CN210350256U

CN210350256U - Self-locking connector

Info

Publication number: CN210350256U
Application number: CN201921846885.1U
Authority: CN
Inventors: 王健; 孙亚辉
Original assignee: Xi'an Goldwave S&t Co ltd
Current assignee: Xi'an Goldwave S&t Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-04-17
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a self-locking connector, including shell A, the inner conductor, insulator housing B, the locating pin, the gasket, a spring, the rubber packing ring, the snap ring, connect the swivel nut, snap ring and rubber packing ring are installed respectively on shell C, shell A installs on shell C, and clamp shell A with the snap ring and target in place, and shell A can free rotation along shell C, shell D suit is on shell A, the hole and the shell A slotted hole of locating pin are corresponding, the locating pin is pressed in shell D, and the locating pin terminal surface does not exceed shell D's outer disc, the gasket, spring mounting is on shell A, shell B pressure equipment is on shell D, the inner conductor, the insulator is installed in shell C, and use and connect swivel nut threaded connection to shell C and go up fixedly. The connector has the functions of preventing the loosening of threads and quick installation and maintenance, and the colored ribbon marks on the shell A can show whether the connector is inserted in place or not more obviously.

Description

Self-locking connector

Technical Field

The utility model relates to a self-locking connector is a radio frequency coaxial connector, belongs to radio frequency coaxial connector technical field.

Background

The TNC radio frequency coaxial connector is usually an element which is installed on cable sound or is installed on instrument sound and is used as a component for electric connection or separation of a transmission line, in the prior art, the TNC radio frequency coaxial connector adopts a threaded connection structure, and although the TNC radio frequency coaxial connector has the advantages of reliable connection, vibration resistance, strong impact resistance and the like, along with the increasing complexity of the use environment, the whole device used on equipment such as machinery, ship-borne equipment, vehicle-borne equipment and the like puts forward higher requirements on the connection reliability of the connector, and in order to prevent the threaded connection from loosening caused by vibration impact and the like, the whole device breaks down.

At present, a method for installing a fuse on a connecting mechanism appears in the market to improve the connection reliability, but the structure is found to be complicated in the specific using process and is not beneficial to repeated disassembly and assembly of products.

Under the background, a new connector with high connection reliability and shock resistance is urgently needed to meet the market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a radio frequency coaxial connector to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a self-locking connector, includes shell A, inner conductor, insulator housing B, shell C, locating pin, shell D, gasket, spring, rubber packing ring, snap ring, connects the swivel nut, snap ring and rubber packing ring are installed respectively on shell C, shell A installs on shell C to clamp shell A to put in place with the snap ring, and shell A can free rotation along shell C, and shell D suit is on shell A, and the hole and the shell A slotted hole of locating pin are corresponding, and the locating pin is pressed in shell D, and the locating pin terminal surface is not higher than shell D's outer disc, and gasket, spring mounting are on shell A, shell B pressure equipment is on shell D, inner conductor, insulator are installed in shell C to use and connect swivel nut threaded connection to shell C and fix.

Preferably, the shell A and the shell B are correspondingly assembled at the axial position of the self-locking connector, the spring is arranged in a spring clamping groove between the shell B and the shell A, an L-shaped clamping groove is processed on the shell A, and when the shell B is pulled rightwards and rotates, the positioning pin on the shell D is driven to move in the clamping groove, so that the shell B is locked and unlocked.

Preferably, the shell B is provided with sawtooth-shaped teeth which are equally divided according to angles, the heights of the teeth are consistent, the left end of the shell A is provided with internal threads, the shell A can be rotatably inserted into a corresponding connector, and the sawtooth-shaped teeth on the shell B are inserted into the opposite-inserted connector to prevent the threads from loosening.

Preferably, the spring is a compressible spring.

Preferably, the positioning pin is pressed into the shell D, and the corresponding assembly is in interference fit with the shell B and is pressed in by a tool.

Preferably, the housing a is coated with a circle of colored tape for marking the opposite insertion position and checking whether the opposite insertion is in place.

The utility model has the advantages that: the utility model saves the installation of fuse holes, reduces the problem that the connection thread insert of the connector is difficult to punch and process, and shortens the processing period; by adopting the gear mechanism, the punching and binding of the steel wire are omitted, the operation is convenient, quick and simple, and the connector has better shock resistance and better reliability and reusability; the spring mechanism is adopted, so that the shell with the sawtooth gear can move back and forth, and a forward thrust is provided under the locking state of the connector, so that the combined gear is not loosened; the shell B with teeth and the corresponding gear on the shell of the TNC-K type connector are provided with a certain oblique angle, and the gear on the TNC-K type connector and the shell are integrated, so that the difference of the torsional force required by clockwise rotation and anticlockwise rotation is large, and the shell B with teeth can be loosened by overcoming the great torsional force under the condition that the connector is locked, and the design improves the shock resistance of the connector; the small tooth-to-tooth insertion is adopted, so that the engagement between the connectors after the insertion is more accurate; by adopting a clamping groove structure, the shell B moves backwards and rotates during unlocking, and the positioning pin on the shell is clamped in the clamping groove, so that the functions of quick installation and product maintenance are realized; the colored ribbon mark on the shell can more obviously show whether the plug-in is in place or not.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1. the cable comprises shells A, 2, inner conductors, 3, insulators, 4, shells B, 5, shells C, 6, positioning pins, 7, shells D, 8, gaskets, 9, springs, 10, rubber gaskets, 11, snap rings, 12, connecting screw sleeves, 13 and colored bands.

