CN217182538U

CN217182538U - Power supply connector

Info

Publication number: CN217182538U
Application number: CN202220768237.4U
Authority: CN
Inventors: 茆玉龙; 谢永涛
Original assignee: Smart Chip Microelectronic Co ltd
Current assignee: Smart Chip Microelectronic Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-08-12
Anticipated expiration: 2032-04-02

Abstract

The utility model provides a power supply connector, cable including casing, terminal and locking mechanism and connecting terminal, the casing is equipped with the butt joint chamber that holds the terminal and holds locking mechanism's holding tank, locking mechanism is including being fixed in the fixed magnet that holds tank bottom portion and being located the push type retaining member of fixed magnet top, the push type retaining member is equipped with the button of the protruding holding tank that stretches out, is located the movable magnet of button bottom and is located the clamping part of butt joint chamber one side, movable magnet with fixed magnet is upper and lower distribution and homopolar relative setting. The utility model discloses a button to push type retaining member simply presses the operation, alright realize the unblock operation to butt joint end connector, and loosen the button alright borrow the repulsion force realization locking operation of magnet, overall structure design is simple, and is not fragile or break down, is favorable to improving the reliability and the stability of relation of connection, and whole operation mode is also very convenient.

Description

Power supply connector

Technical Field

The utility model relates to an electric connection field especially relates to a power connector.

Background

A power connector is an electrical component widely used in computers, servers, and energy transmission/storage systems, and is one of the basic components for connecting different systems, and is used for transmitting large current in various electrical lines. Common power connector is including socket and plug, and the stable connection is realized through quick locking structure after pegging graft between the two, prevents to drop to cause to connect not hard up.

Taking an energy storage system as an example, the energy storage system is generally provided with a power connector with large current, and can be applied to the field of new energy (such as new energy automobiles), the plug and the socket of the power connector all adopt a round male terminal and a round female terminal, and have the defects of complex manufacture and complex structure, moreover, the plugging of the plug and the socket has some problems, the locking structure between the plug and the socket is complex, more parts are arranged, the assembly is inconvenient, the fault is easy to occur under the frequent plugging condition, so that the plugging safety is influenced, the plugging is inconvenient, the service life is also influenced, the defect is particularly fatal in the field of new energy, and the power utilization safety of the whole system can be directly influenced.

In view of the above, there is a need for an improved power connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a power connector to improve the complicated, inconvenient scheduling problem of equipment of locking structure among the prior art.

For solving the technical problem, the utility model provides a power connector, it includes the casing, accepts terminal and locking mechanism and connection in the casing the cable of terminal, the casing is equipped with and holds the butt joint chamber of terminal and holding locking mechanism's holding tank, locking mechanism is including being fixed in the fixed magnet of holding tank bottom and being located the push type retaining member of fixed magnet top, the push type retaining member is equipped with the button that the epirelief goes out the holding tank, is located the movable magnet of button bottom and is located the clamping part of butt joint chamber one side, movable magnet with fixed magnet is upper and lower distribution and homopolar relative setting.

As a further improvement of the present invention, the clamping portion is provided with a protruding clip edge which can be inserted into the docking cavity, the clip edge follows the movement of the button protrudes into or exits the docking cavity.

As a further improvement of the utility model, the butt joint chamber is circular, the arc card limit is in be less than all the time in the motion process of button the center in butt joint chamber.

As a further improvement, the push-type locking member further comprises a main body, the clamping portion extends toward one side of the main body to the protruding extension of the butt joint cavity, and the movable magnet is fixed in the main body.

As a further improvement, the bottom of the main body is a hollow structure, which is provided with an opening arranged downwards, the movable magnet is exposed in the opening and with the fixed magnet is just opposite to the setting.

As a further improvement, the main body is cylindrical, the diameter of the main body is larger than the diameter of the button, and the main body is further provided with a abdicating notch.

As a further improvement of the present invention, the button is assembled with the main body into a whole, and the movable magnet is fixed to the bottom of the button or to the main body and receives the pressing of the button.

