CN220492310U - Waterproof electric connection device and electric bicycle equipment - Google Patents

Abstract

The application provides a waterproof electric connection device and electric bicycle equipment. The waterproof electric connection device comprises a discharge male plug and a discharge female seat, and the discharge male plug and the discharge female seat can be connected in a pluggable manner; the discharging male plug comprises a positive pin, a negative pin and a male seat respectively coated on the positive pin and the negative pin, wherein parts of the positive pin and the negative pin protrude out of the male seat, an abutting ring is convexly arranged on a plug face of the discharging male plug, and a positive projection of the abutting ring on the plug face of the discharging male plug surrounds a positive projection of the positive pin and a positive projection of the negative pin on the plug face; the discharging female seat comprises a female seat and a waterproof ring, the female seat is provided with a plug hole, the waterproof ring is arranged on the female seat, the orthographic projection of the waterproof ring on the plug surface of the discharging female seat surrounds the orthographic projection of the plug hole on the plug surface, and the cross-sectional area of the abutting ring is smaller than the cross-sectional area of the waterproof ring; the inside of the plug hole is provided with a positive electrode plug bush and a negative electrode plug bush. The waterproof electric connection device can effectively improve waterproof effect.

Description

Waterproof electric connection device and electric bicycle equipment

Technical Field

The utility model relates to the technical field of electric bicycle equipment, in particular to a waterproof electric connection device and electric bicycle equipment.

Background

At present, electric bicycles become an important transportation means in life traveling, and for electric bicycle batteries, a discharging seat is a common connector, so along with the wide application of electric bicycles, the requirement of the discharging seat is continuously raised, but at present, the traditional discharging seat is poor in waterproof effect, and in rainy days, rainwater is easy to infiltrate into the discharging seat, danger is easy to occur, and the use safety risk of the discharging seat is high.

Although the prior art proposes a waterproof battery holder like patent CN212848630U, the edge of casing and the waterproof rubber ring butt of base upper portion compress tightly, pack the gap between casing and the battery holder through waterproof rubber ring, effectively prevent that water from getting into the casing from the gap, and the edge of waterproof rubber ring outwards stretches out to have the water-stop limit, further fill the gap, avoid water infiltration gap, and when the waterproof rubber ring of base upper portion compresses tightly under the certain condition of pressure butt edge of casing, area of contact is the smaller, the pressure is bigger, the sealing effect is better, but, when the waterproof rubber ring on the base and the outer fringe butt of casing, the butt face of waterproof rubber ring and casing is the cross section of whole waterproof rubber ring for the butt area of waterproof rubber ring and casing outer fringe is too big, and then reduced waterproof battery holder water-proof effect.

Disclosure of Invention

The utility model aims to provide a waterproof electric connection device and electric bicycle equipment, which solve the problem of poor waterproof effect.

The aim of the utility model is realized by the following technical scheme:

a waterproof electric connection device comprises a discharge male plug and a discharge female seat, wherein the discharge male plug is connected with the discharge female seat in a pluggable manner;

the discharging male plug comprises a positive pin, a negative pin and a male seat respectively coated on the positive pin and the negative pin, wherein parts of the positive pin and the negative pin protrude out of the male seat, an abutting ring is arranged on a plug face of the discharging male plug in a protruding mode, and the positive projection of the abutting ring on the plug face of the discharging male plug surrounds the positive projection of the positive pin and the positive projection of the negative pin on the plug face of the discharging male plug;

the discharging female seat comprises a female seat and a waterproof ring, the female seat is provided with a plug hole, the waterproof ring is arranged on the female seat, the orthographic projection of the waterproof ring on the plug surface of the discharging female seat surrounds the orthographic projection of the plug hole on the plug surface of the discharging female seat, and the cross section area of the abutting ring is smaller than the cross section area of the waterproof ring;

when the discharging male plug and the discharging female seat are in plug connection, the waterproof ring and the abutting ring are in opposite abutting connection to form a sealing cavity; the plug hole is internally provided with a positive electrode plug bush and a negative electrode plug bush, the positive pin is inserted into the positive electrode plug bush, and the negative pin is inserted into the negative electrode plug bush.

