Novel high-voltage connector

Abstract

The utility model relates to the technical field of novel high-voltage connectors, in particular to a novel high-voltage connector, which comprises a plug and a socket matched with the plug, a handle is rotatably connected outside a plug shell, a plug front cover is mounted at the front part of the plug shell, and a plug shielding shell, a plug inner shell and a male terminal are sequentially arranged inside the plug shell from outside to inside; the tail end of the male terminal is connected with the wire harness and is fixed at the tail part of the plug shell through the tail cover, and the front end is clamped in the socket; the socket housing is plugged on the plug front cover, a socket shielding shell and female terminals are arranged in the socket housing from outside to inside, and a group of male terminals are plugged in the middle of each group of female terminals; a folding bag is arranged in the middle of the socket shielding shell, each group of female terminals is made of a group of integrally formed elastic sheets, the top of each group of female terminals is provided with mutually staggered contacts formed by tearing, the top of each male terminal is provided with a terminal groove, and the middle of each male terminal is provided with a male terminal boss formed by bending. The connector is better in shielding effect, and cost and assembly time are reduced after parts are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of novel high-voltage connectors, in particular to a novel high-voltage connector. Background Art

[0002] Existing shielding cases often use shielding structures that, when mated, leave a large area uncovered in the middle, resulting in significant shield leakage. Other shielding structures require additional components to cover the gaps, resulting in a high number of parts and high cost. Common female terminals have numerous components, a complex structure, and high cost. Common male terminals have a flat surface without grooves or bosses for retaining, making them prone to loosening when inserted into a plug. Utility Model Content

[0003] In order to overcome the existing deficiencies, the utility model provides a novel high-voltage connector.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a new type of high-voltage connector, including a plug and a socket matched with the plug, the plug including a handle, a plug shell, a plug front cover, a plug shielding shell, a plug inner shell, a male terminal and a tail cover; the plug shell is rotated to connect the handle on the outside, and the front part is equipped with a plug shielding shell, a plug inner shell and two groups of male terminals in sequence from the outside to the inside; the tail end of the male terminal is connected to the wiring harness and is fixed to the tail end of the plug shell through the tail cover, and the front end is clamped in the socket; the socket includes a socket shielding shell, a socket shell and female terminals; the socket shell is plugged into the plug front cover, and two groups of socket shielding shells and two groups of female terminals are provided inside from the outside to the inside, and a group of male terminals is plugged in the middle of each group of female terminals; the socket shielding shell is provided with two groups, and each group is provided with an overlapped package in the middle; each group of female terminals is a whole piece of copper plate folded into two layers of socket copper bar pins, and the middle copper bar is provided with barbs on both sides, The outer side of the upper part is supported by two steel sleeves, and the top is provided with contacts that are staggered by tearing, and the steel sleeves are fixed by rivets; the top of the male terminal is provided with a terminal groove, and the middle is provided with a male terminal boss formed by bending.

[0005] According to another embodiment of the present utility model, it further includes that the handle is rotatably connected to the plug housing, and a locking part is installed in the middle, including two groups of rotating arms and a connecting plate connecting the two groups of rotating arms; the rotating arm is provided with a handle button and a handle ear near the connecting plate, and a round hole and a handle track are provided at the front end away from the connecting plate; a locking groove is provided in the middle of the connecting plate, and several groups of handle bosses are provided on the inner wall of the locking groove, and a handle groove and a handle through hole are provided in the middle.

[0006] According to another embodiment of the present invention, it further includes: a handle hanging ear integrally connected to the bottom of the handle button, and an arc-shaped handle track below the circular hole; a locking member is provided in the locking groove, and the locking member includes a locking cantilever, a locking buckle and a locking end face, the locking cantilever cooperates with the handle boss, the locking buckle is embedded in the handle groove, and the locking end face is buckled against the plug shell.

