CN210517693U - High-altitude outdoor terminal box optical fiber cable plugging device - Google Patents
High-altitude outdoor terminal box optical fiber cable plugging device Download PDFInfo
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- CN210517693U CN210517693U CN201921875983.8U CN201921875983U CN210517693U CN 210517693 U CN210517693 U CN 210517693U CN 201921875983 U CN201921875983 U CN 201921875983U CN 210517693 U CN210517693 U CN 210517693U
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Abstract
The utility model relates to an electric power system power transmission and transformation field discloses a high altitude outdoor terminal case optical fiber cable plugging device, the plugging device includes the threading pipeline, threading pipeline top is from last to being provided with first annular crown ear and second annular crown ear to interval in proper order down, clearance between first annular crown ear and the second annular crown ear is no longer than the tank wall thickness of terminal case, the internal diameter of threading pipeline is no longer than optical fiber cable's external diameter, the external diameter of first annular crown ear is greater than the external diameter of second annular crown ear, threading pipeline, first annular crown ear and second annular crown ear all adopt silicon rubber materials. The utility model has convenient installation, the second annular crown ear can be automatically clamped after being positioned, the bottom wall of the terminal box can be well clamped, and water vapor is prevented from entering the terminal box from the bottom of the terminal box; and the bottom of the plugging device is bent to prevent the optical fiber cable from being bent in an overlarge radian, so that the effect of protecting the optical fiber cable is achieved, the service life of the optical fiber cable is prolonged, and the practicability is high.
Description
Technical Field
The utility model relates to an electric power system power transmission and transformation field particularly, relates to an outdoor terminal box fiber cable plugging device of high altitude.
Background
The terminal box is a back-connection point of a connecting line of secondary equipment and primary equipment in the power system, the sealing state of the terminal box is directly related to the safe and stable operation of power system protection equipment, and the sealing performance of the terminal box depends on the performance of a sealing material and the construction process level to a great extent. Once the terminal box is not sealed tightly, moisture in the cable trench enters the terminal box, condensation can be caused and attached to the terminal strip when the temperature is reduced, direct current grounding is caused lightly, and a circuit breaker can be tripped seriously, so that the sealing effect of the terminal box is directly related to the normal operation of primary and secondary equipment.
Most of the existing outdoor terminal box cable plugging measures are fixed by bolts, and the sealing property is poor; the fire-retardant mud is sealed through the heat-shrinkable tube and the fire-retardant mud on site, and the sealing leak formed by softening, overflowing or hardening and dropping of the fire-retardant mud can bring hidden troubles in the aspects of fire prevention, moisture prevention and small animal prevention, so that the safe operation of equipment is endangered; in addition, the overflowed glue and the fallen flame-retardant mud are attached to peripheral equipment and facilities, so that the attractiveness of the equipment and the tidiness of standing appearance are affected. Most importantly is to the outdoor terminal case in the big high-altitude area of the difference in temperature round clock, if adopt prior art to carry out the shutoff, the shutoff effect is not good, very easily causes and wets and the condensation phenomenon, can cause risks such as circuit breaker tripping operation when serious.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high altitude outdoor terminal box optical fiber cable plugging device, it can carry out tight shutoff, simple to operate, long service life to the outdoor terminal box of terminal box especially high altitude area.
The embodiment of the utility model is realized like this:
the utility model provides a high altitude outdoor terminal box optical fiber cable plugging device, the plugging device includes the threading pipeline, threading pipeline top is from last to being provided with first annular crown ear and second annular crown ear down at the interval in proper order, just clearance between first annular crown ear and the second annular crown ear is no longer than the tank wall thickness of terminal box, the internal diameter of threading pipeline is no longer than optical fiber cable's external diameter, just the external diameter of first annular crown ear is greater than the external diameter of second annular crown ear, threading pipeline, first annular crown ear and second annular crown ear all adopt silicon rubber materials.
Further, the threading pipe is linear.
Further, still include crooked pipeline, crooked pipeline and threading pipeline integrated connection are the J type tubulose.
Further, the inner diameter of the curved conduit does not exceed the outer diameter of the fiber optic cable.
Further, the bending angle of the bent pipe is 45-60 degrees.
Further, the bent pipeline is made of a silicon rubber material.
Furthermore, the outer wall of the joint of the threading pipeline and the bent pipeline is provided with an annular bearing lug.
