CN104062715B - The closed type quick coupler of outdoor optical cable and adapter thereof - Google Patents
The closed type quick coupler of outdoor optical cable and adapter thereof Download PDFInfo
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- CN104062715B CN104062715B CN201410306704.1A CN201410306704A CN104062715B CN 104062715 B CN104062715 B CN 104062715B CN 201410306704 A CN201410306704 A CN 201410306704A CN 104062715 B CN104062715 B CN 104062715B
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Abstract
The present invention relates to closed type quick coupler and the adapter thereof of outdoor optical cable.The closed type quick coupler that object is to provide has good sealing property, can be arranged on device external, thus can reduce outdoor equipment volume, simplifies high-altitude application, and delays or stopped the volatilization of matching fluid, extends product serviceable life.Technical scheme is: the closed type quick coupler of outdoor optical cable, comprises fibre core continued access assembly, tail cover and adapter sleeve, comprises a waterproof case; The head of waterproof case is connected with adapter, and the outer wall of the head of waterproof case is provided with at least one O-ring seal, and be connected and fixed between the afterbody of waterproof case and tail overlap, junction is provided with at least one O-ring seal, is provided with at least one O-ring seal in tail cover.Adapter, comprises suitable device shell and interior adapter sleeve, and the two ends of adapter shell are shaped with L shape draw-in groove respectively and coordinate, and the closed type quick coupler at adapter shell two ends achieves a butt joint at interior adapter sleeve.
Description
Technical field
The present invention relates to optic communication device technical field, be specifically related to a kind of closed type quick coupler of outdoor optical cable and the adapter of sealing type quick coupler.
Background technology
Day by day universal along with optical fiber communication, a large amount of connected nodes is all disposed in the outdoor, often occur so optical cable and optical fibres is connected with the outdoor of equipment, and structurally there is no sealing function at the optical fiber quick connector generally used at present, therefore can not be used for outdoor connection, so that produce following problem: first, no matter be adopt welding or connect soon, have many attended operations all need carry out in high-altitude, not only poor stability, also affects quality of connection; Secondly, due to the blow-by of existing optical fiber quick connector, easily intake on the one hand, on the other hand the matching fluid at Fiber connection place is easily volatilized, thus shorten the serviceable life of product; 3rd, connector limits by cable geometry, poor universality; 4th, add the volume of outdoor connection device.
Summary of the invention
Technical matters to be solved by this invention is the deficiency overcoming above-mentioned background technology, a kind of closed type quick coupler and adapter thereof of outdoor optical cable are provided, sealing type quick coupler has good sealing property, device external can be arranged on, thus outdoor equipment volume can be reduced, simplify high-altitude application, and delay or stopped the volatilization of matching fluid, extend product serviceable life.
For realizing above object, the technical solution used in the present invention is:
The closed type quick coupler of outdoor optical cable, comprise fibre core continued access assembly, tail cover and adapter sleeve, it is characterized in that: the waterproof case comprising a tubulose, fibre core continued access assembly is arranged in waterproof case, tail cover is fixed on waterproof case afterbody, and adapter sleeve is installed in rotation on waterproof case head; The head of described waterproof case is connected with adapter by the L shape draw-in groove on adapter sleeve, the outer wall of the head of waterproof case is provided with at least one O-ring seal thus seals with adapter, be threaded connection fixing between the afterbody of waterproof case and tail overlap, junction is provided with at least one O-ring seal to realize sealing, is provided with at least one O-ring seal thus and seals between outdoor optical cable in tail cover.
The outer wall of described waterproof case head is shaped with the falling-resistant ring preventing adapter sleeve from skidding off.
The crust clamping device of outdoor optical cable is installed in described tail cover.
Adapter, it is characterized in that: described adapter, comprise suitable device shell and coaxial fixing interior adapter sleeve therein, the L shape draw-in groove that the two ends of adapter shell are shaped with on the outwardly dop at least one dop adapter shell two ends and the adapter sleeve of closed type quick coupler respectively coordinates, closed type quick coupler is connected and fixed, and the closed type quick coupler at adapter shell two ends achieves a butt joint at interior adapter sleeve.
Described dop is from the other end being clamped on L shape draw-in groove after the entrance of L shape draw-in groove one end enters.
