CN214474093U - Optical fiber connector, optical fiber connector system and polarity-changing optical fiber connector system - Google Patents
Optical fiber connector, optical fiber connector system and polarity-changing optical fiber connector system Download PDFInfo
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- CN214474093U CN214474093U CN202120395536.3U CN202120395536U CN214474093U CN 214474093 U CN214474093 U CN 214474093U CN 202120395536 U CN202120395536 U CN 202120395536U CN 214474093 U CN214474093 U CN 214474093U
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Abstract
The present invention relates generally to the field of fiber optic connectors, and more particularly to a fiber optic connector, a fiber optic connector system, and a variable polarity fiber optic connector system; the method comprises the following steps: the ceramic ferrule comprises at least two ceramic ferrules and a main shell, wherein steps are arranged on the main shell and are intersected with the plane where each ceramic ferrule is located; the rear end is provided with a first elastic part abutting part; the front end of the movable part is provided with a limit opening matched with the step, the rear part of the movable part is provided with a connecting part, and the main body of the movable part is provided with a second elastic part abutting part; the movable part can move back and forth along the main shell to enable the limit port to be close to or far away from the step, and when the movable part is located at the limit position close to the step, a gap is reserved between the step and the movable part; the tail sleeve part is arranged at the rear part of the main shell and is relatively fixed with the movable part through the connecting part, and the tail sleeve part can move backwards to drive the movable part.
Description
Technical Field
The utility model relates to a fiber connector field especially relates to a fiber connector, fiber connector system and change polarity fiber connector system.
Background
As the demand for bandwidth in data centers has increased, the density of fiber optic connections has increased, and the types of optical interface connectors used for high density applications have also been proposed to increase the number of optical connections that can be used to transmit more data in a given space. In other words, more fiber optic connectors are accommodated in the same footprint to provide backward compatibility with existing data center equipment, thereby improving quality of service and reducing cost.
For example, in current small form-factor pluggable transceiver (SFP and QSFP) applications, LC-type ferrule connector types are also used, which footprints may currently need to accommodate two or four LC-type ferrule optical connections. However, in high density applications, it may be desirable to accommodate double the optical connection of the LC-type ferrule within the same footprint.
However, designing fiber optic connectors that can provide high density interconnections is a challenge. As fiber optic connectors and adapters are made smaller, the connectors often become more difficult to handle and complicated in construction, further reducing robustness.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an optical fiber connector now, the utility model discloses a realize through following technical scheme:
a kind of optical fiber connector is disclosed,
the method comprises the following steps:
the optical fiber connector comprises at least two ceramic ferrules, wherein the ceramic ferrules are arranged on the same plane, and each ceramic ferrule is used for supporting an optical fiber;
a main housing having a front end and a rear end, the ferrule extending from the front end; the main shell is provided with steps, and the steps are intersected with the plane where each ceramic ferrule is located; the rear end is provided with a first elastic part abutting part;
the front end of the movable part is provided with a limit opening matched with the step, the rear part of the movable part is provided with a connecting part, and the main body of the movable part is provided with a second elastic part abutting part; the movable part can move back and forth along the main shell to enable the limit port to be close to or far away from the step, and when the movable part is located at the limit position close to the step, a gap is reserved between the step and the movable part;
an elastic member provided between the first elastic member abutting portion and the second elastic member abutting portion;
the tail sleeve part is arranged at the rear part of the main shell and is relatively fixed with the movable part through the connecting part, and the tail sleeve part can move backwards to drive the movable part.
Preferably, the main housing includes a front body and a rear body, the front body and the rear body being detachably fixed by a fixing portion; the step is provided on the front body, and the first elastic member abutting portion is provided on the rear body.
Preferably, the front body is provided with a head;
at least one part of the movable part is sleeved on the front main body, and the head part limits the limit position of the movable part close to the step.
Preferably, the rear part of the front main body is provided with a slide way;
the movable part is integrally strip-shaped and is provided with a guide rail matched with the slide way;
the slide allows the movable portion to be inserted from the rear end and to stop at the front end of the slide to define the extreme position of the movable portion near the step.
