CN110212353B - Connector and plug thereof - Google Patents
Connector and plug thereof Download PDFInfo
- Publication number
- CN110212353B CN110212353B CN201810168315.5A CN201810168315A CN110212353B CN 110212353 B CN110212353 B CN 110212353B CN 201810168315 A CN201810168315 A CN 201810168315A CN 110212353 B CN110212353 B CN 110212353B
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- CN
- China
- Prior art keywords
- connecting nut
- shell
- connector
- plug
- elastic piece
- Prior art date
- 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.)
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6277—Snap or like fastening comprising annular latching means, e.g. ring snapping in an annular groove
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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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a connector and a plug thereof. The plug of the connector comprises a shell and a connecting nut assembled on the shell, wherein a ring platform is arranged at the inserting end of the shell, the ring platform is provided with a blocking surface used for being matched with the connecting nut in a blocking mode along the axial direction, an elastic piece used for elastically pressing the connecting nut onto the blocking surface is arranged between the shell and the connecting nut, and a corrugated convex-concave structure extending along the circumferential direction is formed between the ring platform and the connecting nut. When the plug and the socket of the connector are connected in an inserting and combining mode, the elastic piece elastically pushes the connecting nut to the stop surface of the ring platform, axial pre-tightening force is provided for the connecting nut, the possibility of returning the connecting nut is reduced, in addition, the resistance of a corrugated convex-concave structure between the ring platform and the connecting nut needs to be overcome when the connecting nut is loosened, the thread loosening difficulty is increased, even under the condition that the deformation of a corrugated spring is small, the looseness prevention of the connecting nut can be still achieved, and the reliability and the stability of the connector are guaranteed.
Description
Technical Field
The invention relates to a connector and a plug thereof.
Background
In the field of connectors, the way of locking a plug and a socket with a coupling nut has been a very common way. As shown in fig. 1, in most connectors, an O-ring 3 is disposed at a joint between a plug 1 and a socket 2, and locking is performed by a pretightening force of the O-ring 3, but the pretightening force of the O-ring is small and the anti-loose effect is not good.
The announcement date is CN102751617B, and the chinese patent of announcement date 2015.08.26 discloses locking type threaded connector and subassembly thereof, and this connector includes the plug, and the plug includes that the front end is the casing of grafting portion and the connecting nut of anticreep assembly on the casing, the cover is equipped with corrugated spring on the grafting portion of casing, is equipped with the draw-in groove on the outer peripheral face of grafting portion, and the draw-in groove inside callipers is equipped with corrugated spring, and when plug and socket plug-in, the cell wall of the annular on the corrugated spring roof pressure plug, and then provides axial pretightning force for the nut, prevents that connecting nut pine from taking off to take off and roll. The connector realizes vibration resistance and looseness prevention of the electric connector through the corrugated spring.
However, the anti-loosening threaded connector can only achieve anti-loosening of the connecting nut when the plug is plugged, deformation of the corrugated spring is small after the connecting nut is screwed, the plug of the connector is easy to loosen from the socket in a vibration environment, and anti-loosening effect is poor.
Disclosure of Invention
The invention aims to provide a plug of a connector, which solves the problems that the plug of the connector in the prior art is easy to loosen from a socket in a vibration environment and has poor anti-loosening effect; it is also an object of the present invention to provide a connector.
In order to achieve the purpose, the technical scheme of the plug of the connector is as follows: a plug of a connector comprises a shell and a connecting nut assembled on the shell, wherein a ring platform is arranged at the inserting end of the shell, the ring platform is provided with a blocking surface which is used for being matched with the connecting nut in a blocking mode along the axial direction, an elastic piece used for elastically pressing the connecting nut onto the blocking surface is arranged between the shell and the connecting nut, and a corrugated convex-concave structure extending along the circumferential direction is formed between the ring platform and the connecting nut.
The beneficial effects are as follows: when the plug and the socket of the connector are connected in an inserting and combining mode, the plug is locked on the socket through the connecting nut, the elastic piece elastically pushes the connecting nut against the blocking surface of the ring platform, axial pre-tightening force is provided for the connecting nut, the possibility of returning of the connecting nut is reduced, in addition, the resistance of a corrugated convex-concave structure between the ring platform and the connecting nut needs to be overcome when the threads of the connecting nut are loosened, the thread loosening difficulty is increased, even under the condition that the deformation of the corrugated spring is small, the looseness prevention of the connecting nut can be still achieved, and the reliability and the stability of the connector are guaranteed.
The shell is provided with a blocking shaft shoulder, and the elastic piece is arranged between the blocking shaft shoulder and the connecting nut.
And one of the shell and the connecting nut is provided with a fixing structure for fixing the elastic piece.
The elastic piece is a corrugated spring.
The fixing structure is a key groove arranged on a stop shaft shoulder of the shell, and a key matched with the key groove is arranged on the corrugated spring.
The beneficial effects are as follows: the corrugated spring is fixed in the key groove through a key, so that the fixing form is simple, and the installation of the corrugated spring is more convenient.
And the connecting nut is provided with a concave structure which is close to one end of the elastic piece and is used for accommodating the corrugated spring.
