CN116315848B

CN116315848B - New energy power-exchanging connector

Info

Publication number: CN116315848B
Application number: CN202310262971.2A
Authority: CN
Inventors: 谭达兴; 吴立波; 廖基伟
Original assignee: Dongguan Goldconn Precision Electronics Co Ltd
Current assignee: Dongguan Goldconn Precision Electronics Co Ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-09-12
Anticipated expiration: 2043-03-17
Also published as: CN116315848A

Abstract

The application discloses a new energy power conversion connector, wherein a female base comprises a female end shell unit, a female end signal pin unit, a female end power pin unit and a female end ground wire unit; the female end power pin unit comprises an upper power terminal assembly, a lower power line head assembly, a positioning assembly and an anti-falling assembly. Through designing female end power pin unit into the multistage structure of last power supply terminal subassembly, lower power supply line head subassembly, locating component and anticreep subassembly, after a certain part takes place to damage, with it pull down change can, need not whole power pin and change, greatly reduced the cost. The positioning assembly effectively prevents the power terminal assembly and the lower power lead assembly from being pulled from the first mounting cavity. The anti-drop assembly is clamped between the inner wall of the first installation cavity and the outer wall of the positioning assembly, and further enhances the anti-drop force of the upper power terminal assembly and the lower power terminal assembly in the first installation cavity, so that the upper power terminal assembly and the lower power terminal assembly are prevented from being taken out of the first installation cavity.

Description

New energy power-exchanging connector

Technical Field

The application relates to the technology of the field of new energy point connectors, in particular to a new energy electricity-exchanging connector.

Background

The new energy automobile is an automobile which adopts unconventional automobile fuel as a power source or conventional automobile fuel and adopts a novel vehicle-mounted power device to integrate the advanced technology in the aspects of power control and driving of the automobile, and has advanced technical principle, new technology and new structure. The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile, other new energy automobiles and the like, wherein the electric automobile is a vehicle which uses a vehicle-mounted power supply as power and drives wheels by a motor. In recent years, new energy automobiles are rapidly developed, and various large automobile companies have certain research and development results and products, so that the electric automobiles and hybrid electric automobiles are the most rapidly developed and have the current requirements. The electric automobile uses the electric energy stored by the vehicle-mounted battery as the power for running, but the energy density and the power density of the power battery are far lower than those of gasoline and diesel, so that the running mileage of the electric automobile for one-time charging is relatively short, and the electric automobile is limited by the use characteristics of the battery and needs to be charged frequently. Therefore, the charging port structure of the electric vehicle is an important structure in the electric vehicle, and the performance of the charging port directly influences the normal use and the use safety of the charging port of the electric vehicle.

In order to meet the requirement of quick charging, thicker wires are often used for wires on the charging port structure, and the wires are often easy to loosen or separate due to the fact that the thick wires are heavy and are influenced by repeated plugging force.

In the CN205004505U patent, as can be seen from fig. 2 of the patent, the front end of the plug end cable 4' is directly inserted into the sleeve, the plug end cable 4' is inserted into the sleeve, the anti-falling structure is not formed, and the clip spring 18' and the tail buckle 14' are only arranged at the rear end of the plug end cable 4' to fix the plug end cable 4', so that the plug end cable 4' is easy to loose or fall off under the long-term use condition.

Disclosure of Invention

In view of the above, the present application aims at overcoming the drawbacks of the prior art, and its primary objective is to provide a new energy power conversion connector, which solves the problem that the cable is easy to loose or fall off.

In order to achieve the above purpose, the present application adopts the following technical scheme: the new energy electricity-exchanging connector comprises a female seat and a male head, wherein the female seat is spliced with the male head;

the female base comprises a female end shell unit, a female end signal pin unit, a female end power pin unit and a female end ground wire unit; the female end shell unit comprises an upper shell and a lower shell which are detachably connected; the female terminal signal pin unit, the female terminal power pin unit and the female terminal ground wire unit are all arranged on the female terminal shell unit;

the female end power pin unit comprises an upper power terminal assembly, a lower power line head assembly, a positioning assembly and an anti-falling assembly; the upper end and the lower end of the female end shell unit penetrate through a first mounting cavity, the upper power terminal assembly and the lower power line head assembly are respectively arranged at the upper end and the lower end of the first mounting cavity, and the lower end of the upper power terminal assembly and the upper end of the lower power line head assembly are connected in an inserting mode; the positioning assembly is sleeved at the joint of the upper power supply terminal assembly and the lower power supply wire head assembly, and the outer wall of the positioning assembly is tightly matched with the first mounting cavity; the anti-falling assembly is clamped between the inner wall of the first installation cavity and the outer wall of the positioning assembly, so that the positioning assembly is prevented from being separated from the first installation cavity by external force.

