CN201583688U - Optical connector and connector component - Google Patents
Optical connector and connector component Download PDFInfo
- Publication number
- CN201583688U CN201583688U CN2009202714015U CN200920271401U CN201583688U CN 201583688 U CN201583688 U CN 201583688U CN 2009202714015 U CN2009202714015 U CN 2009202714015U CN 200920271401 U CN200920271401 U CN 200920271401U CN 201583688 U CN201583688 U CN 201583688U
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- China
- Prior art keywords
- face
- rear end
- optical connector
- ring flange
- outer peripheral
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an optical connector and a connector component, and a contact element of a first and a second connectors of the optical connector and the connector component comprises a flange plate; an axial ring is arranged on the peripheral surface of the flange plate close to the front end surface, and a thin neck structure is positioned on the peripheral surface of the flange plate close to the rear end surface; the thin neck structure is sheathed with an elastic sleeve, and a spring is sheathed between the elastic sleeve and the axial ring of the flange plate; the front section of a central hole of the elastic sleeve is supported and matched with the peripheral surface in front of the thin neck structure of the flange plate in a sliding way; the tail of the central hole of the elastic sleeve is provided with a necking down stepped hole section with a radial elastic expansion structure, and the necking down stepped hole section is matched with the peripheral surface of the thin neck structure; and the outer wall of the elastic sleeve is provided with a baffle ring, and the rear end surface of the baffle ring is matched with a corresponding structure of a shell of the optical connector in a blocking way. Since the spring of the contract element of the optical connector and the elastic sleeve used for fixing the shell of the optical connector are assembled on the peripheral surface of the flange plate, the structure of the contact element is more compact, and the size of the contact element is reduced.
Description
Technical field
The utility model relates to a kind of optical connector, and the utility model also relates to the connector assembly of this optical connector simultaneously, belongs to the optical signal transmission field.
Background technology
Existing a kind of optical connector as shown in Figure 1, comprise connector shell 21, have in the housing 21 and the corresponding shoulder hole of optical fiber contact, be provided with optical fiber contact 31 in the shoulder hole, the front end face of the protheca 100 of optical fiber contact 31 matches with the cascaded surface of the shoulder hole of housing 21, the back cover 200 of optical fiber contact 31 is provided with the axle collar, and the front end face that the rear end face of this axle collar and is fixedly installed on the pressing plate 51 on the housing 21 matches, thereby optical fiber contact 31 is fixed in the housing 21.It is that the Chinese patent instructions of 200720003373.X discloses a kind of rear jacket stationary type fiber optic cable connector contact member that the light contact element of optical connector shown in Figure 1 is application number, comprise contact pin, contact pin caudal peduncle, protheca, spring and back cover, wherein contact pin is fixedly connected and be assemblied in the ladder endoporus of protheca with the contact pin caudal peduncle, the front end face of contact pin caudal peduncle cooperates with the step surface of protheca shoulder hole, the less endoporus section of the outer peripheral face of contact pin and protheca point diameter cooperates, and stretches out from its endoporus.The back cover is fixedly mounted on the protheca rear end, the buckle structure of back cover front end and the corresponding buckle structure secure fit on the protheca back segment elastic actuating structure endoporus side face, spring housing is contained on the minor diameter side face of contact pin caudal peduncle tail end, the front end top is contained on the cascaded surface of contact pin caudal peduncle, the top, rear end is contained in the front end of back cover, and the rear end face of contact pin caudal peduncle does not contact with the front end face of back cover.Optical cable is fixed on cover rear end, back by heat-shrink tube, the hole that puts after optical fiber passes is connected with contact pin, the contact pin caudal peduncle is connected by spring with the back cover, when the plugs and sockets of optical connector plugs together, the contact pin Elastic Contact of plugs and sockets contact element is also stressed, the stressed back of contact element overcomes spring force with the contact pin caudal peduncle and retreats, thereby realizes reliably plugging together of optical connector.This utility model is simple in structure, easy to process, plugs together reliably, still, because the contact element arranged outside has protheca, spring is arranged in the protheca, causes the radial dimension of contact element bigger, thereby cause the radial dimension of optical connector front end bigger, can not satisfy the requirement of optical communication equipment miniaturization; In addition, the back cover of this utility model is fixed on the elastic actuating structure of protheca back segment by the spiral-lock structure between itself and the protheca, because the protheca back segment has the elastic actuating performance,, cause the globality of contact element bad so the stability maintenance between the cover is poor behind the protheca.
