CN110212356B - Grounding connector and male connector and female connector thereof - Google Patents

Grounding connector and male connector and female connector thereof Download PDF

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Publication number
CN110212356B
CN110212356B CN201811451833.4A CN201811451833A CN110212356B CN 110212356 B CN110212356 B CN 110212356B CN 201811451833 A CN201811451833 A CN 201811451833A CN 110212356 B CN110212356 B CN 110212356B
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China
Prior art keywords
male connector
connector
locking sleeve
jaw
contact pin
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CN201811451833.4A
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CN110212356A (en
Inventor
李思行
马松阳
徐丽美
聂鹏飞
黄高峰
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China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical Technology Co Ltd
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Priority to CN201811451833.4A priority Critical patent/CN110212356B/en
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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
    • 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
    • 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
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding   with earth pin, blade or socket
    • 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

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to a grounding connector and a male connector and a female connector thereof. The ground connector includes male joint and female joint, be equipped with inside ground connection link on one of them of two joints, be equipped with outside ground connection link on the other, the front end of two joints is the grafting end, the male joint includes the contact pin, the female joint includes jack and two at least jack catchs, the jack catch extends along the grafting direction and forms the elastic arm structure, the contact pin includes jack catch distraction section, be equipped with the draw-in groove that is in jack catch distraction section rear side on the contact pin, the activity is equipped with and establishes at the peripheral lock sleeve of jack catch after pegging graft to target in place to preceding movable sleeve on the male joint, still be equipped with the elastic component of applying elasticity to the lock sleeve on the male joint, jack catch distraction section front end stretches out the front end of. The male connector can be directly inserted into the female connector, and the contact pin is locked in the jack by the locking sleeve after the male connector is inserted in place; during the separation, hold the lock sleeve and pull backward, with contact pin unblock in the female joint, it is convenient to insert the unblock that closes, labour saving and time saving can avoid the cable distortion moreover to damage.

Description

Grounding connector and male connector and female connector thereof
Technical Field
The invention relates to the technical field of electronic element connectors, in particular to a grounding connector and a male connector and a female connector thereof.
Background
In case of outdoor cabinet, the equipment inside the cabinet may be damaged by thunder and lightning, and therefore, the inside of the cabinet is generally provided with a grounding connector or a welding grounding stud. The utility model discloses a ground connection ware that current ground connection ware is for instance the public ground connection ware of the chinese utility model patent of grant bulletin number CN207691026U, including screw rod portion and the flange portion that is located screw rod portion one end, ground connection ware has the screw hole along screw rod portion axial extension, screw rod portion passes the mounting hole on the rack, the flange portion is located the rack outside, the terminal of colding pressing of inside ground connection cable cup joints on the screw rod portion and realizes inside being connected of inside ground connection cable and ground connection ware through nut and screw rod portion screw-thread fit, outside ground connection cable passes through bolt and ground connection ware external connection, the bolt passes in the terminal screw in screw hole of colding pressing of outside ground connection cable.
When the grounding connector is connected, the bolt and the nut need to be screwed down respectively, so that the external grounding cable and the internal grounding cable can be electrically connected with the grounding connector, the connecting process is time-consuming and labor-consuming, and the cable is easy to twist and damage.
Disclosure of Invention
The invention aims to provide a grounding connector, which aims to solve the problems that the connection process is time-consuming and labor-consuming and the cable is easily twisted and damaged due to the fact that bolts and nuts need to be screwed when the existing grounding connector is connected with the cable; meanwhile, the invention also provides a male connector and a female connector matched with the male connector, which are used for solving the problems.
