CN105470780A - Production equipment and production process for multi-interface type SFP (small form-factor pluggable) network communication connector - Google Patents
Production equipment and production process for multi-interface type SFP (small form-factor pluggable) network communication connector Download PDFInfo
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- CN105470780A CN105470780A CN201511001313.XA CN201511001313A CN105470780A CN 105470780 A CN105470780 A CN 105470780A CN 201511001313 A CN201511001313 A CN 201511001313A CN 105470780 A CN105470780 A CN 105470780A
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- Prior art keywords
- connecting gear
- spacer element
- mould
- shell fragment
- stamping die
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/18—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing bases or cases for contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Press Drives And Press Lines (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses production equipment and a production process for a multi-interface type SFP (small form-factor pluggable) network communication connector. The production equipment comprises a first transport mechanism, a second transport mechanism, a third transport mechanism, a fourth transport mechanism, an elastic sheet stamping die mechanism, an intermediate separating sheet stamping die mechanism, an elastic sheet intramode riveting mechanism, a lower cover stamping die mechanism, an intermediate separating sheet assembly intramode riveting mechanism, an upper cover stamping die mechanism and an upper cover automatic assembling mechanism; through the matching of the mechanisms, the elastic sheets, the intermediate separating sheets, the lower cover, the upper cover and the like are automatically assembled together, and a conventional manual mode for assisting various apparatus to finish the assembling is replaced, so that the production equipment is high in automation degree, and capable of effectively reducing the manpower waste, greatly improving the working efficiency and ensuring the product quality; and in addition, high-quality, high-stability and large-scale production of the multi-interface type SFP network communication connector can be realized through the production equipment and the production process so as to bring more benefits for production enterprises.
Description
Technical field
The present invention relates to SFP network communication connector art, refer in particular to a kind of multiplex roles formula SFP network communication connector production equipment and production technology.
Background technology
In data communication and telecom communication circuit, the corresponding interface seat grafting in SFP module and communication system assembles to realize signal communication.Small plug-type light emitting/telecommunication transceiver module (SmallForm-FactorPluggable; abbreviation SFP) be common a kind of light/telecommunication transceiver module; this module has hot plug, is convenient to safeguard replacing, small and exquisite feature; in order to realize the hot plug of quick above-mentioned SFP module; usually can be SFP module installation SFP network communication connector structure, thus refer to can and the corresponding interface seat on communication system between realize fast fastening, to trip the function be connected fast.
Along with improving constantly of device integration, at present a lot of equipment needs mounting interface formula SFP network communication connector, this connector has at least two interfaces, to meet the user demand of user, the screening can of this connector has generally included the parts such as lower cover, upper cover, middle partition and shell fragment, but in prior art, these parts normally adopt the various device of human assistance to complete, automaticity is low, efficiency is low, time and effort consuming, and product quality can not be guaranteed.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of multiplex roles formula SFP network communication connector production equipment and production technology, and it effectively can solve the mode that the existing various device of employing human assistance completes screening can assembling and have that efficiency is low, the problem of labor intensive.
For achieving the above object, the present invention adopts following technical scheme:
A kind of multiplex roles formula SFP network communication connector production equipment, to include in the first connecting gear, the second connecting gear, the 3rd connecting gear, the 4th connecting gear, shell fragment stamping die mechanism, middle partition stamping die mechanism, shell fragment mould riveting mechanism, upper cover stamping die mechanism and upper cover automatic assembling mechanism in riveting mechanism, lower cover stamping die mechanism, middle spacer element mould; In this shell fragment stamping die mechanism and shell fragment mould, riveting mechanism sets gradually along the direction of transfer of the first connecting gear; in this, in partition stamping die mechanism, shell fragment mould, in riveting mechanism and middle spacer element mould, riveting mechanism sets gradually along the direction of transfer of the second connecting gear; in this lower cover stamping die mechanism, middle spacer element mould, riveting mechanism and upper cover automatic assembling mechanism set gradually along the direction of transfer of the 3rd connecting gear, and this upper cover stamping die mechanism and upper cover automatic assembling mechanism set gradually along the direction of transfer of the 4th connecting gear.