Preferably, the second elastic member abutting portion is provided at a rear end surface of the guide rail to define an extreme position at which the movable portion approaches the step.
Preferably, the steps are arranged on two sides of the main shell;
the movable part is arranged corresponding to the step.
Preferably, the device further comprises a polar block, wherein the polar block is arranged on the movable part or the main shell; the polar block is arranged on one side part corresponding to the step.
Preferably, the step is used for abutting against an arm part of the latch of the adapter, the limiting opening is used for receiving a latch tongue part of the latch of the adapter, and a gap reserved between the step and the movable part is used for allowing the latch tongue part of the latch of the adapter to pass through the step and enter the limiting opening;
the step hooks the clamping tongue part of the clamping lock of the adapter and limits the clamping tongue part of the clamping lock of the adapter to be far away from the main shell through the limiting port, so that the optical fiber connector is fixed on the adapter;
when fiber connector fixes on the adapter, through pulling backward tail cover portion drives the movable part removes backward, makes spacing mouth breaks away from the latch portion of the kayser of adapter, thereby the latch portion of the kayser of adapter can cross the step makes fiber connector break away from the adapter.
The utility model discloses provide a fiber connector system simultaneously:
including the above-mentioned optical fiber connector, and
an adapter including a latch including an arm portion and a latch tongue, the arm portion being elastically bendable and resilient to an outside;
when the optical fiber connector is inserted into the adapter, the arm part bends outwards, the clamping tongue part is abutted against the movable part and pushes the movable part to move backwards until the clamping tongue part passes the step and hooks the step, at the moment, the arm part rebounds and the movable part returns to the limit position close to the step and limits the clamping tongue part through the limiting opening, and therefore the optical fiber connector is fixed on the adapter;
when the optical fiber connector fixed on the adapter is pulled out, the tail sleeve part is pulled to drive the movable part to move backwards, so that the limiting opening is separated from the clamping tongue part, the arm part bends outwards, the clamping tongue part passes over and is separated from the step, and the optical fiber connector is separated from the adapter.
The utility model discloses provide a change polarity fiber connector system simultaneously:
the optical fiber connector comprises the optical fiber connector, and a polar block and an adapter are arranged on one side part corresponding to the step;
the adapter comprises an adapter shell and a fixture block;
the top and the bottom of the adapter shell are provided with an upper slideway and a lower slideway corresponding to the polar blocks, and the clamping blocks are detachably arranged on the upper slideway or the lower slideway;
when the optical fiber connector is used, the clamping block is arranged on the lower slideway, and the first polarity is formed when the upper slideway is correspondingly matched with the polarity block of the optical fiber connector; when the clamping block is arranged on the upper slideway, the lower slideway is in a second polarity when correspondingly matched with the polarity block of the optical fiber connector.
The utility model has the advantages that:
the optical fiber connector provided by the utility model drives the movable part through the tail sleeve part to separate the optical fiber connector from the adapter, and has simple structure and reliable action; the optical fiber connector system comprises an optical fiber connector and an adapter, wherein the optical fiber connector is mutually fixed or separated through the clamping fit of the step and the limiting port and the adapter; the polarity-variable optical fiber connector system realizes polarity change by arranging the detachable clamping block and the slideway on the adapter to be matched with the polarity block of the optical fiber connector, and the optical fiber connector is not required to be changed, so that the optical fiber connector is simple in structure; the utility model discloses structural design is simple reliable, when reducing fiber connector's total area, can insert more easily and remove the connector to can change the polarity transform that the on-the-spot was realized to adapter fixture block position.
