MPO optical fiber patch cord

Abstract

The utility model discloses an MPO optical fiber patch cord, which comprises a main cable, a branch cable electrically connected to the surface of the main cable, and a joint connected to one end, far away from the main cable, of the branch cable, the surface of the joint is provided with a supporting structure, the supporting structure comprises a connecting frame sleeved on the surface of the joint, the surface of the connecting frame is provided with a through hole, and the through hole is communicated with the main cable. The connector is inserted into the through hole, and the back face of the connecting frame is fixedly connected with a frame. According to the utility model, when the joints at the front ends of the branch cables are inserted into the connecting frame, the connecting frame can transmit the tensile force applied to the single branch cable, so that the plurality of branch cables are supported by friction force at the same time, the phenomenon that the single branch cable falls off is avoided, the connection mode of the existing optical fiber patch cord interface can be improved, and the service life of the optical fiber patch cord interface is prolonged. The contact area between the single optical fiber patch cord and the equipment is increased, the phenomenon that the single optical fiber patch cord is loosened and separated due to lack of friction force is avoided, and the data transmission effect is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber jumpers, in particular to an MPO optical fiber jumper. Background Art

[0002] Fiber optic patch cord is a cable that connects fiber optic devices. It is usually used to achieve active connection of optical paths in fiber optic communication systems, fiber optic access networks, fiber optic data transmission, and local area networks. It consists of connector plugs installed on both ends of the optical cable. The center is a glass core for light propagation, and the outside is surrounded by a glass envelope with a lower refractive index than the core and a thin plastic jacket to protect the envelope.

[0003] During the connection process, the MPO fiber jumper needs to plug multiple connection ends into the equipment respectively. For example, the patent application number published on the China Patent Network is: 201810409960.1, and the patent name is: An indoor multi-core MPO quick-connect fiber jumper, including a main line connector, a branch connector and a splitter, as well as a main cable and a branch cable, and also includes a branch row for arranging the branch cables in sequence and fixed to the splitter; the outer surfaces of the main cable and the branch cable are covered with a mechanical layer for preventing the main cable and the branch cable from bending or folding at a large angle. The jumper performs anti-bending and fixed protection on the main cable and the branch cable through the branch row and the mechanical layer, preventing the bending attenuation loss and breakage of the jumper, thereby ensuring the communication quality; the branch row can sort the multi-core branch cables in an orderly manner to avoid the entanglement of multiple branch cables, which is convenient for maintenance and inspection; the mechanical properties of the jumper can be further improved through the mechanical layer, and the service life can be extended; the main line connector or the branch connector can be plugged in and out better and faster through the elastic pressure plate, avoiding the damage of the connector or interface by the traditional shaking plug-in method.

[0004] However, the interfaces of existing fiber optic patch cords are mainly connected by plug-in connection. The contact area between a single fiber optic patch cord and the device is small. When subjected to external pulling, a single fiber optic patch cord is prone to loosening and detaching due to lack of friction, resulting in interruption of data transmission.

[0005] Therefore, it is necessary to redesign the MPO fiber optic patch cord. Utility Model Content

[0006] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide an MPO fiber optic patch cord, which has the advantage of improving the stability of plug-in, and solves the problem that the interface of the existing fiber optic patch cord is mainly connected by plug-in, and the contact area between a single fiber optic patch cord and the device is small. When subjected to external pulling, the single fiber optic patch cord is prone to loosening and detaching due to lack of friction, resulting in interruption of data transmission.

[0007] To achieve the above-mentioned object, the utility model provides the following technical solutions: an MPO optical fiber jumper, comprising a main cable;

[0008] A branch cable electrically connected to the surface of the main cable;

[0009] Connector connected to the end of the branch cable away from the main cable;

[0010] A support structure is provided on the surface of the joint;

[0011] The supporting structure includes a connecting frame sleeved on the surface of the joint, a through hole is opened on the surface of the connecting frame, the joint is inserted into the inside of the through hole, a frame is fixedly connected to the back of the connecting frame, guide rods are fixedly connected to the left and right sides of the frame, and pressure plates are sleeved on the top and bottom of the guide rod surface, the pressure plate is located on the inner side of the joint, the outer side of the pressure plate contacts the surface of the distribution cable, and a transmission structure is provided on the back of the connecting frame, and the transmission structure can drive the pressure plate to move outward.

[0012] As a preferred embodiment of the utility model, the transmission structure includes a screw rod arranged inside the frame, the screw rod extends to the inside of the connecting frame from a side close to the connecting frame and is threadedly connected to the connecting frame, the surface of the screw rod is fixedly connected to a conical block located on the inner side of the pressure plate, the conical block is slidably connected to the pressure plate, and the rear end of the screw rod is fixedly connected to a rotating wheel located on the back side of the conical block.

[0013] As a preferred embodiment of the utility model, a support tube is fixedly connected to the back side of the joint, the support tube is located inside the through hole and is plugged into the through hole, the support tube is located outside the pressure plate, and the outside of the pressure plate contacts the surface of the support tube.

