CN110867691A - Self-locking radio frequency coaxial connector - Google Patents
Self-locking radio frequency coaxial connector Download PDFInfo
- Publication number
- CN110867691A CN110867691A CN201911388244.0A CN201911388244A CN110867691A CN 110867691 A CN110867691 A CN 110867691A CN 201911388244 A CN201911388244 A CN 201911388244A CN 110867691 A CN110867691 A CN 110867691A
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- CN
- China
- Prior art keywords
- threaded sleeve
- male
- shell
- head
- female
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
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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
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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
-
- 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
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- Coupling Device And Connection With Printed Circuit (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a self-locking radio frequency coaxial connector, which belongs to the technical field of connectors and comprises a male head and a female head, wherein the male head and the female head are respectively provided with a shell and an insulator; the front end of the female head shell is provided with external threads, the rear side of the external threads is provided with external teeth, and the rear side of the external teeth is provided with a limiting ring; the front end of the male shell is provided with a front threaded sleeve and a rear threaded sleeve, the front end of the front threaded sleeve is provided with internal teeth, the inner side of the rear end of the front threaded sleeve is provided with a spring clamping groove, the front end of the rear threaded sleeve is provided with internal threads, the outer side of the rear threaded sleeve is provided with a clamping position corresponding to the spring clamping groove, and springs are arranged in the spring clamping groove and the clamping position; when the male head and the female head are connected, the external threads are connected with the internal threads, the external teeth are meshed with the internal teeth, and the front threaded sleeve is tightly jacked by the spring between the rear threaded sleeve and the limiting ring to form self-locking connection. The connector enables the connector to be plugged and combined, and the circuit is more stable to adapt to high-vibration environments.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a self-locking radio frequency coaxial connector.
Background
The threaded connector includes both a plug connector and a receptacle connector. When the plug connector and the socket connector are used, the plug connector and the socket connector are fixedly connected together by using a connecting nut after being plugged, and the plug connector and the socket connector are prevented from being separated from each other due to vibration and the like in the using process. The connection nut is directly matched with the plug connector shell or the socket connector shell in a rotating mode, no anti-loosening structure is arranged between the connection nut and the plug connector shell or the socket connector shell, looseness prevention is achieved completely through threads, in the use occasion with strong vibration, threaded connection is often loosened through vibration, the plugging performance of the plug connector and the socket connector is reduced, even the plug connector and the socket connector are separated through vibration, and normal operation of a circuit system is affected.
The male head and the female head of the connector are connected and fixed by threads to prevent looseness, but the tightening state of the internal and external threads still has a loose gap, so that the threads can loosen in a high-vibration circuit environment, the male head and the female head fall off, and the normal operation of a circuit is influenced.
Disclosure of Invention
The invention aims to overcome the difficulties in the background technology and provide a self-locking radio frequency coaxial connector.
In order to achieve the purpose, the technical scheme is as follows: a self-locking radio frequency coaxial connector comprises a male head and a female head, wherein the male head and the female head are both provided with a shell and an insulator, a contact pin is arranged on the male head insulator, and a jack is arranged on the female head insulator; the front end of the female head shell is provided with external threads, the rear side of the external threads is provided with external teeth, and the rear side of the external teeth is provided with a limiting ring; the front end of the male shell is provided with a front threaded sleeve and a rear threaded sleeve, the front end of the front threaded sleeve is provided with internal teeth, the inner side of the rear end of the front threaded sleeve is provided with a spring clamping groove, the front end of the rear threaded sleeve is provided with internal threads, the outer side of the rear threaded sleeve is provided with a clamping position corresponding to the spring clamping groove, and springs are arranged in the spring clamping groove and the clamping position; when the male head and the female head are connected, the external thread of the shell of the female head is in threaded connection with the internal thread of the rear threaded sleeve, the external tooth of the shell of the female head is meshed with the internal tooth of the front threaded sleeve, and the front threaded sleeve is tightly jacked by a spring between the rear threaded sleeve and the limiting ring of the female head to form self-locking connection.