Drawings
Fig. 1 is a schematic cross-sectional view of an optical fiber connector according to the present invention;
fig. 2 is a schematic cross-sectional view of the optical fiber connector according to the present invention when inserted into an adapter;
fig. 3 is a schematic cross-sectional view of the optical fiber connector according to the present invention when the adapter is pulled out;
fig. 4 is a schematic structural diagram of a natural state of an optical fiber connector according to embodiment 2 of the present invention;
fig. 5 is a schematic structural diagram of an optical fiber connector according to embodiment 2 of the present invention in an open state;
fig. 6 is a schematic structural diagram of an optical fiber connector according to embodiment 1 of the present invention in an open state;
fig. 7 is an exploded schematic view of an optical fiber connector according to embodiment 1 of the present invention;
fig. 8 is an exploded schematic view of an optical fiber connector according to embodiment 2 of the present invention;
fig. 9 is a schematic structural view of a movable portion of an optical fiber connector according to embodiment 2 of the present invention;
fig. 10 is a schematic structural view of a main housing of embodiment 2 of the optical fiber connector of the present invention;
fig. 11 is a schematic structural view of an optical fiber connector according to embodiment 1 of the present invention, in which a movable portion is provided with a polarity block;
fig. 12 is a schematic structural view of an optical fiber connector according to embodiment 2 of the present invention, in which a movable portion is provided with a polarity block;
fig. 13 is a schematic structural diagram of a second perspective state of the optical fiber connector according to embodiment 1 of the present invention;
fig. 14 is a schematic structural diagram of a second perspective state of the optical fiber connector according to embodiment 2 of the present invention;
fig. 15 is an external structural view of an optical fiber connector according to embodiment 1 of the present invention;
fig. 16 is an external structural view of an optical fiber connector according to embodiment 2 of the present invention;
fig. 17 is a schematic diagram of an adapter structure of a polarity-changing fiber connector system according to the present invention.
Detailed Description
The preferred mechanisms and methods of motion realization of the present invention are further described below in conjunction with the figures and the detailed description.
A kind of optical fiber connector is disclosed,
the method comprises the following steps:
as shown in fig. 1, 2, 3 and 4, at least two ferrules 1 are provided, each ferrule 1 is disposed on the same plane, and each ferrule 1 is used for supporting an optical fiber; the two ceramic ferrules 1 are generally arranged, the same ceramic ferrule as an LC optical fiber connector is generally used for a general optical fiber connector, an optical fiber is fixed in each optical fiber connector, the ceramic ferrule 1 is driven by a spring 2 arranged in a main shell to be capable of being tightly matched with an adapter, but the main improvement point of the patent is unrelated to a corresponding structure, and therefore only brief description is made.
A main housing 5 having a front end 3 and a rear end 4, the ferrule 1 extending from the front end 3; a step 6 is arranged on the main shell 5, and the step 6 is intersected with the plane where each ceramic ferrule 1 is located; the rear end 4 is provided with a first elastic part abutting part 7; generally, the main housing 5 is a flat rectangular body, and the ferrules 1 are vertically arranged and used, so that the plane where the ferrules 1 are located intersects with the narrow edge of the main housing 5, and the step 6 is also arranged on the narrow edge of the main housing 5; said step 6 is a projection which acts mainly against the latch 12 in the adapter 11, thus allowing a relatively smooth transition for smooth use; the elastic part abutting part 7 can be an extended plane and is also arranged at two sides of the relatively narrow edge of the main shell 5 for saving space; in order to facilitate the insertion of the latch 12 of the adapter 11, side walls 10 are arranged on two sides of the step 6, and the two side walls 10 form a structure similar to a slideway, so that the latch 12 can accurately enter the optical fiber connector without shaking left and right; for convenience of use, the steps 6 are generally provided on both sides of the main housing 5.
The front end of the movable part 8 is provided with a limit port 9 matched with the step 6, the rear part of the movable part 8 is provided with a connecting part 18, and the main body of the movable part 8 is provided with a second elastic part abutting part 13; the movable part 8 can move back and forth along the main shell 5, so that the limiting opening 9 is close to or far away from the step 6, and when the movable part 8 is located at the limit position close to the step 6, a gap is reserved between the step 6 and the movable part 8; the elastic piece 14 is arranged between the first elastic piece abutting part 7 and the second elastic piece abutting part 13 and provides elastic force for the movable part 8 to return to the limit position close to the step 6; the tail sleeve portion 17 is arranged at the rear portion of the main housing 5 and is relatively fixed with the movable portion 8 through the connecting portion 18, as shown in fig. 5, 6, 13 and 14, the tail sleeve portion 17 can move backwards to drive the movable portion 8, and the connecting portion 18 and the tail sleeve portion 17 are relatively fixed through a bayonet and a hook.