[0007] According to another embodiment of the present invention, it further includes that a cylinder and a shell buckle are provided on both sides of the plug shell, and a shell buckle and a shell protrusion are provided on the top; a circular hole on the cylinder is rotatably connected to the handle, the shell buckle matches the hanging ear of the handle, the shell buckle is buckled with the locking end face of the buckling locking piece, and the shell protrusion passes through the handle through hole in the middle of the locking groove.

[0008] According to another embodiment of the present utility model, the plug shielding shell is further provided with two groups, each group has one spring sheet group at the middle front end, two spring sheet groups are provided in the middle of both sides, one bent spring sheet group is provided on both sides of the bottom, and two bent spring sheet groups are provided around the tail end; the spring sheet group one and the spring sheet group two cooperate with the block on the inner wall of the plug shell, the bent spring sheet group one is plugged into the socket shielding shell, the bent spring sheet group two is matched with the inner shell of the plug, and the tail end is buckled in the outer shielding ring of the plug.

[0009] According to another embodiment of the present invention, it further includes that the tail end of the outer shielding ring of the plug is provided with an inner shielding outer of the plug, and the tail end is buckled on the baffle, and the other side of the baffle is provided with a wire harness sealing ring, and the other side surface of the wire harness sealing ring is provided with a plurality of groups of convex bumps, and the convex bumps match the card holes of the wire card and are fixed in the tail cover through the wire card; the tail cover is clamped on the tail of the plug shell.

[0010] According to another embodiment of the present invention, the terminal groove of the male terminal is fixed with the terminal buckle, and the terminal buckle is fixed inside the inner shell of the plug through the barb; the boss of the male terminal is fixed with the inner shell cantilever of the inner shell of the plug.

[0011] According to another embodiment of the present utility model, it further includes: a plug sealing ring is provided between the socket shell and the plug front cover, a socket shielding shell is provided between the plug front cover and the plug, the socket shielding shell is inserted into the socket shell, passes through the bottom of the socket shell and is connected by overlapping; the socket shell, the plug front cover, and the socket shielding shell are connected with a socket interlocking shell in the middle, the top of the socket interlocking shell is connected by an interlocking male terminal, and a socket interlocking female terminal is fixed inside; and bushings are provided in the through holes around the socket shell.

[0012] The beneficial effects of the utility model are better shielding effect, reduced parts, reduced cost and assembly time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 This is an exploded view of the plug;

[0016] Figure 3 This is an exploded view of the socket;

[0017] Figure 4 This is a cross-sectional view of the utility model Figure 1 ;

[0018] Figure 5 This is a cross-sectional view of the utility model Figure 2 ;

[0019] Figure 6 This is a cross-sectional view of the utility model Figure 3 ;

[0020] Figure 7 It is a structural diagram of the handle;

[0021] Figure 8 It is a cross-sectional view of the assembly of the locking member, handle, and plug housing;

[0022] Figure 9 It is a structural diagram of the female terminal;

[0023] Figure 10 It is a structural diagram of the male terminal;

[0024] Figure 11 It is a structural diagram of the shielding shell.

[0025] In the figure, 1. handle, 1-1. rotating arm, 1-1-1. handle button, 1-1-2. handle ear, 1-1-3. round hole, 1-1-4. handle track, 1-2. connecting plate, 1-2-1. locking slot, 1-2-2. handle boss, 1-2-3. handle groove, 1-2-4. handle through hole, 2. plug shell, 2-1. cylinder, 2-2. shell buckle, 2-3. shell snap ring, 2-4. shell protrusion, 3. plug front cover, 4. plug shielding shell, 4-1. spring group 1, 4-2. spring group 2, 4-3. bent spring group 1, 4-4. bent spring group 2, 5. plug inner shell, 5-1. inner shell cantilever, 6. male terminal, 6- 1. Terminal groove, 6-2. Male terminal boss, 7. Tail cover, 8. Socket shield shell, 8-1. Overlap, 9. Socket shell, 10. Female terminal, 10-1. Barb, 10-2. Steel sleeve, 10-3. Rivet, 10-4. Electric shock, 11. Locking piece, 11-1. Locking cantilever, 11-2. Locking buckle, 11-3. Locking end face, 12. Plug outer shield ring, 13. Plug inner shield ring, 14. Baffle, 15. Wire harness sealing ring, 15-1. Protrusion, 16. Wire clip, 16-1. Card hole, 17. Terminal buckle, 18. Plug sealing ring, 19. Socket interlocking shell, 20. Interlocking male terminal, 21. Interlocking female terminal, 22. Bushing. DETAILED DESCRIPTION

