CN112086835B - On-line connector and fixing device - Google Patents
On-line connector and fixing device Download PDFInfo
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- CN112086835B CN112086835B CN202010868244.7A CN202010868244A CN112086835B CN 112086835 B CN112086835 B CN 112086835B CN 202010868244 A CN202010868244 A CN 202010868244A CN 112086835 B CN112086835 B CN 112086835B
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- clamping piece
- fixing
- hole
- connector
- fixing device
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
An in-line connector includes a plug assembly and a socket assembly, either of which is provided with a fixing projection on an outer surface of a cable connection end thereof. A fixing device is used for fixing a wire connector on a support plate and comprises a U-shaped spring clamping piece, wherein a through hole and a threaded hole which are penetrated through are formed in the surface of the U-shaped spring clamping piece, and one end with the through hole is connected with a connector clamping piece; the connector clamping piece comprises a nut column, and one end of the nut column is connected with a dovetail clamping piece; the fixing device further comprises a fixing bolt, and the fixing bolt is in threaded connection with the threaded hole of the U-shaped spring clamping piece and sequentially penetrates through the connecting hole of the support plate and the through hole of the U-shaped spring clamping piece to be in threaded connection with the nut column. The on-line connector of the present invention has a base to which a fixing device is attached. The fixing device realizes the anti-loose fixation with the support plate and the quick connection with the online connector, improves the reliability of the online connector, and meets the field installation requirement.
Description
Technical Field
The invention relates to the technical field of aviation connectors, in particular to an online connector and a fixing device for fixing the online connector on the online connector.
Background
In the field of aviation, the requirements for connectors are high, wherein the on-line connectors and electrical modules used on board the aircraft cannot be separately fixedly mounted. An in-line connector is a connector that cannot be fixed before the product is shipped and must be mated with a connector pair of another electrical module at the aircraft assembly site.
At present, the processing mode of the on-line connector is bound in a wire bundle or suspended without fixation. If the on-line connector is not fixed, the connection of the on-line connector is damaged by factors such as overload acceleration, vibration, impact and the like of the airplane; if the wire harness is bound in the wire harness, the reliability of the on-line connector is influenced by friction and signal interference between the wire harnesses.
Obviously, the above method cannot meet the installation requirement of the connector for the airplane, and therefore, a novel online connector and a fixing device thereof are needed.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses an online connector and a fixing device for fixing the online connector, and the fixing device aims to: the reliable fixed to the online connector is realized, improves the reliability of online connector.
In order to achieve the purpose, the invention adopts the following technical scheme:
an in-line connector includes a plug assembly and a socket assembly, either of which is provided with a fixing projection on an outer surface of a cable connection end thereof; the cross section of the fixing lug is trapezoidal, and the longer lower bottom edge is far away from the cable connecting end.
A fixing device applied to an online connector, wherein a connecting hole is formed in a support plate; the fixing device comprises a U-shaped spring clamping piece and a connector clamping piece; the plate surface of the U-shaped spring clamping piece is provided with a through hole and a threaded hole which are penetrated oppositely; the connector clamping piece comprises a nut column, and the nut column is positioned on one side of the U-shaped spring clamping piece, which is provided with a through hole, and is coaxially arranged with the through hole; one end of the nut column, which is far away from the U-shaped spring clamping piece, is connected with a dovetail-shaped clamping piece used for clamping and fixing the bump; the fixing device further comprises a fixing bolt, and the fixing bolt is in threaded connection with the threaded hole of the U-shaped spring clamping piece and sequentially penetrates through the connecting hole of the support plate and the through hole of the U-shaped spring clamping piece to be in threaded connection with the nut column.
Further improves the technical proposal that a nut post is provided with a radial observation hole.
According to the technical scheme, the nut column is divided into a plurality of specifications according to the length.
Further improve technical scheme, the material of dovetail type clamping piece is spring steel.
Further improve technical scheme, the one side plate body that U type spring clip had the screw hole is inwards leaned on.
Further improve technical scheme, be provided with locking gasket between fixing bolt and U type spring clamping piece.
Due to the adoption of the technical scheme, compared with the background technology, the invention has the following beneficial effects:
the on-line connector is provided with a fixing lug, and the fixing lug enables the on-line connector to have a foundation connected with a fixing device.
The fixing device skillfully realizes the anti-loose fixation with the bracket plate and the quick connection with the online connector. The inventive anti-loosening structure realizes reliable fixation of the on-line connector, and improves the reliability of the on-line connector.
Because the mounting plate has certain elasticity, and the connection of dovetail type clamping piece and online connector is the clamp connection of embracing, when the online connector receives external force jerk, can obtain the protection through removing or breaking away from the connection.
The fixing device can be preassembled in advance, can be assembled on site, can adjust the mounting height according to the site, and can be reused, so that the requirements of site mounting are met.
Drawings
Fig. 1 is a schematic view of an inline connector plug assembly.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic structural view of the fixing device.
Fig. 5 is a right side view of fig. 4.
Fig. 6 is a schematic structural view of the connection of the fixing device and the bracket plate.
