CN211629390U - High-reliability photoelectric mixed connector - Google Patents
High-reliability photoelectric mixed connector Download PDFInfo
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- CN211629390U CN211629390U CN202020590633.3U CN202020590633U CN211629390U CN 211629390 U CN211629390 U CN 211629390U CN 202020590633 U CN202020590633 U CN 202020590633U CN 211629390 U CN211629390 U CN 211629390U
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Abstract
The utility model discloses a high reliable photoelectricity loads in mixture connector has solved the resistant sealing performance of connector structure among the prior art not good, has influenced the signal transmission and the life's of connector problem. The connector comprises a shell, a wire sealing body, a fixed clamping ring, an insulator, a plurality of optical fiber contact elements, a clamping jaw, a plurality of electric contact elements, a sealing ring and a sealing body. The utility model discloses high reliable photoelectricity loads in mixture connector can load in mixture the supporting use of connector with the photoelectricity of the same interface, improves the coupling efficiency of signal, the influence that brings such as reduction vibration, dust that can be very big simultaneously to easy to clean maintains. The environment resistance and the mechanical life of the photoelectric mixed connector can be effectively improved.
Description
Technical Field
The utility model belongs to the technical field of the electric connector, a high reliable photoelectricity loads in mixture connector is provided very much. The method is applied to the fields of photoelectric communication test equipment, aviation, outdoor photoelectric signal transmission systems and the like.
Background
With the development of communication technology, more and more devices need highly reliable and highly integrated optical and electrical integrated interconnection systems, and an optical-electrical hybrid connector is an indispensable key component. The traditional optical fiber transmission mode adopts the mode of butt joint of an optical fiber contact body end face-end face contact to realize optical path coupling so as to achieve the purpose of optical path transmission. In long-term use, the exposed optical fiber end face is easy to pollute, the optical fiber end face is damaged and the like, and the transmission of optical signals is greatly influenced. In addition, the existing optical fiber contact part structure also has the problem of difficult disassembly and assembly, and is very difficult to operate in the process of later cleaning and maintenance. The whole connector structure has poor sealing resistance, and the signal transmission and the service life of the connector are influenced.
For example, patent publication No. CN1063383382B discloses an optical fiber contact and a connector using the same, wherein the contact belongs to a physical contact type contact, and the contact must ensure the close contact of the end faces of the contact during use to achieve effective signal transmission. Meanwhile, the above patent solves the problem of relative movement between the optical cable and the contact member without changing the contact state and the transmission mode. In practical use, especially in high vibration impact environments, the end faces of the contact pieces are worn, and the product is failed.
For example, patent No. ZL201420467505.4 discloses an optical fiber contact body with an anti-rotation function, and patent No. ZL201420262002.3 discloses a special optical fiber contact body for dense installation, wherein both contact bodies are contact optical fiber contact bodies, and close contact is required to realize signal transmission.
In addition, application number 201910191846.0 discloses a high reliable beam expanding type optical fiber connector, and this optical fiber connector includes casing (1), mounting panel subassembly (2), expanded beam contact spare (3), sealed pad (4), fixed snap ring (5), and what this technical scheme adopted is fixed bonding mode, can not dismantle after contact member sleeve pipe and lock pin are fixed. And because the added positioning key is not suitable for using an insulating material for making a module, photoelectric (contact body) signal integration cannot be realized.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a high reliable photoelectricity loads in mixture connector, this high reliable photoelectricity loads in mixture connector can load in mixture the supporting use of connector with the photoelectricity of the same interface, improves the coupling efficiency of signal, the influence that brings such as reduction vibration, dust that can be very big simultaneously to easy to clean maintains. The environment resistance and the mechanical life of the photoelectric mixed connector can be effectively improved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a high-reliability photoelectric mixed connector comprises a shell, a sealing body, a fixing snap ring, an insulator, a plurality of optical fiber contacts, a clamping jaw, a plurality of electric contacts, a sealing ring and a sealing body, wherein the sealing body is fixedly bonded at the front end of the insulator, the sealing body is fixedly bonded at the rear end of the insulator to jointly form an insulator assembly, the insulator assembly is fixedly mounted in an inner cavity of the shell through the fixing snap ring, the sealing ring is mounted between the outer periphery of the sealing body and the inner periphery of the shell, the optical fiber contacts and the electric contacts are respectively axially mounted in a hole cavity of the insulator through the clamping jaw, the front ends of the optical fiber contacts and the electric contacts penetrate out of the sealing body, and the tail ends of the optical fiber contacts and the electric contacts are.
