CN107785747B - Electric connector - Google Patents

Abstract

The invention discloses an electrical connector, which is suitable for being electrically connected with a bus bar of an electrical system. The electrical connector includes: an insulating housing; a conductive roller rotatably supported in the insulating housing; and a conductive terminal disposed in the insulating housing and in electrical contact with the conductive roller. The conductive rollers are adapted to be in electrical contact with the bus bars. When the bus bar is pulled, the conductive roller can rotate around its axis under the driving of the bus bar. In the present invention, the conductive terminals of the electrical connector and the bus bars of the electrical system are respectively in rolling friction with the conductive rollers rotatably installed on the insulating housing of the electrical connector, thereby reducing the impact on the conductive terminals of the electrical connector and the electrical system. wear of the bus bars.

Description

electrical connector

technical field

The present invention relates to an electrical connector, in particular to an electrical connector suitable for electrical connection with a bus bar of an electrical system.

Background technique

In the prior art, there is usually a sliding contact between the conductive terminals of the electrical connector and the bus bars of the electrical system. Since the frictional force of the sliding contact is relatively large, this sliding contact method is only suitable for the case where the sliding distance between the conductive terminal of the electrical connector and the bus bar of the electrical system is short. However, sometimes, in some special applications, the bus bars of the electrical system need to move a long distance relative to the conductive terminals of the electrical connector. At this time, if the existing sliding contact method is also used, the electrical connector will cause severe wear to the conductive terminals and bus bars of the electrical system.

SUMMARY OF THE INVENTION

It is an object of the present invention to reduce wear on the conductive terminals of electrical connectors and the bus bars of electrical systems.

According to one aspect of the present invention, there is provided an electrical connector suitable for electrical connection with a bus bar of an electrical system. The electrical connector includes: an insulating housing; a conductive roller rotatably supported in the insulating housing; and a conductive terminal disposed in the insulating housing and in electrical contact with the conductive roller. The conductive rollers are adapted to be in electrical contact with the bus bars.

According to an embodiment of the present invention, an elastic element is provided in the insulating housing, and the elastic element pushes the conductive terminal on one side of the conductive roller, so that the conductive terminal and the conductive Roller electrical contacts.

According to another embodiment of the present invention, the conductive terminal includes: a first conductive terminal having a plate-shaped body portion and a pair of side walls on both sides of the plate-shaped body portion; and a second conductive terminal having a A plate-like top and a pair of elastic arms extending from both sides of the plate-like top. The electrical contacts on the pair of elastic arms are in elastic electrical contact with the inner surfaces of the pair of side walls; the elastic element pushes the plate-shaped top of the second conductive terminal to one side of the conductive roller superior.

According to another embodiment of the present invention, the first conductive terminal further has connection pins protruding from the bottom of the insulating housing, and the connection pins are suitable for being electrically connected to a circuit board.

According to another embodiment of the present invention, the electrical connector includes a plurality of the conductive rollers, and the plate-shaped top of the second conductive terminal is in electrical contact with the plurality of the conductive rollers at the same time.

According to another embodiment of the present invention, a plurality of the elastic elements are arranged in the insulating housing, and each of the elastic elements is arranged directly under a corresponding one of the conductive rollers; the plurality of the elastic elements together The plate-shaped top of the second conductive terminal is pressed on one side of the plurality of conductive rollers.

According to another embodiment of the present invention, the conductive terminal has an elastic arm, and the elastic arm is in elastic electrical contact with one side of the conductive roller.

According to another embodiment of the present invention, the conductive terminal further has connection pins protruding from the bottom of the insulating housing, and the connection pins are suitable for being electrically connected to the circuit board.

According to another embodiment of the present invention, the electrical connector includes a plurality of the conductive rollers and a plurality of the conductive terminals, and the elastic arm of each of the conductive terminals is in electrical contact with one side of a corresponding one of the conductive rollers.

According to another embodiment of the present invention, a mounting hole is formed on one of the conductive roller and the insulating housing, and a fitting hole suitable for assembling is formed on the other of the conductive roller and the insulating housing. the shaft in the mounting hole.

