CN212783977U

CN212783977U - Floating waterproof connector

Info

Publication number: CN212783977U
Application number: CN202021788026.4U
Authority: CN
Inventors: 张春建; 周小兵; 陈平; 康宁; 潘力强
Original assignee: Chogori Technology Co Ltd
Current assignee: Chogori Technology Co Ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-23
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a waterproof connector floats, including plug and socket, plug butt joint end is equipped with the guide piece of mutually supporting respectively with socket butt joint end, the plug is accomplished the guide through the guide piece with the socket and is connected inserting, the installation panel department of socket still sets firmly and is used for realizing inserting waterproof sealing pad, the power jack of socket installation all overlaps with the signal jack outward and is equipped with and is used for realizing inserting waterproof and the inside waterproof elastic sealing circle of terminal. The utility model discloses install the power jack on the socket and be perpendicular design with being connected the copper bar, signal jack is perpendicular design with the wire, reduces the thickness of socket to reduce connector thickness and then reduce battery package occupation space. The utility model discloses a guide cooperation through design is the gliding plug housing that floats freely, combines the mistake proofing piece that sets up in the guide to ensure that plug and socket is accurate with the correct direction to inserting the connection simultaneously.

Description

Floating waterproof connector

Technical Field

The utility model relates to a connector field, in particular to waterproof connector floats.

Background

The thickness of the floating connector in the replaceable battery pack of the existing new energy electric automobile and the electric motorcycle is large, the occupied volume space of the battery pack is large, if long-time endurance is required, a large space is occupied, but if the battery pack with the same structure and small occupied space is replaced, the battery capacity is small, and the endurance is insufficient;

meanwhile, when the connector is in hard connection with the busbar copper bar at present, the connector and the busbar copper bar are easily stressed due to position deviation of the connector, so that stress such as welding spots, rivet turnover and the like on the terminal switching position of the connector is caused, the terminal switching position is cracked, the through-flow of the connector is insufficient, the temperature rise is increased, and fire and other problems are possibly caused seriously;

most of the floating connector guide structures on the market at present adopt a guide post form, and if the guide post is a stainless steel guide post, although the strength is improved, the cost is increased due to machining, and the production efficiency is low; if the plastic guide pillar is used, although the cost is saved, the strength is not high, and the guide pillar is easy to break.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the floating waterproof connector solves the problems that the existing connector is large in thickness and occupied area, the connecting copper bar cannot transfer and release stress, and the guide structure is high in cost or volatile.

The technical solution of the utility model is that: the utility model provides a waterproof connector floats, includes plug and socket, and its special character lies in, plug butt joint end is equipped with the guide piece of mutually supporting respectively with socket butt joint end, the plug passes through the guide piece with the socket and accomplishes the guide and to inserting the connection, the installation panel department of socket still sets firmly and is used for realizing inserting waterproof sealed pad, the power jack of socket installation all overlaps with the signal jack outward and is equipped with and is used for realizing inserting waterproof and the inside waterproof elastic sealing circle of terminal.

Preferably, the method comprises the following steps: the socket comprises a socket shell, a power terminal, a signal terminal and a fixed pressing plate, wherein the power terminal and the signal terminal are respectively installed and enter the socket shell from top to bottom, the power terminal installation hole and the signal terminal installation hole are formed in the socket shell in a penetrating mode, the fixed pressing plate is fixed to the back face of the socket shell through the cooperation of a plurality of locking lugs arranged on the back face of the socket shell in a downward protruding mode and a plurality of locking lugs arranged on the back face of the jack shell in a corresponding mode, the fixed pressing plate is further fixed through a fixing bolt and used for preventing the power terminal and the signal.

Preferably, the method comprises the following steps: the power terminal includes power jack and connection copper bar, connect the copper bar suit and be in power jack afterbody, just be 90 arranging after connecting copper bar and power jack for reduce socket end power terminal's thickness, the concave first annular that is equipped with on the power jack outer wall, the elastic sealing member suit is packed into in the first annular.

Preferably, the method comprises the following steps: the connecting copper bar is penetrated by a connecting round hole, the connecting round hole is connected with the socket through a fixing piece, and the power terminal is tightly fixed on the jack shell and used for eliminating stress received by the connecting copper bar and further preventing the power terminal from withdrawing PIN.