Further, the front threaded sleeve is provided with a key structure, the rear threaded sleeve is provided with a key groove, and when the front threaded sleeve compresses the spring to rotate towards the rear threaded sleeve direction, the key structure and the key groove are clamped together.
Furthermore, the two sides of the contact pin are provided with insulation sheets.
Furthermore, rubber gaskets are arranged on two sides of the male insulator.
Furthermore, a snap ring and a welding cup are arranged in the male shell, and the welding cup and the male shell are fixed through a clamping nut.
Further, the contact pin is located public first insulator middle part, the jack is located female first insulator middle part.
Furthermore, the rear threaded sleeve is fixedly connected with the male shell through a snap ring.
The beneficial effect who adopts above-mentioned scheme does: this kind of auto-lock radio frequency coaxial connector sets up spring, internal tooth, external screw thread, internal thread and spacing ring, makes can not the rotation each other between connector male head and the female head, prevents that the screw thread from droing, makes the connector insert to close to the environment that can adapt to high vibration, and circuit system is more stable.
Drawings
Fig. 1 is a schematic structural view of a male connector of the self-locking rf coaxial connector of the present invention.
Fig. 2 is a schematic structural view of the female head of the self-locking rf coaxial connector according to the present invention.
Fig. 3 is a schematic view of the self-locking rf coaxial connector screw assembly structure of the present invention.
In the figure, a front threaded sleeve 1, a spring 2, a male insulator 3, a rubber washer 4, a rear threaded sleeve 5, a snap ring 6, a male shell 7, a contact pin 8, a welding cup 9, a clamping nut 10, an insulating sheet 11, internal teeth 21, a key groove 22, a female insulator 31, a jack 32, a female shell 33 and external teeth 41.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A self-locking radio frequency coaxial connector comprises a male head and a female head, wherein the male head and the female head are both provided with a shell and an insulator, a contact pin 8 is arranged on a male head insulator 3, and a jack 32 is arranged on a female head insulator 31; the front end of the female shell 33 is provided with an external thread, the rear side of the external thread is provided with an external tooth 41, and the rear side of the external tooth 41 is provided with a limit ring; the front end of the male shell 7 is provided with a front threaded sleeve 1 and a rear threaded sleeve 5, the front end of the front threaded sleeve 1 is provided with inner teeth 21, the inner side of the rear end of the front threaded sleeve 1 is provided with a spring clamping groove, the front end of the rear threaded sleeve 5 is provided with inner threads, the outer side of the rear threaded sleeve 5 is provided with a clamping position corresponding to the spring clamping groove, and springs 2 are arranged in the spring clamping groove and the clamping position; when connecting public head and female head, make female head shell 33 external screw thread and 5 internal thread threaded connection of back swivel nut, female head shell external tooth 41 meshes with preceding swivel nut internal tooth 21, and preceding swivel nut 1 is pushed up tightly by spring 2 between back swivel nut 5 and the female first spacing ring, forms the auto-lock and connects.
The front threaded sleeve 1 is provided with a key structure, the rear threaded sleeve 5 is provided with a key groove 22, and when the front threaded sleeve 1 compresses the spring 2 to rotate towards the rear threaded sleeve 5, the key structure and the key groove 22 are clamped together.
And two sides of the pin 8 are provided with insulation sheets 11.
And rubber gaskets 4 are arranged on two sides of the male insulator 3.
A snap ring 6 and a welding cup 9 are arranged in the male shell 7, and the welding cup 9 and the male shell 7 are fixed through a clamping nut 10.
The contact pin 8 is located in the middle of the male insulator 3, and the jack 32 is located in the middle of the female insulator 31.
The rear screw sleeve 5 and the male shell 7 are fixedly connected through a snap ring 6.