As a kind of preferred version, the direction of transfer of described first connecting gear is parallel with the direction of transfer of the 3rd connecting gear, the direction of transfer of vertical first connecting gear of direction of transfer of the second connecting gear and the direction of transfer of the 3rd connecting gear, the direction of transfer of vertical and the 3rd connecting gear of the direction of transfer of the 4th connecting gear.
As a kind of preferred version, in described middle spacer element mould, riveting mechanism includes die shoe and upper bolster, this die shoe is provided with the first passage passed for lower cover and material strip thereof, the gap that during the surface of die shoe is arranged with and supplies, spacer element is passed, gap area first passage, this upper bolster can be arranged at directly over die shoe up and downly, the second channel that in supplying, spacer element and material strip thereof pass is formed between this upper bolster and die shoe, the cutting knife part for middle spacer element being cut down from its material strip is provided with in upper bolster, cutting knife part is positioned at directly over gap.
As a kind of preferred version, be provided with in described upper bolster and movable up and downly compress bar, the lower end compressing bar has one and compresses inclined-plane, and this compresses inclined-plane and is butted on cutting knife part and impels cutting knife part horizontal anomalous movement.
As a kind of preferred version, described gap is three that interval equalization is arranged, and each gap corresponding is provided with an aforementioned cutting knife part.
A kind of multiplex roles formula SFP network communication connector production technology, adopts aforementioned multiplex roles formula SFP network communication connector production equipment, includes following steps:
(1) shell fragment is gone out by the punch forming of shell fragment stamping die mechanism, under the effect of the first connecting gear, shell fragment and material strip thereof to be sent in shell fragment mould in riveting mechanism, meanwhile, middle partition is gone out by the punch forming of middle partition stamping die mechanism, under the effect of the second connecting gear, middle partition and material strip thereof to be sent in shell fragment mould in riveting mechanism;
(2) by riveting mechanism work in shell fragment mould by shell fragment riveted on middle partition, and centering partition carries out bending and molding and spacer element in forming, under the effect of the second connecting gear, middle spacer element and material strip thereof to be sent in middle spacer element mould in riveting mechanism; Meanwhile, go out lower cover by the punch forming of lower cover stamping die mechanism, under the effect of the 3rd connecting gear, lower cover and material strip thereof to be sent in middle spacer element mould in riveting mechanism;
(3) by riveting mechanism work in middle spacer element mould by middle spacer element riveted under cover and form lower cover component, under the effect of the 3rd connecting gear, lower cover component and material strip thereof are sent in upper cover automatic assembling mechanism, meanwhile, upper cover is gone out by the punch forming of upper cover stamping die mechanism, under the effect of the 4th connecting gear, upper cover and web feed thereof are in upper cover automatic assembling mechanism;
(4) by the work of upper cover automatic assembling mechanism, upper cover is assemblied in lower cover component.
As a kind of preferred version; in described step (1) shell fragment stamping mould machine structure one time punching molded go out three shell fragments; in step (2); in shell fragment mould, three shell fragments are once distinguished riveteds on three middle partitions by riveting mechanism work; in step (3), in middle spacer element mould, three middle spacer element riveteds once cover by riveting mechanism work under one.
As a kind of preferred version, assembling content includes upper cover and lower cover component combines, side dovetail fastens, middle partition bottom snap and the bending of middle partition afterbody in described step (4).
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
Each mechanism is utilized by coordinating, make shell fragment, middle partition, lower cover together with the automatic Compositions such as upper cover, the mode that the various device of human assistance that instead of tradition completes, automaticity is high, effectively reduce manpower to expend, substantially increase operating efficiency, and product quality is guaranteed, the present invention can realize the production in enormous quantities of multiplex roles formula SFP network communication connector high-quality high stable, for manufacturing enterprise brings more benefit.
