CN211318824U - Optical fiber connector connected with MT type optical fiber contact element - Google Patents
Optical fiber connector connected with MT type optical fiber contact element Download PDFInfo
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- CN211318824U CN211318824U CN202020077555.7U CN202020077555U CN211318824U CN 211318824 U CN211318824 U CN 211318824U CN 202020077555 U CN202020077555 U CN 202020077555U CN 211318824 U CN211318824 U CN 211318824U
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- socket
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- fiber optic
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Abstract
The utility model relates to an optical fiber connector adapting MT type optical fiber contact element, which comprises a plug and a socket, wherein the socket comprises a socket shell and at least one MT contact element, and the MT contact element is fixedly assembled in a square cavity in the socket shell through a first pressing plate; the socket shell is also provided with at least two positioning columns for realizing positioning and installation between the socket and the printed board and at least one fixing part for realizing installation and fixation between the socket and the printed board; the first pressing plate is provided with a mounting groove which is provided with a limiting part used for being matched with the MT contact piece and pressing the MT contact piece in the socket shell and a guiding part communicated with the limiting part and used for enabling the tail part of the MT contact piece to enter the guide part from one side of the pressing plate. The utility model is provided with a positioning column and a mounting hole on the shell of the socket end, which is convenient for the installation and fixation between the connector and the printed board; the design of the connector socket end structure allows the optical module to be coupled with the MT and then installed in the connector, so that field installation and operation are facilitated.
Description
Technical Field
The utility model relates to a join in marriage fiber connector who connects standard MT optic fibre contact belongs to fiber connector technical field.
Background
With the development of optical communication technology, more and more optical modules are used in optical communication devices for transmitting and receiving signals, and the number of optical channels in the optical modules is gradually increased from 2 channels to 12 channels, even 24 channels. Therefore, the optical fiber connector used on the printed board matched with the optical module needs to be satisfied. In a special use scene, an optical module for transmitting or receiving signals on a printed board needs to be interconnected with a communication interface outside the device, and in such applications, a general board-to-board connector cannot meet the functional requirements of the system, and a board edge connector with a self-locking function is needed.
Disclosure of Invention
In order to solve the above problem, the utility model provides a join in marriage fiber connector who connects MT type optic fibre contact makes and is provided with reference column, mounting hole on its socket end shell, and the installation of being convenient for between connector and the printing board is fixed.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the utility model provides a join in marriage optical fiber connector who connects MT type optic fibre contact, including plug and socket, the socket includes socket casing and at least one MT contact, MT contact is fixed to be assembled in the square cavity in the socket casing through first clamp plate; the socket shell is also provided with at least two positioning columns for realizing positioning and installation between the socket and the printed board and at least one fixing part for realizing installation and fixation between the socket and the printed board; the first pressing plate is provided with a mounting groove which is provided with a limiting part used for being matched with the MT contact piece and pressing the MT contact piece in the socket shell and a guiding part communicated with the limiting part and used for enabling the tail part of the MT contact piece to enter the guide part from one side of the pressing plate.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
In the optical fiber connector adapted to the MT-type optical fiber contact member, the mounting groove is L-shaped, and the limiting portion is a horizontal groove into which the tail end portion of the MT contact member is inserted and which is in stop fit with the step surface on the periphery of the MT-type optical fiber contact member; the guide part is a vertical or inclined open slot led out from one end of the horizontal slot and enabling one side edge of the pressing plate to be opened.
In the optical fiber connector for connecting an MT-type optical fiber contact member, the plug includes a plug housing, at least one MT ferrule component, and at least one MT support housing; the front end of the MT support shell is provided with a square cavity, the side face of the MT support shell, which is used for assembling the MT pin component, is provided with an opening for the MT pin component to enter, and the inner side of the front end of the square cavity is provided with an upper clamping jaw and a lower clamping jaw which are matched with and limited by a small step on a plane body at the front end of the MT pin component.
In the optical fiber connector connected with the MT-type optical fiber contact element, the outer wall of at least one side of the MT support housing is provided with a convex key which is matched and aligned with the groove in the cavity at the rear end of the plug housing to realize accurate butt joint of the contact element.
In the optical fiber connector adapted to the MT-type optical fiber contact member, the MT supports a step surface at the rear end of the housing, and the second pressing plate fixed to the rear end of the plug housing is pressed against the step surface.
In the optical fiber connector connected with the MT-type optical fiber contact element, the front ends of the square cavities of the socket shell and the plug shell are respectively provided with a bevel edge for guiding the plug and the socket during plugging.
