CN209281007U - A kind of glue injection machine of optical fiber connector - Google Patents
A kind of glue injection machine of optical fiber connector Download PDFInfo
- Publication number
- CN209281007U CN209281007U CN201822256234.9U CN201822256234U CN209281007U CN 209281007 U CN209281007 U CN 209281007U CN 201822256234 U CN201822256234 U CN 201822256234U CN 209281007 U CN209281007 U CN 209281007U
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- China
- Prior art keywords
- glue
- optical fiber
- section
- fiber connector
- injection machine
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Abstract
The utility model relates to the connection of the ceramic insertion core of optical fiber connector and optical fiber, in particular to a kind of glue injection machine of optical fiber connector.A kind of glue injection machine of optical fiber connector, attachment cap including being set to the front end of ceramic insertion core for removable set, the attachment cap is with the socket section for cooperating with the forward end seal of ceramic insertion core and the injecting glue section being connected with socket section, glue channel is equipped in the injecting glue section and glue channel is communicated with socket section, what the injecting glue section was equipped with the front end face for glue to be pushed to ceramic insertion core pushes away glue part, in being equipped with gas vent close to the position of socket section on the side wall of the injecting glue section.Glue injection machine in using the above scheme easily can carry out gluing by the ceramic insertion core front end face to optical fiber connector, be convenient for field operation.
Description
Technical field
The utility model relates to the connections of the ceramic insertion core of optical fiber connector and optical fiber, the in particular to note of optical fiber connector
Glue device.
Background technique
Optical fiber connector is the device being detachably connected between optical fiber and optical fiber, its two end face precision optical fiber
Docking is got up, so that the light energy of launching fiber output can be coupled in reception optical fiber to the maximum extent, and makes to be situated between due to it
Enter optical link face and influence to minimize caused by system, this is the basic demand to optical fiber connector.
Existing optical fiber connector generally comprises connector shell, and the front of connector shell is equipped with ferrule assembly, lock pin
Component structure as disclosed in the Chinese utility model patent that Authorization Notice No. is CN104317010B, including ceramic insertion core and optical cable
Ceramic insertion core caudal peduncle, the optical fiber stripped out after optical cable fiber stripping are inserted into the fiber optic hub of ceramic insertion core, and optical cable is fixed by glue
In the space reserved in optical cable ceramic insertion core caudal peduncle.
After optical fiber in the prior art is fixed on optical cable ceramic insertion core caudal peduncle, need optical fiber stretching out ceramic insertion core front end
The part in face is removed by grinding, since fiber strength is poor, be easy to cause optical fiber impaired if direct grinding, therefore
The gluing on the front end face of ceramic insertion core is needed before grinding, and optical fiber is helped by the glue after solidifying, when grinding, optical fiber
Extension and solidification after colloid be removed.
The gluing of ceramic insertion core front end face is carried out manually mostly in factory at present, since the diameter of ceramic insertion core is smaller,
And need keep cleaning, in order to avoid glue is applied to the side of ceramic insertion core, generally by syringe injection mode or
Glue is applied on the front end face of ceramic insertion core by the glue discharging mouth of person's glue bottle, and certainly, few part glue can also enter pottery
The front end of fiber optic hub on porcelain lock pin.Before gluing operation, glue needs to be previously charged into syringe or glue bottle, and still, ceramics are inserted
The diameter of core is smaller, with trial of strength also very little, for accurately gluing and avoids the waste of glue, existing injecting glue mode is uncomfortable
Close execute-in-place.
Utility model content
The purpose of this utility model is to provide a kind of glue injection machine of optical fiber connector, can convenient for optical fiber connector into
Row scene injecting glue.
To achieve the above object, the technical solutions adopted are as follows for the glue injection machine of optical fiber connector provided by the utility model.
A kind of glue injection machine of optical fiber connector, the attachment cap of the front end including being set to ceramic insertion core for removable set are described
Attachment cap is with the socket section for cooperating with the forward end seal of ceramic insertion core and the injecting glue section being connected with socket section, the injecting glue
Glue channel is equipped in section and glue channel is communicated with socket section, and the injecting glue section is equipped with for pushing glue to ceramic insertion core
Front end face push away glue part, in close to the position of socket section being equipped with gas vent on the side wall of the injecting glue section.
