CN210123488U - Polarity-changeable optical fiber connector - Google Patents
Polarity-changeable optical fiber connector Download PDFInfo
- Publication number
- CN210123488U CN210123488U CN201921222813.XU CN201921222813U CN210123488U CN 210123488 U CN210123488 U CN 210123488U CN 201921222813 U CN201921222813 U CN 201921222813U CN 210123488 U CN210123488 U CN 210123488U
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- fool
- proof
- optical fiber
- fiber optic
- plate body
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 87
- 239000000835 fiber Substances 0.000 claims abstract description 39
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 238000003780 insertion Methods 0.000 abstract description 16
- 230000037431 insertion Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a changeable fiber connector of polarity, be used for being connected with the fiber adapter, the fiber adapter is provided with the jack that is used for holding fiber connector, the jack inboard is equipped with the fool-proof portion, fiber connector includes shell, protective housing and fool-proof piece, when the shell inserts the jack from the forward or reverse direction, the fool-proof portion corresponds with different slides, along with the position change of the fool-proof piece on the slide, every fool-proof piece can be pegged graft with the cooperation of fool-proof portion or is blockked by the terminal surface of jack; the fool-proof piece comprises a plate body and an elastic sheet, and the plate body can slide on the slide way; one end of the elastic sheet is connected to the plate body, the other end of the elastic sheet is a free end, and when the free end of the elastic sheet is protruded or pressed, the free end can be matched with the protective shell to lock or release the plate body. The utility model discloses an optical fiber connector can change behind the direction of insertion and optical fiber adapter high-speed joint, and prevent to insert the mistake at follow-up plug in-process.
Description
Technical Field
The utility model relates to an optical communication technical field especially relates to a changeable fiber connector of polarity.
Background
Fiber optic connectors are used in fiber optic communication systems to make connections between optical cables, between optical cables and optoelectronic components, and between optoelectronic components. The end faces of two optical fibers to be connected are precisely butted together, so that the light energy output by the transmitting optical fiber is coupled into the receiving optical fiber to the maximum extent. In some cases it is necessary to change the direction of transmission of the optical fibre, i.e. to change its polarity. At present, some optical fiber connectors can realize polarity change, but cannot be quickly connected with an adapter, and when the optical fiber connectors are used later, if the optical fiber connectors are pulled down, the plugging direction of the optical fiber connectors cannot be quickly determined, and plugging errors are possible.
Disclosure of Invention
An object of the utility model is to provide a changeable fiber connector of polarity, this fiber connector can change and insert the direction back and fiber adapter high-speed joint, and prevent to insert the mistake at follow-up plug in-process.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model discloses a changeable fiber connector of polarity for be connected with the fiber adapter, the fiber adapter is provided with the jack that is used for holding fiber connector, jack inboard is equipped with the fool-proof portion, its characterized in that, fiber connector includes shell, protective housing and fool-proof piece, the lateral wall of shell is provided with two at least slides; the protective shell is sleeved on the outer side of the shell; the fool-proof piece is arranged in each slide way; when the shell is inserted into the jack from the forward direction or the reverse direction, the fool-proof parts correspond to different slide ways, and each fool-proof part can be matched with the fool-proof part to be inserted or blocked by the end face of the jack along with the position change of the fool-proof part on the slide way; the fool-proof piece comprises a plate body and an elastic sheet, and the plate body can slide on the slide way; one end of the elastic sheet is connected to the plate body, the other end of the elastic sheet is a free end, and when the free end of the elastic sheet is protruded or pressed, the free end can be matched with the protective shell to lock or release the plate body.
Optionally, the number of the slideways is two, and the two slideways are respectively arranged on the upper side wall and the lower side wall of the shell.
Optionally, the fool-proof portion is a groove portion, and the fool-proof portion is disposed on an upper sidewall of one end of the optical fiber adapter, which is close to the optical fiber connector.
Optionally, the elastic piece includes a connecting portion and a pressed portion, the connecting portion is connected to one end of the plate body away from the optical fiber adapter, and the connecting portion extends obliquely upward in the insertion direction of the optical fiber connector; the pressed part is connected with the connecting part, and the pressed part is parallel to the side wall of the shell, which is provided with the slide way.
