CN202351456U - Anti-misplug optical connector plug - Google Patents
Anti-misplug optical connector plug Download PDFInfo
- Publication number
- CN202351456U CN202351456U CN2011203158432U CN201120315843U CN202351456U CN 202351456 U CN202351456 U CN 202351456U CN 2011203158432 U CN2011203158432 U CN 2011203158432U CN 201120315843 U CN201120315843 U CN 201120315843U CN 202351456 U CN202351456 U CN 202351456U
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- Prior art keywords
- plug
- circuit board
- optical connector
- groove
- warehouse
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Abstract
The utility model discloses an anti-misplug optical connector plug, comprising a plug shell, wherein the plug shell is provided with a circuit board bin body which is used for plug-in mounting of a plug circuit board, the rear end of the circuit board bin body is provided with a rear bin opening which faces the rear end of the plug shell, the plug circuit board can be pushed in or pulled out by virtue of the rear bin opening, the front end of the circuit board bin body is provided with a front bin opening which faces the front end of the plug shell, the plug circuit board can stretch out forwards by virtue of the front bin opening, the side of the plug shell is provided with a groove which is used for containing the front part of the plug circuit board from the front bin opening of the circuit board bin body, a contact piece is fixed on a board which is arranged at the front part of the plug circuit board and opposite to the bottom surface of the groove, and a notch of the groove forms an opening which exposes the contact piece on the surface of the plug shell. The plug shell of the optical connector plug disclosed by the utility model is provided with a circuit board bin which can protect the rear part of the plug circuit board inside in a surrounding manner, no other shell is required to be additionally arranged, and the anti-misplug optical connector plug can be compatible with an adapter in general standard.
Description
Technical field
The utility model relates to the optical connector that is used for optical signal transmission.
Background technology
General optical connector such as LC connector, the SC connector is made up of optical connector plug and the optical adapter that cooperates of pegging graft in use usually; Because the version of the optical connector plug of transmission unlike signal is the same, the optical connector plug that when pegging graft, will transmit unlike signal is easily obscured, and causes to misplug; Because plug is numerous; In case occur mispluging, detect quite difficulty, increase the difficulty of wiring.In order to solve the problem of mispluging; Be CN 201845103 like the Chinese patent notification number in the prior art; A kind of SC plug and a kind of SC adapter that has pilot lamp that has plug information storage chip disclosed in the patent documentation of title for ease of the SC connector assembly of anti-mis-insertion identification and SC plug and adapter; The plug information storage chip of this SC plug is arranged in the printed board; Printed board is installed in the groove of offering on the side of stationary housing of SC plug head suit; Also be provided with in the printed board with printed board on the metal conductive strips that is electrically connected with the information Recognition chip of the inside cabling welding of corresponding pad, through printed board; And the SC adapter be provided with when pegging graft with the SC plug with the SC plug on the shell fragment that contact of metal conductive strips conduction, shell fragment has the pin that is used for the plug store information on the SC plug is imported corresponding circuit board, the pilot lamp on the SC adapter has with the signal output part of related circuit plate and conducts electricity the pin that is connected in addition.Plug information in the plug information storage chip on the above-mentioned SC plug is through the metallic elastic spare input circuit plate of metal conductive strips, SC adapter; Identification circuit in the circuit board is judged according to the plug information of input; It is bright then to export the signal controlling pilot lamp when information is coincide, and shows that grafting is errorless, otherwise does not then export signal; Pilot lamp does not work, and realizes anti-mis-insertion.
The stationary housing that above-mentioned SC plug needs install a housing type additional in the plug outside could assemble the printed board that has the information Recognition chip, the adding of this housing type stationary housing cause the SC plug can not be with the SC adapter of the universal standard compatible and installation inconvenience.In addition; Its printed board is in the outward extending draw-in groove that is fastened on the groove both sides cell wall of stationary housing; This structure makes the printed board major part be exposed to outer and damages easily; And the draw-in groove edge that must extend to stationary housing could realize the insertion of printed board, and it is bigger to cause the groove development length to take up room like this, and printed board is stayed impaired more easily or extracted near the part in the draw-in groove at stationary housing edge.
The utility model content
The purpose of the utility model is to provide a kind of anti-mis-insertion part not influence inserting compatible anti-mis-insertion optical connector.