In one embodiment, the upper power terminal assembly comprises an outer sleeve, an inner sleeve and a first anti-contact, wherein a limiting ring is convexly arranged on the outer wall of the outer sleeve, a limiting plate is locked in an insertion cavity of the upper shell, and the limiting plate compresses the limiting ring;

the inner sleeve is arranged in the outer sleeve and communicated, a first cavity is concavely arranged at the upper end of the inner sleeve, a first crown spring is arranged in the first cavity, a second cavity is concavely arranged at the lower end of the inner sleeve, a second crown spring is arranged in the second cavity, and the second cavity is communicated with the first cavity through a radial reduced through hole;

the first anti-contact is arranged in the inner sleeve and comprises a head part and a cylindrical part; teeth are arranged on the outer wall of the head, and are positioned in contact with the inner wall of the second cavity; the cylindrical portion is connected to the upper end of the head portion, and the cylindrical portion penetrates through the through hole and stretches into the first cavity.

In one embodiment, the lower power lead assembly includes a terminal block, a power cord, a barrel, and a shield ring; the wiring terminal head end is inserted into the second cavity and is abutted with the second crown spring; one end of the power line is connected and conducted with the wiring terminal, and the other end of the power line extends out of the lower end of the first mounting cavity; the wire barrel is sleeved outside the power wire, a wire pressing cover is arranged at the lower end opening of the first mounting cavity, the lower end of the wire barrel penetrates through the wire pressing cover, a first waterproof ring is arranged among the wire barrel, the first mounting cavity and the wire pressing cover, the inner wall and the outer wall of the first waterproof ring are all in a tooth shape, buckling feet are convexly arranged on the first waterproof ring, and the buckling feet are buckled on the wire pressing cover; the shielding ring is pressed on the outer wall of the upper end of the wire barrel.

In one embodiment, the positioning assembly comprises an upper metal positioning seat and a lower metal positioning seat which are fixed in an up-down inserting manner, and the outer wall of the upper metal positioning seat is tightly matched with the inner wall of the first mounting cavity; a temperature sensing piece is also clamped between the inner wall of the upper metal positioning seat and the outer wall of the lower metal positioning seat, and a lead wire of the temperature sensing piece passes through the first waterproof ring;

the anti-falling assembly comprises a first anti-falling sleeve and a second anti-falling sleeve, the first anti-falling sleeve is arranged on the first anti-falling sleeve and fixed on the inner wall of the first installation cavity, a limiting arm is formed on the first anti-falling sleeve by inward punching, and the limiting arm extends obliquely upwards and is propped against the outer wall of the upper metal positioning seat to form an anti-falling structure; the lower end of the second anti-drop sleeve is sleeved outside the shielding ring, an elastic arm is formed by outwards punching the upper end of the second anti-drop sleeve, and the elastic arm extends obliquely downwards and abuts against the inner wall of the first installation cavity to form an anti-drop structure.

In one embodiment, the female terminal signal pin unit includes: a female end socket assembly and a female end plug assembly which are connected in a plugging manner; the female end socket assembly comprises a first plastic seat, a plurality of signal female terminal barrels and two standby power supply terminal barrels; the signal female terminal barrels and the two standby power supply terminal barrels are arranged on the first plastic seat, the signal female terminal barrels and the standby power supply terminal barrels are straight cylinders, and torsion spring parts are arranged at the upper end and the lower end of the inner walls of the signal female terminal barrels and the standby power supply terminal;

the female end plug assembly comprises a second plastic seat, a first branching block and a plurality of plug-in signal terminals arranged on the second plastic seat, one end of each plug-in signal terminal is inserted into a corresponding signal female terminal barrel and is in contact conduction with a corresponding torsion spring part, and the other end of each plug-in signal terminal is connected with a signal wire; the first branching block is arranged on the bottom surface of the second plastic seat, a plurality of branching holes penetrate through the upper end surface and the lower end surface of the first branching block, and the other end of each plug-in signal terminal is clamped in the corresponding branching hole.

In one embodiment, the female ground unit comprises: the ground wire sleeve, the ground wire terminal and the ground wire crown spring; the limiting plate compresses the ground wire sleeve on the upper shell; the ground wire crown spring is arranged on the upper shell; the ground wire terminal is arranged in the ground wire sleeve, the upper end of the ground wire terminal is positioned in the ground wire sleeve, and a torsion spring is arranged in the inner wall of the upper end of the ground wire terminal; the lower end of the ground wire terminal extends out of the ground wire sleeve and extends into the ground wire crown spring to be contacted and conducted; and a ground wire wiring hole for a ground wire is formed in the outer wall of the lower shell.

In one embodiment, the male comprises a male housing unit, a male signal pin unit, a male power pin unit and a male ground unit; the male signal pin unit, the male power pin unit and the male ground wire unit are all arranged on the male shell unit.

In one embodiment, the male signal pin unit comprises a male signal terminal and a second anti-contact, wherein an elastic clamping hook is arranged on the second anti-contact, and the elastic clamping hook stretches into the male signal terminal to be clamped; and the second anti-contact is provided with a through groove, and the cylindrical part passes through the through groove in the plugging state.

In one embodiment, the male signal pin unit further comprises a spring, one end of the spring is located on the second anti-contact and located on the outer side of the elastic clamping hook, and the other end of the spring abuts against the end face of the male signal terminal.

In one embodiment, fool-proof structures are arranged on the male head and the female seat.

Compared with the prior art, the application has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:

through designing female end power pin unit into the multistage structure of last power supply terminal subassembly, lower power cord head subassembly, locating component and anticreep subassembly, damage the back takes place in some part wherein, with it pull down change can, need not whole power pin and change, greatly reduced the cost.

The locating component is sleeved at the joint of the upper power terminal component and the lower power line head component, so that the upper power terminal component and the lower power line head component are firmly fixed in the first mounting cavity, and the power terminal component and the lower power line head component are effectively prevented from being pulled and dragged from the first mounting cavity.

The anti-drop assembly is clamped between the inner wall of the first installation cavity and the outer wall of the positioning assembly, so that the positioning assembly is prevented from being separated from the first installation cavity by external force, the anti-drop assembly further enhances the anti-drop force of the upper power terminal assembly and the lower power line head assembly in the first installation cavity, and the upper power terminal assembly and the lower power line head assembly are prevented from being taken out of the first installation cavity when the female base and the male head are plugged and pulled out, so that the service life of a product is prolonged.

In order to more clearly illustrate the structural features and efficacy of the present application, the present application will be described in detail below with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a perspective view of a male and female socket in an inserted state according to an embodiment of the present application;

fig. 2 is a perspective view of a male and female socket provided in an embodiment of the present application in a separated state;

FIG. 3 is a perspective view of a female seat provided by an embodiment of the present application;

FIG. 4 is an exploded view of a female housing provided in an embodiment of the present application;

fig. 5 is a perspective view of a female-side power pin unit according to an embodiment of the present application;

fig. 6 is an exploded view of a female power pin unit provided by an embodiment of the present application;

FIG. 7 is a cross-sectional view of a female seat provided by an embodiment of the present application;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a partial enlarged view at B in FIG. 7;

FIG. 10 is an enlarged view of a portion of FIG. 7 at C;

fig. 11 is an exploded view of a female-side signal pin unit according to an embodiment of the present application;

FIG. 12 is a perspective view of a male provided by an embodiment of the present application;

fig. 13 is a partial cross-sectional view of a male signal pin unit provided in an embodiment of the present application.

Reference numerals:

1. female seat 10 and female end housing unit

11. Upper casing 12, lower casing

13. Limiting plate 101, first installation cavity

121. Ground wire wiring hole 20 and female end signal pin unit

21. Female end socket assembly 211, first plastic seat

212. Signal female terminal tube 213 and standby power supply terminal tube

22. Female plug assembly 221, second plastic seat

222. First branching block 2221 and branching hole

223. Plug-in signal terminal 30 and female end power supply pin unit

31. Upper power terminal assembly 311, outer sleeve

3111. Stop collar 312, inner sleeve

3121. First chamber 3122, second chamber

3123. Through hole 313, first anti-contact

3131. Head 3132 and cylindrical portion

314. First crown spring 315, second crown spring

32. Lower power terminal assembly 321 and binding post

3211 elastic claw 322 and power cord

323. Wire barrel 324, shielding ring

325. Wire pressing cover 326 and first waterproof ring

33. Positioning component 331 and upper metal positioning seat

332. Lower metal positioning seat 333 and temperature sensing piece

34. Anti-drop assembly 341, first anti-drop sleeve

3411. Limit arm 342, second anti-drop sleeve

3421. Elastic arm 40, female end ground wire unit

41. Ground wire sleeve 42, ground wire terminal

43. Ground wire crown spring 44, torsion spring

2. Male head 50 and male head housing unit

60. Male signal pin unit 61 and male signal terminal

61. Second anti-contact 611 and elastic clamping hook

63. Spring 70 and male power pin unit

80. And a male ground wire unit.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 13, the present application provides a new energy power conversion connector, which includes a female base 1 and a male 2, wherein the female base 1 is plugged with the male 2. The female base 1 comprises a female end shell unit 10, a female end signal pin unit 20, a female end power pin unit 30 and a female end ground wire unit 40; the female end housing unit 10 includes an upper housing 11 and a lower housing 12 which are detachably connected, and the upper housing 11 and the lower housing 12 are detached for replacement by making the housings into two parts when the replacement of internal parts is required.

The female terminal signal pin unit 20, the female terminal power pin unit 30 and the female terminal ground wire unit 40 are all arranged on the female terminal shell unit 10; in one embodiment, the female signal pin unit is one and is located in the middle of the female housing unit 10. The female end power supply pin unit is 4 high-voltage power supply pins, and 4 high-voltage current pins form a double loop, so that larger current can be born. The number of the female ground wire units 40 is 1, and the female ground wire units are located beside the female power pin unit 30.

Each female power pin unit 30 includes an upper power terminal assembly 31, a lower power terminal assembly 32, a positioning assembly 33, and an anti-drop assembly 34. The female end power pin unit 30 is designed into a sectional structure, and after a certain part is damaged, the female end power pin unit is detached and replaced, so that the whole power pin is not required to be replaced, and the cost is greatly reduced.

The upper and lower ends of the female end housing unit 10 are penetrated with a first mounting cavity 101, that is, the upper and lower end surfaces of the upper housing 11 and the lower housing 12 are provided with the first mounting cavity 101, the outer wall of the upper power terminal assembly 31 is tightly fixed with the inner wall of the first mounting cavity 101 on the upper housing 11, the lower power terminal assembly 32 is arranged in the first mounting cavity 101 of the lower housing, and the lower end of the upper power terminal assembly 31 is connected with the upper end of the lower power terminal assembly 32 in an inserting connection manner.

The locating component 33 is sleeved at the connection part of the upper power terminal component 31 and the lower power terminal component 32, and the outer wall of the locating component 33 is tightly matched with the first mounting cavity 101, so that the upper power terminal component and the lower power terminal component are fixed in the first mounting cavity, and the power terminal component and the lower power terminal component are effectively prevented from being pulled and dragged from the first mounting cavity. The anticreep subassembly 34 presss from both sides between locating component 33 and the inner wall of first installation cavity 101 to prevent that locating component 33 from receiving external force to break away from first installation cavity 101, anticreep subassembly 34 further strengthens the anticreep power of last power terminal subassembly and lower power terminal subassembly in first installation cavity, avoids female seat 1 and public head 2 when plug will go up power terminal subassembly and lower power terminal subassembly and take out from first installation cavity, thereby has improved the life of product.

The upper power terminal assembly 31 comprises an outer sleeve 311, an inner sleeve 312 and a first anti-contact 313, a limiting ring 3111 is convexly arranged on the outer wall of the outer sleeve 311, a limiting plate 13 is locked in an inserting cavity of the upper shell 11 through screws, the limiting plate 13 compresses the limiting ring 3111, and when the upper power terminal assembly 31 needs to be replaced, the limiting plate 13 can be removed for replacement. The inner sleeve 312 is arranged in the outer sleeve 311 and is communicated, namely, the outer wall of the inner sleeve 312 is abutted with the inner wall of the outer sleeve 311 to form a double-pipe wall structure, so that the electric current and the plugging force can be borne. The upper end of the inner sleeve 312 is concavely provided with a first cavity 3121, a first crown spring 314 is arranged in the first cavity 3121, the lower end of the inner sleeve 312 is concavely provided with a second cavity 3122, a second crown spring 315 is arranged in the second cavity 3122, and the arrangement of the first crown spring 314 and the second crown spring 315 ensures that the corresponding contact terminals are contacted more firmly.

The second chamber 3122 and the first chamber 3121 are communicated through a radially reduced through hole 3123, however, the second chamber 3122 and the first chamber 3121 may be configured as an unconnected structure, and the through hole 3123 is provided, so that the second chamber 3122 and the first chamber 3121 are more uniform and convenient during electroplating.

The first anti-contact 313 is disposed within the inner sleeve 312, the first anti-contact 313 including a head portion 3131 and a cylindrical portion 3132. Teeth are provided on the outer wall of the head 3131, and are positioned in contact with the inner wall of the second chamber 3122, the teeth preventing the first anti-contact 313 from being separated from the second chamber 3122, and simultaneously preventing the first anti-contact 313 from rotating. The cylindricality portion 3132 is connected in the upper end of head 3131, and cylindricality portion 3132 pass the through-hole and stretch into in the first cavity 3121, and cylindricality portion 3132 effectively prevents the electric shock that the finger of operating personnel caused in stretching into first cavity 3121, has guaranteed operating personnel's safety.

The lower power lead assembly 32 includes a terminal 321, a power cord 322, a barrel 323, and a shield ring 324. The terminal 321 head end inserts in the second cavity 3122 and stablely supports with second crown spring 315, and the outer wall of terminal 321 is equipped with and ends the commentaries on classics plane 3212, avoids terminal 321 to rotate, effectively prevents the electric fire when circular telegram to produce. One end of the power wire 322 is connected and conducted with the connecting terminal 321, the other end of the power wire stretches out of the lower end of the first mounting cavity 101, in order to ensure the connection stability of the power wire 322 and the connecting terminal 321, the power wire 322 and the connecting terminal 321 are connected in a dispensing or welding mode, but when one part of the power wire is replaced later in dispensing and welding, the power wire is inconvenient to detach and replace, so that the free end of the elastic claw 3211 is sharp and abuts against the outer wall of the power wire 322 through the inward stamping of the inner wall of the connecting terminal 321, and when the power wire 322 is pulled out, the elastic claw 3211 gives a blocking force, and the power wire 322 is effectively prevented from being pulled out of the connecting terminal 321. When the power line 322 needs to be replaced, the elastic claw 3211 is shifted outwards to deform reversely, the elastic claw 3211 is separated from the outer wall of the power line 322, and then the power line is pulled out.

The wire barrel 323 is sleeved outside the power wire 322, the wire barrel 323 plays roles of protecting and preventing water from the power wire, and meanwhile the tensile capacity of the power wire can be enhanced. The lower opening of the first installation cavity 101 is provided with a wire pressing cover 325. The line section of thick bamboo 323 lower extreme passes line ball lid 325, and is equipped with first waterproof circle 326 between line section of thick bamboo 323, first installation cavity 101 and the line ball lid 325, is the insection on the inner and outer wall of first waterproof circle 326, and the waterproof circle of insection can promote waterproof formula greatly, avoids the infiltration of water to inside. The first waterproof ring 326 is provided with a buckling pin, and the buckling pin is buckled on the pressing line cover 325; the shielding ring 324 is pressed against the outer wall of the upper end of the wire barrel 323, so that the shielding effect on the power wire is enhanced. The wire barrel 323, the wire pressing cover 325, the shielding ring 324 and the first waterproof ring 326 are buckled, and when the power wire is pulled outwards, the 4 parts can provide certain resistance at the same time to prevent the power wire from falling out of the first installation cavity.

The positioning assembly 33 comprises an upper metal positioning seat 331 and a lower metal positioning seat 332 which are fixed in an up-down plugging manner, and the outer wall of the upper metal positioning seat 331 is tightly matched with the inner wall of the first installation cavity 101. The temperature sensing part 333 is further clamped between the inner wall of the upper metal positioning seat 331 and the outer wall of the lower metal positioning seat 332, the temperature sensing part 333 is directly arranged on the power pin at the female end, the temperature change on the power pin can be sensed more directly, and compared with the traditional temperature sensing part, the temperature sensing part is arranged on the male end, and the detection temperature is more accurate. Compared with the traditional temperature sensing element 333, the lead wire of the temperature sensing element 333 directly penetrates out of the shell through the first waterproof ring 326, and the lead wire of the temperature sensing element 333 penetrates out of the shell after penetrating through the first waterproof ring 326, so that water is effectively prevented from entering the shell along the lead wire.

The anti-drop assembly 34 includes a first anti-drop sleeve 341 and a second anti-drop sleeve 342, both of which are metal pieces 341 and 342. The first anti-falling sleeve 341 is sleeved on the concave step of the first anti-falling sleeve 341 fixed on the inner wall of the first installation cavity 101, and a limiting arm 3411 is formed on the first anti-falling sleeve 341 by inward punching, and the limiting arm 3411 extends obliquely upwards and is propped against the outer wall of the upper metal positioning seat 331 to form an anti-falling structure. The lower end of the second anti-drop sleeve 342 is sleeved outside the shielding ring 324, which can further enhance the shielding performance, the upper end of the second anti-drop sleeve 342 is formed with an elastic arm 3421 by outward punching, the elastic arm 3421 extends downwards in an inclined manner, and is propped against the inner wall of the first installation cavity 101 to form stable grounding contact with the shell, and form an anti-drop structure. The female power pin unit 30 can be very firmly arranged in the first mounting cavity 101 under the action of the limiting resistance of the limiting arm 3411 and the elastic arm 3421.

The female terminal signal pin unit 20 includes: the female end socket assembly 21 and the female end plug assembly 22 of the plug-in connection effectively save the cost by dividing the female end signal pin unit 20 into the female end socket assembly 21 and the female end plug assembly 22, which part is damaged and which part is replaced. The female socket assembly 21 comprises a first plastic base 211, a plurality of signal female terminal barrels 212 and two standby power terminal barrels 213; the plurality of signal female terminal barrels 212 and the two standby power supply terminal barrels 213 are all arranged on the first plastic seat 211, the signal female terminal barrels 212 and the standby power supply terminal barrels 213 are straight barrel-shaped, and torsion spring parts are arranged at the upper end and the lower end of the inner walls of the signal female terminal barrels 212 and the standby power supply terminal barrels 213. The straight tube-shape is compared with the opening of the necking shape can effectively prevent collision with the opposite inserted terminal, and then sparks are prevented from being generated, and the service life of the product is prolonged. The torsion spring part is directly formed on the signal female terminal barrel 212, and then the torsion spring part is limited by no part, so that the inner cavity of the signal female terminal barrel can be designed into a straight barrel shape, the collision with an opposite-plug terminal is effectively avoided, the spark is avoided, and the service life of a product is prolonged. The signal PIN in the female seat (vehicle end) and the male head (battery end) are respectively provided with an interlocking detection PIN, and after the vehicle end and the battery end are plugged in place, the whole system only works after detecting the PIN for the electric signal.

The female plug assembly 22 comprises a second plastic seat 221, a first branching block 222 and a plurality of plug signal terminals 223 arranged on the second plastic seat 221, one end of each plug signal terminal 223 is inserted into the corresponding signal female terminal barrel 212 and is in contact conduction with the corresponding torsion spring part, and the other end of each plug signal terminal 223 is connected with a signal wire; the first branching block 222 is disposed on the bottom surface of the second plastic seat 221, and a plurality of branching holes 2221 penetrate through the upper and lower end surfaces of the first branching block 222, and the other end of each of the plugging signal terminals 223 is clamped in the corresponding branching hole 2221. In the application, the first branching block 222 is added, the first branching block 222 orderly arranges a plurality of signal wires, after each signal wire passes through the first branching block 222, the front end of each signal wire is peeled to expose the wire core, so that each wire core is positioned at the front end surface of the first branching block 222, and the wire core is prevented from being exposed excessively long, and the first branching block 222 is clung to the rear end surface of the second plastic seat 221, namely, the exposed wire core is fully inserted into the inserting signal terminal 223, thereby solving the problem of signal crosstalk.

