An MPO fiber optic connector

Abstract

This invention relates to the field of fiber optic connector technology and discloses an MPO fiber optic connector, including a female MPO fiber optic connector, a male MPO fiber optic connector, and an adapter. Multiple connecting blocks are fixedly connected to both sides of the adapter, and a plug is fixedly connected to one side of each connecting block. Mounting seats are fixedly connected to both sides of the female and male MPO fiber optic connectors. A cavity is formed inside the mounting seat, and a positioning mechanism is provided inside the cavity. Connecting heads are fixedly connected to the positioning mechanism, and a fixing mechanism is provided between corresponding connecting heads. In use, this invention simplifies the assembly and disassembly of the female and male MPO fiber optic connectors and the adapter, making operation convenient and easy, while ensuring the secure installation and airtight sealing of the female and male MPO fiber optic connectors and the adapter.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of optical fiber connectors, in particular to an MPO optical fiber connector. BACKGROUND

[0002] MPO connector is a type of optical fiber connector, MPO (Multi Push On) is a type of multi-core optical fiber connector, which is adopted by IEEE standard as a type of connector for 40G / 100G transmission. MPO high-density optical fiber pre-connection system is currently mainly used in three fields: application in high-density environment of data center, application of fiber to building, and connection application in optical transceiver equipment such as optical splitter, 40G, 100G, QSFP+, etc. MPO type MPO connector is a multi-core connector standard, which usually arranges 12-core optical fibers in a column, and can support one or more columns of optical fibers in the same MPO connector. The standard is specified by IEC61754-7, and is divided into one column (12 cores) and multiple columns (24 cores or more) according to the number of cores arranged in the connector. MPO connector type is distinguished according to several factors specified by IEC 61754-7: core number (array number), male-female, polarity (key), and polishing type (PC or APC).

[0003] The Chinese invention with publication number "CN212321902U" discloses "an MTP optical fiber connector, the female MTP connector and the male MTP connector are respectively matched with the two ends of the adapter, four symmetrically arranged mounting plates are respectively fixedly connected on the two sides of the adapter, and the far sides of the four mounting plates are all fixedly connected with insertion rods, and the two sides of the female MTP connector and the male MTP connector are respectively fixedly connected with four mounting seats, and the side walls of the four mounting seats are respectively provided with four insertion grooves corresponding to the four insertion rods. In the present application, the sealing strip is arranged to improve the sealing performance of the connection, prevent water vapor from corroding the internal parts, prolong the service life, and set the buckle mechanism. Only by rotating the handle can the female MTP connector and the male MTP connector be fixed with the adapter, and tools are not needed during installation and disassembly, saving manpower, facilitating maintenance, being firmly connected, and ensuring the stability of data transmission".

[0004] For the related technology in the above, when installing the optical fiber connector and the adapter, four handles need to be twisted to connect and install the two optical fiber connectors and the adapter, and the same is true when disassembling, so that the disassembly steps are more and more troublesome, and at the same time, after the optical fiber connector and the adapter are installed, the sealing strip may not be in close contact with the adapter, so that the sealing effect between the optical fiber connector and the adapter cannot be guaranteed. Therefore, the technical personnel in the field provides an MPO optical fiber connector to solve the problems in the above background art. SUMMARY

[0005] In order to solve the problem that four knobs need to be twisted to connect two optical fiber connectors and adapters, and the same is true when disassembling, so that the disassembly steps are more and it is more troublesome, and after the optical fiber connector and the adapter are installed, the sealing strip may not be attached to the adapter, so that the sealing effect between the optical fiber connector and the adapter cannot be guaranteed, the application provides an MPO optical fiber connector.

[0006] The MPO optical fiber connector provided by the application adopts the following technical scheme: an MPO optical fiber connector, comprising a female MPO optical fiber connector, a male MPO optical fiber connector and an adapter, a plurality of connecting blocks are fixedly connected to the left and right sides of the adapter, a plug rod is fixedly connected to one side of the connecting block, mounting seats are fixedly connected to the left and right sides of the female MPO optical fiber connector and the male MPO optical fiber connector, a cavity is formed in the inside of the mounting seat, a positioning mechanism is arranged in the inside of the cavity, a connecting head is fixedly connected to the positioning mechanism, a fixing mechanism is arranged between the corresponding two connecting heads, recesses are formed in the ends of the female MPO optical fiber connector and the male MPO optical fiber connector, and a sealing mechanism is arranged in the recess.

[0007] Preferably, the positioning mechanism comprises a positioning rod, a connecting ring and a first spring, the positioning rod is arranged in the cavity in a penetrating manner, the top end of the positioning rod penetrates out of the cavity and is connected with the bottom end of the connecting head, the connecting ring is fixedly connected to the outside of the positioning rod, the first spring is sleeved on the outside of the positioning rod, and the upper and lower ends of the first spring are connected with the connecting ring and the cavity respectively.

[0008] Preferably, the fixing mechanism comprises a U-shaped plate and a first magnet, the U-shaped plate is rotatably connected between the corresponding two connecting heads, and the first magnet is fixedly connected to the bottom end of the U-shaped plate.

[0009] Preferably, the sealing mechanism comprises a plurality of second springs, a connecting frame and a sealing strip, the plurality of second springs are fixedly connected in the recess, the connecting frame is fixedly connected to one end of the plurality of second springs away from the recess, the sealing strip is fixedly connected to one end of the connecting frame away from the second spring, and the end of the sealing strip away from the connecting frame is in abutment with the adapter.

[0010] Preferably, a positioning hole for cooperating with the positioning rod is formed in the upper part of the plug rod, and the bottom end of the positioning rod is inserted into the positioning hole.

[0011] Preferably, the upper part of the female MPO fiber connector and the male MPO fiber connector is provided with a round mouth, and a second magnet matched with the first magnet is fixedly connected in the round mouth, the upper end of the second magnet is in contact with the bottom end of the first magnet, and the second magnet and the first magnet are opposite poles of each other.

[0012] Preferably, one end of the mounting seat is provided with a socket, and the end of the insertion rod away from the connecting block is inserted into the cavity through the socket.

[0013] Preferably, the insertion rod is a wedge-shaped rod, and the bottom end of the positioning rod is a slope matched with the insertion rod.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] 1. The connecting block, insertion rod, mounting seat, positioning mechanism and positioning hole are arranged, when the female MPO fiber connector and the male MPO fiber connector are connected with the adapter, the insertion rod is directly inserted into the cavity, at this time, the bottom end of the positioning rod is a slope, so that the insertion rod can extrude the positioning rod to move upward, when the insertion rod contacts with the inner wall of the cavity, the positioning rod can be inserted into the positioning hole on the insertion rod through the elastic force of the first spring, so that the female MPO fiber connector and the male MPO fiber connector can be connected with the adapter, which is simple and fast.

[0016] 2. The connecting head, fixing mechanism and second magnet are arranged, after the female MPO fiber connector, the male MPO fiber connector and the adapter are connected, the U-shaped plate can be rotated to make the first magnet and the second magnet adsorb and adhere, so that the U-shaped plate can be fixed, and the female MPO fiber connector and the male MPO fiber connector will not move due to accidental contact with the U-shaped plate during use, thereby further ensuring the installation firmness between the female MPO fiber connector, the male MPO fiber connector and the adapter.

[0017] 3. The recess is arranged, after the female MPO fiber connector, the male MPO fiber connector and the adapter are connected, the sealing strip on the connecting frame can always abut against the adapter through the elastic force of the second spring, so as to ensure the use sealing performance of the female MPO fiber connector, the male MPO fiber connector and the adapter after being connected.

[0018] 4. One end of the mounting seat is provided with a socket, and the end of the insertion rod away from the connecting block is inserted into the cavity through the socket, so that the insertion rod is more accurate when inserted into the cavity through the socket, and plays a positioning and guiding role.

[0019] 5. The present invention also provides that the insertion rod is a wedge-shaped rod, and the bottom end of the positioning rod is a slope shape that cooperates with the insertion rod, so that when the insertion rod contacts the bottom end of the positioning rod during the process of insertion into the cavity, it will drive the positioning rod to move upward, which facilitates the subsequent insertion of the positioning rod into the positioning hole by the elastic force of the first spring. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of an MPO fiber optic connector according to the present invention;

[0021] Figure 2 This is an exploded view of an MPO fiber optic connector according to the present invention.