According to another embodiment of the present invention, the diameter of the installation hole is slightly larger than the diameter of the rotating shaft, so that the conductive roller can move up and down within a predetermined distance range in a direction perpendicular to its axis.

According to another embodiment of the present invention, the conductive terminal pushes the conductive roller on one side of the bus bar, so that the conductive roller is in electrical contact with the bus bar.

According to another embodiment of the present invention, the installation hole is formed on the insulating casing, the rotating shaft is formed on the conductive roller; and an inclined guide groove is formed on the inner wall of the insulating casing, It is used to guide the rotating shaft on the conductive roller into the installation hole.

According to another embodiment of the present invention, a chute for accommodating and guiding the movement of the bus bar is formed on the insulating housing; and the conductive roller pushes the bus bar against the inner wall of the chute superior.

According to another embodiment of the present invention, the contact area of the bus bar and the conductive roller is larger than the contact area of the conductive terminal and the conductive roller, so that when the conductive roller rotates, the bus bar and the conductive roller are rotated. The rolling friction force between the conductive rollers is greater than the rolling friction force between the conductive terminals and the conductive rollers.

In each of the foregoing exemplary embodiments according to the present invention, the conductive terminals of the electrical connector and the bus bars of the electrical system have rolling friction with the conductive rollers rotatably mounted on the insulating housing of the electrical connector, thereby reducing friction between the electrical conductors and the electrical system. Wear of conductive terminals of electrical connectors and bus bars of electrical systems.

Other objects and advantages of the present invention will be apparent from the following description of the present invention with reference to the accompanying drawings, and may assist in a comprehensive understanding of the present invention.

Description of drawings

FIG. 1 shows an assembly schematic diagram of an electrical connector according to a first embodiment of the present invention;

FIG. 2 shows an exploded schematic view of the electrical connector according to the first embodiment of the present invention;

FIG. 3 is a schematic diagram showing the electrical connection between the electrical connector shown in FIG. 1 and the bus bar of the electrical system;

FIG. 4 shows a schematic diagram of the assembly of the electrical connector according to the second embodiment of the present invention;

FIG. 5 shows an exploded schematic view of an electrical connector according to a second embodiment of the present invention; and

FIG. 6 is a schematic diagram showing the electrical connection between the electrical connector shown in FIG. 4 and the bus bar of the electrical system.

Detailed ways

The technical solutions of the present invention will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In the specification, the same or similar reference numerals refer to the same or similar parts. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, and should not be construed as a limitation of the present invention.

Furthermore, in the following detailed description, for convenience of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. Obviously, however, one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in diagram form in order to simplify the drawings.

According to a general technical concept of the present invention, an electrical connector is provided, which is suitable for being electrically connected with a bus bar of an electrical system. The electrical connector includes: an insulating housing; a conductive roller rotatably supported in the insulating housing; and a conductive terminal disposed in the insulating housing and in electrical contact with the conductive roller. The conductive rollers are adapted to be in electrical contact with the bus bars.

first embodiment

1 to 3 show an electrical connector according to a first embodiment of the present invention. 1 shows an assembly schematic diagram of the electrical connector according to the first embodiment of the present invention; FIG. 2 shows an exploded schematic view of the electrical connector according to the first embodiment of the present invention; FIG. 3 shows the electrical connection shown in FIG. 1 A schematic diagram of the electrical connection between the device and the bus bar 10 of the electrical system.

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the electrical connector mainly includes an insulating housing 110 , a conductive roller 150 and conductive terminals 120 and 130 .

As shown in FIGS. 1 and 2 , in the illustrated embodiment, the conductive roller 150 is rotatably supported in the insulating housing 110 . The conductive terminals 120 and 130 are disposed in the insulating housing 110 and are in electrical contact with the conductive roller 150 .

As shown in FIG. 3 , in one embodiment of the present invention, the bus bar 10 is adapted to be in electrical contact with the conductive roller 150 . When the bus bar 10 is pulled, the conductive roller 150 can be driven by the bus bar 10 to rotate around its axis .

As clearly shown in FIG. 2 , in the illustrated embodiment, the conductive terminals 120 , 130 include a first conductive terminal 120 and a second conductive terminal 130 . The first conductive terminal 120 has a plate-shaped body portion and a pair of side walls 121 located on both sides of the plate-shaped body portion. The second conductive terminal 130 has a plate-shaped top 131 and a pair of elastic arms 132 extending from both sides of the plate-shaped top 131 . The electrical contacts 1321 on the pair of elastic arms 132 are in elastic electrical contact with the inner surfaces of the pair of side walls 121 .

As clearly shown in FIG. 2 , in the illustrated embodiment, an elastic element 140 is provided in the insulating housing 110 , and the elastic element 140 pushes the plate-shaped top 131 of the second conductive terminal 130 against a portion of the conductive roller 150 . side so that the conductive terminals 130 are in electrical contact with the conductive rollers 150 .

As shown in FIG. 1 to FIG. 3 , in the illustrated embodiment, the first conductive terminal 120 further has a connecting pin 122 protruding from the bottom of the insulating housing 110 , and the connecting pin 122 is suitable for being electrically connected to a circuit board (not shown). icon).

As shown in FIGS. 1 to 3 , in the illustrated embodiment, in order to increase the contact area, the electrical connector may include a plurality of conductive rollers 150 . The plate-shaped top portion 131 of the second conductive terminal 130 is in electrical contact with the plurality of conductive rollers 150 at the same time.

As shown in FIGS. 1 to 3 , in the illustrated embodiment, a plurality of elastic elements 140 are arranged in the insulating housing 110 , and each elastic element 140 is arranged directly below a corresponding one of the conductive rollers 150 . The plurality of elastic elements 140 together push the plate-shaped top 131 of the second conductive terminal 130 on one side of the plurality of conductive rollers 150 .

As shown in FIGS. 1 to 3 , in the illustrated embodiment, a mounting hole 111 is formed on one of the conductive roller 150 and the insulating housing 110 , and a mounting hole 111 is formed on the other of the conductive roller 150 and the insulating housing 110 A rotating shaft 151 adapted to fit in the mounting hole 111 is formed.

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the diameter of the mounting hole 111 is slightly larger than the diameter of the rotating shaft 151 , so that the conductive roller 150 can move up and down within a predetermined distance range in the direction perpendicular to its axis. move.

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the conductive terminal 130 pushes the conductive roller 150 on one side of the bus bar 10 , so that the conductive roller 150 is in electrical contact with the bus bar 10 .

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the mounting hole 111 is formed on the insulating housing 110 , and the rotating shaft 151 is formed on the conductive roller 150 . An inclined guide groove 112 is formed on the inner wall of the insulating housing 110 for guiding the rotating shaft 151 on the conductive roller 150 into the installation hole 111 . In this way, the conductive roller 150 can be easily installed on the insulating housing 110 .

As shown in FIGS. 1 to 3 , in the illustrated embodiment, a chute 113 for accommodating and guiding the movement of the bus bar 10 is formed on the insulating housing 110 . The conductive roller 150 pushes the bus bar 10 against the inner wall of the chute 113 .

As shown in FIGS. 1 to 3 , in the illustrated embodiment, the contact area between the bus bar 10 and the conductive roller 150 is larger than the contact area between the conductive terminal 130 and the conductive roller 150 , so that when the conductive roller 150 rotates, the bus bar 10 The rolling friction force with the conductive roller 150 is greater than the rolling friction force between the conductive terminal 130 and the conductive roller 150 . In this way, when the bus bar 10 is drawn, the conductive roller 150 can rotate around its axis under the driving of the bus bar 10 .

Second Embodiment

4 to 6 show an electrical connector according to a second embodiment of the present invention. 4 shows an assembly schematic diagram of the electrical connector according to the second embodiment of the present invention; FIG. 5 shows an exploded schematic view of the electrical connector according to the second embodiment of the present invention; and FIG. 6 shows the electrical connector shown in FIG. 4 . A schematic diagram of the electrical connection of the connector to the bus bar 10 of the electrical system.