In one embodiment, the waterproof electrical connection device further comprises a base and a battery end cover, the base is provided with a first mounting groove, the male seat is mounted in the first mounting groove, the battery end cover is provided with a second mounting groove, and the female seat is mounted in the second mounting groove.

In one embodiment, the base is convexly provided with a rotating shaft, the battery end cover is further provided with a clearance hole, and the rotating shaft is inserted into the clearance hole.

In one embodiment, the base is further provided with a limiting piece in a protruding mode, the battery end cover is further provided with a limiting hole, and the limiting piece is inserted into the limiting hole.

In one embodiment, a first waterproof flange is convexly arranged on the outer periphery side of the waterproof ring, and the first waterproof flange is in mutual abutting connection with the inner peripheral wall of the battery end cover.

In one embodiment, the inner peripheral wall of the battery end cover is formed with a step surface, the outer peripheral side of the waterproof ring extends to the step surface, a second waterproof flange is convexly arranged on one side, facing the step surface, of the waterproof ring, and the second waterproof flange is in mutual abutting contact with the step surface.

In one embodiment, the discharging male plug further comprises a power supply activating pin, the male seat wraps the power supply activating pin, a part of the power supply activating pin protrudes out of the male seat, the orthographic projection of the power supply activating pin on the plug face of the discharging male plug is located in the orthographic projection of the abutting ring on the plug face of the discharging male plug, an activating plug bush is further arranged in the plug hole, the power supply activating pin is inserted into the activating plug bush, the length of the positive pin protruding out of the male seat is larger than that of the power supply activating pin protruding out of the male seat, and the length of the negative pin protruding out of the male seat is larger than that of the power supply activating pin protruding out of the male seat.

In one embodiment, the discharging female socket further comprises an isolation component, the isolation component is arranged on the inner peripheral wall of the female socket to divide the plug hole into a positive plug hole, a negative plug hole and an activation plug hole, the positive plug bush is arranged in the positive plug hole, the negative plug bush is arranged in the negative plug hole, and the activation plug bush is arranged in the activation plug hole.

In one embodiment, the isolation assembly comprises a first isolation piece and a second isolation piece, the first isolation piece is fixed on the inner peripheral wall of the female seat, the number of the second isolation pieces is multiple, the second isolation pieces are fixedly connected with the inner peripheral wall of the plug hole, and each second isolation piece is intersected with the first isolation piece and welded by ultrasonic waves.

In one embodiment, the female base is an isolation assembly, the plug holes of the isolation assembly are divided into a positive plug hole, a negative plug hole and an activation plug hole, the positive plug bush is arranged in the positive plug hole, the negative plug bush is arranged in the negative plug hole, and the activation plug bush is arranged in the activation plug hole.

In one embodiment, the inner peripheral wall of the plugging hole of the isolation assembly is formed with a plurality of first isolation pieces and a plurality of second isolation pieces, the second isolation pieces are fixedly connected with the inner peripheral wall of the plugging hole, and each second isolation piece is intersected with the first isolation piece and is welded on the first isolation piece by ultrasonic waves.

In one embodiment, the positive plug bush comprises a positive pin connecting part arranged in the positive plug hole, and the positive plug bush further comprises a positive internal connecting part connected with the positive pin connecting part; the first separator is coated at the connection part of the positive pin connecting part and the positive electrode internal connecting part.

In one embodiment, the negative electrode plug bush comprises a negative pin connecting part arranged in the negative plug hole, and the negative electrode plug bush further comprises a negative electrode internal connecting part connected with the negative pin connecting part; the first separator is coated at the position where the negative pin connecting part is connected with the negative electrode internal connecting part.

In one embodiment, the activation plug comprises an activation pin connection part arranged in the activation plug hole, and the activation plug further comprises an activation internal connection part connected with the activation pin connection part; the first isolating piece is coated on the connection part of the activation pin connecting part and the activation internal connecting part.

In one embodiment, the abutment ring is an arcuate flange.

An electric bicycle device comprising the waterproof electrical connection device of any one of the embodiments described above.

The present utility model includes, but is not limited to, the following advantages over the prior art:

according to the waterproof electric connection device, the abutting ring is arranged on the plugging surface of the waterproof male socket in a protruding mode, the orthographic projection of the abutting ring on the plugging surface of the discharging male socket surrounds the orthographic projection of the positive pin and the orthographic projection of the negative pin on the plugging surface of the discharging male socket, the waterproof ring is arranged on the female socket, the orthographic projection of the waterproof ring on the plugging surface of the discharging female socket surrounds the projection of the plugging hole on the plugging surface of the discharging female socket, and when the discharging male socket and the discharging female socket are plugged, the waterproof ring and the abutting ring are abutted against each other to form a sealing cavity, so that the positive pin, the negative pin and the plugging hole can be sealed in the sealing cavity, and water outside the waterproof electric connection device is prevented from entering the sealing cavity; the cross-sectional area of the abutting ring is smaller than that of the waterproof ring, so that when the waterproof ring and the abutting ring are abutted under the condition of certain pressure, the pressure intensity of the abutting surface of the waterproof ring and the abutting ring is increased, the sealing effect of the sealing cavity is improved, and the waterproof effect of the waterproof electric connecting device is further improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing an internal structure of a waterproof electrical connection device according to an embodiment;

FIG. 2 is an enlarged partial schematic view of the waterproof electrical connection device shown in FIG. 1;

FIG. 3 is a schematic view of a part of the waterproof electrical connection device shown in FIG. 1;

FIG. 4 is another partial schematic view of the waterproof electrical connection device of FIG. 1;

FIG. 5 is a partial schematic view of another internal structure of the waterproof electrical connection device shown in FIG. 1;

fig. 6 is a partial schematic view of still another internal structure of the waterproof electrical connection device shown in fig. 1.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 5, the waterproof electrical connection device 10 in an embodiment includes a male electrical connector 100 and a female electrical connector 200, where the male electrical connector 100 and the female electrical connector 200 are connected in a pluggable manner, so that the male electrical connector 100 and the female electrical connector 200 can be plugged or separated. The discharging male plug 100 comprises a positive pin 110, a negative pin 120 and a male seat 130 respectively coated on the positive pin 110 and the negative pin 120, wherein parts of the positive pin 110 and the negative pin 120 protrude out of the male seat 130, so that one ends of the positive pin 110 and the negative pin 120 can be fixed on the male seat 130, and the other ends of the positive pin 110 and the negative pin 120 can be connected with the discharging female seat 200 in a plug-in manner. The contact ring 140 is convexly arranged on the plug surface of the discharge male plug 100, and the orthographic projection of the contact ring 140 on the plug surface of the discharge male plug 100 surrounds the orthographic projections of the positive pin 110 and the negative pin 120 on the plug surface of the discharge male plug 100, so that the contact ring 140 can surround the positive pin 110 and the negative pin 120;

further, the discharging socket 200 includes a socket 210 and a waterproof ring 220, the socket 210 is provided with a socket hole 211, the waterproof ring 220 is disposed on the socket 210, the orthographic projection of the waterproof ring 220 on the socket surface of the discharging socket 200 surrounds the orthographic projection of the socket hole 210 on the socket surface of the discharging socket 200, so that the waterproof ring 220 can surround the socket hole, and when the waterproof ring 220 and the abutting ring 140 abut against each other, the contact of water outside the waterproof electrical connection device 10 with the positive pin 110, the negative pin 120 and the socket hole 211 is avoided. When the male plug 100 and the female socket 200 are plugged, the waterproof ring 220 and the abutting ring 140 are abutted against each other to form a sealing cavity, so that when the waterproof ring 220 and the abutting ring 140 are abutted against each other under a certain pressure, the pressure of the abutting surface of the waterproof ring 220 and the abutting ring 140 is increased, the sealing effect of the sealing cavity is improved, and the waterproof effect of the waterproof electric connecting device 10 is improved. The insert holes 211 are internally provided with a positive electrode insert 240 and a negative electrode insert 250, the positive pins 110 are inserted into the positive electrode insert 240, and the negative pins 120 are inserted into the negative electrode insert 250, so that the discharge male plug 100 can be inserted into the discharge female socket 200.