For realizing above-mentioned purpose; The technical scheme of the utility model: a kind of anti-mis-insertion optical connector plug; Comprise plug casing; The plug casing front end is an inserted terminal; Be fixed with plug circuit board on the plug; Be fixed with the storage chip that stores plug information on the plug circuit board; Also be fixed with on the plug circuit board through the inner cabling of plug circuit board be electrically connected with the signal output pin of storage chip and be used for optical adapter accordingly on corresponding shell fragment conduct electricity the contact chip that contacts, plug casing is provided with the circuit board warehouse that is used for the plug-in mounting plug circuit board, the rear end of circuit board warehouse has the back Hatch Opening that pushes or extract towards the said plug circuit board of the confession of plug casing rear end; The front end of circuit board warehouse has the preceding Hatch Opening that stretches out forward towards the said plug circuit board of the confession of plug casing front end; The storehouse passage at the rear portion that holds plug circuit board that sealing around the front and back of the inherent plug casing of circuit board warehouse extend upward and are provided with, rear and front end communicate with the front and back Hatch Opening respectively, the conduit wall that is enclosed in around the plug circuit board of storehouse passage cooperates with the corresponding side surface at plug circuit board rear portion is spacing in order the plug circuit board rear portion to be constrained in the circuit board warehouse, offers from the preceding Hatch Opening place of circuit board warehouse on the side of plug casing and holds the anterior groove of said plug circuit board; Said contact chip is fixed on the plate face of the anterior said dorsad groove groove bottom of plug circuit board, and the notch of groove forms the opening that exposes contact chip on the plug casing surface.
The front end of said groove is provided with the stopping surface that stops circuit board to move forward, and stopping surface be the rear end than front end more near the inclined-plane of groove notch simultaneously, and the front end of said plug circuit board has and is pressed in stopping surface and belongs to the inclined-plane on the inclined-plane.
Said circuit board warehouse outside is convexly set in the projection on the plug casing side for one.
Said storage chip is fixed in the rear portion of plug circuit board and is convexly set on the plate face of plug circuit board one side; Be provided with the recess that holds storage chip with the back segment of the storehouse conduit wall of the corresponding circuit board warehouse in storage chip position; This recess extends back and forms outstanding notch in Hatch Opening edge, back, and what make the back Hatch Opening is shaped as " protruding " font.
Said storage chip and contact chip are on the plate face of the same side of plug circuit board.
The plug casing of the optical connector plug of the utility model is provided with protects the circuit board storehouse in inside with the plug circuit board rear portion with the encirclement mode; Thereby plug circuit board is directly installed on the plug casing and does not need to install additional again other housings; Realized the compatibility of optical connector plug (SC, LC) with the optical adapter (SC, LC) of the universal standard; Realization is exchanged inserting, and satisfies the demand that increases chip functions very easily simultaneously, in addition; Must exposed portions except place, the contact chip place of front portion being exposed on the surface of plug casing; The remainder of plug circuit board can be effectively protected, thereby avoids impaired in use or extracted by accident and to come off at existing open groove assembly structure, and the mode of operation that pushes and pulls in circuit board storehouse makes that the dismounting of plug circuit board is also very convenient.
Description of drawings
Fig. 1 is the stereographic map of the optical connector plug embodiment of the utility model;
Fig. 2 is do not pack into the three-dimensional exploded view of plug circuit board of the optical connector plug of Fig. 1;
Fig. 3 is do not pack into the three-dimensional exploded view of plug circuit board of the optical connector plug at another visual angle;
Fig. 4 is the perspective exploded view of Fig. 1.