An adapter comprising a latch 12, said latch 12 comprising an arm portion 15 and a latch portion 16, said arm portion 15 being capable of elastically bending and springing back to the outside;
the step 6 is used for abutting against an arm part 15 of the lock 12 of the adapter, the limiting opening 9 is used for receiving a clamping tongue part 16 of the lock 12 of the adapter 11, and a gap reserved between the step 6 and the movable part 8 is used for allowing the clamping tongue part 16 of the lock 12 of the adapter 11 to pass through the step 6 and enter the limiting opening 9;
in this way, the step 16 catches the latch part 16 of the adapter latch 12 and limits the latch part 16 of the adapter latch 12 away from the main housing 5 through the limiting opening 9, so that the optical fiber connector is fixed on the adapter 11; specifically, when the optical fiber connector is inserted into the adapter 11, the arm portion 15 bends outward, the latch portion 16 abuts against the movable portion 8 and pushes the movable portion 8 to move backward until the latch portion 16 passes over the step 6 and hooks the step 6, at this time, the arm portion 15 rebounds and the movable portion 8 returns to the original position, and the limiting opening 9 is clamped to limit the latch portion 16 from moving outward, so that the optical fiber connector is fixed on the adapter 11.
When the optical fiber connector is fixed on the adapter 11, the tail sleeve part 17 is pulled backwards to drive the movable part 8 to move backwards, so that the limiting opening 9 is separated from the clamping tongue part 16 of the clamping lock 12 of the adapter 11, and the clamping tongue part 16 passes over the step 6 so as to separate the optical fiber connector from the adapter 11; specifically, when the optical fiber connector fixed on the adapter 11 is pulled out, pulling the tail sleeve portion 17 moves the movable portion 8 backward, so that the position-limiting opening 9 is separated from the latch portion 16, and the arm portion 15 bends outward, so that the latch portion 16 goes over and is separated from the step 6, thereby separating the optical fiber connector from the adapter 11.
It may be provided for said main housing 5 to comprise a front body 19 and a rear body 20, said front body 19 and said rear body 20 being removably fixed by a fixing portion 21; specifically, the fixing portion 21 is provided with a bayonet and a hook on the wider side; the step 6 is provided on the front body 19, and the first elastic piece abutting portion 7 is provided on the rear body 20; the front body 19 is a cavity for housing the spring 2 and ferrule 1, and the rear body 20 is used to close the cavity, thereby imparting resilient capability to the ferrule 1.
The arrangement for the movable part 8 and the main housing 5 may be:
at least one part of the movable part 8 is sleeved on the front main body 19, and the limit position of the movable part 8 close to the step 6 is limited by the head; the movable part 8 is integrally similar to a sleeve-shaped structure and is sleeved on the front main body 19 to move back and forth; because of being a whole, the limiting openings 9 on both sides are arranged on the movable part 8 of the whole.
the slide 22 allows the movable portion 8 to be inserted from the rear end and stopped at the front end of the slide 22 to define the limit position of the movable portion 8 near the step 6, and the second elastic member abutting portion 13 is provided at the rear end surface of the guide rail 23, so that two independent movable portions 8 are provided, which theoretically makes it possible to make the optical fiber connector thinner to arrange more optical fiber connectors in a limited space.
In addition, because of the dual core and the symmetrical design, as shown in fig. 11, 12, 15 and 16, a polar block 24 is further included or may be called a fool-proof block, and the polar block 24 is provided on the movable portion 8 or the main housing 5, preferably on the movable portion 8, so as to save space; specifically, the polar block 24 is provided with only one, and corresponds to the step 6 on one side, which is provided on only one side so that the ferrule 1 close to or far from the polar block 24 can be distinguished, thereby distinguishing the polarity; the polar block 24 is provided at one side corresponding to the step 6.
