CN210742556U - Drop optical fiber connector and socket adaptive to neutral optical contact element - Google Patents
Drop optical fiber connector and socket adaptive to neutral optical contact element Download PDFInfo
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- CN210742556U CN210742556U CN201922006964.8U CN201922006964U CN210742556U CN 210742556 U CN210742556 U CN 210742556U CN 201922006964 U CN201922006964 U CN 201922006964U CN 210742556 U CN210742556 U CN 210742556U
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Abstract
The utility model relates to a drop optical fiber connector of a fitting neutral optical contact element, which comprises a plug and a socket, wherein the front end of the plug is butted with the socket, and a plug metal shell is fixed in a spline shell through a retainer ring; the outer peripheral surface of the spline shell is also provided with a ceramic bead groove and a clamping groove provided with a check ring II, and the front side of the check ring II is stopped by the check ring I; an inner boss in stop fit with the rear end face of the boss on the outer peripheral face of the spline shell is arranged in a connecting nut sleeved outside the spline shell, and an elastic piece is arranged between the inner boss and the retainer ring I in a pressing mode; the socket metal shell is fixed in the square disc shell through a clamping ring II; an annular groove for mounting a corrugated spring is also formed in the square disc shell; the cylindrical wall body at the front end of the square disc shell is also provided with a plurality of ceramic bead holes for mounting ceramic beads; more than one neutral contact mounting hole is formed in each of the plug metal shell and the socket metal shell; the front end of the socket metal shell is fixedly provided with a hole which is internally provided with a neutral contact mounting hole and a packaging metal shell of which the hole is internally provided with a ceramic sleeve.
Description
Technical Field
The invention belongs to the technical field of optical fiber connectors, and particularly relates to a shedding optical fiber connector which has a ceramic bead self-locking function and is matched with a neutral optical contact element.
Background
The existing optical fiber connector generally comprises a plug and a socket, wherein the plug and the socket are connected in a threaded or bayonet manner through a connecting nut during plugging, and the requirement of instantaneous shedding cannot be met by the connecting mode. The push-pull structure is widely applied to an electric connector, the relative rotation quantity between the plug and the socket of the connector is large, the influence of vibration on the insertion loss variation quantity is large when the optical contact element is arranged inside the plug and the socket, and the reliability of a product is poor.
Disclosure of Invention
For the above-mentioned demand of solving current product, the utility model provides a fiber connector that drops with neutral contact of ceramic pearl self-locking function, adaptation.
The purpose of the utility model and the technical problem to be solved are realized by adopting the following technical scheme. According to the utility model provides a drop optical fiber connector of adaptation neutral optical contact, including plug and socket of front end butt joint, wherein the plug includes the spline casing, fixes plug metal casing and neutral contact in the spline casing through the rand; the outer peripheral surface of the spline shell is also provided with a ceramic bead groove and a clamping groove provided with a check ring II, and the front side of the check ring II is stopped by the check ring I; an inner boss in stop fit with the rear end face of the boss on the outer peripheral face of the spline shell is arranged in a connecting nut sleeved outside the spline shell, and an elastic piece is arranged between the inner boss and the retainer ring I in a pressing mode; the socket comprises a square disc shell, a socket metal shell and a neutral contact piece, wherein the socket metal shell is fixed in the square disc shell through a clamping ring II; an annular groove for installing a ripple spring which is matched with the metal shell of the socket to prevent axial movement is also arranged in the square disc shell; the cylindrical wall body at the front end of the square disc shell is also provided with a plurality of ceramic bead holes for mounting ceramic beads; more than one neutral contact mounting hole is formed in each of the plug metal shell and the socket metal shell; and a packaging metal shell is fixed at the front end of the socket metal shell, a hole communicated with the neutral contact mounting hole is formed in the packaging metal shell, and a ceramic sleeve for guiding the central contact pin is arranged in the hole.
The purpose of the present invention and the technical problem thereof can be further achieved by the following technical measures.