[0026] like Figure 1 This is a schematic diagram of the structure of the utility model, a new type of high-voltage connector, including a plug and a socket that matches the plug. The plug includes a handle 1, a plug shell 2, a plug front cover 3, a plug shielding shell 4, a plug inner shell 5, a male terminal 6 and a tail cover 7; the plug shell 2 is rotated to connect the handle 1 on the outside, and the plug front cover 3 is installed on the front. The inside is sequentially provided with a plug shielding shell 4, a plug inner shell 5 and two sets of male terminals 6 from the outside to the inside; the tail end of the male terminal 6 is connected to the wiring harness and fixed to the tail of the plug shell 2 through the tail cover 7. The front end is snapped into the socket; the socket includes a socket shielding shell 8, a socket shell 9 and female terminals 10; the socket shell 9 is inserted into the front cover 3 of the plug, and two groups of socket shielding shells 8 and two groups of female terminals 10 are provided inside from the outside to the inside, and a group of male terminals 6 is inserted in the middle of each group of female terminals 10; its characteristic is that the socket shielding shell 8 is provided with two groups, and an overlapped package 8-1 is provided in the middle of each group; each group of female terminals 10 is a whole copper plate folded into two layers of socket copper bar pins, with barbs 10-1 on both sides of the middle copper bar, and the upper outer side is supported by two steel sleeves 10-2, and the top is provided with contacts 10-4 that are staggered by tearing, and the steel sleeves 10-2 are fixed by rivets 10-3; the top of the male terminal 6 is provided with a terminal groove 6-1, and the middle is provided with a male terminal boss 6-2 formed by bending.

[0027] Specifically, the female terminal 10 is a whole piece of copper plate folded into two layers of socket copper bar pins, which conduct current. There are barbs 10-1 on both sides of the copper bar pins to provide retention between the copper bar pins and the socket shell 9. The outside is supported by two steel sleeves 10-2, and the steel sleeves 10-2 are fixed by rivets 10-3. The head of the female terminal 10 is bent and formed as one piece by a mold, using a tearing process. The spring pieces on the same side are torn to achieve staggered contacts 10-4 without gaps. Other products are achieved by adding parts. Compared with other products, the female terminal 10 of this patent is formed as one piece, reducing parts, reducing costs, and reducing impedance.

[0028] According to another embodiment of the present invention, the handle 1 is rotatably connected to the plug housing 2, with a locking member 11 installed in the middle, including two groups of rotating arms 1-1 and a connecting plate 1-2 connecting the two groups of rotating arms 1-1; the rotating arm 1-1 is provided with a handle button 1-1-1 and a handle ear 1-1-2 near the connecting plate 1-2, and a round hole 1-1-3 and a handle rail 1-1-4 are provided at the front end away from the connecting plate 1-2; a locking groove 1-2-1 is provided in the middle of the connecting plate 1-2, and a plurality of handle bosses 1-2-2 are provided on the inner wall of the locking groove 1-2-1, and a handle groove 1-2-3 and a handle through hole 1-2-4 are provided in the middle.

[0029] According to another embodiment of the present invention, it further includes: a handle ear 1-1-2 is integrally connected to the bottom of the handle button 1-1-1, and an arc-shaped handle track 1-1-4 is provided below the circular hole 1-1-3; a locking member 11 is provided in the locking groove 1-2-1, and the locking member 11 includes a locking cantilever 11-1, a locking buckle 11-2 and a locking end face 11-3, the locking cantilever 11-1 cooperates with the handle boss 1-2-2, the locking buckle 11-2 is embedded in the handle groove 1-2-3, and the locking end face 11-3 is buckled on the plug housing 2.

[0030] According to another embodiment of the present invention, it further includes that the plug shell 2 is provided with a cylinder 2-1 and a shell buckle 2-2 on both sides, and a shell snap ring 2-3 and a shell protrusion 2-4 on the top; the cylinder 2-1 is rotatably connected to the round hole 1-1-3 of the handle 1, the shell snap 2-2 matches the hanging ear of the handle 1, the shell snap ring 2-3 is buckled with the locking end face 11-3 of the buckling locking member 11, and the shell protrusion 2-4 passes through the handle through hole 1-2-4 in the middle of the locking groove 1-2-1.

[0031] Specifically, the handle 1 cooperates with the cylinder 2-1 of the plug housing 2 through the circular hole 1-1-3, and the handle 1 rotates with the cylinder 2-1 as the axis. The handle track 1-1-4 cooperates with the cylinder 2-1, and the handle 1 is rotated to connect the plug and the socket together. The plug-in and pull-out force of the plug and the socket is reduced by rotation. The inner side of the handle track 1-1-4 can be stuck in the cylinder 2-1 of the socket housing 2, which can save space and simplify the product structure. The one-time lock structure of this patent is to rotate the handle 1 until it stops, and the handle ear 1-1-2 is stuck in the shell buckle 2-2 of the plug housing 2. At this time, it is necessary to press the handle ear 1- The handle button 1-1-1 on 1-2 is used to unlock the socket; the secondary locking structure cooperates with the locking member 11, and the locking member 11 is used to lock the socket housing 2 and the handle 1. The locking member 11 is CPA, and the locking cantilever 11-1 cooperates with the handle boss 1-2-2 to realize the pushed-in state that is pre-installed before pushing in. Before the locking member 11 is pushed in, the locking end face 11-3 presses against the shell retaining ring 2-3 of the plug housing 2 and cannot be pushed. The handle 1 is fully assembled in place, and the shell protrusion 2-4 of the plug housing 2 pushes the locking buckle 11-2. After the locking member 11 is pushed in, the locking buckle 11-2 is embedded in the handle groove 1-2-3 to complete the secondary locking action.

[0032] According to another embodiment of the present invention, the plug shielding shell 4 is further provided with two groups, each group has a middle front end spring group 1 4-1, a spring group 2 4-2 is provided in the middle of both sides, a bent spring group 1 4-3 is provided on both sides of the bottom, and a bent spring group 2 4-4 is provided around the tail end; the spring group 1 4-1 and the spring group 2 4-2 cooperate with the block on the inner wall of the plug shell 2, the bent spring group 1 4-3 is plugged into the socket shielding shell 8, the bent spring group 2 4-4 matches the plug inner shell 5, and the tail end is buckled in the outer shielding ring 12 of the plug.

[0033] Specifically, in the plug shielding shell 4, the spring group 1 4-1 and the spring group 2 4-2 cooperate with the block on the inner wall of the plug shell 2 to prevent the plug shielding shell 4 from exiting the plug shell 2; the bent spring group 1 4-3 is in contact with the socket shielding shell 8, and the connector shielding and the wiring harness shielding form a complete electromagnetic shielding; the bent spring group 2 4-4 matches the plug inner shell 5 to prevent the plug shielding shell 4 from exiting the plug inner shell 5.

[0034] According to another embodiment of the present invention, the plug outer shielding ring 12 further includes a plug inner shielding 13 provided inside the tail end thereof, the tail end of which is buckled on the baffle 14, a wiring harness sealing ring 15 is provided on the other side of the baffle 14, and a plurality of groups of convex bumps 15-1 are provided on the surface of the other side of the wiring harness sealing ring 15, the convex bumps 15-1 match the card holes 16-1 of the wire card 16, and are fixed in the tail cover 7 through the wire card 16; the tail cover 7 is clamped on the tail of the plug shell 2.