In order to achieve the purpose, the technical scheme of the grounding connector is as follows:
the grounding connector comprises a male connector and a female connector, wherein one of the two connectors is provided with an internal grounding connecting end used for being connected with an internal grounding piece, the other connector is provided with an external grounding connecting end used for being connected with an external grounding piece, the front ends of the male connector and the female connector are both insertion ends, the male connector comprises a contact pin inserted into the female connector, the female connector comprises a jack for inserting the contact pin and at least two clamping jaws, the clamping jaws extend along the insertion direction to form a spring arm structure, the contact pin comprises a clamping jaw expanding section for expanding the clamping jaws to enable the clamping jaws to expand outwards before the two connectors are inserted in place, the contact pin is provided with a clamping groove which is positioned at the rear side of the clamping jaw expanding section and is matched with the clamping jaws in the insertion direction to prevent the two connectors from separating after the two connectors are inserted in place, a locking sleeve which is movably sleeved on the periphery of the clamping jaws to limit the outward expansion of the clamping jaws after the two connectors are inserted in place is movably assembled on the male The front end of the claw expanding section extends out of the front end of the locking sleeve to be matched with the expanded claw in a blocking manner in the inserting process of the two connectors.
When a contact pin of a male connector is inserted into a female connector, a claw expanding section of the contact pin expands a claw to enable the claw to expand outwards, the expanded claw and a locking sleeve form stop fit in the inserting direction, the claw retreats along with the inward insertion of the contact pin into the locking sleeve, after the insertion is in place, the end part of the claw falls into a clamping groove of the contact pin, the clamping groove and the claw are in stop fit in the inserting direction to prevent the two connectors from being separated, the claw is restored to the original state from the expanding state, the locking sleeve is pushed by an elastic piece to movably sleeve the periphery of the claw forwards and keep a limiting effect on the claw, the claw is prevented from deforming, and the contact pin is locked in; during unlocking, the locking sleeve is pushed to retreat, the end part of the clamping jaw leaves the clamping groove along with the retreat of the locking sleeve, the clamping jaw opening section opens the clamping jaw to expand the clamping jaw outwards, the contact pin is unlocked from the female connector, and the male connector and the female connector are separated. The plugging process of the male connector and the female connector is time-saving and labor-saving, and the cable can be prevented from being distorted and damaged.
The jack is enclosed by the clamping jaws. No additional jack is needed, so that the structure of the female joint is simpler.
And an elastic contact element is arranged in the jack. The elastic contact piece is in elastic contact with the contact pin, so that good conductive connection between the contact pin and the jack can be kept all the time.
The elastic part is a pressure spring which is pressed against the rear side of the locking sleeve. The elastic part has simple structure and is convenient to realize.
The locking sleeve is assembled on the male connector body on the rear side of the contact pin in a guiding and sliding mode. The lock sleeve is simple to install and smooth to move.
The technical scheme of the male connector is as follows:
the male connector comprises a contact pin inserted into the female connector, an external grounding connecting end used for being connected with an external grounding piece is arranged on the male connector, the front end of the male connector forms an inserting end used for being inserted into the female connector, the contact pin comprises a claw spreading section which is used for spreading a claw of the female connector before the male connector and the female connector are inserted in place to enable the claw to spread outwards, a clamping groove which is arranged at the rear side of the claw spreading section and used for blocking and matching with the claw after the male connector and the female connector are inserted in place to prevent the two connectors from being separated is arranged on the contact pin, a locking sleeve which is used for movably sleeving the periphery of the claw in a forward and forward mode after the male connector and the female connector are inserted in place to limit the claw to spread outwards is movably assembled on the male connector, an elastic piece which is used for applying elasticity to the locking sleeve to enable the locking sleeve to movably sleeving the periphery of the claw in the forward direction after the locking sleeve is inserted in place and keeping the limiting effect on the claw is further arranged on the male connector, and the front end of the claw spreading section extends out of the.
When the male connector is plugged with the female connector, the claw opening section of the contact pin can open the claw of the female connector to expand the claw outwards, the contact pin is inserted into the locking sleeve inwards and retreats, after the plug-in is in place, the clamping groove and the claw of the female connector can form stop fit along the plug-in direction, the locking sleeve is pushed by the elastic piece to be movably sleeved on the periphery of the claw which is restored to the original state forward and keeps the limiting effect on the claw, and the contact pin is locked in the female connector; during unlocking, the locking sleeve is pushed to retreat, and along with the retreat of the locking sleeve, the claw expanding section can expand the claw to expand the claw outwards so as to unlock the contact pin from the female connector. When the male connector is plugged into the female connector, time and labor are saved, and the cable can be prevented from being distorted and damaged.
