Optical fiber adapter
By incorporating a conductive module within the housing of the fiber optic adapter, the problem that fiber optic connection devices can only transmit optical signals is solved. This enables the fiber optic adapter to transmit both optical signals and power, making it suitable for complex vehicle environments.
Patent Information
- Application Number
- CN202511053526.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Priority Date
- 2024-08-01
- Filing Date
- 2025-07-30
- Publication Date
- 2026-02-03
AI Technical Summary
Existing fiber optic connection devices can only transmit optical signals and lack power transmission capabilities.
A conductive module, including conductive terminals and terminal blocks, is installed inside the housing of the fiber optic adapter to provide fiber optic signal and power transmission functions.
This invention enables fiber optic adapters to transmit both optical signals and electrical power, meeting the requirements for waterproofing, vibration resistance, and corrosion resistance in complex vehicle environments.
Smart Images

Figure CN121454701A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to an adapter, and more particularly to an optical fiber adapter. Background Technology
[0002] Optical fiber is used for light transmission. A typical optical fiber connection device consists of a female adapter with male optical fiber adapters plugged into both ends for connection, achieving both securing and data transmission. A typical Lucent Connector (LC) Type optical adapter is an optical transmission connector that allows LC Type optical transmission lines to be connected to transmit optical signals, but it does not provide other functions. Summary of the Invention
[0003] In view of this, some embodiments of this invention provide an optical fiber adapter including a base body, a base assembly, and a conductive module. The base body has a first mating side and a second mating side defined at its two ends. The base body is defined by four side walls forming a first receiving groove and a second receiving groove that communicate with each other. The first mating side of the base body has a first socket communicating with the first receiving groove, and the second mating side of the base body has a second socket communicating with the second receiving groove. The four side walls of the base body respectively include a first side wall, a second side wall, a sealing wall, and a combined base wall. Opposite first side walls and second side walls are respectively connected to the two sides of opposite combined base walls and sealing walls. The base assembly is disposed between the first receiving groove and the second receiving groove. The conductive module includes multiple conductive terminals, one end of each conductive terminal located in the first receiving groove, and the other end of each conductive terminal located in the second receiving groove.
[0004] In one embodiment, the conductive module includes a terminal block for attaching each conductive terminal. The terminal block includes a base, a first tongue extending outward from one side of the base, and a second tongue extending outward from the other side of the base. The first tongue is located in a first receiving groove, the second tongue is located in a second receiving groove, and the terminal block abuts against the base assembly.
[0005] In one embodiment, each conductive terminal has a first mating portion disposed on both sides of the first tongue at one end, and a second mating portion disposed on both sides of the second tongue at the other end, with each first mating portion and each second mating portion located on the same axis.
[0006] Preferably, the terminal block has a fitting block located on one side of the base, and the terminal block has fixing portions located on both sides of the base.
[0007] Preferably, the base has multiple fixing parts and multiple second guide rails. Each fixing part is located inside the first side wall and the second side wall, and each second guide rail is located inside the first side wall and the second side wall and is on the same axis as each fixing part. Each fixing part is inserted into and fastened to each fixing part by each second guide rail.
[0008] Preferably, the base assembly includes a body and a first sleeve located on one side of the body. The base assembly includes a sleeve, one end of which is adapted to be inserted into the first sleeve.
[0009] Preferably, the seat includes a partition and a second sleeve. The partition is located between the first receiving groove and the second receiving groove. The second sleeve extends from the partition toward the second insertion port. The other end of the sleeve is adapted to be inserted into the second sleeve. The seat includes a through hole located in the partition.
[0010] Preferably, the base has multiple inner protrusions, each inner protrusion being located inside the first side wall and the second side wall respectively, and the body of the base assembly is adapted to be inserted into the first receiving groove through the first insertion port of the base, with each inner protrusion abutting against the two sides of the body.
[0011] Preferably, the base has multiple latching parts, each latching part is located inside the first side wall and the second side wall and adjacent to each inner protrusion, and the base assembly includes latching parts located on both sides of the body.
[0012] Preferably, the base has a plurality of first guide rails, each first guide rail being located on the inner side of the first side wall and the second side wall and on the same axis as each latching part, and each latching part being inserted into each first guide rail and fastened to each latching part.
