CN102243342B - Fixing device - Google Patents
Fixing device Download PDFInfo
- Publication number
- CN102243342B CN102243342B CN201010170997.7A CN201010170997A CN102243342B CN 102243342 B CN102243342 B CN 102243342B CN 201010170997 A CN201010170997 A CN 201010170997A CN 102243342 B CN102243342 B CN 102243342B
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- CN
- China
- Prior art keywords
- wall
- holding unit
- elastic
- blind hole
- son
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Abstract
The invention relates to a fixing device, which is used for fixing a blind-hole mold-core insert in a forming mold of an optical fiber coupled connector. The fixing device comprises a shell and a pressing-against piece, wherein the shell has a hollow accommodating cavity; the pressing-against piece is positioned in the hollow accommodating cavity; the shell is a rectangle frame and a first wall, a second wall, a third wall and a fourth wall successively connected to each other; the first wall and the third wall are opposite; the second wall and the fourth wall are opposite; the pressing-against piece comprises a body part, a plurality of elastic parts and at least one pressing-against part which is matched with the blind-hole mold-core insert; the elastic parts and the at least one pressing-against part are positioned on two sides of the body part respectively; the elastic parts are pressed against the first wall; the at least one pressing-against part faces the third wall; the at least one pressing-against part and the third wall form at least one holding cavity which is used for accommodating the blind-hole mold-core insert; and the elastic parts press the body part to tightly accommodate the blind-hole mold-core insert into the holding cavity.
Description
Technical field
The present invention relates to optical-fiber coupling connector forming field, relate in particular to fixing blind hole die in a kind of optical fiber coupling connector forming mould and enter sub holding unit.
Background technology
At present, utilize optical signal transmission data to be applied to gradually the USB field of personal computer, and concrete form is presented as use optical-fiber coupling connector.Optical-fiber coupling connector generally includes optical fiber, the blind hole matching with optical fiber and the optical lens corresponding with optical fiber.During assembling, optical fiber inserts in blind hole and by some ultraviolet ray (Ultraviolet, UV) curable glue and makes optical fiber be fixed on the better position before optical lens.
When model optical-fiber coupling connector, blind hole die enters son normally via being assembled in optical fiber coupling connector forming mould after a holding unit fixing again.Yet, if blind hole die enters between son and holding unit for wringing fit, can assembling blind hole die enter son enter holding unit in time cause blind hole die to enter son fracture.If it is loose fit that blind hole die enters between son and holding unit, blind hole die enters son easy generation deflection and makes blind hole and the concentricity between optical lens after moulding not high, thereby cause optical fiber cannot be fixed on the better position before optical lens, affect accuracy rate and the efficiency of the optical signal transmission of optical-fiber coupling connector.
Summary of the invention
In view of this, be necessary to provide a kind of holding unit, it enters son for fixing blind hole die, so that blind hole die enters subgroup while being loaded on holding unit easy fracture not, and can guarantee that blind hole die enters son and do not produce deflection and make between blind hole after moulding and optical lens to have higher concentricity, finally make optical fiber be fixed on better position before optical lens to guarantee accuracy rate and the efficiency of the optical signal transmission of optical-fiber coupling connector.
A holding unit, its blind hole die for fixing optical fiber coupling connector forming mould enters son.This holding unit comprises housing and a breasting part that is positioned at this host cavity with hollow host cavity.This housing is rectangle frame and comprises the first wall, the second wall, the 3rd wall and the wall joining successively, and this first wall is relative with the 3rd wall, and this second wall is relative with this wall.This breasting part comprises that a body, a plurality of elastic and at least one enter with this blind hole die the bearing and leaning portion that son coordinates.This elastic and this at least one bearing and leaning portion lay respectively at the both sides of this body, and this elastic contacts on this first wall.This at least one bearing and leaning portion is relative with the 3rd wall and jointly form at least one with the 3rd wall and enter sub accommodating cavity for accommodating this blind hole die.This elastic is oppressed this body and is closely contained in this accommodating cavity so that this blind hole die is entered to son.
Compared to prior art, the accommodating blind hole die of accommodating cavity that this holding unit utilizes bearing and leaning portion and housing to form enters son, and utilize elastic to oppress this body to be closely contained in this accommodating cavity so that this blind hole die is entered to son, on the one hand assembling blind hole die enter son enter holding unit in time elastic can bounce back and reserve greater room to enter son to blind hole die, thereby can not cause blind hole die to enter sub fracture; Elastic can be oppressed this body and is closely contained in this accommodating cavity so that this blind hole die is entered to son on the other hand, thereby avoid blind hole die to enter gapped between son and housing and produce deflection, make blind hole and the concentricity between optical lens after moulding higher, and optical fiber can be fixed on the better position before optical lens, thus accuracy rate and the efficiency of the optical signal transmission of assurance optical-fiber coupling connector.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the holding unit that provides of first embodiment of the invention.