The utility model content
The purpose of this utility model provides a kind of optical connector, and to have solved in the prior art owing to the contact element arranged outside the bigger problem of contact element radial dimension that protheca causes, the while the purpose of this utility model also is to provide a kind of connector assembly.
For achieving the above object, the utility model adopts following technical scheme: a kind of optical connector, comprise housing, has the shoulder hole that contact element is set in the housing, be provided with contact element in this shoulder hole, described optical connector contact element comprises a ring flange, this ring flange has one and extends to the installation passage of rear end face from front end face, the front end of this installation passage is set with contact pin, ring flange is provided with an axle collar near the outer peripheral face of front end face, outer peripheral face near rear end face is provided with a thin neck structure, this thin neck structure place is set with a resilient sleeve, be set with a spring between the axle collar of this resilient sleeve and ring flange, this spring top is contained between the corresponding end face of the ring flange axle collar and resilient sleeve, the leading portion of described resilient sleeve center pit cooperates with the thin neck structure outer peripheral face sliding support before of ring flange, described resilient sleeve center pit afterbody has the reducing stepped hole section that radial elastic actuates structure and cooperates with the outer peripheral face of thin neck structure, the outer wall of described resilient sleeve is provided with a baffle ring, and the rear end face of this baffle ring cooperates with counter structure block on the optical connector housing.
Counter structure on the described optical connector housing is to be screwed onto tail cover on the housing tail end outer peripheral face to be fitted in pressing plate on the housing, and the front end face of this pressing plate cooperates with the rear end face of described baffle ring.
It is the elastic claw that the axial through slot that extends to rear end face that the quilt of resilient sleeve rear end evenly is provided with along resilient sleeve rear end outer peripheral face is divided into that described radial elastic actuates structure.
Be set with sleeve pipe on the described contact pin, the rear end face of this sleeve pipe cooperates with the front end face of ring flange.
Be set with the axle sleeve of protective casing on the outer peripheral face of described sleeve pipe.
The technical scheme of optical connector assembly of the present utility model is as follows:
A kind of optical connector assembly, comprise first connector and second connector, described first connector, second connector all comprises housing, has the shoulder hole that contact element is set in the housing, be provided with contact element in this shoulder hole, the contact element of any comprises a ring flange in described first connector and second connector, this ring flange has one and extends to the installation passage of rear end face from front end face, the front end of this installation passage is set with contact pin, ring flange is provided with an axle collar near the outer peripheral face of front end face, outer peripheral face near rear end face is provided with a thin neck structure, this thin neck structure place is set with a resilient sleeve, be set with a spring between the axle collar of this resilient sleeve and ring flange, spring top is contained between the corresponding end face of the ring flange axle collar and resilient sleeve, the leading portion of described resilient sleeve center pit cooperates with the thin neck structure outer peripheral face sliding support before of ring flange, described resilient sleeve center pit afterbody has the reducing stepped hole section that radial elastic actuates structure and cooperates with the outer peripheral face of thin neck structure, the outer wall of described resilient sleeve is provided with a baffle ring, and the rear end face of this baffle ring cooperates with counter structure block on the corresponding first or second optical connector housing.
Counter structure on the described optical connector housing is to be screwed onto tail cover on the housing tail end outer peripheral face to be fitted in pressing plate on the housing, and the front end face of this pressing plate cooperates with the rear end face of described baffle ring.
It is the elastic claw that the axial through slot that extends to rear end face that the quilt of resilient sleeve rear end evenly is provided with along resilient sleeve rear end outer peripheral face is divided into that described radial elastic actuates structure.
Be set with sleeve pipe on the contact pin of described second connector contact, the rear end face of this sleeve pipe cooperates with the front end face of ring flange.
Be set with the axle sleeve of protective casing on the outer peripheral face of the sleeve pipe of described second connector contact.
First of the utility model optical connector and optical connector assembly, the front end top of the spring of the contact element of second connector is contained in the axle collar of ring flange, the top, rear end is contained on the front end face of resilient sleeve, ring flange directly keeps the stability of spring, replace protheca of the prior art with resilient sleeve, reduced the radial dimension of contact element, thereby reduced the radial dimension of optical connector front end, further, because the spring housing of contact element of the present utility model is contained on the outer peripheral face of ring flange, ring flange can keep the stability of spring, unstable phenomenon can not take place in spring when resilient sleeve is installed, and installation is more prone to, the efficiency of assembling height of optical connector.
