CN114114557A - Quick jumper connector and optical fiber jumper - Google Patents
Quick jumper connector and optical fiber jumper Download PDFInfo
- Publication number
- CN114114557A CN114114557A CN202111470969.1A CN202111470969A CN114114557A CN 114114557 A CN114114557 A CN 114114557A CN 202111470969 A CN202111470969 A CN 202111470969A CN 114114557 A CN114114557 A CN 114114557A
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- China
- Prior art keywords
- cable
- base
- ferrule
- groove
- quick connector
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
- G02B6/3825—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3834—Means for centering or aligning the light guide within the ferrule
- G02B6/3838—Means for centering or aligning the light guide within the ferrule using grooves for light guides
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
- G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
- G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
- G02B6/3881—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using grooves to align ferrule ends
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The application relates to a jumper wire quick connector and an optical fiber jumper wire, wherein the jumper wire quick connector comprises a core inserting cable; the base is provided with a cavity for the insertion core cable to penetrate through, an opening is formed in one side of the base by the cavity, the insertion core cable is limited and installed in the cavity along the axial direction, and the base is provided with a sliding part and a connecting part along the axial direction of the insertion core cable; the elastic piece is sleeved outside the ferrule cable and drives the contact pin of the ferrule cable to be connected to the base in a floating mode; the coupling seat is used for covering the opening and comprises a connecting ring and a cover plate, the connecting ring is arranged in an annular shape, the cover plate is connected to the connecting ring, the cover plate is connected to the sliding part in a sliding mode, and the connecting ring is sleeved on the connecting part in a limiting mode and slides on the connecting part; the connecting ring and the connecting portion are mutually matched for connecting the adapter. This application has the convenience and walks the effect of line at the job site for the lock pin cable can pass from the pipeline alone, and the efficiency of field assembly is higher, and stability is better.
Description
Technical Field
The application relates to the field of optical fiber jumpers, in particular to a jumper quick connector and an optical fiber jumper.
Background
A fiber optic jumper is a type of patch cord used to route links from equipment to fiber optics. According to the form of the connector, it can be divided into FC jumper, SC jumper, ST jumper, LC jumper, MPO jumper, and so on. SC jumper is particularly common in practical application, and a housing at a connector of the SC jumper is rectangular and is connected by plugging in and out in a latch type connection manner.
Generally, an SC jumper connector is usually prepared by prefabricating a ferrule and a rubber-insulated optical cable together, loading the ferrule and a spring into a ferrule holder, and sleeving the ferrule holder with a coupling sleeve designed as an SC-type connection structure. And because the whole plug core seat is connected with components such as the ceramic plug core in a riveting and other modes, the plug core seat is assembled into a whole in the delivery process, so that the plug core seat cannot be disassembled.
In the process of field construction, the rubber-insulated optical cable can pass through various cable pipelines to be wired, and due to the fact that the connector is large in size, the situation that the rubber-insulated optical cable cannot pass through the cable pipelines often occurs in the process of field construction, and therefore the rubber-insulated optical cable and the connector need to be constructed in a field assembly mode to facilitate wiring.
Disclosure of Invention
In order to facilitate wiring on a construction site, the application provides a jumper wire quick connector and an optical fiber jumper wire.
In a first aspect, the present application provides a jumper quick connector, which adopts the following technical scheme:
a jumper quick connector comprising:
a core-inserting cable;
the base is provided with a cavity for the insertion core cable to penetrate through, an opening is formed in one side of the base by the cavity, the insertion core cable is limited and installed in the cavity along the axial direction, and the base is provided with a sliding part and a connecting part along the axial direction of the insertion core cable;
the elastic piece is sleeved outside the ferrule cable and drives the contact pin of the ferrule cable to be connected to the base in a floating mode;
the coupling seat is used for covering the opening and comprises a connecting ring and a cover plate, the connecting ring is arranged in an annular shape, the cover plate is connected to the connecting ring, the cover plate is connected to the sliding part in a sliding mode, and the connecting ring is sleeved on the connecting part in a limiting mode and slides on the connecting part;
the connecting ring and the connecting portion are mutually matched for connecting the adapter.
