CN212725718U

CN212725718U - Cylindrical connector

Info

Publication number: CN212725718U
Application number: CN202021794093.7U
Authority: CN
Inventors: 白志鹏; 王淼; 崔筱涵
Original assignee: Yueqing Bada Optical Electrical Technology Co ltd
Current assignee: Yueqing Bada Optical Electrical Technology Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-03-16
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a cylindrical connector of small and exquisite, the stable connection of structure. The technical scheme adopted comprises the following steps: the socket comprises a socket shell, a socket rubber core arranged in the socket shell, and a group of power pin terminals and signal pin terminals arranged in the socket rubber core, the plug comprises a plug shell, a plug rubber core arranged in the plug shell, and a group of power jack terminals and signal jack terminals arranged in the plug rubber core, and the socket and the plug are both cylindrical.

Description

Cylindrical connector

Technical Field

The utility model belongs to new forms of energy electric automobile field, concretely relates to connector.

Background

Connectors, also called connectors, are devices that connect two active devices, transmitting current or signals. The connector consists of a socket and a plug which is in plug-in fit with the socket. The existing connector applied to the new energy electric automobile in the current market has the following defects: 1. the structure is mostly square, and the structure size is larger; 2. the rubber core is mostly installed in a tail assembly mode, and the risk of falling off of the terminal or the rubber core exists; 3. the detection method without inserting in place is easy to cause connector ablation caused by virtual connection; 4. the plastic shell is adopted, so that the strength is low, and the connector is easy to deform and break under complex vehicle conditions, so that the connector fails; 5. the conventional connector is locked only once, so that the connector is easily pulled out due to misoperation, and adverse results are caused.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a cylindrical connector that the structure is small and exquisite, connect stably.

In order to solve the above problem, the utility model discloses a technical scheme include: socket and plug of grafting complex, the socket includes socket casing, establishes socket glue core and a set of setting in the socket glue core power contact pin terminal and signal contact pin terminal, the plug includes plug casing, sets up plug glue core and a set of setting in the plug glue the in-core power jack terminal and signal jack terminal, its characterized in that: the socket and the plug are both cylindrical.

The cylindrical connector is characterized in that: the plug rubber core is installed from the front port part of the plug shell and is hung with the first hanging groove in the plug shell through the first elastic hook at the end part, and the side wall of the plug rubber core is provided with a positioning annular convex edge matched with the front port part of the plug shell in a positioning mode.

The cylindrical connector is characterized in that: the socket rubber core is installed from the front port part of the socket shell and is hung with the second hanging groove in the socket shell through the second elastic hanging hook at the end part.

The cylindrical connector is characterized in that: the positioning ring-shaped convex edge is at least provided with a positioning block, and the front port part of the plug shell is provided with a positioning port matched with the positioning block in a positioning way.

The cylindrical connector is characterized in that: the outside cover of plug housing has the plastic shell, the cover has slidable secondary locking sliding sleeve on the plastic shell, secondary locking sliding sleeve through set up third elastic hook with third on the socket housing articulates the groove, and set up stop gear on the plastic shell, right secondary locking sliding sleeve's slip stroke is injectd.

The cylindrical connector is characterized in that: stop gear is including setting up first buckle, the second buckle at plastic shell both ends, the second buckle sets up release button front end on the plastic shell, and the bottom is equipped with the inclined plane, the hook point of third elasticity couple is arranged in the through-hole of release button front end, just the through-hole is located second buckle rear.

The cylindrical connector is characterized in that: the plastic shell is provided with a guide limiting block, and the secondary locking sliding sleeve is provided with a guide limiting groove matched with the guide limiting block.

The cylindrical connector is characterized in that: the end part of the plastic shell is provided with a group of clamping jaws which are circumferentially arranged and furled towards the center, and the clamping jaws are connected with the fourth connecting groove at the end part of the plug shell in a hanging mode.

