CN220040834U - Waterproof type connection structure and optical fiber connection divides fine case - Google Patents
Waterproof type connection structure and optical fiber connection divides fine case Download PDFInfo
- Publication number
- CN220040834U CN220040834U CN202321392936.4U CN202321392936U CN220040834U CN 220040834 U CN220040834 U CN 220040834U CN 202321392936 U CN202321392936 U CN 202321392936U CN 220040834 U CN220040834 U CN 220040834U
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- middle frame
- waterproof
- inlet sealing
- cable inlet
- optical fiber
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 230000003287 optical effect Effects 0.000 claims abstract description 39
- 238000003825 pressing Methods 0.000 claims abstract description 29
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 239000000835 fiber Substances 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 9
- 239000000725 suspension Substances 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Light Guides In General And Applications Therefor (AREA)
Abstract
The utility model discloses a waterproof connection structure and an optical fiber connection fiber distribution box, and relates to the technical field of optical fiber connection, wherein the waterproof connection structure comprises: the middle frame comprises a middle frame front area which is formed by a partition board at intervals and used for bearing an optical cable and a middle frame back area which is used for bearing a hanging wire steel wire; the two cable inlet sealing plugs are respectively arranged at two ends of the middle frame, and the cable inlet sealing plugs are provided with through holes for the optical cable and the hanging wire steel wire to penetrate; and the pressing piece is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs in the reverse surface area of the middle frame. The utility model can solve the problems of poor waterproof performance and low tensile strength of the optical cable splice closure.
Description
Technical Field
The utility model relates to the technical field of optical fiber connection, in particular to a waterproof connection structure and an optical fiber connection fiber dividing box.
Background
The optical fiber splice box is also called as optical cable splice box, belongs to mechanical pressure sealing joint system, and is a splice protector for providing optical, sealing and mechanical strength continuity between adjacent optical cables.
The optical cable splice closure is mainly used for straight-through and branch connection in aerial, pipeline, direct burial and other laying modes applicable to optical cables with various structures. The optical fiber distribution system is used for the protective connection between two or more optical cables and optical fiber distribution, is one of the common devices of user access points, and mainly completes the connection effect of the distribution optical cable and the service line optical cable outdoors.
However, the existing optical cable splice closure has the problem of poor waterproof performance, and the tensile strength of the optical cable can not meet the requirements well.
Disclosure of Invention
Aiming at the defects in the prior art, the first aspect of the utility model provides a waterproof type connection structure which can solve the problems of poor waterproof performance and low tensile strength of an optical cable connection box.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a waterproof splice structure comprising:
the middle frame comprises a middle frame front area which is formed by a partition board at intervals and used for bearing an optical cable and a middle frame back area which is used for bearing a hanging wire steel wire;
the two cable inlet sealing plugs are respectively arranged at two ends of the middle frame, and the cable inlet sealing plugs are provided with through holes for the optical cable and the hanging wire steel wire to penetrate;
and the pressing piece is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs in the reverse surface area of the middle frame.
In some embodiments, the middle frame back surface area includes a holding area, and the holding area is provided with a first mounting hole;
the press-holding member includes:
the pressing piece is arranged in the holding area and is provided with a second mounting hole;
the screw is used for penetrating through the second mounting hole and the first mounting hole and is connected with the middle frame through a nut so as to fix the hanging wire steel wire on the reverse surface area of the middle frame through the pressing piece.
In some embodiments, the two ends of the presser piece are bent to form a space for receiving the suspension wire.
In some embodiments, two fiber-coiling areas are arranged on the front area of the middle frame, and fiber-blocking structures are arranged on each fiber-coiling area.
In some embodiments, the fiber blocking structure includes a plurality of U-shaped members circumferentially distributed along the fiber region.
The second aspect of the utility model provides a waterproof optical fiber splicing and splitting box, which can solve the problems of poor waterproof performance and low tensile strength of an optical cable splicing box.