The beneficial effects are as follows: the connecting nut is provided with a concave structure which is close to one end of the corrugated spring and used for accommodating the corrugated spring, and after the plug is plugged with the socket, the connecting nut accommodates the corrugated spring in the concave structure, so that the connector is more attractive.
The connecting nut is provided with a threaded connecting structure which is used for being connected with the socket in an adaptive mode, and the threaded connecting structure is an external thread arranged at the inserting end of the shell.
The technical scheme of the connector is as follows: a connector comprises a socket and a plug which is used for being connected with the socket in a matched mode, the plug comprises a shell and a connecting nut which is assembled on the shell, a ring platform is arranged at the inserting end of the shell, the ring platform is provided with a stop surface which is used for being matched with the connecting nut in a stop mode along the axial direction, an elastic piece which is used for enabling the connecting nut to be elastically pressed onto the stop surface is arranged between the shell and the connecting nut, and a corrugated convex-concave structure which extends along the circumferential direction is formed between the ring platform and the connecting nut.
The shell is provided with a blocking shaft shoulder, and the elastic piece is arranged between the blocking shaft shoulder and the connecting nut.
And one of the shell and the connecting nut is provided with a fixing structure for fixing the elastic piece.
The elastic piece is a corrugated spring.
The fixing structure is a key groove arranged on a stop shaft shoulder of the shell, and a key matched with the key groove is arranged on the corrugated spring.
And the connecting nut is provided with a concave structure which is close to one end of the elastic piece and is used for accommodating the corrugated spring.
The connecting nut is provided with a threaded connecting structure which is used for being connected with the socket in an adaptive mode, and the threaded connecting structure is an external thread arranged at the inserting end of the shell.
Drawings
FIG. 1 is a schematic diagram of a plug and socket connection of a connector according to the prior art;
fig. 2 is a schematic structural view of a plug and a socket connection in embodiment 1 of the connector of the present invention;
FIG. 3 is a schematic view of the plug of the connector shown in FIG. 2;
FIG. 4 is an exploded view of the structure of FIG. 3;
FIG. 5 is a schematic structural view of a housing and a wave spring of the plug shown in FIG. 3;
FIG. 6 is a schematic view of the bellows spring of the plug of FIG. 3;
fig. 7 is a schematic view of a coupling nut of the plug shown in fig. 3.
Description of reference numerals: 1. a plug; 2. a socket; an O-shaped sealing ring; 4. a connecting nut; 41. a recessed structure; 5. a housing; 6. a wave spring; 61. a key; 7. stopping the shaft shoulder; 8. a ring platform; 9, a key groove; 10. corrugated convex-concave structure.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In embodiment 1 of the connector of the present invention, as shown in fig. 2 to 7, the connector includes a socket 2 and a plug 1 adapted to be connected to the socket 2, the plug 1 includes a housing 5 and a connecting nut 4 assembled on the housing 5, a ring platform 8 is disposed at an inserting end of the housing 5, the ring platform 8 has a stop surface for axially stopping and matching with the connecting nut 4, an elastic member for elastically pressing the connecting nut 4 against the stop surface is disposed between the housing 5 and the connecting nut 4, in this embodiment, the elastic member is a corrugated spring 6, and a corrugated convex-concave structure 10 extending along a circumferential direction is formed between the ring platform 8 and the connecting nut 4.
In the present embodiment, the housing 5 is provided with a stop shoulder 7, and the wave spring 6 is disposed between the stop shoulder 7 and the connection nut 4. The housing 5 is provided with a fixing structure for fixing the ripple spring 6, in this embodiment, the fixing structure is a key groove 9 provided on the stop shoulder 7, and the ripple spring 6 is fixed in the key groove 9 by a key 61.
In this embodiment, the connection nut 4 is provided with a recess structure 41 near one end of the corrugated spring 6 for accommodating the corrugated spring 6, and the connection nut 4 has a threaded connection structure for being adapted to the socket 2, wherein the threaded connection structure is an external thread arranged at the insertion end of the housing 5.
When the plug 1 and the socket 2 are connected in an inserting and combining mode, the plug 1 is locked on the socket 2 through the connecting nut 4, the connecting nut 4 is elastically pressed onto the stop surface of the annular table 8 through the corrugated spring 6, and axial pre-tightening force is provided for the connecting nut 4. Meanwhile, a corrugated convex-concave structure 10 is formed between the ring platform 8 and the connecting nut 4, the looseness of the connecting nut 4 needs to overcome the resistance of a plurality of corrugated convex-concave structures 10, even under the condition that the deformation quantity of the corrugated spring 6 is small, the looseness prevention of the connecting nut 4 can be realized, and the reliability and the stability of the connector are ensured.
The corrugated spring 6 in the connector provides axial pretightening force for the connecting nut, the loosening difficulty of the connecting nut 4 is increased, the corrugated convex-concave structures 10 are arranged between the ring platform 8 and the connecting nut 4, the resistance of the plurality of corrugated convex-concave structures 10 is required to be overcome when the connecting nut 4 is loosened, and the possibility of the connecting nut 4 backing is reduced.