The utility model has the advantages that the attachment cap of glue injection machine can sealing shroud be set to the front end of ceramic insertion core, thus to ceramic insertion core
Side is protected, and glue is avoided to enter side, meanwhile, push away the glue in the injecting glue section that glue can be passed through attachment cap by glue part
Aquaporin pushes the front end face of ceramic insertion core to, and gas vent can guarantee that glue smoothly reaches the front end face of ceramic insertion core, thus real
Now to the gluing operation of ceramic insertion core front end face, pulling out attachment cap and glue cap from ceramic insertion core after the completion of gluing can be into
Row subsequent job, and glue can be stored in and push away in glue part or glue channel, and it is built-in to syringe or glue bottle not need scene
Enter glue, it is easy to use, it is convenient for field operation.
As a kind of perferred technical scheme, the glue part that pushes away is to be slidingly sealed the glue cap being set in injecting glue section, institute
Glue cap is stated with the inner cavity for accommodating glue.
The utility model has the advantages that enough glue can be accommodated using glue cap, it is also beneficial to shorten the entire length of glue injection machine；And
And glue cap is located at outside attachment cap and enables to injecting glue operation more convenient.
As a kind of perferred technical scheme, sealing ring is equipped between the injecting glue section and glue cap.
The utility model has the advantages that setting sealing ring preferably avoids glue from flowing out convenient for guaranteeing sealing performance.
As a kind of perferred technical scheme, the internal diameter of the glue channel is less than the internal diameter of socket section, and the two connects
Place forms the annular step surface of the front end face docking for ceramic insertion core towards rear.
The utility model has the advantages that setting annular step surface can the outer peripheral surface to ceramic insertion core preferably protected, avoid glue
Pollute the outer peripheral surface of ceramic insertion core.
As a kind of perferred technical scheme, the annular step surface is for kissing with the ceramic insertion core with APC end face
The inclined-plane of conjunction.
The utility model has the advantages that the ceramic insertion core with APC end face can be better adapted to using the structure, this kind of ceramics is avoided to insert
The outer peripheral surface of core is coated with glue.
As a kind of perferred technical scheme, it is described socket section outer peripheral surface be equipped with for connector shell circumferentially
The positioning key or positioning spline of location fit.
The utility model has the advantages that setting positioning key or positioning spline can guarantee that annular step surface and the accurate of APC end face are coincide.
As a kind of perferred technical scheme, the glue channel is equipped with what internal diameter was reduced close to one end of socket section
Path section.
The utility model has the advantages that the radial dimension due to APC end face is smaller, setting path section can guarantee APC end face and annular table
The docking of terrace, and the part internal diameter before path section is larger, can reduce the flow resistance of glue, guarantees that glue smoothly leads to
It crosses.
As a kind of perferred technical scheme, the hole wall Yu the ring-shaped step of the close socket section side of the gas vent
Spacing between face is less than 1mm.
The utility model has the advantages that setting spacing is convenient for the processing of gas vent, and it is capable of forming certain glue accommodation space, guaranteed
Effective gluing.
As a kind of perferred technical scheme, the pore diameter range of the gas vent is 0.3mm~0.7mm.
The utility model has the advantages that extra glue can be discharged for gas vent, and guarantee that light cannot shine directly into inside glue injection machine
Glue, to will not influence the performance of glue.
Detailed description of the invention
Fig. 1 is the use state diagram of the embodiment one of the glue injection machine of optical fiber connector provided by the utility model；
Fig. 2 is A-A cross-sectional view of Fig. 1；
Fig. 3 is B-B cross-sectional view of Fig. 2；
Fig. 4 is C-C cross-sectional view of Fig. 2；
Fig. 5 is the side view that the utility model ceramic insertion core and glue injection machine are assembled together, and is seen from ceramic insertion core side
It examines；
Fig. 6 is D-D cross-sectional view of Fig. 5；
Fig. 7 is E-E cross-sectional view of Fig. 5；
Fig. 8 is that the optical fiber connector of Fig. 1 pulls out the structural schematic diagram after glue injection machine；
Fig. 9 is the use state diagram of the embodiment two of the glue injection machine of optical fiber connector provided by the utility model；
Figure 10 is the assembly relation schematic diagram of ceramic insertion core and glue injection machine in Fig. 9.