A waterproof optical fiber splicing and splitting box, comprising:
the waterproof connecting structure comprises a front cover and a rear cover which are detachably connected, wherein any one of the waterproof connecting structure is accommodated in the front cover and the rear cover.
In some embodiments, a sealing ring is arranged on the rear cover.
In some embodiments, the front cover is provided with a clamping groove, and the rear cover is provided with a buckle matched with the clamping groove.
In some embodiments, the sealing plug further comprises a spacer arranged at the end parts of the two sealing plugs of the cable inlet, and the two spacers are respectively used for isolating the sealing plugs of the cable inlet from the front cover and the rear cover.
In some embodiments, the front cover further comprises a mounting piece, the mounting piece comprises a semicircular hoop piece which is hooped on the front cover, two ends of the hoop piece form folded edges which are turned outwards, and each folded edge is provided with a through hole.
Compared with the prior art, the utility model has the advantages that:
the waterproof optical fiber splicing and splitting box comprises a front cover and a rear cover which are detachably connected, wherein waterproof splicing structures are accommodated in the front cover and the rear cover. The waterproof connection structure comprises a middle frame, two cable inlet sealing plugs and a pressing piece, wherein the middle frame comprises a middle frame front area used for bearing an optical cable and a middle frame back area used for bearing a hanging wire steel wire, which are formed at intervals through a partition plate; the two cable inlet sealing plugs are respectively arranged at two ends of the middle frame, and the cable inlet sealing plugs are provided with through holes for the optical cable and the hanging wire steel wire to penetrate; the pressing piece is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs in the reverse surface area of the middle frame. Therefore, after the cable inlet sealing plug is arranged, the waterproof effect can be achieved well, meanwhile, the cable inlet sealing plug is replaceable, and the adaptability of the optical cable is improved. In addition, the middle frame and the pressing piece can fix the lifting rope steel wire in the waterproof connection structure, so that the lifting rope steel wire can also play a tensile role, and the overall tensile strength of the optical cable is improved.
Drawings
FIG. 1 is an exploded view of a waterproof optical fiber splicing and splitting box according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a waterproof connection structure according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of a portion of a reverse side schematic of a waterproof splice structure according to an embodiment of the present utility model;
FIG. 4 is a schematic front view of a waterproof connection structure according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a waterproof optical fiber splice closure wall mount according to an embodiment of the present utility model;
FIG. 6 is a schematic diagram of a waterproof fiber splicing and splitting box hoop according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of the installation of the suspension wire of the waterproof optical fiber splicing and splitting box according to the embodiment of the utility model.
In the figure: 1. a middle frame; 11. a partition plate; 12. a middle frame front area; 121. a fiber coiling area; 122. a U-shaped piece; 13. a middle frame back surface area; 131. a holding area; 132. a first mounting hole; 2. a cable inlet sealing plug; 3. a pressing member; 31. tabletting; 32. a screw; 33. a nut; 4. a front cover; 5. a rear cover; 51. a seal ring; 6. a spacer; 7. a mounting member; 71. a hoop member; 72. folding edges; 73. a via hole; 8. and (5) a fiber-melting protective sleeve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, an embodiment of the present utility model provides a waterproof type connection structure including a center 1, two cable entry sealing plugs 2, and a pressing member 3.
Wherein the middle frame 1 comprises a middle frame front surface area 12 which is formed by a partition 11 at intervals and is used for bearing optical cables, and a middle frame back surface area 13 which is used for bearing hanging wire steel wires. Two cable inlet sealing plugs 2 are respectively arranged at two ends of the middle frame 1, and through holes for the optical cable and the hanging wire to penetrate are formed in the cable inlet sealing plugs 2. The pressing piece 3 is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs 2 on the reverse surface area 13 of the middle frame.
It is worth noting that the cable inlet sealing plug 2 can play a sealing role, meanwhile, the cable inlet sealing plug 2 is detachably arranged at two ends of the middle frame 1, and two optical cable types of 2*3 butterfly cables and 5mm round cables can be adapted through replacing the cable inlet sealing plugs 2 with different through holes, so that the sealing requirement is met.