[0014] As a preferred embodiment of the utility model, a rubber pad is fixedly connected to the outer side of the pressing plate, and a side of the rubber pad away from the pressing plate is in contact with the surface of the support tube, and the rubber pad is elastic.

[0015] As a preferred embodiment of the utility model, a compression spring sleeved on the surface of the guide rod is arranged on the outer side of the pressure plate, the outer side of the compression spring contacts the inner surface of the frame, and the compression spring is elastic.

[0016] As a preferred embodiment of the present invention, a baffle is fixedly connected to the back side of the frame, and the baffle is located on both sides of the branch cable.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] 1. When the connector at the front end of the distribution cable is plugged into the interior of the connection frame, the connection frame can transmit the pulling force on a single distribution cable, so that multiple distribution cables are supported by friction at the same time, avoiding the phenomenon of a single distribution cable falling off. The utility model can improve the connection method of the existing fiber optic jumper interface, increase the contact area between a single fiber optic jumper and the device, avoid the phenomenon of a single fiber optic jumper loosening due to lack of friction, and ensure the data transmission effect.

[0019] 2. The utility model can facilitate the user to push the two pressing plates to move toward each other by arranging the screw, the conical block and the rotating wheel, thereby improving the movement stability of the pressing plates.

[0020] 3. The utility model can protect the branch cable by providing a support tube, thereby preventing the branch cable from being damaged due to excessive extrusion.

[0021] 4. The utility model can improve the extrusion effect of the pressing plate and increase the friction between the pressing plate and the support tube by providing a rubber pad.

[0022] 5. The utility model can support the pressure plate by arranging a compression spring, so that the pressure plate has an elastic reset effect.

[0023] 6. The utility model can improve the safety of the frame and reduce the contact area between the transmission structure and the external environment by setting the baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a rear view structural diagram of the utility model;

[0026] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0027] Figure 4 It is a rear view schematic diagram of the local structure of the utility model.

[0028] In the figure: 1. main cable; 2. branch cable; 3. joint; 4. support structure; 5. connection frame; 6. through hole; 7. frame; 8. guide rod; 9. pressure plate; 10. transmission structure; 11. screw; 12. conical block; 13. rotating wheel; 14. support tube; 15. rubber pad; 16. compression spring; 17. baffle. DETAILED DESCRIPTION

[0029] 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.

[0030] like Figures 1 to 4 As shown, the utility model provides an MPO optical fiber jumper, including a main cable 1;

[0031] A branch cable 2 electrically connected to the surface of the main cable 1;

[0032] A connector 3 connected to an end of the branch cable 2 away from the main cable 1;

[0033] The surface of the joint 3 is provided with a support structure 4;

[0034] The supporting structure 4 includes a connecting frame 5 sleeved on the surface of the joint 3, a through hole 6 is opened on the surface of the connecting frame 5, the joint 3 is inserted into the through hole 6, a frame 7 is fixedly connected to the back of the connecting frame 5, and a guide rod 8 is fixedly connected to the left and right sides of the frame 7. A pressure plate 9 is sleeved on the top and bottom of the surface of the guide rod 8. The pressure plate 9 is located on the inner side of the joint 3, and the outer side of the pressure plate 9 contacts the surface of the distribution cable 2. A transmission structure 10 is arranged on the back of the connecting frame 5, and the transmission structure 10 can drive the pressure plate 9 to move outward.

[0035] refer to Figure 3 The transmission structure 10 includes a screw 11 arranged inside the frame 7. The screw 11 extends to the inside of the connecting frame 5 from a side close to the connecting frame 5 and is threadedly connected to the connecting frame 5. A conical block 12 located on the inner side of the pressure plate 9 is fixedly connected to the surface of the screw 11. The conical block 12 is slidably connected to the pressure plate 9. The rear end of the screw 11 is fixedly connected to a rotating wheel 13 located on the back side of the conical block 12.

[0036] As a technical optimization solution of the present invention, by providing the screw 11, the conical block 12 and the rotating wheel 13, it is convenient for the user to push the two pressing plates 9 to move toward each other, and the movement stability of the pressing plates 9 can be improved.

[0037] refer to Figure 4 A support tube 14 is fixedly connected to the back of the joint 3 , the support tube 14 is located inside the through hole 6 and is plugged into the through hole 6 , the support tube 14 is located outside the pressing plate 9 , and the outside of the pressing plate 9 contacts the surface of the support tube 14 .

[0038] As a technical optimization solution of the present invention, by providing the support tube 14, the branch cable 2 can be protected to prevent the branch cable 2 from being damaged due to excessive extrusion.

[0039] refer to Figure 3 A rubber pad 15 is fixedly connected to the outer side of the pressing plate 9. The side of the rubber pad 15 away from the pressing plate 9 contacts the surface of the support tube 14. The rubber pad 15 is elastic.