The locking sleeve is assembled on the male connector body on the rear side of the contact pin in a guiding and sliding mode. The lock sleeve is simple to install and smooth to move.
The technical scheme of the female joint is as follows:
female joint is including being used for supplying the male joint's contact pin male jack and two at least jack catchs, and the jack catch extends along the grafting direction and forms the bullet arm structure, is equipped with on the female joint to be used for the inside ground connection link of being connected with inside ground connection spare, and the front end of female joint constitutes the grafting end that is used for supplying male joint cartridge.
When the female connector is plugged with the male connector, the jack is used for accommodating a contact pin of the male connector, and the clamping jaw is matched with the contact pin of the male connector to lock the contact pin in the jack; during the unblock, the jack catch expands the contact pin of opening the male joint outward, realizes the separation with the male joint, and grafting process labour saving and time saving just avoids the cable distortion damage.
The jack is enclosed by the clamping jaws. No additional jack is needed, so that the structure of the female joint is simpler.
And an elastic contact element is arranged in the jack. The elastic contact piece is in elastic contact with the contact pin, so that the contact pin can be always well electrically connected with the jack.
Drawings
FIG. 1 is a schematic view of a female connector according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic front end view of the female connector of FIG. 1;
FIG. 3 is a schematic structural view of the male connector and the female connector when they are connected;
FIG. 4 is a schematic structural view of the male connector and the female connector inserted in place;
FIG. 5 is a schematic structural view showing a female connector fixedly connected to a mounting panel and a male connector inserted into the female connector;
in the figure: 1-a male connector; 11-a male connector body; 12-a pressure spring; 13-an annular boss; 14-a clamp spring; 15-a locking sleeve; 150-annular inward flanging; 16-pin; 161-jaw distraction section; 162-a card slot; 17-inserting pin welding cup; 2-a female joint; 21-a female connector body; 22-a jaw; 23-a crown band; 24-a jack; 25-a jack welding cup; 3-locking the nut; 4-installing the panel.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The embodiment of the electrical connector of the present invention, as shown in fig. 1 to 5, includes a male connector 1 and a female connector 2, wherein the male connector 1 is provided with an external ground connection end for connecting with an external ground connection member, the female connector 2 is provided with an internal ground connection end for connecting with an internal ground connection member, and the front ends of the male connector 1 and the female connector 2 are plug ends. The male connector 1 comprises a male connector main body 11, a pin 16 is arranged on the front side of the male connector main body 11, the pin 16 and the male connector main body 11 are integrally arranged, and the pin 16 is inserted into the female connector 2. The female connector 2 includes a receptacle 24 into which the pin 16 is inserted and three claws 22, the claws 22 extending in the insertion direction to form a spring arm structure. The pin 16 includes a front end large diameter section and a rear end small diameter section, the front end large diameter section forms a jaw expanding section 161 for expanding the jaw 22 to be expanded before the two connectors are inserted in place, the rear end small diameter section is located between the front end large diameter section and the annular boss 13 on the male connector main body 11 to form a clamping groove 162, the front end of the jaw 22 is clamped in the clamping groove 162 after the two connectors are inserted in place, and the jaw 22 and the clamping groove 162 are in blocking fit in the inserting direction to prevent the two connectors from being separated.
The male connector body 11 is movably provided with a locking sleeve 15, and after the two connectors are inserted in place, the locking sleeve 15 is movably sleeved on the periphery of the clamping jaw 22 forwards to limit the outward expansion of the clamping jaw 22. The locking sleeve 15 is in guiding sliding fit with the male connector body 11. The locking sleeve 15 has an annular flange 150 at the rear end, and the annular flange 150 cooperates with the annular boss 13 to limit the locking sleeve 15 on the male connector body 11. An annular boss 13 is integrally arranged on the male connector main body 11, a clamp spring 14 is arranged on the male connector main body 11 behind the annular boss 13, a pressure spring 12 is further sleeved on the male connector main body 11, and two ends of the pressure spring 12 tightly push against the rear side of the locking sleeve 15 and the clamp spring 14 respectively. After the two connectors are inserted in place, the pressure spring 12 applies elasticity to the locking sleeve 15 to enable the locking sleeve to be movably sleeved on the periphery of the clamping jaw 22 forwards and keep the limiting effect on the clamping jaw 22. The inner diameter of the locking sleeve 15 is larger than the diameter of the contact pin 16, and an annular space is formed between the locking sleeve 15 and the contact pin 16 after the locking sleeve 15 is installed on the male connector body 11. The front end of the jaw expanding section 161 extends out of the front end of the locking sleeve 15 to engage with the expanded jaw 22 in a stopping manner during the insertion of the two connectors.
Three claws 22 are located at the front end of the female joint body 21, and the insertion hole 24 is surrounded by the three claws 22. An elastic contact piece, in particular a crown band 23, is arranged in the insertion hole 24. The male connector body 11, the prongs 16, the receptacles 24, the crown 23, and the female connector body 21 are all conductive members.
As shown in fig. 3 and 4, the inner diameter of the front end of the insertion hole 24 is smaller than the diameter of the jaw expanding section 161. When the contact pin 16 is inserted, the claw expanding section 161 expands the claw 22 to expand the claw 22, after the claw 22 expands, the outer diameter is larger than the inner diameter of the locking sleeve 15 to form a stop fit with the locking sleeve 15 in the inserting direction, and the claw moves back along with the inward insertion of the contact pin 16 into the locking sleeve 15; after the two connectors are inserted in place, the end of the insertion hole 24, that is, the end of the jaw 22, falls into the clamping groove 162, the jaw 22 returns to the original state, the clamping groove 162 and the jaw 22 are in stop fit along the insertion direction to lock the contact pin 16 in the insertion hole 24, and the locking sleeve 15 is pushed by the pressure spring 12 to be movably sleeved on the periphery of the jaw 22 forward and keep the limiting effect on the jaw 22, so that the two connectors are prevented from being separated.
When the electrical connector of the present invention is installed, as shown in fig. 5, an internal grounding cable is connected to the internal grounding connection end, i.e., the socket solder cup 25, by crimping or welding, etc., an external grounding cable is connected to the external grounding connection end, i.e., the pin solder cup 17, and the female connector 2 is fixed to the installation panel 4 by the lock nut 3. The male connector 1 can be directly inserted into the female connector 2, and after the male connector is inserted in place, the locking sleeve 15 is matched with the clamping jaw 22 to lock the contact pin 16 in the jack 24; during separation, the locking sleeve 15 is held and pulled backwards, the end part of the clamping jaw 22 is separated from the clamping groove 162 along with the backward movement of the locking sleeve 15, the clamping jaw 22 is expanded by the clamping jaw expanding section 161, the contact pin 16 is unlocked from the female connector 2, and the separation of the male connector 1 and the female connector 2 is realized.
The power connection connector is simple in structure, reliable in connection, convenient to insert, close and unlock, time-saving and labor-saving, and can avoid distortion and damage of cables.
In the above embodiment, the insertion holes on the female joint are surrounded by the claws, so that no additional insertion holes are needed, and the female joint structure is simplified. In other embodiments, the insertion hole and the clamping jaw can be separately arranged, the clamping jaw is arranged at the front end of the female joint main body, the insertion hole is arranged in the female joint main body, and the insertion hole is located on the rear side of the clamping jaw, so that the length of the contact pin needs to be lengthened, and the contact pin firstly passes through the clamping jaw section when being inserted into the insertion hole and then enters the insertion hole.