The plug of the connector according to the present invention has the same structure as the plug of any of the above-described embodiments of the connector according to the present invention, and the description thereof will not be repeated.
Claims (6)
1. A plug of a connector comprising a housing and a coupling nut fitted on the housing, characterized in that: the connecting structure comprises a shell, a connecting nut and a ring platform, wherein the connecting nut is arranged on the shell, the ring platform is arranged at the inserting end of the shell and provided with a blocking surface used for being matched with the connecting nut in a blocking manner along the axial direction, an elastic piece used for elastically pressing the connecting nut onto the blocking surface is arranged between the shell and the connecting nut, and a corrugated convex-concave structure extending along the circumferential direction is formed between the ring platform and the connecting nut; the shell is provided with a stopping shaft shoulder, and the elastic piece is arranged between the stopping shaft shoulder and the connecting nut; the shell is provided with a fixing structure for fixing the elastic piece; the elastic piece is a corrugated spring; the fixing structure is a key groove arranged on a stop shaft shoulder of the shell, and a key matched with the key groove is arranged on the corrugated spring; the key and the key groove are matched to realize the installation of the corrugated spring on the shell.
2. The plug of a connector of claim 1, wherein: and the connecting nut is provided with a concave structure which is close to one end of the elastic piece and is used for accommodating the corrugated spring.
3. The plug of a connector of claim 1, wherein: the connecting nut is provided with a threaded connecting structure which is used for being connected with the socket in an adaptive mode, and the threaded connecting structure is an external thread arranged at the inserting end of the shell.
4. A connector comprising a socket and a plug adapted to be connected to the socket, the plug comprising a housing and a coupling nut fitted to the housing, characterized in that: the connecting structure comprises a shell, a connecting nut and a ring platform, wherein the connecting nut is arranged on the shell, the ring platform is arranged at the inserting end of the shell and provided with a blocking surface used for being matched with the connecting nut in a blocking manner along the axial direction, an elastic piece used for elastically pressing the connecting nut onto the blocking surface is arranged between the shell and the connecting nut, and a corrugated convex-concave structure extending along the circumferential direction is formed between the ring platform and the connecting nut; the elastic piece is arranged between the stop shaft shoulder and the connecting nut; one of the shell and the connecting nut is provided with a fixing structure for fixing the elastic piece; the elastic piece is a corrugated spring; the fixing structure is a key groove arranged on a stop shaft shoulder of the shell, and a key matched with the key groove is arranged on the corrugated spring.
5. The connector of claim 4, wherein: and the connecting nut is provided with a concave structure which is close to one end of the elastic piece and is used for accommodating the corrugated spring.
6. The connector of claim 4, wherein: the connecting nut is provided with a threaded connecting structure which is used for being connected with the socket in an adaptive mode, and the threaded connecting structure is an external thread arranged at the inserting end of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168315.5A CN110212353B (en) | 2018-02-28 | 2018-02-28 | Connector and plug thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810168315.5A CN110212353B (en) | 2018-02-28 | 2018-02-28 | Connector and plug thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110212353A CN110212353A (en) | 2019-09-06 |
| CN110212353B true CN110212353B (en) | 2021-03-23 |
Family
ID=67779011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810168315.5A Active CN110212353B (en) | 2018-02-28 | 2018-02-28 | Connector and plug thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110212353B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007018755B3 (en) * | 2007-04-20 | 2008-09-18 | Continental Automotive Gmbh | Electrical cables plug connection, has springy latching arm arranged on free end of cable core |
| CN102751617A (en) * | 2012-06-21 | 2012-10-24 | 中航光电科技股份有限公司 | Locking threaded connector and assembly thereof |
| CN202906097U (en) * | 2012-11-13 | 2013-04-24 | 营口三桂科技有限公司 | Waterproof anti-looseness data line connector |
| CN203180238U (en) * | 2013-01-31 | 2013-09-04 | 沈阳兴华航空电器有限责任公司 | Thread electric connector with in-place identification mechanism |
| CN204986146U (en) * | 2015-08-31 | 2016-01-20 | 中国电子科技集团公司第四十研究所 | Plug -type fluid connector |
-
2018
- 2018-02-28 CN CN201810168315.5A patent/CN110212353B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007018755B3 (en) * | 2007-04-20 | 2008-09-18 | Continental Automotive Gmbh | Electrical cables plug connection, has springy latching arm arranged on free end of cable core |
| CN102751617A (en) * | 2012-06-21 | 2012-10-24 | 中航光电科技股份有限公司 | Locking threaded connector and assembly thereof |
| CN202906097U (en) * | 2012-11-13 | 2013-04-24 | 营口三桂科技有限公司 | Waterproof anti-looseness data line connector |
| CN203180238U (en) * | 2013-01-31 | 2013-09-04 | 沈阳兴华航空电器有限责任公司 | Thread electric connector with in-place identification mechanism |
| CN204986146U (en) * | 2015-08-31 | 2016-01-20 | 中国电子科技集团公司第四十研究所 | Plug -type fluid connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110212353A (en) | 2019-09-06 |
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