Optical fiber connector coupling device

Abstract

The invention discloses an optical fiber connector coupling device which comprises a first flange, a first optical fiber connector, an optical fiber connector coupler, a second optical fiber connector and a second flange. The first flange and the second flange are respectively mounted at two ends of the optical fiber connector coupler, and coupling connection of the first optical fiber connector and the second optical fiber connector is realized by screwing external threads of the first flange and the second flange with internal threads of the optical fiber connector coupler; the diameter and the length of an inner hole of the optical fiber connector coupler and the thread pitch, the rotation direction and the diameter of a thread are adjusted according to the outer diameter, the length and the butt joint mode of the optical fiber connector and flange thread size parameters, and the coupling connection requirements of optical fiber connectors of different specifications and flanges of different sizes are met. The device is suitable for compact optical fiber coupling conditions in space and conventional optical fiber coupling tests; the optical fiber connector coupling device is simple in structure, high in adaptability and capable of achieving quick coupling connection of optical fiber connectors of different specifications and sizes; the coupling precision is high, the splicing connection is firm and reliable, and the device can be used in high-strength mechanical environments.

Description

Technical Field

[0001] The present application relates to the technical field of optical fiber coupling, and in particular to an optical fiber connector coupling device. Background Art

[0002] Fiber coupling technology is a technology that connects optical fiber with other optical devices. Its principle is to utilize the transmission characteristics of optical fiber. By bringing the end faces of two optical fibers close together and aligning them, the optical signal can be transferred from the transmission mode of one optical fiber to the receiving mode of another optical fiber, thereby realizing light energy transfer and signal transmission between optical fibers.

[0003] The traditional optical fiber connector coupling device has low structural positioning accuracy and poor operability. It is mostly applicable to standard-sized optical fiber connectors and cannot meet the adaptation requirements of optical fiber connectors of different specifications. The current optical fiber connector coupling device is mainly reflected in the following aspects when in use:

[0004] 1. The scope of application is single and cannot meet the needs of quick coupling of non-standard optical fiber connectors.

[0005] 2. When coupling traditional optical fiber connectors, the coupling device structure mostly uses keyways for positioning, and the positioning accuracy is not high; the coupling angle of the two optical fiber connector end faces cannot be adjusted, and the operability is poor.

[0006] 3. The ability of traditional optical fiber connector coupling devices to withstand mechanical environments is weak, and they cannot meet the requirements of use in high-intensity mechanical environments, and their scope of use is limited. Summary of the invention

[0007] The present application provides an optical fiber connector coupling device. The optical fiber connector coupling device has a simple structure and strong applicability, and can realize coupling connection between optical fiber connectors of different types and specifications. The coupling connection is firm and reliable, and can be used in high-intensity mechanical environments.

[0008] In a first aspect, a fiber optic connector coupling device is provided, comprising a first flange, a first fiber optic connector, a fiber optic connector coupler, a second fiber optic connector, and a second flange; the first flange and the second flange are respectively mounted at two ends of the fiber optic connector coupler, and a splicing connection is achieved by screwing the external threads of the first flange and the second flange with the internal threads of the fiber optic connector coupler; the first fiber optic connector is arranged on a side of the first flange close to the fiber optic connector coupler, and during the screwing process of the first flange, the first fiber optic connector gradually penetrates into the coupler inner hole of the fiber optic connector coupler; the second fiber optic connector is arranged on a side of the second flange close to the fiber optic connector coupler, and during the screwing process of the second flange, the second fiber optic connector gradually penetrates into the coupler inner hole of the fiber optic connector coupler; the first fiber optic connector and the second fiber optic connector both have an integral through center hole for passing the optical fiber.

[0009] In combination with the first aspect, in certain implementations of the first aspect, the optical fiber connector coupler has a first threaded hole on the side facing the first flange, and the optical fiber connector coupler has a second threaded hole on the side facing the second flange; the first threaded hole and the second threaded hole are connected through the inner hole of the coupler.

