Large-current connector

Abstract

The utility model belongs to the field of electric connectors, and particularly relates to a large-current connector. The utility model relates to an electric connector which comprises a first shell and a second shell, a locking through hole is arranged on the surface of the first shell, an opening communicated with an inner cavity of the second shell is arranged at the upper end of the second shell, a first mounting cavity is arranged in the second shell, the electric connector further comprises a key, a locking boss is arranged on the upper surface of the key, and when the first shell is matched with the second shell in an inserted mode, the locking boss can be locked. A lifting guide column is arranged on the rear portion of the lower surface of the key body, a mounting hole is formed in the lifting guide column along the axis, the lifting guide column is arranged in the first mounting cavity, a spring is arranged in the mounting hole, first bosses are symmetrically arranged on the inner wall of the first mounting cavity, and the second bosses are symmetrically arranged on the inner wall of the first mounting cavity. A first boss is arranged on the outer side wall of the lifting guide column, a second boss is arranged on the outer side wall of the lifting guide column, the first boss and the second boss are matched to achieve connection of the key and the second shell, and the large-current connector has the advantages of being convenient to unlock and assemble.

Description

Technical Field

[0001] The utility model belongs to the field of electric connectors, in particular to a high current connector. Background Art

[0002] An electrical connector is a common electronic device that realizes the function of current and / or signal transmission through the contact of connecting terminals. An electrical connector generally includes a male connector and a female connector, each of which has a connecting terminal built in. By plugging and unplugging the male connector and the female connector, the connecting terminals between the male connector and the female connector are connected or disconnected to realize the conduction or disconnection of current and / or signal transmission.

[0003] In order to ensure the connection reliability between the male connector and the female connector, the existing high-current connector generally ensures the connection reliability between the two by cooperating between a locking spring and a locking boss on the other shell. The locking spring is relatively strong, and it is impossible to unlock multiple locking springs at the same time by hand, making it difficult to disassemble the male connector and the female connector. The locking spring is easily damaged during the disassembly process, which affects the service life of the connector. Summary of the invention

[0004] In view of the deficiencies in the prior art, the utility model designs a high-current connector which is easy to unlock and assemble.

[0005] The technical solution of the utility model is as follows:

[0006] A high current connector, comprising a first shell and a second shell, wherein the first shell is inserted and matched in the second shell, and is characterized in that: a locking through hole is provided on the surface of the first shell, an opening is provided at the upper end of the second shell that is connected to the inner cavity of the second shell, a first mounting cavity is provided in the second shell, and a key is also provided, wherein the key comprises an elongated key body, a front end of the key body is located in the second shell, and a locking boss is provided on the upper surface of the front end of the key body, when the first shell is plugged and matched with the second shell, the locking boss is matched in the locking through hole, a lifting guide column is provided at the rear part of the lower surface of the key body, a mounting hole is provided along the axis of the lifting guide column, the lifting guide column is arranged in the first mounting cavity, and a spring is provided in the mounting hole, a first boss is symmetrically provided on the inner wall of the first mounting cavity, a second boss is provided on the outer wall of the lifting guide column, and the first boss and the second boss cooperate to realize the connection between the key and the second shell.

[0007] Furthermore, the tail of the second shell is provided with a second opening connected to the first mounting cavity, and grooves are respectively provided on the outer walls of the second shell on both sides of the second opening, and a connecting boss is provided on the bottom surface of the groove. It also includes a rear end cover, and connecting plates are respectively provided on both sides of the rear end cover, and connecting through holes are provided on the connecting plates. The rear end cover is tightly attached to the tail of the second shell and the connecting plate is embedded in the groove, and the connecting boss is inserted into the connecting through hole.

[0008] Furthermore, the lifting guide column is a square lifting guide column.

[0009] Furthermore, the second shell includes a horizontal shell and a vertical shell, the opening and the first installation cavity are arranged on the horizontal shell, and also includes a conductive copper part, the guide tube copper part and the second shell are injection molded as a whole, and the guide copper part is 90°.

[0010] Furthermore, the conductive copper part includes a connecting copper column, one end of which is connected to a main rod, an isosceles trapezoidal notch is provided on the main rod, and the main rod is bent at the notch, and after bending, the axis of the connecting copper column and the main rod is 90°.

[0011] Furthermore, the diameter of the connecting copper column is 6 mm, and the diameter of the main rod is 8.7 mm.

[0012] In summary, the utility model has the following beneficial effects:

[0013] 1. The utility model designs a high-current connector, specifically improves the structure of the second shell. The key is arranged in the second shell. On the one hand, part of the key is located in the opening, which is convenient for people to operate, thereby facilitating the unlocking and disassembly of the first shell and the second shell. On the other hand, the key is located in the second shell, not higher than the second shell, and does not affect the overall height of the connector, meeting the needs of the use occasions.

[0014] 2. The utility model further defines the conductive copper part. The conductive copper part of the utility model is 90° and is formed by bending. The conductive copper part has good integrity and meets the use requirements of large current. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional schematic diagram of the second housing of the utility model;

[0017] Figure 3 For Figure 2 A three-dimensional schematic diagram of a second housing on the basis (removing the rear end cover);

[0018] Figure 4It is a three-dimensional schematic diagram of the second housing of the utility model from another viewing angle;

[0019] Figure 5 It is a half-section schematic diagram of the second shell of the utility model;

[0020] Figure 6 is a three-dimensional schematic diagram of a key;

[0021] Figure 7 is a front view schematic diagram of a conductive copper part (before bending);

[0022] In the figure, 1 is a first housing, 10 is a locking through hole,

[0023] 2 is a second shell, 20 is an opening, 21 is a first mounting cavity, 210 is a first boss, 22 is a second opening, 23 is a groove, 230 is a connecting boss, 24 is a rear end cover, 240 is a connecting plate, 241 is a connecting through hole, 25 is a horizontal shell, 26 is a vertical shell, 27 is a conductive copper part, 270 is a connecting copper column, 271 is a main rod, 272 is a notch,

[0024] 3 is a button, 30 is a button body, 31 is a locking boss, 32 is a lifting guide column, 320 is a mounting hole, 33 is a spring, and 321 is a second boss. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0026] It should be noted that when an element is referred to as being "disposed on" or "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is referred to as being "fixed on" another element, or "fixedly connected" to another element, they may be fixed in a detachable manner or in a non-detachable manner. When an element is considered to be "connected" or "rotatably connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right", "upper", "lower" and similar expressions used are for illustrative purposes only and do not represent the only implementation method.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to restrict the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0028] The terms “first”, “second”, “third” and the like in the present invention do not represent specific quantities and orders, but are merely used to distinguish names.

[0029] See also Figures 1 to 7 As shown, a high current connector comprises a first shell 1 and a second shell 2, wherein the first shell 1 is inserted and matched in the second shell 2, a locking through hole 10 is provided on the surface of the first shell 1, an opening 20 communicating with the inner cavity of the second shell is provided at the upper end of the second shell 2, a first mounting cavity 21 is provided in the second shell 2, and a key 3 is further provided, wherein the key 3 comprises a long strip-shaped key body 30, the front end of the key body 30 is located in the second shell, and a locking boss 31 is provided on the upper surface of the front end of the key body, when the first shell 1 and the second shell 2 are connected, the first mounting cavity 21 is provided in the second shell 2, and the key 3 comprises a long strip-shaped key body 30, the front end of the key body 30 is located in the second shell, and a locking boss 31 is provided on the upper surface of the front end of the key body. After the second shell 2 is plugged in, the locking boss 31 is engaged in the locking through hole 10, and a lifting guide column 32 is provided at the rear of the lower surface of the button body 30. The lifting guide column 32 is provided with a mounting hole 320 along the axis. The lifting guide column 32 is arranged in the first mounting cavity 21, and a spring 33 is provided in the mounting hole 320. The first boss 210 is symmetrically provided on the inner wall of the first mounting cavity 21, and the second boss 321 is provided on the outer wall of the lifting guide column 32. The first boss 210 and the second boss 321 cooperate to realize the connection between the button and the second shell.

[0030] The utility model improves the connector, an opening is arranged in the second shell, a button is arranged inside the second shell corresponding to the opening, the front end of the button body is located in the second shell, and there is a certain gap between the upper surface of the button body and the inner wall of the second shell. When the first shell is inserted into the second shell, the first shell enters the gap between the button body and the inner wall of the second shell, the locking boss cooperates with the locking through hole to achieve the locking of the first shell and the second shell, the lifting guide column of the button can move up and down in the first installation cavity, and is reset by a spring. When the button is pressed, the locking boss of the button is separated from the locking through hole. At this time, the first shell and the second shell are unlocked, which is convenient for the separation and disassembly of the two. When the button is released, the button is reset under the action of the spring, and the button is held by the cooperation of the first boss and the second boss to ensure that the button will not fall out of the second shell.

[0031] See also Figures 2 to 4As shown, the tail of the second shell 2 is provided with a second opening 22 connected with the first installation cavity 21, and grooves 23 are respectively provided on the outer walls of the second shell on both sides of the second opening 22, and a connecting boss 230 is provided on the bottom surface of the groove 23, and also includes a rear end cover 24, and connecting plates 240 are respectively provided on both sides of the rear end cover 24, and a connecting through hole 241 is provided on the connecting plate. The rear end cover is tightly attached to the tail of the second shell and the connecting plate is embedded in the groove, and the connecting boss is inserted into the connecting through hole. Here, a rear end cover is added to the second shell to seal the tail of the second shell. The second opening is convenient for people to hold the spring through auxiliary components, thereby ensuring the installation reliability of the spring, and the spring will not be skewed. In the process of use, when the spring is damaged or skewed, people can also observe and adjust the condition of the spring by removing the rear end cover, which is convenient for subsequent maintenance.

