beginning of this centre, and the both sides of the teat (111) of said upper shell (11) respectively are with a compact heap (2), and the through hole (21) in the said compact heap (2) matches with the dip plane (112) of upper shell (11) and compresses upper shell (11) and lower house (12).

2. optical fiber as claimed in claim 1 connects cold connector; It is characterized in that: the two ends of said lower house (12) have end (15); Has the through hole (152) that is communicated to V-type groove (13) in the middle of the said end (15); The afterbody that is used for optical fibre in this through hole (152) has opening (151) on two facing surfaces of said end (15) and is communicated to this through hole (152), has flexure strip (16) on this opening (151); One end of this flexure strip (16) is fixedly connected on the opening (151), the afterbody of the movable pressed fiber to the inside of the other end.

3. optical fiber as claimed in claim 2 connects cold connector; It is characterized in that: the mobilizable end size of said flexure strip (16) is big and protrude in the outside surface of this end (15), and the outside of this flexure strip (16) is with clamping sleeve (3) and makes the mobilizable end of said flexure strip (16) afterbody of pressed fiber to the inside.

4. optical fiber as claimed in claim 3 connects cold connector, it is characterized in that: have the flange face (122) that is used to locate clamping sleeve (3) between the pars intermedia of said two ends (15) and said lower house (12) respectively.

5. optical fiber as claimed in claim 1 connects cold connector; It is characterized in that: one of them inside surface of the through hole (21) of said compact heap (2) tilts to the other end from an end of this compact heap (2), and the dip plane (112) of inclined degree and this upper shell (11) is complementary.

6. connect cold connector like each described optical fiber among the claim 1-5; It is characterized in that: the two bottom sides of said upper shell (11) has the fixture block (113) outstanding towards the below, and the upper surface both sides of the groove (14) of said lower house (12) have the groove (123) that fastens with this fixture block (113).

7. connect cold connector like each described optical fiber among the claim 1-5; It is characterized in that: have the teat (121) that the teat (111) with said upper shell (11) is complementary in the middle of the lower surface of said lower house (12), said compact heap (2) is resisted against on the teat (121) of teat (111) and lower house (12) of this upper shell (11).