Fixing clamping groove of polarization-maintaining MPO cable

Abstract

The utility model discloses a fixing clamping groove of a polarization-maintaining MPO cable, which comprises a mounting plate, a cable fixing assembly is arranged on the mounting plate, the cable fixing assembly comprises a cable clamping groove, one end of the cable clamping groove is provided with an annular clamping groove, the periphery of the annular clamping groove is provided with branching clamping grooves, two sides of the cable clamping groove are provided with first fixing clamping pieces, and the first fixing clamping pieces are provided with second fixing clamping pieces. The annular clamping groove is provided with a second fixing clamping piece, the branching clamping groove is provided with a third fixing clamping piece, and MPO cables are arranged in the cable clamping groove, the annular clamping groove and the branching clamping groove. According to the utility model, through the cooperation between the cable clamping groove and the first fixing clamping piece and between the branch clamping groove and the third fixing clamping piece, the total MPO cable and the branch cable are firmly fixed on the mounting plate respectively, the mounting and the connection are time-saving and fast, then the redundant unused cable is coiled in the annular clamping groove and is fixed by the second fixing clamping piece, the cables are arranged in order, and the installation is convenient. Repeated use is facilitated, and production cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber fixing, in particular to a fixing card slot of a polarization-maintaining MPO cable. Background Art

[0002] MPO fiber optic patch cord, MPO connector is one of the MT series connectors. The MT series ferrules are precisely connected with the guide pins on the left and right sides of the ferrule end face with a diameter of 0.7mm. After processing the MPO connector and optical fiber cable, various forms of MPO patch cords can be produced. The MPO patch cord can have a 2-12-core design, and a maximum of 24 cores. The most commonly used is the 12-core MPO connector. The compact design of the MPO connector makes the MPO patch cord have a large number of cores and a small size. The MPO patch cord is widely used in environments that require high-density integrated optical fiber lines during the wiring process.

[0003] In the prior art, the MPO cable card slot structure is complex, and many parts are used during connection. The connection method is relatively complicated during design and construction. At the same time, the installation speed is slow, which seriously affects the construction progress. In addition, the cables are used at different lengths. Generally, unused cables are randomly piled on the installation plate. Cables are easily tangled, ensuring that the cables will not be deflected, which is inconvenient to use again. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a fixing slot for a polarization-maintaining MPO cable.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a fixed card slot of a polarization-maintaining MPO cable, comprising a mounting plate, a cable fixing assembly is arranged on the mounting plate, the cable fixing assembly comprises a cable card slot, a ring card slot is arranged at one end of the cable card slot, a branching card slot is arranged around the ring card slot, a first fixing card is arranged on both sides of the cable card slot, a second fixing card is arranged on the ring card slot, a third fixing card is arranged on the branching card slot, and MPO cables are arranged in the cable card slot, the ring card slot and the branching card slot.

[0006] Preferably, the first fixing member includes two offset members, the offset members are fixed to the mounting plate by screws, the MPO cable passes through the lower sides of the two offset members, and long through grooves are provided on the mounting plate at positions corresponding to the screws.

[0007] Preferably, the second fixing fixture comprises a fixing plate, to which an arc plate is rotatably connected, the arc plate and the MPO cable are matched with each other in corresponding positions, and the other end of the arc plate is fixed to the mounting plate by screws.

[0008] Preferably, the third fixing clamp comprises a fixing spring piece, the fixing spring piece is connected to the mounting plate, a pressing plate is connected to the fixing spring piece, and the pressing plate cooperates with the MPO cable in corresponding positions.

[0009] Preferably, connecting plates are connected to both sides of the mounting plate.

[0010] Preferably, a connector is connected to the MPO cable.

[0011] The utility model has the following beneficial effects: through the cooperation between the cable slot and the branch cable slot and the first and third fixing clamps, the main MPO cable and the branch cable are firmly fixed on the installation plate respectively, and the installation and connection are time-saving and quick. The excess unused cables are then coiled in the annular slot and fixed with the second fixing clamp. The cables are arranged in an orderly manner, which is convenient for multiple uses and saves production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 A three-dimensional diagram of a fixed card slot of a polarization-maintaining MPO cable proposed by the utility model;

[0013] Figure 2 An exploded view of a fixed card slot of a polarization-maintaining MPO cable proposed by the utility model;

[0014] Figure 3 The utility model is a schematic diagram of a mounting plate for fixing a slot of a polarization-maintaining MPO cable.

[0015] Legend:

[0016] 1. Mounting plate; 2. Cable fixing assembly; 21. Cable slot; 22. Annular slot; 23. Branching slot; 24. First fixing fixture; 241. Displacement fixture; 25. Second fixing fixture; 251. Fixing plate; 252. Arc plate; 26. Third fixing fixture; 261. Fixing spring; 262. Pressing plate; 3. MPO cable; 4. Connecting plate; 5. Connector; 7. Long through slot. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0019] Reference Figure 1-3 The utility model provides an embodiment: a fixed card slot of a polarization-maintaining MPO cable, comprising a mounting plate 1, on which a cable fixing assembly 2 is provided, and the cable fixing assembly 2 comprises a cable card slot 21, and one end of the cable card slot 21 is provided with an annular card slot 22, and the annular card slot 22 is surrounded by branching card slots 23. In this embodiment, a 12-core MPO cable 3 is adopted, so twelve branching card slots 23 are arranged on the mounting plate 1, and first fixing clamps 24 are provided on both sides of the cable card slot 21, and a second fixing clamp 25 is provided on the annular card slot 22, and a third fixing clamp 26 is provided on the branching card slot 23. MPO cables 3 are arranged in the cable card slot 21, the annular card slot 22, and the branching card slot 23.