Preferably, the method comprises the following steps: the signal terminal comprises a signal jack and a lead, the lead is connected with the tail end of the signal jack, under the guiding action of the socket shell and the fixed pressing plate, the guide groove arranged along the back of the socket shell and the signal jack form a 90-degree bending outgoing line, the thickness of the signal terminal at the socket end is reduced, a second annular groove is concavely arranged on the outer wall of the signal jack, and the elastic sealing piece is sleeved in the second annular groove.

Preferably, the method comprises the following steps: the signal jack is further sleeved with a positioning claw, a flange is further arranged at the rear part of the signal jack, a positioning step is arranged in the inward protruding mode of the signal terminal mounting hole, and after the signal terminal enters the signal terminal mounting hole, the positioning claw abuts against the flange and the positioning step to further prevent the signal terminal from withdrawing PIN.

Preferably, the method comprises the following steps: the plug comprises a plug shell, a plug base and a floating plug shell, the plug shell and the plug base are connected through a fixing piece, a hollow cavity is formed inside, a guide piece arranged in the hollow cavity and on the floating plug shell penetrates through the plug shell, the floating plug shell freely slides in the hollow cavity and is used for plug connection of a plug adaptive socket.

Preferably, the method comprises the following steps: the guide piece comprises a guide hole formed in the opposite insertion end of the socket in a protruding mode and a guide column formed in the floating plug shell in a protruding mode, and the guide column is matched with the guide hole to achieve opposite insertion connection of the guide plug and the socket.

Preferably, the method comprises the following steps: the guide piece comprises a first cavity formed by the socket opposite to the plug-in end in a protruding mode and a second cavity formed by the floating plug shell in a protruding mode, a large chamfer is arranged on the inner wall of the top end of the first cavity, a chamfer is arranged on the outer wall of the top end of the second cavity, the second cavity is sleeved in the first cavity, and the opposite-plug connection of the guide plug and the socket is facilitated.

Preferably, the method comprises the following steps: the first cavity inner wall is convexly provided with an error-proof convex block, the corresponding position of the second cavity outer wall is concavely provided with an error-proof opening, and the error-proof opening is used for preventing the plug and the socket from being inserted in the opposite direction.

Compared with the prior art, the beneficial effects of the utility model are that:

the power jack and the connecting copper bar which are arranged on the socket shell are mutually connected in an angle of 90 degrees, and the signal jack and the wire are connected in an angle of 90 degrees, so that the thickness of the socket can be greatly reduced in an arrangement mode, and the occupied area of a butted connector in a battery pack is reduced;

the power terminal is fixedly connected with the copper plate through the fixing screw and is installed on the socket shell, and meanwhile, the fixing screw is matched with the fixing pressing plate fixed on the back face of the socket shell, so that the power terminal is prevented from being withdrawn from the PIN, and high-reliability connection is realized;

the signal terminal is installed on the socket shell by adopting the matching of the flange of the positioning claw and the positioning step, and is matched with the fixed pressing plate fixed on the back surface of the socket shell, so that the PIN withdrawing of the signal terminal is prevented doubly, and the high-reliability connection is realized;

fourth, the guiding pieces arranged on the plug and the socket respectively are used for guiding the plug and the socket to be connected in an opposite inserting mode, meanwhile, the chamfer design of the inserting end and the free sliding design of the floating plug shell are matched, the plug and the socket are connected in an opposite inserting mode more conveniently, meanwhile, the guiding pieces are designed in a mistake-proofing mode, and the plug and the socket can be connected in an opposite inserting mode in the correct direction every time.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of a receptacle;

FIG. 2 is a schematic view of the receptacle in partial section;

FIG. 3 is a front view of the receptacle;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 3;

FIG. 6 is a schematic view of a first embodiment of a plug, partially broken away;

FIG. 7 is a schematic structural view of a second embodiment of a jack;

fig. 8 is a schematic structural view of a second embodiment of the plug.

Description of the main Components

1 socket	11 socket body	111 locking lug	112 guide groove
				12 power terminal	121 power jack	122 connecting copper bar	13 signal terminal
131 signal jack	132 conducting wire	133 positioning claw	134 flange
				14 fixed pressing plate	141 fastener	16 positioning step	17 guide hole
18 first cavity	181 mistake proofing bump	2 plug	21 plug shell
				22 plug base	23 Floating plug shell	231 guide post	232 second cavity
2321 mistake proofing gap	3 waterproof gasket	4O-shaped sealing ring

Detailed Description

The utility model discloses the following will make further detail with the accompanying drawing:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.

Example 1:

referring to fig. 1, 2, 3, and 6, a floating waterproof connector includes a socket 1 and a plug 2, wherein a mating end of the socket 1 is convexly provided with a guiding hole 17, a mating end of the plug 2 is convexly provided with a guiding post 231, and when the socket 1 and the plug 2 are mated, the guiding hole 17 is sleeved with the guiding post 231 to realize the mating connection of the plug 2 and the socket 1; the waterproof sealing gasket 3 for realizing butt-joint waterproofing is further fixedly arranged at the mounting panel of the socket 1, and the elastic sealing ring 4 for realizing butt-joint waterproofing and terminal internal waterproofing is sleeved outside the power jack 121 and the signal jack 131 which are mounted on the socket 1.

Socket 1 includes socket casing 11, power terminal 12, signal terminal 13, fixed pressing plate 14, power terminal 11 and signal terminal 12 install respectively from the socket casing 11 back and get into power terminal mounting hole and the signal terminal mounting hole of wearing to establish on the socket casing 11, fixed pressing plate 14 is fixed at the socket casing 11 back through the cooperation of a plurality of hasp lugs 111 that a plurality of buckle spare 141 that downward protruding was established and the corresponding setting in the jack casing 11 back, and further fixes through fixing bolt for prevent that power terminal 12 and signal terminal 13 from moving back PIN.

The plug 2 comprises a plug shell 21, a plug base 22 and a floating plug shell 23, the plug shell 21 and the plug base 22 are connected through a fixing bolt, a hollow cavity is formed inside, the floating plug shell 23 is arranged in the hollow cavity, a guide column 231 arranged on the floating plug shell 23 penetrates through the plug shell 21 to be exposed, the floating plug shell 23 freely slides in the hollow cavity, when the plug 21 and the socket 22 are guided to be inserted oppositely, the floating plug shell 23 freely slides in a guide hole 17 matched with the socket in the hollow cavity, and the plug 21 and the socket 22 are conveniently connected in an oppositely-inserted mode.

Referring to fig. 2 and 4, the power terminal 12 includes a power jack 121 and a connecting copper bar 122, the connecting copper bar 122 is sleeved on a connecting column protruding from the tail of the power jack 121, and the connecting copper bar 122 is connected with the power jack 121 and then arranged at 90 ° for reducing the thickness of the power terminal 12 at the socket end, a first ring groove is concavely arranged on the outer wall of the power jack 12, and an O-shaped sealing ring 4 is sleeved in the first ring groove;

connect copper bar 122 and wear to be equipped with the connection round hole, connect and be connected through fixing bolt 5 on round hole and the socket, closely fix power terminal 12 on jack casing 11, prevent that the condition that the connection copper bar leads to the fracture because of the positional deviation production stress that both ends are connected from appearing, utilize fixing bolt 5 to place power terminal and move back PIN simultaneously.

Referring to fig. 5, the signal terminal 13 includes a signal jack 131 and a wire 132, the wire 132 is sleeved in the tail end of the signal jack 131, the wire 132 is led out along the guide groove 112 arranged at the back of the socket housing 11 under the guiding action of the socket housing 11 and the fixed pressing plate 15, the bent wire 132 is led out at 90 ° with the signal jack 131 for reducing the thickness of the signal terminal 13 at the socket end, a second annular groove is concavely arranged on the outer wall of the signal jack 131, and the O-ring 4 is sleeved in the second annular groove;

the signal jack 131 is further sleeved with a positioning claw 133, the rear portion of the signal jack 131 is further provided with a flange 134, the signal terminal mounting hole is inwardly provided with a positioning step 16 in a protruding mode, after the signal terminal 131 is mounted in the signal terminal mounting hole, the positioning claw 133 and the flange 131 abut against the positioning step 16 to further prevent the signal terminal 13 from withdrawing PIN.

Example 2:

referring to fig. 7 and 8, the difference between this embodiment and embodiment 1 is that the receptacle 1 has a first cavity 18 formed by a pair of insertion ends protruding around a power terminal and a signal terminal, the floating plug housing 23 has a second cavity 232 protruding around the power terminal and the signal terminal, the inner wall of the top end of the first cavity 18 is provided with a large chamfer, the outer wall of the top end of the second cavity 232 is provided with a corresponding chamfer, the large chamfer of the first cavity 18 is matched with the chamfer of the second cavity 232, so that the second cavity 232 is sleeved in the first cavity 18, and thus the pair insertion connection of the guide plug 2 and the receptacle 1 is realized;

in addition, the opposite sides of the inner wall of the first cavity 18 are respectively provided with an error-proof projection 181 in a protruding manner, the widths of the error-proof projections 181 on the two sides are different, and the error-proof projections are matched with the error-proof gap 2321 concavely arranged at the corresponding position on the outer wall of the second cavity 232, so as to prevent the error in the plug direction when the plug 2 and the socket 1 are plugged.

The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made according to the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. The utility model provides a waterproof connector floats, includes plug and socket, its characterized in that, plug butt joint end is equipped with the guide piece of mutually supporting respectively with socket butt joint end, the plug passes through the guide piece with the socket and accomplishes the guide and to inserting the connection, the installation panel department of socket still sets firmly and is used for realizing inserting waterproof sealed pad, the power jack of socket installation all overlaps outward with the signal jack and is equipped with and is used for realizing inserting waterproof and the inside waterproof elastic sealing circle of terminal.

2. The floating waterproof connector according to claim 1, wherein the socket comprises a socket housing, a power terminal, a signal terminal and a fixed pressing plate, the power terminal and the signal terminal are respectively installed into a power terminal installation hole and a signal terminal installation hole which are formed in the socket housing in a penetrating manner from top to bottom, the fixed pressing plate is fixed to the back of the socket housing through a plurality of locking pieces which are arranged in a protruding manner downwards and a plurality of locking convex blocks which are arranged on the back of the jack housing in a corresponding manner, and the fixed pressing plate is further fixed through a fixing bolt and used for preventing PIN withdrawing of the power terminal and the signal terminal.

3. The floating waterproof connector of claim 2, wherein the power terminal comprises a power jack and a connecting copper bar, the connecting copper bar is sleeved on the tail of the power jack, the connecting copper bar is arranged at 90 degrees after being connected with the power jack, the connecting copper bar is used for reducing the thickness of the power terminal at the socket end, a first annular groove is concavely arranged on the outer wall of the power jack, and an elastic sealing member is sleeved in the first annular groove.

4. The floating waterproof connector according to claim 3, wherein the connecting copper bars are provided with connecting round holes through which the socket is connected by a fixing member, and the power terminals are tightly fixed on the jack housing for eliminating stress received by the connecting copper bars and further preventing the power terminals from being withdrawn from the PIN.

5. The floating waterproof connector according to claim 2, wherein the signal terminal comprises a signal jack and a lead wire, the lead wire is connected with the tail end of the signal jack, the lead wire is bent out at 90 degrees from the signal jack along a guide groove arranged on the back of the socket shell under the guide action of the socket shell and the fixed pressing plate, the thickness of the signal terminal on the socket end is reduced, a second annular groove is concavely arranged on the outer wall of the signal jack, and the elastic sealing member is sleeved in the second annular groove.

6. The floating waterproof connector of claim 5, wherein the signal jack is further sleeved with a positioning claw, the rear portion of the signal jack is further provided with a flange, the signal terminal mounting hole is provided with a positioning step in an inward protruding manner, and after the signal terminal is mounted in the signal terminal mounting hole, the positioning claw abuts against the flange and the positioning step to further prevent the signal terminal from being withdrawn from the PIN.

7. The floating waterproof connector of claim 1, wherein the plug comprises a plug outer shell, a plug base and a floating plug shell, the plug outer shell and the plug base are connected through a fixing member, a hollow cavity is formed inside the plug outer shell, the floating plug shell is arranged in the hollow cavity, a guide member arranged on the floating plug shell is exposed through the plug outer shell, and the floating plug shell freely slides in the hollow cavity and is used for plug-in connection of a plug adaptive socket.

8. The floating waterproof connector of claim 1, wherein the guiding element comprises a guiding hole protruding from the opposite insertion end of the socket and a guiding column protruding from the floating plug housing, and the guiding column is matched with the guiding hole to realize the opposite insertion connection of the guiding plug and the socket.

9. The floating waterproof connector as claimed in claim 1, wherein the guiding member comprises a first cavity protruding from the opposite insertion end of the socket and a second cavity protruding from the floating plug housing, a large chamfer is provided on the inner wall of the top end of the first cavity, a chamfer is provided on the outer wall of the top end of the second cavity, and the second cavity is sleeved in the first cavity, so as to facilitate the opposite insertion connection of the guiding plug and the socket.

10. The floating waterproof connector as claimed in claim 9, wherein the inner wall of the first cavity is provided with a protruding block for preventing error, and the corresponding position of the outer wall of the second cavity is provided with a notch for preventing error, so as to prevent the plug and the socket from being inserted in the wrong direction.