CN220544300U

CN220544300U - High-current waterproof electric power connector

Info

Publication number: CN220544300U
Application number: CN202322233863.0U
Authority: CN
Inventors: 胡聪
Original assignee: Suzhou Weiyite Electronic Technology Co ltd
Current assignee: Suzhou Weiyite Electronic Technology Co ltd
Priority date: 2023-08-19
Filing date: 2023-08-19
Publication date: 2024-02-27
Anticipated expiration: 2033-08-19

Abstract

The utility model relates to the technical field of electric friction power connectors, in particular to a high-current waterproof electric power connector which comprises a male end shell and a female end shell, wherein a male end positioning piece is connected to the male end shell, two power supply pins and at least two signal pins are arranged in the male end positioning piece, two power supply jacks and a plurality of signal jacks corresponding to the signal pins are arranged in the female end shell, the power supply jacks comprise copper columns arranged in the female end shell and torsion springs arranged in the copper columns, elastic pieces are respectively arranged on the power supply pins and the signal pins at equal intervals along the circumferential direction, and bosses are arranged in the male end shell. According to the utility model, the large-size torsion spring structure is adopted in the power supply jack, so that the point contact of the existing crown spring is changed into the line contact of the torsion spring, the contact area of the contact pin and the jack is greatly increased, the contact resistance is effectively reduced, and the condition that the connector is burnt due to overhigh temperature rise caused by overlarge contact resistance is avoided.

Description

High-current waterproof electric power connector

Technical Field

The utility model relates to the technical field of electric friction power connectors, in particular to a high-current waterproof electric power connector.

Background

The electric motorcycle is more and more popular in the market, especially high-power high-speed electric motorcycle has the trend of replacing the traditional motorcycle slowly, and the electric motorcycle power connector is used as a core part on the electric motorcycle and bears the function of discharging the battery to the whole motorcycle, so that the electric motorcycle power connector has the following problems:

1. the current is smaller, and the discharge requirement of high-power electric friction cannot be met;

2. the power line and the signal line are separated, so that the integration level is low;

3. the waterproof performance is not up to standard, and water is easy to leak in rainy days to cause short circuit;

4. poor vibration resistance, and poor contact of the connector;

5. the lock catch is easy to be touched and released by mistake after the male and female are inserted.

Disclosure of Invention

The utility model provides a high-current waterproof electric friction power connector for solving the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a heavy current waterproof electricity power connector, includes public end shell and female end shell, be connected with public end setting element on the public end shell, be provided with two power supply pins and two at least signal pin in the public end setting element, just be provided with two power supply jacks and a plurality of signal jacks that correspond to the signal pin in the female end shell, the power supply jack is including installing the copper post in female end shell and locating the torsional spring in the copper post, just power supply pin and signal pin are last to be provided with the shell fragment along the circumferencial direction equidistance respectively, be provided with the boss in the public end shell, the shell fragment restriction is in boss department, just be provided with first waterproof circle and second waterproof circle on the public end setting element, first waterproof circle is located between public end setting element and the female end shell, second waterproof circle is located between public end setting element and the public end shell, just be connected with locking component on the public end shell, be connected with the locking piece that is used for cooperating locking component on the female end shell.

Preferably, the locking assembly comprises a limit step seat connected to the male end shell, a bolt installed on the limit step seat, a metal button movably connected to the bolt and a torsion spring sleeved on the bolt, a bayonet is formed at one end side of the metal button, a spring is connected at the other end side of the metal button, a plastic push rod is connected at the other end of the spring, and the plastic push rod is arranged in the limit step seat.

Preferably, two sides of the plastic push rod are connected with limiting blocks, the limiting blocks are abutted against steps on the limiting step seat, and the plastic push rod is movably sleeved at one end of the metal button.

Preferably, the female end shell is provided with a waterproof pad, and the female end shell is provided with a fixing hole in a penetrating manner.

Preferably, a rear waterproof ring block is arranged at one end side of the male end shell, and a male end rear cover clamped on the male end shell is arranged at one side of the rear waterproof ring block.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

in the utility model, the point contact of the prior crown spring can be changed into the line contact of the torsion spring by adopting a large-size torsion spring structure in the power jack, so that the contact area of the contact pin and the jack is greatly increased, the contact resistance is effectively reduced, and the condition of burning the connector due to overhigh temperature rise caused by overlarge contact resistance is avoided.

According to the utility model, after the male end and the female end are inserted, one end of the metal button can be clamped on the locking block, and the acting force of the spring pushes the plastic push rod during the process, so that the limiting block on the plastic push rod is pushed against the step on the limiting step seat, the false touch unlocking can be effectively prevented, the possible situation that the power connector is touched and released by mistake is solved, and the accident caused by sudden power failure is avoided; when the unlocking is needed, the plastic push rod is pushed down in the opposite inserting direction, so that the limiting block is separated from the step of the limiting step seat, the downward pressing of the metal button is realized, and the unlocking is completed.