Through adopting above-mentioned technical scheme, make the in-process of walking the line at the scene through prefabricating the lock pin cable and with the mode of casing tapping, can walk the lock pin cable from the pipeline alone, then assemble lock pin cable and casing again after walking the line and finishing. In the assembling process, the inserting core cable is firstly installed in the base, and then the coupling seat and the base are connected to complete the assembling between the coupling seat and the base. Therefore, the optical fiber connector can be connected with the adapter to complete the butt joint of the optical fibers. Meanwhile, the elastic piece meets the axial opposite insertion force required by the core inserting cable, and the transmission of optical signals can meet the transmission standard.
Preferably, the ferrule cable comprises a ferrule base, a contact pin and an optical cable, the contact pin is fixed at one end of the ferrule base, the optical cable penetrates through the other end of the ferrule base and is fixedly connected with the ferrule base, and bare fibers of the optical cable penetrate through the ferrule base and are fixed in the contact pin.
By adopting the technical scheme, the arrangement enables the contact pin and the optical cable to be constructed into a whole, so that the contact pin and the optical cable are kept relatively fixed through the connection of the plug core seat, when the shell is detached, the contact pin and the optical cable are not easy to loosen, and the convenience of field assembly is further improved.
Preferably, the outer periphery of the plug core seat is provided with a convex ring, the base is provided with a limiting groove for the convex ring to slide along the axial direction of the plug core cable, the elastic piece is sleeved on the plug core seat and is positioned in the limiting groove, and the elastic piece is abutted against the convex ring and drives the contact pin to always extend out of the connecting part.
Through adopting above-mentioned technical scheme, this kind of mode has realized the whole spacing installation of axial between the base of lock pin cable, simple structure, and easily production realizes.
Preferably, the base is provided with a rotation stopping block, the plug core seat is provided with a rotation stopping groove for the rotation stopping block to penetrate through, and the rotation stopping groove allows the rotation stopping block to axially slide relative to the plug core cable.
Through adopting above-mentioned technical scheme, this kind of arrangement makes after when the lock pin cable assembly in the connector housing, the lock pin cable is only allowed to carry out axial and slides, and can not take place circumferential direction for the reliability in the butt joint process is stronger, is difficult to cause the quality degradation of transmission because of becoming flexible.
Preferably, the coupling seat is provided with a pillow block which is arranged in the opening in a penetrating manner and is abutted against the ferrule seat.
Through adopting above-mentioned technical scheme, this kind of design can further improve the stability after lock pin cable and the assembly of connector housing, reliability when improving the butt joint.
Preferably, the cover plate is provided with side plates extending to two sides of the sliding part, the side plates are abutted to two sides of the sliding part, and the distance between the side plates is larger than the width of two sides of the connecting part.
Through adopting above-mentioned technical scheme, this kind of mode of setting can improve the spacing effect between apron and the portion that slides, improves joint strength. And make the coupling seat whole can connect through the mode of sliding, penetrate apron and curb plate from connecting portion and backward slide, can slide the curb plate to the corresponding position department of the portion both sides that slide to guide the go-between can be comparatively convenient wear to establish in the connecting portion, improve the convenience in the assembling process.
Preferably, the side plate and the sliding part are respectively provided with a convex strip and a groove which extend along the sliding direction of the cover plate, and the convex strip penetrates through the groove and slides in the groove.
Through adopting above-mentioned technical scheme, this kind of setting can be on the one hand at the apron in-process that slides and leads to the curb plate to the removal orbit of restriction curb plate, thereby guarantee that the apron can slide along predetermined orbit, make the go-between can accurately be established in the outside of connecting portion by the cover. On the other hand can also improve the joint strength between curb plate and the portion that slides after the assembly is accomplished for the apron is difficult to and takes place to become flexible between the portion that slides, thereby can further improve the holistic structural strength of connector.
Preferably, the cover plate is provided with a clamping hook, the sliding part is provided with a clamping groove for clamping the clamping hook, and the clamping groove is extended along the sliding direction of the cover plate and enables the clamping hook to slide along the extending direction of the clamping groove;
wherein at least one state is provided to make the connecting ring and the connecting part face each other and separate from each other.