[0040] As a technical optimization solution of the utility model, by providing the rubber pad 15 , the extrusion effect of the pressing plate 9 can be improved, and the friction between the pressing plate 9 and the support tube 14 can be increased.

[0041] refer to Figure 4 A compression spring 16 sleeved on the surface of the guide rod 8 is arranged on the outer side of the pressure plate 9, and the outer side of the compression spring 16 contacts the inner surface of the frame 7, and the compression spring 16 is elastic.

[0042] As a technical optimization solution of the present invention, by providing a compression spring 16, the pressure plate 9 can be supported so that the pressure plate 9 has an elastic reset effect.

[0043] refer to Figure 2 A baffle 17 is fixedly connected to the back of the frame 7 , and the baffle 17 is located on both sides of the distribution cable 2 .

[0044] As a technical optimization solution of the present invention, by providing the baffle 17, the safety of the frame 7 can be improved and the contact area between the transmission structure 10 and the external environment can be reduced.

[0045] The working principle and use process of the utility model are as follows: when in use, first push the connection frame 5 to make it slide on the surface of the branch cable 2. When the connector 3 at the front end of the branch cable 2 is plugged into the inside of the connection frame 5 through the support tube 14, the connection frame 5 can transmit the tension exerted on the single branch cable 2, so that multiple branch cables 2 are supported by friction at the same time, avoiding the phenomenon that a single branch cable 2 falls off. When multiple branch cables 2 are plugged in, the user rotates the rotating wheel 13, and the rotating wheel 13 drives the screw rod 11 to rotate. The screw rod 11 uses the thread to carry the conical block 12 to move to the front side. When the conical block 12 contacts the pressing plate 9, the pressing plate 9 is squeezed and slides on the surface of the guide rod 8. When the outer side of the pressing plate 9 is in close contact with the surface of the support tube 14, the connection between the connection frame 5 and the support tube 14 is completed.

[0046] To sum up: when the MPO fiber optic patch cord is connected to the connector 3 at the front end of the distribution cable 2 into the interior of the connection frame 5, the connection frame 5 can transmit the tension exerted on a single distribution cable 2, so that multiple distribution cables 2 are supported by friction at the same time, thereby preventing a single distribution cable 2 from falling off. The utility model can improve the connection method of the existing fiber optic patch cord interface, increase the contact area between a single fiber optic patch cord and the device, avoid the phenomenon of a single fiber optic patch cord loosening and detaching due to lack of friction, and ensure the data transmission effect.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An MPO optical fiber patch cord, comprising a main cable (1); A branch cable (2) electrically connected to the surface of the main cable (1); A connector (3) connected to an end of the branch cable (2) away from the main cable (1); Features: A support structure (4) is provided on the surface of the joint (3); The support structure (4) comprises a connection frame (5) sleeved on the surface of the joint (3), the surface of the connection frame (5) being provided with a through hole (6), the joint (3) being inserted into the through hole (6), the back of the connection frame (5) being fixedly connected to a frame (7), the left and right sides of the frame (7) being fixedly connected to guide rods (8), the top and bottom of the surface of the guide rod (8) being sleeved with a pressure plate (9), the pressure plate (9) being located on the inner side of the joint (3), the outer side of the pressure plate (9) being in contact with the surface of the branch cable (2), and the back of the connection frame (5) being provided with a transmission structure (10), the transmission structure (10) being capable of driving the pressure plate (9) to move outward.

2. The MPO fiber jumper according to claim 1, characterized in that: The transmission structure (10) comprises a screw rod (11) arranged inside the frame (7); the screw rod (11) extends into the interior of the connecting frame (5) on a side close to the connecting frame (5) and is threadedly connected to the connecting frame (5); a conical block (12) located inside the pressing plate (9) is fixedly connected to the surface of the screw rod (11); the conical block (12) is slidably connected to the pressing plate (9); and a rotating wheel (13) located on the back side of the conical block (12) is fixedly connected to the rear end of the screw rod (11).

3. The MPO fiber jumper according to claim 2, characterized in that: A support tube (14) is fixedly connected to the back of the joint (3); the support tube (14) is located inside the through hole (6) and is plugged into the through hole (6); the support tube (14) is located outside the pressing plate (9); the outside of the pressing plate (9) is in contact with the surface of the support tube (14).

4. The MPO optical fiber jumper according to claim 3, characterized in that: A rubber pad (15) is fixedly connected to the outer side of the pressing plate (9), and a side of the rubber pad (15) away from the pressing plate (9) is in contact with the surface of the support tube (14), and the rubber pad (15) is elastic.

5. The MPO optical fiber patch cord according to claim 1, characterized in that: A compression spring (16) sleeved on the surface of the guide rod (8) is arranged on the outer side of the pressure plate (9), the outer side of the compression spring (16) contacts the inner surface of the frame (7), and the compression spring (16) is elastic.

6. The MPO optical fiber patch cord according to claim 1, characterized in that: A baffle (17) is fixedly connected to the back of the frame (7), and the baffle (17) is located on both sides of the distribution cable (2).

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