In the optical fiber connector for connecting MT-type optical fiber contacts, the receptacle and the plug are guided to be matched by at least two sets of matched guide pins and guide pin holes on the housing.
In the optical fiber connector connected with the MT-type optical fiber contact member, the plug and the socket are further provided with adaptive locking members to realize locking after the plug and the socket are plugged.
In the optical fiber connector connected with the MT-type optical fiber contact element in a matching manner, the socket housing is provided with at least two stepped holes for assembling the locking threaded sleeves, and the plug housing is provided with corresponding locking screw holes for assembling the locking screw assemblies.
Compared with the prior art, the utility model obvious advantage and beneficial effect have. Borrow by above-mentioned technical scheme, the utility model discloses can reach considerable technical advancement and practicality to have the wide use value in the industry, it has following advantage at least: the utility model is provided with a positioning column and a mounting hole on the shell of the socket end, which is convenient for the installation and fixation between the connector and the printed board; the structural design of the socket end of the connector allows the optical module to be coupled with the MT and then to be installed in the connector, so that the field installation operation is facilitated; the plug and socket plugging interface has a misplug prevention design and is provided with a guide pin and a guide hole guide structure, so that the head seat is convenient to plug; the plug terminal MT contact piece, the positioning seat, the spring and the like adopt an integral packaging structure, a modularized assembly mode is provided for the plug terminal contact piece, the product has the possibility of integral expansion, and the MT contact piece can be expanded to a plurality of MT contact pieces.
Drawings
Fig. 1 is a schematic diagram of a receptacle structure of an optical fiber connector adapted with an MT-type optical fiber contact member according to the present invention;
fig. 2 is a cross-sectional view of the receptacle of the optical fiber connector of the present invention connected with the MT-type optical fiber contact member;
fig. 3 is a schematic view of the pressing plate structure of the optical fiber connector socket adapted with the MT-type optical fiber contact element according to the present invention;
fig. 4 is a cross-sectional view of the optical fiber connector plug adapted with the MT-type optical fiber contact of the present invention;
fig. 5 is a schematic view of the plug housing of the optical fiber connector of the present invention connected with the MT-type optical fiber contact member;
fig. 6 is a cross-sectional view of the plug housing of the optical fiber connector of the present invention adapted with the MT-type optical fiber contact member;
fig. 7 is a schematic view of the installation of the plug end guide pin of the optical fiber connector for adapting the MT-type optical fiber contact according to the present invention;
fig. 8 is a schematic structural view of the MT supporting housing of the plug end of the optical fiber connector of the present invention connected with the MT-type optical fiber contact member;
fig. 9 is an installation diagram of the MT ferrule component of the optical fiber connector adapted with the MT-type optical fiber contact element according to the present invention;
fig. 10 is a schematic view of the overall structure of the optical fiber connector connected with the MT-type optical fiber contact of the present invention.
[ description of main element symbols ]
1: locking thread sleeve
2: socket shell
2.1: bevel edge
2.2: guide hole
2.3: stepped hole
2.4: positioning column
2.5: mounting threaded hole
3: MT contact
4: first pressing plate
4.1: mounting groove
5: screw nail
6: guide pin
7: plug shell
7.1: locking screw hole
7.2: square cavity structure
7.3: inclined plane
7.4: guide pin hole
7.5: groove
8: MT contact pin component
9: locking screw assembly
10: second press plate
11: screw nail
12: MT supports casing
12.1: jack catch
12.2: convex key
12.3: step surface
13: crimping sleeve
14: protective sleeve
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to the specific embodiments, structures, features and effects of the optical fiber connector with MT-type optical fiber contact member according to the present invention with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-10, which are schematic structural views of the optical fiber connector for connecting MT-type optical fiber contact members according to the present invention, including a plug and a socket, wherein the socket includes a locking thread sleeve 1, a socket housing 2, an MT pin contact member 3, a pressing plate 4 and a screw 5. The MT contact 3 is a standard component and is arranged in a square cavity inside the socket shell 2, the tail part of the MT contact is pressed tightly through a pressing plate 4, and the pressing plate 4 is fixed on the socket shell 2 through a screw 5.
The front end face of the square cavity of the socket shell 2 is provided with a bevel edge 2.1 used for identifying the plugging direction of the socket when the plug and the socket are plugged.
The socket shell 2 is also provided with at least two guide holes 2.2 which are matched with the guide pins 6 on the plug when the plug and the socket are plugged and play a primary guide role.