Optionally, the plate body is provided with a through hole, one end of the connecting portion is connected to the inner side wall of the through hole, and the projection of the elastic sheet on the horizontal plane is located in the through hole.
Optionally, every all be equipped with the draw-in groove on two slide lateral walls of slide, prevent slow-witted piece is equipped with the cooperation the first card of draw-in groove is protruding.
Optionally, the fool-proof piece further comprises a limiting portion, the limiting portion is arranged at one end, close to the optical fiber adapter, of the plate body, and the limiting portion can be stopped against the end face of the slide way.
Optionally, the height of the limiting part is greater than that of the plate body.
Optionally, an end of the slide away from the fiber optic adapter is open.
Optionally, the elastic sheet is provided with a second clamping protrusion capable of being matched with the protective shell.
The utility model discloses a prevent that slow-witted structure is prior art's beneficial effect relatively: when the shell of the optical fiber connector is inserted into the jack from the forward direction or the reverse direction, the fool-proof parts correspond to different slide ways, and each fool-proof part can be matched with the fool-proof part for insertion or blocked by the end face of the jack along with the position change of the fool-proof part on the slide way; when the free end of the elastic sheet of the fool-proof piece protrudes or is pressed, the free end can be matched with the protective shell to lock or release the plate body. Therefore, the optical fiber connector can be quickly connected with the optical fiber adapter after the insertion direction is changed, and the insertion error is prevented in the subsequent plugging process.
Drawings
Fig. 1 is a schematic structural view of a fool-proof member provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a fool-proof member provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an optical fiber adapter provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the optical fiber connector and the optical fiber adapter according to an embodiment of the present invention;
fig. 5 is a schematic structural view of the fool-proof member provided in the embodiment of the present invention abutting against the end surface of the slide way near the optical fiber adapter;
fig. 6 is a schematic structural view of the fool-proof member provided in the embodiment of the present invention abutting against the end surface of the slide way far away from the optical fiber adapter.
Reference numerals:
an optical fiber connector-1; a fool-proof piece-11; a plate body-111; a spring sheet-112; a connecting portion-1121; a pressed portion-1122; a second snap-1123; a limiting part-113; -a housing-12; a slideway-121; (ii) a A first snap-1211; a protective shell-13; a fiber optic adapter-2; groove part-21.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the technical solution of the present invention will be further explained by combining the drawings and by means of the specific implementation manner.
The following describes a polarity-changeable optical fiber connector according to an embodiment of the present invention with reference to fig. 1 to 6.
The optical fiber connector 1 with changeable polarity of the present invention, as shown in fig. 1 to fig. 6, is used for connecting with an optical fiber adapter 2, the optical fiber adapter 2 is provided with a jack for accommodating the optical fiber connector 1, the inner side of the jack is provided with a fool-proof portion, characterized in that the optical fiber connector 1 comprises a housing 12, a protective housing 13 and a fool-proof member 11, the outer side wall of the housing 12 is provided with at least two slides 121, the protective housing 13 is sleeved on the outer side of the housing 12, a fool-proof member 11 is provided in each slide 121, when the housing 12 is inserted into the jack from the forward direction or the reverse direction, the fool-proof portion corresponds to different slides 121, along with the position change of the fool-proof member 11 on the slide 121, each fool-proof member 11 can be inserted into the corresponding fool-proof portion or blocked by the end face of the jack, wherein, the fool-, the other end of the elastic sheet 112 is a free end, and when the free end of the elastic sheet 112 is protruded or pressed, the free end can be matched with the protective shell 13 to lock or release the board body 111.
