CN116826453A

CN116826453A - Push-pull self-locking Type-C connector

Info

Publication number: CN116826453A
Application number: CN202211634869.2A
Authority: CN
Inventors: 肖震南
Original assignee: Shenzhen Tuyi Photoelectric Co ltd
Current assignee: Shenzhen Tuyi Photoelectric Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-09-29
Anticipated expiration: 2042-12-19
Also published as: CN116826453B

Abstract

The application relates to a push-pull self-locking Type-C connector, and belongs to the technical field of connector interfaces. Because the Type-C connector structure of the intelligent device is small and compact, the conventional locking structure is difficult to integrate. The application provides a push-pull self-locking Type-C connector, which comprises a connecting female connector, a connecting male connector, a female connector cladding shell, a male connector cladding shell and a male connector locking shell, wherein the female connector cladding shell is used for fixing the connecting female connector into an intelligent device. When the data cable and the connecting male head are pulled, as the connecting male head is fixed in the male head cladding shell, the driving ring table on the male head cladding shell is propped against the locking structure, so that the male head cladding shell and the female head cladding shell are fixed, the effect of strong connection is achieved, and the intelligent equipment is convenient to hang through the data cable; when the male connector and the female connector are required to be connected separately, the male connector locking shell is pulled in a direction away from the female connector cladding shell, and at the moment, the locking structure is unlocked, so that the purpose of connecting the male connector and the female connector separately is achieved.

Description

Push-pull self-locking Type-C connector

Technical Field

The application relates to the technical field of connector interfaces, in particular to a push-pull self-locking Type-C connector.

Background

The USB Type-C interface, called USB-C for short, is located at the bottom or the side of the intelligent device for charging, data transmission and other purposes. The Type-C double-sided pluggable interface has the greatest characteristic of supporting double-sided insertion of the USB interface. The structure of the current Type-C interface is easy to plug and separate, is only suitable for consumption and civil electronics, and cannot meet the requirements of stricter industrial fields and military fields. The application adaptability of the composite material is poor in special environments such as high-temperature environments, low-temperature environments, high-low temperature cyclic impact, high-vibration impact environments, salt spray corrosion (96 hours), mould (more than 1 grade) and the like.

The Type-C connector with easy plug and easy separation structure has the problems of limited installation mode, unsatisfactory installation firmness and the like. In the industrial field and the military field, in a specific use environment, an intelligent device needs to be suspended through a data cable, so that the connection stability and the convenience of disassembly and assembly of a Type-C connector are very critical technical problems.

In the related technical means, for example, the chinese patent of the application with publication number CN110608331a and publication date 2019, 12 and 24 discloses a quick connector, and by setting a spring as a limiting latch, the button has an unlocking permission position and an unlocking restriction position. Unlocking requires that the male connector drives the convex ring to enable the elastic sheet to be pressed, the button moves to an unlocking-allowed position, and then the elastic pressing part is pressed to complete unlocking.

Aiming at the technical means, the quick connector structure occupies large space, a plurality of interrelated parts are needed to be matched, and the Type-C connector structure of the intelligent device is small and compact and is difficult to integrate. If the above-described structure is simply scaled down for integration, a problem of low connection stability is liable to occur.

Disclosure of Invention

In order to solve the problems of connection stability and disassembly convenience of the Type-C connector in the process of hanging intelligent equipment through a data cable, the application provides a push-pull self-locking Type-C connector.

The push-pull self-locking Type-C connector provided by the application adopts the following technical scheme.

The push-pull self-locking Type-C connector comprises a connecting female connector, a connecting male connector in butt joint with the connecting female connector, a female connector cladding shell, a male connector cladding shell and a male connector locking shell, wherein the connecting female connector is fixedly clad by the female connector cladding shell and used for fixing the connecting female connector into intelligent equipment; the male connecting head is fixed in the male connecting head cladding shell, the male connecting head cladding shell is abutted to the female connecting head cladding shell and is provided with a driving ring table, and a locking structure is formed between the male connecting head locking shell and the female connecting head cladding shell and used for locking or unlocking the female connecting head cladding shell and the male connecting head cladding shell; when the male head cladding shell is subjected to a tensile force in a direction away from the female head cladding shell, the driving ring table pushes against the locking structure so as to fix the male head cladding shell and the female head cladding shell; when the male locking shell is pulled away from the direction of the female cladding shell, the locking structure is unlocked so as to separate the male cladding shell from the female cladding shell.