Through adopting above-mentioned technical scheme, this kind of mode can guarantee to lap and can not loosen and take off in order to guarantee to lap and can reliably be connected between the portion of sliding between, and structural strength after the assembly is accomplished is higher, and simultaneously, this kind of design also can make the apron slide along established orbit to make the go-between can be established in the outside of connecting portion by accurate the cover, conveniently assemble.
Preferably, the both sides of connecting portion have the catching groove that supplies the buckle joint of adapter, be provided with on the go-between and supply the catching groove to expose between the district of stepping down, just be located on the go-between the both sides between the district of stepping down are provided with the groove that breaks away from that wears to establish in the both sides of the buckle that supplies the adapter, break away from the groove and have the guide surface that the guide buckle breaks away from the catching groove along the slip direction of go-between.
Through adopting above-mentioned technical scheme, this kind of setting makes the go-between can drive the buckle and break away from the catching groove at the in-process that removes to this kind of mode that sets up from top to bottom can be comparatively stable drive the buckle whole break away from the catching groove, thereby make the connector can comparatively stable and smooth and easy dismantle from the adapter, and the buckle wearing and tearing to the adapter are less.
In a second aspect, the optical fiber patch cord provided by the application adopts the following technical scheme:
an optical fiber jumper comprising an optical cable, at least one end of which is configured as the above jumper quick connector.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the device is suitable for field wiring;
2. the installation efficiency is high, and the assembly is convenient;
3. the structure intensity is high, the stability is good, and the transmission requirement can be met.
Drawings
Fig. 1 is a schematic diagram of a jumper quick connector.
Fig. 2 is a schematic structural view of the jumper quick connector when the coupling seat is separated from the base.
Fig. 3 is an assembly schematic between a ferrule cable and a base.
Figure 4 is a top view of the ferrule cable assembled with the base.
Fig. 5 is a front view of a jumper quick connector end.
FIG. 6 is a schematic diagram of a bottom coupling seat and a bottom base according to an embodiment.
FIG. 7 is a schematic diagram of another embodiment of a lower coupling seat and a base.
Fig. 8 is a schematic view of the mating relationship between the ferrule cable and the coupling seat.
Fig. 9 is a schematic view of the jumper quick connector from another perspective.
Fig. 10 is a schematic view of the snap-fit connection of the jumper quick connector to the adapter.
Description of reference numerals: 1. a core-inserting cable; 2. a base; 3. a coupling seat; 21. a cavity; 11. a plug seat; 12. inserting a pin; 13. an optical cable; 14. a convex ring; 211. a limiting groove; 15. an elastic member; 212. a rotation stopping block; 16. a rotation stopping groove; 22. a sliding part; 23. a connecting portion; 31. a connecting ring; 32. a cover plate; 33. a confinement structure; 34. a side plate; 35. a pillow block; 4. a convex strip; 5. a groove; 6. a hook is clamped; 7. a card slot; 231. buckling grooves; 311. a yield interval; 232. a large diameter section; 233. a small diameter section; 234. a blocking block; 235. a bump; 312. a blocking groove; 313. a disengagement groove; 314. a guide surface; a. and (5) buckling.
Detailed Description
The present application is described in further detail below with reference to figures 1-9.
The embodiment of the application discloses a jumper wire quick connector. Referring to fig. 1, it includes a prefabricated ferrule cable 1, a base 2, and a coupling seat 3. The base 2 and the coupling seat 3 are connected in a sliding mode to form a shell for containing the ferrule cable 1, the ferrule cable 1 extends into the shell from one end of the base 2 and the coupling seat 3 along the set direction and extends out of the shell from the other end of the base and the coupling seat 3, and the ferrule cable 1 can elastically float in a certain axial direction relative to the shell, so that the ferrule cable 1 always tends to extend outwards, and axial opposite force required by the ferrule cable 1 is met when the connector is connected with an adapter.