Description of drawings
Fig. 1 is the cut-open view of existing optical connector;
Fig. 2 is the cut-open view of the structural representation of optical connector embodiment 1 of the present utility model;
Fig. 3 is the left view (not containing dust cover) of Fig. 2;
Fig. 4 is the cut-open view of optical connector contact element among Fig. 2;
Fig. 5 is the cut-open view of ring flange among Fig. 4;
Fig. 6 is the cut-open view of resilient sleeve among Fig. 4;
Fig. 7 is the right view of Fig. 6;
Fig. 8 is the cut-open view of the structural representation of optical connector embodiment 2 of the present utility model;
Fig. 9 is the left view (not containing dust cover) of Fig. 8;
Figure 10 is the cut-open view of optical connector contact element among Fig. 8.
Embodiment
Embodiment 1:
In Fig. 2,3, a kind of optical connector, comprise optical connector housing 21, be provided with optical connector contact element 31 in the optical connector housing 21, optical connector contact element 31 comprises that ring flange and that a front end is provided with contact pin is arranged on the resilient sleeve on the ring flange side face, and the front end of resilient sleeve is provided with and is used for and baffle ring that the optical connector housing is fixing.The front end of optical connector contact element 31 is by the front end face and the location of the step surface on the housing 21 of ring flange, and the rear end is by the rear end face and pressing plate 51 location of the baffle ring on the resilient sleeve.The tail cover 61 that pressing plate 51 is spirally connected on the optical connector housing 21 tail end outer peripheral faces is pressed on the connector shell 21, is provided with anti-rotation structure between pressing plate 51 and the optical connector housing 21.The rear end of ring flange is provided with and is used for fixing optical cable 81 shaft parts, this shaft part is the axle that is provided with more than one annular groove, annular groove on the shaft part is used to increase friction force makes optical cable fixing more firm, the aramid fiber that inserts that section outer fiber of ring flange is used for fixing on the shaft part of optical cable in the ring flange rear end by the pressure welding case pressing and fixing, thereby has realized optical cable 81 fixing on ring flange.The tail end of optical connector is provided with the rubber sheath 71 that is installed on optical connector housing 21 afterbodys.The front end of optical connector is provided with dust cover, the transportation of optical connector with deposit in the process, dust cover is used for preventing that dust from entering optical connector.The contact element of present embodiment is fixedly mounted in the housing by the front end face of its ring flange and the rear end face of its resilient sleeve baffle ring, the decrement error of spring is just relevant with the mismachining tolerance of ring flange and resilient sleeve so, thereby because present embodiment has saved the error that protheca of the prior art has been avoided the decrement of the spring that the mismachining tolerance by protheca causes.
At Fig. 4, Fig. 5, Fig. 6, among Fig. 7, corresponding above-mentioned Fig. 2, the contact element of the optical connector among Fig. 3 comprises a ring flange 4, the front end that ring flange 4 is installed passage is provided with contact pin 3, between contact pin 3 and the installation passage is interference fit, the rear end face of ring flange 4 is provided with and is used to insert optical fiber feeding mouth, optical fiber in the optical cable 81 feeds a mouthful installation passage that enters by ring flange from optical fiber and enters the center pit of contact pin 3, realize being connected with contact pin 3, installation passage on the ring flange 4 is installed the part of contact pin 3 greater than the part that feeds optical fiber, both form a cascaded surface in the joint, the end face of contact pin 3 cooperates with this cascaded surface, and the determining positions of cascaded surface contact pin 3 and inserted the degree of depth that ring flange is installed passage.Be equipped with a resilient sleeve 6 by spring 5 elasticity that are sleeved on the ring flange outer peripheral face on the outer peripheral face of ring flange 4, the front end of spring 5 is stuck on the shaft shoulder of the axle collar of ring flange 4 front ends, and the rear end of spring 5 is used to push the front end of resilient sleeve 6.The position that resilient sleeve 6 is installed on the outer peripheral face of ring flange 4 is a thin neck structure 9, and the rear end face 14 of resilient sleeve 6 does not cooperate the globality that keeps in touch part with the backstage terrace 10 of thin neck structure 9 when contact element is installed in the optical connector housing.The center pit of resilient sleeve 6 is the pre-large post-small shoulder hole of radius, the diameter of wealthy mouthful of section of the center pit of resilient sleeve 6 and the equal diameters of ring flange 4 outer peripheral faces, the reducing section of the center pit of resilient sleeve 6 cooperates with the outer peripheral face of thin neck structure 9, the wealthy mouthful section of the center pit of resilient sleeve 6 cooperates with ring flange 4 outer peripheral face sliding supports before the thin neck structure 9, and the cascaded surface of the center pit of resilient sleeve 6 and the foreground terrace of neck structure 9 carefully exceed and cooperate.The front end of resilient sleeve 6 is provided with and is used for and the fixing baffle ring 11 of optical connector housing, and after contact element was installed in the optical connector housing, the rear end face of baffle ring 11 was used for cooperating with pressing plate 51 blocks.The rear end of resilient sleeve 6 evenly is provided with four axial through slots 12 that extend to rear end face along outer peripheral face, the rear end of resilient sleeve 6 is divided into four elastic claws 13 of symmetry.Elastic claw 13 makes the rear end of resilient sleeve 6 have elasticity, with resilient sleeve 6 when the rear end of ring flange 4 is installed on the ring flange 4, because the diameter of the reducing section of the center pit of resilient sleeve 6 is little and the outer peripheral face diameter of ring flange 4, elastic claw 13 will open during installation, when resilient sleeve 6 moves forward to thin neck structure 9 places of ring flange 4, elastic claw 13 restores to the original state, and resilient sleeve 6 rear end faces cooperate with the backstage terrace 10 of thin neck structure 9.
