CN210379629U - Connector assembly - Google Patents

Abstract

The utility model relates to an electric automobile connector field discloses a connector assembly, and it includes: the plug connector comprises a plug rubber core, a first plug terminal, a first metal sleeve and a first cable, wherein the first cable is connected to the first plug terminal, the first plug terminal is provided with a first plug part, and the plug rubber core is sleeved with the first metal sleeve; the socket connector comprises a socket rubber core, a second plug terminal, a second metal sleeve and a second cable, wherein the second cable is connected to the second plug terminal, a second plug part is arranged on the second plug terminal far away from the second cable, and the second metal sleeve is sleeved on the socket rubber core; the first plug terminal is arranged in the plug rubber core, the second plug terminal is arranged in the socket rubber core, and the second plug part can be mutually plugged with the first plug part to communicate the plug connector and the socket connector. The connector assembly can effectively shield external signal interference, has high-voltage and high-current transmission capacity, and can ensure the insulation capacity of the head rubber core and the socket rubber core.

Description

Connector assembly

Technical Field

The utility model relates to an electric automobile connector field especially relates to a connector assembly.

Background

High voltage current transmission interface connector of new forms of energy electric automobile, this connector is suitable for electric automobile like the supplementary power transmission of AC to OBC, OBC to PDU, PDU to PTC. Although the connector meets the requirements of transmitting current of 60A and voltage of 600V-1000V, the connector has the transmission capability of resisting high voltage and large current, and simultaneously meets the insulation capability between phase lines, and reliably ensures the electric shock protection performance of products (IP2 XB). However, the existing high-voltage shielded connector still has the following defects: 1. the structure is complex, and the occupied space is large; 2. increased poor contact resistance leads to increased heating; 3. the product has complex process and high cost.

Therefore, a connector assembly is needed to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connector assembly, it can shield external signal interference, guarantee good contact effectively.

To achieve the purpose, the utility model adopts the following technical proposal:

there is provided a connector assembly comprising a plug connector and a receptacle connector, the plug connector comprising: the plug comprises a plug rubber core, a first plug terminal, a first metal sleeve and a first cable, wherein the first cable is connected to the tail end of the first plug terminal;

the receptacle connector includes: the socket comprises a socket rubber core, a second plug terminal, a second metal sleeve and a second cable, wherein the second cable is connected to the tail end of the second plug terminal, one end, far away from the second cable, of the second plug terminal is provided with a second plug part in plug fit with the first plug part, and the second metal sleeve is sleeved on the outer side of the socket rubber core;

the first plug terminal is arranged in the plug rubber core, the second plug terminal is arranged in the socket rubber core, and the second plug part can be mutually plugged with the first plug part so as to communicate the plug connector and the socket connector.

As a preferred scheme of the connector assembly, one end of the plug rubber core, which is far away from the first cable, is provided with a plugging hole, the second plugging portion is exposed out of the socket rubber core, and the second plugging portion can be inserted into the plugging hole to be plugged with the first plugging portion so as to communicate the plug connector with the socket connector.

As a preferable scheme of the connector assembly, the plug connector further includes a plug outer shell, the plug outer shell is sleeved outside the first metal sleeve, and one end of the plug outer shell, which is far away from the first cable, and the first metal sleeve are arranged at intervals to form a plug slot for the socket connector to be inserted into.

As a preferable scheme of the connector assembly, the socket connector further includes a socket housing, the socket housing is sleeved outside the second metal sleeve, and the socket housing and the second metal sleeve can be partially inserted into the insertion slit; the socket shell comprises a first shell part and a second shell part which are perpendicular to each other, the first shell part and the second shell part are perpendicular to each other, the first shell part is sleeved on the outer side of the first shell part, the second shell part is sleeved on the outer side of the second shell part, a connecting flange and a first waterproof ring are arranged on the second shell part, and the first waterproof ring is located at one side, close to the second cable, of the connecting flange.

As a preferable scheme of the connector assembly, one end of the second metal sleeve, which is close to the second cable, is provided with a connecting flange and a first waterproof ring, and the first waterproof ring is located on one side of the connecting flange, which is close to the second cable.

As a preferred scheme of connector subassembly, plug connector still includes interior clamping ring and outer pressure ring, interior clamping ring cover is located the outside of first cable, outer pressure ring cover is located the outside of interior clamping ring, outer pressure ring with the interval sets up between the interior clamping ring, outer pressure ring is located in the first metal sleeve, the outside cover of outer pressure ring is equipped with first shielding and touches and indicates, first shielding touch indicate the butt in the inner wall of first metal sleeve.