In figure: 10- optical fiber connector, 11- connector shell, 12- ceramic insertion core, 13- fiber optic hub, the end face 14-APC,
16- positioning spline, 17- positioning key, 20- glue injection machine, 21- attachment cap, 22- are socketed section, 23- glue channel, 24- injecting glue section, 25-
Annular step surface, 26- flange, 27- gas vent, 28- retaining piece, 29- sealing ring, 30- glue cap, the inner cavity 31-, 41- ceramics are inserted
Core, 42- annular step surface.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing, but is not limited thereto.
The embodiment one of the glue injection machine of optical fiber connector provided by the utility model as shown in Figure 1, Figure 2, Figure 3, Figure 4 should
Cooperate when the glue injection machine 20 of optical fiber connector uses with optical fiber connector 10, for the ceramic insertion core 12 into optical fiber connector 10
Front end face injecting glue.As shown in Fig. 2, Fig. 3, Fig. 6, Fig. 8, optical fiber connector 10 includes connector shell 11, connector shell 11
Front is equipped with ceramic insertion core 12, and ceramic insertion core 12 has the fiber optic hub 13 of front and back perforation, and front end face is APC end face 14.
As shown in Fig. 5, Fig. 6, Fig. 7, glue injection machine 20 includes attachment cap 21 and glue cap 30, and the center of attachment cap 21 is equipped with logical
The one end in hole, through-hole is set to 12 front end of ceramic insertion core for covering, and the corresponding part of attachment cap 21, which is formed, is set to pottery for sealing shroud
The socket section 22 of the front end of porcelain lock pin 12；The rear end of through-hole forms glue channel 23, and the corresponding part of attachment cap 21 forms injecting glue
One end of the separate ceramic insertion core 12 of socket section 22 is arranged in section 24, injecting glue section 24.The internal diameter of glue channel 23 is less than socket section
22 internal diameter, the joint of the two form the annular step surface 25 towards rear.In order to realize the end APC to the ceramic insertion core 12
Face 14 carries out gluing, and annular step surface 25 is the inclined-plane for being bonded for APC end face 14.Meanwhile it being socketed on the outer peripheral surface of section 22
Equipped with for the positioning key 17 with the circumferentially positioned cooperation of positioning spline 16 on connector shell 11, positioning spline 16 includes width
Different two are spent, positioning key 17 is correspondingly provided with two, to prevent misplug and lead to APC end face 14 and 25 nothing of annular step surface
Method fitting or damage APC end face 14.In use, the APC end face 14 of 12 front end of ceramic insertion core docks and leads to annular step surface 25
It crosses docking and forms sealing, glue is avoided to flow to the side wall of ceramic insertion core 12.Section 22 is socketed close to the outer peripheral surface of 24 one end of injecting glue section
On be additionally provided with a circle flange 26, can convenient for push glue cap 30 when and extract attachment cap 21 when exert a force.
Such as Fig. 6, in being equipped with gas vent 27 close to the position of socket section 22 on the side wall of injecting glue section 24, implement as preferred
Example, spacing of the gas vent 27 between the hole wall and annular step surface 25 of the side of socket section 22 is less than 1mm, in addition, conduct
A kind of preferred embodiment, the pore diameter range of gas vent 27 are 0.5mm.Glue is using UV glue, exhaust in the present embodiment
The aperture in hole 27 not will lead to more light and enter glue channel 23, so that glue be avoided surprisingly to solidify.
It is slidingly sealed in injecting glue section 24 and is arranged with glue cap 30, glue cap 30 is formed for pushing glue to ceramic insertion core 12
Front end face push away glue part, there is the inner cavity 31 for accommodating glue, storage, sealing for realizing glue, and can be
Injection pressure is generated when mobile.The outer peripheral surface of injecting glue section 24 is equipped with annular groove, is equipped with sealing ring 29 in annular groove, is used for and glue cap
30 sealing cooperations, avoid glue from flowing out.In order to avoid glue surprisingly solidifies, glue cap 30 uses black material, can absorb purple
Outside line.Certainly, in other embodiments, glue cap 30 can also use the trnaslucent materials that can filter ultraviolet light, or adopt
With transparent material, and cooperate the packaging that can filter ultraviolet light.