As a further improvement of the present invention, the button is injection molded integrally with the main body, and the movable magnet is held in or bonded to the bottom of the main body.

As a further improvement of the utility model, power connector still includes a top cap, the top cap cover in on the holding tank, just the top cap is equipped with a main cover portion, from the preceding trip that one side of main cover portion was extended towards butt joint chamber direction and from the back trip that the opposite side of main cover portion was extended towards the cable direction, preceding trip, back trip card are held on the casing.

As a further improvement, the main lid is provided with a supply the through-hole that the button passes through and a downwardly extending card arm, the casing is equipped with the top surface and the adjacent butt joint face with the top surface, the holding tank form in the internal surface of top surface and holding tank is equipped with the boss, be formed with on the butt joint face with the card arm card is held the complex locating hole.

Compared with the prior art, the utility model discloses power connector simply presses the operation through the button to the push type retaining member, alright realize right the unblock operation of butt joint connector (not shown in the figure), and loosen the button alright borrow the repulsion force of magnet and realize locking operation, overall structure design is very simple, and spare part is less and not fragile or break down, is favorable to improving power connector connection's reliability and stability, and whole operation mode is also very convenient moreover.

Drawings

Fig. 1 is a perspective view of the power connector of the present invention.

Fig. 2 is a partially exploded view of the power connector of the present invention.

Fig. 3 is a perspective view of another perspective of the power connector of the present invention.

Fig. 4 is a schematic position diagram of the locking mechanism and the terminal of the power connector of the present invention.

Fig. 5 is a schematic view of the locking mechanism of the power connector according to the present invention in an unlocked state.

Fig. 6 is a schematic view of a locking mechanism of the power connector according to the present invention in a locked state.

Fig. 7 is a partially exploded view of the locking mechanism of the power connector of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, the present invention provides a power connector 100, which includes a housing 10, a terminal 20 accommodated in the housing 10, a cable 30 connected to the terminal 20, and a locking mechanism 40 located in the housing 10, wherein the housing 10 covers the periphery of the terminal 20 and the locking mechanism 40, the cable 30 extends into the housing 10 and is connected to the terminal 20, and the terminal 20 is electrically connected by plugging with a mating connector (not shown). The specific structure of each of the above-described components is described in detail below.

The housing 10 has a top surface 11 and a butt-joint surface 12 abutting against the top surface 11, the butt-joint surface 12 is disposed facing the butt-joint connector (not shown), the top surface 11 is perpendicular to the butt-joint surface 12, wherein the butt-joint surface 12 is provided with a circular butt-joint cavity 121 for the butt-joint connector (not shown) to be inserted into, the butt-joint cavity 121 is provided with an annular inner cavity surface 122 and a center O (see fig. 6), the butt-joint surface 12 is further provided with a positioning hole 123, the positioning hole 123 is located at one side of the butt-joint cavity 121, and the positioning hole 123 extends toward the inside of the housing 10 and is disposed to penetrate through the accommodating groove 112. The top surface 11 is provided with a concave portion 111 which is recessed downwards, and the bottom surface of the concave portion 111 is provided with an accommodating groove 112 which extends downwards to accommodate the locking mechanism 40, so that the fingers of an operator can enter the concave portion 111 to operate the locking mechanism 40, and the accommodating groove 112 is arranged to communicate with the docking cavity 121, so that the locking mechanism 40 in the accommodating groove 112 can protrude into the docking cavity 121, and the inner surface of the accommodating groove 112 is provided with a boss 113.

The terminal 20 includes a metal base 21 and a cylindrical contact portion 22, as shown in fig. 4, one end of the metal base 21 is connected to the cable 30, the other end of the metal base 21 is integrally connected to the contact portion 22, the extending direction of the contact portion 22 is perpendicular to the surface of the metal base 21, and the contact portion 22 is accommodated in the mating cavity 121 of the housing 10 and further extends outward from the housing 10, so that the end of the contact portion 22 protrudes from the mating surface 12, preferably, in order to improve the air tightness, an annular sealing sleeve 23 may be further sleeved on the contact portion 22, as shown in fig. 4. The contact portion 22 is located at the center of the docking cavity 121, and a certain space is left between the contact portion and the inner cavity surface 122 of the docking cavity 121 for inserting a docking end connector (not shown).