As a preferred scheme of the connector assembly, the plug connector further comprises a second waterproof ring and an end cover, the second waterproof ring is sleeved on the first cable and located on one side, away from the plug rubber core, of the inner pressing ring, the outer side of the second waterproof ring is abutted against the inner wall of the first metal sleeve, and the end cover is sleeved on the first cable and fixed at the end of the first metal sleeve.

As a preferable scheme of the connector assembly, the plug connector further includes two first high-voltage interlocking terminals electrically connected to each other, and both the two first high-voltage interlocking terminals are disposed in the plug rubber core and located on both sides of the first plug terminal respectively.

As a preferred scheme of the connector assembly, the plug connector further comprises a third water prevention ring and a second shielding contact finger, the third water prevention ring and the second shielding contact finger are both sleeved on the outer side of the first metal sleeve and located in the insertion joint, the second shielding contact finger is located on one side, away from the first cable, of the third water prevention ring, the outer side of the third water prevention ring can abut against the inner wall of the socket shell or the inner wall of the second metal sleeve, and the second shielding contact finger can abut against the inner wall of the second metal sleeve.

As a preferable scheme of the connector assembly, the socket connector further includes two second high-voltage interlocking terminals electrically connected to each other, and both the two second high-voltage interlocking terminals are disposed in the socket core and located on two sides of the second plug terminal respectively.

As a preferable scheme of the connector assembly, the plug connector further includes a locking housing sleeved outside the plug housing, and the locking housing can lock the plug housing with the socket housing or the second metal sleeve.

The utility model has the advantages that: first metal sleeve and second metal sleeve can form the metal shielding layer, can shield external signal interference effectively, and first plug terminal and second plug terminal plug connection make the connector subassembly have the transmission ability of high-pressure heavy current, can guarantee good contact through the cooperation of pegging graft of spliced eye, can avoid because of the phenomenon of generating heat that contact failure arouses, the plug glues the insulating ability that core and socket glue the core and can guarantee the connector subassembly. And the connector assembly has simple structure and is practical.

Drawings

Fig. 1 is a schematic structural diagram of a plug connector provided by the present invention;

fig. 2 is a first cross-sectional view of a plug connector provided by the present invention;

fig. 3 is a second cross-sectional view of the plug connector provided by the present invention;

fig. 4 is a partial schematic structural diagram of a plug connector according to the present invention;

fig. 5 is a schematic partial structural view of a plug connector according to the present invention;

fig. 6 is a schematic partial structural view three of the plug connector provided by the present invention;

fig. 7 is a schematic structural view of the receptacle connector according to the present invention (the front end of the receptacle connector forms an included angle of 180 ° with the tail end of the receptacle connector);

fig. 8 is a cross-sectional view of the socket connector provided by the present invention (the front end of the socket connector forms an angle of 180 ° with the tail end);

fig. 9 is a schematic partial structure diagram of a first receptacle connector according to the present invention (the front end of the receptacle connector forms an included angle of 180 ° with the tail end of the receptacle connector);

fig. 10 is a schematic view of a partial structure of the receptacle connector according to the present invention (the front end of the receptacle connector forms an included angle of 180 ° with the tail end);

fig. 11 is a schematic structural view of the connector assembly provided by the present invention (the front end and the tail end of the receptacle connector form an angle of 180 °;

fig. 12 is a cross-sectional view of a connector assembly (the front end of the receptacle connector is at a 180 ° angle to the rear end) provided by the present invention.

Fig. 13 is a schematic structural view of the receptacle connector according to the present invention (the front end and the tail end of the receptacle connector form an included angle of 90 °;

fig. 14 is a schematic partial structural view of a first receptacle connector according to the present invention (the front end and the tail end of the receptacle connector form an included angle of 90 °;

fig. 15 is a schematic view of a partial structure of the receptacle connector according to the present invention (the front end of the receptacle connector forms an included angle of 90 ° with the tail end);

fig. 16 is a schematic view of a partial structure of the receptacle connector according to the present invention (the front end and the tail end of the receptacle connector form an included angle of 90 °;

fig. 17 is a schematic view of the connector assembly according to the present invention (the front end and the rear end of the receptacle connector are at an angle of 90 °;

fig. 18 is a cross-sectional view of a connector assembly (the front end of the receptacle connector is at a 90 ° angle to the rear end) provided by the present invention.