In this embodiment, when the waterproof electrical connection device 10 is used, first, the positive pin 110 is inserted into the positive plug 240, the negative pin 120 is inserted into the negative plug 250, so that the discharge male plug 100 is plugged into the discharge female socket 200, and when the discharge female socket 200 is plugged into the discharge male plug 100, the waterproof ring 220 and the abutting ring 140 are abutted against each other to form a sealing cavity, and the positive pin 110, the negative pin 120, the positive plug 240 and the negative plug 250 are sealed in the sealing cavity.

As shown in fig. 1 to 4, in one embodiment, the waterproof electrical connection device 10 further includes a base 300 and a battery end cover 400, the base 300 is provided with a first mounting groove 310, the male socket 130 is mounted in the first mounting groove 310, the battery end cover 400 is provided with a second mounting groove 410, and the female socket 210 is mounted in the second mounting groove 410, so that the base 300 and the battery end cover 400 can respectively protect the male socket 130 and the female socket 210, and the service lives of the discharge male socket 100 and the discharge female socket 200 are prolonged.

As shown in fig. 3 to 4, in one embodiment, the base 300 is convexly provided with a rotation shaft 320, the battery end cover 400 is further provided with a clearance hole 420, and the rotation shaft 320 is inserted into the clearance hole 420, so that the rotation shaft 320 can be in butt joint with the clearance hole 420, and the battery end cover 400 is further in rotary connection with the base 300.

As shown in fig. 3 to 4, in one embodiment, the base 300 is further provided with a limiting member 330 in a protruding manner, the battery end cover 400 is further provided with a limiting hole 430, and the limiting member is inserted into the limiting hole 430, so that the limiting member 330 can be abutted with the limiting hole 430, so that the position of the battery end cover 400 and the base 300 can be limited by the limiting member 330, and further damage to the positive pin 110 and the negative pin 120 due to relative offset of the battery end cover 400 and the base 300 in the use process is avoided, and the service life of the waterproof electrical connection device 10 is further prolonged.

As shown in fig. 1 to 5, in one embodiment, the first waterproof flange 221 is protruded at the outer circumferential side of the waterproof ring 220, and the first waterproof flange 221 and the inner circumferential wall of the battery end cover 400 are abutted against each other, so that water outside the waterproof electric connection device 10 is prevented from penetrating from the connection gap between the battery end cover 400 and the discharge socket 200, and the waterproof effect of the waterproof electric connection device 10 is greatly improved.

As shown in fig. 1 to 5, in one embodiment, the inner peripheral wall of the battery end cap 400 is formed with a stepped surface 440, the outer peripheral side of the waterproof ring 220 extends to the stepped surface 440, and the waterproof ring 220 is convexly provided with a second waterproof flange 222 toward one side of the stepped surface 440, and the second waterproof flange 222 abuts against the stepped surface 440, further improving the waterproof effect of the waterproof electrical connection device 10.

As shown in fig. 1 to 5, in one embodiment, the discharging male plug 100 further includes a power supply activating pin 150, the male socket 130 is wrapped around the power supply activating pin 150, a portion of the power supply activating pin 150 protrudes out of the male socket 130, a front projection of the power supply activating pin 150 on a plugging surface of the discharging male plug 100 surrounds a front projection of the power supply activating pin 150 on the plugging surface of the discharging male plug 100, an activating plug 260 is further disposed in the plugging hole 211, the length of the power supply activating pin 150 protruding out of the male socket 130 is greater than the length of the power supply activating pin 150 protruding out of the male socket 130, the length of the negative pin 120 protruding out of the male socket 130 is greater than the length of the power supply activating pin 150 protruding out of the male socket 130, so as to avoid a problem that a fire striking phenomenon occurs due to the length of the power supply activating pin 150 protruding out of the male socket 130 being greater than or equal to the length of the positive pin 110 and the negative pin 120 protruding out of the male socket 130, respectively, when the discharging male plug 100 and the discharging female socket 200 are plugged.

As shown in fig. 1 to 5, in one embodiment, the discharging female socket 200 further includes an isolation component 230, the isolation component 230 is disposed on an inner peripheral wall of the female socket 210 to divide the plug hole 211 into a positive plug hole 211a, a negative plug hole 211b and an active plug hole 211c, the positive plug 240 is disposed in the positive plug hole 211a, the negative plug 250 is disposed in the negative plug hole 211b, and the active plug 260 is disposed in the active plug hole 211c, so as to avoid the problem of conduction phenomenon caused by water outside the waterproof electrical connection device 10 penetrating into the plug hole 211 when the discharging female socket 200 is plugged with the discharging male plug 100, and reduce the use safety risk of the waterproof electrical connection device 10.

As shown in fig. 1 to 5, the isolation assembly 230 includes a first isolation member 231 and a second isolation member 232, the first isolation member 231 is fixed on the inner peripheral wall of the female socket 210, the number of the second isolation member 232 is plural, the second isolation member 232 is fixedly connected with the inner peripheral wall of the plugging hole 211, each second isolation member 232 is intersected with the first isolation member 231 and is ultrasonically welded, so that the plugging hole 211 is divided into a positive plugging hole 211a, a negative plugging hole 211b and an active plugging hole 211c by the first isolation member 231 and the second isolation member 232 together, thereby avoiding the problem of conduction phenomenon caused by water outside the waterproof electric connection device 10 penetrating into the plugging hole 211 when the female socket 200 is plugged with the male plug 100, and greatly reducing the use safety risk of the waterproof electric connection device 10.

As shown in fig. 1 to 4 and 6, in one embodiment, the female socket 210 is an isolation assembly 230, the plug hole 211 of the isolation assembly 230 is divided into a positive plug hole 211a, a negative plug hole 211b and an active plug hole 211c, the positive plug 240 is disposed in the positive plug hole 211a, the negative plug 250 is disposed in the negative plug hole 211b, and the active plug 260 is disposed in the active plug hole 211c, so as to avoid the occurrence of the phenomenon that the positive pin 110, the negative pin 120 and the power supply active pin 150 are mutually conducted due to water penetration into the plug hole 211 when the discharge male plug 100 and the discharge female socket 200 are plugged, and greatly reduce the use safety risk of the waterproof electrical connection device 10.

As shown in fig. 1 to 4 and 6, in one embodiment, the inner peripheral wall of the plug hole 211 of the isolation assembly 230 is formed with a plurality of first isolation members 231 and a plurality of second isolation members 232, each of the second isolation members 232 is intersected with the first isolation member 231 and is ultrasonically welded, so that the positive plug hole 211a, the negative plug hole 211b and the active plug hole 211c can be isolated from each other, and the phenomenon that the positive pin 110, the negative pin 120 and the power supply active pin 150 are mutually conducted due to water penetrating into the plug hole 211 when the discharge male plug 100 and the discharge female socket 200 are plugged is avoided.

As shown in fig. 1 to 6, in one embodiment, the positive electrode plug 240 includes a positive pin connection portion 241 provided inside the positive plug hole 211a, the positive electrode plug 240 further includes a positive electrode internal connection portion 242 connected to the positive pin connection portion 241, and the positive electrode internal connection portion 242 is further connected to the battery so that the battery can transmit electric power to the positive pin connection portion 241 through the positive electrode internal connection portion 242; the first spacer 231 is coated on the connection portion between the positive pin connection portion 241 and the positive internal connection portion 242, so as to prevent water from penetrating into one side of the first spacer 231 facing away from the positive plug hole 211a, thereby reducing the safety risk of the waterproof electrical connection device 10.

As shown in fig. 1 to 6, in one embodiment, the negative electrode socket 250 includes a negative pin connection part 251 provided inside the negative insertion hole 211b, the negative electrode socket 250 further includes a negative electrode internal connection part 252 connected to the negative pin connection part 251, and the negative electrode internal connection part 252 is further connected to the battery so that the battery can transmit electric power to the positive pin connection part 241 through the negative electrode internal connection part 252; the first spacer 231 is coated on the connection portion between the negative pin connection portion 251 and the negative electrode internal connection portion 252, so as to prevent water from penetrating into the side of the first spacer 231 facing away from the negative plug hole 211b, and further reduce the safety risk of the waterproof electrical connection device 10.

As shown in fig. 1 to 6, in one embodiment, the activation plug 260 includes an activation pin connection portion 261 provided inside the activation plug hole 211c, the activation plug 260 further includes an activation internal connection portion 262 connected with the activation pin connection portion 261, and the activation internal connection portion 262 is further connected with the battery so that the battery can transmit electric power to the activation pin connection portion 261 through the activation internal connection portion 262; the first spacer 231 is coated on the connection portion between the active pin connection portion 261 and the active internal connection portion 262, so as to prevent water from penetrating into the side of the first spacer 231 facing away from the active jack 211c, and further reduce the safety risk of the waterproof electrical connection device 10.

As shown in fig. 1 to 5, in one embodiment, the abutting ring 140 is an arc-shaped flange, so as to further reduce the abutting area of the abutting ring 140 and the waterproof ring 220, thereby improving the waterproof effect of the waterproof electrical connection device 10.

The present application also provides an electric bicycle device comprising the waterproof electrical connection apparatus 10 according to any one of the embodiments described above.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (14)

1. A waterproof electric connection device (10) is characterized by comprising a discharge male plug (100) and a discharge female seat (200), wherein the discharge male plug (100) is connected with the discharge female seat (200) in a pluggable manner;

the discharging male plug (100) comprises a positive pin (110), a negative pin (120) and a male seat (130) respectively coated on the positive pin (110) and the negative pin (120), wherein parts of the positive pin (110) and the negative pin (120) protrude out of the male seat (130), an abutting ring (140) is arranged on a plug-in surface of the discharging male plug (100) in a protruding mode, and an orthographic projection of the abutting ring (140) on the plug-in surface of the discharging male plug (100) surrounds orthographic projections of the positive pin (110) and the negative pin (120) on the plug-in surface of the discharging male plug (100);

the discharging female seat (200) comprises a female seat (210) and a waterproof ring (220), wherein the female seat (210) is provided with a plug hole (211), the waterproof ring (220) is arranged on the female seat (210), the orthographic projection of the waterproof ring (220) on the plug surface of the discharging female seat (200) surrounds the orthographic projection of the plug hole (211) on the plug surface of the discharging female seat (200), and the cross section area of the abutting ring (140) is smaller than the cross section area of the waterproof ring (220);

when the discharging male plug (100) and the discharging female seat (200) are in plug connection, the waterproof ring (220) and the abutting ring (140) are in opposite abutting connection to form a sealing cavity; the plug hole (211) is internally provided with a positive electrode plug bush (240) and a negative electrode plug bush (250), the positive pin (110) is inserted into the positive electrode plug bush (240), and the negative pin (120) is inserted into the negative electrode plug bush (250).

2. The waterproof electrical connection device (10) according to claim 1, wherein the waterproof electrical connection device (10) further comprises a base (300) and a battery end cap (400), the base (300) is provided with a first mounting groove (310), the male seat (130) is mounted in the first mounting groove (310), the battery end cap (400) is provided with a second mounting groove (410), and the female seat (210) is mounted in the second mounting groove (410).

3. The waterproof electrical connection device (10) according to claim 2, wherein the base (300) is convexly provided with a rotation shaft (320), the battery end cap (400) is further provided with a clearance hole (420), and the rotation shaft (320) is inserted into the clearance hole (420).

4. The waterproof electrical connection device (10) according to claim 2, wherein the base (300) is further provided with a limiting member (330) in a protruding manner, the battery end cap (400) is further provided with a limiting hole (430), and the limiting member (330) is inserted into the limiting hole (430).

5. The waterproof electrical connection device (10) according to claim 2, wherein the waterproof ring (220) is provided with a first waterproof flange (221) protruding from the outer peripheral side thereof, and the first waterproof flange (221) and the inner peripheral wall of the battery end cap (400) abut against each other.

6. The waterproof electrical connection device (10) according to claim 5, wherein a stepped surface (440) is formed on an inner peripheral wall of the battery end cap (400), an outer peripheral side of the waterproof ring (220) extends to the stepped surface (440), a second waterproof flange (222) is provided protruding toward a side of the stepped surface (440) of the waterproof ring (220), and the second waterproof flange (222) and the stepped surface (440) are abutted against each other.

7. The waterproof electrical connection device (10) according to claim 1, wherein the discharging male plug (100) further comprises a power supply activation pin (150), the male socket (130) is wrapped by the power supply activation pin (150), a portion of the power supply activation pin (150) protrudes out of the male socket (130), a positive projection of the power supply activation pin (150) on a plugging surface of the discharging male plug (100) is located in a positive projection of the abutting ring (140) on the plugging surface of the discharging male plug (100), an activation plug sleeve (260) is further arranged in the plugging hole (211), the power supply activation pin (150) is inserted into the activation plug (260), the length of the positive pin (110) protruding out of the male socket (130) is larger than the length of the power supply activation pin (150) protruding out of the male socket (130), and the length of the negative pin (120) protruding out of the male socket (130) is larger than the length of the power supply activation pin (150) protruding out of the male socket (130).

8. The waterproof electrical connection device (10) according to claim 7, wherein the female discharge socket (200) further comprises an isolation component (230), the isolation component (230) is disposed on an inner peripheral wall of the female discharge socket (210) to divide the plug hole (211) into a positive plug hole (211 a), a negative plug hole (211 b) and an active plug hole (211 c), the positive plug bush (240) is disposed in the positive plug hole (211 a), the negative plug bush (250) is disposed in the negative plug hole (211 b), and the active plug bush (260) is disposed in the active plug hole (211 c).

9. The waterproof electrical connection device (10) according to claim 8, wherein the isolation assembly (230) comprises a first isolation member (231) and a second isolation member (232), the first isolation member (231) is fixed on the inner peripheral wall of the female socket (210), the number of the second isolation members (232) is plural, the second isolation members (232) are fixedly connected with the inner peripheral wall of the insertion hole (211), and each second isolation member (232) is intersected with the first isolation member (231) and is welded by ultrasonic waves.

10. The waterproof electrical connection device (10) according to claim 7, wherein the female socket (210) is an isolation assembly (230), the plug hole (211) of the isolation assembly (230) is divided into a positive plug hole (211 a), a negative plug hole (211 b) and an activation plug hole (211 c), the positive plug bush (240) is disposed in the positive plug hole (211 a), the negative plug bush (250) is disposed in the negative plug hole (211 b), and the activation plug bush (260) is disposed in the activation plug hole (211 c).

11. The waterproof electrical connection device (10) according to claim 10, wherein the inner peripheral wall of the insertion hole (211) of the isolation assembly (230) is formed with a first isolation member (231) and a second isolation member (232), the number of the second isolation members (232) is plural, the second isolation members (232) are fixedly connected with the inner peripheral wall of the insertion hole (211), and each second isolation member (232) is intersected with the first isolation member (231) and is ultrasonically welded.

12. The waterproof electrical connection device (10) according to claim 9 or 11, wherein the positive plug (240) comprises a positive pin connection (241) provided in the positive plug hole (211 a), the positive plug (240) further comprising a positive internal connection (242) connected to the positive pin connection (241); the first separator (231) is coated at the connection part of the positive pin connecting part (241) and the positive electrode internal connecting part (242);

the negative electrode plug bush (250) comprises a negative pin connecting part (251) arranged in the negative plug hole (211 b), and the negative electrode plug bush (250) also comprises a negative electrode internal connecting part (252) connected with the negative pin connecting part (251); the first separator (231) is coated at the connection part of the negative pin connecting part (251) and the negative electrode internal connecting part (252);

the activation plug bush (260) comprises an activation pin connecting part (261) arranged in the activation plug hole (211 c), and the activation plug bush (260) also comprises an activation internal connecting part (262) connected with the activation pin connecting part (261); the first separator (231) is coated on the connection part of the activation pin connection part (261) and the activation internal connection part (262).

13. The waterproof electrical connection device (10) according to claim 1, wherein the abutment ring (140) is an arc-shaped flange.

14. Electric bicycle equipment, characterized by comprising a waterproof electrical connection device (10) according to any one of claims 1 to 13.