For more clearly setting forth architectural feature of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the preferred embodiment of the present invention;
Fig. 2 is the schematic perspective view of riveting mechanism in middle spacer element mould in the preferred embodiment of the present invention;
Fig. 3 is the decomposing schematic representation of riveting mechanism in middle spacer element mould in the preferred embodiment of the present invention;
Fig. 4 is the schematic cross-section of riveting mechanism in middle spacer element mould in the preferred embodiment of the present invention;
Fig. 5 is the schematic perspective view in the preferred embodiment of the present invention after shell fragment punch forming;
Fig. 6 be in the preferred embodiment of the present invention shell fragment riveted formed on middle partition in the schematic perspective view of spacer element;
Fig. 7 is the middle schematic perspective view of spacer element riveted after lower cover in the preferred embodiment of the present invention;
Fig. 8 is the schematic perspective view in the preferred embodiment of the present invention after upper cover punch forming;
Fig. 9 be in the preferred embodiment of the present invention upper cover and lower cover component assemble before schematic perspective view;
Figure 10 be in the preferred embodiment of the present invention up and down and lower cover component assemble after schematic perspective view.
Accompanying drawing identifier declaration:
11, the first connecting gear 12, second connecting gear
13, the 3rd connecting gear 14, the 4th connecting gear
15, shell fragment stamping die mechanism 16, middle partition stamping die mechanism
17, riveting mechanism 18, lower cover stamping die mechanism in shell fragment mould
20, riveting mechanism 21, die shoe in middle spacer element mould
22, upper bolster 23, cutting knife part
24, compress bar 241, compress inclined-plane
201, first passage 202, gap
203, second channel 31, upper cover stamping die mechanism
32, upper cover automatic assembling mechanism 41, lower cover
42, material strip 43, shell fragment
44, material strip 45, upper cover
50, middle spacer element 51, material strip
52, middle partition.
Embodiment
Please refer to shown in Fig. 1 to Fig. 4; that show the concrete structure of the preferred embodiment of a kind of multiplex roles formula SFP of the present invention network communication connector production equipment, to include in the first connecting gear 11, second connecting gear 12, the 3rd connecting gear 13, the 4th connecting gear 14, shell fragment stamping die mechanism 15, middle partition stamping die mechanism 16, shell fragment mould riveting mechanism 20, upper cover stamping die mechanism 31 and upper cover automatic assembling mechanism 32 in riveting mechanism 17, lower cover stamping die mechanism 18, middle spacer element mould.
In this shell fragment stamping die mechanism 15 and shell fragment mould, riveting mechanism 17 sets gradually along the direction of transfer of the first connecting gear 11, partition stamping die mechanism 16 in this, in shell fragment mould, in riveting mechanism 17 and middle spacer element mould, riveting mechanism 20 sets gradually along the direction of transfer of the second connecting gear 12, this lower cover stamping die mechanism 18, in middle spacer element mould, riveting mechanism 20 and upper cover automatic assembling mechanism 32 set gradually along the direction of transfer of the 3rd connecting gear 13, this upper cover stamping die mechanism 31 and upper cover automatic assembling mechanism 32 set gradually along the direction of transfer of the 4th connecting gear 14.In the present embodiment, the direction of transfer of described first connecting gear 11 is parallel with the direction of transfer of the 3rd connecting gear 13, the direction of transfer of vertical first connecting gear 11 of direction of transfer of the second connecting gear 12 and the direction of transfer of the 3rd connecting gear 13, the direction of transfer of vertical and the 3rd connecting gear 13 of the direction of transfer of the 4th connecting gear 14.