[0013] Due to the adoption of the above technical solution, the present invention has the following beneficial effects: The fiber optic adapter housing contains a conductive module, providing the function of transmitting both fiber optic signals and power. Attached Figure Description
[0014] Figure 1 The diagram illustrates the appearance of a fiber optic adapter according to one embodiment.
[0015] Figure 2 An exploded view of a fiber optic adapter is shown according to one embodiment.
[0016] Figure 3 The diagram illustrates an exploded view of a fiber optic adapter before assembly, according to one embodiment.
[0017] Figure 4 The diagram illustrates the appearance of an assembled fiber optic adapter according to one embodiment.
[0018] Figure 5 The illustration shows a schematic diagram of the front of a fiber optic adapter according to one embodiment.
[0019] Figure 6 The illustration shows a schematic diagram of the back of a fiber optic adapter according to one embodiment.
[0020] Figure 7 The illustration shows a side view of a fiber optic adapter according to one embodiment.
[0021] Figure 8 The illustration shows the appearance of a fiber optic adapter before it is connected to a plurality of optoelectronic connectors, according to one embodiment.
[0022] Figure 9 The illustration shows a side cross-sectional view of a fiber optic adapter before it is connected to a plurality of optoelectronic connectors, according to one embodiment.
[0023] Figure 10 The illustration shows a side cross-sectional view of a fiber optic adapter after it has been connected to a plurality of optoelectronic connectors, according to one embodiment.
[0024] Symbol Explanation Fiber optic adapter 100, first optoelectronic connector 200, second optoelectronic connector 300, base 1, first side wall 1a, second side wall 1b, sealing wall 1c, combined base wall 1d, first receiving groove 10a, second receiving groove 10b, first mating side 11, first socket 111, second mating side 12, second socket 121, partition 14, through hole 141, second sleeve 15, fixing part 16, inner protrusion 17, locking part 18, first guide rail 191, second guide rail 192 1. Base assembly 2, body 21, snap-fit part 218, first sleeve 25, sleeve 26, conductive module 3, terminal block 31, base 311, fitting block 3111, fixing part 3116, first tongue 3121, second tongue 3122, conductive terminal 32, first mating part 321, second mating part 322, coupling member 5, spring arm 51, core tube assembly 6, pin 61, spring 62, tail sleeve 7, power connection module 8, power connection terminal 82, first axis X, second axis Y, third axis Z. Detailed Implementation
[0025] Please see Figure 1 , Figure 1 This is a schematic diagram of the appearance of the fiber optic adapter 100, which is suitable for use in vehicles and provides a connection point for optoelectronic connectors (such as...). Figure 10 As shown, the fiber optic adapter 100 provides fiber optic signal and power transmission. The fiber optic adapter 100 is installed inside the vehicle, for example, between the seat and the vehicle body. When the seat needs to be replaced, the optoelectronic connector can be easily disconnected from the fiber optic adapter 100 without cutting the transmission cable connected to the optoelectronic connector.
[0026] Please see Figure 2 and Figure 3 , Figure 2 This is an exploded view of the fiber optic adapter 100. Figure 3This is an exploded view of the fiber optic adapter 100 before assembly. The base 1 is a hollow, elongated rectangular structure. The two ends of the base 1 are defined with a first mating side 11 and a second mating side 12, respectively. The base 1 is defined by four side walls with a first receiving groove 10a and a second receiving groove 10b that are interconnected. The first mating side 11 of the base 1 has a first socket 111 that is connected to the first receiving groove 10a, and the second mating side 12 of the base 1 has a second socket 121 that is connected to the second receiving groove 10b. The first socket 111 and the second socket 121 of the base 1 are respectively used for two optoelectronic connectors to be plugged in, so that the fiber optic adapter 100 is a type of double-sided plug-in two optoelectronic connectors.
[0027] Please see Figures 2 to 4 , Figure 4 This is a schematic diagram of the assembled appearance of the fiber optic adapter 100. The four side walls of the base 1 include a first side wall 1a, a second side wall 1b, a sealing wall 1c, and a combined base wall 1d. The first side wall 1a and the second side wall 1b are arranged along the second axis Y direction, and the sealing wall 1c and the combined base wall 1d are arranged along the first axis X direction. The opposing first side wall 1a and the second side wall 1b are respectively connected to the two sides of the opposing combined base wall 1d and the sealing wall 1c.
[0028] Please see Figures 2 to 4 In some embodiments, the base 1 has a plurality of fixing portions 16, each fixing portion 16 being located inside the first side wall 1a and the second side wall 1b respectively. The fixing portion 16 is a snap hole, but is not limited thereto. In some embodiments, the fixing portion 16 is a protrusion.
[0029] Please see Figures 2 to 4 In some embodiments, the base 1 has multiple latching portions 18, which are not limited to snap holes. In some embodiments, the latching portions 18 are protrusions. Each latching portion 18 is located inside the first side wall 1a and the second side wall 1b. The base assembly 2 includes latching portions 218 located on both sides of the body 21, which are not limited to protrusions. In some embodiments, the latching portions 218 are snap holes. When the base assembly 2 is installed with the first receiving groove 10a, each latching portion 218 is engaged with the latching portion 18.
[0030] Please see Figures 2 to 4 In some embodiments, the base 1 has a plurality of first guide rails 191, each first guide rail 191 being located inside the first side wall 1a and the second side wall 1b and coaxial with each locking part 18, the coaxial being as follows: Figure 3As shown along the direction of the third axis Z, when each locking part 18 is inserted into each of the first guide rails 191, each locking part 18 is aligned and fastened to each locking part 218 along each of the first guide rails 191. The portion of the first guide rail 191 near the locking part 218 has a slope to facilitate guiding each locking part 218 to fasten to each locking part 18.
[0031] Please see Figures 2 to 4 In some embodiments, the terminal block 31 has a fixing portion 3116 located on both sides of the base 311. The fixing portion 3116 is a protrusion, but is not limited thereto. In some embodiments, the fixing portion 3116 may be a snap hole.
[0032] Please see Figures 2 to 4 In some embodiments, the base 1 has a plurality of second guide rails 192, each second guide rail 192 being located inside the first side wall 1a and the second side wall 1b and coaxial with each fixed part 16, the coaxial being as follows: Figure 3 As shown along the direction of the third axis Z, when each fixing part 3116 is inserted by each second guide rail 192, each fixing part 3116 is aligned along each second guide rail 192 and fastened to each fixing part 16. The portion of the second guide rail 192 near the fixing part 16 has a slope to facilitate guiding each fixing part 3116 to fasten to each fixing part 16.
[0033] Please see Figure 3 and Figure 4 In some embodiments, the base 1 has multiple inner protrusions 17, each of which is an elongated slider arranged along the third axis Z direction. Each inner protrusion 17 is located inside the first side wall 1a and the second side wall 1b, and the inner protrusions 17 are opposite to each other. When the base assembly 2 is installed in the first receiving groove 10a, the body 21 of the base assembly 2 is adapted to be aligned and inserted into the first receiving groove 10a through the first insertion port 111 of the base 1. Then, each inner protrusion 17 abuts against the two sides of the body 21, so that the base assembly 2 is stably positioned in the first receiving groove 10a.
[0034] Please see Figure 2 , Figures 5 to 7 , Figure 5 This is a schematic diagram of the front appearance of the fiber optic adapter 100. Figure 6 A schematic diagram of the back of the fiber optic adapter 100. Figure 7This is a side view of the fiber optic adapter 100. The base assembly 2 is disposed between the first receiving groove 10a and the second receiving groove 10b. The base assembly 2 includes a body 21, a first sleeve 25 located on one side of the body 21, and a sleeve 26, one end of which is adapted to be inserted into the first sleeve 25. In some embodiments, the sleeve 26 is made of ceramic material, each sleeve 26 is an elongated round tube, and a longitudinally extending discontinuous groove is formed on the sleeve 26. The cross-section of each sleeve 26 is a C-shaped ring structure. When the base assembly 2 is installed in the base body 1, the base assembly 2 is inserted into the first receiving groove 10a through the first insertion port 111, so that the base assembly 2 is located in the first receiving groove 10a and in a slightly central position within the base body, and the base assembly 2 is disposed between the first receiving groove 10a and the second receiving groove 10b. When the optoelectronic connector is plugged into the fiber optic adapter 100, the connector pin 61 is inserted into the sleeve 26 of the C-ring structure, and the slot structure provides the sleeve 26 with the function of being able to be opened (e.g. Figure 10 (As shown).