The female terminal ground wire unit 40 includes: a ground sleeve 41, a ground terminal 42 and a ground crown spring 43; the limiting plate 13 presses the ground wire sleeve 41 on the upper shell 11; the ground wire crown spring 43 is arranged on the upper shell 11; the ground wire terminal 42 is arranged on the ground wire sleeve 41, the upper end of the ground wire terminal 42 is arranged in the ground wire sleeve 41, and a torsion spring 44 is arranged in the inner wall of the upper end of the ground wire terminal 42. The lower end of the ground wire terminal 42 extends out of the ground wire sleeve 41 and into the ground wire crown spring 43 for contact conduction; the outer wall of the lower housing 12 is provided with a ground wire connection hole 121 for grounding the ground wire, which is more convenient to wire and can bear larger force on the housing than the conventional ground wire which is connected to the female end ground wire unit 40 and applies for the ground wire which is connected to the lower housing 12.

The male 2 comprises a male housing unit 50, a male signal pin unit 60, a male power pin unit 70 and a male ground unit 80; the male signal pin unit 60, the male power pin unit 70 and the male ground unit 80 are all provided in the male housing unit 50. The structures of the male housing unit 50 and the female housing unit 10, the male signal pin unit 60 and the female signal pin unit 20, the male power pin unit 70 and the female power pin unit 30, and the male ground unit 80 and the female ground unit 40 are substantially identical, and are not described in detail herein.

The male signal pin unit 60 comprises a male signal terminal 61 and a second anti-contact 62, an elastic hook 621 is arranged on the second anti-contact 62, and the elastic hook 621 stretches into the male signal terminal 61 to be clamped; the through groove 622 is formed in the second anti-contact 62, under the plug-in state, the cylindrical portion 3132 penetrates through the through groove 622, the through groove 622 can reduce materials under the avoidance effect, injection molding is convenient, the second anti-contact 62 can deform to a certain extent, and damage caused by hard contact of the second anti-contact 62 is avoided.

The male signal pin unit 60 further includes a spring 63, one end of the spring 63 is located on the second anti-contact 62 and located outside the elastic hook 621, and the other end of the spring 63 abuts against the end face of the male signal terminal 61. The spring 63 is designed, so that the elastic connection between the second anti-contact 62 and the plug-in end of the male signal terminal 61 is realized, and when the second anti-contact 62 collides in the plug-in process of the male signal terminal 61, the second anti-contact 62 can squeeze the spring 84 to deform, so that collision force is buffered, the problem of abrasion caused by hard collision of the second anti-contact 62 is effectively avoided, and the service life of the second anti-contact 62 is prolonged.

In one embodiment, the male head 2 and the female seat 1 are respectively provided with a foolproof structure, wherein the foolproof structure is formed by non-identical four R angles of the female end housing unit 10 and asymmetric arrangement of 4 female end power pin units 30, and the corresponding male head 2 is also arranged, so that reverse insertion is prevented.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. The new energy electricity-exchanging connector comprises a female seat and a male head, wherein the female seat is spliced with the male head; the method is characterized in that:

the female end power pin unit comprises an upper power terminal assembly, a lower power line head assembly, a positioning assembly and an anti-falling assembly; the upper end and the lower end of the female end shell unit penetrate through a first mounting cavity, the upper power terminal assembly and the lower power line head assembly are respectively arranged at the upper end and the lower end of the first mounting cavity, and the lower end of the upper power terminal assembly and the upper end of the lower power line head assembly are connected in an inserting mode; the positioning assembly is sleeved at the joint of the upper power supply terminal assembly and the lower power supply wire head assembly, and the outer wall of the positioning assembly is tightly matched with the first mounting cavity; the anti-falling assembly is clamped between the inner wall of the first installation cavity and the outer wall of the positioning assembly so as to prevent the positioning assembly from being separated from the first installation cavity by external force;