[0022] Figure 3 This is an exploded connection diagram of the male MPO fiber optic connector and sealing mechanism in an MPO fiber optic connector according to the present invention.

[0023] Figure 4 This is a cross-sectional view of the mounting base in an MPO fiber optic connector according to the present invention.

[0024] Figure 5 This is a schematic diagram of the connection structure between the fixing mechanism and the connector in an MPO fiber optic connector according to the present invention;

[0025] Figure 6 This is an exploded view of the positioning mechanism and insertion rod in an MPO fiber optic connector according to the present invention.

[0026] Figure 7 This invention relates to an MPO fiber optic connector. Figure 1 An enlarged schematic diagram of the structure of part A in the middle.

[0027] Explanation of reference numerals in the attached drawings: 1. Female MPO fiber optic connector; 2. Male MPO fiber optic connector; 3. Adapter; 4. Connecting block; 5. Insert rod; 6. Mounting base; 7. Cavity; 8. Positioning mechanism; 801. Positioning rod; 802. Connecting ring; 803. First spring; 9. Connector head; 10. Fixing mechanism; 101. U-shaped plate; 102. First magnet; 11. Groove; 12. Sealing mechanism; 121. Second spring; 122. Connecting frame; 123. Sealing strip; 13. Positioning hole; 14. Round opening; 15. Second magnet; 16. Insert. Detailed Implementation

[0028] The following will be combined with the appendix Figures 1-7 The technical solutions of the present invention have been clearly and completely described. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In addition, the technical features involved in the different embodiments of the application described below can be combined with each other as long as they do not conflict with each other.

[0030] The embodiment of the present application discloses an MPO optical fiber connector. Referring to Figures 1-7 An MPO optical fiber connector, comprising a female MPO optical fiber connector 1, a male MPO optical fiber connector 2 and an adapter 3, a plurality of connecting blocks 4 are fixedly connected on the left and right sides of the adapter 3, a plug rod 5 is fixedly connected on one side of the connecting block 4, mounting seats 6 are fixedly connected on the left and right sides of the female MPO optical fiber connector 1 and the male MPO optical fiber connector 2, cavities 7 are arranged in the mounting seats 6, positioning mechanisms 8 are arranged in the cavities 7, connecting heads 9 are fixedly connected on the positioning mechanisms 8, fixing mechanisms 10 are arranged between the corresponding two connecting heads 9, recesses 11 are arranged on the ends of the female MPO optical fiber connector 1 and the male MPO optical fiber connector 2, and sealing mechanisms 12 are arranged in the recesses 11.

[0031] Referring to Figure 4 and Figure 6The positioning mechanism 8 comprises a positioning rod 801, a connecting ring 802 and a first spring 803, the positioning rod 801 is arranged in the cavity 7, the top end of the positioning rod 801 penetrates out of the cavity 7 and is connected with the bottom end of the connecting head 9, the connecting ring 802 is fixedly connected to the outer side of the positioning rod 801, the first spring 803 is sleeved on the outer side of the positioning rod 801, and the upper and lower ends of the first spring 803 are connected with the connecting ring 802 and the cavity 7 respectively; the upper part of the plug rod 5 is provided with a positioning hole 13 matched with the positioning rod 801, and the bottom end of the positioning rod 801 is inserted into the positioning hole 13; by adopting the above technical scheme, when the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 are connected, the plug rod 5 will extrude the positioning rod 801 and the first spring 803, then the extrusion force of the positioning rod 801 disappears when the plug rod 5 contacts with the inner wall of the cavity 7, at this time, the positioning rod 801 can be inserted into the positioning hole 13 to fix the plug rod 5 by the elastic force of the first spring 803, so that the connection between the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is completed, which is simple and fast.

[0032] With reference to Figure 5 And Figure 7 The fixing mechanism 10 comprises a U-shaped plate 101 and a first magnet 102, the U-shaped plate 101 is rotationally connected between the corresponding two connecting heads 9, and the first magnet 102 is fixedly connected to the bottom end of the U-shaped plate 101; the upper part of the female MPO fiber connector 1 and the male MPO fiber connector 2 are both provided with a round port 14, and a second magnet 15 matched with the first magnet 102 is fixedly connected in the round port 14, the upper end of the second magnet 15 contacts with the bottom end of the first magnet 102, and the second magnet 15 and the first magnet 102 are opposite in polarity; by adopting the above technical scheme, after the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 are connected, the U-shaped plate 101 can be rotated to make the first magnet 102 and the second magnet 15 adsorbed and attached, so that the U-shaped plate 101 can be fixedly limited, and the female MPO fiber connector 1 and the male MPO fiber connector 2 will not move because of accidentally touching the U-shaped plate 101 during use, thereby further ensuring the installation firmness between the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3.

[0033] With reference to Figure 3The sealing mechanism 12 comprises a plurality of second springs 121, a connecting frame 122 and a sealing strip 123, the plurality of second springs 121 are fixedly connected in the groove 11, the connecting frame 122 is fixedly connected at one end of the plurality of second springs 121 away from the groove 11, the sealing strip 123 is fixedly connected at one end of the connecting frame 122 away from the second springs 121, and one end of the sealing strip 123 away from the connecting frame 122 abuts against the adapter 3; by adopting the above technical scheme, after the female MPO optical fiber connector 1, the male MPO optical fiber connector 2 and the adapter 3 are connected, the elastic force of the second spring 121 can make the sealing strip 123 always abut against the adapter 3, thereby ensuring the sealing performance of the female MPO optical fiber connector 1, the male MPO optical fiber connector 2 and the adapter 3 after being connected.

[0034] With reference to Figure 2 One end of the mounting seat 6 is provided with a socket 16, and one end of the insertion rod 5 away from the connecting block 4 is inserted into the cavity 7 through the socket 16; by adopting the above technical scheme, the insertion rod 5 is more accurate when being inserted into the cavity 7 through the socket 16, thereby playing a positioning and guiding role.

[0035] With reference to Figure 6 The insertion rod 5 is a wedge-shaped rod, and the bottom end of the positioning rod 801 is a slope used in cooperation with the insertion rod 5; by adopting the above technical scheme, when the insertion rod 5 contacts the bottom end of the positioning rod 801 during being inserted into the cavity 7, the positioning rod 801 is driven to move upward, thereby facilitating the subsequent insertion of the positioning rod 801 into the positioning hole 13 through the elastic force of the first spring 803.

[0036] Working principle: when the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 are connected, the female MPO fiber connector 1 and the male MPO fiber connector 2 are directly connected with the adapter 3, at this time, the insertion rod 5 on the connecting block 4 is inserted into the cavity 7 inside the mounting seat 6, the insertion rod 5 is extruded to the positioning rod 801 during the insertion into the cavity 7, so that the positioning rod 801 moves upward, at this time, the first spring 803 is extruded through the connecting ring 802, then when the insertion rod 5 contacts with the inner wall of the cavity 7, the extrusion force of the positioning rod 801 disappears, then the positioning rod 801 is driven to move downward by the elastic force of the first spring 803, and the bottom end of the positioning rod 801 is inserted into the positioning hole 13 on the insertion rod 5, so that the insertion rod 5 is fixed, and the connection between the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is completed, which is simple and fast, and in the process of connecting the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3, the sealing strip 123 contacts with the adapter 3 and extrudes the second spring 121, then after the connection of the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is completed, the sealing strip 123 is always in abutment with the adapter 3 by the elastic force of the second spring 121, so that the sealing property of the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 after connection is ensured, then after the connection of the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is completed, the first magnet 102 is adsorbed and attached with the second magnet 15 by rotating the U-shaped plate 101, so that the U-shaped plate 101 is limited and fixed, and the positioning rod 801 is not moved due to accidental contact with the U-shaped plate 101 during the use of the female MPO fiber connector 1 and the male MPO fiber connector 2, so that the installation firmness between the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is further ensured.

[0037] When the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 are connected, the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 are connected, the female MPO fiber connector 1 and the male MPO fiber connector 2 are directly connected with the adapter 3, at this time, the insertion rod 5 on the connecting block 4 is inserted into the cavity 7 inside the mounting seat 6, the insertion rod 5 is extruded to the positioning rod 801 during the insertion into the cavity 7, so that the positioning rod 801 moves upward, at this time, the first spring 803 is extruded through the connecting ring 802, then when the insertion rod 5 contacts with the inner wall of the cavity 7, the extrusion force of the positioning rod 801 disappears, then the positioning rod 801 is driven to move downward by the elastic force of the first spring 803, and the bottom end of the positioning rod 801 is inserted into the positioning hole 13 on the insertion rod 5, so that the insertion rod 5 is fixed, and the connection between the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is completed, which is simple and fast, and in the process of connecting the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3, the sealing strip 123 contacts with the adapter 3 and extrudes the second spring 121, then after the connection of the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is completed, the sealing strip 123 is always in abutment with the adapter 3 by the elastic force of the second spring 121, so that the sealing property of the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 after connection is ensured, then after the connection of the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is completed, the first magnet 102 is adsorbed and attached with the second magnet 15 by rotating the U-shaped plate 101, so that the U-shaped plate 101 is limited and fixed, and the positioning rod 801 is not moved due to accidental contact with the U-shaped plate 101 during the use of the female MPO fiber connector 1 and the male MPO fiber connector 2, so that the installation firmness between the female MPO fiber connector 1, the male MPO fiber connector 2 and the adapter 3 is further ensured.

[0038] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the scope of the present application is not limited to these specific embodiments.

[0039] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, and it is intended that the scope of the application be limited solely by the scope of the appended claims and the equivalents thereof.

Claims

1. An MPO fiber optic connector comprising a female MPO fiber optic connector (1), a male MPO fiber optic connector (2) and an adapter (3), characterized in that: The left and right sides of the adapter (3) are fixedly connected with a plurality of connecting blocks (4), one side of the connecting block (4) is fixedly connected with a plug rod (5), the left and right sides of the female MPO fiber connector (1) and the male MPO fiber connector (2) are fixedly connected with a mounting seat (6), a cavity (7) is arranged in the mounting seat (6), a positioning mechanism (8) is arranged in the cavity (7), the positioning mechanism (8) is fixedly connected with a connecting head (9), a fixing mechanism (10) is arranged between the corresponding two connecting heads (9), recesses (11) are arranged at one end of the female MPO fiber connector (1) and the male MPO fiber connector (2) which are close to each other, and sealing mechanisms (12) are arranged in the recesses (11). The positioning mechanism (8) comprises a positioning rod (801), a connecting ring (802) and a first spring (803), the positioning rod (801) is arranged in the cavity (7), the top end of the positioning rod (801) penetrates out of the cavity (7) and is connected with the bottom end of the connecting head (9), the connecting ring (802) is fixedly connected to the outside of the positioning rod (801), and the first spring (803) is sleeved on the outside of the positioning rod (801), and the upper and lower ends of the first spring (803) are connected with the connecting ring (802) and the cavity (7) respectively. The fixing mechanism (10) comprises a U-shaped plate (101) and a first magnet (102), the U-shaped plate (101) is rotatably connected between the corresponding two connecting heads (9), and the first magnet (102) is fixedly connected to the bottom end of the U-shaped plate (101). The sealing mechanism (12) comprises a plurality of second springs (121), a connecting frame (122) and a sealing strip (123), the plurality of second springs (121) are fixedly connected in the recess (11), the connecting frame (122) is fixedly connected to one end of the plurality of second springs (121) away from the recess (11), the sealing strip (123) is fixedly connected to one end of the connecting frame (122) away from the second spring (121), and the end of the sealing strip (123) away from the connecting frame (122) abuts against the adapter (3). The upper part of the plug rod (5) is provided with a positioning hole (13) matched with the positioning rod (801), and the bottom end of the positioning rod (801) is inserted into the positioning hole (13).

2. The MPO fiber optic connector of claim 1, wherein: The upper part of the female MPO fiber connector (1) and the male MPO fiber connector (2) is provided with a round port (14), and a second magnet (15) matched with the first magnet (102) is fixedly connected in the round port (14), the upper end of the second magnet (15) is in contact with the bottom end of the first magnet (102), and the second magnet (15) and the first magnet (102) are opposite magnets.

3. The MPO fiber optic connector of claim 2, wherein: One end of the mounting seat (6) is provided with a socket (16), and the end of the plug rod (5) away from the connecting block (4) is inserted into the cavity (7) through the socket (16).

4. The MPO fiber optic connector of claim 3, wherein: The insertion rod (5) is a wedge-shaped rod, and the bottom end of the positioning rod (801) is a slope-shaped end for cooperating with the insertion rod (5).

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