The utility model also provides an optical fiber connector system,
the structure of the optical fiber connector is similar to that of the optical fiber connector, and the description is not repeated here, and the optical fiber connector further comprises:
an adapter 11 including a latch 12, the latch 12 including an arm portion 15 and a latch portion 16, the arm portion 15 being capable of elastically bending and rebounding to an outer side;
when the optical fiber connector is inserted into the adapter 11, the arm 15 bends outward, the latch part 16 abuts against the movable part 8 and pushes the movable part 8 to move backward until the latch part 16 passes over the step 6 and hooks the step 6, at this time, the arm 15 rebounds and the movable part 8 returns to the original position and limits the latch part 16 through the limiting opening 9, so that the optical fiber connector is fixed on the adapter 11;
when the optical fiber connector fixed on the adapter 11 is pulled out, the tail sleeve part 17 is pulled to drive the movable part 8 to move backwards, so that the limiting opening 9 is separated from the clamping tongue part 16, the optical fiber connector moves outwards, the step 6 bends the arm part 15 outwards, and the clamping tongue part 16 passes over and is separated from the step 6, so that the optical fiber connector is separated from the adapter 11.
The utility model also provides a polarity-variable optical fiber connector system,
the optical fiber connector structure is similar to the above, and will not be described again, and further includes an adapter 11;
as shown in fig. 17, the adapter 11 includes an adapter housing and a latch 25;
the top and the bottom of the shell of the adapter 11 are provided with an upper slideway 26 and a lower slideway 27 corresponding to the polar block 24, and the fixture block 25 is detachably arranged on the upper slideway 26 or the lower slideway 27.
In use, the latch 25 is positioned on the upper or lower slide 26, 27 so that the adapter with the polarity block 24 can only be inserted in one of the top or bottom positions, thus limiting the polarity of the fiber optic connector when inserted; if the polarity needs to be changed, the clamping block 25 is detached and changed to the other side, and then the optical fiber connector is reversely inserted; when in use, the fixture block 25 is arranged on the lower slideway 27 at the bottom, and the upper slideway 26 is in a first polarity when correspondingly matched with the polarity block 24 of the optical fiber connector; when the fixture block 25 is disposed on the top upper slide 26, the lower slide 27 is in the second polarity when correspondingly fitted with the polarity block 24 of the optical fiber connector.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications, equivalents, improvements and the like can be made in the technical solutions of the foregoing embodiments or in some technical features of the foregoing embodiments, but all modifications, equivalents, improvements and the like within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. An optical fiber connector, characterized by:
the method comprises the following steps:
the optical fiber connector comprises at least two ceramic ferrules, wherein the ceramic ferrules are arranged on the same plane, and each ceramic ferrule is used for supporting an optical fiber;
a main housing having a front end and a rear end, the ferrule extending from the front end; the main shell is provided with steps, and the steps are intersected with the plane where each ceramic ferrule is located; the rear end is provided with a first elastic part abutting part;
the front end of the movable part is provided with a limit opening matched with the step, the rear part of the movable part is provided with a connecting part, and the main body of the movable part is provided with a second elastic part abutting part; the movable part can move back and forth along the main shell to enable the limit port to be close to or far away from the step, and when the movable part is located at the limit position close to the step, a gap is reserved between the step and the movable part;
an elastic member provided between the first elastic member abutting portion and the second elastic member abutting portion;
the tail sleeve part is arranged at the rear part of the main shell and is relatively fixed with the movable part through the connecting part, and the tail sleeve part can move backwards to drive the movable part.
2. The fiber optic connector of claim 1, wherein:
the main housing includes a front body and a rear body detachably fixed by a fixing portion; the step is provided on the front body, and the first elastic member abutting portion is provided on the rear body.
3. The fiber optic connector of claim 2, wherein:
the front main body is provided with a head;
at least one part of the movable part is sleeved on the front main body, and the head part limits the limit position of the movable part close to the step.