Referring to fig. 1, which is a schematic structural diagram of the male connector of the self-locking radio frequency coaxial connector of the present invention, a spring 2 is installed in a spring slot of a front threaded sleeve 1, the front threaded sleeve 1 is pressed into a position corresponding to the spring slot in a rear threaded sleeve 5 by a tool, the front threaded sleeve 1 compresses the spring 2 to rotate, so that a key structure of the front threaded sleeve 1 is clamped in a key slot 22 of the rear threaded sleeve 5, forming a screw sleeve assembly, after the assembly is finished, easily compressing the spring 2 and rebounding the spring before checking the screw sleeve 1, checking that the retention force of the screw sleeve 1 is more than or equal to 50N after the assembly, arranging the male insulator 3, the rubber washer 4 and the snap ring 6 into the male shell 7, placing the contact pin 8 in the middle of the male insulator 3, insulating sheets are placed on two sides of the contact pin 8, the screw sleeve assembly is arranged in the male shell 7 through a clamping ring clamp, the rear screw sleeve 5 and the male shell 7 are fixed through a clamping ring 6, and the welding cup 9 is arranged in the male shell 7 and then screwed into the male shell 7 through a clamping nut 10 for fixing. When the male head and the female head of the connector are plugged, the internal thread of the male head rear threaded sleeve 5 is screwed with the external thread of the female head, after the threads are screwed, the front threaded sleeve 1 is rotated to enable the spring 2 to bounce the front threaded sleeve 1, so that the internal tooth 21 of the front threaded sleeve 1 is meshed with the external tooth 41 of the female head shell 33, and the front threaded sleeve 1 is tightly propped between the rear threaded sleeve 5 and the female head limiting ring by the spring 2; so that the female shell 33 and the male thread insert cannot rotate mutually, thereby achieving the function of preventing the threads from loosening and enabling the connector to be inserted and combined to adapt to the high-vibration environment.
Referring to fig. 2, which is a schematic structural diagram of a female head of a self-locking radio frequency coaxial connector of the present invention, the female head includes a female head housing 33, a jack 32 and a female head insulator 31, the female head insulator 31 is pressed into the female head housing 33 by a tool, the jack 32 is pressed into the female head insulator 31, the female head housing 33 has external teeth 41, a male pin 8 is inserted into the female head jack 32, the external teeth 41 of the female head are engaged with the internal teeth 21 of the male front thread insert 1, a stop ring is disposed behind the external teeth 41, and the front thread insert 1 is pressed by a spring 2 between the rear thread insert 5 and the female stop ring.
Referring to fig. 3, which is a schematic structural diagram of the screw sleeve assembly of the self-locking radio frequency coaxial connector of the present invention, a front screw sleeve 1 has internal teeth 21 and a key structure, a rear screw sleeve 5 has internal threads and a key groove 22, a spring slot is arranged on the inner side of the rear end of the front screw sleeve 1, a detent corresponding to the spring slot is arranged on the outer side of the rear screw sleeve 5, a spring 2 is placed in the spring slot, the front screw sleeve 1 is pressed into the detent corresponding to the spring slot by a tool, the front screw sleeve 1 is compressed backwards, the compressed front screw sleeve 1 is rotated by a certain angle to clamp the key structure of the front screw sleeve in the key groove 22 of the rear screw sleeve, so that the front screw sleeve 1 and the rear screw sleeve 5 are fixed, and the front screw sleeve 1 is rotated to allow the spring 2 to rebound the front screw sleeve 1, so that the internal teeth 21 of the front.
In the invention, the structure of the threaded sleeve assembly fixes the threaded sleeve assembly through the spring, the key and the key slot, and performs 3-item fixation through the internal tooth and the internal thread in the male threaded sleeve assembly and the external tooth and the external thread in the female head, so that the inserting and combining pair of the connector cannot be loosened in a high-vibration circuit system, the circuit connection is stable, and the connector is in a self-locking state.