Fig. 7 is a schematic structural view of the connection between the plug assembly and the fixing device.
Fig. 8 is a schematic view of a preassembly structure of the fixing device.
In the figure: 1. a plug assembly; 11. fixing the bump; 2. a fixing device; 21. a U-shaped spring clip; 22. a nut post; 23. a dovetail-shaped clip; 24. fixing the bolt; 25. a lock washer; 3. a support plate.
Detailed Description
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
An on-line connector comprises a plug assembly 1 and a socket assembly, wherein the plug assembly 1 is plugged with the socket assembly, and connection of the on-line connector is realized. Before the product leaves the factory, the plug assembly 1 is exposed outside and cannot be fixed in the product. The plug assembly 1 must be mated with the receptacle assembly sets of other electrical modules at the aircraft assembly site. However, the fixation of the plugged-in on-line connector becomes a problem.
For this purpose, the present invention is provided with fixing projections 11 on the outer surface of the cable connection end of the plug assembly 1. As shown in fig. 1-3, the fixing protrusion 11 has a trapezoidal cross section, and the longer lower bottom edge is far away from the cable connection end. The fixing projections 11 provide the basis for the connection of the on-line connector to the fixing device 2. The specifications of the wire connectors are various, and the same fixing projection 11 is arranged on the wire connectors of various specifications, so that the wire connectors of all specifications can have a common connection base. Of course, the fixing projection 11 may be provided on the socket assembly.
A fixing device applied to an online connector is used for fixing the online connector on a support plate 3, in the embodiment, the support plate 3 is an L-shaped plate, and a connecting hole is formed in the support plate 3. The support plate 3 can be fixed on the product and can also be fixed on an airplane, and the requirement is determined according to the field installation situation.
As shown in fig. 4-5, the fixing device 2 includes a U-shaped spring clip 21, the U-shaped spring clip 21 is similar to a clip nut, and a through hole and a threaded hole are provided on the surface of the U-shaped spring clip 21, wherein a side plate body having the threaded hole is inclined inward. The connector clamping piece comprises a nut column 22, and the nut column 22 is positioned on one side of the U-shaped spring clamping piece 21 with the through hole and is coaxial with the through hole. And a dovetail-shaped clamping piece 23 used for clamping and fixing the lug 11 is connected to one end of the nut column 22 far away from the U-shaped spring clamping piece 21. The fixing device 2 further comprises a fixing bolt 24 and a locking washer 25.
As shown in fig. 6, when in use, the U-shaped spring clip 21 is inserted into the support plate 3, the anti-loosening washer 25 is installed on the fixing bolt 24, and then the fixing bolt 24 is screwed into the threaded hole of the U-shaped spring clip 21, so that the fixing bolt 24 is screwed with the threaded hole of the U-shaped spring clip 21; then, the fixing bolt 24 is screwed continuously, so that the head of the fixing bolt 24 passes through the connecting hole of the bracket plate 3 and the through hole of the U-shaped spring clip 21 in sequence and is screwed with the threaded hole of the nut column 22. In the screwing process, the plate body on one side of the U-shaped spring clamping piece 21 with the threaded hole moves inwards and deforms, and finally the support plate 3 is clamped between the two plate bodies of the U-shaped spring clamping piece 21. Since the fixing bolt 24 is screwed with the U-shaped spring clip 21 and the nut post 22, the U-shaped spring clip 21 and the nut post 22 are equivalent to double nut tightening of the fixing bolt 24. Double nuts are well known to be provided with a locking function. The U-shaped spring clamping piece 21 has elasticity, and can pre-tighten the standby surface between the U-shaped spring clamping piece 21 and the nut column 22 after deformation. The anti-loosening gasket 25 between the fixing bolt 24 and the U-shaped spring clamping piece 21 can increase the friction area and play a role in assisting in anti-loosening. Compared with the self-locking nut, the fixing device 2 can reduce the generation of redundant objects.
As shown in fig. 7, after the fixing device 2 is installed, the fixing projection 11 of the plugged in-line connector is inserted into the dovetail-shaped clamping piece 23 at the upper end of the nut column 22, so as to complete the fixing of the in-line connector. The dovetail-shaped clamping piece 23 is made of 65Mn and has good rebound resilience, and the dovetail-shaped clamping piece 23 can hold the fixed lug 11 tightly to prevent the fixed lug 11 from falling off; secondly, the utility model can be used repeatedly. In addition, because the supporting plate 3 has certain elasticity and the dovetail-shaped clamping piece 23 is connected with the on-line connector in a clasping way, the on-line connector can be protected by moving or disengaging the connection when being jerked by external force.
As shown in fig. 8, the fixing device 2 may be pre-assembled on the bracket plate 3 of the product or the bracket plate 3 of the airplane in advance, and only the on-line connector needs to be inserted when assembling the product. This reduces the space requirements for field installation.
During field installation, the bracket plate 3 is already arranged, but unexpected problems of too long or too short wiring harness, too high or too low installation and the like are also encountered. To accommodate the complexity at the installation site, the nut posts 22 are divided into multiple sizes by length. The height of the fixing device 2 is adjusted by changing the specification of the nut column 22, so as to solve the above problem.