As shown in FIGS. 4 to 6 , in the illustrated embodiment, the electrical connector mainly includes an insulating housing 210 , a conductive roller 250 and a conductive terminal 230 .

As shown in FIGS. 4 and 5 , in the illustrated embodiment, the conductive roller 250 is rotatably supported in the insulating housing 210 . The conductive terminals 230 are disposed in the insulating housing 210 and are in electrical contact with the conductive rollers 250 .

As shown in FIG. 6 , in one embodiment of the present invention, the bus bar 10 is adapted to be in electrical contact with the conductive roller 250 . When the bus bar 10 is pulled, the conductive roller 250 can rotate around its axis under the drive of the bus bar 10 .

As clearly shown in FIG. 5 , in the illustrated embodiment, the conductive terminal 230 has an elastic arm 231 which is in elastic electrical contact with one side of the conductive roller 150 .

As shown in FIG. 4 to FIG. 6 , in one embodiment of the present invention, the conductive terminal 230 further has a connecting pin 232 protruding from the bottom of the insulating housing 210 , and the connecting pin 232 is suitable for being electrically connected to a circuit board (not shown). icon).

As shown in FIGS. 4 to 6 , in the illustrated embodiment, in order to increase the contact area, the electrical connector may include a plurality of conductive rollers 150 and a plurality of conductive terminals 230 , the elastic arms 231 of each conductive terminal 230 are connected to the One side of the corresponding one of the conductive rollers 150 is in electrical contact.

As shown in FIGS. 4 to 6 , in the illustrated embodiment, a mounting hole 211 is formed on one of the conductive roller 250 and the insulating housing 210 , and a mounting hole 211 is formed on the other of the conductive roller 250 and the insulating housing 210 A rotating shaft 251 adapted to fit in the mounting hole 211 is formed.

As shown in FIGS. 4 to 6 , in the illustrated embodiment, the diameter of the mounting hole 211 is slightly larger than the diameter of the rotating shaft 251 , so that the conductive roller 250 can move up and down within a predetermined distance range in the direction perpendicular to its axis. move.

As shown in FIGS. 4 to 6 , in the illustrated embodiment, the conductive terminal 230 pushes the conductive roller 250 on one side of the bus bar 10 , so that the conductive roller 250 is in electrical contact with the bus bar 10 .

As shown in FIGS. 4 to 6 , in the illustrated embodiment, the mounting hole 211 is formed on the insulating housing 210 , and the rotating shaft 251 is formed on the conductive roller 250 . An inclined guide groove 212 is formed on the inner wall of the insulating housing 210 for guiding the rotating shaft 251 on the conductive roller 250 into the installation hole 211 . In this way, the conductive roller 250 can be easily installed on the insulating housing 210 .

As shown in FIGS. 4 to 6 , in the illustrated embodiment, a chute 213 for accommodating and guiding the movement of the bus bar 10 is formed on the insulating housing 210 . The conductive roller 250 pushes the bus bar 10 against the inner wall of the chute 213 .

As shown in FIGS. 4 to 6 , in the illustrated embodiment, the contact area of the bus bar 10 and the conductive roller 250 is larger than the contact area of the conductive terminal 230 and the conductive roller 250 , so that when the conductive roller 250 rotates, the bus bar 10 The rolling friction force with the conductive roller 250 is greater than the rolling friction force between the conductive terminal 230 and the conductive roller 250 . In this way, when the bus bar 10 is drawn, the conductive roller 250 can rotate around its axis under the driving of the bus bar 10 .

Those skilled in the art can understand that the above-described embodiments are all exemplary, and those skilled in the art can make improvements thereto, and the structures described in the various embodiments do not conflict in terms of structures or principles can be freely combined.

Although the present invention has been described with reference to the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to illustrate the preferred embodiments of the present invention and should not be construed as a limitation of the present invention.