When one surface of the optical fiber connector 1 is in the forward direction, the surface rotated 180 degrees is in the reverse direction. When the fool-proof piece 11 is stopped to abut against the inner side wall of the slide rail 121 close to the optical fiber adapter 2, for the shell 12 to be inserted into the jack from the forward direction, the elastic sheet 112 can enter the fool-proof portion of the optical fiber adapter 2, at this time, after the optical fiber connector 1 is rotated by 180 degrees, the fool-proof piece 11 stopped to abut against the inner side wall of the slide rail 121 close to the optical fiber adapter 2 is in the reverse direction, and because only one side of the optical fiber adapter 2 is provided with the fool-proof portion, at this time, the elastic sheet 112 cannot be. That is, the fool-guard 11 is blocked by the end face of the insertion hole. Therefore, the optical fiber connector 1 can be quickly connected with the optical fiber adapter 2 after the insertion direction is changed, the insertion error is prevented in the subsequent plugging process, the problem that the normal transmission of optical fiber signals is influenced due to the fact that the optical fiber connector is not plugged is solved, and meanwhile, the plugging operation of a user is facilitated.
Alternatively, as shown in fig. 5 to 6, there are two slide ways 121, and the two slide ways 121 are respectively disposed on the upper side wall and the lower side wall of the housing 12.
It should be noted that, after the optical fiber cable is plugged, the connection polarity sometimes needs to be changed, that is, the optical fiber connector 1 is rotated by 180 degrees, so both the upper and lower sidewalls of the housing 12 are provided with the fool-proof members 11 matching with the sliding ways 121, the fool-proof members 11 on the upper and lower sidewalls are slid to change positions, at this time, the elastic sheet 112 of the fool-proof member 11 on the upper sidewall can be inserted into the groove portion 21 of the optical fiber adapter 2, and the fool-proof member 11 on the lower sidewall is stopped on the inner sidewall of the sliding ways 121 far away from the insertion direction of the optical fiber connector 1, so that the optical fiber connector. Therefore, the two fool-proof pieces 11 matched with the sliding ways 121 to slide can meet the requirement of inserting when the polarity changes, and can prevent the core print from being reversely inserted, so that the effect of preventing the core print from being inserted wrongly is achieved.
Optionally, the fool-proof portion is a groove portion 21, and the fool-proof portion is disposed on an upper sidewall of an end of the optical fiber adapter 2 close to the optical fiber connector 1.
The groove portion 21 is provided on the upper side wall of the optical fiber adapter 2 near the end of the optical fiber connector 1 for the convenience of observation and judgment of the user. Of course, in other embodiments of the present invention, the groove portion 21 is not limited to be provided on the upper side wall of the end of the optical fiber adapter 2 near the optical fiber connector 1, and may be a side wall in other directions.
Alternatively, as shown in fig. 1 to 2, the elastic piece 112 includes a connecting portion 1121 and a pressed portion 1122, the connecting portion 1121 is connected to one end of the plate body 111, and the connecting portion 1121 extends obliquely upward in the direction of insertion of the optical fiber connector 1; the pressed portion 1122 is connected to the connecting portion 1121, and the pressed portion 1122 and the side wall of the housing 12 on which the slide rail 121 is provided are parallel to each other.
It can be understood that the connection portion 1121 extending obliquely upward may swing the plate body 111 with a swing axis at one end in the insertion direction of the optical fiber connector 11; the pressed portion 1122 and the side wall of the housing 12 with the slide 121 are parallel to each other, so that the resilient piece 112 can be easily inserted into the groove portion 21 of the fiber optic adapter 2 by pressing.
Alternatively, as shown in fig. 1 to fig. 2, the plate body 111 is provided with a through hole, one end of the connection portion 1121 is connected to an inner side wall of the through hole, and a projection of the elastic sheet 112 on a horizontal plane is located in the through hole.
It can be understood that, when the elastic sheet 112 is stopped to abut against the end of the slide rail 121 close to the optical fiber adapter 2, since the projection of the elastic sheet 112 on the horizontal plane is located in the through hole, the elastic sheet 112 can be smoothly pressed into the through hole by the groove portion 21, and the elastic sheet 112 is prevented from being stuck.
Optionally, as shown in fig. 1 to 2, two sliding side walls of each sliding way 121 are provided with a locking groove, and the fool-proof member 11 is provided with a first locking protrusion 1211 matching with the locking groove. It can be understood that the fool-proof member 11 can slide on the slide rail 121, and the fool-proof member 11 can be prevented from sliding out of the slide rail 121, thereby affecting the plugging effect of the optical fiber adapter 2. Of course, in other embodiments of the present invention, only one sliding sidewall of the sliding rail 121 is provided with a locking groove, and in some embodiments of the present invention, the locking groove may also be provided on the fool-proof member 11, and the first locking protrusion 1211 is provided on two sliding sidewalls of the sliding rail 121.