In the above embodiment, the pin is elastically contacted with the crown band, so as to ensure good conductive connection. However, the elastic contact member is not limited to the crown band, and a contact finger may be used; in other embodiments, the resilient contact may be eliminated such that the pin is in direct conductive contact with the female connector body.
In the above embodiment, the contact pin and the male connector main body are integrally arranged, so that better conductivity between the contact pin and the male connector main body can be ensured. Of course, the two can be arranged separately, and the pin can be fixedly connected with the front end of the male connector main body.
In the above embodiment, the male connector is provided with the pressure spring, and the pressure spring is pressed against the rear side of the locking sleeve to apply forward thrust to the locking sleeve. In other embodiments, a tension spring may be disposed on the male connector, and two ends of the tension spring respectively act on the locking sleeve and the annular boss on the male connector body, and the tension spring provides a forward tension force to the locking sleeve.
In the above embodiment, the front end of the female connector is a plug end, and the rear end is an internal grounding connection end for connecting with an internal grounding member. In other embodiments, both ends of the female connector may be provided as insertion ends, the front end is used for inserting the male connector, and the rear end is used for inserting the internal grounding member. Of course, the internal grounding connection end may not be connected to the internal grounding cable, but directly conduct electricity through the mounting panel of the cabinet, and the cabinet is grounded.
In the above embodiment, the front end of the contact pin is a claw opening section, the contact pin is provided with a clamping groove on the rear side of the claw opening section, the front end of the claw opening section is located on the front side of the front end of the locking sleeve, and when the contact pin is inserted into the jack, the front end of the whole contact pin is used for opening the claw. In other embodiments, the front end of the contact pin can be in clearance fit with the front end of the jack, a stop ring table is arranged in the middle of the contact pin, a clamping groove is arranged on the rear side of the stop ring table, the stop ring table is positioned on the front side of the locking sleeve, when the contact pin is inserted into the jack, the front end of the contact pin is firstly inserted into the jack and is in clearance fit with the front end of the jack, the claw cannot be spread, the stop ring table spreads the claw when the stop ring table is inserted into the jack, the claw is spread and then is matched with the locking sleeve to enable the locking sleeve to retreat until the claw returns to the original state after the front end of the claw is clamped in the clamping groove, and the locking sleeve is pushed by the pressure spring to be movably sleeved on the periphery of the claw forwards and keep the limiting.
In addition, it should be noted that, in the above embodiments, the male connectors are all used for connecting with the external grounding member, the female connectors are all used for connecting with the internal grounding member, which is just one of the connection modes, and the male connectors can also be connected with the internal grounding member, so that the female connectors are connected with the external grounding member, the internal grounding connection ends for connecting with the internal grounding member are arranged on the male connectors, and the external grounding connection ends for connecting with the external grounding member are arranged on the female connectors.
The present invention further provides embodiments of a male connector and a female connector, and the specific structures of the male connector and the female connector are the same as those of the above embodiments of the electrical connector, and are not described herein again.

