CN111585091A

CN111585091A - Electric connector with dislocation stacking assembly

Info

Publication number: CN111585091A
Application number: CN202010462527.1A
Authority: CN
Inventors: 金梦醒; 陈昌俊; 李统刚; 林强; 张智玲; 李运明
Original assignee: Sichuan Yonggui Science and Technology Co Ltd
Current assignee: Sichuan Yonggui Science and Technology Co Ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-08-25

Abstract

The invention discloses an electric connector with a dislocation superposition assembly, and belongs to the technical field of connectors. The electric connector comprises a plug assembly and a socket assembly which are matched with each other, the socket assembly comprises a socket shell, a socket shielding cover, a socket mounting plate, a staggered overlapping assembly and a tail cover assembly, the staggered overlapping assembly is arranged in the socket mounting plate, the socket shielding cover is sleeved outside the socket mounting plate, and the socket shielding cover and the socket mounting plate are arranged in the socket shell together; the tail cover assembly is installed at the tail end of the socket installation plate, and displacement of the dislocation stacking assembly is limited. The connector forms multi-line contact through multiple points on the staggered superposed assembly, is high in current carrying capacity, compact in structure and reliable in protection, and is particularly suitable for connectors for new energy automobiles.

Description

Electric connector with dislocation stacking assembly

Technical Field

The invention relates to the technical field of electric connectors, in particular to an electric connector with a dislocation superposition assembly.

Background

The new energy automobile which grows along with the rise of the energy crisis and the economic society obtains great development and progress in a short time. The connector is used as a core component of the new energy automobile and mainly plays a role in ensuring a whole automobile high-voltage interconnection system. Due to the existence of a high-voltage system, the requirements on the safety and the efficiency of the connector of the new energy automobile are higher than those of the traditional automobile. Due to the continuous expansion of the automobile entertainment system, the functional requirements for high-speed data transmission are increasing day by day, and the space reserved for the operation and use of the connector is gradually reduced due to the function integration to compress the internal space of the vehicle.

In order to meet the requirements of efficient transmission, effective shielding, reliable protection and the like, the conventional connector generally needs a plurality of independent components to realize each function, which often causes the overall size of the connector to be larger; and the existing connector power contact is limited in transmission capability to a single line contact formed by multi-point aggregation generally, and after the connector is installed in a vehicle, when the vehicle runs in a severe environment and vibrates violently, the danger of signal instantaneous interruption is easy to occur. There is a need in the market for a connector that is compact, reliable and protective to meet the growing demand for supply.

Disclosure of Invention

To solve the above technical problems, the present invention provides an electrical connector with a staggered stack assembly.

In order to achieve the purpose, the invention adopts the following technical scheme:

an electric connector with a dislocation superposition assembly comprises a plug assembly and a socket assembly which are matched with each other, wherein the socket assembly comprises a socket shell, a socket shielding cover, a socket mounting plate, the dislocation superposition assembly and a tail cover assembly; the tail cover assembly is installed at the tail end of the socket installation plate, and displacement of the dislocation stacking assembly is limited.

Furthermore, the tail cover assembly comprises a socket tail cover, a locking block and a tail copper plate; the socket tail cover is arranged at the tail end of the socket mounting plate, the locking block is arranged in the socket shell, and a hanging table matched with the groove of the socket shell and a hanging table used for pressing the socket tail cover are arranged on the locking block; the tail copper plate is matched with the staggered overlapping assembly and is limited through the tail cover of the socket.

Furthermore, the dislocation stack assembly is formed by reversely and sequentially and alternately stacking a plurality of copper sheets, and the middle of the dislocation stack assembly is connected by a pin shaft.

Furthermore, the socket shield cover is clamped with the socket mounting plate through the connecting elastic sheet on the socket shield cover, and when the socket shield cover and the socket mounting plate are arranged in the socket shell together, the socket shield cover is clamped on the step in the socket shell through the clamping elastic sheet of the socket shield cover for limiting.