Referring to fig. 2, the base 2 has a cavity 21 for the insertion core cable 1 to pass through and mount, and the insertion core cable 1 can only allow a certain stroke of axial sliding in the axial direction in the cavity 21. The cavity 21 penetrates through one side of the base 2 and forms an opening for installing the ferrule cable 1, and after the coupling seat 3 is connected with the base 2, the coupling seat 3 can shield the opening of the cavity 21 to prevent the ferrule cable 1 from being separated from the shell, so that the ferrule cable 1 can be limited and installed in the shell.
Referring to fig. 3 and 4, the ferrule cable 1 includes a ferrule holder 11, a ferrule 12, and an optical cable 13, wherein a section of the ferrule holder 11 is used for the ferrule 12 to be inserted and fixed, the optical cable 13 is inserted into the ferrule holder 11 from the other end of the ferrule holder 11 after a cable sheath with a fixed length is stripped off, and a bare fiber is inserted into the ferrule 12 along a central hole of the ferrule 12, and at this time, the cable sheath of the optical cable 13 also partially penetrates through the ferrule holder 11 and is fixed with the ferrule holder 11. Wherein the end surface of one end of the bare fiber inserted into pin 12 is flush with the end surface of pin 12. Here, the optical cable 13 and the ferrule holder 11 may be clamped and fixed by caulking and deforming the ferrule holder 11, and the ferrule holder 11 and the bare fiber may be fixed to each other by gluing with epoxy glue or the like. It should be noted that the whole ferrule cable 1 is prefabricated at the time of factory shipment, that is, the ferrule holder 11, the ferrule 12 and the optical cable 13 are constructed as a non-detachable whole, and in a scene that the conditions are met, an auxiliary tool or the like can be used to assemble the ferrule cable 1 on site.
Further, the ferrule holder 11 has a protruding ring 14 along the outer circumference, a section of the cavity 21 is configured as a limiting groove 211 for the protruding ring 14 to pass through, and the limiting groove 211 can allow the protruding ring 14 to slide along the axis of the ferrule cable 1, so that the ferrule cable 1 can move along the housing in a certain axial direction. The axial elastic force of the ferrule cable 1 is provided by the elastic member 15, and the elastic member 15 is a spring, which is sleeved on the ferrule holder 11 and installed in the limiting groove 211. The two ends of the elastic element 15 are respectively abutted with the axial end of the limiting groove 211 and the convex ring 14, and the convex ring 14 is forced to always have the tendency of abutting with the groove wall of the axial other end of the limiting groove 211, and the elastic element 15 is positioned on one side of the convex ring 14 departing from the contact pin 12. It should be noted that the resilient member 15 is kept in a compressed state, so that the pin 12 always provides a certain axial abutment force when the connector is mated with the adapter, and the pin 12 always tends to protrude from the housing. So that the end surfaces of the pins 12 can be kept in close butt joint with the corresponding connectors during the butt joint process.
Furthermore, the base 2 and the bottom of the limiting groove 211 are integrally provided with a rotation stopping block 212, the protruding ring 14 is correspondingly provided with a rotation stopping groove 16 for the rotation stopping block 212 to penetrate through, and the rotation stopping groove 16 penetrates through two axial end faces of the protruding ring 14, so that the protruding ring 14 can make a certain axial relative movement with respect to the rotation stopping block 212, and the rotation stopping block 212 can also limit the protruding ring 14 to make a circumferential relative rotation. As an alternative embodiment, the rotation stopping groove 16 may be provided in a plurality relative to the circumferential direction of the convex ring 14, so that the mortise cable 1 can be installed in the housing in a multi-angle installation manner during the installation process.