In the drop-off optical fiber connector adapted to the neutral optical contact element, the neutral contact element is fixed in the mounting hole through the collar, the spring is arranged in the contact element, the anti-rotation key is arranged outside the contact element, and the groove extending in the axial direction and allowing the anti-rotation key to penetrate through is arranged in the mounting hole of the neutral contact element.
In the drop-off optical fiber connector adapted to the neutral optical contact, the step surface on the outer peripheral surface of the metal shell of the plug is blocked on the rear end surface of the boss in the spline shell.
In the drop-off optical fiber connector adapted to the neutral optical contact, the stepped surface on the outer peripheral surface of the metal shell of the socket is in stop fit with the rear end surface of the inner boss on the square disc shell.
In the drop optical fiber connector adapted to the neutral optical contact, a wire sealing body for sealing the neutral optical contact is arranged at the tail of the neutral optical contact, and the wire sealing body is fixed with the plug or the socket component in a glue filling manner.
In the drop optical fiber connector adapted to the neutral optical contact element, the packaged metal shell is formed by buckling two metal shells with the same hole position through a special process, and the opposite ends of the two metal shells are provided with inward-turned edges for realizing the stop and limit of the ceramic sleeve.
In the drop-off optical fiber connector adapted to the neutral optical contact, an outer contour of the front end of the square disc housing of the receptacle is in a stepped shaft shape with a small front and a large rear, and the front end of the connection nut is provided with a sleeve joint part which is used for being matched with the outer peripheral surface of the front end of the large-diameter end of the square disc housing to enhance the vibration resistance of the connection nut.
In the drop optical fiber connector adapted to the neutral optical contact element, a groove for installing a sealing ring for sealing between the spline housing and the square disc housing is further formed in the square disc housing.
According to the shedding optical fiber connector matched with the neutral optical contact piece, the tail part of the connecting nut is provided with the pull handle, the steel wire rope penetrates through the pull handle to be prevented from shedding in a crimping mode, and the shedding function of the connector is realized by pulling the pull pin.
The purpose of the utility model and the technical problem to be solved are realized by adopting the following technical scheme. According to the utility model provides a drop optical fiber connector socket of adaptive neutral optical contact element, which comprises a square disc shell, a socket metal shell and a neutral contact element, wherein the socket metal shell and the neutral contact element are fixed in the square disc shell through a clamping ring II; an annular groove for installing a ripple spring which is matched with the metal shell of the socket to prevent axial movement is also arranged in the square disc shell; the cylindrical wall body at the front end of the square disc shell is also provided with a plurality of ceramic bead holes for mounting ceramic beads; more than one neutral contact mounting hole is formed in each socket metal shell; and a packaging metal shell is fixed at the front end of the socket metal shell, a hole communicated with the neutral contact mounting hole is formed in the packaging metal shell, and a ceramic sleeve for guiding the central contact pin is arranged in the hole.
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 discloses changed the structural style of the inside contact of connector, adjusted the electric contact that connects the electric connector into the mature neutral light contact of technique to improve its structure, made the product have following characteristics: the outer parts of the ceramic beads are connected through a ceramic bead push-pull structure, so that the requirement of instantaneous shedding can be met; a neutral optical contact is arranged in the optical connector, and through the optimized design, the processing cost is reduced, the vibration amplitude is reduced, the loss in the optical signal transmission process is reduced, and the reliability is improved; the neutral optical contact piece is provided with a spring, so that the adaptability of the neutral optical contact piece is improved.
In conclusion, the push-pull structure and the neutral optical contact element are combined through design, so that the requirement that a customer drops the optical fiber connector is met; according to the invention, through the optimized design, the processing cost is reduced, and the processing period is shortened; the reliability of the neutral optical connector for transmitting optical signals is ensured through the characteristics of the neutral optical connector and the internal structure design of the product. The tail attaches can be attached with other types of tail of the same specification and carry out the interchange, makes the connector that drops have good adaptability.