[0010] In combination with the first aspect, in certain implementations of the first aspect, the first optical fiber connector is sequentially provided with a first flange plug-in section, a first optical fiber connector positioning surface, and a first coupler plug-in section in the length direction; the first flange has a first flange center through hole; the first flange plug-in section of the first optical fiber connector passes through the first flange center through hole and is mechanically matched so that the side of the first flange close to the optical fiber connector coupler abuts against the first optical fiber connector positioning surface.

[0011] In combination with the first aspect, in certain implementations of the first aspect, the second optical fiber connector is sequentially provided with a second flange plug-in section, a second optical fiber connector positioning surface, and a second coupler plug-in section in the length direction; the second flange has a second flange center through hole; the second flange plug-in section of the second optical fiber connector passes through the second flange center through hole and is mechanically matched so that the side of the second flange close to the optical fiber connector coupler abuts against the second optical fiber connector positioning surface.

[0012] In combination with the first aspect, in certain implementations of the first aspect, the first flange is screwed into the first threaded hole of the optical fiber connector coupler through the first flange thread, so as to realize the connection and fixation between the first flange and the optical fiber connector coupler; then, the other side of the first optical fiber connector positioning surface abuts against the end face of the optical fiber connector coupler, which end face is the end face of the inner hole of the coupler at the first end opening.

[0013] In combination with the first aspect, in certain implementations of the first aspect, the second flange is screwed into the second threaded hole of the optical fiber connector coupler through the second flange thread, so as to realize the connection and fixation between the second flange and the optical fiber connector coupler; then, the other side of the second optical fiber connector positioning surface abuts against the end face of the optical fiber connector coupler, which end face is the end face of the coupler inner hole at the second end opening.

[0014] In combination with the first aspect, in certain implementations of the first aspect, the first coupler plug-in section and the second coupler plug-in section are inserted face to face into the coupler inner hole of the optical fiber connector coupler and abut against each other; the overall through center hole of the first optical fiber connector is aligned with the overall through center hole of the second optical fiber connector to facilitate smooth insertion of the optical fiber; the outer diameter of the first coupler plug-in section is equal to the diameter of the coupler inner hole; the outer diameter of the second coupler plug-in section is equal to the diameter of the coupler inner hole.

[0015] In combination with the first aspect, in certain implementations of the first aspect, the optical fiber connector coupler further has a first back-off groove and a second back-off groove; the first back-off groove is arranged between the first threaded hole and the inner hole of the coupler, and the second back-off groove is arranged between the second threaded hole and the inner hole of the coupler; the first back-off groove and the second back-off groove are adjusted according to the positioning surface of the optical fiber connector.

[0016] In combination with the first aspect, in certain implementations of the first aspect, the thread diameter, pitch, thread grade, rotation direction, and length parameters of the first threaded hole and the second threaded hole of the coupler of the optical fiber connector coupler are adjusted according to the flange thread size; the coupler inner hole diameter and length of the optical fiber connector coupler are adjusted according to the size of the optical fiber connector and the docking method to meet the coupling connection requirements of optical fiber connectors of various specifications.

[0017] In combination with the first aspect, in certain implementations of the first aspect, the fiber optic connector coupler is made of metal material, and is processed using corresponding types of metal materials according to various mechanical environments.

[0018] Compared with the prior art, the solution provided by this application includes at least the following beneficial technical effects:

[0019] (1) The optical fiber connector coupling device of the present invention is easy to operate, has strong applicability, and can be varied in types to meet the coupling and connection requirements of optical fiber connectors of different specifications.

[0020] (2) The optical fiber connector coupling device of the present invention adopts the method of clamping the optical fiber connector and the inner hole of the optical fiber connector coupler for positioning; the flange and the optical fiber connector coupler are screwed together for locking; and the coupling angle of the two optical fiber end faces can be adjusted.

[0021] (3) The optical fiber connector coupling device of the present invention has a simple structure, is easy to process and assemble, has a compact structure after splicing, can be used in high-intensity mechanical environments, and has high reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic structural diagram of the optical fiber connector coupling device of the present invention.