According to the utility model, the first waterproof ring and the second waterproof ring are arranged on the male end positioning piece, so that the IPX7 waterproof requirement can be met during opposite insertion, and the phenomenon of water inlet short circuit in the parking or driving process in a rainy day is avoided.

According to the utility model, through the structural design of the elastic sheet and the boss, the matching of the male pin and the female pin with the jack can be improved, and the problem of poor contact caused by local abrasion due to micro displacement of the pin and the jack under the vibration condition is prevented.

According to the utility model, through the integrated integration of the power supply and the signals, the simultaneous transmission of current and multiple signals is realized, the requirement of more functions of electric friction is met, and meanwhile, the volume is minimized.

Drawings

FIG. 1 is a schematic view of a male end housing according to the present utility model;

FIG. 2 is a schematic view of a female end housing structure of the present utility model;

FIG. 3 is a schematic view of an exploded view of the locking assembly of the present utility model;

FIG. 4 is a schematic diagram of a power pin structure according to the present utility model;

FIG. 5 is a schematic diagram of a signal pin structure according to the present utility model;

FIG. 6 is a schematic diagram of an explosion structure of a power jack according to the present utility model;

FIG. 7 is a schematic view of a metallic button lock state structure according to the present utility model;

FIG. 8 is a schematic view of the open state structure of the metal button of the present utility model;

fig. 9 is a schematic diagram of a signal jack structure according to the present utility model.

In the figure: 1. a male end housing; 2. a female end housing; 3. a male end positioning member; 4. a power pin; 5. a signal pin; 6. a power jack; 61. copper columns; 62. a torsion spring; 7. a signal jack; 8. a spring plate; 9. a boss; 10. a first waterproof ring; 11. a second waterproof ring; 12. a locking block; 13. a limit step seat; 14. a plug pin; 15. a metal button; 16. a torsion spring; 17. a spring; 18. a plastic clipper; 19. a limiting block; 20. a waterproof pad; 21. a fixing hole; 22. a rear waterproof ring block; 23. and a male end rear cover.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Examples

As shown in fig. 1-9, the utility model provides a high-current waterproof electric friction power connector, which comprises a male end housing 1 and a female end housing 2, wherein a male end positioning piece 3 is connected to the male end housing 1, two power supply pins 4 and at least two signal pins 5 are arranged in the male end positioning piece 3, two power supply jacks 6 and a plurality of signal jacks 7 corresponding to the signal pins 5 are arranged in the female end housing 2, the power supply jacks 6 comprise copper columns 61 installed in the female end housing 2 and torsion springs 62 arranged in the copper columns 61, elastic pieces 8 are respectively arranged on the power supply pins 4 and the signal pins 5 at equal intervals along the circumferential direction, a boss 9 is arranged in the male end housing 1, the elastic pieces 8 are limited at the boss 9, a first waterproof ring 10 and a second waterproof ring 11 are arranged on the male end positioning piece 3, the first waterproof ring 10 is arranged between the male end positioning piece 3 and the female end housing 2, the second waterproof ring 11 is arranged between the male end positioning piece 3 and the male end housing 1, a locking assembly 12 is connected to the male end housing 1, and a locking assembly 12 is connected to the female end housing 2 for locking.

Specifically, when boss 9 department was located to shell fragment 8, can play the stopping effect of power contact pin 4 and signal contact pin 5, also can make power contact pin 4 and signal contact pin 5 have the activity space in horizontal circumferencial direction simultaneously, and convenient direction and can rock by a small margin, promotes the anti vibration effect.

Further specifically, the integral structure of the signal jack 7 is also provided with a spring plate 8 structure, and meanwhile, the female end shell 2 is also provided with a boss 9 structure for limiting the spring plate 8, so that the stop action of the signal jack 7 can be achieved, meanwhile, the signal jack 7 is provided with a movable space in the horizontal circumferential direction, the guide is convenient, the vibration resistance is improved, and the vibration resistance is reduced.

In this embodiment, the locking component includes a limit step seat 13 connected to the male end housing 1, a latch 14 mounted on the limit step seat 13, a metal button 15 movably connected to the latch 14, and a torsion spring 16 sleeved on the latch 14, wherein a bayonet is formed on one end side of the metal button 15, a spring 17 is connected to the other end side of the metal button 15, a plastic push rod 18 is connected to the other end of the spring 17, the plastic push rod 18 is disposed in the limit step seat 13, two sides of the plastic push rod 18 are connected with limit blocks 19, the limit blocks 19 are abutted to steps on the limit step seat 13, and the plastic push rod 18 is movably sleeved at one end of the metal button 15.

Specifically, when the male end housing 1 and the female end housing 2 need to be unlocked, if the plastic push rod 18 is directly pressed down, the limiting block 19 on the plastic push rod 18 can be abutted against the limiting step seat 13, so that the false touch unlocking can be effectively prevented, and the plastic push rod 18 needs to be pushed down in the opposite insertion direction, and the limiting block 19 on the plastic push rod 18 is separated from the step of the limiting step seat 13, so that the downward pressing of the metal button 15 can be realized, and the metal button 15 is caused to be separated from the locking block 12 to complete unlocking.

In this embodiment, the waterproof pad 20 is disposed on the female end housing 2, and the female end housing 2 is provided with a fixing hole 21 therethrough, specifically, the fixing hole 21 is designed to facilitate the fixed installation of the female end housing 2, and the waterproof pad 20 is designed to facilitate the increase of the waterproof performance of the connector.

In this embodiment, a rear waterproof ring block 22 is provided on one end side of the male end housing 1, and a male end rear cover 23 that is engaged with the male end housing 1 is provided on one side of the rear waterproof ring block 22.

The working principle and the using flow of the utility model are as follows: when the power connector is used, due to the structural design, a power supply and a signal can be integrated integrally, so that when the male end shell 1 is inserted into the female end shell 2, one end of the metal button 15 is clamped on the locking block 12, and when the acting force of the spring 17 pushes the plastic push rod 18, the limiting block 19 on the plastic push rod 18 is pushed to abut against a step on the limiting step seat 13, and false touching unlocking can be effectively prevented; the large-size torsion spring 62 structure is adopted in the power jack 6, so that the point contact of the existing crown spring is changed into the line contact of the torsion spring 62, the contact area of the contact pin and the jack is greatly increased, the contact resistance is effectively reduced, and the condition that the connector is burnt due to overhigh temperature rise caused by overlarge contact resistance is avoided; the first waterproof ring 10 and the second waterproof ring 11 are arranged on the male end positioning piece 3, so that the IPX7 waterproof requirement can be met during opposite insertion, and the phenomenon of water inlet short circuit in the parking or driving process in a rainy day is avoided; due to the structural design of the elastic sheet 8 and the boss 9, the matching of the male pin and the female pin with the jack can be improved, and the contact failure caused by local abrasion due to micro-displacement of the pin and the jack under the vibration condition can be prevented.

In the present utility model, the term "plurality" means two or more, unless explicitly defined otherwise. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It will be understood that when an element is referred to as being "mounted," "secured" or "disposed" on 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," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a heavy current waterproof motor power connector, includes public end shell (1) and female end shell (2), its characterized in that: the utility model discloses a male end shell (1) is last to be connected with public end setting element (3), be provided with two power supply pin (4) and two at least signal pin (5) in public end setting element (3), just be provided with two power supply jack (6) and a plurality of signal jack (7) that correspond signal pin (5) in female end shell (2), power supply jack (6) are including installing copper post (61) in female end shell (2) and locating torsional spring (62) in copper post (61), just be provided with shell fragment (8) along the circumferencial direction equidistance respectively on power supply pin (4) and signal pin (5), be provided with boss (9) in public end shell (1), shell fragment (8) restriction is in boss (9) department, just be provided with first waterproof circle (10) and second waterproof circle (11) on public end setting element (3), first waterproof circle (10) are located between public end setting element (3) and female end shell (2), second locking piece (11) are located between public end (1) and the locking subassembly (1), locking end (1) are connected with male end shell (2).

2. The high-current waterproof power connector according to claim 1, wherein the locking assembly comprises a limit step seat (13) connected to the male end shell (1), a plug pin (14) installed on the limit step seat (13), a metal button (15) movably connected to the plug pin (14) and a torsion spring (16) sleeved on the plug pin (14), a bayonet is formed on one end side of the metal button (15), a spring (17) is connected to the other end side of the metal button (15), a plastic plug (18) is connected to the other end of the spring (17), and the plastic plug (18) is arranged in the limit step seat (13).

3. The high-current waterproof power connector according to claim 2, wherein two sides of the plastic push rod (18) are connected with limiting blocks (19), the limiting blocks (19) are abutted against steps on the limiting step seat (13), and the plastic push rod (18) is movably sleeved at one end of the metal push button (15).

4. The high-current waterproof power connector according to claim 1, wherein a waterproof pad (20) is arranged on the female end housing (2), and a fixing hole (21) is formed in the female end housing (2) in a penetrating manner.

5. The high-current waterproof power connector according to claim 1, wherein a rear waterproof ring block (22) is arranged at one end side of the male end housing (1), and a male end rear cover (23) clamped on the male end housing (1) is arranged at one side of the rear waterproof ring block (22).