Drawings
Fig. 1 is a schematic diagram of a plug structure of a drop-off optical fiber connector adapted to a neutral optical contact according to the present invention;
FIG. 2 is a schematic diagram of a drop-off fiber optic connector receptacle of the adaptive neutral optical contact of the present invention;
fig. 3 is a schematic structural view of a drop-off optical fiber connector adapted to a neutral optical contact according to the present invention;
FIG. 4 is an enlarged view of I of FIG. 3;
FIG. 5 is a schematic view of a drop-off fiber optic connector contact adapted to a neutral optical contact of the present invention;
FIG. 6 is a schematic diagram of the structure of the detached optical fiber connector package metal shell of the adaptive neutral optical contact of the present invention;
FIG. 7 is a schematic view of the contact mounting for a drop-off fiber optic connector of the adaptive neutral optical contact of the present invention;
fig. 8 is a schematic diagram of an attachment at the tail of a drop-off fiber optic connector adapted to a neutral optical contact according to the present invention;
fig. 9 is a schematic diagram of the plug outer housing of the adaptive neutral optical contact for the coming-off optical fiber connector of the present invention.
[ description of main element symbols ]
1.1: spline housing
1.1.2: ceramic bead groove
1.1.3: clamping groove
1.2: connecting nut
1.3: metal shell of plug
1.4: elastic piece
1.5: clamping ring
1.6: check ring I
1.7: retainer ring II
1.8: first wire sealing body
1.9 Steel wire rope
2.1 second wire-sealing body
2.2 socket Metal case
2.3 Square dish casing
2.4 collar I
2.5 clamping ring II
2.6 corrugated spring
2.7 sealing ring
2.8 guide pins
2.9 ceramic beads
3: neutral contact
3.1 bond
3.2 spring
4.1 ceramic bushing
4.2 encapsulating the Metal casing
4.3 screw
5 the tail is attached with
5.1 connecting nut
5.2 clamping ring
5.3 sleeve
5.4 pressing plate
5.5 screw
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 embodiments, structures, features and effects of the coming-off optical fiber connector adapted to the neutral optical contact according to the present invention with reference to the accompanying drawings and preferred embodiments.
Please refer to fig. 1-9, which are the optical fiber connector adapted to drop from a neutral optical contact according to the present invention, the connector includes a plug and a socket with opposite insertion at the front end, wherein the plug includes a spline housing 1.1, a plug metal housing 1.3 is disposed in the spline housing 1.1, and a boss at the inner side thereof is blocked on the step surface of the outer peripheral surface of the plug metal housing to prevent the metal housing 1.3 from moving forward. The spline housing 1.1 is provided with a clamping ring groove, and the plug metal housing 1.2 is fixed in the spline housing 1.1 through a clamping ring 1.5. In the embodiment of the present invention, the upper end of the retainer ring 1.5 is embedded in the retainer ring groove on the inner peripheral surface of the spline housing, and the lower end is embedded in the retainer ring groove on the outer peripheral surface of the metal housing.
Still be equipped with ceramic pearl groove 1.1.2 and draw-in groove 1.1.3 on the spline casing 1.1 outer peripheral face, be equipped with retaining ring II 1.7 in the draw-in groove 1.1.3, retaining ring I1.6 is equipped with to retaining ring II 1.7 one side. The connecting nut 1.2 is sleeved outside the spline shell 1.1 and is internally provided with an inner boss in stop fit with the rear end face of the boss on the peripheral surface of the spline shell, and an elastic piece 1.4 is arranged between the inner boss and the retainer ring I1.6 in a pressing mode. The tail of the connecting nut 1.2 is also provided with a pull handle, and the steel wire rope 1.9 penetrates through the pull handle of the connecting nut 1.2 to be prevented from falling off in a compression joint mode. In an embodiment of the invention, the elastic element is arranged to provide a forward force to the coupling nut.
More than one neutral contact mounting hole is formed in the plug metal shell, and the first wire sealing body 1.8 at the tail end of the contact is fixed with the plug metal shell 1.3 and the spline shell 1.1 in a viscose potting mode.
The socket comprises a square disc shell 2.3 and a socket metal shell 2.2, wherein the socket metal shell 2.2 is fixed inside the square disc shell 2.3 through a clamping ring II 2.5, and the inner peripheral surface of the square disc shell 2.3 is provided with an inner boss used for being stopped in front of a step surface on the outer peripheral surface of the socket metal shell 2.2 and preventing the metal shell from moving forwards. The upper end of the clamping ring II 2.5 is positioned in a clamping ring groove in the square disc shell, and the lower end of the clamping ring II is positioned in a clamping ring groove on the peripheral surface of the socket metal shell 2.2.
An annular groove is further formed in the square disc shell 2.3, a corrugated spring 2.6 is arranged in the annular groove, and when the connector is inserted, the corrugated spring is abutted against the front end of the plug metal shell to play a role in preventing axial movement. Still be equipped with the groove of installation sealing washer 2.7 that is used for realizing sealing between spline casing 1.1 and the square disk casing 2.3 in the square disk casing 2.3.
The cylindrical wall body at the front end of the square disc shell 2.3 is also provided with a plurality of ceramic bead holes, and the ceramic beads 2.9 are riveted in the ceramic bead holes of the square disc shell through special tools. Preferably, the ceramic beads 2.9 are made of zirconia.
And the tail part of the square disc shell 2.3 is reserved with a thread and a circumferential key for assembling a tail attachment.
The socket metal shell 2.2 is provided with more than 1 mounting hole for neutral contact elements, and the second wire sealing body 2.1 which is fixed with the socket metal shell 2.2 and the square disc shell 2.3 in a viscose potting mode seals cables at the tail ends of the contact elements.
The neutral contact is fixed in a neutral contact mounting hole in the plug or socket metal shell through a clamping ring. The upper end of the retainer ring is embedded in the metal shell, and the lower end of the retainer ring is stopped on a step surface on the neutral contact piece, so that the neutral contact piece is prevented from retreating.
In the embodiment of the utility model provides an in, there is spring 3.2 neutral contact inside, through the compression of spring, increases its adaptability. Be equipped with on the neutral contact and prevent changeing key 3.1, be equipped with in the mounting hole in the metal casing and supply this to prevent changeing the groove that extends along the axial that key 3.1 passed, make neutral contact 3 irrotational at the in-process of vibration through preventing the cooperation in key and groove to guarantee the stability of end face contact, improve the reliability of transmitting light signal.
The front end of the socket metal shell 2.2 is fixed with a packaging metal shell 4.2, a hole communicated with the neutral contact mounting hole is formed in the packaging metal shell 4.2, a ceramic sleeve 4.1 used for containing a contact pin of the contact is arranged in the hole, when the connector is plugged, the ceramic sleeve 4.1 guides the pin of the neutral contact in the plug socket, the stability of the neutral optical contact 3 for transmitting optical signals is improved, and the stable transmission of the signals is realized. Encapsulation metal casing 4.2 is formed through special technology (like bonding, screw rigid coupling etc.) lock by the metal casing that two hole sites are the same, and ceramic bushing both ends are stopped respectively in the enstrophe edge of ceramic mounting hole in metal casing, realize ceramic bushing's spacing. The packaging metal shell 4.2 is also internally packaged with a screw 4.3, the screw 4.3 is embedded into the packaging metal shell 4.2 through a special process, can be mounted on the plug metal shell 1.3 or the socket metal shell 2.2, and has the advantages of strong adaptability, convenience in disassembly and strong maintainability.
When the plug and the socket of the utility model are inserted, the connecting nut 1.2 moves rightwards under the action of external force to compress the elastic part 1.4, the ceramic bead groove 1.1.2 is exposed, the ceramic bead 2.9 falls into the ceramic bead groove 1.1.2 when the plug and the socket are inserted in place, after the connecting nut 1.2 is loosened, the connecting nut 1.2 is rebounded under the action of the elastic part 1.4, the ceramic bead 2.9 is limited in the ceramic bead groove, and a self-locking structure is formed between the connecting nut 1.2 and the square disc shell 2.3; the spline shell and the square disc shell limit the separation of the ceramic beads through the connecting nuts to form a self-locking structure.
When the pull pin is pulled rightwards instantly, the steel wire rope 1.9 pulls the connecting nut 1.2 to compress the elastic piece 1.4 to move rightwards, the limit of the ceramic bead 2.9 is released and is separated from the ceramic bead groove 1.1.2 under the action of force, and the instant falling is realized. The embodiment of the utility model provides an in, socket square plate casing front end outline is big shoulder shaft form in the front and back, and the ceramic pearl is established at the path end, and 2 front ends of coupling nut have be used for with the cooperation of this square plate casing big path end front end outer peripheral face in order to strengthen the portion of cup jointing of coupling nut's shock resistance. The sleeving part is sleeved on the outer peripheral surface of the large-diameter end of the square disc shell, and when the connector vibrates, the sleeving part is matched with the square disc shell, so that the purpose of reducing the vibration amplitude can be achieved. And a groove is also arranged between the inner side sleeve joint part of the connecting nut and the locking part of the rear side of the connecting nut, which is used for being matched and locked with the small-diameter end at the front end of the square disc shell, and is used for guiding the ceramic beads to realize a self-locking function.
The utility model discloses when plug, socket are inserted, discern through single bond 1.1.1 on the spline casing 1.1 and square disc casing 2.3 at first, pilot pin 2.8 carries out the secondary and discerns to lead and play and prevent changeing the effect, improves the stability of the optical signal transmission after neutral contact inserts to close in place.
In the embodiment of the present invention, the tail 5 comprises: a connecting nut 5.1, a collar 5.2, a sleeve 5.3, a pressure plate 5.4 and a screw 5.5. The tail accessory is in threaded connection with the spline shell 1.1 through a connecting nut 5.1, keys which are uniformly distributed on the circumference are arranged at the front end of the sleeve 5.3 and matched with the keys at the tail part of the spline shell 1.1 to prevent rotation, and the pressure plate 5.5 is connected with the sleeve 5.3 through a screw 5.4; the tag 5 may be interchangeable with other types of tags.
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 (10)
1. The utility model provides a neutral optical contact's of adaptation fibre connector that drops which characterized in that: the plug comprises a plug and a socket, wherein the front end of the plug is butted with the front end of the socket, the plug comprises a spline shell, a plug metal shell and a neutral contact piece, and the plug metal shell is fixed in the spline shell through a clamping ring;
the outer peripheral surface of the spline shell is also provided with a ceramic bead groove and a clamping groove provided with a check ring II, and the front side of the check ring II is stopped by the check ring I;
an inner boss in stop fit with the rear end face of the boss on the outer peripheral face of the spline shell is arranged in a connecting nut sleeved outside the spline shell, and an elastic piece is arranged between the inner boss and the retainer ring I in a pressing mode;
the socket comprises a square disc shell, a socket metal shell and a neutral contact piece, wherein the socket metal shell is fixed in the square disc shell through a clamping ring II;
an annular groove for installing a ripple spring which is matched with the metal shell of the socket to prevent axial movement is also arranged in the square disc shell;
the cylindrical wall body at the front end of the square disc shell is also provided with a plurality of ceramic bead holes for mounting ceramic beads;
more than one neutral contact mounting hole is formed in each of the plug metal shell and the socket metal shell;
and a packaging metal shell is fixed at the front end of the socket metal shell, a hole communicated with the neutral contact mounting hole is formed in the packaging metal shell, and a ceramic sleeve for guiding the central contact pin is arranged in the hole.