[0023] Figure 2 It is a schematic diagram of the structure of the optical fiber connector coupler of the present invention.

[0024] Figure 3 It is a schematic diagram of the optical fiber connector structure of the present invention.

[0025] Description of reference numerals:

[0026] 1. First flange; 101. First flange thread;

[0027] 2. First optical fiber connector; 201. First optical fiber connector outer diameter; 202. First coupler plug-in section; 203. First optical fiber connector positioning surface;

[0028] 3. Optical fiber connector coupler; 301. First threaded hole of coupler; 302. First undercut groove of coupler; 303. First positioning surface of coupler; 304. Inner hole of coupler; 305. Second positioning surface of coupler; 306. Second undercut groove of coupler; 307. Second threaded hole of coupler;

[0029] 4. Second optical fiber connector: 401. outer diameter of the second optical fiber connector; 402. second coupler plug-in section; 403. second optical fiber connector positioning surface;

[0030] 5. Second flange: 501, second flange thread. DETAILED DESCRIPTION

[0031] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0032] The present invention provides an optical fiber connector coupling device, which has a simple structure and strong applicability, can realize coupling connection between optical fiber connectors of different types and specifications, and the coupling connection is firm and reliable, and can be used in high-intensity mechanical environments.

[0033] like Figure 1 The structure diagram of the optical fiber connector coupling device is shown, which includes a first flange 1, a first optical fiber connector 2, an optical fiber connector coupler 3, a second optical fiber connector 4, and a second flange 5. The first flange 1 and the second flange 5 are respectively installed at both ends of the optical fiber connector coupler 3, and the splicing connection is achieved by screwing the external threads of the first flange 1 and the second flange 5 with the internal threads of the optical fiber connector coupler 3. The first optical fiber connector 2 is arranged on the side of the first flange 1 close to the optical fiber connector coupler 3, and during the screwing process of the first flange 1, the first optical fiber connector 2 gradually penetrates into the coupler inner hole of the optical fiber connector coupler 3. The second optical fiber connector 3 is arranged on the side of the second flange 5 close to the optical fiber connector coupler 3, and during the screwing process of the second flange 5, the second optical fiber connector 3 gradually penetrates into the coupler inner hole of the optical fiber connector coupler 3.

[0034] like Figure 2 The figure shows a schematic diagram of the structure of the optical fiber connector coupler 3. The optical fiber connector coupler 3 has a first threaded hole 301 on the side facing the first flange 1, and has a second threaded hole 307 on the side facing the second flange 5. The first threaded hole 301 and the second threaded hole 307 are connected through the inner hole 304 of the coupler.

[0035] like Figure 3 It is a schematic structural diagram of a first flange 1, a first optical fiber connector 2, a second optical fiber connector 4 and a second flange 5.

[0036] The first optical fiber connector 2 has a central hole that is integrally through and is used to pass the optical fiber. The first optical fiber connector 2 is provided with a first flange plug-in section, a first optical fiber connector positioning surface 203, and a first coupler plug-in section 202 in sequence in the length direction. In other words, the first optical fiber connector positioning surface 203 is connected between the first flange plug-in section and the first coupler plug-in section 202.

[0037] The second optical fiber connector 4 has a central hole that is integrally through and is used to pass the optical fiber. The second optical fiber connector 4 is provided with a second flange plug-in section, a second optical fiber connector positioning surface 403, and a second coupler plug-in section 402 in sequence in the length direction. In other words, the second optical fiber connector positioning surface 403 is connected between the second flange plug-in section and the second coupler plug-in section 402.

[0038] The first flange 1 has a first flange central through hole. The first flange plug-in section of the first optical fiber connector 2 passes through the first flange central through hole and is mechanically matched so that the side of the first flange 1 close to the optical fiber connector coupler 3 abuts against the first optical fiber connector positioning surface 203. The first flange 1 is screwed into the first threaded hole 301 of the optical fiber connector coupler 3 through the first flange thread 101 to achieve the connection and fixation between the first flange 1 and the optical fiber connector coupler 3. Furthermore, the other side of the first optical fiber connector positioning surface 203 of the first optical fiber connector 2 abuts against the end face 303 of the optical fiber connector coupler 3, which is the end face of the coupler inner hole 304 at the first end opening.