In the present embodiment directly with cable crimp on the end section of ring flange tail end, when the number of contact element is less when being one or two, also can be on the structure that is arranged in addition on the optical connector housing with cable crimp, that works better protection optical cable.
Embodiment 2:
In Fig. 8, Fig. 9; optical connector comprises housing 512; be provided with contact element 712 in the housing 512; contact element 712 comprises that ring flange and that a front end is provided with contact pin is arranged on the resilient sleeve on the ring flange side face; the front end of resilient sleeve is provided with and is used for and the fixing baffle ring of optical connector housing; be set with sleeve pipe on the outer peripheral face of contact pin, the outer peripheral face of sleeve pipe is provided with the axle sleeve of protective casing.The step surface location of the shoulder hole that front end face and the optical connector housing 512 of the front end of contact element 712 by sleeve pipe is provided with contact element, the rear end of contact element 712 is by the rear end face and pressing plate 812 location that are arranged on the housing 512 of the baffle ring of resilient sleeve, the sleeve 912 that pressing plate 812 is screwed onto on the housing 512 rear end outer peripheral faces is fitted on the housing 512, be provided with the pressure welding case 102 that is fixed on the sleeve 912 in the rear end inner chamber of sleeve 912, pressure welding case 102 is fixed the aramid fiber of outer fiber with the interior cover 112 in the hole that sets within it.Sleeve 912 tail ends are fixed with the sheath 122 that is arranged on protection optical cable on optical cable 152 outer peripheral faces by nut 132.The front end of optical connector housing is provided with and is used for the coupling nut 312 that is connected and fixed with intermateable connector, is provided with dust cap in the space between coupling nut 312 and the housing 512, and dust cap is used for preventing that dust from entering connector in the transportation that connects when depositing.
In Figure 10, the difference of the contact element of the contact element of present embodiment and embodiment 1 is: be set with sleeve pipe 221 on the contact pin of optical connector contact element, the rear end face of sleeve pipe 221 cooperates with the front end face of the ring flange 421 of optical connector contact element, the outer peripheral face of sleeve pipe 221 is provided with the axle sleeve 121 of protective casing 221, and the front end face of contact element axle sleeve 121 is used for cooperating with the step surface of the shoulder hole of optical connector housing 512; The tail end of the ring flange of optical connector contact element is not provided with the structure of the aramid fiber of pressing optical fiber, and aramid fiber has been pressed together on the housing of optical connector.
First connector of optical connector assembly of the present utility model is the connector in the foregoing description 1, and second connector of optical connector assembly is the connector in the foregoing description 2.
It is elastic claw that the radial elastic of the resilient sleeve of the foregoing description of the present utility model actuates structure, also the C jacket that has the axial shrinkage function.The elastic claw of the utility model embodiment is four, also can be two, three, five or six.
Claims (10)
1. optical connector, comprise housing, has the shoulder hole that contact element is set in the housing, be provided with contact element in this shoulder hole, it is characterized in that: described optical connector contact element comprises a ring flange, this ring flange has one and extends to the installation passage of rear end face from front end face, the front end of this installation passage is set with contact pin, ring flange is provided with an axle collar near the outer peripheral face of front end face, outer peripheral face near rear end face is provided with a thin neck structure, this thin neck structure place is set with a resilient sleeve, be set with a spring between the axle collar of this resilient sleeve and ring flange, this spring top is contained between the corresponding end face of the ring flange axle collar and resilient sleeve, the leading portion of described resilient sleeve center pit cooperates with the thin neck structure outer peripheral face sliding support before of ring flange, described resilient sleeve center pit afterbody has the reducing stepped hole section that radial elastic actuates structure and cooperates with the outer peripheral face of thin neck structure, the outer wall of described resilient sleeve is provided with a baffle ring, and the rear end face of this baffle ring cooperates with counter structure block on the optical connector housing.
