Optical fiber adapter capable of rotating angle

Abstract

The utility model discloses an angle-rotatable optical fiber adapter, and particularly relates to the technical field of adapter unit modules suitable for high-density assembly, the angle-rotatable optical fiber adapter comprises an adapter main body, the adapter main body comprises two split-type housings, one sides of the two housings, which are far away from each other, are provided with slots used for plugging optical fiber cables, and the two housings are provided with slots used for plugging optical fiber cables. Through holes are formed in the sides, close to each other, of the two shells, and insertion cores are arranged in the through holes in an interference fit mode. According to the utility model, the adapter main body is provided with the clamping frame which can be matched with the distribution frame and installed on the distribution frame, so that the adapter main body can rotate along the axis of the rotating shaft on the clamping frame, and the bending degree of an optical fiber cable is reduced through the rotation of the adapter main body; therefore, the effective transmission bandwidth of the optical fiber cable can be improved while the optical fiber cable can be installed at different positions in the cabinet according to the preset line.

Description

TECHNICAL FIELD

[0001] The utility model relates to the adapter unit module field suitable for high density assembly more specifically, the utility model relates to a rotatable angle's optical fiber adapter. BACKGROUND

[0002] Optical fiber adapter, also known as optical fiber coupler, flange, is the device used for connecting two optical fibers or optical cables in optical fiber communication system, can ensure the accurate butt joint between optical fibers, realizes the effective transmission of optical signal. The signal of optical fiber transmission is not affected by electromagnetic interference and attenuation, and the transmission quality is stable and reliable, which can effectively improve the security and stability of network. And, optical fiber supports high-speed transmission, which can guarantee efficient transmission of optical signals between different devices, significantly improving the overall network speed. Therefore, optical fiber communication system is widely used in factories, schools and data centers and other fields.

[0003] The existing data center generally has a large number of servers, storage devices and network devices inside, in order to improve the space utilization of data center, these devices will be generally installed in high density in the cabinet, and in order to facilitate the staff management, the optical fiber adapters connected by these devices are usually installed on the front or rear optical fiber distribution frame of the cabinet, and the staff sets the optical cable line uniformly. At the same time, in order to facilitate maintenance, the staff usually uses multiple straps to fix the optical cable at different positions in the cabinet according to the preset line, so that the connection between the optical cable and the distribution frame is usually bent into a right angle or even an acute angle.

[0004] However, the existing optical fiber adapter is generally installed on the distribution frame at a fixed angle, so the bending state of the connection between the optical cable and the distribution frame is generally realized by the bending of the optical cable. The optical signal is continuously propagated forward in the fiber core according to the principle of total reflection, and in the ideal state, the transmission effect of the optical cable in a straight line is the best. Therefore, the bending of the optical cable (especially the bending in a right angle or even an acute angle) will seriously affect the transmission of the optical signal in the cable, obviously increase the signal loss, and intensify the signal distortion, thereby reducing the effective transmission bandwidth of the optical cable. UTILITY MODEL CONTENTS

[0005] The utility model provides a rotatable angle's optical fiber adapter, the problem to be solved is: the bending state of the connection between the existing optical cable and the distribution frame is generally realized by the bending of the optical cable. The bending of the optical cable (especially the bending in a right angle or even an acute angle) will seriously affect the transmission of the optical signal in the cable, thereby reducing the effective transmission bandwidth of the optical cable.

[0006] To achieve the above object, the utility model provides following technical scheme: a rotatable angle optical fiber adapter, include: adapter main part, adapter main part includes two split type setting casing, the side of two casing away from each other is provided with the slot for splicing optical fiber cable, the side of two casing is close to each other all is provided with through -hole, and the through -hole is provided with the plug -in core of interference fit in,

[0007] The side of two casing is close to each other all is provided with the semicylindrical hole of up and down through, and the casing is provided with installation mechanism, and the installation mechanism includes the clamping frame, be provided with the clamping groove on the clamping frame, for the clamping frame is installed on the distribution frame, the clamping frame is set outside the junction of two casing, and the middle position of clamping frame is provided with the pivot, and the pivot is adapted to the semicylindrical hole, and the adapter main part rotates in the clamping frame along the axis of the pivot.