Optionally, as shown in fig. 1 to fig. 2, the fool-proof member 11 further includes a limiting portion 113, the limiting portion 113 is disposed at one end of the plate 111 close to the optical fiber adapter 2, and the limiting portion 113 can be stopped against an end surface of the sliding rail 121.
It can be understood that, when the fool-proof member 11 is stopped at one end of the sliding rail 121 close to the optical fiber adapter 2, the limiting portion 113 is stopped at the end surface of the sliding rail 121, thereby avoiding the infinite sliding of the fool-proof member 11 to a certain extent from affecting the insertion of the optical fiber connector 1 into the optical fiber adapter 2.
Alternatively, as shown in fig. 1 to 2, the height of the limiting portion 113 is greater than the height of the plate body 111. It should be noted that, when the fool-proof member 11 is stopped at one end of the slide rail 121 close to the optical fiber adapter 2, the upper end surface of the limiting portion 113 is also stopped at the inner wall surface of the optical fiber adapter 2, so as to prevent the fool-proof member 11 from sliding arbitrarily to a certain extent, and effectively reduce the possibility of looseness and instability of the fool-proof member 11.
Optionally, as shown in fig. 5 to 6, an end of the slide 121 remote from the fiber optic adapter 2 is open. It will be appreciated that it facilitates the installation of the fool-proof tab 11.
Optionally, the elastic sheet 112 is provided with a second clamping protrusion 1123 capable of matching with the protective shell 13, so that stability and firmness are improved.
Procedure for the user to plug the fiber optic connector 1 into the fiber optic adapter 2: the user has previously determined the desired polarity direction and the direction of insertion of the core, and slides the fool-proof member 11 to be inserted into the groove portion 21 onto the inner side wall surface of the end of the slide 121 close to the optical fiber adapter 2, and the other fool-proof member 11 onto the inner side wall surface of the end of the slide 121 in the direction of insertion of the optical fiber connector 1. Then, the user plugs the core into the optical fiber adapter 2, and the optical fiber connector 1 can be inserted into the groove portion 21 only when the fool-proof piece 11 abutting against one end of the sliding rail 121 close to the optical fiber adapter 2 is located above the fool-proof piece 11, so that the optical fiber connector 1 is plugged into the optical fiber adapter 2 and the polarity direction is correct.
When the polarity direction of the connection needs to be changed, the process that the optical fiber connector 1 is plugged in the optical fiber adapter 2 is as follows: the user unlocks the optical fiber connector 1 from the optical fiber adapter 2, rotates the optical fiber connector 1 by 180 degrees, slides the fool-proof member 11 originally stopped at one end of the sliding way 121 in the insertion direction of the optical fiber connector 1 to the end stopped at one end of the sliding way 121 close to the optical fiber adapter 2, and slides the fool-proof member 11 originally stopped at one end of the sliding way 121 close to the optical fiber adapter 2 to the end stopped at one end of the sliding way 1211 in the insertion direction of the optical fiber connector 1. Then, the user plugs the core into the fiber adapter 2, and at this time, the optical fiber connector 1 can be inserted into the groove portion 21 only when the slide rail 121 is abutted against the fool-proof piece 11 close to the fiber adapter 2 and the fool-proof piece 11 is located above, so that the optical fiber connector 1 is plugged into the fiber adapter 2 and the polarity direction is changed.
