A connector assembly and electrical application system thereof

Abstract

The present invention relates to the technical field of connectors and electrical systems, and in particular to a connector assembly and an electrical application system thereof, which includes a hardware base, one end of which is provided with a wire insertion slot transversely therethrough, a female connector and a wire crimping piece detachably connected to the hardware base, a wire crimping portion being provided at the bottom end of the female connector, the wire crimping portion protruding from the outer wall of the hardware base into the wire insertion slot, the bottom end of the wire crimping piece protruding from the outer wall of the hardware base into the wire insertion slot, an arc-shaped convex point being provided at the bottom end of the wire crimping portion, and a mounting hole being provided at the other end of the hardware base. The present invention can increase the contact area between the female connector and the copper wire of an electric wire or cable, and can also avoid scratching the copper wire of an electric wire or cable, and has a reliable and stable structure and strong safety in use. Furthermore, the wire crimping piece can prevent the copper wire of an electric wire or cable in the wire insertion slot from loosening, and the connection is reliable.

Description

Technical Field

[0001] The present invention relates to the technical field of connectors and electrical systems, and in particular to a connector assembly and an electrical application system thereof. Background Art

[0002] With the development of science and technology, most electronic devices and electrical equipment used in the current electronic information industry tend to be small and multifunctional. In order to facilitate the transmission of data between different electronic devices or the transmission of power between electrical equipment, a variety of connectors have been developed to connect different electronic devices to transmit data or to transmit power between electrical equipment. However, most of the current connectors of connecting components do not have sufficient contact with the cables and wires in the hardware, which makes them easy to loosen during connection, and have poor stability, making them very inconvenient to use and install. Summary of the invention

[0003] The present invention provides a connector assembly and an electrical application system thereof to solve the problems of insufficient contact, loose connection and poor stability in the prior art.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The present invention provides a connector assembly, including a hardware base, one end of the hardware base is transversely penetrated by a wire insertion groove, a female connector and a wire crimping piece are detachably connected to the hardware base, a wire crimping portion is provided at the bottom end of the female connector, the wire crimping portion protrudes from the outer wall of the hardware base into the wire insertion groove, the bottom end of the wire crimping piece protrudes from the outer wall of the hardware base into the wire insertion groove, an arc-shaped protrusion is provided at the bottom end of the wire crimping portion, and a mounting hole is provided at the other end of the hardware base.

[0006] Wherein, a horizontal abutment ring portion is provided on the outer edge of the arc-shaped convex point, and the horizontal abutment ring portion is integrally formed with the arc-shaped convex point.

[0007] Among them, the female connector includes a female body, a female terminal and an insulating shell, the outer wall of the female body is provided with an annular groove, a positioning ring is installed in the annular groove, the female terminal is installed in the middle part of the female body, the insulating shell is sleeved on the outer periphery of the female body, the inner wall of the insulating shell is provided with a positioning boss that cooperates and abuts with the positioning ring, and the inner wall of the female body is sequentially sleeved with at least two crown springs along its length direction.

[0008] Wherein, the wire pressing part is installed at the bottom of the female end body, and the wire pressing part and the female end body are integrally formed.

[0009] Wherein, the positioning ring is provided with a fracture.

[0010] Among them, a limiting part is convexly provided on the outer periphery of the connection between the wire pressing part and the female terminal, the outer wall of the wire pressing part is threadedly connected with a limiting nut, the outer wall of the wire pressing part is provided with a first external thread, and the outer wall of the wire pressing part is also movably provided with an anti-loosening washer and a horizontal washer, the horizontal washer is located below the anti-loosening washer, and the anti-loosening washer is located below the limiting nut.

[0011] Among them, the female connector also includes a dustproof part, which includes a ring, a connecting belt and a dustproof cover. The dustproof cover is installed on the top of the female connector. A sealing rubber ring is arranged on the outer periphery of the dustproof cover, and the ring is sleeved on the outer periphery of the insulating shell.

[0012] The wire pressing member comprises a first screw head, a second screw head, a threaded portion and a wire pressing gasket connected in sequence from top to bottom, the outer wall of the threaded portion is provided with a second external thread, the first screw head is connected to the second screw head through a twist-off shaft, and the outer periphery of the twist-off shaft is sleeved with a gear rubber ring; a connecting shaft is provided at the bottom center of the threaded portion, an axial hole for the connecting shaft to extend into is provided through the center of the wire pressing gasket, a twist-off thin sheet is connected in the axial hole, and the lower end surface of the connecting shaft is connected to the upper end surface of the twist-off thin sheet;

[0013] The lower end surface of the wire pressing gasket is provided with a plurality of straight strip-shaped guiding grooves at equal intervals.

[0014] Among them, at least two connecting holes are arranged on the hardware base, the connecting holes are communicated with the wire insertion slot, and internal threads are arranged in the connecting holes.

[0015] The present invention also provides an electrical application system, comprising an input end and an output end, wherein the output end is connected to a male connector, and the input end is connected to the connector assembly. The male connector cooperates with the female connector for plugging and unplugging. When the male connector is plugged and unplugged with the female connector, the input end is connected or disconnected from the output end.

[0016] Beneficial effects of the present invention:

[0017] When the present invention is in use, the wire or cable copper wire is inserted into the wire insertion slot, and the wire pressing part of the female connector protrudes from the outer wall of the hardware base into the wire insertion slot, and the arc-shaped convex point at the bottom of the wire pressing part presses the wire or cable copper wire in the wire insertion slot. The arc-shaped surface of the arc-shaped convex point can increase the contact area between the female connector and the wire or cable copper wire, and also can avoid scratching the wire or cable copper wire. The structure is reliable and stable, and the safety of use is strong. Furthermore, the wire pressing piece protrudes from the outer wall of the hardware base into the wire insertion slot to press the wire or cable copper wire, so as to prevent the wire or cable copper wire in the wire insertion slot from loosening, and the connection is reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a connector assembly of the present invention.

[0019] Figure 2 The figure is a structural exploded view of a connector assembly of the present invention.

[0020] Figure 3 It is a schematic structural diagram of the hardware base of the present invention.

[0021] Figure 4 This is a structural exploded view of a connector assembly from another perspective of the present invention.

[0022] Figure 5 It is a schematic structural diagram of the female connector and the wire crimping part of the present invention.

[0023] Figure 6 It is a schematic diagram of the structure of the wire pressing member of the present invention after the gear position rubber ring is hidden.

[0024] Figure 7 It is a schematic structural diagram of the wire pressing member of the present invention.

[0025] Figure 8 It is a schematic structural diagram of the insulating shell of the present invention.

[0026] Fig. 9 It is a schematic structural diagram of the positioning ring of the present invention.

[0027] Fig.10 It is a structural schematic diagram of an electrical application system of the present invention.

[0028] exist Figures 1 to 10 Reference numerals in the drawings include:

[0029] 1—Fixture base 2—Wire slot 3—Female connector

[0030] 4—wire pressing piece 5—wire pressing part 6—arc-shaped convex point

[0031] 7—Mounting hole 8—Horizontal abutment ring 9—Female end body

[0032] 10—female terminal 11—insulating housing 12—annular slot

[0033] 13—Location ring 14—Location boss 15—Crown spring

[0034] 16—fracture 17—limiting part 18—limiting nut

[0035] 19—first external thread 20—locking washer 21—horizontal washer

[0036] 22—Ring 23—Connecting belt 24—Dust cover

[0037] 25 - first screw head 26 - second screw head 27 - threaded part

[0038] 28—wire pressing washer 29—second external thread 30—twist off the shaft

[0039] 31 - gear rubber ring 32 - connecting shaft 33 - shaft hole

[0040] 34—twist off the thin sheet 35—straight guide groove 36—limiting bottom sheet

[0041] 37 - connection hole 38 - male connector 39 - recess. DETAILED DESCRIPTION

[0042] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with the embodiments and drawings, and the contents mentioned in the embodiments are not intended to limit the present invention. The present invention is described in detail below in conjunction with the drawings.

[0043] A connector assembly, such as Figures 1 to 9 As shown, it includes a hardware base 1, one end of which is laterally penetrated by a wire insertion slot 2, a female connector 3 and a wire crimping piece 4 are detachably connected to the hardware base 1, a wire crimping portion 5 is provided at the bottom end of the female connector 3, the wire crimping portion 5 protrudes from the outer wall of the hardware base 1 into the wire insertion slot 2, the bottom end of the wire crimping piece 4 protrudes from the outer wall of the hardware base 1 into the wire insertion slot 2, an arc-shaped protrusion 6 is provided at the bottom end of the wire crimping portion 5, and the other end of the hardware base 1 is provided with a mounting hole 7. Specifically, when the embodiment of the present invention is used, the wire or cable copper wire is inserted into the wire trough 2, and the wire pressing part 5 of the female connector 3 protrudes from the outer wall of the hardware base 1 into the wire trough 2, and the arc-shaped protrusion 6 at the bottom of the wire pressing part 5 presses the wire or cable copper wire in the wire trough 2. The arc-shaped surface of the arc-shaped protrusion 6 can increase the contact area between the female connector 3 and the wire or cable copper wire, and at the same time, it can also avoid scratching the wire or cable copper wire. The structure is reliable, stable, and safe to use. Furthermore, the wire pressing piece 4 protrudes from the outer wall of the hardware base 1 into the wire trough 2 to press the wire or cable copper wire to prevent the wire or cable copper wire in the wire trough 2 from loosening. The connection is reliable, and the setting of the mounting hole 7 facilitates the installation of the hardware base 1 in an electrical application system, such as an electrical cabinet, a quick-access electrical box, etc., by bolts.

[0044] In a connector assembly described in this embodiment, the outer edge of the arc-shaped protrusion 6 is provided with a horizontal abutment ring portion 8, and the horizontal abutment ring portion 8 is integrally formed with the arc-shaped protrusion 6. Specifically, the arc-shaped surface of the arc-shaped protrusion 6 is used to increase the contact area between the female connector 3 and the copper wire of the wire or cable, and with the structure of the horizontal abutment ring portion 8, when the arc-shaped protrusion 6 presses against the copper wire of the wire or cable, the copper wire will be bent, and with the horizontal abutment ring portion 8, the copper wire of the wire or cable can be flattened, preventing the arc-shaped surface of the arc-shaped protrusion 6 from causing the copper wire of the wire or cable to tilt or bend excessively, thereby ensuring that the structure pressing against the copper wire of the wire or cable is stable and reliable; preferably, the arc-shaped protrusion 6 is a hemispherical protrusion.

[0045] Among them, the inner wall of the wiring trough 2 is recessed to form a plurality of recessed pits 39. The setting of the recessed pits 39 is beneficial to the heat dissipation of the wires or copper cables on the one hand, and can provide a certain amount of recessed space on the other hand to prevent the wires or copper cables in the wiring trough 2 from being overly full and compressed, and the structure is reliable.

[0046] A connector assembly described in this embodiment, the female connector 3 includes a female body 9, a female terminal 10 and an insulating shell 11, the outer wall of the female body 9 is provided with an annular groove 12, a positioning ring 13 is installed in the annular groove 12, the female terminal 10 is installed in the middle part of the female body 9, the insulating shell 11 is sleeved on the outer periphery of the female body 9, the inner wall of the insulating shell 11 is provided with a positioning boss 14 that cooperates and abuts with the positioning ring 13, and the inner wall of the female body 9 is sequentially sleeved with at least two crown springs 15 along its length direction. Specifically, when assembling the female connector 3 set above, the positioning ring 13 is first buckled into the annular groove 12, and then the insulating shell 11 is sleeved on the outer periphery of the female body 9, and the positioning boss 14 and the positioning ring 13 are cooperated and abutted against each other to prevent the insulating shell 11 from falling off. The structure is reliable, wherein the inner wall of the female body 9 is sequentially sleeved with at least two crown springs 15 along its length direction, which is convenient for mating with the male connector 38 and improving the reliability and stability of its contact.

[0047] In the connector assembly described in this embodiment, the wire pressing part 5 is installed at the bottom of the female end body 9, and the wire pressing part 5 is integrally formed with the female end body 9. Specifically, the above arrangement can improve the structural strength of the female end body 9 and the wire pressing part 5, and the wire pressing part 5 and the female end body 9 of the integrally formed structure are more stable and convenient to produce.

[0048] In the connector assembly described in this embodiment, the positioning ring 13 is provided with a break 16. Specifically, the positioning ring 13 can be made of a plastic material with a certain deformation recovery ability. The setting of the break 16 facilitates the opening and closing of the positioning ring 13, facilitates the installation of the positioning ring 13 in the annular groove 12, and facilitates the disassembly and assembly of the positioning ring 13, that is, facilitates the assembly, disassembly and replacement of the positioning ring 13, can be operated manually, and is simple to use.

[0049] Preferably, the cross section of the positioning ring 13 is in the shape of an isosceles trapezoid. Specifically, when the insulating housing 11 is inserted from the top of the female end body 9 and sleeved on the outer periphery of the female end body 9, the positioning ring 13 designed in this way uses the inclined surface of the isosceles trapezoidal positioning ring 13 to facilitate the sliding of the insulating housing 11, and uses the bottom edge of the isosceles trapezoidal shape to abut against the positioning boss 14, and supports the positioning boss 14 to prevent the insulating housing 11 from falling off; of course, the cross section of the positioning ring 13 can also be rectangular.

[0050] In the connector assembly described in the present embodiment, a limiting portion 17 is convexly provided at the outer periphery of the connection between the wire pressing portion 5 and the female terminal 10, the outer wall of the wire pressing portion 5 is threadedly connected with a limiting nut 18, the outer wall of the wire pressing portion 5 is provided with a first external thread 19, and the outer wall of the wire pressing portion 5 is also movably sleeved with an anti-loosening washer 20 and a horizontal washer 21, the horizontal washer 21 is located below the anti-loosening washer 20, and the anti-loosening washer 20 is located below the limiting nut 18. Specifically, the horizontal washer 21 can abut against the outer wall surface of the hardware base 1 to prevent the anti-loosening washer 20 from scratching the hardware base 1, and then when the limiting nut 18 is screwed on, the anti-loosening washer 20 is pressed so that the anti-loosening washer 20 abuts against the horizontal washer 21, and when the female connector 3 is mounted on the hardware base 1, the limiting nut 18 can fix the female connector 3.

[0051] In a connector assembly described in this embodiment, the female connector 3 further includes a dustproof part, which includes a collar 22, a connecting belt 23 and a dustproof cover 24. The dustproof cover 24 is mounted on the top of the female connector 3. A sealing rubber ring is arranged on the periphery of the dustproof cover 24. The collar 22 is sleeved on the periphery of the insulating shell 11. Specifically, the collar 22 is sleeved on the periphery of the insulating shell 11, and the connecting belt 23 can be a plastic belt or an elastic belt with deformation ability. The dustproof cover 24 is installed on the top of the female connector 3 to seal the space between the female body 9, the female terminal 10 and the insulating shell 11, thereby achieving a dustproof effect, ensuring structural stability and safety and reliability in use. In addition, the provision of the sealing rubber ring further achieves dustproof and waterproof effects, and the structure is reliable.

[0052] A connector assembly described in this embodiment, the wire pressing member 4 includes a first screw head 25, a second screw head 26, a threaded portion 27 and a wire pressing gasket 28 connected in sequence from top to bottom, the outer wall of the threaded portion 27 is provided with a second external thread 29, the first screw head 25 is connected to the second screw head 26 through a twist-off shaft 30, and the outer periphery of the twist-off shaft 30 is sleeved with a gear rubber ring 31; a connecting shaft 32 is provided at the bottom center of the threaded portion 27, and an axial hole 33 for the connecting shaft 32 to extend into is provided through the center of the wire pressing gasket 28, a twist-off thin sheet 34 is connected in the axial hole 33, and the lower end face of the connecting shaft 32 is connected to the upper end face of the twist-off thin sheet 34; a plurality of straight strip-shaped guiding grooves 35 are provided at equal intervals on the lower end face of the wire pressing gasket 28. Specifically, the wire pressing piece 4 is screwed together so that the wire pressing piece 4 is fixed on the hardware base 1, and the wire pressing piece 4 is pressed together so that the wire pressing gasket 28 at the bottom of the wire pressing piece 4 presses against the wire or cable copper wire in the wire plug slot 2. When the wire pressing piece 4 is screwed together and the wire pressing gasket 28 presses against the wire or cable copper wire in the wire plug slot 2, the connecting shaft 32 squeezes through the twist-off thin sheet 34, and a limiting bottom sheet 36 is provided at the bottom of the shaft hole 33 to prevent the connecting shaft 32 from passing through the shaft hole 33, so that the wire pressing gasket 28 after squeezing through the twist-off thin sheet 34 has an active adjustment effect, and the wire pressing When the wire pressing piece 4 is pressed on the copper wire of the wire or cable, the wire pressing gasket 28 will be adjusted according to the height of the wire or cable copper wire, and will not over-press the wire or cable copper wire, wherein there is a small movable gap between the shaft hole 33 and the connecting shaft 32; when tightening the wire pressing piece 4, the first screw head 25 will be screwed in first, until the wire pressing piece 4 is completely locked on the hardware base 1, under the action of the gear rubber ring 31, the first screw head 25 will be twisted off to ensure that the wire pressing piece 4 is completely locked; wherein, the straight strip-shaped guiding groove 35 is conducive to guiding the copper wire of the wire or cable.

[0053] In a connector assembly described in this embodiment, at least two connection holes 37 are provided on the hardware base 1, the connection holes 37 are connected to the wire slot 2, and internal threads are provided in the connection holes 37. Specifically, the internal threads of the connection holes 37 are threadedly connected with the first external threads 19 of the wire pressing part 5 and the second external threads 29 of the threaded part 27. Preferably, three connection holes 37 are provided, and the positions of the female connector 3 and the wire pressing part 4 on each hardware base 1 can be adjusted as needed to avoid contact between the female connectors 3 on adjacent hardware bases 1. Preferably, the female connectors 3 on two adjacent hardware bases 1 are staggered to ensure the isolation effect between the female connectors 3.

[0054] An electrical application system, such as Fig.10As shown, it includes an input end and an output end, the output end is connected to a male connector 38, the input end is connected to the connector assembly, the male connector 38 cooperates with the female connector 3 for plugging and unplugging, and when the male connector 38 is plugged and unplugged with the female connector 3, the input end is connected or disconnected with the output end; wherein, the positions of the input end and the output end can be interchanged, and are not specifically limited. Specifically, the input end and the output end are connected and unplugged quickly through the female connector 3 and the male connector 38, thereby realizing quick connection or disconnection, which is convenient to use; in addition, the connector assembly arranged between the input end and the output end can be provided with multiple and arranged in a row, which is convenient for different wiring arrangements and has strong flexibility in use; wherein, the electrical application system includes but is not limited to low-voltage cabinet systems, quick electrical access boxes, quick distribution boxes, switch cabinets and other electrical equipment that are quickly plugged and unplugged, and in addition, the quick plug-in charging of the power generation vehicle is also applicable to this system.

[0055] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention is disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent changes and modifications made to the above embodiments according to the technology of the present invention are within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.

Claims

1. A connector assembly, characterized in that: It comprises a hardware base (1), one end of which is provided with a wire insertion slot (2) extending transversely therethrough, a female connector (3) and a wire pressing piece (4) being detachably connected to the hardware base (1), a wire pressing portion (5) being provided at the bottom end of the female connector (3), the wire pressing portion (5) protruding from the outer wall of the hardware base (1) into the wire insertion slot (2), the bottom end of the wire pressing piece (4) protruding from the outer wall of the hardware base (1) into the wire insertion slot (2), the bottom end of the wire pressing portion (5) being provided with an arc-shaped protrusion (6), and the other end of the hardware base (1) being provided with a mounting hole (7); The female connector (3) comprises a female body (9), a female terminal (10) and an insulating shell (11); the outer wall of the female body (9) is provided with an annular groove (12), a positioning ring (13) is arranged in the annular groove (12), the female terminal (10) is arranged in the middle of the female body (9), the insulating shell (11) is sleeved on the outer circumference of the female body (9), the inner wall of the insulating shell (11) is provided with a positioning boss (14) which cooperates and abuts with the positioning ring (13), and the inner wall of the female body (9) is sleeved with at least two crown springs (15) in sequence along its length direction; At least two connection holes (37) are provided on the hardware base (1), the connection holes (37) are in communication with the wire insertion slot (2), and internal threads are provided in the connection holes (37).

2. A connector assembly according to claim 1, characterized in that: The outer edge of the arc-shaped convex point (6) is provided with a horizontal abutment ring portion (8), and the horizontal abutment ring portion (8) and the arc-shaped convex point (6) are integrally formed.

3. A connector assembly according to claim 1, characterized in that: The wire pressing portion (5) is mounted on the bottom of the female end body (9), and the wire pressing portion (5) and the female end body (9) are integrally formed.

4. A connector assembly according to claim 1, characterized in that: The positioning ring (13) is provided with a fracture (16).

5. A connector assembly according to claim 1, characterized in that: A limiting portion (17) is convexly provided on the outer periphery of the connection between the wire pressing portion (5) and the female terminal (10); the outer wall of the wire pressing portion (5) is threadedly connected to a limiting nut (18); the outer wall of the wire pressing portion (5) is provided with a first external thread (19); the outer wall of the wire pressing portion (5) is also movably sleeved with an anti-loosening washer (20) and a horizontal washer (21); the horizontal washer (21) is located below the anti-loosening washer (20); and the anti-loosening washer (20) is located below the limiting nut (18).

6. A connector assembly according to claim 1, characterized in that: The female connector (3) further comprises a dustproof part, which comprises a collar (22), a connecting belt (23) and a dustproof cover (24). The dustproof cover (24) is mounted on the top of the female connector (3). A sealing rubber ring is arranged on the outer periphery of the dustproof cover (24). The collar (22) is sleeved on the outer periphery of the insulating housing (11).

7. A connector assembly according to claim 1, characterized in that: The wire pressing member (4) comprises a first screw head (25), a second screw head (26), a threaded portion (27) and a wire pressing gasket (28) which are connected in sequence from top to bottom; the outer wall of the threaded portion (27) is provided with a second external thread (29); the first screw head (25) is connected to the second screw head (26) via a twist-off shaft (30); the outer periphery of the twist-off shaft (30) is sleeved with a gear rubber ring (31); a connecting shaft (32) is provided at the bottom center of the threaded portion (27); an axial hole (33) for the connecting shaft (32) to extend into is provided through the center of the wire pressing gasket (28); a twist-off thin sheet (34) is connected to the inside of the axial hole (33); the lower end surface of the connecting shaft (32) is connected to the upper end surface of the twist-off thin sheet (34); The lower end surface of the wire pressing gasket (28) is provided with a plurality of straight strip-shaped guiding grooves (35) at equal intervals.

8. An electrical application system, characterized in that: The invention comprises an input end and an output end, wherein the output end is connected to a male connector (38), and the input end is connected to a connector assembly according to any one of claims 1 to 7, wherein the male connector (38) cooperates with the female connector (3) for plugging and unplugging, and when the male connector (38) is plugged and unplugged with the female connector (3), the input end is connected or disconnected from the output end.

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