Further, the optical fiber contact element comprises a lens, a closed sleeve, a ceramic ferrule, a front shell, a rear shell and a crimping ring; the lens is axially fixed at one end inside the closed sleeve through bonding agent bonding, the closed sleeve is installed in the tail end of the front shell in a gluing or interference fit mode, one end of the ceramic ferrule is installed inside the tail end of the rear shell in an interference fit mode, the other end of the ceramic ferrule is axially arranged in the closed sleeve, the tail end of the rear shell is arranged inside the front end of the front shell, the front shell and the rear shell are fixedly connected through threads, a compression ring is arranged on the periphery of the front end of the rear shell, and a protection layer of the wire is arranged between the compression ring and the rear shell and is fixed in a compression joint mode, so that the tensile property of the wire is improved.
Further, the lens is a lenticular lens.
Furthermore, the contact surfaces of the insulator, the wire sealing body and the sealing body are both of a planar structure.
Furthermore, the insulator, the wire sealing body and the sealing body are all made of insulating materials.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model adopts the sealing line body, the sealing body and the sealing ring to realize good sealing effect, and improve the rain-proof, dust-proof and moisture-proof effects of the product;
(2) the clamping jaws can realize self-adjusting function and can well ensure the effective contact of optical and electric contacts;
(3) the optical fiber contact piece can perform beam expanding collimation and convergence on the light beam, so that the diameter of a light spot can be increased, and the environment resistance and the mechanical life of the optical fiber contact piece are effectively improved. And the front shell and the rear shell of the contact element are fixedly connected in a threaded connection mode, so that the process operation difficulty is greatly simplified, and the maintainability of the product is improved.
(4) The utility model discloses a high reliable photoelectricity loads in mixture connector can be mixed with the photoelectricity of the same interface and loads in mixture the supporting use of connector, can realize the transmission of multichannel light, signal of telecommunication. The connector eliminates the abrasion of the optical fiber contact body caused by physical contact, can effectively avoid the damage of the optical fiber, ensures the excellent transmission of optical signals and can integrally prolong the service life of the connector.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of an optical fiber contact element according to the present invention;
FIG. 3 is a schematic structural view of an external appearance of an optical fiber contact member;
fig. 4 is a schematic view of the overall appearance structure of the present invention;
in the figure: 1-a shell; 2-sealing the wire body; 3-fixing the snap ring; 4-an insulator; 5-an electrical contact; 6-clamping jaws; 7-an optical fiber contact; 7-1-lens; 7-2-closed sleeve; 7-3-ceramic ferrule; 7-4-front case; 7-4-1-a hollow cylindrical body; 7-4-2-a first annular boss; 7-4-3-a second annular boss; 7-5-rear housing; 7-5-1-a first hollow cylindrical section; 7-5-2-a second hollow cylindrical section; 7-5-3-a third hollow cylindrical section; 7-5-4-a fourth hollow cylindrical section; 7-5-4-1-annular protrusion; 7-5-5-a fifth hollow cylindrical section; 7-6-crimp ring; 8-sealing ring; 9-sealing body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a high-reliability photoelectric mixed connector comprises a housing 1, a wire sealing body 2, a fixing snap ring 3, an insulator 4, a plurality of electric contacts 5, a clamping jaw 6, a plurality of optical fiber contacts 7, a sealing ring 8 and a sealing body 9, wherein the sealing body 9 is fixedly bonded at the front end of the insulator 4, the wire sealing body 2 is fixedly bonded at the rear end of the insulator 4 to jointly form an insulator 4 assembly, the insulator 4 assembly is fixedly mounted in an inner cavity of the housing 1 through the fixing snap ring 3, the sealing ring 8 is mounted between the outer periphery of the sealing body 9 and the inner periphery of the housing 1, the optical fiber contacts 7 and the electric contacts 5 are respectively and axially mounted in a hole cavity of the insulator 4 through the clamping jaw 6, the front ends of the optical fiber contacts 7 and the electric contacts 5 penetrate out of the sealing body 9, and the tail ends of the optical fiber contacts.
The optical fiber contact element 7 is a non-contact optical fiber contact element and comprises a lens 7-1, a closed sleeve 7-2, a ceramic ferrule 7-3, a front shell 7-4, a rear shell 7-5 and a crimping ring 7-6; the lens 7-1 is axially fixed at one end inside the closed sleeve 7-2 through adhesive bonding, the closed sleeve 7-2 is installed inside the tail end of the front shell 7-4 in a gluing or interference fit mode, one end of the ceramic ferrule 7-3 is installed inside the tail end of the rear shell 7-5 in an interference fit mode, the other end of the ceramic ferrule 7-3 is axially arranged inside the closed sleeve 7-2, the tail end of the rear shell 7-5 is arranged inside the front end of the front shell 7-4, and the front shell 7-4 is fixedly connected with the rear shell 7-5 through threads.
The periphery of the front end of the rear shell 7-5 is provided with a compression ring 7-6, and a protective layer of the lead is arranged between the compression ring 7-6 and the rear shell 7-5 and is compressed and fixed, so that the tensile property of the lead is improved.
The lens 7-1 is a cylindrical lens which is an 1/4-pitch lens and can collimate and amplify light beams, the collimated and amplified light beams are dozens of times of the original light beams, coupling is easier, and good coupling efficiency can be realized under the condition of no contact.
The front shell 7-4 comprises a hollow cylinder body 7-4-1, a first annular boss 7-4-2 is formed by extending outwards at the tail end of the hollow cylinder body 7-4-1, a second annular boss 7-4-3 is formed by extending inwards at the front end of the hollow cylinder body 7-4-1, and meanwhile, internal threads are arranged at the rear end of the second annular boss 7-4-3 on the inner circumference of the hollow cylinder body 7-4-1.
The rear shell 7-5 comprises a first hollow cylindrical section 7-5-1, a second hollow cylindrical section 7-5-2, a third hollow cylindrical section 7-5-3, a fourth hollow cylindrical section 7-5-4 and a fifth hollow cylindrical section 7-5-5 which are coaxially and integrally formed, the inner diameters of the first hollow cylindrical section 7-5-1, the second hollow cylindrical section 7-5-2, the third hollow cylindrical section 7-5-3, the fourth hollow cylindrical section 7-5-4 and the fifth hollow cylindrical section 7-5-5 are equal, the outer diameters of the first hollow cylindrical section 7-5-1, the second hollow cylindrical section 7-5-2, the third hollow cylindrical section 7-5-3, the fourth hollow cylindrical section 7-5-4 and the fifth hollow cylindrical section 7-5-5 are unequal, and external threads are arranged on.
After the front case 7-4 and the rear case 7-5 are screwed and fixed, the front end face of the hollow cylindrical body 7-4-1 of the front case 7-4 is brought into contact with the end face of the third hollow cylindrical section 7-5-3 of the rear case 7-5, and the outer diameter of the third hollow cylindrical section 7-5-3 is equal to the outer diameter of the hollow cylindrical body 7-4-1.
2 annular bulges 7-5-4-1 are arranged at intervals on the periphery of the fourth hollow cylindrical section 7-5-4.
The contact surfaces of the insulator 4, the wire sealing body 2 and the sealing body 9 are both of a plane structure.
The insulator 4, the wire sealing body 2 and the sealing body 9 are all made of insulating materials.
During assembly, the optical fiber contact element 7 is firstly installed, specifically: the ceramic ferrule 7-3 and the rear shell 7-5 are installed in an interference fit mode, the lens 7-1 and the closed sleeve 7-2 are fixedly bonded, then the closed sleeve 7-2 and the front shell 7-4 are fixed through gluing or interference fit, the rear shell 7-5 and the ceramic ferrule 7-3 are sent into the front shell 7-4, the ceramic ferrule 7-3 is inserted into the closed sleeve 7-2, external threads of the rear shell 7-5 are connected with internal threads of the front shell 7-4 in a matching mode, and the ceramic ferrule 7-3 is adjusted to the optimal (focal length) position through thread adjustment and fixed.