In the description herein, references to the description of "some embodiments," "other embodiments," or the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Further, it is to be understood that the terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (10)
1. A fiber optic connector (1) with a changeable polarity for connection with a fiber optic adapter (2), the fiber optic adapter (2) being provided with a receptacle for receiving the fiber optic connector (1), the receptacle being provided with a fool-proof portion inside, characterized in that the fiber optic connector (1) comprises:
the outer side wall of the shell (12) is provided with at least two slide ways (121);
the protective shell (13), the protective shell (13) is sleeved on the outer side of the shell (12);
the fool-proof piece (11) is arranged in each slide way (121);
when the shell (12) is inserted into the jack from the forward direction or the reverse direction, the fool-proof parts correspond to different slide ways (121), and each fool-proof part (11) can be matched with the fool-proof part to be inserted or blocked by the end face of the jack along with the position change of the fool-proof part (11) on the slide way (121);
the fool-proof piece (11) comprises a plate body (111) and an elastic sheet (112), wherein the plate body (111) can slide on the slide rail (121); one end of the elastic sheet (112) is connected to the plate body (111), the other end of the elastic sheet (112) is a free end, and when the free end of the elastic sheet (112) protrudes or is pressed, the free end can be matched with the protective shell (13) to lock or release the plate body (111).
2. The variable polarity fiber optic connector (1) of claim 1, wherein there are two of the slides (121), two of the slides (121) being disposed on respective upper and lower sidewalls of the housing (12).
3. The fiber optic connector (1) with changeable polarity according to claim 2, wherein the fool-proof portion is a recessed portion (21), and the fool-proof portion is provided on an upper sidewall of an end of the fiber optic adapter (2) near the fiber optic connector (1).
4. The polarity-changeable fiber optic connector (1) of claim 1, wherein the spring (112) comprises:
a connecting part (1121), wherein the connecting part (1121) is connected with one end of the plate body (111) far away from the optical fiber adapter, and the connecting part (1121) extends upwards in an inclined mode in the inserting direction of the optical fiber connector (1);
and the pressed part (1122) is connected with the connecting part (1121), and the pressed part (1122) is parallel to the side wall of the shell (12) provided with the slide way (121).
5. The optical fiber connector (1) with changeable polarity according to claim 4, wherein the plate body (111) is provided with a through hole, one end of the connecting portion (1121) is connected to an inner side wall of the through hole, and a projection of the elastic piece (112) on a horizontal plane is located in the through hole.
6. The fiber optic connector (1) with changeable polarity according to claim 4, wherein a locking groove is formed on both sliding side walls of each of the sliding ways (121), and the fool-proof member (11) is provided with a first locking protrusion (1211) matching with the locking groove.
7. The polarity-changeable optical fiber connector (1) according to claim 1, wherein the fool-proof member (11) further comprises a limiting portion (113), the limiting portion (113) is disposed at an end of the plate body (111) close to the optical fiber adapter (2), and the limiting portion (113) can stop against an end face of the sliding way (121).
8. The polarity-changeable optical fiber connector (1) according to claim 7, wherein the height of the limiting portion (113) is greater than the height of the plate body (111).
9. A variable polarity fiber optic connector (1) as claimed in claim 3, wherein the slideway (121) is open at an end remote from the fiber optic adapter (2).
10. The fiber optic connector (1) with changeable polarity according to claim 6, wherein the spring plate (112) is provided with a second snap (1123) capable of engaging the protective shell (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921222813.XU CN210123488U (en) | 2019-07-31 | 2019-07-31 | Polarity-changeable optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921222813.XU CN210123488U (en) | 2019-07-31 | 2019-07-31 | Polarity-changeable optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210123488U true CN210123488U (en) | 2020-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921222813.XU Active CN210123488U (en) | 2019-07-31 | 2019-07-31 | Polarity-changeable optical fiber connector |
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| Country | Link |
|---|---|
| CN (1) | CN210123488U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376684A (en) * | 2019-07-31 | 2019-10-25 | 新确精密科技（深圳）有限公司 | A kind of optical fiber connector that polarity is variable |
| CN112068259A (en) * | 2020-09-22 | 2020-12-11 | 深圳市夏裕精密部件有限公司 | MPO optical fiber connector |
-
2019
- 2019-07-31 CN CN201921222813.XU patent/CN210123488U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376684A (en) * | 2019-07-31 | 2019-10-25 | 新确精密科技（深圳）有限公司 | A kind of optical fiber connector that polarity is variable |
| CN112068259A (en) * | 2020-09-22 | 2020-12-11 | 深圳市夏裕精密部件有限公司 | MPO optical fiber connector |
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