CN203308872U - Threaded connection anti-loosening structure, tail accessories for connector and circular connector - Google Patents
Threaded connection anti-loosening structure, tail accessories for connector and circular connector Download PDFInfo
- Publication number
- CN203308872U CN203308872U CN2013202351249U CN201320235124U CN203308872U CN 203308872 U CN203308872 U CN 203308872U CN 2013202351249 U CN2013202351249 U CN 2013202351249U CN 201320235124 U CN201320235124 U CN 201320235124U CN 203308872 U CN203308872 U CN 203308872U
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- pin
- mounting hole
- connector
- coupling nut
- pin mounting
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Abstract
The utility model relates to a threaded connection anti-loosening structure, tail accessories for a connector and a circular connector. The threaded connection anti-loosening structure comprises a connecting threaded sleeve, inner threads used for forward spinning and locked with corresponding adaptive studs in a spiral mode are formed in the inner circumferential face of the connecting threaded sleeve, pin installing holes penetrating through the sleeve body wall of the connecting threaded sleeve are formed in the connecting threaded sleeve, the internal end hole ports of the pin installing holes are formed in the threaded teeth of internal threads of the connecting threaded sleeve, and pins are arranged in the pin installing holes in a guiding and penetrating mode, wherein the pins are used for being inserted into the threaded grooves of external threads of the studs to stop the connecting threaded sleeve to loosen relative to the studs in a vibration mode and can be broken when the connecting sleeve rotates in an opposite direction. The threaded connection anti-loosening structure is simple and has the anti-loosening function.
Description
Technical field
The utility model relates to anti-loosening structure for thread connection and connector tail accessory and circular connector.
Background technique
Existing circular connector mainly comprises the connector shell that is provided with contact and is arranged at the tail accessory of connector shell rear end, tail accessory comprises attachment housings and the sheathed coupling nut of upper rotation thereof, the rear end of connector shell is provided with the outside thread for being threaded with coupling nut, internal thread by coupling nut during use and the outside thread on connector shell screw to be realized tail accessory is installed on connector shell, when connector uses in the environment of vibration, coupling nut easily occurs rotate the phenomenon that gets loose, at this moment need tail accessory is designed to an anti-loose tail accessory.Existing anti-loose tail accessory as disclosed as Chinese patent CN201303112Y a kind of " self-locking tail accessory provided with plastic claw of round electric connector ", this tail accessory comprises that attachment housings and rotating sleeve be located at the coupling nut on attachment housings, between attachment housings and coupling nut, be provided with provided with plastic claw, the top of provided with plastic claw is provided with straight pin, the coupling nut coordinated with straight pin is provided with positioning pin hole, the inboard of provided with plastic claw be provided with attachment housings on the double wedge of recessed gear ring phase interlock.During use, the nut that is rotatably connected drives provided with plastic claw and overcomes the snap-in force of double wedge and recessed gear ring and rotate around attachment housings, thereby tail accessory is installed on the corresponding connectors housing, when coupling nut rotate in place, utilize the snap-in force self-locking of double wedge and recessed gear ring, thereby realize the anti-loose of coupling nut.The problem that existing this tail accessory exists is: when normal the connection, operator need to overcome double wedge and the snap-in force of recessed gear ring could realize being connected of connector shell and tail accessory, and the manipulation strength during connection is larger; The more important thing is, the structures such as provided with plastic claw, double wedge and recessed gear ring have increased the complex structure degree of tail accessory, have increased the manufacture cost of tail accessory.
Summary of the invention
The purpose of this utility model is to provide a kind of anti-loosening structure for thread connection of simple in structure and tool anti-loose function; The purpose of this utility model also is to provide a kind of connector tail accessory and circular connector that uses this anti-loosening structure for thread connection.
In order to address the above problem, in the utility model, the technological scheme of anti-loosening structure for thread connection is:
Anti-loosening structure for thread connection, comprise the connection swivel nut, on the inner peripheral surface of connection swivel nut, be provided with the internal thread that screws locking for dextrorotation with corresponding adaptive double-screw bolt, on described connection swivel nut, be provided with the pin mounting hole that radially runs through the cover body wall that connects swivel nut, the inner aperture of pin mounting hole is opened on the worm tooth of internal thread of described connection swivel nut, and in described pin mounting hole, guiding is coated with and innerly for the externally threaded thread groove that is plugged in described double-screw bolt, connects that the relative double-screw bolt vibration of swivel nut gets loose and broken pin when connecting the swivel nut derotation to stop.
Described pin is plastic pin.
The inner of described pin is a conical head structure.
Described pin mounting hole has a plurality of, and each pin mounting hole is along connecting circumferentially being evenly arranged of swivel nut.