[0035] Specifically, in order to prevent the wiring harness from shaking and affecting the waterproofness of the wiring harness sealing ring 14, the toothed structure of the wire clip 16 can increase the pulling force of the cable from the connector. The bulge 15-1 matches the card hole 16-1 of the wire clip 16 to reduce the movement of the wiring harness sealing ring 15. The baffle 14 can press against the outer shielding ring 12 of the plug to further increase the pulling force of the cable from the connector.

[0036] According to another embodiment of the present invention, the terminal groove 6-1 of the male terminal 6 is fixed with the terminal clip 17, and the terminal clip 17 is fixed inside the plug inner shell 5 by barbs; the boss of the male terminal 6 is fixed with the inner shell cantilever 5-1 of the plug inner shell 5.

[0037] Specifically, the male terminal 5 of the plug is fixed by the groove 6-1 and the terminal buckle 17, and by the cantilevered fit of the boss 6-2 and the plug inner shell 5-1; through these two fixing methods, the male terminal is fixed in the plug inner shell 5.

[0038] According to another embodiment of the present utility model, it further includes: a plug sealing ring 18 is provided between the socket shell 9 and the plug front cover 3, a socket shielding shell 8 is provided between the plug front cover 3 and the plug, the socket shielding shell 8 is inserted into the socket shell 9, passes through the bottom of the socket shell 9 and is connected by the overlap 8-1; a socket interlocking shell 19 is inserted between the socket shell 9, the plug front cover 3, and the socket shielding shell 8, the top of the socket interlocking shell 19 is connected by an interlocking male terminal 20, and a socket interlocking female terminal 21 is fixed inside; a bushing 22 is provided in the through holes around the socket shell 9.

[0039] Specifically, the socket housing 9 is matched with different plugs by adjusting the left and right translation position of the internal plug-in; the interlocking male terminal 20 is fixed to the plug front cover 3 by barbs; and the socket interlocking female terminal 21 is fixed to the interlocking housing 19 by spring clips.

[0040] The above description is only illustrative and not restrictive of the present invention. Those skilled in the art will understand that many modifications, changes or equivalents may be made without departing from the spirit and scope defined by the appended claims, but all of them will fall within the scope of protection of the present invention.

Claims

1. A novel high-voltage connector, comprising a plug and a socket mated with the plug, the plug comprising a handle (1), a plug housing (2), a plug front cover (3), a plug shielding shell (4), a plug inner shell (5), a male terminal (6) and a tail cover (7); the plug housing (2) is externally rotatably connected to the handle (1), the front portion of which is provided with a plug front cover (3), the interior of which is provided with a plug shielding shell (4), a plug inner shell (5) and two groups of male terminals (6) in sequence from the outside to the inside; the tail end of the male terminal (6) is connected to a wiring harness and is fixed to the tail portion of the plug housing (2) through the tail cover (7), and the front end is clamped in the socket; the socket comprises a socket shielding shell (8), a socket housing (9) and female terminals (10); the socket housing (9) is plugged into the plug front cover (3), the interior of which is provided with two groups of socket shielding shells (8) and two groups of female terminals (10) from the outside to the inside, and a group of male terminals (6) is plugged into the middle of each group of female terminals (10); the feature is that, The socket shielding shell (8) is provided with two groups, and a lap (8-1) is provided in the middle of each group; the female terminal (10) in each group is a whole copper plate folded into two layers of socket copper bar pins, barbs (10-1) are provided on both sides of the middle copper bar, the upper outer side is supported by two steel sleeves (10-2), and contacts (10-4) are provided on the top that are staggered by tearing, and the steel sleeves (10-2) are fixed by rivets (10-3); the male terminal (6) is provided with a terminal groove (6-1) on the top, and a male terminal boss (6-2) is provided in the middle.