[0035] Please see Figure 2 , Figures 5 to 7 The conductive module 3 includes multiple conductive terminals 32. Each conductive terminal 32 has a first mating portion 321 disposed on both sides of the first tongue 3121 at one end, and a second mating portion 322 disposed on both sides of the second tongue 3122 at the other end. Each first mating portion 321 and each second mating portion 322 are located on the same axis, as shown below. Figure 3 As shown along the direction of the third axis Z. When the conductive module 3 is installed in the housing 1, the first tongue 3121 is located in the first receiving groove 10a, the second tongue 3122 is located in the second receiving groove 10b, one end of each conductive terminal 32 is located in the first receiving groove 10a, and the other end of each conductive terminal is located in the second receiving groove 10b.
[0036] Please see Figure 3 , Figures 5 to 7 In some embodiments, the base assembly 2 includes a partition 14 and a second sleeve 15 in the base body 1. The partition 14 is a vertical wall and is arranged in the base body 1 along the second axis Y direction. The base body 1 is integrally formed with the partition 14 and the second sleeve 15 during processing. The partition 14 separates the first receiving groove 10a and the second receiving groove 10b. The second sleeve 15 is located in the second receiving groove 10b and extends from the partition 14 toward the second insertion port 121.
[0037] Please see Figure 3 , Figures 5 to 7In some embodiments, the base 1 includes a through hole 141 located in the partition 14, and the terminal block 31 has a fitting block 3111 located on one side of the base 311. The fitting block 3111 is a long rectangular block smaller than the base 311, and a second tongue 3122 extends outward from the side of the fitting block 3111. When the terminal block 31 is installed into the first receiving groove 10a through the first socket 111, the second tongue 3122 passes through the through hole 141, the fitting block 3111 is engaged in the through hole 141, and the terminal block 31 abuts against the bottom of the base assembly 2.
[0038] Please see Figure 3 , Figures 5 to 7 In some embodiments, the conductive module 3 includes a terminal base 31, which is combined with each conductive terminal 32. The combination method is that the conductive terminals 32 are combined in the mold during injection molding of the terminal base 31. The terminal base 31 includes a base 311, a first tongue 3121 extending outward from one side of the base 311, and a second tongue 3122 extending outward from the other side of the base 311. The base 311 is a long rectangular block, with its long side arranged along the first axis X direction and its short side arranged along the second axis Y direction. The first tongue 3121 faces the first socket 111 and is arranged along the third axis Z direction. The second tongue 3122 faces the second socket 121 and is arranged along the third axis Z direction. The first tongue 3121, the second tongue 3122 and the base 311 generally form a cross when viewed from the second axis Y direction. The first tongue 3121, the second tongue 3122 and the base 311 generally form a cross when viewed from the first axis X direction.
[0039] Please see Figure 3 , Figures 8 to 10 , Figure 8 This is a schematic diagram of the appearance of the fiber optic adapter 100 before it is connected to multiple optoelectronic connectors. Figure 9 This is a side cross-sectional view of the fiber optic adapter 100 before it is connected to multiple optoelectronic connectors. Figure 10 This is a side cross-sectional view of the fiber optic adapter 100 after being connected to multiple optoelectronic connectors. The first socket 111 and the second socket 121 of the base 1 of the fiber optic adapter 100 are respectively used for the first optoelectronic connector 200 and the second optoelectronic connector 300 to connect. The first optoelectronic connector 200 and the second optoelectronic connector 300 have the same structure. Both include a coupling element 5 and a spring arm 51 located on the coupling element 5. The coupling element 5 contains a core tube assembly 6, which includes a pin 61 and a spring 62 for engaging the pin 61. One end of the coupling element 5 exposes the pin 61 of the core tube assembly 6, and the other end of the coupling element 5 is fitted with a tail sleeve 7, which can be fitted with a transmission cable. Both the first optoelectronic connector 200 and the second optoelectronic connector 300 include a power connection module 8 located at the bottom of the coupling element 5, and the power connection module 8 has multiple power connection terminals 82.