The cylindrical connector is characterized in that: and a terminal secondary lock catch is arranged in the plug rubber core and used for fixing the power jack terminal.

The cylindrical connector is characterized in that: and a shielding elastic sheet, a shielding outer ring and a shielding inner ring are arranged in the socket shell.

The utility model discloses a cylindrical connector advantage as follows:

1. the round structure is adopted, the whole appearance is smooth, the whole size is small, and the space is saved under the condition of ensuring the safe use of 40A high current;

2. the connector plug and socket inner rubber core is in an opening inverted installation mode, and the jack terminal has a secondary anti-falling structure, so that the retention force of the terminal in the sheath is increased, and the risk of falling-off of the functional terminal is reduced;

3. adopt secondary locking sliding sleeve structure, can visual inspection connector whether insert to close and target in place, carry out secondary locking to the connector again simultaneously, can prevent that the maloperation from resulting in the connector disconnection.

The present invention will be further explained with reference to the drawings attached to the specification.

Drawings

FIG. 1 is a schematic diagram of a cylindrical connector according to the present invention;

fig. 2 is an exploded view of the socket of the present invention;

fig. 3 and 4 are cross-sectional views of the socket of the present invention at different angles;

fig. 5 is a schematic structural diagram of the socket housing of the present invention;

fig. 6 is an exploded view of the plug of the present invention;

fig. 7 and 8 are cross-sectional views of the plug of the present invention at different angles;

fig. 9 is a schematic structural diagram of the plug housing of the present invention;

fig. 10 is a schematic structural view of the plug rubber core of the present invention;

fig. 11 is a schematic structural view of the plastic housing of the present invention;

fig. 12 is a schematic structural view of the secondary locking sliding sleeve of the present invention;

fig. 13 is a cross-sectional view of the cylindrical connector of the present invention in the inserted and secondary locked state;

figure 14 is a cross-sectional view of the cylindrical connector of the present invention with the secondary lock open;

figure 15 is a cross-sectional view of the cylindrical connector of the present invention in a disconnected state.

Detailed Description

Referring to fig. 1-12, the cylindrical connector of the present invention includes a socket 1 and a plug 2 that are mated by plugging. The socket 1 comprises a socket shell 3, a socket rubber core 4 arranged in the socket shell 3, and a group of power pin terminals 5 and signal pin terminals 6 arranged in the socket rubber core 4. The plug 2 comprises a plug shell 7, a plug rubber core 8 arranged in the plug shell 7, and a group of power jack terminals 9 and signal jack terminals 10 arranged in the plug rubber core 8. Socket 1, plug 2 all are cylindrical, just socket casing 3, plug casing 7 are metal casing. After the socket 1 and the plug 2 are plugged, the power pin terminal 5 is plugged with the power pin terminal 5, and the signal pin terminal 6 is plugged with the signal jack terminal 10. The end parts of the power pin terminal 5, the signal pin terminal 6, the power jack terminal 9 and the signal jack terminal 10 are all connected with a lead.

Preferably, the plug rubber core 8 is installed from the front port of the plug housing 7 and is hooked with the first hooking groove 12 in the plug housing 7 through the first elastic hook 11 at the end part. The side wall of the plug rubber core 8 is provided with a positioning annular convex edge 13 which is matched with the front port part of the plug shell 7 in a positioning way. The socket rubber core 4 is installed from the front port of the socket housing 3 and is hooked with the second hooking groove 34 in the socket housing 3 through the second elastic hook 33 at the end.

Preferably, a positioning block 14 is arranged on the positioning annular convex edge 13, and a positioning opening 15 which is in positioning fit with the positioning block 14 is arranged on the front port part of the plug housing 7. The plug rubber core 8 is prevented from rotating in the plug housing 7 by connecting the positioning block 14 with the positioning opening 15.

Preferably, the plug housing 7 is externally sleeved with a plastic shell 16, and the plastic shell 16 is sleeved with a slidable secondary locking sliding sleeve 17. The secondary locking sliding sleeve 17 is hooked with a third hooking groove 19 on the socket shell 3 through a third elastic hook 18, and a limiting mechanism is arranged on the plastic shell 16 to limit the sliding stroke of the secondary locking sliding sleeve 17. Stop gear is including setting up first buckle 20, second buckle 21 at plastic shell 16 both ends, second buckle 21 sets up unblock button 22 front end on the plastic shell 16, just second buckle 21 bottom is equipped with inclined plane 23, and this inclined plane 23 exceeds the inner wall of plastic shell 16. The hook tip of the third elastic hook 18 is disposed in a through hole 24 at the front end of the unlocking button 22, and the through hole 24 is located behind the second buckle 21.

Preferably, a guide limiting block 25 is arranged on the plastic shell 16, and a guide limiting groove 26 matched with the guide limiting block 25 is arranged on the secondary locking sliding sleeve 17. Through the cooperation of the guide limiting block 25 and the guide limiting groove 26, the secondary locking sliding sleeve 17 is guided and limited secondarily when sliding.

Preferably, a set of claws 27 which are arranged circumferentially and are gathered toward the center is arranged at the end of the plastic shell 16, and the claws 27 are hooked with a fourth hooking groove 28 at the end of the plug housing 7. So as to realize the quick connection between the plastic shell 16 and the plug housing 7.

Preferably, a terminal secondary lock catch 29 is arranged in the plug rubber core 8 and used for fixing the power jack terminal 9.

Preferably, the socket housing 3 is provided with a shielding elastic sheet 30, a shielding outer ring 31 and a shielding inner ring 32. The shielding elastic sheet 30 is sleeved in the first annular groove 35 at the front end of the plug shell 7, the shielding inner ring 32 is in compression joint with the shielding layer of the lead, and the shielding outer ring 31 is sleeved on the shielding inner ring 32 to achieve the signal shielding effect of the plug.

Preferably, a wire sealing body 36 and a tail cover 37 are arranged at the rear end of the plug housing 7 to seal and fix the wires. A plug interface sealing ring 39 is arranged in a second annular groove 38 at the front end of the plug shell 7 so as to improve the waterproof effect. The end of the socket housing 3 is provided with a socket pressing plate 40 for fixing the power pin terminal 5 and the signal pin terminal 6 to prevent them from being loosened. The front end of the socket shell 3 is provided with a socket interface sealing ring 41 to improve the waterproof effect.

During assembly: the lead of the plug is respectively pressed into the terminal and the shielding ring and then is loaded into the plug rubber core, the secondary lock catch of the terminal is buckled, then the plug rubber core is loaded into the plug shell from the opening of the shell, and when the cable is pulled from the tail of the connector plug, the stop function of the rubber core step and the plug shell is realized. And wires of the socket are respectively pressed on the terminals and then are arranged in the socket rubber core, then the socket rubber core is arranged in the socket shell from the opening part of the socket shell, then the socket is arranged on the flange panel and is fixed by screws, the plug and the socket are oppositely inserted, and the connection of the terminal is utilized to realize the connection of the main circuit.

The insertion and separation state of the cylindrical connector is shown in figures 13-15:

when the secondary locking sliding sleeve slides backwards, the second buckle on the plastic shell realizes unlocking, the end part of the unlocking button is pressed downwards, the second buckle at the front end of the unlocking button is lifted simultaneously and separated from the third hanging groove at the front end of the socket shell, and the plug is pulled backwards to realize the separation of the plug and the socket.