Furthermore, the plug assembly comprises a front mounting plate assembly, a rear mounting plate assembly, a plug shell and a wire sealing body assembly, the front mounting plate assembly and the rear mounting plate assembly are respectively mounted in the plug shell, and the wire sealing body assembly is mounted at the tail of the plug shell and used for limiting the rear mounting plate assembly.

Further, back mounting panel subassembly includes back mounting panel, plug shield cover two, copper tablet terminal the back mounting panel is installed in plug shield cover two, and in back mounting panel and plug shield cover two packed into the plug housing together, copper tablet terminal was installed in the mounting panel of back.

Furthermore, the second plug shielding cover is fixedly connected with the second plug shielding cover through the matching of a limiting elastic sheet on the second plug shielding cover and a limiting groove on the rear mounting plate, and when the rear mounting plate and the second plug shielding cover are installed in the plug shell together, the second plug shielding cover is fixedly matched with the groove of the plug shell through a limiting elastic sheet on the second plug shielding cover; the copper medal terminal is pressed by two reverse elastic sheets of the metal sheet, one end of each reverse elastic sheet is pressed on the rear mounting plate, and the other end of each reverse elastic sheet is pressed on the copper medal terminal.

Furthermore, the front mounting plate assembly comprises a front mounting plate, a first plug shielding cover, a plug sealing ring and a plug cover plate, the plug shielding cover is sleeved on the front mounting plate and is arranged in the plug shell together, and a rib plate on the front mounting plate is matched with the rear mounting plate to prevent the rear mounting plate from falling off towards the tail part of the plug shell after being arranged in the plug shell together; after the assembly is finished, limiting the copper plate terminal by the transverse bar rib on the rear mounting plate; the plug sealing ring is installed outside the plug shield cover I, and the plug cover plate is matched with the boss on the plug shell through the groove on the plug cover plate and is limited to the plug sealing ring and the plug shield cover I.

Furthermore, the wire sealing body assembly comprises a shielding pressing sleeve, a wire sealing body and a plug tail clamp, a lower cylindrical part of the shielding pressing sleeve is connected with the outer circular surface of the lead through compression joint, and an upper rectangular part of the shielding pressing sleeve is matched with the plug shielding cover II and is tightly pressed through a limiting elastic sheet III on the plug shielding cover II; the wire sealing body component consists of a framework, a rubber piece and a wire protecting clamp; the framework and the rubber piece are molded in an integrated plastic package mode, and the wire protecting clamp is installed on the other side of the rubber piece; the tail of the cable protection clamp is provided with a plurality of independent clamping jaws for pressing a wire, the framework and the cable protection clamp the rubber piece in the middle, and the outer lip of the rubber piece is prevented from being separated from the inner wall of the plug shell due to radial contraction when the rubber piece is extruded to deform after the cable is installed; after the plug tail clamp is buckled with the lug boss at the tail part of the plug shell, the internal parts of the plug shell are limited not to be separated.

Furthermore, the electric connector also comprises a secondary locking sliding block and a handle, wherein a slide way is arranged on the plug shell, and the secondary locking sliding block slides in the slide way on the plug shell; the handle rotates around the rotary boss on the plug shell, and when the secondary locking sliding block slides in the slide way, the cantilever boss on the secondary locking sliding block is matched with the first limiting boss and the second limiting boss on the handle to realize locking and unlocking.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention has novel structure and strong practicability; the connector is compact in structure, reliable in protection and particularly suitable for new energy automobiles. The staggered superposed assembly formed by reversely and sequentially and alternately stacking a plurality of copper sheets is adopted, and multi-line contact is formed through a plurality of contact points, so that the current-carrying capacity of the terminal is improved. The contact convex points at the two ends of the copper sheet and the base surface of the copper sheet are not on the same plane, so that the deformation force of the copper sheet is smaller when the copper plate is inserted, the insertion and extraction force is smaller, the opposite insertion is smoother, and the service life is longer.

2. The first limit boss and the second limit boss with different heights on the handle are respectively matched with the cantilever boss on the secondary locking sliding block at two working positions, so that the handle can still be effectively locked when the secondary locking sliding block is in the locking position due to error contact. The stop boss on the plug shell is matched with the hole on the handle, so that the handle is not easy to disengage when rotating in place.

3. According to the invention, the hanging table on the locking plate is matched with the socket mounting plate, and the pressing plate on the locking plate presses the socket tail cover to lock the socket tail cover and the staggered stacking assembly for the second time.

Drawings

FIG. 1 is a schematic diagram of a header of the connector of the present invention;

FIG. 2 is an exploded schematic view of the plug assembly;

FIG. 3 is an exploded view of the receptacle assembly;

FIG. 4 is a schematic cross-sectional view of the plug assembly;

FIG. 5 is a schematic cross-sectional view of a receptacle assembly;

FIG. 6 is a schematic view of the front mounting plate;

FIG. 7 is a schematic view of a second plug shield;

FIG. 8 is a schematic view of a metal sheet;

FIG. 9 is a schematic view of a wire sealing body assembly;

FIG. 10 is a schematic view of a plug housing;

FIG. 11 is a schematic view of a handle;

FIG. 12 is a schematic view of a secondary locking slide;

FIG. 13 is a schematic view of the handle in an unlocked position;

FIG. 14 is a schematic view of the handle in a locked position;

FIG. 15 is a schematic view of a locking block;

figure 16 is a schematic view of a receptacle shield;

fig. 17 is a schematic diagram of the insertion of a header according to embodiment 2.

The labels in the figure are: 1-plug component, 2-socket component, 3-plug shell, 301-first clamping position, 302-second clamping position, 303-clamping boss, 304-slideway, 305-rotary boss, 4-front mounting plate, 401-transverse rib, 402-rib plate, 5-first plug shielding cover, 6-plug sealing ring, 7-plug cover plate, 8-handle, 801-first limiting boss, 802-second limiting boss, 9-secondary locking slider, 901-cantilever boss, 10-second plug shielding cover, 101-first limiting elastic sheet, 102-second limiting elastic sheet, 103-third limiting elastic sheet, 11-metal sheet, 111-reverse elastic sheet, 12-rear mounting plate, 13-shielding pressing sleeve, 14-wire sealing body component and 141-framework, 142-rubber piece, 143-wire protection clamp, 15-plug tail clamp, 16-copper plate terminal, 17-socket shell, 18-dislocation superposition component, 19-socket sealing gasket, 20-socket shielding cover, 201-connection elastic sheet, 202-clamping elastic sheet, 203-contact elastic sheet, 21-socket mounting plate, 22-socket tail cover, 23-locking block, 231-hanging table, 232-pressing sheet, 24-tail copper plate and 25-connection screw component.

Detailed Description

The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1 to 7, a novel staggered stacked assembly and an electrical connector including the same includes: a plug assembly 1 and a receptacle assembly 2. The plug assembly 1 comprises a plug shell 3, a plug cover plate 7, a plug sealing ring 6, a plug shielding cover I5, a plug shielding cover II 10, a front mounting plate 4, a rear mounting plate 12, a metal sheet 11, a shielding pressing sleeve 13, a copper plate terminal 16, a wire sealing body assembly 14, a plug tail clamp 15, a handle 8 and a secondary locking sliding block 9. The socket assembly 2 comprises a socket shell 17, a sealing gasket, a socket shielding cover 20, a socket mounting plate 21, a staggered overlapping assembly 18, a socket tail cover 22, a locking block 23 and a tail copper plate 24.

The rear mounting plate 12 is mounted in the second plug shield cover 10, is fixedly connected with the second plug shield cover 10 through the matching of the limiting elastic sheet on the second plug shield cover 10 and the limiting groove on the rear mounting plate 12, is mounted in the plug housing 3 together, and is fixed through the second limiting elastic sheet 102 on the second plug shield cover 10.

The copper plate terminal 16 is installed in the rear mounting plate 12, as shown in fig. 8, the two reverse elastic sheets 111 of the metal sheet 11 are pressed tightly, one end of each reverse elastic sheet 111 is pressed on the rear mounting plate 12, and the other end of each reverse elastic sheet 111 is pressed on the copper plate terminal 16, so that the copper plate terminal 16 is stable and reliable and does not shake after being installed.

The first plug shield 5 is sleeved on the front mounting plate 4 and is mounted in the plug housing 3 together. The ribs 402 on the front mounting plate 4 cooperate with the rear mounting plate 12 to prevent the rear mounting plate 12 from coming off the rear of the plug housing 3 after being installed in the plug housing 3. After the assembly is completed, the horizontal bar ribs on the rear mounting plate 12 limit the copper plate terminals 16, and safety accidents caused by the fact that fingers touch the copper plate terminals 16 by mistake can be prevented.

The plug sealing ring 6 is arranged outside the first plug shielding cover 5, and the plug cover plate 7 is matched with a boss on the plug shell 3 through a groove on the plug cover plate and is limited for the first plug sealing ring 6 and the first plug shielding cover 5. The lower cylindrical part of the shielding pressing sleeve 13 is connected with the outer circular surface of the lead through compression joint, and the upper rectangular part is matched with the second plug shielding case 10 and is pressed tightly through the third limiting elastic sheet 103 on the second plug shielding case 10.

As shown in fig. 9, the wire sealing body assembly 14 is composed of a skeleton 141, a rubber member 142 and a wire protecting clip 143. The frame 141 and the rubber member 142 are integrally molded by plastic, and the wire guard 143 is mounted on the other surface of the rubber member 142. The skeleton 141 and the wire protecting clip 143 clamp the rubber part 142 in the middle, so that after the cable is installed, the rubber part 142 is extruded to deform, and the outer lip of the rubber part 142 is not separated from the inner wall of the plug shell 3 due to radial contraction, so that the waterproof failure is avoided. Meanwhile, when the lead passes through the central holes of the bobbin 141 and the wire protection clip 143, the waterproof failure due to bending of the lead during the assembly process can be prevented. The tail of the wire protection clamp 143 is provided with a plurality of independent clamping jaws which are folded towards the middle after being extruded by the plug tail clamp 15 to compress the wires, so that the wires are prevented from moving in the plug. After the plug tail clip 15 is buckled with the lug boss at the tail part of the plug shell 3, the internal parts of the plug shell 3 are limited from falling off.

As shown in fig. 6 to 14, the plug housing 3 is provided with two limit grooves, namely a first limit groove 301 and a second limit groove 302, and the secondary locking slider 9 can slide in the slide rail 304 on the plug housing 3. When the cantilever boss 901 on the secondary locking slider 9 is positioned at the first position-limiting 301, the handle 8 is loosened, the handle 8 rotates to the first position-limiting boss 801 around the rotating boss 305 on the plug housing 3 to press down the cantilever boss 901 on the secondary locking slider 9, the secondary locking slider 9 can continuously slide to the second position-limiting 302, and at the moment, the cantilever boss 901 on the secondary locking slider 9 clamps the second position-limiting boss 802, so that the handle 8 cannot continuously rotate, and the handle 8 is locked. At this time, the locking bosses 303 on the plug housing 3 are engaged with the grooves on both side surfaces of the handle 8, so that the handle 8 is not easily removed. If the handle 8 is unlocked, the secondary locking slider 9 is in the second clamping position 302 due to error contact, the handle 8 is continuously rotated, at this time, the second limiting boss 802 presses down the cantilever boss 901 on the secondary locking slider 9, the cantilever boss 901 moves downwards, and when the second limiting boss 802 on the handle 8 is clamped by the cantilever boss 901, the handle 8 is locked.

As shown in fig. 5, the offset stacking assembly 18 is formed by alternately stacking a plurality of copper sheets in reverse direction, and the copper sheets are connected by a pin in the middle. The staggered overlapping assembly 18 is arranged in the socket mounting plate 21, the socket shielding cover 20 is sleeved outside the socket mounting plate 21, is clamped with the socket mounting plate 21 through a connecting elastic sheet 201 on the socket shielding cover 20, and is arranged in the socket shell 17 together. The socket shield cover 20 is locked on the step in the socket housing 17 by the locking elastic sheet 202 for limiting. The socket tail cover 22 is installed at the tail end of the socket installation plate 21 and is fixed through the matching of the bosses on the periphery and the holes of the socket installation plate 21, and the displacement of the dislocation superposition component 18 is limited.

As shown in fig. 5, after the locking block 23 is installed in the socket housing 17, the hanging table 231 thereon is engaged with the groove of the socket housing 17, and the pressing piece 232 presses the socket tail cover 22 to perform a secondary locking on the socket tail cover 22 and the terminal. The tail brass plate 24 mates with the offset stack assembly 18 and is retained by the receptacle tail cap 22. The form of the receptacle tail cap 22 may be modified to accommodate different environments of use.

As shown in figure 1, when the plug assembly 1 and the socket assembly 2 are plugged into each other, the insertion depth is gradually increased by the guidance of the handle 8 until the handle 8 is completely locked when the plug assembly and the socket assembly are plugged into each other. During the insertion process, the first plug shield 5 on the plug assembly 1 and the socket shield 20 on the socket assembly 2 are contacted through the contact elastic sheets 203 on the socket shield 20, so that the whole connector is completely shielded.

Example 2:

as shown in fig. 17, the present embodiment is further optimized based on embodiment 1, and the present embodiment focuses on the improvement compared to embodiment 1, and the same points are not repeated, in the present embodiment, the plug assembly 1 and the receptacle assembly 2 of the present invention are connected by the connecting screw assembly 25. The plug housing 3 is provided with a through hole for passing a connection screw, and the socket housing 17 is provided with a threaded hole. After the header is inserted into position, the connection screw assembly 25 is tightened to lock the header. In the embodiment, the handle 8 and the secondary locking sliding block 9 are omitted, and the connection is realized through screws, so that the operation is also convenient, and the number of parts is less.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The electric connector with the dislocation superposition assembly is characterized by comprising a plug assembly (1) and a socket assembly (2) which are matched with each other, wherein the socket assembly (2) comprises a socket shell (17), a socket shielding cover (20), a socket mounting plate (21), the dislocation superposition assembly (18) and a tail cover assembly, the dislocation superposition assembly (18) is arranged in the socket mounting plate (21), the socket shielding cover (20) is sleeved outside the socket mounting plate (21), and the socket shielding cover (20) and the socket mounting plate (21) are arranged in the socket shell (17) together; the tail cap assembly is mounted at the end of the socket mounting plate (21) to limit the displacement of the misplaced stacking assembly (18).

2. An electrical connector with a staggered stack assembly as set forth in claim 1, wherein said tail cap assembly includes a receptacle tail cap (22), a locking block (23), and a tail copper plate (24); the socket tail cover (22) is arranged at the tail end of the socket mounting plate (21), the locking block (23) is arranged in the socket shell (17), and a hanging table (231) matched with the groove of the socket shell (17) and a hanging table (231) used for pressing the socket tail cover (22) are arranged on the locking block (23); the tail copper plate (24) is matched with the dislocation superposition component (18) and is limited by the socket tail cover (22).

3. The electrical connector with offset stack assembly of claim 1, wherein the offset stack assembly (18) is formed by stacking a plurality of copper sheets alternately in reverse order, and the copper sheets are connected by a pin in the middle.

4. The electrical connector with the staggered overlapping component as claimed in claim 1, wherein the socket shielding cover (20) is clamped with the socket mounting plate (21) through a connecting elastic sheet (201) on the socket shielding cover (20), and when the socket shielding cover (20) and the socket mounting plate (21) are installed in the socket housing (17) together, the socket shielding cover (20) is clamped on a step in the socket housing (17) through a clamping elastic sheet (202) of the socket shielding cover (20) for limiting.

5. The electrical connector with the staggered overlapping assembly as claimed in claim 1, wherein the plug assembly (1) comprises a front mounting plate (4) assembly, a rear mounting plate (12) assembly, a plug housing (3) and a wire sealing body assembly (14), the front mounting plate (4) assembly and the rear mounting plate (12) assembly are respectively mounted in the plug housing (3), and the wire sealing body assembly (14) is mounted at the tail of the plug housing (3) and used for limiting the rear mounting plate (12) assembly.

6. The electrical connector with the staggered stack assembly as set forth in claim 5, wherein the rear mounting plate (12) assembly comprises a rear mounting plate (12), a second plug shield (10) and a copper plate terminal (16), the rear mounting plate (12) is mounted in the second plug shield (10), the rear mounting plate (12) and the second plug shield (10) are mounted in the plug housing (3), and the copper plate terminal (16) is mounted in the rear mounting plate (12).

7. The electrical connector with the misplaced stacking assembly according to claim 6, wherein the second plug shield (10) is fixedly connected with the second plug shield (10) through the matching of a limiting elastic sheet on the second plug shield (10) and a limiting groove on the rear mounting plate (12), and when the rear mounting plate (12) and the second plug shield (10) are installed in the plug housing (3) together, the second plug shield (10) is fixedly matched with the groove of the plug housing (3) through a limiting elastic sheet (102) on the second plug shield (10); the copper plate terminal (16) is pressed tightly through two reverse elastic sheets (111) of the metal sheet (11), one end of each reverse elastic sheet (111) is pressed on the rear mounting plate (12), and the other end of each reverse elastic sheet is pressed on the copper plate terminal (16).

8. The electrical connector with the staggered overlapping component as claimed in claim 5, wherein the front mounting plate (4) component comprises a front mounting plate (4), a first plug shield (5), a plug sealing ring (6) and a plug cover plate (7), the first plug shield (5) is sleeved on the front mounting plate (4) and is mounted in the plug housing (3) together, and a rib plate (402) on the front mounting plate (4) is matched with the rear mounting plate (12) to prevent the rear mounting plate (12) from falling out to the tail of the plug housing (3) after being mounted in the plug housing (3) together; after the assembly is finished, the transverse bar ribs on the rear mounting plate (12) limit the copper plate terminals (16); the plug sealing ring (6) is installed outside the first plug shielding cover (5), and the plug cover plate (7) is matched with the boss on the plug shell (3) through the groove on the plug cover plate and is limited to the first plug sealing ring (6) and the first plug shielding cover (5).

9. The electrical connector with the misplaced stacking assembly according to claim 5, wherein the wire sealing body assembly (14) includes a shielding pressing sleeve (13), a wire sealing body and a plug tail clamp (15), a lower cylindrical portion of the shielding pressing sleeve (13) is connected with an outer circular surface of a wire through compression joint, an upper rectangular portion of the shielding pressing sleeve (13) is matched with the second plug shielding case (10) and is pressed through a third limiting elastic sheet (103) on the second plug shielding case (10); the wire sealing body component (14) consists of a framework (141), a rubber piece (142) and a wire protecting clamp (143); the framework (141) and the rubber piece (142) are integrally molded in a plastic package mode, and the wire protecting clamp (143) is installed on the other surface of the rubber piece (142); the tail of the wire protecting clamp (143) is provided with a plurality of independent clamping jaws for pressing a wire, the framework (141) and the wire protecting clamp (143) clamp the rubber piece (142) in the middle, and after the cable is installed, the rubber piece (142) is extruded to deform, so that the outer lip of the rubber piece (142) cannot be separated from the inner wall of the plug shell (3) due to radial contraction; after the plug tail clamp (15) is buckled with the lug boss at the tail part of the plug shell (3), the internal parts of the plug shell (3) are limited not to be separated.

10. The electrical connector with the misplaced stacking assembly according to claim 5, further comprising a secondary locking slider (9) and a handle (8), wherein the plug housing (3) is provided with a slide (304), the secondary locking slider (9) slides in the slide (304) on the plug housing (3); the handle (8) rotates around the rotating boss (305) on the plug shell (3), and when the secondary locking sliding block (9) slides in the sliding way (304), the cantilever boss (901) on the secondary locking sliding block (9) is matched with the limiting boss I (801) and the limiting boss II (802) on the handle (8) to realize locking and unlocking.