Principle of work of the present invention is: the fibre core of outdoor optical cable is after fixed length cutting, fibre core covers into the fibre core continued access assembly in waterproof case through tail, (docking site is preset with matching fluid) is achieved a butt joint with the continue lock pin of assembly of fibre core, the crust of outdoor optical cable is clamped by crust clamping device and is fixed in tail cover, and and tail overlap in O-ring seal between realize sealing, prevent extraneous rainwater invade and reduce matching fluid volatilization; The assembly that continued by fibre core afterwards inserts in waterproof case together with optical cable, and be then connected and fixed with waterproof case by tail cover, junction realizes sealing by O-ring seal, prevents extraneous rainwater from invading and reduces matching fluid volatilization;
During use, can special-shaped adapter be passed through, closed type quick coupler is docked with the various conventional fiber connectors on outdoor connection device (connected node);
Two closed type quick couplers are docked by the adapter that also can be provided by the invention described above; Specifically: two closed type quick couplers are inserted from the two ends of adapter respectively, the end face of the lock pin of two quick couplers is docked in interior adapter sleeve, after the dop of adapter shell enters from the entrance of L shape draw-in groove, turn two adapter sleeves make dop be clamped on the other end of L shape draw-in groove respectively, thus two closed type quick couplers are locked on adapter, complete continuing of outdoor optical cable, the O-ring seal of waterproof case head can prevent extraneous rainwater from invading and reduce matching fluid volatilization.
The invention has the beneficial effects as follows: the present invention is by multi-form adapter, realize between two closed type quick couplers, or the connection between a closed type quick coupler and a conventional fiber connector, not by the restriction of cable geometry, versatility is good, can complete continuing of outdoor optical cable easily; The good seal performance of closed type quick coupler, effectively can prevent extraneous rainwater from invading and reduce matching fluid volatilization; Whole process is without the need to welding, and the instrument that needs are used is less, consuming time short, simple to operate, is applicable to outdoor connection, avoids work high above the ground; And structure of the present invention is simple, and volume is little, can fix easily, can complete the docking of two quick couplers (closed type or conventional quick coupler), thus reduce the volume of outdoor connection device in the outside of outdoor connection device.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of closed type quick coupler in the present invention.
Fig. 2 is the sectional structure schematic diagram of adapter in the present invention.
Fig. 3-1 is the connected mode schematic diagram of adapter in closed type quick coupler and the present invention in the present invention.
The connected mode schematic diagram of closed type quick coupler and conventional adapters in Fig. 3-2 the present invention.
Fig. 4 is the enlarged diagram of the fibre core continued access assembly in Fig. 1, Fig. 3-1, Fig. 3-2.
Fig. 5 is the enlarged diagram in A portion in Fig. 4.
Fig. 6 is the enlarged diagram in B portion in Fig. 4.
Fig. 7 is the plan structure schematic diagram of closed type quick coupler in the present invention.
Fig. 8 is the enlarged diagram of waterproof case in Fig. 1.
Fig. 9 is the enlarged diagram of tail cover in Fig. 1.
Figure 10 is the enlarged diagram of inner sleeve in Fig. 1.
Figure 11 is the plan structure schematic diagram of inner sleeve.
Figure 12 is the right TV structure schematic diagram of inner sleeve.
Figure 13 is the sectional structure schematic diagram of adapter sleeve.
Figure 14 is the left TV structure schematic diagram of adapter sleeve.
Figure 15 is the plan structure schematic diagram of adapter sleeve.
Figure 16 is the structural representation of crust clamping device.
Figure 17 be Figure 16 look up structural representation.
Embodiment
Below in conjunction with Figure of description, the invention will be further described, but the present invention is not limited to following examples.