Fig. 2 is the decomposing schematic representation of the holding unit in Fig. 1.
Fig. 3 is the schematic perspective view of the breasting part of the holding unit in Fig. 1.
Fig. 4 is that the holding unit fixing blind hole die in Fig. 1 enters sub schematic perspective view.
Fig. 5 is that the web member traction breasting part in Fig. 1 enters sub schematic perspective view to insert blind hole die.
Fig. 6 is that the holding unit in Fig. 1 fixes blind hole die and enters sub schematic perspective view.
Fig. 7 is that holding unit that second embodiment of the invention provides fixes blind hole die and enters sub schematic perspective view.
Main element symbol description
Host cavity 120,320
The first wall 121,321
The second wall 122
The 3rd wall 123,323
Through hole 125
Accepting groove 126
Groove 127
Outside surface 128
Breasting part 14,34
First surface 141,341
Bearing and leaning portion 142
Guidance part 144,344
Accommodating cavity 145,345
Elastic 146,346
Connecting portion 148,348
Trunk portion 164
Blind hole die enters son 20
Embodiment
Below in conjunction with accompanying drawing, will be described in further detail embodiment of the present invention.
Referring to Fig. 1, is the holding unit 10 that first embodiment of the invention provides, and its four blind hole dies for fixing optical fiber coupling connector forming mould enter sub 20 (Fig. 4 shows).This holding unit 10 comprises a housing 12, breasting part 14 and a web member 16.
See also Fig. 2 and Fig. 3, this housing 12 is for having the rectangle frame of hollow host cavity 120.This housing 12 comprises the first wall 121, the second wall 122, the 3rd wall 123 and the wall 124 joining successively.This first wall 121 is parallel relative with the 3rd wall 123.This second wall 122 is parallel relative with this wall 124.This first wall 121 roughly offers a through hole 125 in centre position.This first wall 121 offers four accepting grooves 126 that are communicated with this host cavity 120 in four corners.The 3rd wall 123 offers four and enters the son strip groove 127 that matches of 20 (Fig. 4 shows) with described four blind hole dies.
This breasting part 14 is contained in this host cavity 120.This breasting part 14 comprises a body 140, four bearing and leaning portion 142, four guidance parts 144, four elastic 146 and connecting portions 148.
This body 140 comprises relative first surface 141 and second 143.This first surface 141 is relative with this first wall 121.This second 143 relative with the 3rd wall 123.
These four bearing and leaning portion 142 are from this second 143 extension, and this bearing and leaning portion 142 and this blind hole die enter 20 (Fig. 4 shows) of son and match, four strip grooves 127 of these four bearing and leaning portion 142 and this are corresponding, and common four accommodating cavities 145 (Fig. 5 shows) that form of four strip grooves of these four bearing and leaning portion 142 and this 127 enter sub 20 (Fig. 4 shows) with accommodating described four blind hole dies.
These four guidance parts 144 extend from four corners of this first surface 141, and four accepting grooves 126 of these four guidance parts 144 and this are corresponding.These four guidance parts 144 are contained in corresponding accepting groove 126 and have certain distance with the bottom interval of accepting groove 126.
These four elastic 146 are sheathed on respectively on these four guidance parts 144, and one end of each elastic 146 is connected in this first surface 141, and the other end is connected in the bottom of this accepting groove 126.In present embodiment, this elastic 146 is Compress Spring.
This connecting portion 148 is roughly positioned at the centre position of this body 140 and corresponding with this through hole 125.In present embodiment, this connecting portion 148 is the hollow tube-shape projection of extending from this first surface 141, and this connecting portion 148 can pass this through hole 125.The inwall of this connecting portion 148 is provided with internal thread 147.
This web member 16 comprises a grip part 162 and the trunk portion 164 of extending from this grip part 162.This trunk portion 164 is provided with external thread 163.This trunk portion 164 is through this through hole 125, and this external thread 163 screws togather with this internal thread 147 so that this web member 16 is connected with this connecting portion 148.
Being appreciated that this web member 16 is not limited in present embodiment is connected with this connecting portion 148 by screw-in version, can also be connected with this connecting portion 148 by engaging mode or gummed mode.