[0020] The first fixing card 24 includes two offset cards 241, and the two offset cards 241 are respectively installed on both sides of the cable slot 21. The offset cards 241 are fixed to the mounting plate 1 by screws. The MPO cable 3 passes through the lower sides of the two offset cards 241. The mounting plate 1 is provided with a long through groove 7 at the position corresponding to the screw. According to the total diameter of the MPO cable 3, the fixing position of the screw is moved back and forth in the long through groove 7 to change the angle between the two offset cards 241, so as to better fix the MPO cable 3. The second fixing card 25 includes a fixing plate 251, and the fixing plate 251 is connected to one side of the annular slot 22. An arc plate 252 is rotatably connected to the fixing plate 251. The arc plate 252 corresponds to the position of the MPO cable 3 and cooperates with each other. The other end of 252 is fixed to the mounting plate 1 by screws, the excess length of the MPO cable 3 is coiled in the annular groove 22, the arc plate 252 is pressed on the cable, and the arc plate 252 is fixed to the other side of the annular groove 22 with screws, the third fixing card 26 includes a fixing spring 261, the fixing spring 261 is connected to the mounting plate 1, the fixing spring 261 is connected to a pressure plate 262, the pressure plate 262 corresponds to the position of the MPO cable 3 and cooperates with each other, the MPO cable 3 is fixed in the pressure plate 262 by utilizing the elasticity of the fixing spring 261 itself, the MPO cable 3 is fixed, the mounting plate 1 is connected to connecting plates 4 on both sides, the connecting plates 4 install the mounting plate 1 with the MPO cable 3 installed in the working position, the MPO cable 3 is connected to a connector 5, and the connector 5 is connected to other equipment.

[0021] Working principle: first, clamp the left end of the MPO cable 3 in the cable slot 21, move the offset clamp 241 back and forth at the corresponding position on the long through slot 7, so that the inner sides of the two offset clamps 241 are close to the outer surface of the cable, tighten the screws after clamping to fix it, coil the long cable into a circle and place it in the annular slot 22, press the arc plate 252 on the cable, and fix the arc plate 252 on the other side of the annular slot 22 with screws, finally divide the MPO cable 3 into individual small cables, place the small cables in the branching slot 23 accordingly, push the fixing spring 261 upwards, place the cable in the pressure plate 262, and use the elasticity of the fixing spring 261 itself to fix the position of the branching line of the MPO cable 3, so that the connection is quick and convenient. In addition, the cables are arranged in an orderly manner on the mounting plate 1, which is convenient for multiple uses.

[0022] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixed card slot for a polarization-maintaining MPO cable, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a cable fixing assembly (2), the cable fixing assembly (2) comprising a cable slot (21), one end of the cable slot (21) is provided with an annular slot (22), a branching slot (23) is provided around the annular slot (22), first fixing clamps (24) are provided on both sides of the cable slot (21), a second fixing clamp (25) is provided on the annular slot (22), a third fixing clamp (26) is provided on the branching slot (23), and an MPO cable (3) is provided in the cable slot (21), the annular slot (22), and the branching slot (23).

2. The fixed card slot of a polarization-maintaining MPO cable according to claim 1, characterized in that: The first fixing clamp (24) comprises two offset clamps (241), the offset clamps (241) being fixed to the mounting plate (1) by means of screws, the MPO cable (3) passing through the lower sides of the two offset clamps (241), and long through slots (7) being provided at positions corresponding to the screws on the mounting plate (1).

3. The fixed card slot of a polarization-maintaining MPO cable according to claim 1, characterized in that: The second fixing clamp (25) comprises a fixing plate (251), to which an arc plate (252) is rotatably connected, the arc plate (252) and the MPO cable (3) are positioned correspondingly and cooperate with each other, and the other end of the arc plate (252) is fixed to the mounting plate (1) by means of screws.

4. The fixed card slot of a polarization-maintaining MPO cable according to claim 1, characterized in that: The third fixing clamp (26) comprises a fixing spring (261), the fixing spring (261) is connected to the mounting plate (1), the fixing spring (261) is connected to a pressing plate (262), and the pressing plate (262) and the MPO cable (3) are positioned correspondingly and cooperate with each other.

5. The fixed card slot of a polarization-maintaining MPO cable according to claim 1, characterized in that: Connecting plates (4) are connected to both sides of the mounting plate (1).

6. The fixing slot of a polarization-maintaining MPO cable according to claim 1, characterized in that: The MPO cable (3) is connected to a connector (5).

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