Embodiment
Like Fig. 1-shown in Figure 4; The embodiment of the anti-mis-insertion optical connector plug of the utility model; It is a kind of anti-mis-insertion SC optical connector plug; Optical connector plug comprises the plug casing 1 of rectangular shape and the optical fiber contact pins assembly 9 that inserts plug casing 1 and fix with plug casing 1 from the back; Plug casing 1 front end is an inserted terminal, and plug casing 1 front end is provided with the hole that exposes optical fiber contact pins 2, and the two opposite side surfaces of plug casing is provided with the buckling groove 4 that locking cooperates when being used for plugging together with adaptive optical adapter; Another side of plug casing be provided with optical adapter in the groove protruding key 8 that guiding cooperates when pegging graft; Be fixed with plug circuit board 7 on the side of plug casing 1, be fixed with the storage chip 71 that stores plug information on the plug circuit board 7, also be fixed with on the plug circuit board 7 signal output pin through plug circuit board 7 inner cablings and storage chip 71 be electrically connected and be used for corresponding SC adapter on corresponding shell fragment conduct electricity the contact chip 72 that contacts.Above structure is identical with existing SC optical connector plug; Its improvements are: one is connected with the circuit board warehouse 5 that is used for plug-in mounting plug circuit board 7 on the side of plug casing 1, and said circuit board warehouse 5 outsides are for being convexly set in a projection on plug casing 1 side.The rear end face of circuit board warehouse 5 has the back Hatch Opening 51 that pushes or extract towards the said plug circuit board 7 of the confession of plug casing 1 rear end; The front end face of circuit board warehouse 5 has the preceding Hatch Opening 52 that stretches out forward towards the said plug circuit board 7 of the confession of plug casing 1 front end; The storehouse passage 53 at sealing around the front and back of circuit board warehouse 5 inherent plug casings 1 extend upward and are provided with, the rear portion that holds plug circuit board 7 that communicates with the front and back Hatch Opening respectively, rear and front end, the conduit wall of storehouse passage 53 in order plug circuit board 7 rear portions to be constrained in the circuit board warehouse 5 and with spacing cooperation of corresponding side surface at plug circuit board 7 rear portions.Offer the groove 6 of the front portion that holds said plug circuit board 7 on the side of plug casing 1 forward from preceding Hatch Opening 52 places of circuit board warehouse 5; Said contact chip 72 is fixed on the plate face of anterior said dorsad groove 6 groove bottom of plug circuit board 7; The notch of groove 6 forms the opening that exposes plug circuit board 7 on plug casing 1 surface; The front end of groove 6 is provided with the stopping surface 61 that stops circuit board 7 to move forward; Stopping surface 61 be the rear end than front end more near the inclined-plane of groove 6 notches, the front end of said plug circuit board 7 has the inclined-plane that is pressed on the inclined-plane, stopping surface 61 place, the spacing cooperation in two inclined-planes stops the front end of plug circuit board 7 from groove 6, to come off from inside to outside.
Said storage chip 72 is fixed in the rear portion of plug circuit board 7; Storage chip 72 is convexly set on the plate face of 7 plug circuit board, 7 one sides; In the present embodiment; Storage chip 71 and contact chip 72 are on the plate face of the same side of 7 plug circuit board 7, and certainly in other embodiments, both also can be on the opposite plate face.Be provided with the recess that holds storage chip 71 with the back segment of the storehouse passage 53 of the corresponding circuit board warehouse 5 in storage chip 71 positions, this recess extends back and forms outstanding notch 54 in Hatch Opening 51 edges, back, and what make back Hatch Opening 51 is shaped as " protruding " font.
The embodiment of above-mentioned optical connector plug in use; Plug circuit board 7 pushes in the storehouse passage 53 from after hatch 51; Around the rear portion that has a plug circuit board 7 of storage chip 71 is protected in the storehouse passage 53 of sealing, and the plug circuit board 7 that has a contact chip 72 is stretched out storehouse passage 53 and is moved forward into groove 6, and is exposed to plug casing 1 surface through the notch of groove 6; Thereby contact chip 72 can be contacted with the shell fragment conduction of LC adapter, realize the transmission of identification signal.
In the above-described embodiments; Because the plug casing wall thickness is thinner, so circuit board warehouse profile is a projection that is convexly set on the plug casing side, and in other embodiment of the utility model; If the wall thickness of plug casing allows; The circuit board storehouse also can be by on a certain end face that is opened in plug casing and protuberance need not be set, and the circuit board warehouse also can be to be fixed together through side such as bonding, as to rivet, be threaded with plug casing split setting, but not one.In addition; In the above-described embodiments; It is the position for the storage chip of the mated plug circuit board that coincide that the back Hatch Opening 51 in circuit board storehouse is set as " protruding " font; And can play the anti-inserted anti-mis-insertion effect of plate face that prevents plug circuit board, and in other embodiment of the utility model, back Hatch Opening also can simply be set to rectangular aperture.In addition, plug circuit board can be only through fixing with circuit board storehouse frictional fit or interference fit, and just need not be provided with stopping surface at groove 6 front ends this moment.