While assembling this holding unit 10, first this breasting part 14 is inserted in these host cavities 120, thereby and the bottom that is glued at this accepting groove 126, the one end by this elastic 146 this breasting part 14 is fixedly arranged in this host cavity 120.Then, thus this web member 16 is connected with this connecting portion 148 assembling that completes this holding unit 10 through this through hole 125.This holding unit 10 is when original state, and this elastic 146 is oppressed this body 140 towards the direction that approaches the 3rd wall 123, and makes this grip part 162 contact at the outside surface 128 of this first wall 121.
See also Fig. 2, Fig. 4 to Fig. 6, use this this blind hole die of holding unit 10 fixings to enter at sub 20 o'clock, first hold this grip part 162 towards drawing away from the direction of this outside surface 128, thereby make this body 140 towards the direction that approaches this first wall 121, move to increase the volume of accommodating cavity 145.Now, this elastic 146 and this guidance part 144 are contained in this accepting groove 126 completely, and this first surface 141 contacts at this first wall 121, and this trunk portion 164 exposes from outside surface 128, and this connecting portion 148 is contained in this through hole 125 completely.Then, this blind hole die being entered to son 20 inserts in accommodating cavity 145.Then, decontrol this grip part 162, this body 140 of this elastic 146 compressings drives these grip parts 162 towards the direction motion that approaches the 3rd wall 123 until this grip part 162 contacts at the outside surface 128 of this first wall 121 again, and now this breasting part 14 and the 3rd wall 123 jointly enter this blind hole die 20 and fix.
The holding unit 10 of present embodiment utilizes bearing and leaning portion 142 and the accommodating blind hole die of accommodating cavity 145 that housing 12 forms to enter son 20, and utilize elastic 146 these bodies 140 of compressing to be closely contained in this accommodating cavity 145 this blind hole die is entered to son 20, on the one hand assembling blind hole die enter son 20 enter holding unit 10 in time elastic 146 can bounce back to blind hole die, to enter son 20 and reserve greater room, thereby can not cause blind hole die to enter the fracture of son 20; Elastic 146 can be oppressed this body 140 and 20 is closely contained in this accommodating cavity 145 this blind hole die is entered to son on the other hand, thereby avoid blind hole die enter son 20 with housing 12 between gapped and generation deflection, make blind hole and the concentricity between optical lens after moulding higher, and optical fiber can be fixed on the better position before optical lens, thus accuracy rate and the efficiency of the optical signal transmission of assurance optical-fiber coupling connector.
Refer to Fig. 7, the holding unit 30 providing for second embodiment of the invention, the holding unit 30 of present embodiment and the difference of the holding unit 10 in the first embodiment are: this holding unit 30 does not comprise web member, correspondingly, on the first wall 321, do not offer through hole yet, one end that this connecting portion 348 is a Compress Spring and this connecting portion 348 is fixed on this first surface 341, and the other end contacts on this first wall 321.
Use this this blind hole die of holding unit 30 fixings to enter at sub 20 o'clock, first at this breasting part 34 of the interior compressing of host cavity 320, towards the direction that approaches this first wall 321, move to increase the volume of accommodating cavity 345.Now, this elastic 346 and this guidance part 344 are contained in accepting groove (not shown) completely, and this first surface 341 contacts at this first wall 321.Then, this blind hole die being entered to son 20 inserts in accommodating cavity 345.Then, decontrol this breasting part 34, this elastic 346 these breasting parts 34 of compressing are towards approaching the direction motion of the 3rd wall 323 until this breasting part 34 and the 3rd wall 323 enter this blind hole die 20 jointly fixes.
Being appreciated that it is a Compress Spring that the present invention is not limited to this connecting portion 348 in present embodiment, can also be that this breasting part 34 does not comprise connecting portion 348.Use beneficial effect that the holding unit 30 fixing blind hole dies of the second embodiment enter son 20 and the holding unit 10 fixing blind hole dies of the first embodiment as above to enter sub 20 beneficial effect identical, and further, because this holding unit 30 has omitted web member, on the first wall 321, do not offer through hole yet, thereby simplified the structure of holding unit 30, make simply, save cost.
Be understandable that, for the person of ordinary skill of the art, can make other various corresponding changes and distortion by technical conceive according to the present invention, and all these change and distortion all should belong to the protection domain of the claims in the present invention.