The socket shell 2 is further provided with at least two step holes 2.3, and the locking thread sleeve 1 is embedded into the step holes 2.3 in the socket shell 2 in an interference fit mode.
The socket shell 2 is further provided with at least two positioning columns 2.4, and the positioning columns are consistent with the size of the holes of the printed board and used for positioning and mounting the socket and the printed board. More than one mounting threaded hole 2.5 is formed in the socket shell 2 and used for mounting and fixing the socket and the printed board.
In the embodiment of the present invention, the first pressing plate 4 has a mounting groove 4.1, and the mounting groove includes a limiting portion for adapting to the MT contact and pressing the MT contact into the socket housing and a guiding portion for allowing the tape fiber of the MT contact to pass through the guiding portion entering the limiting portion from one side of the pressing plate. Preferably, the mounting groove 4.1 is L-shaped, and forms a horizontal limiting portion of the L-shape for the rear end portion of the MT contact to insert, and the front end surface of the horizontal groove is in stop fit with the step surface at the rear portion of the MT contact, so as to press the MT contact in the socket housing. The guide part is a vertical or inclined open slot led out from one end of the horizontal slot and enabling one side edge of the pressing plate to be opened. The first pressing plate is arranged so that the MT contact element which is matched and connected with the optical module and the band fiber can be installed in the shell through the installation groove, and the process of firstly making wires and then assembling is realized.
The plug includes guide pins 6, a plug housing 7, an MT pin assembly 8, a locking screw assembly 9, a second compression plate 10, screws 11, an MT support housing 12, a crimp sleeve 13, and a boot 14.
At least two locking screw holes 7.1 are arranged on the plug housing 7 and used for installing locking screw assemblies 9. The locking screw assembly 9 is of a mature structure of the existing rectangle and is fixed in a locking screw hole 7.1 on the plug shell 7 through a special process, and when the plug and the socket are plugged, the connector is locked by screwing screws on the plug and the socket.
The inside of the plug shell is of a square cavity structure 7.2 and used for mounting an MT (multi-terminal) pin component 8; the front end of the plug square cavity structure is provided with an inclined plane 7.3 for preventing wrong insertion when the plug and the socket are inserted oppositely. The plug housing is also provided with at least two guide pin holes 7.4 for mounting guide pins 6. The embodiment of the utility model provides an in, there is screw thread formula structure for one end to the guide pin 6, locks through cushion and fastening nut after the assembly, guarantees its relative position relation through the precision fit between guide pin 6 and the plug housing 7.
The MT support shell 12 is of a rectangular structure, a square cavity which is provided with an opening for allowing the rear end of an MT contact pin to enter and used for assembling the MT contact pin component 8 is arranged on the inner side of the front end of the MT support shell, and an upper clamping jaw 12.1 and a lower clamping jaw 12.1 which are matched with a small step on a front end plane body of the MT contact pin component 8 to realize axial limiting on the MT contact pin component 8 are arranged on the inner side of the front end of the square cavity.
And a convex key 12.3 is arranged on the outer wall of at least one side of the MT support shell 12, and the convex key is matched with a groove 7.5 arranged in a cavity at the rear end of the plug shell 7 and used for aligning when the MT support shell 12 is installed in the plug shell 7, so that accurate butt joint of the contact element is realized.
The rear end of the MT support shell 12 is provided with a step surface 12.3, so that the second pressing plate 10 can be conveniently pressed.
The MT pin component 8 is a standard component, a rear end spring is firstly installed in an inner cavity of the MT support shell 12, then a small step on a plane body at the front end of the MT pin component 8 is clamped by a clamping claw 12.1 at the front end of the MT support shell 12 for limiting, the MT pin component 8 is pre-installed, then the MT pin component 8 is installed in a square cavity inside the plug shell 7 through the MT support shell 12, the MT pin component 8 is installed and positioned, and the MT support shell 12 is fixed in the plug shell 7 through a second pressing plate 10 and a screw 11.
The crimping sleeve 13 and the sheath 14 are mature parts, force applied to the sheath is transmitted to the shell through crimping the cable sheath, and the phenomenon that the optical fiber is broken or insertion loss is increased due to external force is prevented.