Specifically, in described middle spacer element mould, riveting mechanism 20 includes die shoe 21 and upper bolster 22, this die shoe 21 is provided with the first passage 201 passed for lower cover 41 and material strip 42 thereof, the gap 202 that during the surface of die shoe 21 is arranged with and supplies, spacer element 50 is passed, gap 202 is communicated with first passage 201, this upper bolster 22 can be arranged at directly over die shoe 21 up and downly, the second channel 203 that in supplying, spacer element 50 and material strip 51 thereof pass is formed between this upper bolster 22 and die shoe 21, the cutting knife part 23 for middle spacer element 50 being cut down from its material strip 51 is provided with in upper bolster 22, cutting knife part 23 is positioned at directly over gap 202.And be provided with in described upper bolster 22 and movable up and downly compress bar 24, the lower end compressing bar 24 has one and compresses inclined-plane 241, this compresses inclined-plane 241 and is butted on cutting knife part 23 and impels cutting knife part 23 horizontal anomalous movement; Further, described gap 202 is three that interval equalization is arranged, and each gap 202 corresponding is provided with an aforementioned cutting knife part 23.
The course of work that the present embodiment is described in detail in detail is as follows, adopts aforementioned multiplex roles formula SFP network communication connector production equipment, includes following steps:
(1) shell fragment 43(is gone out as shown in Figure 5 by the punch forming of shell fragment stamping die mechanism 15); under the effect of the first connecting gear 11; shell fragment 43 and material strip 44 thereof to be sent in shell fragment mould in riveting mechanism 17; meanwhile; middle partition 52 is gone out by the punch forming of middle partition stamping die mechanism 16; under the effect of the second connecting gear 12, middle partition 52 and material strip 51 thereof to be sent in shell fragment mould in riveting mechanism 17.In the present embodiment, shell fragment stamping die mechanism 15 one time punching molded go out three shell fragments 43.
(2) worked shell fragment 43 riveted on middle partition 52 (as shown in Figure 6) by riveting mechanism 17 in shell fragment mould, and centering partition 52 carries out bending and molding and spacer element 50 in forming, under the effect of the second connecting gear 12, middle spacer element 50 and material strip 51 thereof to be sent in middle spacer element mould in riveting mechanism 20; Meanwhile, go out lower cover 41 by the punch forming of lower cover stamping die mechanism 18, under the effect of the 3rd connecting gear 13, lower cover 41 and material strip 42 thereof to be sent in middle spacer element mould in riveting mechanism 20.In the present embodiment, in shell fragment mould riveting mechanism 17 work once by three shell fragments 43 respectively riveteds on three middle partitions 52.
(3) worked by riveting mechanism 20 in middle spacer element mould middle spacer element 50 riveted formed lower cover component (as shown in Figure 7) on lower cover 41; under the effect of the 3rd connecting gear 13; lower cover component and material strip 42 thereof are sent in upper cover automatic assembling mechanism 32; meanwhile; upper cover 45(is gone out as shown in Figure 8) by the punch forming of upper cover stamping die mechanism 31; under the effect of the 4th connecting gear 14, upper cover 45 and material strip (not shown) thereof are delivered in upper cover automatic assembling mechanism 32.In the present embodiment, in middle spacer element mould riveting mechanism 20 work once by three middle spacer element 50 riveteds on a lower cover 41.
(4) as shown in Figure 9 and Figure 10, worked by upper cover automatic assembling mechanism 32 and upper cover 45 be assemblied in lower cover component, assembling content includes upper cover 45 and lower cover component combines, side dovetail fastens, middle partition 52 bottom snap and the bending of middle partition 52 afterbody.