In addition; Circuit board warehouse in the above-described embodiments is arranged on the side that is provided with buckling groove 4 of plug casing; And in other embodiment of the utility model, plug casing can be arranged on other any sides of plug casing, and the installation site that promptly has the plug circuit board of chip is not limited to be contained in a certain surface of housing; Each surface all can be installed, such as the side that is provided with protruding key 8 or with opposing side, side, protruding key 8 place on.
In addition, though be a kind of SC plug at the foregoing description, other embodiment of the utility model also can be the optical connector plugs with other kind of the mounting structure of respective slot on above-mentioned circuit board storehouse and the plug casing, like the LC plug.
Claims (5)
1. anti-mis-insertion optical connector plug; Comprise plug casing; The plug casing front end is an inserted terminal; Be fixed with plug circuit board on the plug; Be fixed with the storage chip that stores plug information on the plug circuit board; Also be fixed with on the plug circuit board through the inner cabling of plug circuit board be electrically connected with the signal output pin of storage chip and be used for optical adapter accordingly on corresponding shell fragment conduct electricity the contact chip that contacts; It is characterized in that: plug casing is provided with the circuit board warehouse that is used for the plug-in mounting plug circuit board; The rear end of circuit board warehouse has the back Hatch Opening that pushes or extract towards the said plug circuit board of the confession of plug casing rear end, and the front end of circuit board warehouse has the preceding Hatch Opening that stretches out forward towards the said plug circuit board of the confession of plug casing front end, the storehouse passage at the rear portion that holds plug circuit board that sealing around the front and back of the inherent plug casing of circuit board warehouse extend upward and are provided with, rear and front end communicate with the front and back Hatch Opening respectively; The conduit wall that is enclosed in around the plug circuit board of storehouse passage cooperates with the corresponding side surface at plug circuit board rear portion is spacing in order the plug circuit board rear portion to be constrained in the circuit board warehouse; Offer the groove that holds said plug circuit board front portion from the preceding Hatch Opening place of circuit board warehouse on the side of plug casing, said contact chip is fixed on the plate face of the anterior said dorsad groove groove bottom of plug circuit board, and the notch of groove forms the opening that exposes contact chip on the plug casing surface.
2. optical connector plug according to claim 1; It is characterized in that: the front end of said groove is provided with the stopping surface that stops circuit board to move forward; Stopping surface is the rear end than front end more near the inclined-plane of groove notch simultaneously, and the front end of said plug circuit board has the inclined-plane that is pressed on the inclined-plane, stopping surface place.
3. optical connector plug according to claim 1 is characterized in that: said circuit board warehouse outside is convexly set in the projection on the plug casing side for one.
4. according to claim 1 or 2 or 3 described optical connector plugs; It is characterized in that: said storage chip is fixed in the rear portion of plug circuit board and is convexly set on the plate face of plug circuit board one side; Be provided with the recess that holds storage chip with the back segment of the storehouse conduit wall of the corresponding circuit board warehouse in storage chip position; This recess extends back and forms outstanding notch in Hatch Opening edge, back, and what make the back Hatch Opening is shaped as " protruding " font.
5. optical connector plug according to claim 5 is characterized in that: said storage chip and contact chip are on the plate face of the same side of plug circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203158432U CN202351456U (en) | 2011-08-26 | 2011-08-26 | Anti-misplug optical connector plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203158432U CN202351456U (en) | 2011-08-26 | 2011-08-26 | Anti-misplug optical connector plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351456U true CN202351456U (en) | 2012-07-25 |
Family
ID=46540450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203158432U Expired - Fee Related CN202351456U (en) | 2011-08-26 | 2011-08-26 | Anti-misplug optical connector plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351456U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313935A (en) * | 2011-08-26 | 2012-01-11 | 中航光电科技股份有限公司 | Anti-misplugging optical connector plug |
-
2011
- 2011-08-26 CN CN2011203158432U patent/CN202351456U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102313935A (en) * | 2011-08-26 | 2012-01-11 | 中航光电科技股份有限公司 | Anti-misplugging optical connector plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120725 Termination date: 20130826 |