2. The drop fiber connector of a mating neutral optical contact of claim 1, wherein: the neutral contact piece is fixed in the mounting hole through the clamping ring, a spring is arranged in the contact piece, an anti-rotation key is arranged outside the contact piece, and a groove which is used for the anti-rotation key to penetrate and extends along the axial direction is arranged in the mounting hole of the neutral contact piece.
3. The drop fiber connector of a mating neutral optical contact of claim 1, wherein: the step surface on the outer peripheral surface of the plug metal shell is blocked on the rear end surface of the boss in the spline shell.
4. The drop fiber connector of a mating neutral optical contact of claim 1, wherein: the stepped surface on the outer peripheral surface of the socket metal shell is matched with the rear end surface of the inner boss on the square disc shell in a blocking way.
5. The drop fiber connector of a mating neutral optical contact of claim 1, wherein: the tail of the neutral contact piece is also provided with a wire sealing body for realizing the sealing of the neutral contact piece, and the wire sealing body is fixed with the plug or socket part in a glue filling mode.
6. The drop fiber connector of a mating neutral optical contact of claim 1, wherein: the packaging metal shell is formed by buckling two metal shells with the same hole site, and the back ends of the two metal shells are respectively provided with an inward turning edge for realizing the stop and limit of the ceramic sleeve.
7. The drop fiber connector of a mating neutral optical contact of claim 1, wherein: the outer contour of the front end of the square disc shell of the socket is in a stepped shaft shape with a small front part and a large rear part, and the front end of the connecting nut is provided with a sleeve joint part which is used for being matched with the outer peripheral surface of the front end of the large-diameter end of the square disc shell to enhance the anti-vibration capability of the connecting nut.
8. The drop fiber connector of a mating neutral optical contact of claim 1, wherein: and a groove for installing a sealing ring for realizing sealing between the spline shell and the square disc shell is also arranged in the square disc shell.
9. The drop fiber optic connector of a mating neutral optical contact of any one of claims 1-8, wherein: the tail of the connecting nut is provided with a pull handle, the steel wire rope penetrates through the pull handle to be prevented from falling off in a compression joint mode, and the falling-off function of the connector is realized by pulling the pull pin.
10. The utility model provides a neutral optical contact's of adaptation fibre connector socket that drops which characterized in that: the socket comprises a square disc shell, a socket metal shell and a neutral contact element, wherein the socket metal shell and the neutral contact element are fixed in the square disc shell through a clamping ring II;
an annular groove for installing a ripple spring which is matched with the metal shell of the socket to prevent axial movement is also arranged in the square disc shell;
the cylindrical wall body at the front end of the square disc shell is also provided with a plurality of ceramic bead holes for mounting ceramic beads;
more than one neutral contact mounting hole is formed in each socket metal shell;
and a packaging metal shell is fixed at the front end of the socket metal shell, a hole communicated with the neutral contact mounting hole is formed in the packaging metal shell, and a ceramic sleeve for guiding the central contact pin is arranged in the hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006964.8U CN210742556U (en) | 2019-11-19 | 2019-11-19 | Drop optical fiber connector and socket adaptive to neutral optical contact element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922006964.8U CN210742556U (en) | 2019-11-19 | 2019-11-19 | Drop optical fiber connector and socket adaptive to neutral optical contact element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210742556U true CN210742556U (en) | 2020-06-12 |
Family
ID=71005774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922006964.8U Active CN210742556U (en) | 2019-11-19 | 2019-11-19 | Drop optical fiber connector and socket adaptive to neutral optical contact element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210742556U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180516A (en) * | 2020-09-28 | 2021-01-05 | 上海航天科工电器研究院有限公司 | Multicore rectangle fiber connector |
-
2019
- 2019-11-19 CN CN201922006964.8U patent/CN210742556U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180516A (en) * | 2020-09-28 | 2021-01-05 | 上海航天科工电器研究院有限公司 | Multicore rectangle fiber connector |
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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. |
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