4. The fiber optic connector of claim 2, wherein:
the rear part of the front main body is provided with a slide way;
the movable part is integrally strip-shaped and is provided with a guide rail matched with the slide way;
the slide allows the movable portion to be inserted from the rear end and to stop at the front end of the slide to define the extreme position of the movable portion near the step.
5. The fiber optic connector of claim 4, wherein:
the second elastic piece abutting part is arranged on the rear end face of the guide rail.
6. The optical fiber connector according to any one of claims 1 to 5, wherein:
the steps are arranged on two sides of the main shell;
the movable part is arranged corresponding to the step.
7. The fiber optic connector of claim 6, wherein:
the polar block is arranged on the movable part or the main shell;
the polar block is arranged on one side part corresponding to the step.
8. The optical fiber connector according to any one of claims 1 to 5, wherein:
the step is used for abutting against an arm part of the lock of the adapter, the limiting opening is used for receiving a clamping tongue part of the lock of the adapter, and a gap reserved between the step and the movable part is used for allowing the clamping tongue part of the lock of the adapter to pass through the step and enter the limiting opening;
the step hooks the clamping tongue part of the clamping lock of the adapter and limits the clamping tongue part of the clamping lock of the adapter to be far away from the main shell through the limiting port, so that the optical fiber connector is fixed on the adapter;
when fiber connector fixes on the adapter, through pulling backward tail cover portion drives the movable part removes backward, makes spacing mouth breaks away from the latch portion of the kayser of adapter, thereby the latch portion of the kayser of adapter can cross the step makes fiber connector break away from the adapter.
9. An optical fiber connector system, characterized by:
comprising an optical fiber connector according to any one of claims 1 to 6, and
an adapter including a latch including an arm portion and a latch tongue, the arm portion being elastically bendable and resilient to an outside;
when the optical fiber connector is inserted into the adapter, the arm part bends outwards, the clamping tongue part is abutted against the movable part and pushes the movable part to move backwards until the clamping tongue part passes the step and hooks the step, at the moment, the arm part rebounds and the movable part returns to the limit position close to the step and limits the clamping tongue part through the limiting opening, and therefore the optical fiber connector is fixed on the adapter;
when the optical fiber connector fixed on the adapter is pulled out, the tail sleeve part is pulled to drive the movable part to move backwards, so that the limiting opening is separated from the clamping tongue part, the arm part bends outwards, the clamping tongue part passes over and is separated from the step, and the optical fiber connector is separated from the adapter.
10. A polarity-changing fiber optic connector system, comprising:
including the optical fiber connector of any one of claims 1 to 6, and one side portion corresponding to the step is provided with a polarity block, and an adapter;
the adapter comprises an adapter shell and a fixture block;
the top and the bottom of the adapter shell are provided with an upper slideway and a lower slideway corresponding to the polar blocks, and the clamping blocks are detachably arranged on the upper slideway or the lower slideway;
when the optical fiber connector is used, the clamping block is arranged on the lower slideway, and the first polarity is formed when the upper slideway is correspondingly matched with the polarity block of the optical fiber connector; when the clamping block is arranged on the upper slideway, the lower slideway is in a second polarity when correspondingly matched with the polarity block of the optical fiber connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395536.3U CN214474093U (en) | 2021-02-22 | 2021-02-22 | Optical fiber connector, optical fiber connector system and polarity-changing optical fiber connector system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120395536.3U CN214474093U (en) | 2021-02-22 | 2021-02-22 | Optical fiber connector, optical fiber connector system and polarity-changing optical fiber connector system |
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| Publication Number | Publication Date |
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| CN214474093U true CN214474093U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120395536.3U Active CN214474093U (en) | 2021-02-22 | 2021-02-22 | Optical fiber connector, optical fiber connector system and polarity-changing optical fiber connector system |
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| Country | Link |
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| CN (1) | CN214474093U (en) |
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2021
- 2021-02-22 CN CN202120395536.3U patent/CN214474093U/en active Active
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