In order to prevent the fixing bolt 24 from being too long and abutting against the dovetail clip 23, or the fixing bolt 24 from being too short and being too short to be screwed into the nut post 22, two radial observation holes are provided one above the other in the nut post 22. The observation hole at the upper end is used for preventing the fixing bolt 24 from being screwed too long, and the observation hole at the lower end is used for preventing the fixing bolt 24 from being screwed too short. The fixing bolt 24 is suitably long so that the fixing bolt 24 is not visible through the upper end viewing hole, and the fixing bolt 24 is visible through the upper end viewing hole.
In summary, the on-line connector of the present invention has the fixing protrusion 11, and the fixing protrusion 11 forms a base for the on-line connector to connect with the fixing device 2. The fixing device 2 skillfully realizes the anti-loose fixation with the bracket plate 3 and the quick connection with the online connector.
The details of which are not described in detail in the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A securing device for an in-line connector, said in-line connector including a plug assembly and a receptacle assembly, characterized by: a fixing projection is provided on an outer surface of a cable connection end of either the plug assembly or the receptacle assembly; the section of the fixing lug is trapezoidal, and the longer lower bottom edge is far away from the cable connecting end; the fixing device is used for fixing the wire connector on the support plate, and the support plate is provided with a connecting hole; the fixing device comprises a U-shaped spring clamping piece and a connector clamping piece; the plate surface of the U-shaped spring clamping piece is provided with a through hole and a threaded hole which are penetrated oppositely; the connector clamping piece comprises a nut column, and the nut column is positioned on one side of the U-shaped spring clamping piece, which is provided with a through hole, and is coaxially arranged with the through hole; one end of the nut column, which is far away from the U-shaped spring clamping piece, is connected with a dovetail-shaped clamping piece used for clamping and fixing the bump; the fixing device further comprises a fixing bolt, and the fixing bolt is in threaded connection with the threaded hole of the U-shaped spring clamping piece and sequentially penetrates through the connecting hole of the support plate and the through hole of the U-shaped spring clamping piece to be in threaded connection with the nut column.
2. The fixing device of an on-line connector as claimed in claim 1, wherein: the nut column is provided with a radial observation hole.
3. The fixing device of an on-line connector as claimed in claim 1, wherein: the nut column is divided into a plurality of specifications according to the length.
4. The fixing device of an on-line connector as claimed in claim 1, wherein: the dovetail-shaped clamping piece is made of spring steel.
5. An on-line connector securing device as defined in claim 1, wherein: the U-shaped spring clamping piece is provided with a side plate body with a threaded hole, and the side plate body inclines towards the inner side.
6. The fixing device of an on-line connector as claimed in claim 1, wherein: and a locking gasket is arranged between the fixing bolt and the U-shaped spring clamping piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868244.7A CN112086835B (en) | 2020-08-26 | 2020-08-26 | On-line connector and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010868244.7A CN112086835B (en) | 2020-08-26 | 2020-08-26 | On-line connector and fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112086835A CN112086835A (en) | 2020-12-15 |
| CN112086835B true CN112086835B (en) | 2022-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010868244.7A Active CN112086835B (en) | 2020-08-26 | 2020-08-26 | On-line connector and fixing device |
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| Country | Link |
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| CN (1) | CN112086835B (en) |
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| CN201372997Y (en) * | 2009-02-05 | 2009-12-30 | 浙江吉利汽车有限公司 | Laminated spring nut |
| CN202534841U (en) * | 2012-03-19 | 2012-11-14 | 江门市创艺电器有限公司 | LED lamp wiring device |
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| CN204253554U (en) * | 2014-11-03 | 2015-04-08 | 中国航空工业集团公司西安飞机设计研究所 | A kind of spring clip nut |
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| CN205260511U (en) * | 2015-12-30 | 2016-05-25 | 瑞安市振安车辆配件有限公司 | Mounting structure of jump ring nut |
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|---|---|---|---|---|
| CN104213641A (en) * | 2014-08-11 | 2014-12-17 | 美国国绿投资集团 | One-way self-locking shear force-resistance connector for stoplog |
| CN206283058U (en) * | 2016-12-28 | 2017-06-27 | 东莞市康如通电子科技有限公司 | A kind of wiring harness connector with location structure |
| CN208923509U (en) * | 2019-03-29 | 2019-05-31 | 安费诺汽车连接***（常州）有限公司 | A kind of dismountable connector |
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| Publication number | Publication date |
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| CN112086835A (en) | 2020-12-15 |
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Effective date of registration: 20230919 Address after: 1st Floor, Building 2, Zone B, Aviation Science and Technology Innovation City, No. 1031 Hangcheng Avenue, Nanchang High tech Industrial Development Zone, Nanchang City, Jiangxi Province, 330224 Patentee after: AVIC Optoelectronic Interconnection Technology (Nanchang) Co.,Ltd. Address before: 471023 No.10 Zhoushan Road, high tech Zone, Luoyang City, Henan Province Patentee before: AVIC JONHON OPTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |