Optical fiber adapter
By designing an optoelectronic connector, the problem of complex wiring caused by the need for separate transmission of electrical and optical signals in electronic devices was solved, enabling simultaneous transmission of electrical and optical signals, which is suitable for automotive environments.
Patent Information
- Application Number
- CN202511053515.2
- 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 electronic devices require separate connectors for electrical and optical signals, resulting in complex wiring and inconvenience.
Design an optoelectronic connector comprising an inner frame, a core assembly, two conductive terminals, an elastomer, a housing, a base, and a sleeve, capable of simultaneously transmitting electrical and optical signals.
It enables simultaneous transmission of electrical and optical signals, simplifies the wiring of electronic devices, is suitable for complex vehicle environments, and has waterproof, shockproof, corrosion-resistant, and high-temperature and high-humidity performance.
Smart Images

Figure CN121454700A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to a connector, and more particularly to a connector capable of simultaneously transmitting optical and electrical signals. Background Technology
[0002] Electronic devices are widely used in various fields. Generally, electronic devices are connected to a power source through connectors to obtain the power required for operation. However, as the functions of electronic devices become more diversified, they may also need to transmit other types of signals, such as optical signals. In this case, the electronic device must use a separate connector to transmit different signals, which makes the physical wiring of electronic devices increasingly complex and causes inconvenience in use, and therefore needs to be improved. Summary of the Invention
[0003] In view of this, this application provides an optoelectronic connector, comprising an inner frame, a core tube assembly, two conductive terminals, an elastomer, a housing, a base, and a sleeve. The core tube assembly is elastically displaceable within the inner frame along a first direction. Each conductive terminal is inserted into the inner frame. One end of the elastomer abuts against the inner frame. The housing has a wall surface, a groove, a first port and a second port located at both ends of the wall surface. The housing is rotatably fitted onto the inner frame through the first port and abuts against the other end of the elastomer. The groove penetrates the wall surface. The base passes through the second port of the housing and is fixed to the inner frame. The sleeve is fitted onto the base.
[0004] Preferably, the aforementioned housing groove includes a first end, an extension and a second end connected in sequence, the first end is connected to a first port, the second end is at a different position from the first end in a first direction, and the first end and the second end are located at different circumferential positions on the housing.
[0005] Preferably, the extension of the groove of the aforementioned outer casing includes a first segment, a second segment, and a third segment connected in sequence, the first segment connecting to the first end, the third segment connecting to the second end, and the first segment and the third segment extending along a first direction.
[0006] Preferably, the wall of the aforementioned housing has opposing inner and outer sides, the inner frame is located within the range of the inner side, the inner side of the housing has a flange, and the base further includes two abutments, the flange of the housing abutting against each abutment.
[0007] Preferably, the aforementioned inner frame further includes a ring edge located on the outer surface of the inner frame, and the two ends of the elastomer abut against the ring edge and each abutment block, respectively.
[0008] Preferably, the aforementioned inner frame further includes two opposing slots, with each abutment of the base respectively accommodated within the slot.
[0009] Preferably, the aforementioned base further includes two protrusions, each protrusion having an arc surface, the arc surfaces of the protrusions facing each other, the core tube assembly including a core tube and an elastic element, one end of the core tube being located inside the inner frame, the other end of the core tube being located between the two arc surfaces, and the two ends of the elastic element abutting against each protrusion and the core tube respectively.
[0010] Preferably, each protrusion of the aforementioned base further includes a locking block, with the locking block and the arc surface located on opposite sides of the protrusion, and the inner frame further includes two locking holes, with each locking block of the base engaging with each locking hole of the inner frame.
[0011] Preferably, each of the aforementioned latching blocks has an inclined surface, the inclined surface having a first side and a second side opposite to each other, the first side and the second side being in different positions in the first direction, and in the second direction perpendicular to the first direction, the first side is closer to the core tube assembly than the second side.
[0012] Preferably, the aforementioned core tube includes a pin, a stop block, and a connector. The pin and the connector are respectively disposed on opposite sides of the stop block. The inner frame further includes a socket that penetrates the inner frame and has an annular edge. The stop block abuts against the annular edge. The pin is located on the side of the annular edge away from the base. The connector is located on the side of the annular edge close to the base. The elastic element abuts against the stop block and each protrusion.
[0013] Preferably, the optoelectronic connector further includes a ring fitted onto the outer surface of the inner frame.
[0014] Preferably, the aforementioned inner frame further includes a guide groove, which is recessed from the outer surface of the inner frame. The guide groove has a rectangular cross-section and extends along a first direction.
[0015] Due to the adoption of the above technical solution, the present invention has the following beneficial effects: An optoelectronic connector that can simultaneously provide power and transmit optical signals is provided. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the combined state of an embodiment of the optoelectronic connector of this application connected to an optoelectronic adapter.
[0017] Figure 2 This is an exploded view of one embodiment of the optoelectronic connector of this application and the applicable optoelectronic adapter.
[0018] Figure 3 An exploded view of the three-dimensional structure of one embodiment of the optoelectronic connector of this application. Figure 1 .
[0019] Figure 4 An exploded view of the three-dimensional structure of one embodiment of the optoelectronic connector of this application. Figure 2 .
[0020] Figure 5This is a schematic diagram of the base of one embodiment of the optoelectronic connector of this application.
[0021] Figure 6 According to Figure 1 A cross-sectional view drawn with section line 6-6 in the middle.
[0022] Figure 7 According to Figure 1 A cross-sectional view drawn using section line 7-7.
[0023] Figure 8 This is a cross-sectional view showing the optoelectronic connector separated from the optoelectronic adapter.
[0024] Figure 9 This is a cross-sectional view of an optoelectronic connector assembled on an optoelectronic adapter.
[0025] Figure 10 Schematic diagram of the process of assembling the optoelectronic connector to the optoelectronic adapter Figure 1 .
[0026] Figure 11 Schematic diagram of the process of assembling the optoelectronic connector to the optoelectronic adapter Figure 2 .
[0027] Figure 12 Schematic diagram of the process of assembling the optoelectronic connector to the optoelectronic adapter Figure 3 .
[0028] Symbol Explanation Optical adapter A, connector A1, positioning part A11, sleeve A2, conductive port A3, guide part A4, vehicle lens B, optical connector C, inner frame 10, channel 11, first part 111, second part 112, third part 113, first partition wall 12, first through hole 121, second partition wall 13, second through hole 131, perforation 14, ring edge 15, locking hole 16, slot 17, guide groove 18, core tube assembly 20, core tube 21, pin 211, stop 212, connector 213, elastic element 22, conductive terminal 30, elastomer 40, outer shell 50, wall surface 51, inner side 511, outer side; 512, groove; 52, first end; 521, extension; 522, first section; 5221, second section; 5222, third section; 5223, second end; 523, first port; 53, second port; 54, base; 60, connecting section; 61, intermediate surface; 62, protrusion; 63, plane; 631, first arc surface; 632, second arc surface; 633, end face; 634, locking block; 635, inclined surface; 6351, first side; 6352, second side; 6353, abutment; 64, first section; 641, second section; 642, sleeve; 70, ring; 80, kit; 90, first direction D1, second direction D2. Detailed Implementation
[0029] 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 is used for the insertion of 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.
[0030] Please see Figure 2 and Figure 3 , Figure 2 This is an exploded view of the fiber optic adapter 100. Figure 3 This 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.
[0031] 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.
[0032] 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.
[0033] Please see Figures 2 to 4In 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.
[0034] 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 3 As 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.
[0035] 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.
[0036] 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.
[0037] Please see Figure 3 and Figure 4In 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.
[0038] 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 7 This 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).
[0039] 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.
[0040] Please see Figure 3 , Figures 5 to 7In 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.
[0041] Please see Figure 3 , Figures 5 to 7 In 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.
[0042] 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.
[0043] 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 10This 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.
[0044] 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.
[0045] 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 optoelectronic connector, characterized in that: One inner frame; A single-core tube assembly is elastically displaced within the inner frame along a first direction; Two conductive terminals are inserted into the inner frame; An elastic body, one end of which abuts against the inner frame; An outer shell has a wall, a slot, a first port and a second port located at both ends of the wall, the outer shell being rotatably fitted onto the inner frame through the first port and abutting against the other end of the elastomer, the slot penetrating the wall; A base, passing through the second port of the outer casing and fixed to the inner frame; and A tube is fitted onto the base.
2. The optoelectronic connector according to claim 1, characterized in that: The outer casing has a groove comprising a first end, an extension and a second end connected in sequence. The first end is connected to the first port. The second end is located at a different position from the first end in the first direction, and the first end and the second end are located at different circumferential positions on the outer casing.
3. The optoelectronic connector according to claim 2, characterized in that: The extension of the groove of the outer casing includes a first segment, a second segment, and a third segment connected in sequence, the first segment connecting to the first end, the third segment connecting to the second end, and the first segment and the third segment extending along the first direction.
4. The optoelectronic connector according to claim 1, characterized in that: The wall surface of the housing has an inner side and an outer side facing each other, the inner side facing the inner frame and having a flange, and the base further includes two abutments, the flange of the housing abutting against the two abutments.
5. The optoelectronic connector according to claim 4, characterized in that: The inner frame further includes a ring edge located on the outer surface of the inner frame, and the two ends of the elastomer abut against the ring edge and each of the abutment blocks, respectively.
6. The optoelectronic connector according to claim 5, characterized in that: The inner frame further includes two opposing slots, and each of the abutments of the base is respectively accommodated in the two slots.
7. The optoelectronic connector according to claim 1, characterized in that: The base further includes two protrusions, each of which has a first arc surface. The first arc surfaces of the two protrusions face each other. The core tube assembly includes a core tube and an elastic element. One end of the core tube is located inside the inner frame, and the other end of the core tube is located between the two first arc surfaces. The two ends of the elastic element abut against the two protrusions and the core tube, respectively.
8. The optoelectronic connector according to claim 7, characterized in that: Each of the protrusions of the base further includes a locking block, the locking block and the arc surface are respectively located on the opposite side of the protrusion, and the inner frame further includes two locking holes, each of the locking blocks of the base is engaged with each of the locking holes of the inner frame.
9. The optoelectronic connector according to claim 8, characterized in that: Each of the latching blocks has an inclined surface, the inclined surface having a first side and a second side opposite to each other, the first side and the second side being in different positions in the first direction, and in a second direction perpendicular to the first direction, the first side being closer to the core tube assembly than the second side.
10. The optoelectronic connector according to claim 7, characterized in that: The core tube includes a pin, a stop block, and a connector. The pin and the connector are respectively disposed on opposite sides of the stop block. The inner frame further includes a socket that penetrates the inner frame and has an annular edge. The stop block abuts against the annular edge. The pin is located on the side of the annular edge away from the base. The connector is located on the side of the annular edge close to the base. The elastic element abuts against the stop block and each of the protrusions.
11. The optoelectronic connector according to claim 1, characterized in that: It also includes a ring that is fitted onto the outer surface of the inner frame.
12. The optoelectronic connector according to claim 1, characterized in that: The inner frame further includes a guide groove recessed from the outer surface of the inner frame. The guide groove has a rectangular cross-section and extends along the first direction.