As shown in Fig. 1, Fig. 3-1, Fig. 3-2, the closed type quick coupler 1 of outdoor optical cable provided by the invention, comprises the waterproof case 1-1 of tubulose, the fibre core continued access assembly (general components in existing fiber quick coupler) be arranged in waterproof case, is fixed on the tail cover 1-5 and the inner sleeve 1-10 that is arranged in waterproof case of waterproof case afterbody.As shown in Fig. 1, Fig. 3-1, Fig. 3-2, Figure 10, described inner sleeve is arranged on waterproof case and tail cover is inner, and the middle part of inner sleeve is shaped with the location-plate 1-21 radially arranged, this location-plate offers through hole 1-22.As shown in Figure 4, described fibre core continued access assembly comprises lock pin tailstock 1-2, be fixed on lock pin tailstock head and be embedded with tail optical fiber lock pin 1-11 (process of end face sanding and polishing), being arranged on briquetting 1-3 in the middle part of lock pin tailstock, being sleeved in the middle part of lock pin tailstock and moving casing 1-9 for compressing described briquetting, lock pin tailstock offers V-type groove 1-15, and with briquetting in opposite directions and to the passage forming outdoor optical cable and described tail optical fiber and continue.Be provided with crust clamping device 1-6 in described tail cover, as shown in Figure 16,17, this crust clamping device is n font and inserts the socket 1-23 of the afterbody of inner sleeve, and crust clamping device inwall is shaped with little tooth 1-24 thus the crust of fixing outdoor optical cable 1-8.
As shown in Fig. 4-Fig. 6, Fig. 8-Figure 12, the head of described lock pin tailstock is shaped with at least one flat key 1-14 protruded outwardly, and flat key stretches along the length direction of lock pin tailstock, and the inwall of waterproof case offers the keyway 1-25 mated with flat key.The downside outer wall at the middle part of lock pin tailstock is shaped with outwardly pretension rib 1-18, external diameter due to pretension rib position is greater than the internal diameter of moving casing, the inwall of this pretension rib and moving casing extrudes mutually, thus briquetting is pressed on lock pin tailstock, for stiffening effect, pretension rib can also be also set at the end face of briquetting.The afterbody of lock pin tailstock is shaped with the taper fibre-guiding hole 1-17 opened backwards, and the front end of taper fibre-guiding hole is connected to described V-type groove thus leads to the fibre core of outdoor optical cable.The afterbody of lock pin tailstock is also shaped with spring abutment face and tail end barb 1-16, and tail end barb, through the tail end face being hooked on location-plate after the through hole of location-plate, is provided with a spring 1-4 between the spring abutment face of lock pin tailstock and the head end of location-plate.
As shown in Figure 7, quick coupler of the present invention also comprises the adapter sleeve 1-13 that is installed in rotation on waterproof case head, and this adapter sleeve is connected with adapter provided by the invention or special-shaped adapter 2A (such as SC type adaptor interface) by L shape draw-in groove.As shown in Figure 13-Figure 15, described adapter sleeve offers at least one L shape draw-in groove 1-12, one end of L shape draw-in groove is entrance 1-12A, and this entrance is positioned at the end face of adapter sleeve head.Wherein one section axial arranged (having above-mentioned entrance) along waterproof case of L shape draw-in groove, another section circumferentially, for avoiding occurring loosening, recommends to arrange 2-3 L shape draw-in groove.
As shown in Fig. 1, Fig. 3-1, Fig. 3-2, enter to prevent outside rainwater and reduce matching fluid volatilization, the outer wall of the head of described waterproof case is provided with at least one O-ring seal 1-7, be connected and fixed by screw thread 1-20 between the afterbody of waterproof case and tail overlap, junction is provided with at least one O-ring seal 1-7, at least one O-ring seal 1-7 (fluid sealant can be used to make, ensure the sealing between outdoor optical cable crust) is provided with in tail cover; Simultaneously in order to prevent adapter sleeve from skidding off, the outer wall of described waterproof case head is shaped with falling-resistant ring 1-19.
As shown in Fig. 2, Fig. 3-1, the present invention also provides a kind of adapter 2 being applicable to the closed type quick coupler of above-mentioned outdoor optical cable, comprises adapter shell 2-1 and coaxial fixing interior adapter sleeve 2-2 (middle part and the adapter shell of interior adapter sleeve are connected and fixed) therein.The outer wall at the two ends of adapter shell is all shaped with at least one dop 2-3 radially protruded outwardly.The lock pin of two quick couplers respectively from adapter sleeve in the two ends of adapter are inserted and end face mutually dock, the head of the waterproof case of two quick couplers inserts between adapter shell, interior adaptation cover (utilizing the O-ring seal of waterproof case head to seal) from the two ends of adapter respectively, and described dop is from the other end (namely circumferentially a section) being clamped on L shape draw-in groove after the entrance of the L shape draw-in groove of adapter sleeve (namely vertically a section) enters.