Detailed Description

The invention will be further elucidated with reference to the following figures and specific embodiments:

as shown in fig. 1, a self-locking connector comprises a housing 1, a housing a, 2, an inner conductor 3, an insulator 4, a housing B, 5, a housing C, 6, a positioning pin 7, a housing D, 8, a gasket 9, a spring 10, a rubber washer 11, a snap ring 12, a connecting screw sleeve, wherein the snap ring 11 and the rubber washer 10 are respectively mounted on the housing C5, the housing a1 is mounted on the housing C5, the housing a1 is clamped in place by the snap ring, the housing a1 can freely rotate along the housing C5, the housing D7 is sleeved on the housing a1, a hole of the positioning pin 6 corresponds to a slotted hole of the housing a1, the positioning pin 6 is pressed in the housing D7, the end face of the positioning pin 6 is not higher than the outer circumferential face of the housing D7, the gasket 8 and the spring 9 are mounted on the housing a1, the housing B4 is pressed on the housing D7, the inner conductor 2 and the insulator 3 are mounted in the housing C5, and is fixed by being screwed to the housing C5 using the coupling nut 12.

The shell A1 and the shell B4 are correspondingly assembled on the axial position of the self-locking connector, the spring 9 is arranged in a spring clamping groove between the shell B4 and the shell A1, an L-shaped clamping groove is processed on the shell A1, and when the shell B4 is pulled rightwards and rotated, the positioning pin on the shell D is driven to move in the clamping groove, so that the functions of locking the shell B4 and unlocking the shell B4 are achieved.

The shell B4 is provided with sawtooth-shaped teeth which are equally divided according to angles, the heights of the teeth are consistent, the left end of the shell A1 is provided with internal threads, the shell A1 can be rotatably inserted into a corresponding connector, and the sawtooth-shaped teeth on the shell B4 are inserted into the sawtooth-shaped teeth on the oppositely inserted connector to prevent the threads from loosening. The spring 9 is a compressible spring. The positioning pin 6 is pressed into the shell D7, and the corresponding assembly is in interference fit with the shell B4 and is pressed in by a tool. A ring of colored tape 13 is coated on the housing a1 for marking the position of the opposite insertion and checking whether the opposite insertion is in place.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The embodiments are therefore to be considered in all respects as illustrative and all changes which come within the meaning and range of equivalency are therefore intended to be embraced therein.

Claims

1. The utility model provides a self-locking connector, its characterized in that, includes shell A, inner conductor, insulator housing B, shell C, locating pin, shell D, gasket, spring, rubber packing ring, snap ring, connects the swivel nut, snap ring and rubber packing ring are installed respectively on shell C, shell A installs on shell C and clamps shell A to target in place with the snap ring, and shell A can free rotation along shell C, and shell D suit is on shell A, and the hole of locating pin corresponds with shell A slotted hole, and the locating pin is pressed in shell D, and the locating pin terminal surface is not higher than shell D's outer disc, and gasket, spring mounting are on shell A, shell B pressure equipment is on shell D, inner conductor, insulator are installed in shell C to use and connect swivel nut threaded connection to shell C and fix.

2. The self-locking connector as claimed in claim 1, wherein the housing a and the housing B are correspondingly fitted in the axial position of the self-locking connector, the spring is mounted in a spring slot between the housing B and the housing a, the housing a is formed with an L-shaped slot, and when the housing B is pulled and rotated to the right, the positioning pin on the housing D is driven to move in the slot, thereby locking and unlocking the housing B.

3. The self-locking connector as claimed in claim 1, wherein the housing B is provided with saw-tooth teeth which are equally divided by an angle and have a uniform height, the left end of the housing a is provided with an internal thread, the housing a is rotatably engaged with the corresponding connector, and the saw-tooth teeth of the housing B are engaged with the saw-tooth teeth of the opposite connector to prevent the threads from being released.

4. A self-locking connector as claimed in claim 1, wherein the spring is a compressible spring.

5. The self-locking connector as claimed in claim 1, wherein the positioning pin is pressed into the housing D, and the corresponding assembly is press-fitted into the housing B by a tool.

6. A self-locking connector as claimed in claim 1, wherein the housing a is coated with a colored band for marking the mating position and checking whether the mating position is in place.