The locking mechanism 40 can be manually pushed to lock or release the butt end connector (not shown), so that the power connector 100 of the present invention can be reliably and stably connected to the butt end connector (not shown) and the connection operation is simple and convenient. As shown in fig. 4 to 7, the locking mechanism 40 includes a top cover 41 covering the receiving groove 112, a fixed magnet 42 disposed at the bottom of the receiving groove 112, and a pressing type locking member 43 received in the receiving groove 112. Specifically, the method comprises the following steps:

the top cover 41 is installed in the concave portion 111 of the housing 10 and is provided with a circular main cover portion 410, a front hook 411 extending from one side of the main cover portion 410 toward the docking chamber 121, and a rear hook 412 extending from the other side of the main cover portion 410 toward the cable 30, the main cover portion 410 is provided with a through hole 413 through which the pressing type locking member 43 passes and a downward extending arm 414, the main cover portion 410 is supported on the boss 113 in the accommodating groove 112, and the front hook 411, the rear hook 412 and the arm 414 are respectively clamped on the housing 10 from the front, rear, left and right directions of the main cover portion 410, so that the top cover 41 can be reliably connected to the housing 10 to prevent the pressing type locking member 43 from ejecting out of the accommodating groove 112, wherein the arm 414 is clamped in the positioning hole 123.

The pressing type locking member 43 is provided with a cylindrical main body 430, a clamping portion 431 extending from one side of the main body 430 toward the docking cavity 121, a button 432 extending upwards from the main body 430 and a movable magnet 433 mounted in the main body 430 and movable up and down along with the button 432, the main body 430 is located under the main cover portion 410, a abdicating notch 434 corresponding to the clamping arm 414 is formed in the main body 430, the main body 430 and the button 432 are combined into a whole so as to realize up-down synchronous displacement, and the button 432 protrudes out of the through hole 413 of the main cover portion 410 to be exposed in the recess 111 on the top surface of the casing 10, so that the pressing operation can be conveniently carried out on the button. The clamping portion 431 is formed by integral injection molding with the main body 430, and is provided with an arc-shaped clamping edge 435 facing the terminal 20, the curved catch 435 can protrude into or out of the docking cavity 121 during up and down movement of the button 432, thereby achieving the clamping locking or unlocking release of the butt end connector (not shown), referring to fig. 5 and 6, the movable magnet 433 is fixed to the bottom of the body 430, and faces the fixed magnet 42, and two faces of the movable magnet 433, which have the same polarity as the fixed magnet 42, are oppositely arranged, thereby generating repulsive force when approaching each other, and only by releasing the button 432, the main body 430 and the button 432 are totally repelled upward and away, thereby allowing the clamping portion 431 to enter the docking cavity 121 to clamp the docking end connector and prevent the docking end connector (not shown) from being loosened. It should be noted that the bottom of the main body 430 is hollow, and is provided with an opening 436 facing downward, so that the movable magnet 433 in the main body 430 can be directed to the fixed magnet 42 below the lower surface, and the movable magnet 433 is trapped in the opening 436 and cannot be directly contacted with the fixed magnet 42, as shown in fig. 7.

It should be noted that the button 432 and the main body 430 may be assembled with each other, or may be an integral structure formed by integral injection molding, if the button 432 and the main body 430 are assembled with each other, the movable magnet 433 may be directly fixed at the bottom of the button 432 or fixed on the main body 430 and pressed by the button 432, if the button 432 and the main body 430 are integral structure, the movable magnet 433 may be clamped at the bottom of the main body 430 by hard interference from bottom to top, or may be fixed by being adhered to the bottom of the main body 430 by glue. The above two modes all belong to the scope of the utility model.

When the power connector 100 is plugged into a mating connector (not shown), the button 432 needs to be pressed first, the press-type locking member 43 is pressed down integrally, so that the arc-shaped clamping edge 435 of the clamping portion 431 is withdrawn from the mating cavity 121, and the mating connector (not shown) is conveniently inserted into the mating cavity 121 (see fig. 5), after the plugging is completed, the press-type locking member 43 only needs to release the button 432, and the press-type locking member 43 moves integrally upward under the repulsive force of the movable magnet 433 and the fixed magnet 42, so that the clamping portion 431 rises and enters the mating cavity 121, and the mating connector is clamped, and the clamping portion 431 does not exceed the horizontal line of the center O (see fig. 6). It can be seen that, in the power connector 100 of the present invention, the push-type locking member 43 is in the locked state (see fig. 6) without pressing the button 432, and the push-type locking member 43 can be in the unlocked state (see fig. 5) by pressing the button 432 downwards.

To sum up, power connector 100 is through the simple operation of pressing down to push type retaining member 43, alright realization is right the unblock operation of butt joint connector (not shown), and loosen button 432 alright borrow the repulsion force of magnet and realize locking operation, overall structure design is very simple, and spare part is less and not fragile or break down, is favorable to improving power connector 100 connection's reliability and stability, and whole operation mode is also very convenient moreover.

The above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a power connector, includes the casing, accepts terminal and locking mechanism in the casing and connects the cable of terminal, the casing is equipped with and holds the butt joint chamber of terminal and hold locking mechanism's holding tank which characterized in that: locking mechanism is including being fixed in the fixed magnet of holding tank bottom portion and being located the push type retaining member of fixed magnet top, the push type retaining member is equipped with the button of the protruding holding tank that stretches out that makes progress, is located the movable magnet of button bottom and is located the clamping part of butt joint chamber one side, movable magnet with fixed magnet is upper and lower distribution and homopolar relative setting.

2. The power connector of claim 1, wherein: the clamping part is provided with an arc clamping edge which can protrude into the butt joint cavity, and the arc clamping edge protrudes into or exits from the butt joint cavity along with the movement of the button.

3. The power connector of claim 2, wherein: the butt joint cavity is circular, and the arc-shaped clamping edge is always lower than the center of the butt joint cavity in the movement process of the button.

4. The power connector of claim 1, wherein: the push type locking piece is further provided with a main body, the clamping portion extends towards the butt joint cavity from one side of the main body in a protruding mode, and the movable magnet is fixed in the main body.

5. The power connector of claim 4, wherein: the bottom of main part is hollow out construction, and it is equipped with an opening that sets up downwards, movable magnet expose in the opening and with fixed magnet is just to setting up.

6. The power connector of claim 5, wherein: the main part is the cylinder, and its diameter is greater than the diameter of button, and still be equipped with in the main part and let a breach.

7. The power connector of claim 4, wherein: the button and the main body are assembled into a whole, and the movable magnet is fixed at the bottom of the button or fixed on the main body and pressed by the button.

8. The power connector of claim 4, wherein: the button and the main body are integrally molded by injection, and the movable magnet is clamped or bonded at the bottom of the main body.

9. A power connector as claimed in any one of claims 1 to 8, wherein: the power connector further comprises a top cover, the top cover covers the accommodating groove, the top cover is provided with a main cover portion, a front clamping hook extending from one side of the main cover portion towards the direction of the butt joint cavity, and a rear clamping hook extending from the other side of the main cover portion towards the direction of the cable, and the front clamping hook and the rear clamping hook are clamped on the shell.

10. The power connector of claim 9, wherein: the main cover part is provided with a through hole for the button to pass through and a clamping arm extending downwards, the shell is provided with a top surface and a butt joint surface adjacent to the top surface, the accommodating groove is formed in the top surface, a boss is arranged on the inner surface of the accommodating groove, and a positioning hole matched with the clamping arm in a clamping mode is formed in the butt joint surface.