In the figure: 1. a plug connector; 11. a plug rubber core; 111. a first fastener; 1111. a first latch pin; 112. a first elastic sheet;

12. a first plug terminal; 121. a first insertion part; 122. a first clamping groove; 13. a first metal sleeve; 131. an end cap; 132. a third waterproof ring; 133. a second shielding contact finger; 134. a first anti-back gap;

14. a first cable; 141. a second waterproof ring; 15. a plug housing; 151. a locking housing; 1511. avoiding the notch; 152. an elastic locking plate;

161. an outer pressure ring; 1611. an inverted T-shaped groove; 1612. a first shielding finger; 162. an inner compression ring; 171. a first high voltage interlock terminal; 172. a cable;

2. a receptacle connector; 21. a socket rubber core; 211. a second fastener; 212. a second elastic sheet;

22. a second plug terminal; 221. a second insertion part; 222. a second clamping groove;

23. a second metal sleeve; 231. a connecting flange; 232. a first waterproof ring; 234. a second anti-back gap;

24. a second cable;

25. a socket housing; 251. a connecting flange; 252. a first waterproof ring;

271. a second high voltage interlock terminal; 272. and connecting the wires.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 18, the present embodiment discloses a connector assembly, which includes a plug connector 1 and a receptacle connector 2, wherein the plug connector 1 includes a plug rubber core 11, a first plug terminal 12, a first metal sleeve 13 and a first cable 14, the first cable 14 is connected to a tail end of the first plug terminal 12, a first plug portion 121 is disposed at an end of the first plug terminal 12 away from the first cable 14, and the first metal sleeve 13 is sleeved outside the plug rubber core 11. The socket connector 2 includes a socket rubber core 21, a second plug terminal 22, a second metal sleeve 23 and a second cable 24, the second cable 24 is connected to the tail end of the second plug terminal 22, a second plug portion 221 which is plugged and matched with the first plug portion 121 is arranged at one end of the second plug terminal 22 far away from the second cable 24, and the second metal sleeve 23 is sleeved outside the socket rubber core 21.

The first plug terminal 12 is disposed in the plug core 11, the second plug terminal 22 is disposed in the socket core 21, and the second plug portion 221 can be plugged with the first plug portion 121 to connect the plug connector 1 and the socket connector 2.

Preferably, in the present embodiment, a plugging hole is disposed at an end of the plug core 11 away from the first cable 14, the second plugging terminal 22 is partially disposed in the receptacle core 21, the second plugging portion 221 is exposed out of the receptacle core 21, and the second plugging portion 221 can be inserted into the plugging hole to be plugged with the first plugging portion 121, so as to communicate the plug connector 1 and the receptacle connector 2. In other embodiments, the first plug terminal 12 is partially disposed in the plug core 11 and the first plug portion 121 is exposed from the plug core 11, the second plug terminal 22 is disposed in the socket core 21, a plug hole is disposed at an end of the socket core 21 away from the second cable 24, and the first plug portion 121 can be inserted into the plug hole to be plugged with the second plug portion 221 so as to communicate the plug connector 1 and the socket connector 2.

As shown in fig. 1 to 7, specifically, the first cable 14 may be a multi-core cable or a single-core cable, the second cable 24 is disposed in match with the first cable 14, the number of cores in the second cable 24 is the same as that of cores in the first cable 14, and the first cable 14 and the second cable 24 are disposed in a one-to-one correspondence manner, in this embodiment, both the first cable 14 and the second cable 24 include two cores. The outer sides of the core wires of the first cable 14 and the second cable 24 are respectively coated with an insulating layer, the outer sides of all the core wires are coated with a protective layer, a shielding layer is arranged in the protective layer, the shielding layer is a braided copper mesh or a metal foil (specifically, a copper foil or an aluminum foil), the shielding layer needs to be grounded, external interference signals can be guided into the ground by the shielding layer, and information transmission of the first cable 14 and the second cable 24 is not affected.

The number of the first plug terminals 12 is the same as the number of the core wires of the first cable 14, and they are arranged in one-to-one correspondence. The number of the first plug terminals 12 is two in this embodiment, and the first accommodation holes with the number matching with the number of the first plug terminals 12 are arranged in the plug rubber core 11. As shown in fig. 5 and 6, the first plug terminal 12 is fixed in the first receiving hole, specifically, a first clamping groove 122 is provided at the outer side of the first plug terminal 12, a first fixing hole communicated with the first receiving hole is provided on the plug rubber core 11, the plug connector 1 further includes a first fastener 111, a first fastening groove is provided on the plug rubber core 11, a first clamping pin 1111 is provided on the first fastener 111, the first fastener 111 is fastened on the first fastening groove, and the first clamping pin 1111 passes through the first fixing hole and is clamped on the first clamping groove 122 of the first plug terminal 12, so as to limit the first clamping terminal in the length direction. The first metal sleeve 13 also has a limiting effect on the first fastener 111, so that the first fastener 111 cannot fall off from the plug rubber core 11.

The first plug terminal 12 is made of metal, preferably copper alloy in this embodiment, and the outer surface of the first plug terminal 12 is processed by a copper bottom silver plating process to improve the electrical conductivity and the surface heat dissipation aging protection. Both ends of the first plug terminal 12 are provided with jacks, and the core wire of the first cable 14 is fixed in the jack at the tail end of the first plug terminal 12 in a crimping manner. The first mating portion 121 is a receptacle at the front end of the first mating terminal 12.

The plug rubber core 11 is made of a plastic material which is high in dielectric grade, flame-retardant VO, high in strength and toughness, and hydrolysis-resistant PA66+ GF, and the corrosion resistance, the acid resistance, the alkali resistance and the aging resistance of the plastic material are mainly utilized. Core 11 is glued to plug has two at least first flexure strips 112 (refer to fig. 5) from its afterbody ranging back, first flexure strip 112 is injectd to two in this embodiment, two first flexure strips 112 symmetry sets up, it is protruding to be provided with the second joint in the terminal outside of first flexure strip 112, it is equipped with the protruding joint complex second joint recess of joint with the second joint to encircle at the inside wall of first metal sleeve 13, the plug glues core 11 and inserts inside back of first metal sleeve 13, the protruding meeting joint of first joint is in the second joint recess, carry out spacing fixed to first metal sleeve 13. The purpose of the annular arrangement of the second snap groove is to facilitate the assembly of the first metal sleeve 13 with other components. The front end of the plug rubber core 11 is exposed out of the first metal sleeve 13, and specifically, the first plugging portion 121 of the first plugging terminal 12, the portion of the plug rubber core 11 corresponding to the first plugging portion 121, and the portion of the front end thereof are located outside the first metal sleeve 13, so as to be conveniently plugged and matched with the receptacle connector 2.

For convenience of description, it is defined that the two first plug terminals 12 are located on the left and right side by side, optionally, the plug connector 1 further includes two first high-voltage interlocking terminals 171 electrically connected to each other, and the two first high-voltage interlocking terminals 171 are both disposed in the plug core 11 and located on the upper and lower sides of the first plug terminal 12, respectively. The two first high-voltage interlock terminals 171 are electrically connected by a cable 172. As shown in fig. 3, two first interlocking terminal jacks are arranged on the plug rubber core 11, a first anti-moving notch 134 is arranged on the side wall of each first interlocking terminal jack, a first elastic anti-moving protrusion is arranged on each first high-voltage interlocking terminal 171, and after the first high-voltage interlocking terminal 171 is inserted into the first interlocking terminal jack, the first elastic anti-moving protrusion can automatically pop out to be located in the first anti-moving notch 134, and the first elastic anti-moving protrusion can abut against the end of the first anti-moving notch 134, so that the first high-voltage interlocking terminal jack cannot automatically fall off.

Referring to fig. 3, optionally, the plug connector 1 further includes an inner compression ring 162 and an outer compression ring 161, and the outer compression ring 161 and the inner compression ring 162 are made of copper alloy. The outside of the protective layer of first cable 14 is located to interior clamping ring 162 cover, and the outside of interior clamping ring 162 is located to outer clamping ring 161 cover, and the interval sets up between outer clamping ring 161 and the interior clamping ring 162 simultaneously, and the clearance between the two can make the turn-over of first cable 14 shielding layer penetrate, and the mould crimping outer diameter side forms the riveting and switches on the shielding with frock crimping. The outer ring 161 is disposed inside the first metal sleeve 13, and a first shielding contact finger 1612 is sleeved outside the outer ring 161, and the first shielding contact finger 1612 abuts against an inner wall of the first metal sleeve 13. An inverted T-shaped groove 1611 is formed in the outer side of the outer pressure ring 161, and the first shielding contact finger 1612 is clamped in the inverted T-shaped groove 1611. The first shield finger 1612 is formed by a press bending process.