Although some embodiments of the present general inventive concept have been shown and described, those of ordinary skill in the art will understand that The scope is defined by the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Furthermore, any element numbers in the claims should not be construed as limiting the scope of the invention.

Claims (11)

1. An electrical connector suitable for electrical connection with a bus bar (10) of an electrical system, characterized in that: the electrical connector comprises: an insulating housing (110); a conductive roller (150) rotatably supported in the insulating housing (110); and Conductive terminals (120, 130) are arranged in the insulating housing (110) and are in electrical contact with the conductive roller (150), Wherein, the conductive roller (150) is adapted to be in electrical contact with the bus bar (10), The conductive terminals (120, 130) include: a first conductive terminal (120) having a plate-like body portion and a pair of side walls (121) on both sides of the plate-like body portion; and The second conductive terminal (130) has a pair of elastic arms (132), in, The electrical contacts (1321) on the pair of elastic arms (132) are in elastic electrical contact with the inner surfaces of the pair of side walls (121); An elastic element (140) is provided in the insulating housing (110), and the elastic element (140) pushes the second conductive terminal (130) on one side of the conductive roller (150). 2. The electrical connector according to claim 1, characterized in that, The second conductive terminal (130) has a plate-shaped top (131), the pair of elastic arms (132) extend from both sides of the plate-shaped top (131), and the elastic element (140) attaches the The plate-shaped top (131) of the second conductive terminal (130) is pressed on one side of the conductive roller (150), so that the second conductive terminal (130) is in electrical contact with the conductive roller (150) . 3. The electrical connector according to claim 2, wherein: The first conductive terminal (120) further has a connecting pin (122) protruding from the bottom of the insulating housing (110), and the connecting pin (122) is suitable for being electrically connected to a circuit board. 4. The electrical connector according to claim 2, wherein: The electrical connector includes a plurality of the conductive rollers (150), and the plate-shaped top (131) of the second conductive terminal (130) is in electrical contact with the plurality of the conductive rollers (150) at the same time. 5. The electrical connector according to claim 4, wherein: A plurality of the elastic elements (140) are arranged in the insulating housing (110), and each of the elastic elements (140) is arranged directly below a corresponding one of the conductive rollers (150); The plurality of elastic elements (140) together push the plate-shaped top (131) of the second conductive terminal (130) on one side of the plurality of conductive rollers (150). 6. The electrical connector according to claim 1, wherein: A mounting hole (211) is formed on one of the conductive roller (250) and the insulating housing (210), and the other one of the conductive roller (250) and the insulating housing (210) A rotating shaft (251) adapted to fit in the mounting hole (211) is formed thereon. 7. The electrical connector according to claim 6, wherein: The diameter of the mounting hole (211) is slightly larger than the diameter of the rotating shaft (251), so that the conductive roller (250) can move up and down within a predetermined distance range in a direction perpendicular to its axis. 8. The electrical connector according to claim 7, wherein: The conductive terminal (230) pushes the conductive roller (250) on one side of the bus bar (10), so that the conductive roller (250) is in electrical contact with the bus bar (10). 9. The electrical connector according to claim 6, wherein: The mounting hole (211) is formed on the insulating housing (210), and the rotating shaft (251) is formed on the conductive roller (250); and An inclined guide groove (212) is formed on the inner wall of the insulating housing (210) for guiding the rotating shaft (251) on the conductive roller (250) into the mounting hole (211). 10. The electrical connector of claim 8, wherein: A chute (213) for accommodating and guiding the movement of the bus bar (10) is formed on the insulating housing (210); and The conductive roller (250) pushes the bus bar (10) on the inner wall of the chute (213). 11. The electrical connector of claim 1, wherein: The contact area between the bus bar (10) and the conductive roller (250) is larger than the contact area between the conductive terminal (230) and the conductive roller (250), so that when the conductive roller (250) rotates, The rolling friction force between the bus bar (10) and the conductive roller (250) is greater than the rolling friction force between the conductive terminal (230) and the conductive roller (250).