[0039] The second flange 5 has a second flange center through hole. The second flange plug-in section of the second optical fiber connector 4 passes through the second flange center through hole and is mechanically matched so that the side of the second flange 5 close to the optical fiber connector coupler 3 abuts against the second optical fiber connector positioning surface 403. The second flange 5 is screwed into the second threaded hole 307 of the optical fiber connector coupler 3 through the second flange thread 501 to achieve the connection and fixation between the second flange 5 and the optical fiber connector coupler 3. Furthermore, the other side of the second optical fiber connector positioning surface 403 of the second optical fiber connector 4 abuts against the end face 305 of the optical fiber connector coupler 3, which is the end face of the coupler inner hole 304 at the second end opening.

[0040] The first coupler plug-in section 202 and the second coupler plug-in section 402 are inserted face to face into the coupler inner hole 304 of the optical fiber connector coupler 3 and abut against each other. The integral through center hole of the first optical fiber connector 2 is aligned with the integral through center hole of the second optical fiber connector 2 to facilitate smooth insertion of the optical fiber. The outer diameter 201 of the first coupler plug-in section 202 is equal to the diameter of the coupler inner hole 304; the outer diameter 401 of the second coupler plug-in section 402 is equal to the diameter of the coupler inner hole 304.

[0041] In some embodiments, the optical fiber connector coupler 3 further has a first undercut groove 302 and a second undercut groove 306. The first undercut groove 302 is arranged between the first threaded hole 301 and the coupler inner hole 304, and the second undercut groove 306 is arranged between the second threaded hole 307 and the coupler inner hole 304. The first undercut groove 302 and the second undercut groove 306 can be adjusted according to the optical fiber connector positioning surface.

[0042] The diameter and length of the coupler inner hole 304 of the optical fiber connector coupler 3 can be adjusted according to the size of the optical fiber connector and the docking method, and can meet the coupling connection requirements of optical fiber connectors of different specifications.

[0043] The material of the optical fiber connector coupler 3 is metal material, and different types of metal materials can be used for processing according to different mechanical environments.

[0044] The parameters such as thread diameter, thread pitch, thread grade, rotation direction, length, etc. of the first threaded hole 301 and the second threaded hole 307 of the optical fiber connector coupler 3 can be adjusted according to the thread sizes of the first flange 1 and the second flange 5 .

[0045] Although the present invention is disclosed as above in the form of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art may make possible changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope defined by the claims of the present invention.

Claims

1. An optical fiber connector coupling device, characterized in that: The invention comprises a first flange (1), a first optical fiber connector (2), an optical fiber connector coupler (3), a second optical fiber connector (4), and a second flange (5); the first flange (1) and the second flange (5) are respectively mounted at two ends of the optical fiber connector coupler (3), and are spliced ​​and connected by screwing the external threads of the first flange (1) and the second flange (5) with the internal threads of the optical fiber connector coupler (3); the first optical fiber connector (2) is arranged on a side of the first flange (1) close to the optical fiber connector coupler (3), and during the screwing process of the first flange (1), the first optical fiber connector (2) gradually penetrates into the coupler inner hole of the optical fiber connector coupler (3); the second optical fiber connector (3) is arranged on a side of the second flange (5) close to the optical fiber connector coupler (3), and during the screwing process of the second flange (5), the second optical fiber connector (3) gradually penetrates into the coupler inner hole of the optical fiber connector coupler (3); the first optical fiber connector (2) and the second optical fiber connector (4) both have an integrally through center hole for passing the optical fiber.

2. The optical fiber connector coupling device according to claim 1, characterized in that: The optical fiber connector coupler (3) has a first threaded hole (301) on the side facing the first flange (1), and has a second threaded hole (307) on the side facing the second flange (5); the first threaded hole (301) and the second threaded hole (307) are connected through an inner hole (304) of the coupler.