[0032] See also Figure 6 As shown, the lifting guide column 32 is a square lifting guide column with a square structural design, which can limit the rotation of the key around the lifting guide column, thereby reducing the shaking of the key in the second shell and improving the quality of the product.

[0033] See also Figure 5 and Figure 7 As shown, the second shell 2 includes a horizontal shell 25 and a vertical shell 26, the opening 20 and the first mounting cavity 21 are arranged on the horizontal shell 25, and also includes a conductive copper part 27, the guide tube copper part and the second shell are injection molded as one piece, and the guide copper part is 90°, the shape of the second shell is limited here, the second shell of the utility model is a connector shell with a 90-degree outlet, and the conductive copper part is injection molded as one piece with the second shell.

[0034] See also Figure 7 As shown, the conductive copper part 27 includes a connecting copper column 270, one end of which is connected to a main rod 271, and an isosceles trapezoidal notch 272 is provided on the main rod 271. The main rod 271 is bent at the notch, and after bending, the axis of the connecting copper column and the main rod is 90°. The conductive copper part of the utility model is also integrally formed, and the conductive copper part is formed by bending, and has better conductivity than the assembled conductive copper parts in the prior art.

[0035] The diameter of the connecting copper column is 6 mm, and the diameter of the main rod is 8.7 mm.

[0036] In summary, the utility model has the following beneficial effects:

[0037] 1. The utility model designs a high-current connector, specifically improves the structure of the second shell. The key is arranged in the second shell. On the one hand, part of the key is located in the opening, which is convenient for people to operate, thereby facilitating the unlocking and disassembly of the first shell and the second shell. On the other hand, the key is located in the second shell, not higher than the second shell, and does not affect the overall height of the connector, meeting the needs of the use occasions.

[0038] 2. The utility model further defines the conductive copper part. The conductive copper part of the utility model is 90° and is formed by bending. The conductive copper part has good integrity and meets the use requirements of large current.

[0039] Based on the described embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention.

Claims

1. A high current connector, comprising a first housing and a second housing, wherein the first housing is inserted and fitted into the second housing, characterized in that: The surface of the first shell is provided with a locking through hole, the upper end of the second shell is provided with an opening connected to the inner cavity of the second shell, the second shell is provided with a first mounting cavity, and also includes a key, the key includes a long strip of key body, the front end of the key body is located in the second shell, and the upper surface of the front end of the key body is provided with a locking boss, when the first shell and the second shell are plugged into and matched, the locking boss is matched in the locking through hole, the rear part of the lower surface of the key body is provided with a lifting guide column, the lifting guide column is provided with a mounting hole along the axis, the lifting guide column is arranged in the first mounting cavity, and a spring is provided in the mounting hole, the inner wall of the first mounting cavity is symmetrically provided with a first boss, the outer wall of the lifting guide column is provided with a second boss, the first boss and the second boss cooperate to realize the connection between the key and the second shell.

2. A high current connector according to claim 1, characterized in that: The tail of the second shell is provided with a second opening connected to the first installation cavity, and grooves are respectively provided on the outer walls of the second shell on both sides of the second opening, and a connecting boss is provided on the bottom surface of the groove. It also includes a rear end cover, and connecting plates are respectively provided on both sides of the rear end cover, and connecting through holes are provided on the connecting plates. The rear end cover is tightly attached to the tail of the second shell and the connecting plate is embedded in the groove, and the connecting boss is snapped into the connecting through hole.

3. A high current connector according to any one of claims 1 or 2, characterized in that: The lifting guide column is a square lifting guide column.

4. A high current connector according to claim 3, characterized in that: The second shell comprises a horizontal shell and a vertical shell, the opening and the first mounting cavity are arranged on the horizontal shell, and also comprises a conductive copper piece, the guide tube copper piece and the second shell are integrally formed by injection molding, and the guide copper piece is at 90 degrees.

5. A high current connector according to claim 4, characterized in that: The conductive copper part comprises a connecting copper column, one end of which is connected to a main rod, an isosceles trapezoidal notch is provided on the main rod, the main rod is bent at the notch, and after bending, the connecting copper column and the axis of the main rod are at 90 degrees.

6. A high current connector according to claim 5, characterized in that: The diameter of the connecting copper column is 6 mm, and the diameter of the main rod is 8.7 mm.

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