the upper power supply terminal assembly comprises an outer sleeve, an inner sleeve and a first anti-contact, wherein a limiting ring is convexly arranged on the outer wall of the outer sleeve, a limiting plate is locked in an insertion cavity of the upper shell, and the limiting plate compresses the limiting ring;

the first anti-contact is arranged in the inner sleeve and comprises a head part and a cylindrical part; teeth are arranged on the outer wall of the head, and are positioned in contact with the inner wall of the second cavity; the cylindrical part is connected to the upper end of the head part, and penetrates through the through hole to extend into the first cavity;

the lower power line head assembly comprises a wiring terminal, a power line, a line cylinder and a shielding ring; the wiring terminal head end is inserted into the second cavity and is abutted with the second crown spring; one end of the power line is connected and conducted with the wiring terminal, and the other end of the power line extends out of the lower end of the first mounting cavity; the wire barrel is sleeved outside the power wire, a wire pressing cover is arranged at the lower end opening of the first mounting cavity, the lower end of the wire barrel penetrates through the wire pressing cover, a first waterproof ring is arranged among the wire barrel, the first mounting cavity and the wire pressing cover, the inner wall and the outer wall of the first waterproof ring are all in a tooth shape, buckling feet are convexly arranged on the first waterproof ring, and the buckling feet are buckled on the wire pressing cover; the shielding ring is pressed on the outer wall of the upper end of the wire barrel;

the positioning assembly comprises an upper metal positioning seat and a lower metal positioning seat which are fixed in an up-down inserting manner, and the outer wall of the upper metal positioning seat is tightly matched with the inner wall of the first mounting cavity; a temperature sensing piece is also clamped between the inner wall of the upper metal positioning seat and the outer wall of the lower metal positioning seat, and a lead wire of the temperature sensing piece passes through the first waterproof ring;

2. The new energy power conversion connector of claim 1, wherein: the female terminal signal pin unit comprises: a female end socket assembly and a female end plug assembly which are connected in a plugging manner; the female end socket assembly comprises a first plastic seat, a plurality of signal female terminal barrels and two standby power supply terminal barrels; the signal female terminal barrels and the two standby power supply terminal barrels are arranged on the first plastic seat, the signal female terminal barrels and the standby power supply terminal barrels are straight cylinders, and torsion spring parts are arranged at the upper end and the lower end of the inner walls of the signal female terminal barrels and the standby power supply terminal;

3. The new energy power conversion connector of claim 2, wherein: the female end ground wire unit includes: the ground wire sleeve, the ground wire terminal and the ground wire crown spring; the limiting plate compresses the ground wire sleeve on the upper shell; the ground wire crown spring is arranged on the upper shell; the ground wire terminal is arranged in the ground wire sleeve, the upper end of the ground wire terminal is positioned in the ground wire sleeve, and a torsion spring is arranged in the inner wall of the upper end of the ground wire terminal; the lower end of the ground wire terminal extends out of the ground wire sleeve and extends into the ground wire crown spring to be contacted and conducted; and a ground wire wiring hole for a ground wire is formed in the outer wall of the lower shell.

4. The new energy power conversion connector according to claim 3, wherein: the male comprises a male shell unit, a male signal pin unit, a male power pin unit and a male ground wire unit; the male signal pin unit, the male power pin unit and the male ground wire unit are all arranged on the male shell unit.

5. The new energy power conversion connector of claim 4, wherein: the male signal pin unit comprises a male signal terminal and a second anti-contact, an elastic clamping hook is arranged on the second anti-contact, and the elastic clamping hook stretches into the male signal terminal to be clamped; and the second anti-contact is provided with a through groove, and the cylindrical part passes through the through groove in the plugging state.

6. The new energy power conversion connector of claim 5, wherein: the male signal pin unit further comprises a spring, one end of the spring is positioned on the second anti-contact head and positioned on the outer side of the elastic clamping hook, and the other end of the spring abuts against the end face of the male signal terminal.

7. The new energy power conversion connector of claim 5, wherein: fool-proof structures are arranged on the male head and the female seat.