Claims (9)
1. a holding unit, its blind hole die for fixing optical fiber coupling connector forming mould enters son, it is characterized in that, this holding unit comprises housing and a breasting part that is positioned at this host cavity with hollow host cavity, this housing is rectangle frame and comprises the first wall joining successively, the second wall, the 3rd wall and wall, this first wall is relative with the 3rd wall, this second wall is relative with this wall, this breasting part comprises a body, a plurality of elastic, and at least one enters with this blind hole die the bearing and leaning portion that son coordinates, this elastic and this at least one bearing and leaning portion lay respectively at the both sides of this body, this elastic contacts on this first wall, this at least one bearing and leaning portion is relative with the 3rd wall and jointly form at least one with the 3rd wall and enter sub accommodating cavity for accommodating this blind hole die, this elastic is oppressed this body and is closely contained in this accommodating cavity so that this blind hole die is entered to son.
2. holding unit as claimed in claim 1, it is characterized in that, on this first wall, offer a plurality of accepting grooves corresponding with this elastic, this elastic is contained in corresponding accepting groove, on the 3rd wall, offer the corresponding groove of at least one supporting part of at least one and this, this at least one bearing and leaning portion is relative with the 3rd wall and jointly form this at least one accommodating cavity with this at least one groove.
3. holding unit as claimed in claim 2, is characterized in that, this elastic is Compress Spring.
4. holding unit as claimed in claim 3, it is characterized in that, this body comprises relative first surface and second, this breasting part also comprises a plurality of guidance parts that extend from this first surface, each elastic is sheathed on corresponding guidance part, and one end of this elastic is connected in this first surface, and the other end is connected in the bottom of this accepting groove, separately, this at least one bearing and leaning portion is positioned at this second in the bottom of this guidance part and this accepting groove.
5. holding unit as claimed in claim 4, is characterized in that, this breasting part elasticity is connected on this first wall.
6. holding unit as claimed in claim 5, is characterized in that, this breasting part also comprises a connecting portion, and this connecting portion one end is connected on this first surface, and the other end is connected on this first wall.
7. holding unit as claimed in claim 4, it is characterized in that, this first wall offers a through hole, and this breasting part also comprises a connecting portion corresponding with this through hole and that extend from this first surface, this holding unit also comprises a web member, and this web member is connected with this connecting portion through this through hole.
8. holding unit as claimed in claim 7, it is characterized in that, this web member comprises the trunk portion that extend Ji Conggai grip part, a grip part, this trunk portion is connected with this connecting portion through this through hole, when this blind hole die enters son and is closely contained in this accommodating cavity, this grip part contacts at the outside surface of this first wall.
9. holding unit as claimed in claim 8, is characterized in that, this trunk portion is connected with this connecting portion by screw-in version, gummed mode or engaging mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010170997.7A CN102243342B (en) | 2010-05-12 | 2010-05-12 | Fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010170997.7A CN102243342B (en) | 2010-05-12 | 2010-05-12 | Fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102243342A CN102243342A (en) | 2011-11-16 |
| CN102243342B true CN102243342B (en) | 2014-03-26 |
Family
ID=44961495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010170997.7A Expired - Fee Related CN102243342B (en) | 2010-05-12 | 2010-05-12 | Fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102243342B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109683241A (en) * | 2017-10-19 | 2019-04-26 | 福州高意光学有限公司 | A kind of fiber coupler |
| CN107703587A (en) * | 2017-10-27 | 2018-02-16 | 苏州东辉光学有限公司 | A kind of twin-core contact pin plated film frock |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5315678A (en) * | 1992-03-30 | 1994-05-24 | Nippon Telegraph & Telephone Corporation | Optical fiber connector |
| EP0760488A1 (en) * | 1995-08-24 | 1997-03-05 | Ngk Insulators, Ltd. | Optical fiber array |
| WO2002079831A1 (en) * | 2001-03-29 | 2002-10-10 | Ngk Insulators,Ltd. | Optical fiber array and method of manufacturing the optical fiber array |
| CN102866465A (en) * | 2011-07-05 | 2013-01-09 | 富士康(昆山)电脑接插件有限公司 | Optical connection assembly and photoelectric connector with same |
-
2010
- 2010-05-12 CN CN201010170997.7A patent/CN102243342B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5315678A (en) * | 1992-03-30 | 1994-05-24 | Nippon Telegraph & Telephone Corporation | Optical fiber connector |
| EP0760488A1 (en) * | 1995-08-24 | 1997-03-05 | Ngk Insulators, Ltd. | Optical fiber array |
| WO2002079831A1 (en) * | 2001-03-29 | 2002-10-10 | Ngk Insulators,Ltd. | Optical fiber array and method of manufacturing the optical fiber array |
| CN102866465A (en) * | 2011-07-05 | 2013-01-09 | 富士康(昆山)电脑接插件有限公司 | Optical connection assembly and photoelectric connector with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102243342A (en) | 2011-11-16 |
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Granted publication date: 20140326 Termination date: 20150512 |
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