Through adopting above-mentioned technical scheme, female first cladding shell will connect female head to be fixed to intelligent device in, public first cladding shell can dock with female first cladding shell. When the data cable and the connecting male head are pulled, as the connecting male head is fixed in the male head cladding shell, the driving ring table on the male head cladding shell is propped against the locking structure, so that the male head cladding shell and the female head cladding shell are fixed, the effect of strong connection is achieved, and the intelligent equipment is convenient to hang through the data cable; when the male head and the female head are required to be connected separately, the male head locking shell is pulled in a direction away from the female head cladding shell, and the locking structure is unlocked at the moment, so that the male head cladding shell and the female head cladding shell are separated conveniently, and the purpose of connecting the male head and the female head separately is achieved. The structure is small and exquisite, and the wholeness is strong, can improve the connection steadiness and the dismouting convenience problem of connector simultaneously.

Optionally, the female cover shell is provided with a locking ring groove, the male cover shell is further provided with a cable fixing section and a narrowing avoiding section positioned between the driving ring table and the cable fixing section, and the driving ring table passes through the locking ring groove and stretches into the female cover shell; the male locking shell floats and slides on the outer peripheral surface of the male cladding shell along the axis of the male cladding shell, the male locking shell is provided with a locking ring table which is positioned at the narrowing avoiding section and stretches into the locking ring groove, and the locking structure is composed of the locking ring table and the locking ring groove; when the male head cladding shell is subjected to a tensile force in a direction away from the female head cladding shell, the locking ring table blocks the driving ring table from being separated from the female head cladding shell; when the male locking shell is pulled away from the direction of the female cladding shell, the locking ring table is separated from the locking ring groove and is driven to be separated from the female cladding shell.

Through adopting above-mentioned technical scheme, narrow the section of dodging leaves the position of dodging for the locking ring platform to make locking ring platform can get into in the female first cladding shell together with the drive ring platform. The locking structure is composed of a locking ring table and a locking ring groove, when the male head cladding shell is stressed by pulling force in the direction away from the female head cladding shell, the locking ring table limits the driving ring table so as to prevent the driving ring table from being separated from the female head cladding shell, and the locking structure plays a role in fixed connection; when the male locking shell receives the pulling force of keeping away from female first cladding shell direction, because the male locking shell floats and slides in the outer peripheral face of male cladding shell along the axis of male cladding shell, consequently the locking ring platform can deviate from in the locking annular earlier, and then drives the locking ring platform and deviate from in the female first cladding shell to play the effect of unblock, thereby can improve the connection steadiness and the dismouting convenience problem of connector simultaneously.

Optionally, the female head cladding shell is provided with a female head cladding cavity, the connecting female head is fixedly arranged in the female head cladding cavity, and the locking ring groove is arranged on the side wall of the female head cladding cavity; the unilateral wall thickness of the locking ring table is Ta, the unilateral thickness of the locking ring table extending into the locking ring groove is Tx, and the unilateral gap between the driving ring table and the side wall of the female head cladding cavity is D, wherein Ta-Tx is larger than D.

By adopting the technical scheme, the unilateral thickness of the locking ring platform is subtracted from the unilateral thickness of the locking ring platform, which extends into the locking ring groove, and is larger than the distance between the driving ring platform and the lateral wall of the cladding cavity of the female head, so that when the locking ring platform is aligned with the locking ring groove, the driving ring platform cannot be separated from the cladding shell of the female head.

Optionally, the driving ring platform is close to the terminal surface that the section was dodged in narrowing is provided with the chucking and accepts the inclined plane, the inclined direction that the chucking accepted the inclined plane is along being close to the central axis of public first cladding shell and towards the section is dodged in narrowing.

Through adopting above-mentioned technical scheme, the slope direction that the inclined plane was accepted to the chucking is for being close to the central axis of public first cladding shell and dodging the section slope towards narrowing to make when public first cladding shell receives the pulling force of keeping away from female first cladding shell direction, the chucking on the drive ring platform accept the inclined plane and can form the clamp force towards the locking ring groove direction to the locking ring platform, thereby guarantee that the connection of female first cladding shell and public first locking shell is more stable, above-mentioned pulling force is bigger, the locking force is stronger.