Design focal point of the present invention is: utilize each mechanism by coordinating, make shell fragment, middle partition, lower cover together with the automatic Compositions such as upper cover, the mode that the various device of human assistance that instead of tradition completes, automaticity is high, effectively reduce manpower to expend, substantially increase operating efficiency, and product quality is guaranteed, the present invention can realize the production in enormous quantities of multiplex roles formula SFP network communication connector high-quality high stable, for manufacturing enterprise brings more benefit.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, thus every above embodiment is done according to technical spirit of the present invention any trickle amendment, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (8)
1. a multiplex roles formula SFP network communication connector production equipment, is characterized in that: to include in the first connecting gear, the second connecting gear, the 3rd connecting gear, the 4th connecting gear, shell fragment stamping die mechanism, middle partition stamping die mechanism, shell fragment mould riveting mechanism, upper cover stamping die mechanism and upper cover automatic assembling mechanism in riveting mechanism, lower cover stamping die mechanism, middle spacer element mould; In this shell fragment stamping die mechanism and shell fragment mould, riveting mechanism sets gradually along the direction of transfer of the first connecting gear; in this, in partition stamping die mechanism, shell fragment mould, in riveting mechanism and middle spacer element mould, riveting mechanism sets gradually along the direction of transfer of the second connecting gear; in this lower cover stamping die mechanism, middle spacer element mould, riveting mechanism and upper cover automatic assembling mechanism set gradually along the direction of transfer of the 3rd connecting gear, and this upper cover stamping die mechanism and upper cover automatic assembling mechanism set gradually along the direction of transfer of the 4th connecting gear.
2. multiplex roles formula SFP network communication connector production equipment according to claim 1, it is characterized in that: the direction of transfer of described first connecting gear is parallel with the direction of transfer of the 3rd connecting gear, the direction of transfer of vertical first connecting gear of direction of transfer of the second connecting gear and the direction of transfer of the 3rd connecting gear, the direction of transfer of vertical and the 3rd connecting gear of the direction of transfer of the 4th connecting gear.
3. multiplex roles formula SFP network communication connector production equipment according to claim 1, it is characterized in that: in described middle spacer element mould, riveting mechanism includes die shoe and upper bolster, this die shoe is provided with the first passage passed for lower cover and material strip thereof, the gap that during the surface of die shoe is arranged with and supplies, spacer element is passed, gap area first passage, this upper bolster can be arranged at directly over die shoe up and downly, the second channel that in supplying, spacer element and material strip thereof pass is formed between this upper bolster and die shoe, the cutting knife part for middle spacer element being cut down from its material strip is provided with in upper bolster, cutting knife part is positioned at directly over gap.
4. multiplex roles formula SFP network communication connector production equipment according to claim 3, it is characterized in that: be provided with in described upper bolster and movable up and downly compress bar, the lower end compressing bar has one and compresses inclined-plane, and this compresses inclined-plane and is butted on cutting knife part and impels cutting knife part horizontal anomalous movement.
5. multiplex roles formula SFP network communication connector production equipment according to claim 3, is characterized in that: described gap is three that interval equalization is arranged, and each gap corresponding is provided with an aforementioned cutting knife part.
6. a multiplex roles formula SFP network communication connector production technology, is characterized in that: adopt the multiplex roles formula SFP network communication connector production equipment as described in any one of claim 1 to 5, include following steps:
(1) shell fragment is gone out by the punch forming of shell fragment stamping die mechanism, under the effect of the first connecting gear, shell fragment and material strip thereof to be sent in shell fragment mould in riveting mechanism, meanwhile, middle partition is gone out by the punch forming of middle partition stamping die mechanism, under the effect of the second connecting gear, middle partition and material strip thereof to be sent in shell fragment mould in riveting mechanism;
(2) by riveting mechanism work in shell fragment mould by shell fragment riveted on middle partition, and centering partition carries out bending and molding and spacer element in forming, under the effect of the second connecting gear, middle spacer element and material strip thereof to be sent in middle spacer element mould in riveting mechanism; Meanwhile, go out lower cover by the punch forming of lower cover stamping die mechanism, under the effect of the 3rd connecting gear, lower cover and material strip thereof to be sent in middle spacer element mould in riveting mechanism;
(3) by riveting mechanism work in middle spacer element mould by middle spacer element riveted under cover and form lower cover component, under the effect of the 3rd connecting gear, lower cover component and material strip thereof are sent in upper cover automatic assembling mechanism, meanwhile, upper cover is gone out by the punch forming of upper cover stamping die mechanism, under the effect of the 4th connecting gear, upper cover and web feed thereof are in upper cover automatic assembling mechanism;
(4) by the work of upper cover automatic assembling mechanism, upper cover is assemblied in lower cover component.