Further, the outer walls of the threading pipe and the bending pipe are coated with an insulating layer.
The utility model has the advantages that:
the utility model discloses direct outside inserting out from terminal incasement portion during the installation of plugging device, second ring shape crown ear blocks after target in place automatically, simple to operate, and the diapire of tight terminal case that presss from both sides that can be fine prevents that steam from getting into the terminal incasement from the terminal bottom of the case portion.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an occluder provided in an embodiment of the present invention;
fig. 2 is a side view of an occluder provided by an embodiment of the present invention;
fig. 3 is a vertical cross-sectional view of fig. 2 of the present invention.
Icon: 1-a first annular crown ear, 2-a second annular crown ear, 3-a threading pipe, 4-an annular bearing ear and 5-a bending pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "substantially", and the like are intended to indicate that the relative terms are not necessarily strictly required, but may have some deviation. For example: "substantially equal" does not mean absolute equality, but it is difficult to achieve absolute equality in actual production and operation, and certain deviations generally exist. Thus, in addition to absolute equality, "substantially equal" also includes the above-described case where there is some deviation. In this case, unless otherwise specified, terms such as "substantially", and the like are used in a similar manner to those described above.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Examples
Referring to fig. 1, the present embodiment provides a high-altitude outdoor terminal box optical fiber cable plugging device, the plugging device includes a threading pipe 3, the top of the threading pipe 3 is sequentially provided with a first annular crown ear 1 and a second annular crown ear 2 at intervals from top to bottom, a gap between the first annular crown ear 1 and the second annular crown ear 2 does not exceed the thickness of a box wall of the terminal box, an inner diameter of the threading pipe 3 does not exceed an outer diameter of an optical fiber cable, the outer diameter of the first annular crown ear 1 is greater than the outer diameter of the second annular crown ear 2, and the threading pipe 3, the first annular crown ear 1 and the second annular crown ear 2 are made of a silicon rubber material.
The working principle is as follows: the utility model discloses when the occluder is installed, arrange the occluder in the terminal box inside, and insert out from the terminal box from inside to outside along the through wires hole of terminal box diapire with threading pipe 3 of occluder (second annular crown ear 2 and the external diameter phase-match of through wires hole), second annular crown ear 2 passes the through wires hole and blocks automatically, make second annular crown ear 2 be located the through wires hole outside of terminal box, first annular crown ear 1 is located the inboard of terminal box, thereby make the occluder clip the terminal box shell and fix through first annular crown ear 1 and second annular crown ear 2, seal the box, and the external diameter of first annular crown ear 1 is greater than the external diameter of second annular crown ear 2, namely first annular crown ear 1 can be complete with the through wires hole sealed, after the occluder has been installed, pass the occluder pipeline with optical fiber cable, reach the sealed effect of fixed optical cable simultaneously; threading pipeline 3, first annular crown ear 1 and second annular crown ear 2 all adopt the silicon rubber material, because of it has better ductility, be convenient for threading pipeline 3 and second annular crown ear 2 to pass the through wires hole, and the silicon rubber low temperature resistance can be good, has further guard action to the fiber cable.
The threading pipeline 3 of the plugging device of the utility model can produce different pipe diameters according to the outer diameter of the on-site optical fiber cable, the pipe diameter is basically consistent with the outer diameter of the optical fiber cable and not strictly consistent, the inner diameter of the plugging device is basically consistent with the outer diameter of the optical fiber cable, and the deviation can be maintained at about 1mm, so that the optical fiber cable can be tightly matched when passing through the threading pipeline 3, and the condensation phenomenon caused by the moisture entering can be prevented; the outer diameters of the first annular crown lug 1 and the second annular crown lug 2 can be changed and produced according to the outer diameter of the threading hole in the terminal box; clearance between first annular crown ear 1 and the second annular crown ear 2 is unanimous basically with the diapire thickness of terminal box, and when first annular crown ear 1 and second annular crown ear 2 carried the box shell fixedly like this, first annular crown ear 1 and second annular crown ear 2 can seal the box, avoid moisture to get into terminal incasement portion to avoid the emergence of condensation phenomenon.
In this embodiment, the threading pipe 3 is linear.
In this embodiment, it further comprises a curved pipe 5, and the curved pipe 5 and the threading pipe 3 are integrally connected in a J-shaped tubular shape. The terminal box can be tightly plugged, and meanwhile, the optical fiber cable can be well protected.