Then the clamping jaw 6 is sent into the insulator 4, the sealing body 9 is adhered to the front end of the insulator 4, the wire sealing body 2 is adhered to the rear end of the insulator 4, an insulator component is formed together, and the component can be installed into the optical fiber contact 7 and the electrical contact 5 according to different requirements; the product can be according to different user demands, and the design is convenient adjusts photoelectric signal passageway quantity.
After the insulator assembly is sent into the shell 1, the fixing clamping ring 3 is sent into the shell 1 from one side of the wire sealing body 2 to realize fixed connection, and the sealing ring 8 is sent into the shell 1 from one side of the sealing body 9 to realize sealing effect.
The optical fiber contact element 7 can be matched with a multi-core optical fiber connector or a multi-core photoelectric mixed connector for use, and the non-contact optical fiber contact element 7 can perform beam expanding collimation and convergence on light beams, so that the diameter of light spots can be increased, and the environmental resistance and the mechanical life of the optical fiber contact element 7 are effectively improved.
The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. The high-reliability photoelectric mixed connector is characterized by comprising a shell, a wire sealing body, a fixed snap ring, an insulator, a plurality of optical fiber contacts, a clamping jaw, a plurality of electric contacts, a sealing ring and a sealing body, wherein the sealing body is fixedly bonded at the front end of the insulator, the wire sealing body is fixedly bonded at the rear end of the insulator to jointly form an insulator assembly, the insulator assembly is fixedly installed in a cavity inside the shell through the fixed snap ring, the sealing ring is installed between the outer periphery of the sealing body and the inner periphery of the shell, the optical fiber contacts and the electric contacts are respectively and axially installed in a hole cavity of the insulator through the clamping jaw, the front ends of the optical fiber contacts and the electric contacts penetrate out of the sealing body, and the tail ends of the optical fiber contacts and the electric contacts.
2. The high-reliability optical-electrical hybrid connector according to claim 1, wherein the optical fiber contact member comprises a lens, a closed-end ferrule, a front housing, a rear housing and a crimp ring; the lens is axially fixed at one end inside the closed sleeve through bonding of a bonding agent, the closed sleeve is installed in the tail end of the front shell in a gluing or interference fit mode, one end of the ceramic ferrule is installed inside the tail end of the rear shell in an interference fit mode, the other end of the ceramic ferrule is axially arranged in the closed sleeve, the tail end of the rear shell is arranged inside the front end of the front shell, the front shell and the rear shell are fixedly connected through threads, a compression ring is arranged on the periphery of the front end of the rear shell, and a protection layer of a lead is arranged between the compression ring and the rear shell and is fixed in a compression joint mode.
3. The high-reliability photoelectric hybrid connector as claimed in claim 2, wherein the lens is a cylindrical lens.
4. The high-reliability photoelectric mixed connector as claimed in claim 1, wherein the contact surfaces of the insulator and the wire sealing body and the sealing body are planar structures.
5. The high-reliability photoelectric mixed connector as claimed in claim 1, wherein the insulator, the wire sealing body and the sealing body are made of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590633.3U CN211629390U (en) | 2020-04-20 | 2020-04-20 | High-reliability photoelectric mixed connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020590633.3U CN211629390U (en) | 2020-04-20 | 2020-04-20 | High-reliability photoelectric mixed connector |
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| Publication Number | Publication Date |
|---|---|
| CN211629390U true CN211629390U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020590633.3U Active CN211629390U (en) | 2020-04-20 | 2020-04-20 | High-reliability photoelectric mixed connector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113422241A (en) * | 2021-06-29 | 2021-09-21 | 中航光电科技股份有限公司 | Photoelectric composite connector |
| WO2022222289A1 (en) * | 2021-04-20 | 2022-10-27 | 杭州耀芯科技有限公司 | Pluggable free-space photoelectric hybrid connector |
-
2020
- 2020-04-20 CN CN202020590633.3U patent/CN211629390U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222289A1 (en) * | 2021-04-20 | 2022-10-27 | 杭州耀芯科技有限公司 | Pluggable free-space photoelectric hybrid connector |
| CN113422241A (en) * | 2021-06-29 | 2021-09-21 | 中航光电科技股份有限公司 | Photoelectric composite connector |
| CN113422241B (en) * | 2021-06-29 | 2022-04-08 | 中航光电科技股份有限公司 | Photoelectric composite connector |
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