[0008] In a preferred embodiment, the upper and lower sides of the two housings are each provided with a limiting slot, and the inner walls of the upper and lower sides of the clamping frame are respectively in abutment with the corresponding limiting slots.

[0009] In a preferred embodiment, the inner wall of the slot is provided with a connecting sleeve, and the two ends of the plug-in core extend to the inner sides of the corresponding two slots, respectively, and the plug-in core is adapted to the connecting sleeve.

[0010] In a preferred embodiment, the clamping frame is provided with a fixing mechanism, the fixing mechanism includes a cavity provided in the clamping frame, a fixing rod is slidingly arranged in the cavity, the top end of the fixing rod extends into the cavity, and the top end of the fixing rod in the cavity is sequentially provided with a trapezoidal block and a positioning column, the top end of the positioning column extends out of the top of the cavity and slides in the cavity, a spring is sleeved outside the positioning column, the top end of the spring is fixedly connected with the inner wall of the top of the cavity, and the bottom end of the spring is fixedly connected with the top of the trapezoidal block.

[0011] In a preferred embodiment, a support plate is provided in the cavity, a slide rod is slidingly arranged on the support plate, one end of the slide rod close to the trapezoidal block is in abutment with the inclined surface of the trapezoidal block, and the other end of the slide rod away from the trapezoidal block is provided with a triangular block.

[0012] In a preferred embodiment, a slide rod is slidingly arranged on the top of the clamping frame, the bottom end of the slide rod extends into the cavity, and the bottom end of the slide rod is in abutment with the triangular block.

[0013] In a preferred embodiment, an arc-shaped groove is formed in the top of the limiting slot, the arc-shaped groove is in abutment with the fixing rod, and the opposite sides of the arc-shaped groove and the fixing rod are both provided with rough surfaces.

[0014] The utility model has the advantages of:

[0015] The utility model discloses an adapter main part can be installed in the clamping frame with the distribution frame on the adapter main body, makes the adapter main part can rotate along the axle line of the pivot on the clamping frame, thereby reducing the degree of bending of the fiber optic cable through the rotation of the adapter main body, and further can realize that the fiber optic cable can be installed in the different positions of the cabinet according to the preset line, and the effective transmission bandwidth of the fiber optic cable is improved.

[0016] Further, through setting the mounting mechanism, the adapter main body can be fixed after rotating to the appropriate angle, thereby improving the stability of equipment installation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the three-dimensional schematic view of the utility model.

[0018] Figure 2 It is the structure schematic view of the adapter main part of the utility model.

[0019] Figure 3 It is the explosion structure schematic view of the utility model.

[0020] Figure 4 It is the structure schematic view of the clamping frame part of the utility model.

[0021] Figure 5 It is the section structure schematic view of the clamping frame part of the utility model.

[0022] Figure 6 It is the structure schematic view of part A of the utility model.

[0023] The figure mark is: 1, adapter main part;11, shell;12, slot;13, through -hole;14, limit slot;15, arc slot;16, semicircular cylindrical hole;17, plug core;18, connecting sleeve;2, mounting mechanism;21, clamping frame;22, pivot;23, clamping groove;3, fixed mechanism;31, cavity;32, support plate;33, sliding rod;34, triangular block;35, trapezoidal block;36, fixed rod;37, positioning column;38, spring;39, press bar. DETAILED DESCRIPTION

[0024] It is necessary to point out here that the following specific embodiments are only used to further illustrate the application, and can not be understood as limiting the scope of the application, and the skilled in the art can make some non-essential improvements and adjustments to the application according to the above application content.

[0025] Refer to the description attached Figures 1 to 6The utility model provides an angle rotatable optical fiber adapter, include: adapter main part 1, adapter main part 1 includes two split setting shell 11, the mutual side of two shell 11 is provided with the slot 12 for inserting optical fiber cable for inserting optical fiber cable, the mutual side of two shell 11 is all seted up with the through -hole 13, and the through -hole 13 is provided with the ferrule 17 with the interference fit,

[0026] The mutual side of two shell 11 is all seted up with the semicylindrical hole 16 that passes through up and down, and the shell 11 is provided with mounting mechanism 2, and the mounting mechanism 2 includes the clamping frame 21, be provided with the clamping groove 23 on the clamping frame 21, for installing clamping frame 21 on the distribution rack, and the clamping frame 21 is set on the outside of the connecting place of two shell 11, and the middle position of clamping frame 21 is provided with the pivot 22, and the pivot 22 is adapted with the semicylindrical hole 16, and the adapter main part 1 rotates along the axis of the pivot 22 in the clamping frame 21.

[0027] Need to explain, the slot 12, the through -hole 13 and the ferrule 17 can be set multiple according to actual conditions.

[0028] In the embodiment, the implementation scene is specifically: two optical fiber cables are inserted into the corresponding two slots 12 in the adapter main part 1 to complete the connection, and the adapter main part 1 fixedly connected with the clamping frame 21 is installed on the distribution rack through the clamping frame 21, therefore, the adapter main part 1 can rotate in the clamping frame 21 to reduce the bending degree of the optical fiber cable while realizing that the optical fiber cable can be installed in different positions in the cabinet according to the preset line, thereby improving the effective transmission bandwidth of the optical fiber cable.

[0029] Referring to the drawings accompanying the specification Figure 1 And Figure 2 In the embodiment, the upper and lower sides of the end of the two shell 11 close to each other are provided with limiting grooves 14, and the inner walls of the upper and lower sides of the clamping frame 21 respectively abut against the corresponding limiting grooves 14.

[0030] Need to explain, the left and right inner walls of the clamping frame 21 and the shell 11 are reserved enough spacing, so as to avoid interfering with the angle rotation of the adapter main part 1.

[0031] Referring to the drawings accompanying the specification Figure 2 And Figure 3 In the embodiment, the inner wall of the slot 12 is provided with a connecting sleeve 18, and the two ends of the ferrule 17 extend to the inner sides of the corresponding two slots 12, respectively, and the ferrule 17 is adapted with the connecting sleeve 18.

[0032] Need to explain, two shell 11 is detachably connected through the cooperation of the ferrule 17, the connecting sleeve 18 and the through -hole 13.

[0033] Referring to the drawings accompanying the specification Figures 3 to 6In the embodiment, the fixing mechanism 3 is arranged on the clamping frame 21, the fixing mechanism 3 comprises a cavity 31 arranged in the clamping frame, a fixing rod 36 is slidingly arranged in the cavity 31, the top end of the fixing rod 36 extends into the cavity 31, and the top end of the fixing rod 36 in the cavity 31 is sequentially provided with a trapezoidal block 35 and a positioning column 37, the top end of the positioning column 37 extends out of the top of the cavity 31 and slides in the cavity 31, a spring 38 is arranged outside the positioning column 37, the top end of the spring 38 is fixedly connected with the inner wall of the top of the cavity 31, and the bottom end of the spring 38 is fixedly connected with the top of the trapezoidal block 35.

[0034] It should be noted that the fixing rod 36, the trapezoidal block 35 and the positioning column 37 are fixedly connected, and the fixing rod 36, the trapezoidal block 35 and the positioning column 37 can be symmetrically arranged in two groups.

[0035] Referring to the drawings accompanying the specification Figures 3 to 6 In the embodiment, a support plate 32 is arranged in the cavity 31, a sliding rod 33 is slidingly arranged on the support plate 32, one end of the sliding rod 33 close to the trapezoidal block 35 abuts against the inclined surface of the trapezoidal block 35, and a triangular block 34 is arranged at the other end of the sliding rod 33 away from the trapezoidal block 35.

[0036] It should be noted that the sliding rod 33 and the triangular block 34 can be symmetrically arranged in two groups.

[0037] Referring to the drawings accompanying the specification Figures 3 to 6 In the embodiment, a pressing rod 39 is slidingly arranged on the top of the clamping frame 21, the bottom end of the pressing rod 39 extends into the cavity 31, and the bottom end of the pressing rod 39 abuts against the triangular block 34.

[0038] Referring to the drawings accompanying the specification Figure 2 and Figure 3 In the embodiment, an arc-shaped groove 15 is arranged at the top of the limiting groove 14, the arc-shaped groove 15 abuts against the fixing rod 36, and the opposite sides of the arc-shaped groove 15 and the fixing rod 36 are both arranged with rough surfaces.

[0039] It should be noted that the position and shape of the arc-shaped groove 15 are adapted to the moving track of the fixing rod 36.

[0040] The above-described embodiments only express several implementation manners of the utility model, the description is relatively specific and detailed, but it cannot be understood as the limitation of the utility model patent scope. It should be noted that, for ordinary skilled persons in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which all belong to the protection scope of the utility model.

Claims

1. A rotatable angle optical fiber adapter, comprising: Adapter body (1), the adapter body (1) includes two split housings (11), the mutually far away one side of two housings (11) is provided with the slot (12) for inserting fiber optic cable, the mutually close one side of two housings (11) is all provided with the through hole (13), the through hole (13) is provided with the ferrule (17) with interference fit in; It is characterized in that the mutually close one side of two housings (11) is all provided with the semicylindrical hole (16) that passes through up and down, the housing (11) is provided with the mounting mechanism (2), the mounting mechanism (2) includes the clamping frame (21), the clamping frame (21) is provided with the clamping groove (23), for the clamping frame (21) is installed on the distribution frame, the clamping frame (21) is set on the outside of the connecting place of two housings (11), the middle position of clamping frame (21) is provided with the pivot (22), the pivot (22) is adapted with semicylindrical hole (16), the adapter body (1) rotates along the axis of the pivot (22) in the clamping frame (21).

2. The rotatable angle fiber optic adapter of claim 1, wherein, The upper and lower sides of the mutually close one end of two housings (11) are all provided with the limiting slot (14), the upper and lower sides of the inner wall of the clamping frame (21) are respectively abutted with the corresponding limiting slot (14).

3. A rotatable angle optical fiber adapter according to claim 2, wherein, The inner wall of the slot (12) is provided with a connecting sleeve (18), the two ends of the ferrule (17) extend to the inner side of the corresponding two slots (12) respectively, and the ferrule (17) is adapted with the connecting sleeve (18).

4. The rotatable angle optical fiber adapter of claim 3, wherein, The clamping frame (21) is provided with a fixing mechanism (3), the fixing mechanism (3) includes a cavity (31) provided in the clamping frame, a fixing rod (36) is slidably arranged in the cavity (31), the top end of the fixing rod (36) extends into the cavity (31), and the top end of the fixing rod (36) in the cavity (31) is sequentially provided with a trapezoidal block (35) and a positioning column (37), the top end of the positioning column (37) extends out of the top of the cavity (31) and slides in the cavity (31), a spring (38) is sleeved outside the positioning column (37), the top end of the spring (38) is fixedly connected with the inner wall of the top of the cavity (31), and the bottom end of the spring (38) is fixedly connected with the top of the trapezoidal block (35).

5. A rotatable angle optical fiber adapter according to claim 4, wherein, The cavity (31) is provided with a support plate (32), a sliding rod (33) is slidably arranged on the support plate (32), one end of the sliding rod (33) close to the trapezoidal block (35) abuts against the inclined surface of the trapezoidal block (35), and the other end of the sliding rod (33) away from the trapezoidal block (35) is provided with a triangular block (34).

6. A rotatable angle optical fiber adapter according to claim 5, wherein, The top of the clamping frame (21) is slidably provided with a pressing rod (39), the bottom end of the pressing rod (39) extends into the cavity (31), and the bottom end of the pressing rod (39) abuts against the triangular block (34).

7. A rotatable angle fiber optic adapter as in claim 6, wherein, The top of the limiting slot (14) is provided with an arc-shaped slot (15), the arc-shaped slot (15) abuts against the fixing rod (36), and the opposite sides of the arc-shaped slot (15) and the fixing rod (36) are both provided with rough surfaces.

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