2. The new high-voltage connector according to claim 1 is characterized in that: The handle (1) is rotatably connected to the plug housing (2), with a locking member (11) installed in the middle, comprising two groups of rotating arms (1-1) and a connecting plate (1-2) connecting the two groups of rotating arms (1-1); the rotating arms (1-1) are provided with a handle button (1-1-1) and a handle hanging ear (1-1-2) near the connecting plate (1-2), and a round hole (1-1-3) and a handle track (1-1-4) at the front end away from the connecting plate (1-2); a locking groove (1-2-1) is provided in the middle of the connecting plate (1-2), and the inner wall of the locking groove (1-2-1) is provided with a plurality of groups of handle bosses (1-2-2), and a handle groove (1-2-3) and a handle through hole (1-2-4) are provided in the middle.

3. The new high-voltage connector according to claim 2 is characterized in that: The bottom of the handle button (1-1-1) is integrally connected to a handle hanging ear (1-1-2), and an arc-shaped handle track (1-1-4) is provided below the circular hole (1-1-3); a locking member (11) is provided in the locking groove (1-2-1), and the locking member (11) comprises a locking cantilever (11-1), a locking buckle (11-2) and a locking end face (11-3); the locking cantilever (11-1) cooperates with the handle boss (1-2-2), the locking buckle (11-2) is embedded in the handle groove (1-2-3), and the locking end face (11-3) is buckled on the plug housing (2).

4. The new high-voltage connector according to claim 1 is characterized in that: The plug housing (2) is provided with a cylinder (2-1) and a housing buckle (2-2) on both sides, and a housing buckle (2-3) and a housing protrusion (2-4) on the top; a circular hole (1-1-3) on the cylinder (2-1) is rotatably connected to the handle (1), the housing buckle (2-2) matches the hanging ear of the handle (1), the housing buckle (2-3) is buckled with the locking end face (11-3) of the buckling locking member (11), and the housing protrusion (2-4) passes through the handle through hole (1-2-4) in the middle of the locking groove (1-2-1).

5. The new high-voltage connector according to claim 1 is characterized in that: The plug shielding shell (4) is provided with two groups, each group having a front spring group (4-1) in the middle, a second spring group (4-2) in the middle of both sides, a bent spring group (4-3) on both sides of the bottom, and a second bent spring group (4-4) around the tail end; the first spring group (4-1) and the second spring group (4-2) are matched with the block on the inner wall of the plug shell (2), the first bent spring group (4-3) is plugged into the socket shielding shell (8), the second bent spring group (4-4) matches the inner shell (5) of the plug, and the tail end is buckled into the outer shielding ring (12) of the plug.

6. The novel high-voltage connector according to claim 5 is characterized in that: The tail end of the plug outer shielding ring (12) is provided with an inner plug shielding (13) inside, and the tail end is buckled on the baffle (14), and a wiring harness sealing ring (15) is provided on the other side of the baffle (14), and a plurality of groups of convex hulls (15-1) are provided on the surface of the other side of the wiring harness sealing ring (15), and the convex hulls (15-1) match the clamping holes (16-1) of the wire clamp (16) and are fixed in the tail cover (7) through the wire clamp (16); the tail cover (7) is clamped on the tail of the plug shell (2).

7. The new high-voltage connector according to claim 1 is characterized in that: The terminal groove (6-1) of the male terminal (6) is fixed in cooperation with the terminal buckle (17), and the terminal buckle (17) is fixed inside the plug inner shell (5) via a barb; the boss of the male terminal (6) is fixed in cooperation with the inner shell cantilever (5-1) of the plug inner shell (5).

8. The novel high-voltage connector according to claim 1 is characterized in that: A plug sealing ring (18) is provided between the socket shell (9) and the plug front cover (3); a socket shielding shell (8) is provided between the plug front cover (3) and the plug; the socket shielding shell (8) is inserted into the socket shell (9), passes through the bottom of the socket shell (9) and is connected through the lap (8-1); a socket interlocking shell (19) is connected between the socket shell (9), the plug front cover (3) and the socket shielding shell (8); the top of the socket interlocking shell (19) is connected through an interlocking male terminal (20), and a socket interlocking female terminal (21) is fixed inside; bushings (22) are provided in the through holes around the socket shell (9).

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