The connector of the utility model has the advantages of small volume, large transmission optical signal density (12 cores or 24 cores), convenient installation and the like; the utility model has the advantages that by designing the MT supporting shell, the MT contact pin component is firstly assembled, so that the assembly efficiency of the connector and the stability of the plug and the socket during opposite insertion are greatly improved; the utility model discloses an innovation makes the connector install on the printing board, occupation space as few as possible under the limited condition in space, convenience of customers wiring.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment of the above embodiments without departing from the scope of the present invention, but all the modifications, changes and modifications of the above embodiments by the technical spirit of the present invention are within the scope of the present invention.
Claims (9)
1. An optical fiber connector for connecting MT type optical fiber contact elements, which comprises a plug and a socket, is characterized in that: the socket comprises a socket shell and at least one MT contact piece, wherein the MT contact piece is fixedly assembled in a square cavity in the socket shell through a first pressing plate; the socket shell is also provided with at least two positioning columns for realizing positioning and installation between the socket and the printed board and at least one fixing part for realizing installation and fixation between the socket and the printed board;
the first pressing plate is provided with a mounting groove which is provided with a limiting part used for being matched with the MT contact piece and pressing the MT contact piece in the socket shell and a guiding part communicated with the limiting part and used for enabling the tail part of the MT contact piece to enter the guide part from one side of the pressing plate.
2. The fiber optic connector of claim 1, wherein: the mounting groove is L-shaped, and the limiting part is a horizontal groove for the tail end part of the MT contact piece to insert and stop and match with the step surface on the periphery of the MT type optical fiber contact piece; the guide part is a vertical or inclined open slot led out from one end of the horizontal slot and enabling one side edge of the pressing plate to be opened.
3. The fiber optic connector mated with an MT-style fiber optic contact of claim 1 or 2, wherein: wherein the plug comprises a plug housing, at least one MT pin component and at least one MT support housing; the front end of the MT support shell is provided with a square cavity, the side face of the MT support shell, which is used for assembling the MT pin component, is provided with an opening for the MT pin component to enter, and the inner side of the front end of the square cavity is provided with an upper clamping jaw and a lower clamping jaw which are matched with and limited by a small step on a plane body at the front end of the MT pin component.
4. The fiber optic connector mated with an MT-style fiber optic contact of claim 3, wherein: wherein the outer wall of at least one side of the MT support shell is provided with a convex key which is matched and aligned with a groove in a cavity at the rear end of the plug shell to realize accurate butt joint of the contact.
5. The fiber optic connector mated with an MT-style fiber optic contact of claim 3, wherein: wherein the MT supports the step surface at the rear end of the shell, and a second pressing plate fixed at the tail part of the plug shell is pressed on the step surface.
6. The fiber optic connector mated with an MT-style fiber optic contact of claim 3, wherein: the front ends of the square cavities of the socket shell and the plug shell are provided with bevel edges for guiding the plug and the socket during opposite insertion.
7. The fiber optic connector mated with an MT-style fiber optic contact of claim 3, wherein: the socket and the plug are also matched in a guiding way through at least two groups of matched guide pins and guide pin holes on the shell.
8. The fiber optic connector mated with an MT-style fiber optic contact of claim 3, wherein: the plug and the socket are also provided with adaptive locking pieces to realize locking after the plug and the socket are plugged.
9. The fiber optic connector mated with an MT-style fiber optic contact of claim 8, wherein: the socket shell is provided with at least two stepped holes for assembling locking thread sleeves, and the plug shell is provided with corresponding locking screw holes for assembling locking screw components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077555.7U CN211318824U (en) | 2020-01-13 | 2020-01-13 | Optical fiber connector connected with MT type optical fiber contact element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020077555.7U CN211318824U (en) | 2020-01-13 | 2020-01-13 | Optical fiber connector connected with MT type optical fiber contact element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211318824U true CN211318824U (en) | 2020-08-21 |
Family
ID=72058541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020077555.7U Active CN211318824U (en) | 2020-01-13 | 2020-01-13 | Optical fiber connector connected with MT type optical fiber contact element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211318824U (en) |
-
2020
- 2020-01-13 CN CN202020077555.7U patent/CN211318824U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211200 room 7007, building C, No. 288, Qinhuai Avenue, yongyang street, Lishui District, Nanjing, Jiangsu Province Patentee after: Jiangsu Naguang Communication Technology Co.,Ltd. Address before: 471003 room 801, building 3, No.1, Fenghua Road, high tech Zone, Luoyang area, China (Henan) pilot Free Trade Zone, Luoyang City, Henan Province Patentee before: Luoyang Saiyan Photoelectric Technology Co.,Ltd. |