In the utility model, connector by the technological scheme of tail accessory is:
The connector tail accessory, comprise attachment housings, the periphery of attachment housings is rotated and is arranged with the coupling nut that screws locking for dextrorotation with corresponding intermateable connector housing afterbody, on described coupling nut, be provided with the pin mounting hole of the cover body wall that radially runs through coupling nut, the inner aperture of pin mounting hole is opened on the worm tooth of internal thread of described coupling nut, in described pin mounting hole guiding be coated with inner for the externally threaded thread groove that is plugged in described connector shell to stop the relative connector shell vibration of coupling nut to get loose, and at the broken pin of coupling nut derotation.
Described pin is plastic pin.
The inner of described pin is a conical head structure.
Described pin mounting hole has a plurality of, and each pin mounting hole is along connecting circumferentially being evenly arranged of swivel nut.
In the utility model, the technological scheme of circular connector is:
Circular connector, comprise connector shell and be arranged at the tail accessory of connector shell afterbody, tail accessory comprises attachment housings, the periphery of attachment housings is rotated and is arranged with dextrorotation and screws the coupling nut of locking with described connector shell, on described coupling nut, be provided with the pin mounting hole of the cover body wall that radially runs through coupling nut, the inner aperture of pin mounting hole is opened on the worm tooth of internal thread of described coupling nut, in described pin mounting hole guiding be coated with inner for the externally threaded thread groove that is plugged in described connector shell to stop the relative connector shell vibration of coupling nut to get loose, and at the broken pin of coupling nut derotation.
Described pin is plastic pin.
The beneficial effects of the utility model are: during use, after the coupling nut of tail accessory is connected with connector shell and puts in place when motionless (coupling nut just screwing), the inner of pin is inserted in the externally threaded thread groove of connector shell, intensity by pin self reaches that to stumble coupling nut derotation when stoping the coupling nut vibration loosening, when needing repairing, separate connector can be with tail accessory the time, operator are with certain dynamics derotation coupling nut, twist into two parts pin and just can realize separating of connector shell and tail accessory.Tail accessory of the present utility model only adopts a pin simple in structure just can realize the anti-loose function of tail accessory, has reduced complex structure degree and the fabricating cost of tail accessory.
The accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of circular connector in the utility model, is also simultaneously the use phase diagram that in the utility model, connector is used an embodiment of tail accessory;
Fig. 2 is the I place enlarged view when coupling nut and connector shell connection procedure in Fig. 1;
Fig. 3 is that in Fig. 1, coupling nut is connected the I place enlarged view while putting in place with connector shell;
Fig. 4 is the I place enlarged view while needing coupling nut to separate with connector shell in Fig. 1;
Fig. 5 is the structural representation of an embodiment of anti-loosening structure for thread connection in the utility model.
Embodiment
The embodiment of circular connector is as shown in Fig. 1 ~ 4: comprise connector shell 1 and be arranged at the tail accessory of connector shell afterbody, tail accessory comprises attachment housings 7, the periphery of attachment housings is rotated and is arranged with dextrorotation and screws the coupling nut 5 of locking with connector shell, on the cover body wall of coupling nut around circumferentially being evenly equipped with three pin mounting hole 5-1 that radially run through the cover body wall of coupling nut, the inner aperture of each pin mounting hole all is opened on the worm tooth of internal thread of coupling nut, in each pin mounting hole all guiding be coated with inner thread groove 2-1 for the outside thread 2 that is plugged in connector shell to stop the relative connector shell vibration of coupling nut to get loose, and at the broken pin 4 of coupling nut derotation, the inner of pin is a conical head structure 4-1 who is easy to fracture.In figure, 6 expressions realize the jump ring of coupling nut and the axial anticreep of attachment housings.
During use, the dextrorotation coupling nut is installed on tail accessory on connector shell, and in the installation process of tail accessory, the inner of pin does not extend in the externally threaded thread groove of connector shell; When the tail accessory connection puts (being that coupling nut dextrorotation is motionless) in place, with awl, the inner of at least one pin is inserted in the externally threaded thread groove of connector shell, utilize the structural strength of pin itself to stumble coupling nut, thereby realize the anti-loose function of tail accessory; When needs separate connector housing and tail accessory, the derotation coupling nut, twist into two parts the conical head structure of pin, can realize the separation of tail accessory.
In other embodiment of this circular connector: the number of pin mounting hole can also be one, two, four or other number; The inner of pin also can be column construction; Pin also can be metal pin, and special processing need to be passed through in the broken part of metal pin, for example, punching on the pin broken part or reduce the pin broken part radial dimension so that coupling nut during in derotation pin can be fractureed.
Connector is by the embodiment of tail accessory as shown in Figure 1 and 2: the concrete structure of tail accessory is identical with the tail accessory described in above-mentioned each circular connector embodiment, is not described in detail in this.
The embodiment of anti-loosening structure for thread connection is as shown in Figure 5: comprise and connect swivel nut 12, on the inner peripheral surface of connection swivel nut, be provided with the internal thread 10 that screws locking for dextrorotation with corresponding adaptive double-screw bolt, connect on swivel nut around circumferentially evenly being provided with the pin mounting hole of three cover body walls that radially run through to connect swivel nut, the inner aperture of pin mounting hole is opened on the worm tooth of internal thread of described connection swivel nut, in described pin mounting hole, guiding is coated with and inner for the externally threaded thread groove that is plugged in described double-screw bolt, connect the relative double-screw bolt vibration of swivel nut and get loose to stop, and when connecting the swivel nut derotation broken plastic pin 11, the inner of plastic pin is the conical head structure that is easy to fracture.Anti-loosening structure for thread connection in the utility model can being threaded for any vibration environment.