When the plug is inserted into the socket in a specific direction, when the second buckle inserted into the plastic shell is contacted with the opening of the socket shell, the inclined plane of the plastic shell is lifted along the surface of the socket shell, the plug is continuously pushed forwards, and when the second buckle of the plastic shell is superposed with the third hanging groove at the front end of the socket shell, the second buckle of the plastic shell rebounds downwards to reset, and realizes a one-time locking function with the third hanging groove of the socket shell. And then the secondary locking sliding sleeve is pushed forwards until the hook tip of the third elastic hook passes through the second buckle and is clamped into a third hanging groove at the front end of the socket shell, the second buckle on the plastic shell is compacted by the secondary locking sliding sleeve and cannot be lifted, and the secondary locking function is realized (when the plug and the socket are not inserted in place, the second buckle on the plastic shell is in a lifted state, the secondary locking sliding sleeve is blocked by the second buckle of the plastic shell and cannot move forwards, and the plug and the socket are confirmed to be not inserted in place through visual inspection).

The whole product is inserted, separated and inserted.

In the above, the present invention is not limited to any form, and although the present invention has been disclosed in the above preferred embodiments, it is not limited to the present invention, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments without departing from the technical scope of the present invention, but all the technical matters of the present invention do not depart from the technical scope of the present invention.

Claims

1. The utility model provides a cylindrical connector, is in including grafting complex socket (1) and plug (2), socket (1) includes socket shell (3), establishes socket in socket shell (3) glues core (4) and a set of setting is in power contact pin terminal (5) and signal contact pin terminal (6) in the socket glues core (4), plug (2) are in including plug shell (7), setting plug in plug shell (7) glues core (8) and a set of setting is in power jack terminal (9) and signal jack terminal (10) in core (8) are glued to the plug, its characterized in that: the socket (1) and the plug (2) are both cylindrical.

2. The cylindrical connector of claim 1, wherein: the plug rubber core (8) is installed from the front port part of the plug shell (7) and is hung with a first hanging groove (12) in the plug shell (7) through a first elastic hook (11) at the end part, and a positioning annular convex edge (13) matched with the front port part of the plug shell (7) in a positioning mode is arranged on the side wall of the plug rubber core (8).

3. The cylindrical connector of claim 1, wherein: the socket rubber core (4) is installed from the front port part of the socket shell (3) and is hung with a second hanging groove (34) in the socket shell (3) through a second elastic hook (33) at the end part.

4. The cylindrical connector of claim 2, wherein: the positioning ring-shaped convex edge (13) is at least provided with a positioning block (14), and the front port part of the plug shell (7) is provided with a positioning hole (15) which is matched with the positioning block (14) in a positioning way.

5. The cylindrical connector of claim 1, wherein: the outside cover of plug housing (7) has plastic shell (16), the cover has slidable secondary locking sliding sleeve (17) on plastic shell (16), secondary locking sliding sleeve (17) through set up third elastic hook (18) with third on socket housing (3) articulates groove (19), and set up stop gear on plastic shell (16), it is right the slip stroke of secondary locking sliding sleeve (17) is injectd.

6. The cylindrical connector of claim 5, wherein: stop gear is including setting up first buckle (20), second buckle (21) at plastic shell (16) both ends, second buckle (21) set up unlock button (22) front end on plastic shell (16) and bottom are equipped with inclined plane (23), the hook point of third elasticity couple (18) is arranged in through-hole (24) of unlock button (22) front end, just through-hole (24) are located second buckle (21) rear.

7. The cylindrical connector of claim 5, wherein: be equipped with direction stopper (25) on plastic shell (16), be equipped with on secondary locking sliding sleeve (17) with direction stopper (25) complex direction spacing groove (26).

8. The cylindrical connector of claim 5, wherein: the end part of the plastic shell (16) is provided with a group of clamping jaws (27) which are arranged circumferentially and furled towards the center, and the clamping jaws (27) are connected with a fourth hanging groove (28) at the end part of the plug shell (7) in a hanging mode.

9. The cylindrical connector of claim 1, wherein: and a terminal secondary lock catch (29) is arranged in the plug rubber core (8) and used for fixing the power jack terminal (9).

10. The cylindrical connector according to any one of claims 1-9, wherein: the socket is characterized in that a shielding elastic sheet (30), a shielding outer ring (31) and a shielding inner ring (32) are arranged in the socket shell (3).