[0040] Please see Figure 3 , Figures 8 to 10 When the first optoelectronic connector 200 and the second optoelectronic connector 300 are respectively plugged into the first socket 111 and the second socket 121, the power receiving module 8 of the first optoelectronic connector 200 and the power receiving module 8 of the second optoelectronic connector 300 respectively contact the multiple power receiving terminals 82 on both sides of the conductive module 3 of the fiber optic adapter 100, providing the function of power transmission. Furthermore, the pins 61 of the core tube assemblies 6 of the first optoelectronic connector 200 and the second optoelectronic connector 300 connect to the base assembly 2, providing the function of fiber optic signal transmission. Employing a combined optoelectronic transmission function, the optoelectronic connector and the fiber optic adapter 100 can ensure signal stability after connection, meeting the requirements of complex automotive environments and satisfying tests for waterproofing, vibration, corrosion resistance, and high temperature and humidity.
[0041] In summary, according to some embodiments, a conductive module is provided in the housing of the fiber optic adapter to provide the function of transmitting both fiber optic signals and power.
Claims
1. An optical fiber adapter, characterized in that: A body, wherein a first docking side and a second docking side are defined at two ends of the body respectively, and the body is defined by four side walls with a first receiving groove and a second receiving groove that are connected to each other. The first docking side of the body has a first insertion port connected to the first receiving groove, and the second docking side of the body has a second insertion port connected to the second receiving groove. The four side walls of the body respectively include a first side wall, a second side wall, a sealing wall and a combined base wall, and the opposite first side wall and second side wall are respectively connected to the opposite sides of the combined base wall and the sealing wall. A base assembly is disposed between the first receiving groove and the second receiving groove; and A conductive module includes multiple conductive terminals, one end of each conductive terminal being located in a first receiving groove, and the other end of each conductive terminal being located in a second receiving groove.
2. The fiber optic adapter according to claim 1, characterized in that: The conductive module includes a terminal holder that connects to each of the conductive terminals. The terminal holder includes a base, a first tongue extending outward from one side of the base, and a second tongue extending outward from the other side of the base. The first tongue is located in the first receiving groove, the second tongue is located in the second receiving groove, and the terminal holder abuts against the base assembly.
3. The fiber optic adapter according to claim 2, characterized in that: Each of the conductive terminals has a first mating portion disposed on one of the two sides of the first tongue at one end, and a second mating portion disposed on one of the two sides of the second tongue at the other end, with each first mating portion and each second mating portion located on the same axis.
4. The fiber optic adapter according to claim 2, characterized in that: The terminal block has one fitting block located on one side of the base, and the terminal block has a fixing part located on both sides of the base.
5. The fiber optic adapter according to claim 4, characterized in that: The base has multiple fixing parts and multiple second guide rails. Each fixing part is located inside the first side wall and the second side wall, and each second guide rail is located inside the first side wall and the second side wall and is on the same axis as each fixing part. Each fixing part is inserted into and fastened to each fixing part by each second guide rail.
6. The fiber optic adapter according to claim 1, characterized in that: The base assembly includes a body and a first sleeve located on one side of the body. The base assembly includes a tube, one end of which is adapted to be inserted into the first sleeve.
7. The fiber optic adapter according to claim 6, characterized in that: The seat includes a partition and a second sleeve. The partition is located between the first receiving groove and the second receiving groove. The second sleeve extends from the partition toward the second insertion port. The other end of the sleeve is adapted to be inserted into the second sleeve. The seat includes a through hole located in the partition.
8. The fiber optic adapter according to claim 6, characterized in that: The base has multiple inner protrusions, each of which is located inside the first side wall and the second side wall respectively. The body of the base assembly is adapted to be inserted into the first receiving groove through the first insertion port of the base, and each of the inner protrusions abuts against the two sides of the body.
9. The fiber optic adapter according to claim 8, characterized in that: The base has multiple latching parts, each latching part being located inside the first side wall and the second side wall and adjacent to each of the inner protrusions. The base assembly includes a latching part located on one of the two sides of the body.
10. The fiber optic adapter according to claim 9, characterized in that: The seat has a plurality of first guide rails, each of which is located on the inner side of the first side wall and the second side wall and is on the same axis as each of the latching parts. Each of the latching parts is inserted into each of the first guide rails and fastened to each of the latching parts.