Claims (5)

1. The grounding connector is characterized by comprising a male connector and a female connector, wherein one of the two connectors is provided with an internal grounding connecting end used for being connected with an internal grounding piece, the other connector is provided with an external grounding connecting end used for being connected with an external grounding piece, the front ends of the male connector and the female connector are both inserting ends, the male connector comprises a contact pin inserted into the female connector, the female connector comprises a jack for inserting the contact pin and at least two claws, the claws extend along the inserting direction to form a spring arm structure, the contact pin comprises a claw expanding section for expanding the claws before the two connectors are inserted in place, the contact pin is provided with a clamping groove which is positioned at the rear side of the claw expanding section and is matched with the claws along the inserting direction after the two connectors are inserted in place to prevent the two connectors from being separated, and the male connector is movably provided with a locking sleeve which is movably sleeved on the peripheries of the claws to limit the claws to expand, the male connector is also provided with an elastic piece which applies elasticity to the locking sleeve to enable the locking sleeve to be movably sleeved on the periphery of the clamping jaw forwards after the locking sleeve is inserted in place and keep the limiting effect on the clamping jaw, and the front end of the clamping jaw opening section extends out of the front end of the locking sleeve to be matched with the opened clamping jaw in a blocking manner in the process of inserting the two connectors; the locking sleeve is assembled on the male connector main body at the rear side of the contact pin in a guiding and sliding manner; the pin comprises a front end large-diameter section and a rear end small-diameter section, the front end large-diameter section forms a jaw expanding section which expands a jaw to be expanded before the two connectors are inserted in place, an annular boss is integrally arranged on the male connector main body, the rear end small-diameter section is positioned between the front end large-diameter section and the annular boss to form a clamping groove, the front end of the jaw is clamped in the clamping groove after the two connectors are inserted in place, the jaw is in stop fit with the clamping groove along the inserting direction to prevent the two connectors from being separated, and the front end face of the annular boss forms a jaw stop face for stopping the jaw to move forwards; the rear end face of the clamping groove is superposed with the front end face of the annular boss, and the outer side face of the clamping jaw is flush with the outer side face of the annular boss after the male connector and the female connector are inserted in place; the rear end of the locking sleeve is provided with an annular inward flanging, the annular inward flanging is in stop fit with the annular boss so as to limit the locking sleeve on the male connector main body, and a locking sleeve stop surface for stopping the locking sleeve to prevent the locking sleeve from being separated from the male connector main body is formed on the rear end face of the annular boss.
2. The ground connector of claim 1, wherein said receptacle is bounded by said fingers.
3. The ground connector of claim 1, wherein said receptacle has a resilient contact member disposed therein.
4. A connector as claimed in any one of claims 1 to 3, wherein the resilient member is a compression spring which bears against the rear side of the locking sleeve.
5. The male connector is characterized by comprising a contact pin inserted into the female connector, an external grounding connecting end used for being connected with an external grounding piece is arranged on the male connector, the front end of the male connector forms an inserting end used for being inserted into the female connector, the contact pin comprises a jaw expanding section used for expanding jaws of the female connector before the male connector and the female connector are inserted in place so as to expand the jaws outwards, a clamping groove which is arranged at the rear side of the jaw expanding section and used for being in stop fit with the jaws along the inserting direction after the male connector and the female connector are inserted in place so as to prevent the two connectors from being separated is arranged on the contact pin, a locking sleeve used for being movably sleeved on the periphery of the jaws to limit the jaws outwards after the male connector and the female connector are inserted in place is movably assembled on the male connector, an elastic piece used for applying elasticity to the locking sleeve so as to be movably sleeved on the periphery of the jaws after the male connector is inserted in place, the front end of the claw stretching section extends out of the front end of the locking sleeve to be matched with the stretched claw in the process of inserting the two connectors; the locking sleeve is assembled on the male connector main body at the rear side of the contact pin in a guiding and sliding manner; the pin comprises a front end large-diameter section and a rear end small-diameter section, the front end large-diameter section forms a jaw expanding section which expands a jaw to be expanded before the two connectors are inserted in place, an annular boss is integrally arranged on the male connector main body, the rear end small-diameter section is positioned between the front end large-diameter section and the annular boss to form a clamping groove, the front end of the jaw is clamped in the clamping groove after the two connectors are inserted in place, the jaw is in stop fit with the clamping groove along the inserting direction to prevent the two connectors from being separated, and the front end face of the annular boss forms a jaw stop face for stopping the jaw to move forwards; the rear end face of the clamping groove is superposed with the front end face of the annular boss, and the outer side face of the clamping jaw is flush with the outer side face of the annular boss after the male connector and the female connector are inserted in place; the rear end of the locking sleeve is provided with an annular inward flanging, the annular inward flanging is in stop fit with the annular boss so as to limit the locking sleeve on the male connector main body, and a locking sleeve stop surface for stopping the locking sleeve to prevent the locking sleeve from being separated from the male connector main body is formed on the rear end face of the annular boss.
CN201811451833.4A 2018-11-30 2018-11-30 Grounding connector and male connector and female connector thereof Active CN110212356B (en)

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