After the optical cable passes through the cable inlet sealing plug 2, the optical cable is fixed, then the lifting wire steel wire or the aramid yarn is peeled off to be fixed in the back surface area 13 of the middle frame, and the optical fiber is wound and welded in the front surface area 12 of the middle frame.
That is, in the embodiment of the present utility model, the suspension wire is fixed inside the waterproof connection structure, in the prior art, the suspension wire is usually removed before connection, and does not participate in connection, but in the embodiment of the present utility model, the suspension wire is also connected, so that the tensile strength of the optical cable is greatly enhanced.
In particular, referring to fig. 2 and 3, the middle frame back surface area 13 includes a holding area 131, and the holding area 131 is provided with a first mounting hole 132. The press holder 3 includes: a press piece 31, a screw 32 and a nut 33. The pressing piece 31 is disposed in the holding area 131, and a second mounting hole 311 is formed in the pressing piece 31. The screw 32 is used to pass through the second mounting hole 311 and the first mounting hole 132 and is connected to the middle frame 1 by the nut 33, so as to fix the suspension wire to the reverse surface area 13 of the middle frame by the pressing piece 31.
The two ends of the pressing piece 31 are bent to form a space for accommodating the suspension wire, and the suspension wire is bent back to prevent the suspension wire from sliding.
In addition, as shown in fig. 4, two fiber coiling areas 121 are arranged on the front area 12 of the middle frame, and fiber blocking structures are arranged on each fiber coiling area 121. After the optical fiber enters the fiber coiling area 121, fiber coiling operation can be performed, in order to prevent the optical fiber from jumping out of the fiber coiling area 121, the fiber blocking structure on the fiber coiling area 121 can bind and limit the optical fiber, in the embodiment of the present utility model, the fiber blocking structure includes a plurality of U-shaped pieces 122 distributed along the circumference of the fiber coiling area 121, for example, four U-shaped pieces 122 can be arranged along the circumference, it is understood that the specific form of the fiber blocking structure is not limited to the U-shaped pieces 122, other structures can be adopted to press the optical fiber, and the number of the U-shaped pieces 122 can also be reasonably set according to the needs, and the embodiment of the present utility model is not limited herein. Finally, the two paths of optical fibers are subjected to heat shrinkage fusion welding through a fused fiber protection sleeve 8 clamped on the middle frame 1, so that the connection is completed.
In summary, the waterproof connection structure of the present utility model includes a middle frame 1, two cable inlet sealing plugs 2 and a pressing member 3, wherein the middle frame 1 includes a middle frame front area 12 formed by a partition 11 at intervals for carrying an optical cable, and a middle frame back area 13 for carrying a suspension wire steel wire; the two cable inlet sealing plugs 2 are respectively arranged at two ends of the middle frame 1, and through holes for the optical cable and the hanging wire to penetrate through are formed in the cable inlet sealing plugs 2; the pressing piece 3 is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs 2 on the reverse surface area 13 of the middle frame. Therefore, after the cable inlet sealing plug 2 is arranged, the waterproof effect can be well achieved, meanwhile, the cable inlet sealing plug 2 is replaceable, and the adaptability of the optical cable is improved. In addition, center 1 and pressure hold piece 3 can be fixed the lifting rope steel wire in waterproof type structure that continues, and the lifting rope steel wire also can play tensile effect like this to the holistic tensile strength of optical cable has been promoted.
Meanwhile, referring to fig. 1 to 7, the embodiment of the utility model further provides a waterproof optical fiber splicing and splitting box, which comprises a front cover 4 and a rear cover 5 which are detachably connected, wherein a waterproof splicing structure is accommodated in the front cover 4 and the rear cover 5.
The waterproof connecting structure comprises a middle frame 1, two cable inlet sealing plugs 2 and a pressing piece 3. The center 1 includes a center front area 12 for carrying the optical cable and a center back area 13 for carrying the suspension wires, which are formed at intervals by a partition 11. Two cable inlet sealing plugs 2 are respectively arranged at two ends of the middle frame 1, and through holes for the optical cable and the hanging wire to penetrate are formed in the cable inlet sealing plugs 2. The pressing piece 3 is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs 2 on the reverse surface area 13 of the middle frame.
In some embodiments, the middle frame back surface area 13 includes a holding area 131, and the holding area 131 is provided with a first mounting hole 132;
the press holder 3 includes:
a pressing piece 31, which is disposed in the holding area 131, and a second mounting hole 311 is formed on the pressing piece 31;
screws 32 for passing through the second mounting holes 311 and the first mounting holes 132 and connected to the center 1 by nuts 33 to fix the hanger wire to the center opposite surface area 13 by the pressing pieces 31.
In some embodiments, the two ends of the pressing piece 31 are bent to form a space for receiving the suspension wire.
In some embodiments, two fiber-blocking areas 121 are disposed on the front area 12 of the middle frame, and a fiber-blocking structure is disposed on each fiber-blocking area 121.
In some embodiments, the fiber blocking structure includes a plurality of U-shaped members 122 circumferentially distributed along the fiber optic zone 121.
In addition, in order to achieve a better waterproof effect, the rear cover 5 is provided with a sealing ring 51. In the embodiment of the present utility model, a groove is provided in the circumferential direction of the rear cover 5, and then the seal ring 51 is fitted in the groove.
In some embodiments, the front cover 4 is provided with a clamping groove, and the rear cover 5 is provided with a buckle matched with the clamping groove. Namely, a turnbuckle clamping mode is adopted between the front cover 4 and the rear cover 5, the front cover 4 or the rear cover 5 is rotated, and the buckle and the clamping groove are aligned, so that locking can be realized. It will be appreciated that the location of the catch and the catch may be replaced, for example by providing the catch on the front cover 4 and the catch on the rear cover 5.
In order to avoid that the front cover 4 and the rear cover 5 rotate together with the cable inlet sealing plug 2, in some embodiments, the cable inlet sealing plug further comprises a spacer 6 arranged at the end parts of the two cable inlet sealing plugs 2, and the two spacers 6 are respectively used for isolating the cable inlet sealing plugs 2 from the front cover 4 and the rear cover 5. Specifically, the contact surfaces of the spacer 6 and the front cover 4 and the rear cover 5 are smooth surfaces, so that the cable inlet sealing plug 2 is not driven to rotate by the rotation of the front cover 4 and the rear cover 5.
In some embodiments, the mounting member 7 further comprises a mounting member 7, the mounting member 7 comprises a semicircular hoop member 71 hooped on the front cover 4, two ends of the hoop member 71 form folded edges 72 turned outwards, and each folded edge 72 is provided with a through hole 73.
It should be noted that, after the mounting member 7 is provided, an appropriate mounting manner may be selected according to practical situations, such as a wall mounting manner in fig. 5, a hoop mounting manner in fig. 6, and a hanging wire mounting manner in fig. 7.
The waterproof optical fiber splicing and splitting box comprises a front cover 4 and a rear cover 5 which are detachably connected, wherein waterproof splicing structures are contained in the front cover 4 and the rear cover 5. The waterproof connection structure comprises a middle frame 1, two cable inlet sealing plugs 2 and a pressing piece 3, wherein the middle frame 1 comprises a middle frame front area 12 which is formed by a partition 11 at intervals and is used for bearing an optical cable, and a middle frame back area 13 which is used for bearing a hanging wire steel wire; the two cable inlet sealing plugs 2 are respectively arranged at two ends of the middle frame 1, and through holes for the optical cable and the hanging wire to penetrate through are formed in the cable inlet sealing plugs 2; the pressing piece 3 is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs 2 on the reverse surface area 13 of the middle frame. Therefore, after the cable inlet sealing plug 2 is arranged, the waterproof effect can be well achieved, meanwhile, the cable inlet sealing plug 2 is replaceable, and the adaptability of the optical cable is improved. In addition, center 1 and pressure hold piece 3 can be fixed the lifting rope steel wire in waterproof type structure that continues, and the lifting rope steel wire also can play tensile effect like this to the holistic tensile strength of optical cable has been promoted.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present utility model, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the utility model to enable those skilled in the art to understand or practice the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A waterproof splicing structure, characterized by comprising:
the middle frame (1) comprises a middle frame front surface area (12) which is formed at intervals by a partition plate (11) and is used for bearing an optical cable, and a middle frame back surface area (13) which is used for bearing a hanging wire steel wire;
the two cable inlet sealing plugs (2) are respectively arranged at two ends of the middle frame (1), and through holes for the optical cable and the hanging wire to penetrate through are formed in the cable inlet sealing plugs (2);
and the pressing piece (3) is used for fixing the hanging wire steel wires penetrating from the two cable inlet sealing plugs (2) in the reverse surface area (13) of the middle frame.
2. The waterproof splicing structure according to claim 1, wherein:
the middle frame back surface area (13) comprises a holding area (131), and a first mounting hole (132) is formed in the holding area (131);
the press-holding member (3) comprises:
a pressing sheet (31) which is arranged in the holding area (131), and a second mounting hole (311) is arranged on the pressing sheet (31);
and the screw (32) is used for penetrating through the second mounting hole (311) and the first mounting hole (132) and is connected with the middle frame (1) through a nut (33) so as to fix the suspension wire on the reverse surface area (13) of the middle frame through the pressing piece (31).
3. A waterproof type connection structure according to claim 2, wherein both ends of the pressing piece (31) are bent to form a space for receiving the suspension wire.
4. The waterproof splicing structure according to claim 1, wherein: two fiber coiling areas (121) are arranged on the front area (12) of the middle frame, and fiber blocking structures are arranged on the fiber coiling areas (121).
5. The waterproof splicing structure according to claim 4, wherein: the fiber blocking structure comprises a plurality of U-shaped pieces (122) which are circumferentially distributed along the fiber coiling area (121).
6. A waterproof optical fiber splicing and splitting box, comprising:
front cover (4) and back cover (5) of detachable connection, front cover (4) and back cover (5) are acceptd in the waterproof type structure of continuing of any one of claims 1-5.
7. The waterproof optical fiber splicing and splitting box according to claim 6, wherein: and a sealing ring (51) is arranged on the rear cover (5).
8. The waterproof optical fiber splicing and splitting box according to claim 7, wherein: the front cover (4) is provided with a clamping groove, and the rear cover (5) is provided with a buckle matched with the clamping groove.
9. The waterproof optical fiber splicing and splitting box according to claim 6, wherein:
the cable inlet sealing plug further comprises isolating pieces (6) arranged at the ends of the two cable inlet sealing plugs (2), and the two isolating pieces (6) are respectively used for isolating the cable inlet sealing plugs (2) from the front cover (4) and the rear cover (5).
10. The waterproof optical fiber splicing and splitting box according to claim 6, further comprising a mounting piece (7), wherein the mounting piece (7) comprises semicircular hoop pieces (71) hooped on the front cover (4), folded edges (72) turned outwards are formed at two ends of the hoop pieces (71), and through holes (73) are formed in each folded edge (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392936.4U CN220040834U (en) | 2023-06-02 | 2023-06-02 | Waterproof type connection structure and optical fiber connection divides fine case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321392936.4U CN220040834U (en) | 2023-06-02 | 2023-06-02 | Waterproof type connection structure and optical fiber connection divides fine case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040834U true CN220040834U (en) | 2023-11-17 |
Family
ID=88734404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321392936.4U Active CN220040834U (en) | 2023-06-02 | 2023-06-02 | Waterproof type connection structure and optical fiber connection divides fine case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040834U (en) |
-
2023
- 2023-06-02 CN CN202321392936.4U patent/CN220040834U/en active Active
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