In order to avoid glue injection machine 20 is when not in use squeezed out glue by false hit, set on the outer peripheral surface of attachment cap 21
There is the retaining piece 28 cooperated along the axial direction of glue cap 30 and the end face block of glue cap 30.Retaining piece 28 and the one of attachment cap 21 at
Type, due to the small volume of retaining piece 28, can't be always maintained at the block to glue cap 30 during practical injecting glue,
Glue cap 30 can cut retaining piece 28 during pushing, in this way can be successfully during glue cap 30 is in subsequent pushing
Glue is injected in the fiber optic hub 13 in ceramic insertion core 12.
In use, pushing glue cap 30 and cutting retaining piece 28, to release the block to glue cap 30, continue to press on
It is mobile that glue cap 30 makes glue cap 30, so that the air in glue channel 23 is discharged from gas vent 27, and then makes to be located at originally interior
Glue in chamber 31 is moved at the front end face of fiber optic hub 13 by glue channel 23, and few a part of glue may also can be into
Enter into fiber optic hub 13.If any extra glue, can also be discharged from gas vent 27.Then, by attachment cap 21 and thereon
Glue cap 30 pulled up from ceramic insertion core 12, by optical cable from 11 rear of connector shell be packed into, optical fiber is out of ceramic insertion core 12
Fiber optic hub 13 in pass through, the rear end of optical fiber is fixed by encapsulating or realize by the crust for compressing optical cable, the front end of optical fiber
It is passed through from the glue that 12 front end of ceramic insertion core is smeared, then ultraviolet light is irradiated to the glue of 12 front end of ceramic insertion core, can be realized
Then the solidification of glue can carry out subsequent grinding operation.During attachment cap 21 is pulled up from ceramic insertion core 12, due to
Equipped with gas vent 27, the glue being coated on 12 front end face of ceramic insertion core can also be avoided by resorption, advantageously ensure that glue-spread.Row
Stomata 27 has spacing between the hole wall and annular step surface 25 of the side of socket section 22, and glue can be contained in the spacing
It is interior, it is further ensured that glue-spread of the glue on the front end face of ceramic insertion core 12.
The embodiment two of the glue injection machine of optical fiber connector in the utility model, as shown in Figure 9, Figure 10, with embodiment one
The difference is that: in the present embodiment, the ceramic insertion core 41 of corresponding optical fiber connector is using another lock pin in the prior art
Form, front end face are the planes vertical with the axis of ceramic insertion core 41, and correspondingly, annular step surface 42 is perpendicular to attachment cap
Axis avoids glue stream in use, the front end face of ceramic insertion core 41 docks with annular step surface 42 and forms sealing by docking
To the side wall of ceramic insertion core 41.Simultaneously as not set on attachment cap in the present embodiment without the concern for the correspondence problem in the face APC
Set positioning key.Remaining appended drawing reference in figure is identical as structure represented by embodiment one.
In the above embodiments, pushing away glue part is to be slidingly sealed the glue cap being set in injecting glue section, and glue is stored in glue
In water cap.In other embodiments, pushing away glue part also could alternatively be other forms, such as the piston being plugged in injecting glue section, this
When glue can be in advance in the glue channel.Since the ceramic insertion core diameter of optical fiber is smaller, the diameter of corresponding glue channel
Smaller, glue can't flow freely under the action of surface tension, and if selection UV glue, viscosity is often higher, from
And can guarantee glue will not surprisingly flow out.In other embodiments, pushing away glue part may be replaced by deformable cement reservoir, than
Glue can be pushed to the front end face of ceramic insertion core by such as structure similar with the ink sac of ink by extruding cement reservoir.
In the above embodiments, a gas vent 27 is provided on the lateral wall of attachment cap 21 to realize exhaust and extra
Glue discharge, and the aperture of gas vent 27 is 0.5mm, in other embodiments, according to factors such as the type of glue, viscosity,
The quantity and diameter of gas vent 27 can do corresponding adjustment, and diameter is preferably 0.3mm~0.7mm.In addition, in other embodiments
In, gas vent 27 can also closely be socketed the setting of section 22.
In the above-described embodiments, by the sealing cooperation of sealing ring 29 between glue set and attachment cap 21, in other embodiments
In, sealing can also be realized using other modes.For example, land is set on 21 outer peripheral surface of attachment cap, land and glue cap
30 inner wall interference fit realizes sealing.
In the above-described embodiments, the internal diameter of glue channel 23 is less than the internal diameter of socket section 22, and the joint of the two forms court
Rearward for ceramic insertion core 12 front end face docking annular step surface 25, in other embodiments, glue channel 23 it is interior
Diameter can also be identical as the socket internal diameter of section 22, to guarantee to be socketed the inner wall of section 22 and the outer peripheral surface of 12 front end of ceramic insertion core at this time
Sealing cooperation, the side wall of ceramic insertion core 12 is flowed to avoid glue.
In the above-described embodiments, avoid glue cap 30 not by the way that retaining piece 28 is arranged on the lateral surface of attachment cap 21
By false hit when use, in other embodiments, can also avoid in other way glue cap 30 when not in use by
False hit.For example, the snap ring of U-shaped is arranged between the end face of glue cap 30 and the flange 26 of attachment cap 21, snap ring block is in glue
Pulling out along the radial direction of attachment cap 21 snap ring between the end face of water cap 30 and the flange 26 of attachment cap 21, when use can release pair
The limit of glue cap 30.
Claims (9)
1. a kind of glue injection machine of optical fiber connector, it is characterised in that: the company including being set to the front end of ceramic insertion core for removable set
Cap is connect, the attachment cap is with the socket section for cooperating with the forward end seal of ceramic insertion core and the injecting glue being connected with socket section
Section, is equipped with glue channel in the injecting glue section and glue channel is communicated with socket section, and the injecting glue section is equipped with for by glue
That pushes the front end face of ceramic insertion core to pushes away glue part, in being equipped with gas vent close to the position of socket section on the side wall of the injecting glue section.
2. the glue injection machine of optical fiber connector according to claim 1, it is characterised in that: the glue part that pushes away is to be slidingly sealed set
The glue cap being located in injecting glue section, the glue cap have the inner cavity for accommodating glue.
3. the glue injection machine of optical fiber connector according to claim 2, it is characterised in that: between the injecting glue section and glue cap
Equipped with sealing ring.
4. the glue injection machine of optical fiber connector according to claim 1 or 2 or 3, it is characterised in that: the glue channel it is interior
Diameter is less than the internal diameter of socket section, and the joint of the two forms the ring-shaped step of the front end face docking for ceramic insertion core towards rear
Face.
5. the glue injection machine of optical fiber connector according to claim 4, it is characterised in that: the annular step surface be for
The identical inclined-plane of the APC end face of ceramic insertion core.
6. the glue injection machine of optical fiber connector according to claim 5, it is characterised in that: set on the outer peripheral surface of the socket section
Have for the positioning key or positioning spline with the circumferentially positioned cooperation of connector shell.
7. the glue injection machine of optical fiber connector according to claim 5, it is characterised in that: the glue channel is close to socket section
One end be equipped with the path section that is reduced of internal diameter.
8. the glue injection machine of optical fiber connector according to claim 4, it is characterised in that: the close socket section of the gas vent
Spacing between the hole wall of side and the annular step surface is less than 1mm.
9. the glue injection machine of optical fiber connector according to claim 1 or 2 or 3, it is characterised in that: the aperture of the gas vent
Range is 0.3mm~0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256234.9U CN209281007U (en) | 2018-12-29 | 2018-12-29 | A kind of glue injection machine of optical fiber connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256234.9U CN209281007U (en) | 2018-12-29 | 2018-12-29 | A kind of glue injection machine of optical fiber connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209281007U true CN209281007U (en) | 2019-08-20 |
Family
ID=67608528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822256234.9U Withdrawn - After Issue CN209281007U (en) | 2018-12-29 | 2018-12-29 | A kind of glue injection machine of optical fiber connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209281007U (en) |
-
2018
- 2018-12-29 CN CN201822256234.9U patent/CN209281007U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190820 Effective date of abandoning: 20230721 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190820 Effective date of abandoning: 20230721 |