2. optical connector according to claim 1 is characterized in that: the counter structure on the described optical connector housing is to be screwed onto tail cover on the housing tail end outer peripheral face to be fitted in pressing plate on the housing, and the front end face of this pressing plate cooperates with the rear end face of described baffle ring.
3. novel optical fiber contact piece according to claim 1 is characterized in that: it is the elastic claw that the axial through slot that extends to rear end face that the quilt of resilient sleeve rear end evenly is provided with along resilient sleeve rear end outer peripheral face is divided into that described radial elastic actuates structure.
4. according to claim 1 or 2 or 3 described optical connectors, it is characterized in that: be set with sleeve pipe on the described contact pin, the rear end face of this sleeve pipe cooperates with the front end face of ring flange.
5. optical connector according to claim 4 is characterized in that: the axle sleeve that is set with protective casing on the outer peripheral face of described sleeve pipe.
6. optical connector assembly, comprise first connector and second connector, described first connector, second connector all comprises housing, has the shoulder hole that contact element is set in the housing, be provided with contact element in this shoulder hole, it is characterized in that: the contact element of any comprises a ring flange in described first connector and second connector, this ring flange has one and extends to the installation passage of rear end face from front end face, the front end of this installation passage is set with contact pin, ring flange is provided with an axle collar near the outer peripheral face of front end face, outer peripheral face near rear end face is provided with a thin neck structure, this thin neck structure place is set with a resilient sleeve, be set with a spring between the axle collar of this resilient sleeve and ring flange, spring top is contained between the corresponding end face of the ring flange axle collar and resilient sleeve, the leading portion of described resilient sleeve center pit cooperates with the thin neck structure outer peripheral face sliding support before of ring flange, described resilient sleeve center pit afterbody has the reducing stepped hole section that radial elastic actuates structure and cooperates with the outer peripheral face of thin neck structure, the outer wall of described resilient sleeve is provided with a baffle ring, and the rear end face of this baffle ring cooperates with counter structure block on the corresponding first or second optical connector housing.
7. optical connector assembly according to claim 6, it is characterized in that: the counter structure on the described optical connector housing is to be screwed onto tail cover on the housing tail end outer peripheral face to be fitted in pressing plate on the housing, and the front end face of this pressing plate cooperates with the rear end face of described baffle ring.
8. optical connector assembly according to claim 6 is characterized in that: it is the elastic claw that the axial through slot that extends to rear end face that the quilt of resilient sleeve rear end evenly is provided with along resilient sleeve rear end outer peripheral face is divided into that described radial elastic actuates structure.
9. according to claim 6 or 7 or 8 described optical connector assemblies, it is characterized in that: be set with sleeve pipe on the contact pin of described second connector contact, the rear end face of this sleeve pipe cooperates with the front end face of ring flange.
10. optical connector assembly according to claim 9 is characterized in that: the axle sleeve that is set with protective casing on the outer peripheral face of the sleeve pipe of described second connector contact.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009202714015U CN201583688U (en) | 2009-10-02 | 2009-11-20 | Optical connector and connector component |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200920244738.7 | 2009-10-02 | ||
CN2009202714015U CN201583688U (en) | 2009-10-02 | 2009-11-20 | Optical connector and connector component |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201583688U true CN201583688U (en) | 2010-09-15 |
Family
ID=42725695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009202714015U Expired - Lifetime CN201583688U (en) | 2009-10-02 | 2009-11-20 | Optical connector and connector component |
Country Status (1)
Country | Link |
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CN (1) | CN201583688U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101876730B (en) * | 2009-10-02 | 2012-09-05 | 中航光电科技股份有限公司 | Optical connector and connector assembly |
CN105974529A (en) * | 2016-06-24 | 2016-09-28 | 中航光电科技股份有限公司 | Fiber connector and cable assembly equipped with fiber connector |
-
2009
- 2009-11-20 CN CN2009202714015U patent/CN201583688U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101876730B (en) * | 2009-10-02 | 2012-09-05 | 中航光电科技股份有限公司 | Optical connector and connector assembly |
CN105974529A (en) * | 2016-06-24 | 2016-09-28 | 中航光电科技股份有限公司 | Fiber connector and cable assembly equipped with fiber connector |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20100915 Effective date of abandoning: 20091120 |