Referring to fig. 2 and 5, for convenience of description, the base 2 is divided into a sliding portion 22 and a connecting portion 23 along the axial direction of the cavity 21, the coupling seat 3 includes a connecting ring 31 and a cover plate 32, the connecting ring 31 is disposed in a square ring shape, the cover plate 32 is connected to the cover plate 32 on one side of the connecting ring 31, the connecting ring 31 is sleeved and slides on the connecting portion 23 in a limited manner, the cover plate 32 is connected to the sliding portion 22 in a sliding manner, and the cover plate 32 and one side of the connecting ring 31 are mutually matched to form a plate body for covering the opening of the cavity 21. The connection ring 31 and the connection portion 23 are mutually matched to form a structure for connecting a corresponding adapter, and the connection ring 31 is provided with a limiting structure 33 which is arranged in the cavity 21 in a penetrating manner and mutually matched with the cavity 21 to form a structure for the sleeve of the adapter to penetrate.
Referring to fig. 2 and 6, as a specific embodiment, both sides of the cover plate 32 have side plates 34 extending to both sides of the sliding portion 22, and the side plates 34 abut against the sliding portion 22 to limit the sliding stroke of the cover plate 32 relative to the sliding portion 22. The width of the sliding part 22 is larger than that of the connecting part 23, so that the distance between the side plates 34 is larger than the width of the two sides of the connecting part 23, and the connecting part 23 can pass through the two side plates 34. During the installation process, the coupling seat 3 slides from one end of the base 2 to connect to the base 2 along the direction from the connecting portion 23 to the sliding portion 22, after the connecting portion 23 passes between the two side plates 34 and the side plates 34 correspondingly slide to the two sides of the sliding portion 22, the connecting ring 31 is sleeved on the connecting portion 23 from the end of the connecting portion 23 along with the continuous sliding of the coupling seat 3.
In order to align the connection ring 31 and the connection portion 23 and improve the connection strength of the cover plate 32 covering the sliding portion 22, a protruding strip 4 and a groove 5 extending along the sliding direction of the cover plate 32 are respectively arranged between the side plate 34 and the sliding portion 22, the protruding strip 4 can be just penetrated into the groove 5 and move relatively along the extending direction of the groove 5 and the protruding strip 4, and after the protruding strip 4 and the groove 5 are in one-to-one correspondence, the area enclosed by the connection ring 31 is just right opposite to the connection portion 23. When the protruding strip 4 is located on the side plate 34, the groove 5 is located on the sliding portion 22 correspondingly, and correspondingly, when the protruding strip 4 is located on the sliding portion 22, the protruding strip 4 is located on the side plate 34 correspondingly. Not only here, the number of the convex strips 4 and the concave grooves 5 may be two, three, etc., and it is not necessary that all the convex strips 4 are located on the side plate 34 or on the sliding portion 22, but it should be noted that when the convex strips 4 are located on the side plate 34, the distance between the convex strips 4 on both sides needs to be larger than the width of the connecting portion 23, so that the cover plate 32 and the side plate 34 can be smoothly connected with the sliding portion 22 through the connecting portion 23. On this basis, it is also possible to provide the side of the projecting strip 4 facing the fitting direction of the groove 5 as an inclined guide surface 314, so that the projecting strip 4 can be smoothly guided to be inserted into the groove 5.
Referring to fig. 7, in an embodiment, the cover plate 32 is provided with a hook 6, the sliding portion 22 is provided with a slot 7 for the hook 6 to be clamped, and the slot 7 is extended along the sliding direction of the cover plate 32 so that the hook 6 can slide along the extending direction of the slot 7, and the hook 6 is always kept to be matched with the slot 7 in the sliding process. In this state, at least one state is required to be provided so that the connection ring 31 and the connection portion 23 are opposed to and separated from each other with the slip of the hook 6 in the slot 7. In this case, when the hook 6 slides to the side of the slot 7 close to the connecting portion 23, the connecting ring 31 will slide to a state far away from the connecting portion 23, so that the connecting ring 31 and the connecting portion 23 are separated from each other. For the purpose of improving stability, the hooks 6 may be disposed in two rows on both sides of the cavity 21. In this embodiment, there is no rigid requirement between the width of the sliding portion 22 and the width of the connecting portion 23. In addition, the slot 7 may be disposed on the connecting portion 23 in a through manner, so that the hook 6 can be conveniently shifted to deform and disengage from the slot 7.
Referring to fig. 8, in this structural design, the coupling seat 3 is mainly used for covering the opening of the cavity 21 to prevent the ferrule cable 1 from being detached, and in order to improve the stability of the fixed ferrule cable 1, a pillow block 35 is disposed on the coupling seat 3 and inserted into the opening to abut against the convex ring 14 on the ferrule seat 11, and the pillow block 35 cooperates with the inner wall of the cavity 21 to form a substantially circular hole type cavity similar to the outer contour of the ferrule seat 11. Further, the pillow block 35 may abut against the elastic member 15 to limit the mounting area of the elastic member 15.
Referring to fig. 2, 9 and 10, the connection ring 31 and the connection portion 23 are configured to be adapted to the SC-type adapter, specifically, the connection portion 23 has a catching groove 231 for catching the catch a of the adapter on both sides, and the connection ring 31 is provided with an abdicating section 311 for exposing the catching groove 231. In a specific embodiment, the connecting portion 23 has a large diameter section 232 with a larger width and a small diameter section 233 with a smaller width, the large diameter section 232 is used for connecting the small diameter section 233 and the sliding portion 22, the small diameter section 233 is provided with a stopper 234, the stopper 234 is used for being inserted into the offset section 311 of the connecting ring 31, and the above-mentioned catching groove 231 is formed between the stopper 234 and the large diameter section 232. The inner side surface of the connecting ring 31 is abutted to the large-diameter section 232, the bump 235 is arranged on the large-diameter section 232, the connecting ring 31 is provided with a blocking groove 312 which is communicated with the abdicating area 311 and is used for the bump 235 to penetrate through, when the bump 235 penetrates through the blocking groove 312, the connecting ring 31 cannot be separated from one side of the connecting part 23, but certain extra force is applied, so that after deformation occurs between the bump 235 and the connecting ring 31, the connecting ring 31 and the connecting part 23 can be separated from each other.
The connection ring 31 and the two sides of the relief section 311 are provided with a separation groove 313 for the two sides of the buckle a of the adapter to pass through, the separation groove 313 has a guide surface 314 guiding the buckle a to separate from the buckle groove 231 along the sliding direction of the connection ring 31, and a certain gap is provided between a side wall of the relief section 311 facing the connector port and the blocking block 234, so that the protrusion 235 and the blocking groove 312 are matched with each other, so that the coupling seat 3 can slide to a certain extent relative to the base 2 as a whole. When the connector is in the original state, the buckle a of the adapter is simultaneously inserted into the buckle groove 231 and the disengagement groove 313, and moves relative to the buckle a of the adapter along with the sliding of the coupling seat 3, and the buckle a can be guided to be disengaged from the buckle groove 231 by the guide surface 314, so that the whole connector can be separated from the adapter.
Therefore, in addition, the sliding movement between the cover plate 32 and the sliding part 22 must reserve the movement amount required when the connection ring 31 and the connection part 23 move relative to each other, so as to ensure that the connector can be smoothly detached from the adapter.
The implementation principle of the jumper wire quick connector in the embodiment of the application is as follows:
in the installation, install the lock pin cable 1 to the cavity 21 of base 2 in step earlier, adopt the mode of connection of sliding to come to carry out interconnect between base 2 and the coupling seat 3 again, accomplish the quick installation of wire jumper quick connector. In addition, in the process of separating the quick connector from the adapter, the buckle a can be separated from the corresponding structure only by moving the coupling seat 3 on the outer side.
The application also discloses an optical fiber jumper which is composed of the optical cable 13 and the jumper quick connector, wherein at least one end of the optical cable 13 is constructed into the jumper quick connector.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A jumper quick connector, comprising:
a ferrule cable (1);
the plug core cable fixing device comprises a base (2), a fixing piece and a fixing piece, wherein the base (2) is provided with a cavity (21) for the plug core cable (1) to penetrate through, an opening is formed in one side of the base (2) by the cavity (21), the plug core cable (1) is axially limited and installed in the cavity (21), and the base (2) is provided with a sliding part (22) and a connecting part (23) along the axial direction of the plug core cable (1);
the elastic piece (15) is sleeved outside the ferrule cable (1) and drives the contact pin (12) of the ferrule cable (1) to be connected to the base (2) in a floating mode;
the coupling seat (3) is used for covering the opening and comprises a connecting ring (31) and a cover plate (32) connected to the connecting ring (31), the cover plate (32) is connected to the sliding part (22) in a sliding mode, and the connecting ring (31) is sleeved on the connecting part (23) in a limiting mode;
the connecting ring (31) and the connecting part (23) are mutually matched for connecting the adapter.
2. The jumper quick connector of claim 1, wherein: the ferrule cable (1) comprises a ferrule base (11), a contact pin (12) and an optical cable (13), wherein the contact pin (12) is fixed at one end of the ferrule base (11), the optical cable (13) penetrates through the other end of the ferrule base (11) and is fixedly connected with the ferrule base (11), and bare fibers of the optical cable (13) penetrate through the ferrule base (11) and are fixed in the contact pin (12).
3. The jumper quick connector of claim 2, wherein: the plug core is characterized in that a convex ring (14) is arranged on the outer periphery of the plug core seat (11), a limiting groove (211) for the convex ring (14) to slide along the axial direction of the plug core cable (1) is formed in the base (2), the elastic piece (15) is sleeved on the plug core seat (11) and located in the limiting groove (211), and the elastic piece (15) is abutted to the convex ring (14) and drives the plug pin (12) to always extend out of the connecting portion (23).
4. The jumper quick connector of claim 2, wherein: the plug core structure is characterized in that a rotation stopping block (212) is arranged on the base (2), a rotation stopping groove (16) for the rotation stopping block (212) to penetrate through is formed in the plug core seat (11), and the rotation stopping groove (16) allows the rotation stopping block (212) to axially slide relative to the plug core cable (1).
5. The jumper quick connector of claim 2, wherein: and a pillow block (35) which is arranged in the opening in a penetrating way and is abutted against the plug core seat (11) is arranged on the coupling seat (3).
6. The jumper quick connector according to any one of claims 1-5, wherein: the cover plate (32) is provided with side plates (34) extending to two sides of the sliding portion (22), the side plates (34) are abutted to two sides of the sliding portion (22), and the distance between the side plates (34) is larger than the width of two sides of the connecting portion (23).
7. The jumper quick connector of claim 6, wherein: curb plate (34) with be provided with respectively between portion of sliding (22) along the sand grip (4) and recess (5) of apron (32) slip direction extension, sand grip (4) wear to locate in recess (5) and in slide in recess (5).
8. The jumper quick connector according to any one of claims 1-5, wherein: the cover plate (32) is provided with a clamping hook (6), the sliding part (22) is provided with a clamping groove (7) for clamping the clamping hook (6), and the clamping groove (7) is extended along the sliding direction of the cover plate (32) and enables the clamping hook (6) to slide along the extending direction of the clamping groove (7);
wherein at least one state is provided for the connection ring (31) and the connection portion (23) to face each other and to be separated from each other.
9. The jumper quick connector of claim 1, wherein: the both sides of connecting portion (23) have catching groove (231) that supply buckle (a) joint of adapter, be provided with on go-between (31) and supply the interval (311) of stepping down that catching groove (231) expose, go-between (31) and be located the both sides of stepping down interval (311) are provided with the both sides of the buckle (a) that supply the adapter and wear to establish and break away from groove (313), break away from groove (313) and have guide buckle (a) along the glide direction of go-between (31) and break away from spigot (314) that catching groove (231) breaks away from.
10. An optical fiber patch cord, comprising: comprising an optical cable (13), at least one end of said optical cable (13) being configured as a jumper quick connector according to any one of claims 1-9.
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| CN202111470969.1A CN114114557B (en) | 2021-12-03 | 2021-12-03 | Quick jumper connector and optical fiber jumper |
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| CN202111470969.1A CN114114557B (en) | 2021-12-03 | 2021-12-03 | Quick jumper connector and optical fiber jumper |
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| CN114114557B CN114114557B (en) | 2023-03-24 |
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| Publication number | Publication date |
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| CN114114557B (en) | 2023-03-24 |
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