Referring to fig. 2, optionally, the plug connector 1 further includes a second waterproof ring 141 and an end cover 131, the second waterproof ring 141 is sleeved outside the protective layer of the first cable 14 and located on one side of the inner compression ring 162 away from the plug rubber core 11, a first stopping protrusion is annularly arranged on the inner wall of the first metal sleeve 13, one end of the second waterproof ring 141 close to the plug rubber core 11 abuts against the first stopping protrusion, and the first stopping protrusion has a stopping limiting effect. The outer side of the second waterproof ring 141 is pressed against the inner wall of the first metal sleeve 13, and the second waterproof ring 141 can seal a gap between the first cable 14 and the first metal sleeve 13, so that water vapor cannot enter the plug connector 1 along the first cable 14 and the first metal sleeve 13. The outer side of one end of the first metal sleeve 13 close to the first cable 14 is annularly provided with a third clamping groove, the end cover 131 is provided with a third elastic sheet, the inner side of the third elastic sheet is provided with a third clamping protrusion, the end cover 131 is sleeved on the first cable 14, and after the end cover is sleeved on the first metal sleeve 13, the third clamping protrusion is clamped in the third clamping groove to fix the end cover 131 on the first metal sleeve 13. The end cap 131 may stop foreign objects to protect the second waterproof ring 141.

Referring to fig. 1, the plug connector 1 further includes a plug housing 15, and the plug housing 15 is made of a plastic material with high dielectric grade, high flame retardant VO, high strength and toughness, and hydrolysis resistance PA66+ GF, and mainly utilizes the characteristics of corrosion resistance, acid resistance, alkali resistance and aging resistance. The plug housing 15 is sleeved outside the first metal sleeve 13, and an end of the plug housing, which is far away from the first cable 14, and the first metal sleeve 13 are provided with a plug gap at intervals. The outside of first metal sleeve 13 encircles and is equipped with fourth joint recess, and the tail end of plug shell 15 extends and is formed with a plurality of fourth flexure strips, and a plurality of fourth flexure strips are evenly arranged along plug shell 15's circumference. The inboard of the tip of fourth flexure strip is provided with the fourth joint arch, and after the outside of first metal sleeve 13 was located to plug shell 15 cover, the protruding joint of fourth joint was in fourth joint recess to be fixed in on the first metal sleeve 13 with plug shell 15.

Referring to fig. 2, optionally, the plug connector 1 further includes a third waterproof ring 132 and a second shielding contact finger 133, and the third waterproof ring 132 and the second shielding contact finger 133 are both sleeved outside the first metal sleeve 13 and are located in the insertion joint. The second shielding finger 133 is located on a side of the third waterproof ring 132 away from the first cable 14, a third annular groove is annularly disposed on an outer side of the second metal sleeve 23, the third waterproof ring 132 is partially embedded in the third annular groove, and an outer side surface of the third waterproof ring 132 is exposed in the third annular groove. The second shielding contact finger 133 is formed by processing through a stamping and bending process, an inverted "T" shaped groove is formed in the outer side wall of the second metal sleeve 23, and the second shielding contact finger 133 is embedded in the inverted "T" shaped groove, and the outer side of the second shielding contact finger is exposed out of the inverted "T" shaped groove, so that the second shielding contact finger is convenient to be matched with the socket connector 2.

As shown in fig. 7 to 10 and fig. 13 to 16, the number of the second jack terminals 22 is the same as the number of the core wires of the second cable 24, and they are arranged in one-to-one correspondence. The number of the second plug terminals 22 of this embodiment is two, and second receiving holes, which are matched with the number of the second plug terminals 22, are formed in the socket rubber core 21. Second plug terminal 22 is fixed in the second accommodation hole, specifically, be provided with second joint groove 222 in the outside of second plug terminal 22, set up the second fixed orifices with second accommodation hole intercommunication on core 21 is glued to the socket, socket connector 2 still includes second fastener 211, be provided with the second catching groove on core 21 is glued to the socket, be provided with the second joint round pin on second fastener 211, second fastener 211 detains on the second catching groove, the second joint round pin passes second fixed orifices joint on second joint groove 222 of second plug terminal 22, carry out length direction's spacing to the second joint terminal. Each second plug terminal 22 is provided with a second fastener 211, and the two second fasteners 211 are symmetrically arranged. The second metal sleeve 23 also has a limiting effect on the second fastener 211, so that the second fastener 211 cannot fall off from the socket rubber core 21.

The second plug terminal 22 is made of metal, preferably copper alloy in this embodiment, and the outer surface of the second plug terminal 22 is processed by a copper bottom silver plating process to improve the electrical conductivity and the surface heat dissipation aging protection. The tail end of the second plug terminal 22 is provided with a plug hole, the front end is a second plug part 221, and the second plug part 221 is exposed out of the front end of the socket rubber core 21. The core wire of the second cable 24 is fixed in the insertion hole of the second jack terminal 22 by crimping.

The socket rubber core 21 is made of a plastic material with high dielectric grade, flame retardant VO high strength and toughness and hydrolysis resistance PA66+ GF, and the corrosion resistance, acid resistance, alkali resistance and aging resistance of the plastic material are mainly utilized. Core 21 is glued to socket has two at least second flexure strips 212 from its afterbody ranging back, two in this embodiment, two second flexure strips 212 symmetry sets up, it is protruding to be provided with the second joint in the outside of the end of second flexure strip 212, be provided with on the inside wall of second metal sleeve 23 with the protruding joint complex second joint recess of second joint, core 21 is glued to socket inserts behind second metal sleeve 23 is inside, the protruding meeting joint of second joint is in second joint recess, carry on spacing fixedly to second metal sleeve 23. The socket rubber core 21 is completely located in the second metal sleeve 23, after the plug connector 1 is plugged with the socket connector 2, the portion of the plug rubber core 11 exposed to the first metal sleeve 13 is inserted into the second metal sleeve 23, and the second plugging portion 221 is inserted into the first plugging portion 121 to connect the socket connector 2 and the plug connector 1. The front end of the second metal sleeve 23 is sleeved on the outer side of the first metal sleeve 13, and the outer side of the second shielding contact finger 133 abuts against the inner wall of the second metal sleeve 23 to electrically connect the first metal sleeve 13 and the second metal sleeve 23, so that the second metal sleeve 23 is conducted with the shielding layer of the first cable 14.

For convenience of description, it is defined that the two second plug terminals 22 are located on the left and right side by side, and optionally, the receptacle connector 2 further includes two second high-voltage interlocking terminals 271, where the two second high-voltage interlocking terminals 271 are both disposed in the receptacle rubber core 21 and located on the upper and lower sides of the second plug terminal 22, respectively. The tail of the second high-voltage interlock terminal 271 is connected with a connection line 272. Be provided with two second interlocking terminal jacks on socket glue core 21, be provided with the second on the lateral wall of second interlocking terminal jack and prevent moving back breach 234, be provided with the second elasticity on the second high pressure interlocking terminal 271 and prevent moving back the arch, second high pressure interlocking terminal 271 inserts in second interlocking terminal jack after, the arch can auto-eject and be located the second and prevent moving back breach 234 is prevented to the second elasticity, the arch can the butt in the second prevents moving back the tip of breach 234 is prevented to the second elasticity is prevented moving back, make it can not drop by oneself. The front end of the first high-voltage interlock terminal 171 is provided with a plug hole capable of allowing the second high-voltage interlock terminal 271 to be inserted, and when the plug connector 1 is mated with the receptacle connector 2, the front end of the second high-voltage interlock terminal 271 can be inserted into the plug hole of the first high-voltage interlock terminal 171 to connect the first high-voltage interlock terminal 171 and the second high-voltage interlock terminal 271. The first high voltage interlock terminal 171 and the second high voltage interlock terminal 271 cooperate to provide the connector assembly with good shock protection.

In order to match different use places, the socket connector 2 mainly has two forms, one is that the front end and the tail end of the socket connector 2 form an included angle of 180 degrees, and the other is that the included angle is 90 degrees. The socket connector 2 is provided with two forms, so that the application places are increased, and the connector assembly is flexible and practical.

In the form of the socket connector 2 with an included angle of 180 ° as shown in fig. 7-12, the front end of the second metal sleeve 23 has a relatively long length, so that the outer side of the third waterproof ring 132 is pressed against the inner wall of the second metal sleeve 23, so that the third waterproof ring 132 can seal the connection gap between the socket connector 2 and the plug connector. One end of the second metal sleeve 23 close to the second cable 24 is provided with a connecting flange 231 and a first waterproof ring 232, and the first waterproof ring 232 is located on one side of the connecting flange 231 close to the second cable 24. The connection flange 231 fixes the socket connector 2 to the electronic device through bolts or screws, and the first waterproof ring 232 can seal the gap between the socket connector 2 and the electronic device, so that water vapor cannot enter the socket connector 2 and the electronic device along the gap between the two.

As shown in fig. 13-18, the socket connector 2 with an included angle of 90 degrees further includes a socket housing 25 in this form, the socket housing 25 is made of a plastic material with high dielectric grade, high strength and toughness of flame retardant VO and hydrolysis resistance PA66+ GF, and the characteristics of corrosion resistance, acid resistance, alkali resistance and aging resistance are mainly utilized. The socket housing 25 is sleeved on the outer side of the second metal sleeve 23, one end of the socket housing 25, which is far away from the second cable 24, protrudes out of the second metal sleeve 23, the other end of the socket housing also protrudes out of the second metal sleeve 23, namely, the whole second metal sleeve 23 is embedded in the inner side of the socket housing 25, and the socket housing 25 and the second metal sleeve 23 can be inserted into the insertion joint. After the plug connector 1 is plugged into the receptacle connector 2, the outer side of the third waterproof ring 132 can be pressed against the inner wall of the receptacle housing 25. The outer side wall of the second metal sleeve 23 is provided with a limiting groove, and when the socket shell 25 is formed in an injection molding mode, a limiting bulge embedded in the limiting groove is formed on the inner side wall of the socket shell 25 so as to fix the socket shell 25 on the outer side of the second metal sleeve 23.

The second metal sleeve 23 includes a first sleeve portion and a second sleeve portion perpendicular to each other, the socket housing 25 includes a first housing portion and a second housing portion perpendicular to each other, the first housing portion is sleeved on the outer side of the first sleeve portion, the second housing portion is sleeved on the outer side of the second sleeve portion, a connecting flange 251 and a first waterproof ring 252 are disposed on the second housing portion, and the first waterproof ring 252 is disposed on one side of the connecting flange 251 close to the second cable 24. The connecting flange 251 fixes the socket connector 2 to the electronic device through bolts or screws, and the first waterproof ring 252 can seal the gap between the socket connector 2 and the electronic device, so that water vapor cannot enter the socket connector 2 and the electronic device through the gap between the socket connector 2 and the electronic device. The connection flange 251 is provided with a connection hole, and a metal screw hole sleeve is embedded in the connection hole to increase the connection strength between the socket housing 25 and the electrical device.

The plug comprises a plug housing 15, two elastic locking pieces 152 are arranged on the side wall of the plug housing 15, specifically, two mounting grooves are symmetrically arranged on the side wall of the plug housing 15, the two elastic locking pieces 152 are respectively arranged in the two mounting grooves, and the non-end part of the elastic locking piece 152 is connected with the plug housing 15. The inboard that the one end was kept away from first cable 14 to elastic locking piece 152 is provided with the hasp arch, the socket connector 2 of 180 contained angles, be provided with in the outside of second metal sleeve 23 with the protruding matched with fore shaft groove of hasp, the socket connector 2 of 90 contained angles, be provided with in the outside of socket shell 25 with the protruding matched with fore shaft groove of hasp. After the plug connector 1 is mated with the receptacle connector 2, the latching protrusions can be engaged in the latching slots to fix the two.

As shown in fig. 1, 11, 12, 17 and 18, the plug connector 1 further includes a locking housing 151 disposed outside the plug housing 15, and the locking housing 151 can lock the plug housing 15 and the receptacle housing 25. The tail end symmetry of locking shell 151 is provided with two and dodges breach 1511, dodges breach 1511 and corresponds the setting with elastic locking piece 152, and locking shell 151 can rotate on plug housing 15, and when dodging breach 1511 and elastic locking piece 152 coincidence, just can press down elastic locking piece 152 and not set up the bellied one end of hasp and make the hasp arch break away from the fore shaft groove, with plug connector 1 and the separation of socket connector 2. The inner wall of the locking shell 151 is provided with a mistake-proofing boss, the side wall of the plug shell 15 is provided with an arc-shaped groove, and the mistake-proofing boss can slide in the arc-shaped groove. Pound still be provided with the elasticity hasp piece on the locking shell 151, the inboard of elasticity hasp piece is provided with the locking arch, be provided with on socket shell 25 with the protruding matched with arc locked groove of locking, still be provided with the breach on locking shell 151, the breach closes on the arc locked groove setting, can provide a buffer position when locking shell 151 assembles on plug housing 15, and when the locking is protruding in the breach, dodge breach 1511 and just can coincide with elastic locking plate 152, press down elastic locking plate 152 and not set up the bellied one end of hasp and make the hasp arch break away from the locked groove, with plug connector 1 and the separation of socket connector 2. When the locking protrusion is located in the arc-shaped locking groove, the locking housing 151 at least partially covers the outer side of the elastic locking piece 152, and the locking protrusion cannot be separated from the locking notch groove.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. Connector assembly comprising a plug connector (1) and a socket connector (2), characterized in that:

the plug connector (1) comprises: the plug comprises a plug rubber core (11), a first plug terminal (12), a first metal sleeve (13) and a first cable (14), wherein the first cable (14) is connected to the tail end of the first plug terminal (12), a first plug part (121) is arranged at one end, away from the first cable (14), of the first plug terminal (12), and the first metal sleeve (13) is sleeved on the outer side of the plug rubber core (11);

the receptacle connector (2) includes: the socket comprises a socket rubber core (21), a second plug terminal (22), a second metal sleeve (23) and a second cable (24), wherein the second cable (24) is connected to the tail end of the second plug terminal (22), one end, far away from the second cable (24), of the second plug terminal (22) is provided with a second plug part (221) in plug fit with the first plug part (121), and the second metal sleeve (23) is sleeved on the outer side of the socket rubber core (21);

the first plug terminal (12) is arranged in the plug rubber core (11), the second plug terminal (22) is arranged in the socket rubber core (21), and the second plug part (221) can be plugged with the first plug part (121) to communicate the plug connector (1) and the socket connector (2).

2. The connector assembly according to claim 1, wherein an end of the plug rubber core (11) away from the first cable (14) is provided with a plugging hole, the second plugging portion (221) is exposed from the socket rubber core (21), and the second plugging portion (221) can be inserted into the plugging hole to be plugged with the first plugging portion (121) so as to communicate the plug connector (1) and the socket connector (2).

3. The connector assembly according to claim 2, wherein the plug connector (1) further comprises a plug outer shell (15), the plug outer shell (15) is sleeved outside the first metal sleeve (13), and one end of the plug outer shell (15) far away from the first cable (14) is spaced from the first metal sleeve (13) to form a plug slot for inserting the socket connector (2).

4. The connector assembly according to claim 3, wherein the receptacle connector (2) further comprises a receptacle housing (25), the receptacle housing (25) is sleeved outside the second metal sleeve (23), and the receptacle housing (25) and the second metal sleeve (23) can be partially inserted into the insertion slit;

the socket shell (25) comprises a first shell part and a second shell part which are perpendicular to each other, the first shell part is sleeved on the outer side of the first sleeve part, the second shell part is sleeved on the outer side of the second sleeve part, a connecting flange (231) and a first waterproof ring (232) are arranged on the second shell part, and the first waterproof ring (232) is located on one side, close to the second cable (24), of the connecting flange (231).

5. Connector assembly according to claim 4, characterized in that the end of the second metal sleeve (23) close to the second cable (24) is provided with a connecting flange (231) and a first watertight ring (232), the first watertight ring (232) being located on the side of the connecting flange (231) close to the second cable (24).

6. The connector assembly according to claim 4, wherein the plug connector (1) further comprises an inner compression ring (162) and an outer compression ring (161), the outer side of the first cable (14) is sleeved with the inner compression ring (162), the outer side of the inner compression ring (162) is sleeved with the outer compression ring (161), the outer compression ring (161) and the inner compression ring (162) are arranged at intervals, the outer compression ring (161) is located in the first metal sleeve (13), a first shielding contact finger (1612) is sleeved on the outer side of the outer compression ring (161), and the first shielding contact finger (1612) abuts against the inner wall of the first metal sleeve (13).

7. The connector assembly according to claim 6, wherein the plug connector (1) further comprises a second waterproof ring (141) and an end cap (131), the second waterproof ring (141) is sleeved on the first cable (14) and located on one side of the inner pressing ring (162) far away from the plug rubber core (11), the outer side of the second waterproof ring (141) abuts against the inner wall of the first metal sleeve (13), and the end cap (131) is sleeved on the first cable (14) and fixed at the end of the first metal sleeve (13).

8. The connector assembly according to claim 6, wherein the plug connector (1) further comprises two first high-voltage interlocking terminals (171) electrically connected to each other, and the two first high-voltage interlocking terminals (171) are disposed in the plug rubber core (11) and located on two sides of the first plug terminal (12), respectively.

9. The connector assembly according to claim 6, wherein the plug connector (1) further comprises a third waterproof ring (132) and a second shielding contact finger (133), the third waterproof ring (132) and the second shielding contact finger (133) are both sleeved on the outer side of the first metal sleeve (13) and are located in the insertion seam, the second shielding contact finger (133) is located on one side of the third waterproof ring (132) away from the first cable (14), the outer side of the third waterproof ring (132) can abut against the inner wall of the socket housing (25) or the second metal sleeve (23), and the second shielding contact finger (133) can abut against the inner wall of the second metal sleeve (23).

10. The connector assembly according to claim 8, wherein the socket connector (2) further comprises two second high-voltage interlocking terminals (271), the two second high-voltage interlocking terminals (271) are disposed in the socket rubber core (21) and located on two sides of the second plug terminal (22), respectively, the second high-voltage interlocking terminals (271) can be plugged and connected with the first high-voltage interlocking terminals (171), and the tail portions of the second high-voltage interlocking terminals (271) are connected with connecting wires (272);

the plug connector (1) further comprises a locking shell (151) sleeved on the outer side of the plug shell (15), and the plug shell (15) can be locked and connected with the socket shell (25) or the second metal sleeve (23) through the locking shell (151).

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