Optionally, the locking ring platform is kept away from the terminal surface that connects female head place is provided with the unblock guide slope, the inclination of unblock guide slope is the same with the inclination of chucking accepted inclined plane.

Through adopting above-mentioned technical scheme, the inclination of unblock guide inclined plane is the same with the slope direction that the chucking accepted the inclined plane to make when public first locking shell receives the pulling force of keeping away from female first cladding shell direction, because public first locking shell floats to slide in the outer peripheral face of public first cladding shell along the axis of public first cladding shell, the locking ring platform breaks away from in the locking annular more easily and goes out, improves the dismantlement convenience.

Optionally, the male locking shell includes a locking section of thick bamboo and with a locking section of thick bamboo detachable connection's atress section of thick bamboo, the atress section of thick bamboo along the axis of male cladding shell float slide in the outer peripheral face of cable fixed section, the lock ring platform is located the locking section of thick bamboo is kept away from the terminal surface of atress section of thick bamboo, the cable fixed section has and receives the push ring groove, locking section of thick bamboo butt receive the tank bottom of push ring groove.

Through adopting above-mentioned technical scheme, the locking section of thick bamboo can be connected with female first cladding shell, and the atress section of thick bamboo is used for handheld, convenient to detach operation. Because the cable fixing section is provided with the push ring groove, the locking barrel is propped against the groove bottom of the push ring groove, so that the male locking shell can be driven to separate from the female cladding shell when being stressed and retreated.

Optionally, a clamping ring groove is arranged in the stress cylinder, a clamping ring table which is in clamping fit with the clamping ring groove is arranged on the outer peripheral surface of the locking cylinder, and an assembly groove is arranged on the side wall of the locking cylinder in a penetrating manner and is used for enabling the outer contour of the locking cylinder to elastically deform towards the center; the periphery of the clamping ring table is provided with an installation guide inclined plane which is used for guiding the clamping ring table to enter the clamping ring groove after the locking cylinder enters the stress cylinder.

Through adopting above-mentioned technical scheme, the periphery of chucking ring platform is provided with the installation guide inclined plane, when locking section of thick bamboo and atress section of thick bamboo are assembled, through pushing the locking section of thick bamboo in the atress section of thick bamboo, the installation guide inclined plane gets into the atress section of thick bamboo this moment after guiding chucking ring platform to get into the chucking annular, and the assembly groove that locking section of thick bamboo lateral wall set up provides the space that is used for warp, guarantees that locking section of thick bamboo and atress section of thick bamboo can be very convenient with assemble, improves the equipment convenience.

Optionally, a stress ring groove for increasing unlocking friction force is arranged on the outer circumferential surface of the stress cylinder.

By adopting the technical scheme, the stress ring groove can improve the friction factor of the stress barrel in the operation process, so that the stress barrel is pinched with larger friction force in the process, and the male head cladding shell is convenient to be separated from the female head cladding shell.

Optionally, the side wall of the female cladding cavity is also provided with a sealing ring groove, and a sealing gasket used for propping against the driving ring table and the bottom wall of the sealing ring groove is arranged in the sealing ring groove.

Through adopting above-mentioned technical scheme, the sealing washer supports the diapire that tightly drives movable ring platform and sealing ring groove in the time to make the public head of connection and the connected position who connects female head seal, thereby this push-and-pull auto-lock Type-C connector possesses waterproof dustproof ability.

Optionally, a locking boss used for being locked in the intelligent device is arranged on the peripheral wall of the female head cladding shell.

Through adopting above-mentioned technical scheme, lock the boss admittedly and be used for locking in intelligent device, through fixing the female head of connection in this female head cladding shell to guarantee the connection stability of female head and intelligent device.

In summary, the present application includes at least one of the following beneficial technical effects:

1. stable connection and convenient disassembly and assembly. When the male head cladding shell is pulled in a direction away from the female head cladding shell, the locking ring table limits the driving ring table so as to prevent the driving ring table from being separated from the female head cladding shell, and the locking ring table plays a role in fixed connection; when the male locking shell is pulled in the direction away from the female cladding shell, the male locking shell floats and slides on the outer peripheral surface of the male cladding shell along the axis of the male cladding shell, so that the locking ring table can be separated from the locking ring groove first, and then the locking ring table is driven to be separated from the female cladding shell, so that the unlocking effect is achieved.

2. The assembly is good and the assembly is convenient. The periphery of clamping ring platform is provided with the installation guide inclined plane, when locking section of thick bamboo and atress section of thick bamboo are assembled, through pushing the locking section of thick bamboo in the atress section of thick bamboo, the installation guide inclined plane gets into the clamping ring groove after the atress section of thick bamboo this moment and guides clamping ring platform entering, and the assembly groove that locking section of thick bamboo lateral wall set up provides the space that is used for warp, guarantees that locking section of thick bamboo and atress section of thick bamboo can be very convenient with assemble, improves the equipment convenience.

3. Waterproof, dustproof, the leakproofness is good. The sealing gasket abuts against the bottom wall of the driving ring table and the bottom wall of the sealing ring groove at the same time, so that the connecting position of the connecting male head and the connecting female head is sealed, and the push-pull self-locking Type-C connector has waterproof and dustproof capabilities.

Drawings

FIG. 1 is a schematic diagram showing the overall structure of a push-pull self-locking Type-C connector according to an embodiment of the present application;

FIG. 2 is a schematic diagram showing a side vertical sectional structure of a push-pull self-locking Type-C connector according to an embodiment of the present application;

fig. 3 is a schematic diagram illustrating an exploded structure of a male locking shell according to an embodiment of the application.

Reference numerals illustrate:

100. connecting the female head; 200. connecting a male head; 300. the female head is covered with a shell; 310. a locking ring groove; 320. a female cladding cavity; 330. sealing ring grooves; 340. a sealing gasket; 350. fixing and locking the boss; 400. the male head covers the shell; 410. a cable fixing section; 411. a pushed ring groove; 420. narrowing the avoidance section; 430. driving the ring table; 431. clamping and bearing inclined planes; 500. a male locking shell; 510. a force-bearing cylinder; 511. clamping the ring groove; 512. a stress ring groove; 520. a locking cylinder; 521. a clamping ring table; 5211. installing a guide inclined plane; 522. an assembly groove; 530. a locking ring table; 531. unlocking the guide inclined plane; 532. an empty-avoiding groove; 600. an encapsulating shell.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses a push-pull self-locking Type-C connector which is mainly applied to intelligent equipment with a Type-C interface. In the industrial field and the military field, some specific use environments need to suspend the intelligent device through the data cable, so that the connection stability and the convenience of disassembly and assembly of the Type-C connector are very critical technical problems, and the embodiment of the application is mainly aimed at the technical problems.

Referring to fig. 1 and 2, the push-pull self-locking Type-C connector includes a connection female 100, a connection male 200, a female cover 300, a male cover 400, a male locking housing 500, and an encapsulation housing 600. The connection male 200 can be abutted with the connection female 100, and the data cable is connected to the connection male 200 and fixed by glue sealing through the male cover 400, so that the waterproof and dustproof effects are achieved. The outer circumferential wall of the female cap cover 300 is provided with a locking boss 350 for locking the connection female cap 100 in the smart device, thereby ensuring connection stability of the connection female cap 100 and the circuit board. Meanwhile, the sealing is performed between the connection female 100 and the female cover 300 using epoxy glue, leaving only the pins connecting the female 100. The male cover shell 400 is used for abutting against the female cover shell 300, the male locking shell 500 is slidably moved on the outer circumferential surface of the male cover shell 400 along the axis of the male cover shell 400, and a locking structure is formed between the male locking shell 500 and the female cover shell 300 for locking or unlocking the female cover shell 300 and the male cover shell 400. The encapsulation housing 600 is disposed at the tail end of the male head covering housing 400, and is used for further fixing the male head covering housing 400 and the data cable.

The following describes the locking structure in detail. Referring to fig. 2 and 3, the female cover 300 has a female cover cavity 320, and the connection female 100 is fixedly disposed in the female cover cavity 320. And a locking ring groove 310 is provided at a sidewall of the female cap cavity 320, and the male cap housing 400 and the male cap locking housing 500 are inserted into the female cap cavity 320 together with the male cap 200 when the male cap 200 is docked with the female cap 100.

Correspondingly, the male cladding shell 400 has a driving ring land 430, a cable fixing section 410, and a narrowing relief section 420 between the driving ring land 430 and the cable fixing section 410, the driving ring land 430 passing over the locking ring groove 310 and extending into the cavity bottom of the female cladding cavity 320. The cable fixing section 410 is used for wrapping and fixing the connection position of the data cable and the connection male head 200, the narrowing avoidance section 420 and the driving annular table 430 are coaxially arranged, and the outer circumference of the end section of the narrowing avoidance section 420 is smaller than the outer circumference of the end section of the driving annular table 430. The side wall of the female cladding cavity 320 is further provided with a sealing ring groove 330, a sealing gasket 340 is arranged in the sealing ring groove 330, and the sealing gasket 340 abuts against the bottom wall of the driving ring table 430 and the sealing ring groove 330 at the same time, so that the connecting position of the male connector 200 and the female connector 100 is sealed, and the push-pull self-locking Type-C connector has waterproof and dustproof capabilities.

Referring to fig. 2 and 3, the male locking shell 500 includes a locking cylinder 520 and a force receiving cylinder 510 detachably connected to the locking cylinder 520, and the force receiving cylinder 510 floatingly slides on the outer circumferential surface of the cable fixing section 410 along the axis of the male cover shell 400. The end face of the locking cylinder 520 far away from the stress cylinder 510 is provided with a locking ring table 530, the locking ring table 530 is located at the periphery of the narrowing avoidance section 420 and stretches into the locking ring groove 310, and the narrowing avoidance section 420 leaves a avoidance position for the locking ring table 530, so that the locking ring table 530 and the driving ring table 430 can enter the female head cladding shell 300 together. The surface of the locking ring table 530 is provided with a plurality of empty-avoiding grooves 532, thereby facilitating inward deformation of the locking ring table 530. The locking structure is composed of a locking ring table 530 and a locking ring groove 310 to form an annular locking surface, so as to ensure that the locking stress is uniform and stable. In this embodiment, let the single-side wall thickness of the locking ring 530 be Ta, the single-side wall thickness of the locking ring 530 extending into the locking ring groove 310 be Tx, and the single-side gap between the driving ring 430 and the sidewall of the female cladding cavity 320 be D, ta-Tx > D.

Because the thickness of the single side of the locking ring stand 530 minus the thickness of the single side of the locking ring stand 530 extending into the locking ring groove 310 is greater than the distance between the driving ring stand 430 and the sidewall of the female cladding cavity 320, it is ensured that the driving ring stand 430 cannot be pulled out of the female cladding shell 300 when the locking ring stand 530 is aligned into the locking ring groove 310. Referring to fig. 2, when the data cable and the connection male 200 are pulled, since the connection male 200 is fixed in the male cover 400, the male cover 400 is pulled away from the female cover 300, and the locking ring 530 blocks the driving ring 430 from being separated from the female cover 300, so as to perform a fixing connection function.

The cable fixing section 410 is provided with a pushed ring slot 411 towards the side of the driving ring table 430, and the locking barrel 520 abuts against the slot bottom of the pushed ring slot 411, so that the male locking shell 500 can drive the male cladding shell 400 to separate from the female cladding shell 300 when being forced to retreat. Referring to fig. 2, when it is required to separate the connection male 200 from the connection female 100, the force-receiving cylinder 510 is pulled in a direction away from the female cover 300, the force-receiving cylinder 510 receives a pulling force in a direction away from the female cover 300, the locking ring 530 on the locking cylinder 520 is disengaged from the locking ring groove 310 and drives the locking ring 530 to disengage from the female cover 300, thereby separating the male cover 400 from the female cover 300, and thus achieving the purpose of separating the connection male 200 from the connection female 100. The whole locking structure is strong in integrity, and meanwhile the problems of connection stability and disassembly convenience of the connector can be improved.

Referring to fig. 3, the outer circumferential surface of the force-receiving cylinder 510 is provided with a force-receiving ring groove 512 for increasing an unlocking friction force, and the force-receiving ring groove 512 can increase a friction factor of the force-receiving cylinder 510 during operation, so that a greater friction force is provided during the tightening of the force-receiving cylinder 510, thereby facilitating the removal of the male cover 400 from the female cover 300.

Referring to fig. 2 and 3, in order to improve connection stability between the female and male cover shells 300 and 400, the end surface of the driving ring table 430, where the narrowing avoidance section 420 is located, is provided with a clamping receiving inclined surface 431, and the inclined direction of the clamping receiving inclined surface 431 is along the central axis of the male cover shell 400 and is inclined towards the narrowing avoidance section 420, so that when the male cover shell 400 receives a tensile force in a direction away from the female cover shell 300, the clamping receiving inclined surface 431 on the driving ring table 430 can form a pressing force towards the locking ring groove 310 on the locking ring table 530, thereby ensuring that the connection between the female cover shell 300 and the male locking shell 500 is more stable, and the greater the tensile force received by the male cover shell 400, the stronger the locking force.

Referring to fig. 2, in order to improve the convenience of the assembly and disassembly of the push-pull self-locking Type-C connector, an unlocking guide slope 531 is provided on an end surface of the locking ring base 530, which is far from the connection female head 100, and an inclination direction of the unlocking guide slope 531 is the same as an inclination direction of the chucking receiving slope 431. When the male locking shell 500 receives a tensile force in a direction away from the female cover shell 300, the locking ring 530 is more easily separated from the locking ring groove 310 due to the fact that the male locking shell 500 is slidably moved along the axis of the male cover shell 400 on the outer circumferential surface of the male cover shell 400.

Referring to fig. 2 and 3, the locking cylinder 520 is formed in a substantially hollow cylindrical shape, a locking ring groove 511 is formed in an inner peripheral wall of the force receiving cylinder 510, and a locking ring table 521 is formed on an outer peripheral surface of the locking cylinder 520, and the locking ring table 521 is engaged with the locking ring groove 511. In order to improve the convenience of assembling the locking cylinder 520 and the force receiving cylinder 510, an assembling groove 522 is formed through a sidewall of the locking cylinder 520 for elastically deforming an outer contour of the locking cylinder 520 toward the center. The periphery of clamping ring platform 521 is provided with installation guide inclined plane 5211, when locking section of thick bamboo 520 and atress section of thick bamboo 510 carry out the assembly, through pushing locking section of thick bamboo 520 into atress section of thick bamboo 510, installation guide inclined plane 5211 gets into atress section of thick bamboo 510 this moment after guiding clamping ring platform 521 to get into clamping ring groove 511, and the assembly groove 522 that locking section of thick bamboo 520 lateral wall set up provides the space that is used for the deformation, guarantees that locking section of thick bamboo 520 and atress section of thick bamboo 510 can be very convenient with carry out the assembly, improves the equipment convenience.

The foregoing are preferred embodiments of the present application, and are not intended to limit the scope of the present application. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the above description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component. Therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. The push-pull self-locking Type-C connector comprises a connecting female head (100) and a connecting male head (200) in butt joint with the connecting female head, and is characterized by further comprising a female head coating shell (300), a male head coating shell (400) and a male head locking shell (500), wherein the connecting female head (100) is fixedly coated by the female head coating shell (300) and is used for fixing the connecting female head (100) into intelligent equipment; the connecting male head (200) is fixed in the male head cladding shell (400), the male head cladding shell (400) is abutted against the female head cladding shell (300) and is provided with a driving ring table (430), a locking structure is formed between the male head locking shell (500) and the female head cladding shell (300) and is used for locking or unlocking the female head cladding shell (300) and the male head cladding shell (400); when the male head cladding shell (400) is subjected to a tensile force in a direction away from the female head cladding shell (300), the driving ring table (430) pushes against the locking structure so as to fix the male head cladding shell (400) and the female head cladding shell (300); when the male locking shell (500) is subjected to a tensile force in a direction away from the female cladding shell (300), the locking structure is unlocked to separate the male cladding shell (400) from the female cladding shell (300).