In the present invention, the adapter shell of described waterproof case, tail cover, adapter, interior adapter sleeve all can adopt aluminium alloy, stainless steel, plastic or other material to make.
Claims (2)
1. the closed type quick coupler of outdoor optical cable, comprise fibre core continued access assembly, tail cover (1-5) and adapter sleeve (1-13), it is characterized in that: the waterproof case (1-1) also comprising a tubulose, fibre core continued access assembly is arranged in waterproof case, tail cover (1-5) is fixed on waterproof case afterbody, and adapter sleeve (1-13) is installed in rotation on waterproof case head; The head of described waterproof case is connected with adapter by the L shape draw-in groove (1-12) on adapter sleeve (1-13), the outer wall of the head of waterproof case is provided with at least one O-ring seal (1-7) thus seals with adapter, be connected and fixed by screw thread (1-20) between the afterbody of waterproof case and tail overlap, junction be provided with at least one O-ring seal (1-7) with realize sealing, tail cover in be provided with at least one O-ring seal (1-7) thus and seal between outdoor optical cable;
The outer wall of described waterproof case head is shaped with the falling-resistant ring (1-19) preventing adapter sleeve from skidding off;
The crust clamping device (1-6) of outdoor optical cable is installed in described tail cover.
2. the adapter of the closed type quick coupler of outdoor optical cable as claimed in claim 1, it is characterized in that: described adapter, comprise outer suitable device shell (2-1) and coaxial fixing interior adapter sleeve (2-2) therein, the two ends of adapter shell are shaped with outwardly at least one dop (2-3) respectively, the dop at adapter shell two ends coordinates with the L shape draw-in groove (1-12) on the adapter sleeve (1-13) of closed type quick coupler, closed type quick coupler is connected and fixed, and the closed type quick coupler at adapter shell two ends achieves a butt joint at interior adapter sleeve,
Described dop is from the other end being clamped on L shape draw-in groove after the entrance of L shape draw-in groove one end enters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306704.1A CN104062715B (en) | 2014-06-30 | 2014-06-30 | The closed type quick coupler of outdoor optical cable and adapter thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410306704.1A CN104062715B (en) | 2014-06-30 | 2014-06-30 | The closed type quick coupler of outdoor optical cable and adapter thereof |
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| Publication Number | Publication Date |
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| CN104062715A CN104062715A (en) | 2014-09-24 |
| CN104062715B true CN104062715B (en) | 2015-12-30 |
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| CN201410306704.1A Active CN104062715B (en) | 2014-06-30 | 2014-06-30 | The closed type quick coupler of outdoor optical cable and adapter thereof |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891969B (en) * | 2016-06-07 | 2018-10-02 | 苏州禾昌聚合材料股份有限公司 | A kind of fiber adapter |
| CN108776370A (en) * | 2018-04-27 | 2018-11-09 | 上海航天科工电器研究院有限公司 | A kind of high leakproofness fiber optic connector assembly and application |
| CN110007408B (en) * | 2019-05-06 | 2023-10-03 | 中国电子科技集团公司第三十四研究所 | Dampproofing sealed connector based on high-power single mode protection/single offset special optic fibre |
| CN115437076B (en) * | 2022-09-01 | 2023-08-04 | 烽火通信科技股份有限公司 | Outdoor pre-connection box body |
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| KR20000074785A (en) * | 1999-05-26 | 2000-12-15 | 이봉수 | Water-resisted optic connector and adapter |
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| CN104062715A (en) | 2014-09-24 |
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Address after: Taihu Qingyun Yuan Zhen Village in Ling'an city of Hangzhou city of Zhejiang Province in 311306 Applicant after: WANMA TECHNOLOGY CO., LTD. Address before: Taihu Qingyun Yuan Zhen Village in Ling'an city of Hangzhou city of Zhejiang Province in 311306 Applicant before: Wanma Electronic Medical Co., Ltd. |
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