7. multiplex roles formula SFP network communication connector production technology according to claim 6; it is characterized in that: in described step (1) shell fragment stamping mould machine structure one time punching molded go out three shell fragments; in step (2); in shell fragment mould, three shell fragments are once distinguished riveteds on three middle partitions by riveting mechanism work; in step (3), in middle spacer element mould, three middle spacer element riveteds once cover by riveting mechanism work under one.
8. multiplex roles formula SFP network communication connector production technology according to claim 6, is characterized in that: assembling content includes upper cover and lower cover component combines, side dovetail fastens, middle partition bottom snap and the bending of middle partition afterbody in described step (4).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001313.XA CN105470780B (en) | 2015-12-29 | 2015-12-29 | Multiplex roles formula SFP network communication connectors production equipment and production technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511001313.XA CN105470780B (en) | 2015-12-29 | 2015-12-29 | Multiplex roles formula SFP network communication connectors production equipment and production technology |
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| Publication Number | Publication Date |
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| CN105470780A true CN105470780A (en) | 2016-04-06 |
| CN105470780B CN105470780B (en) | 2018-03-02 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100151733A1 (en) * | 2008-12-11 | 2010-06-17 | Cheng Jung Tsou | Connector shielding apparatus and methods |
| CN201607551U (en) * | 2010-01-05 | 2010-10-13 | 深圳市方向电子有限公司 | SFP+ stacking type network connector |
| CN202119943U (en) * | 2011-06-17 | 2012-01-18 | 深圳市方向电子有限公司 | SFP (Small Form Factor Pluggable) network connector |
| CN203466348U (en) * | 2013-10-06 | 2014-03-05 | 温州意华接插件股份有限公司 | Electric connector |
| CN204257915U (en) * | 2014-12-23 | 2015-04-08 | 广州连捷精密技术有限公司 | Electric connector and metal shell thereof |
| CN205265016U (en) * | 2015-12-29 | 2016-05-25 | 东莞市扬明精密塑胶五金电子有限公司 | Many interfaces formula SFP network communication connection ware production facility |
-
2015
- 2015-12-29 CN CN201511001313.XA patent/CN105470780B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100151733A1 (en) * | 2008-12-11 | 2010-06-17 | Cheng Jung Tsou | Connector shielding apparatus and methods |
| CN201607551U (en) * | 2010-01-05 | 2010-10-13 | 深圳市方向电子有限公司 | SFP+ stacking type network connector |
| CN202119943U (en) * | 2011-06-17 | 2012-01-18 | 深圳市方向电子有限公司 | SFP (Small Form Factor Pluggable) network connector |
| CN203466348U (en) * | 2013-10-06 | 2014-03-05 | 温州意华接插件股份有限公司 | Electric connector |
| CN204257915U (en) * | 2014-12-23 | 2015-04-08 | 广州连捷精密技术有限公司 | Electric connector and metal shell thereof |
| CN205265016U (en) * | 2015-12-29 | 2016-05-25 | 东莞市扬明精密塑胶五金电子有限公司 | Many interfaces formula SFP network communication connection ware production facility |
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| CN105470780B (en) | 2018-03-02 |
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Effective date of registration: 20200102 Address after: No.30, South Chang'an Xingfa Road, Chang'an Town, Dongguan City, Guangdong Province Patentee after: Guangdong huazhan Electronic Co., Ltd Address before: Dongguan City, Guangdong Province, Dongguan City, Changan 523000 Yang Zhen Liwu Industrial Zone sixth Ming Precision Plastic Hardware Electronic Co. Ltd. Patentee before: Dongguan Yangming Precision of Plastic Metal Electronic Co.,Ltd. |