2. The push-pull self-locking Type-C connector according to claim 1, wherein the female cap housing (300) is provided with a locking ring groove (310), the male cap housing (400) further has a cable fixing section (410) and a narrowing avoidance section (420) located between the driving ring table (430) and the cable fixing section (410), and the driving ring table (430) passes over the locking ring groove (310) and extends into the female cap housing (300); the male locking shell (500) slides on the outer peripheral surface of the male cladding shell (400) in a floating manner along the axis of the male cladding shell (400), the male locking shell (500) is provided with a locking ring table (530) which is positioned at the narrowing avoidance section (420) and stretches into the locking ring groove (310), and the locking structure is composed of the locking ring table (530) and the locking ring groove (310); when the male head cladding shell (400) is subjected to a pulling force in a direction away from the female head cladding shell (300), the locking ring table (530) blocks the driving ring table (430) from being separated from the female head cladding shell (300); when the male locking shell (500) is pulled away from the female cladding shell (300), the locking ring table (530) is pulled out of the locking ring groove (310) and drives the locking ring table (530) to be pulled out of the female cladding shell (300).

3. The push-pull self-locking Type-C connector according to claim 2, wherein the female cap housing (300) has a female cap housing cavity (320), the connecting female cap (100) is fixedly disposed in the female cap housing cavity (320), and the locking ring groove (310) is disposed on a side wall of the female cap housing cavity (320); the unilateral wall thickness of the locking ring table (530) is Ta, the unilateral thickness of the locking ring table (530) extending into the locking ring groove (310) is Tx, and the unilateral gap between the driving ring table (430) and the side wall of the female head cladding cavity (320) is D, wherein Ta-Tx > D.

4. The push-pull self-locking Type-C connector according to claim 2, wherein the end surface of the driving ring table (430) close to the narrowing avoidance section (420) is provided with a clamping bearing inclined surface (431), and the inclined direction of the clamping bearing inclined surface (431) is along the central axis close to the male head cladding shell (400) and inclined towards the narrowing avoidance section (420).

5. The push-pull self-locking Type-C connector according to claim 4, wherein an unlocking guiding inclined plane (531) is disposed on an end surface of the locking ring table (530) away from the connection female connector (100), and an inclination direction of the unlocking guiding inclined plane (531) is the same as an inclination direction of the clamping receiving inclined plane (431).

6. The push-pull self-locking Type-C connector according to claim 2, wherein the male locking shell (500) comprises a locking barrel (520) and a force receiving barrel (510) detachably connected with the locking barrel (520), the force receiving barrel (510) is floatingly slid on the outer circumferential surface of the cable fixing section (410) along the axis of the male cladding shell (400), the locking ring table (530) is located on the end surface of the locking barrel (520) far away from the force receiving barrel (510), the cable fixing section (410) is provided with a push ring receiving groove (411), and the locking barrel (520) is abutted against the groove bottom of the push ring receiving groove (411).

7. The push-pull self-locking Type-C connector according to claim 6, wherein a clamping ring groove (511) is formed in the stress barrel (510), a clamping ring table (521) which is in clamping fit with the clamping ring groove (511) is arranged on the outer circumferential surface of the locking barrel (520), and an assembly groove (522) is formed in the side wall of the locking barrel (520) in a penetrating manner, so that the outer contour of the locking barrel (520) is elastically deformed toward the center; the periphery of the clamping ring table (521) is provided with an installation guide inclined plane (5211) which is used for guiding the clamping ring table (521) to enter the clamping ring groove (511) after the locking cylinder (520) enters the stress cylinder (510).

8. The push-pull self-locking Type-C connector according to claim 7, wherein the outer circumferential surface of the force receiving cylinder (510) is provided with a force receiving ring groove (512) for increasing the unlocking friction force.

9. The push-pull self-locking Type-C connector according to claim 3, wherein a sealing ring groove (330) is further provided on a side wall of the female cap coating cavity (320), and a sealing gasket (340) for abutting against the driving ring table (430) and a bottom wall of the sealing ring groove (330) is provided in the sealing ring groove (330).

10. The push-pull self-locking Type-C connector according to claim 1, wherein the peripheral wall of the female cap housing (300) is provided with a locking boss (350) for locking in a smart device.