3. The optical fiber connector coupling device according to claim 2, characterized in that: The first optical fiber connector (2) is provided with a first flange plug-in section, a first optical fiber connector positioning surface (203), and a first coupler plug-in section (202) in sequence in the length direction; the first flange (1) has a first flange central through hole; the first flange plug-in section of the first optical fiber connector (2) passes through the first flange central through hole and is mechanically matched, so that a side of the first flange (1) close to the optical fiber connector coupler (3) abuts against the first optical fiber connector positioning surface (203).

4. The optical fiber connector coupling device according to claim 3, characterized in that: The second optical fiber connector (4) is provided with a second flange plug-in section, a second optical fiber connector positioning surface (403), and a second coupler plug-in section (402) in sequence in the length direction; the second flange (5) has a second flange central through hole; the second flange plug-in section of the second optical fiber connector (4) passes through the second flange central through hole and is mechanically matched, so that a side of the second flange (5) close to the optical fiber connector coupler (3) abuts against the second optical fiber connector positioning surface (403).

5. The optical fiber connector coupling device according to claim 3, characterized in that: The first flange (1) is screwed into the first threaded hole (301) of the optical fiber connector coupler (3) through the first flange thread 101, so as to realize the connection and fixation between the first flange (1) and the optical fiber connector coupler (3); furthermore, the other side of the first optical fiber connector positioning surface (203) of the first optical fiber connector (2) abuts against the end surface (303) of the optical fiber connector coupler (3), and the end surface (303) is the end surface of the coupler inner hole (304) at the first end opening.

6. The optical fiber connector coupling device according to claim 4, characterized in that: The second flange (5) is screwed into the second threaded hole (307) of the optical fiber connector coupler (3) through the second flange thread 501, so as to realize the connection and fixation between the second flange (5) and the optical fiber connector coupler (3); furthermore, the other side of the second optical fiber connector positioning surface (403) of the second optical fiber connector (4) abuts against the end face (305) of the optical fiber connector coupler (3), and the end face (305) is the end face of the coupler inner hole (304) at the second end opening.

7. The optical fiber connector coupling device according to claim 4, characterized in that: The first coupler plug-in section (202) and the second coupler plug-in section (402) are inserted face to face into the coupler inner hole (304) of the optical fiber connector coupler (3) and abut against each other; the integral through center hole of the first optical fiber connector (2) is aligned with the integral through center hole of the second optical fiber connector (2) to facilitate smooth insertion of the optical fiber; the outer diameter 201 of the first coupler plug-in section (202) is equal to the diameter of the coupler inner hole (304); the outer diameter 401 of the second coupler plug-in section (402) is equal to the diameter of the coupler inner hole (304).

8. The optical fiber connector coupling device according to claim 2, characterized in that: The optical fiber connector coupler (3) further comprises a first undercut groove (302) and a second undercut groove (306); the first undercut groove (302) is arranged between the first threaded hole (301) and the inner hole (304) of the coupler, and the second undercut groove (306) is arranged between the second threaded hole (307) and the inner hole (304) of the coupler; the first undercut groove (302) and the second undercut groove (306) are adjusted according to the optical fiber connector positioning surface.

9. The optical fiber connector coupling device according to any one of claims 2 to 8, characterized in that: The thread diameter, pitch, thread grade, rotation direction and length parameters of the first threaded hole (301) and the second threaded hole (307) of the optical fiber connector coupler (3) are adjusted according to the flange thread size; The diameter and length of the coupler inner hole (304) of the optical fiber connector coupler (3) are adjusted according to the size of the optical fiber connector and the docking method, so as to meet the coupling connection requirements of optical fiber connectors of various specifications.

10. The optical fiber connector coupling device according to any one of claims 1 to 8, characterized in that: The optical fiber connector coupler (3) is made of metal material, and is processed using corresponding types of metal materials according to various mechanical environments.

Images