In the invention, the width of the connector female shell 33 is consistent with the width of the outer edge of the rear threaded sleeve 5, the length of the connector female 33 is 64mm, the distance between the female shell 33 and the front end corresponding to the rear threaded sleeve 5 is 12.7mm, the error is 0-0.05mm, the diameter of a round hole at one end of the female shell 33 far away from the external thread is 20mm, the length of a connector male is 44.4mm, the distance between the internal teeth of the connector male and the rear threaded sleeve 5 is 22.3mm, and the diameter of the head of a contact pin 8 is 3.07-3.10 mm. The characteristic impedance of the connector is 50 omega, the working frequency is DC-1 GHz, the voltage standing wave ratio is less than or equal to 1.2, the dielectric withstand voltage is 7000VAC, and the insulation resistance is greater than or equal to 5000M omega.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A self-locking radio frequency coaxial connector comprises a male head and a female head, wherein the male head and the female head are both provided with a shell and an insulator, a contact pin (8) is arranged on a male head insulator (3), and a jack (32) is arranged on a female head insulator (31); the method is characterized in that: the front end of the female head shell (33) is provided with an external thread, the rear side of the external thread is provided with external teeth (41), and the rear side of the external teeth (41) is provided with a limit ring; the front end of the male shell (7) is provided with a front threaded sleeve (1) and a rear threaded sleeve (5), the front end of the front threaded sleeve (1) is provided with internal teeth (21), the inner side of the rear end of the front threaded sleeve (1) is provided with a spring clamping groove, the front end of the rear threaded sleeve (5) is provided with internal threads, the outer side of the rear threaded sleeve (5) is provided with a clamping position corresponding to the spring clamping groove, and a spring (2) is arranged in the spring clamping groove and the clamping position; when connecting public head and female head, make female first shell (33) external screw thread and back swivel nut (5) internal thread threaded connection, female first shell external tooth (41) and preceding swivel nut internal tooth (21) meshing, preceding swivel nut (1) is pushed up tightly by spring (2) between back swivel nut (5) and the female first spacing ring, forms the auto-lock and connects.
2. The self-locking rf coaxial connector of claim 1, wherein: the front threaded sleeve (1) is provided with a key structure, the rear threaded sleeve (5) is provided with a key groove (22), and when the front threaded sleeve (1) compresses the spring (2) to rotate towards the rear threaded sleeve (5), the key structure and the key groove (22) are clamped together.
3. The self-locking rf coaxial connector of claim 1, wherein: insulating sheets (11) are arranged on two sides of the contact pin (8).
4. The self-locking rf coaxial connector of claim 1, wherein: rubber gaskets (4) are arranged on two sides of the male insulator (3).
5. The self-locking rf coaxial connector of claim 1, wherein: a snap ring (6) and a welding cup (9) are arranged in the male shell (7), and the welding cup (9) is fixed with the male shell (7) through a clamping nut (10).
6. The self-locking rf coaxial connector of claim 1, wherein: the contact pin (8) is located in the middle of the male insulator (3), and the jack (32) is located in the middle of the female insulator (31).
7. The self-locking rf coaxial connector of claim 1, wherein: the rear threaded sleeve (5) is fixedly connected with the male shell (7) through a snap ring (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388244.0A CN110867691A (en) | 2019-12-30 | 2019-12-30 | Self-locking radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388244.0A CN110867691A (en) | 2019-12-30 | 2019-12-30 | Self-locking radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110867691A true CN110867691A (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388244.0A Pending CN110867691A (en) | 2019-12-30 | 2019-12-30 | Self-locking radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110867691A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115437079A (en) * | 2022-09-22 | 2022-12-06 | 宫玉锋 | Optical fiber broadband network cable butt-joint structure and connection method thereof |
-
2019
- 2019-12-30 CN CN201911388244.0A patent/CN110867691A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115437079A (en) * | 2022-09-22 | 2022-12-06 | 宫玉锋 | Optical fiber broadband network cable butt-joint structure and connection method thereof |
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