In this embodiment, the inner diameter of the curved conduit 5 does not exceed the outer diameter of the fiber optic cable. The inner diameter of the bent pipeline 5 is basically consistent with the outer diameter of the optical fiber cable, and the deviation can be maintained to be about 1mm, so that the optical fiber cable can be tightly matched when passing through the plugging device, and the condensation phenomenon caused by the entry of moisture is prevented.
Because the optical fiber cable is low in strength and cannot be bent greatly, in the embodiment, the bending angle of the bent pipeline 5 is 45-60 degrees, so that the optical fiber is better protected, and the service life of the optical fiber cable is prolonged.
In the present embodiment, the curved pipe 5 is made of a silicone rubber material. Therefore, the optical fiber cable protection device is suitable for placing the optical fiber cable in the using process, better protects the optical fiber cable and prolongs the service life of the optical fiber cable.
In this embodiment, the outer wall of the junction between the threading pipe 3 and the curved pipe 5 is provided with a ring-shaped bearing ear 4. After the optical fiber cable passes through the plugging device, the plugging device is screwed down by the hoop, so that the hoop is positioned between the second annular crown lug 2 and the annular bearing lug 4, the effect of fixing the optical fiber cable is achieved, meanwhile, a threading hole formed in the terminal box is sealed, and a good sealing effect is achieved.
In this embodiment, the outer walls of the threading tube 3 and the curved tube 5 are coated with an insulating layer.
To sum up, the plugging device of the utility model is directly inserted out from the inside of the terminal box when being installed, and the second annular crown ear is automatically clamped after being in place, so that the installation is convenient, the bottom wall of the terminal box can be well clamped, and water vapor is prevented from entering the terminal box from the bottom of the terminal box; and the bottom of the plugging device is bent to prevent the optical fiber cable from being bent in an overlarge radian, so that the effect of protecting the optical fiber cable is achieved, the service life of the optical fiber cable is prolonged, and the practicability is high.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a high altitude outdoor terminal box optical fiber cable plugging device, a serial communication port, the plugging device includes threading pipeline (3), threading pipeline (3) top is from last to being provided with first annular crown ear (1) and second annular crown ear (2) down in proper order at an interval, just clearance between first annular crown ear (1) and second annular crown ear (2) is no longer than the tank wall thickness of terminal box, the internal diameter of threading pipeline (3) is no longer than optical fiber cable's external diameter, just the external diameter of first annular crown ear (1) is greater than the external diameter of second annular crown ear (2), threading pipeline (3), first annular crown ear (1) and second annular crown ear (2) all adopt silicon rubber material.
2. A high altitude outdoor terminal box optical fiber cable closure according to claim 1, wherein the threading pipe (3) is linear.
3. The high-altitude outdoor terminal box optical fiber cable closure of claim 2, further comprising a bent pipe (5), wherein the bent pipe (5) and the threading pipe (3) are integrally connected in a J-shaped tubular shape.
4. A high altitude outdoor terminal box optical fiber cable closure according to claim 3, wherein the curved pipe (5) is of a silicone rubber material.
5. A high altitude outdoor terminal box optical fiber cable closure according to claim 4, characterized in that the bending angle of the bent pipe (5) is 45-60 °.
6. A high altitude outdoor terminal box optical fiber cable closure according to claim 5, wherein the inner diameter of the bent pipe (5) does not exceed the outer diameter of the optical fiber cable.
7. A high altitude outdoor terminal box optical fiber cable closure according to claim 3, characterized in that the outer wall of the junction of the threading pipe (3) and the bending pipe (5) is provided with a ring-shaped bearing ear (4).
8. High altitude outdoor terminal box fiber optic cable closure according to claim 1, characterized in that the outer walls of the threading tube (3) and the bending tube (5) are coated with an insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875983.8U CN210517693U (en) | 2019-11-04 | 2019-11-04 | High-altitude outdoor terminal box optical fiber cable plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921875983.8U CN210517693U (en) | 2019-11-04 | 2019-11-04 | High-altitude outdoor terminal box optical fiber cable plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210517693U true CN210517693U (en) | 2020-05-12 |
Family
ID=70574117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921875983.8U Active CN210517693U (en) | 2019-11-04 | 2019-11-04 | High-altitude outdoor terminal box optical fiber cable plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210517693U (en) |
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2019
- 2019-11-04 CN CN201921875983.8U patent/CN210517693U/en active Active
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