In other embodiment of this anti-loosening structure for thread connection: the number of pin mounting hole can also be one, two, four or other number; The inner of pin also can be column construction; Pin also can be metal pin, and special processing need to be passed through in the broken part of metal pin, for example, punching on the pin broken part or reduce the pin broken part radial dimension so that coupling nut during in derotation pin can be fractureed.
Claims (10)
1. anti-loosening structure for thread connection, comprise the connection swivel nut, on the inner peripheral surface of connection swivel nut, be provided with the internal thread that screws locking for dextrorotation with corresponding adaptive double-screw bolt, it is characterized in that: on described connection swivel nut, be provided with the pin mounting hole that radially runs through the cover body wall that connects swivel nut, the inner aperture of pin mounting hole is opened on the worm tooth of internal thread of described connection swivel nut, in described pin mounting hole, guiding is coated with and inner for the externally threaded thread groove that is plugged in described double-screw bolt, connect the relative double-screw bolt vibration of swivel nut and get loose to stop, and when connecting the swivel nut derotation broken pin.
2. anti-loosening structure for thread connection according to claim 1, it is characterized in that: described pin is plastic pin.
3. anti-loosening structure for thread connection according to claim 2, it is characterized in that: the inner of described pin is a conical head structure.
4. according to the described anti-loosening structure for thread connection of claim 1 ~ 3 any one, it is characterized in that: described pin mounting hole has a plurality of, and each pin mounting hole is along connecting circumferentially being evenly arranged of swivel nut.
5. connector tail accessory, comprise attachment housings, the periphery of attachment housings is rotated and is arranged with the coupling nut that screws locking for dextrorotation with corresponding intermateable connector housing afterbody, it is characterized in that: the pin mounting hole that is provided with the cover body wall that radially runs through coupling nut on described coupling nut, the inner aperture of pin mounting hole is opened on the worm tooth of internal thread of described coupling nut, in described pin mounting hole guiding be coated with inner for the externally threaded thread groove that is plugged in described connector shell to stop the relative connector shell vibration of coupling nut to get loose, and at the broken pin of coupling nut derotation.
6. connector tail accessory according to claim 5, it is characterized in that: described pin is plastic pin.
7. connector tail accessory according to claim 6, it is characterized in that: the inner of described pin is a conical head structure.
8. according to the described connector tail accessory of claim 5 ~ 7 any one, it is characterized in that: described pin mounting hole has a plurality of, and each pin mounting hole is along connecting circumferentially being evenly arranged of swivel nut.
9. circular connector, comprise connector shell and be arranged at the tail accessory of connector shell afterbody, tail accessory comprises attachment housings, the periphery of attachment housings is rotated and is arranged with dextrorotation and screws the coupling nut of locking with described connector shell, it is characterized in that: the pin mounting hole that is provided with the cover body wall that radially runs through coupling nut on described coupling nut, the inner aperture of pin mounting hole is opened on the worm tooth of internal thread of described coupling nut, in described pin mounting hole guiding be coated with inner for the externally threaded thread groove that is plugged in described connector shell to stop the relative connector shell vibration of coupling nut to get loose, and at the broken pin of coupling nut derotation.
10. circular connector according to claim 9, it is characterized in that: described pin is plastic pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202351249U CN203308872U (en) | 2013-05-03 | 2013-05-03 | Threaded connection anti-loosening structure, tail accessories for connector and circular connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202351249U CN203308872U (en) | 2013-05-03 | 2013-05-03 | Threaded connection anti-loosening structure, tail accessories for connector and circular connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203308872U true CN203308872U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202351249U Expired - Lifetime CN203308872U (en) | 2013-05-03 | 2013-05-03 | Threaded connection anti-loosening structure, tail accessories for connector and circular connector |
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| Country | Link |
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| CN (1) | CN203308872U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555706A (en) * | 2016-11-04 | 2017-04-05 | 上海新力动力设备研究所 | A kind of missile propulsive plant is threadedly coupled stop anti-loose structure |
| CN109428207A (en) * | 2017-08-31 | 2019-03-05 | 中航光电科技股份有限公司 | Connector assembly and its unilateral link block with coupling nut anti-loose structure |
-
2013
- 2013-05-03 CN CN2013202351249U patent/CN203308872U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106555706A (en) * | 2016-11-04 | 2017-04-05 | 上海新力动力设备研究所 | A kind of missile propulsive plant is threadedly coupled stop anti-loose structure |
| CN109428207A (en) * | 2017-08-31 | 2019-03-05 | 中航光电科技股份有限公司 | Connector assembly and its unilateral link block with coupling nut anti-loose structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |