High-voltage shielding plug connector

Abstract

The utility model relates to the technical field of electric connectors, and discloses a high-voltage shielding plug connector, which comprises an insulating main body and a terminal assembly arranged in the insulating main body, a first surface of the insulating main body is detachably connected with a wire cover, a handle part is hinged on the insulating main body, and the handle part comprises a binding part. A matching surface is formed on one side, back to the insulating main body, of the wire cover, a limiting and locking part is arranged on the side edge of the matching surface, and the limiting and locking part limits the binding part when the binding part rotates to the matching surface and releases limitation when being pressed. Through the arrangement of the handle part and the cooperative use of the binding part and the limiting and locking part, the handle part can be locked by the limiting and locking part to fix the wire cover after rotating to the matching surface, when the locking of the wire cover needs to be released, the wire cover can be unlocked by pressing the limiting and locking part, violent disassembly is not needed, and the service life of the wire cover and the handle part is prolonged.

Description

Technical Field

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

[0002] Electrical connectors are widely used in electronics, electrical appliances, and instrumentation. They bridge blocked or disconnected circuits within a circuit, carrying out the task of transmitting current or signals. They can be used in conjunction with connectors to create board-to-wire connections, or independently for board-to-board connections. Electrical connectors are widely used in various fields, such as automobiles, electric vehicles, and other motor vehicles, to connect various electrical components.

[0003] Plugs are a key component of electrical connectors. They are used to connect two electronic devices and are typically used in conjunction with a socket to transmit current or signals. High-voltage shielded plugs offer shielding capabilities, effectively preventing electromagnetic interference and signal leakage. These plugs are typically enclosed in an insulating shell to prevent leakage or short circuits when transmitting high-voltage current. Internally, they contain a terminal structure for current transmission. Once installed, one end of the terminal structure mates with a complementary terminal, while the other end connects to a wire, such as a cable. Some high-voltage shielded plugs require the wire to be oriented in a certain direction and bent. To address this, a wire cap is added to the insulating shell. These two components work together to securely secure and maintain consistent orientation. The insulating shell provides a mounting base for the wire cap, while its specialized design confines the wire to a predetermined position and ensures consistent exit from the desired direction. This collaborative mechanism not only improves connection reliability but also makes the plug more compact and aesthetically pleasing. The handle piece is usually designed to be hinged on the insulating housing, and the wire cover is fixed by rotational movement. During the fixing process, the handle piece will rotate around its hinge point and gradually tighten on the wire cover. At this time, the protrusion provided on the wire cover will interact with the corresponding structure on the handle piece to form a clamping effect, thereby firmly fixing the wire cover. This fixing mechanism is simple and effective, and can quickly achieve the fixing and releasing operations of the wire cover. However, when it is necessary to release the fixation of the handle piece to the wire cover, the direction of the protrusion structure is opposite to the release direction, which results in a large amount of force being required to subject the handle piece to hard squeezing of the protrusion in order to release the connection. Violent removal can easily cause the contact part of the handle piece and the protrusion to deform, resulting in a poor fixing effect. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a high-voltage shielded plug connector to solve the problem of troublesome installation and removal of the wire cover.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a high-voltage shielded plug connector including an insulating body and a terminal assembly installed in the insulating body, a linear connection object is inserted into the insulating body from a first surface of the insulating body to be connected to the terminal assembly, a wire cover provided on the first surface of the insulating body is detachably connected to the first surface of the insulating body, a handle part is hinged on the insulating body, the handle part includes a restraining part, a mating surface is formed on the side of the wire cover facing away from the insulating body, a limiting locking part is provided on the side of the mating surface, the limiting locking part restrains the restraining part when the restraining part is rotated to the mating surface and releases the restriction when pressed, so that the unlocking can be completed by pressing the limiting locking part when it needs to be released, thereby avoiding violent disassembly.

[0006] Furthermore, the insulating body has a first side wall and a second side wall respectively adjacent to the first surface along the Y-axis direction, and the first side wall and the second side wall are arranged opposite to each other. The handle part also includes wing plates extending from the opposite sides of the binding part along the plug-in direction, and the middle parts of the two wing plates are respectively rotatably connected to the first side wall and the second side wall, so that the binding part can be rotated to be close to the mating surface or away from the mating surface, thereby realizing installation and disassembly.

[0007] Furthermore, the binding portion includes a top plate connected to the two wing plates; the limiting locking portion includes a fixed block and an elastic card block arranged on both side edges of the mating surface along the X-axis direction, and a receiving groove for the elastic card block to be inserted into when being squeezed is provided on the outer wall of the wire cover between the mating surface and the elastic card block. When the top plate rotates, it passes through and squeezes the elastic card block so that the top plate passes through the receiving groove until it rotates to the mating surface, and the elastic card block abuts against the top plate to achieve a detachable connection.

[0008] Furthermore, a swinging groove for the wing plate to swing is formed on the first side wall and the second side wall, and the swinging groove is open on the side away from the mating surface. A rotating shaft rotatably connected to the middle of the wing plate is protruded in the middle of the swinging groove, and a first stop protrusion and a second stop protrusion are respectively protruded on both sides of the swinging groove distributed along the X-axis direction. A protrusion is protruded on the inner side wall of the wing plate and on the side of the swinging groove away from the wire cover toward the insulating body. When the protrusion is close to the first stop protrusion, the restraining portion is engaged with the mating surface. When the protrusion is close to the second stop protrusion, the restraining portion is away from the mating surface, thereby limiting the rotation angle of the wall plate.

[0009] Furthermore, a support point is provided on the inner wall of one side of the two wing plates close to the binding portion, which contacts the outer wall of the wire cover when the wing plates rotate, thereby ensuring the stability of the wing plates.

[0010] Furthermore, the wire cover is connected to the insulating body via a sliding connection structure, which enables the wire cover to be installed and removed from the insulating body along the X-axis direction, thereby increasing the firmness between the wire cover and the insulating body and making the connection more stable.

[0011] Furthermore, a limiting structure for limiting the movement of the terminal assembly along the plugging direction is inserted into the insulating body to limit the terminal assembly and improve the stability of the terminal assembly in use.

[0012] Furthermore, the limiting structure includes a main body and a limiting portion extending from the main body along the X-axis direction, and the terminal assembly is provided with a limiting portion that enables the limiting portion to limit the movement of the terminal assembly along the plugging direction, thereby limiting the terminal assembly.

[0013] Furthermore, the insulating body includes a main shell, a back cover and a front cover, a first mounting structure for the first connecting end of the terminal assembly to pass through is formed in the main shell, an enclosing cavity is formed on the first surface of the main shell, the back cover is installed in the enclosing cavity, the handle is hinged on the main shell, and the wire cover is connected to the main shell to block the open side of the enclosing cavity; a second mounting structure for the linear connection object to pass through along the plugging direction to pass through the first mounting structure is formed on the back cover, a wire sealing body for sealing the enclosing cavity is provided in the enclosing cavity and between the back cover and the first mounting structure, and a third mounting structure for the linear connection object to pass through is provided on the wire sealing body; the front cover is detachably connected to the second surface of the main shell, and a fourth mounting structure for the second connecting end of the terminal assembly to pass through is provided on the front cover, thereby achieving additional protection for the terminal assembly and the linear connection object.

[0014] Furthermore, a positioning structure is provided on the outer wall of the back cover for pressing against the inner wall of the surrounding cavity to limit the movement of the back cover in the Y-axis direction and the X-axis direction, thereby improving the overall stability.

[0015] The high-voltage shielded plug connector of the present invention has at least the following beneficial effects: by providing a handle portion, and by the cooperation between the binding portion and the limiting locking portion, the handle portion can be locked by the limiting locking portion to fix the wire cover after being rotated to the mating surface; when the wire cover needs to be released, it can be unlocked by pressing the limiting locking portion without the need for violent removal, thereby improving the service life of the wire cover and the handle portion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1It is a structural diagram of the utility model;

[0018] Figure 2 This is a structural diagram of the utility model from another angle;

[0019] Figure 3 It is a partial front view of the utility model;

[0020] Figure 4 for Figure 3 Partial cross-sectional view along AA direction;

[0021] Figure 5 For this utility model Figure 3 Frontal cross-sectional view taken along the mid-BB direction;

[0022] Figure 6 This is an exploded view of the utility model;

[0023] Figure 7 This is an exploded view of the plug connector of the present invention from another angle;

[0024] Figure 8 This is a schematic diagram of the matching structure of the limiting structure and the terminal assembly of the utility model;

[0025] Figure 9 It is a structural schematic diagram of the limiting structure of the utility model.

[0026] The meanings of the reference numerals in the accompanying drawings are:

[0027] Insulating body 1; positioning groove 11; main housing 12; surrounding side plate 121; clamping block 122; first mounting structure 123; first square body 1231; first mounting hole 1232; sealing ring 1233; first side wall 1241; surrounding section 125; front cover 13; fourth mounting structure 131; fourth square body 1311; fourth mounting hole 1312; support plate section 13111; raised plate section 13112; platform section 13113; surrounding secondary side plate 132; mounting groove 14; first groove section 141; notch 142; mounting section 14 3; second groove section 144; slide groove 145; limiting groove 146; tooth groove portion 1461; rear cover 15; second mounting structure 151; second square body 1511; second mounting hole 1512; positioning structure 152; glue reducing groove 1521; first protrusion 1522; second protrusion 1523; third protrusion 1524; sealing body 16; sealing protrusion 161; third mounting structure 162; third square body 1621; third mounting hole 1622; swing groove 171; rotating shaft 172; first stop protrusion 173; second stop protrusion 174;

[0028] Terminal assembly 2; first terminal 2a; second terminal 2b; first connection end 21; wire holding arm 211; restricted portion 22; second connection end 23; plug-in port 24; first elastic piece 25; second elastic piece 26; first convex bump 27;

[0029] Limiting structure 3; main body 31; limiting baffle 311; limiting portion 32; extension arm 321; sliding protrusion 3211; anti-rotation protrusion 3212; edge extension arm 3213; enclosure 3214; avoidance hole 3215; tooth 3216; locking slot 322; gathering portion 3221; first limiting area 3222; second limiting area 3223;

[0030] Wire cover 4; open side 41; inclined side 42; mating surface 43; limiting locking portion 44; fixing block 441; elastic block 442; storage slot 443;

[0031] Handle portion 5; restraining portion 51; top plate 511; elastic portion 512; stopper 513; wing plate 52; first protrusion 521; second protrusion 522; wing foot 523; sliding hole 524; opening end 5241;

[0032] Sliding connection structure-6; slide groove portion-61; second protrusion-611; end block-612; slide rail portion-62. DETAILED DESCRIPTION

[0033] The present invention will be further described below with reference to the accompanying drawings.

[0034] like Figures 1 to 9As shown, the high-voltage shielded plug connector of the present invention includes an insulating body 1, a terminal assembly 2 installed in the insulating body 1, a wire cover 4 detachably connected to the first surface of the insulating body 1, a handle 5 hinged on the insulating body 1, and a limiting structure 3 inserted on the insulating body 1. The insulating body 1 provides protection for the terminal assembly 2. The terminal assembly 2 has a first connecting end 21 and a second connecting end 23. The linear connection penetrates the insulating body 1 from the first surface of the insulating body 1 to connect to the first connecting end 21 of the terminal assembly 2, thereby providing power transmission to the terminal assembly 2. The second connecting end 23 of the terminal assembly 2 is used to mate with a complementary connector to achieve Electrical signal transmission between the plug connector and the complementary connector; the wire cover 4 provides protection for the rear end of the insulating body 1, and enables the linear connection connected to the terminal assembly 2 to extend from one direction to facilitate the arrangement of the linear connection; the handle portion 5 is used to fix the wire cover 4 by rotating, thereby limiting the wire cover 4 in the plug-in direction and improving the connection firmness between the wire cover 4 and the insulating body 1; the limiting structure 3 is used to limit the terminal assembly 2 so that the terminal assembly 2 cannot move in the plug-in direction, thereby preventing the terminal assembly 2 from moving and loosening during the plug-in process, ensuring the stability of the terminal assembly 2, ensuring the normal use of the terminal assembly 2, reducing the number of maintenance times, and reducing costs.

[0035] In this embodiment, the insulating body 1 includes a main shell 12, a rear cover 15, a wire sealing body 16 and a front cover 13. The terminal assembly 2 is installed between the main shell 12 and the front cover 13. The linear connection object is passed through the rear cover 15 and the wire sealing body 16 and is connected to the terminal assembly 2 in the main shell 12. The limiting structure 3 is inserted into the main shell 12. The main shell 12, the front cover 13 and the rear cover 15 are all used to provide protection for the terminal assembly 2 and the linear connection object. The wire sealing body 16 provides a sealed environment for the installation of the terminal assembly 2 in the main shell 12 to prevent water from entering the main shell 12 and affecting the use of the terminal assembly 2.

[0036] In the content defined in this embodiment, the main housing 12 is made of plastic injection molding, and a first mounting structure 123 for the first connecting end 21 of the terminal assembly 2 to be inserted therein is formed in the main housing 12. The first mounting structure 123 includes a first square body 1231 in a square block structure and a plurality of first mounting holes 1232 extending through the first square body 1231 along the plugging direction. The plurality of first mounting holes 1232 are arranged in a rectangular array on the first square body 1231, and each first mounting hole 1232 is cylindrical and has a diameter that matches the first connecting end 21 of the terminal assembly 2, so that the first connecting end 21 can be inserted into the first mounting hole 1232. In order to ensure the sealing of the main housing 12 when connected to a complementary connector, a sealing ring 1233 is provided around the outer periphery of the first square body 1231. The first surface of the first square body 1231 of the main housing 12 is enclosed by a hollow enclosure section 125 that is open toward the wire cover 4. This enclosure section 125 extends from the edge of the first surface of the first square body 1231 along the insertion direction toward the side away from the second surface, forming an enclosure cavity with a hollow interior and an open first surface. The wire sealing body 16 and the back cover 15 are both installed within the enclosure cavity, so that the enclosure section 125 provides support and protection for the wire sealing body 16 and the back cover 15. The main housing 12 of the insulating body 1 has a first side wall 1241 and a second side wall adjacent to the first surface along the Y-axis, and the first side wall 1241 and the second side wall are arranged opposite each other.

[0037] In the content defined in this embodiment, the back cover 15 is made of plastic injection molding, and the back cover 15 includes a second mounting structure 151 for the linear connector to pass through along the plug-in direction to penetrate into the first mounting structure 123. The second mounting structure 151 includes a second square body 1511 in a square block structure and a plurality of second mounting holes 1512 that pass through the second square body 1511 along the plug-in direction. The number of the second mounting holes 1512 is the same as the number of the first mounting holes 1232 and are arranged in a rectangular array on the second square body 1511. The first mounting holes 1232 and the second mounting holes 1512 overlap and are aligned with each other in the plug-in direction to correspond to each other. The linear connector passes through the first mounting hole 1232 from outside the main shell 12 into the second mounting hole 1512 so as to be able to connect to the first connection end 21. In this embodiment, after the second square body 1511 is installed in the inner cavity of the surrounding section 125, there is a gap between the side walls of the second square body 1511 and the inner wall of the surrounding section 125, so that the second square body 1511 can be movably inserted into the inner cavity of the surrounding section 125 for easy installation. In order to avoid the back cover 15 from shaking after installation and causing a large amount of friction between the main shell 12 and the linear connection, thereby causing wear and reducing the service life, a positioning structure 152 is provided on the outer wall of the back cover 15 for pressing against the inner wall of the surrounding section 125 to limit the movement of the back cover 15 in the Y-axis and X-axis directions. In this embodiment, the positioning structure 152 includes a glue reduction groove 1521 recessed on two opposite side walls of the second square body 1511, a first protrusion 1522 protruding from the inner walls of the two glue reduction grooves 1521 facing away from each other, and a second protrusion 1523 protruding on the other two opposite side walls of the second square body 1511. The two glue reduction grooves 1521 are open on one side facing away from each other, and one side of the first surface of the two glue reduction grooves 1521 is open, and the first protrusion 1522 is flush with one side of the notch 142 of the glue reduction groove 1521 to achieve a glue reduction effect. The positioning structure 152 also includes a third protrusion 1524 protruding in opposite directions on one side of the second surface of the two glue reducing grooves 1521. The third protrusion 1524 is wedge-shaped, or a guiding arc surface is formed on one side of the second surface of the third protrusion 1524. The first protrusions 1522 on both sides abut against the inner wall of the enclosed cavity when the back cover 15 is installed in the enclosed cavity; at least two third protrusions 1524 are provided in each side of the glue reducing groove 1521, and the third protrusions 1524 in the glue reducing grooves 1521 on both sides are arranged in a mirror image, so that the third protrusion 1524 and the second protrusion 1523 achieve stable support through contact with the inner wall of the enclosed cavity after the second square body 1511 is installed in the enclosed cavity.When the two glue reduction grooves 1521 are on both sides of the second square body 1511 along the X-axis, the third protrusion 1524 limits the second square body 1511's movement in the X-axis direction and the rotational freedom in the plug-in direction, while the second protrusion 1523 limits the freedom in the Y-axis direction. When the two glue reduction grooves 1521 are on both sides of the second square body 1511 along the Y-axis, the third protrusion 1524 limits the second square body 1511's rotational freedom in the Y-axis direction and the plug-in direction, while the second protrusion 1523 limits the freedom in the X-axis direction, achieving more comprehensive positioning. It should be noted that the first surface and the second surface in the present invention both refer to the two opposite sides of each component in the plug-in direction. Therefore, each component has a first surface and a second surface.

[0038] In the context of this embodiment, there is a gap between the side wall of the rear cover 15 and the inner wall of the enclosed cavity. The present invention is used in an automobile environment where moisture and other conditions may exist. Therefore, if moisture enters the first mounting hole 1232 and contacts the terminal assembly 2, it may cause a short circuit and other conditions, which is not conducive to safe use. Therefore, a sealing body 16 is provided. The sealing body 16 can be made of a semi-rigid elastic material such as rubber and is disposed in the enclosed cavity between the rear cover 15 and the first mounting structure 123. A sealing protrusion 161 is provided around the side wall of the sealing body 16. After the sealing body 16 is installed in the enclosed cavity, the sealing protrusion 161 is pressed against the inner wall of the enclosed cavity to seal the enclosed cavity. In this embodiment, the wire sealing body 16 includes a third mounting structure 162 for allowing the linear connector to pass through. The third mounting structure 162 comprises a square-shaped third body 1621 and a plurality of third mounting holes 1622 formed through the third body 1621 along the insertion direction. The number and position of each third mounting hole 1622 are aligned with the first mounting holes 1232 and the second mounting holes 1512. Therefore, after the wire sealing body 16 and the back cover 15 are installed in the enclosed cavity, the first mounting holes 1232, the second mounting holes 1512, and the third mounting holes 1622 overlap and align in the insertion direction. The first mounting holes 1232, the second mounting holes 1512, and the third mounting holes 1622 together form a first insertion hole segment, which is used to mount the first connecting segment and the linear connector.

[0039] In the context of this embodiment, the front cover 13 is removably attached to the second surface of the main housing 12, facilitating connection between the main housing 12 and the front cover 13, while also facilitating installation and removal of the terminal assembly 2. The front cover 13 includes a fourth mounting structure 131 for receiving the second connection end 23 of the terminal assembly 2. The fourth mounting structure 131 includes a fourth square body 1311 in a square configuration and a plurality of fourth mounting holes 1312 formed in the fourth square body 1311. The number and location of the fourth mounting holes 1312 are identical to those of the first mounting holes 1232, so that when the front cover 13 is attached to the second surface of the main housing 12, the first mounting holes 1232 and the fourth mounting holes 1312 overlap and align in the insertion direction. The fourth mounting holes 1312 are defined as a second insertion hole segment, into which the second connection end 23 of the terminal assembly 2 is mounted. The first and second insertion hole segments together form an assembly cavity, into which the terminal assembly 2 is inserted along the insertion direction. In order to facilitate the connection between the front cover 13 and the main shell 12 without affecting the installation of the limiting structure 3, and also to facilitate the disassembly of the limiting structure 3, side panels 121 are formed on the second surface of the main shell 12 along both sides of the X-axis and extending along the plug-in direction, and an installation groove 14 for installing the limiting structure 3 is formed between the two side panels 121. In order to facilitate the connection between the front cover 13 and the main shell 12, the fourth square body 1311 includes a support plate section 13111 and a protruding plate section 13112 protruding from the support plate section 13111 toward one side of the main shell 12. The length and width of the support plate section 13111 are consistent with the length (length along the X-axis) and width (length along the Y-axis) of the second surface of the main shell 12. The fourth mounting hole 1312 is formed on the protruding plate section 13112 and passes through the support plate section 13111 along the plug-in direction. A step 13113 protruding along the X-axis direction is formed on both sides of the support plate section 13111 corresponding to the two surrounding side panels 121 relative to the protruding plate section 13112. During installation, the protruding plate section 13112 is passed through the two surrounding side panels 121 until the two steps 13113 abut against the two surrounding side panels 121. A card block 122 is protruded from the second surface of the two surrounding side panels 121, and a card slot is opened on the two stages 13113 along the insertion direction corresponding to each card block 122. When the two stages 13113 are against the surrounding side panels 121, each card block 122 is respectively inserted into each card slot to achieve positioning.In order to prevent the limiting structure 3 from being exposed between the two surrounding side panels 121, a surrounding secondary side panel 132 is protruded along the plug-in direction toward one side of the main shell 12 on both sides of the support plate segment 13111 along the Y-axis direction, corresponding to the part between the two surrounding side panels 121. After the front cover 13 is connected to the main shell 12, the surrounding secondary side panel 132 is located on both sides of the Y-axis direction between the two surrounding side panels 121, so that the surrounding secondary side panel 132, the surrounding side panel 121, the protruding plate segment 13112 and the second surface of the main shell 12 jointly form a mounting groove 14, and the mounting groove 14 covers the middle part of the assembly cavity and intersects and connects with the assembly cavity.

[0040] In this embodiment, the terminal assembly 2 includes a first terminal 2a and a second terminal 2b, each of which is configured to connect to a linear connector of different specifications. The first and second terminals 2a and 2b are substantially identical in structure, differing only in size. To this end, the first mounting hole 1232, the second mounting hole 1512, the third mounting hole 1622, and the fourth mounting hole 1312 each form a portion for mounting the first terminal 2a and another portion for mounting the second terminal 2b. Each of the first and second terminals 2a and 2b includes a first connecting end 21, a restricted portion 22, and a second connecting end 23, which are integrally formed in sequence along the insertion direction. The first connecting end 21 includes a base and two V-shaped wire-holding arms 211 extending obliquely from the base. During use, one end of the linear connector is secured between the two wire-holding arms 211, while the other end of the linear connector passes through the first, third, and second mounting holes 1232, 1622, and 1512, respectively, to exit the insulating body 1. At the same time, the wire holding arm 211 presses against the inner wall of the first mounting hole 1232 when it is inserted into the first insertion hole section to achieve the limitation of the first connection end 21. The restricted portion 22 is extended from the base along the plug-in direction. The two sides of the restricted portion 22 are curved in an arc shape and present a structure with wide ends and a contracted middle. The second connection end 23 is a circular tubular structure and the interior is penetrated along the plug-in direction to form an insertion port 24. The second connection end 23 is inserted into the second insertion hole section during installation. In order to ensure the connection between the second connection end 23 and the second insertion hole section, a first elastic piece 25 is divided on the second connection end 23 and tilted outward toward the insertion port 24. One side of the first elastic piece 25 is integrally connected to the second connection end 23, and the other end of the first elastic piece 25 forms a free end due to the division. The free end faces one side of the restricted portion 22 and tilts outward, so that the first elastic piece 25 presses against its inner wall when the second connection end 23 passes into the second insertion hole section. To ensure a tight fit between the complementary terminal and the second connection end 23 when inserted into the insertion port 24, a second elastic piece 26 is formed on the second connection end 23, tilted toward the inside of the insertion port 24. One side of the second elastic piece 26 is integrally connected to the second connection end 23, while the other end of the second elastic piece 26 extends toward the side away from the restricted portion 22 and tilts inward. When the complementary terminal is inserted into the insertion port 24, the second elastic piece 26 presses against the complementary terminal. Several first protrusions 27 are also stamped and protruded on the outer wall of the second connection end 23 to press against the second insertion hole segment, thereby increasing support points and improving the connection stability between the second connection end 23 and the second insertion hole segment.

[0041] In this embodiment, the wire cover 4 is formed by injection molding of a plastic material and is detachably connected to the open side of the surrounding section 125. The interior of the wire cover 4 is hollow and one side of the second surface is detachably connected to the open side 41 of the surrounding section 125, and one side wall of the wire cover 4 is open to facilitate the passage of linear connectors. In this embodiment, the side of the wire cover 4 along the X-axis direction is open to form the open side 41. The side of the wire cover 4 away from the open side 41 along the X-axis is inclined and defined as the inclined side 42, so that the wire cover 4 has a structure with a narrow first surface and a wide second surface, and the handle portion 5 can move back and forth relative to the inclined side 42. A mating surface 43 is formed on the first surface of the wire cover 4, that is, on the side of the wire cover 4 facing away from the insulating body 1, and the handle portion 5 fixes the wire cover 4 by mating with the mating surface 43. In the context of this embodiment, the cable cover 4 is connected to the insulating body 1 via a sliding connection structure 6, which allows the cable cover 4 to be attached and detached from the insulating body 1 along the X-axis. The sliding connection structure 6 includes a sliding groove 145 formed on the surrounding section 125 and a sliding rail 62 formed on one side of the second surface of the cable cover 4. The sliding rail 62 of the cable cover 4 slides within the sliding groove 145, thereby slidably connecting the cable cover 4 to the main housing 12. Specifically, two sliding grooves 145 are provided, one on each side of the open side of the surrounding section 125 along the Y-axis. Each sliding groove 145 includes two sets of second protrusions 611, each of which is arranged in a plurality and spaced apart along the X-axis. An L-shaped groove having two groove surfaces is formed on each corresponding side of the surrounding section 125. Two sets of second protrusions 611 are provided on each groove surface, with the two sets of second protrusions 611 spaced apart to form the first sliding groove 145. The slide rail portion 62 corresponds to the structure of the first slide groove 145 and the two sets of second protrusions 611 to form a first slide rail, and the first slide rail is slidably arranged in the first slide groove 145 along the X-axis direction. In order to limit the sliding of the first slide rail in one direction, an end block 612 is formed on one end of the two sets of second protrusions 611 on each side to block one end of the first slide groove 145. After the first slide rail is installed in place in the first slide groove 145, it blocks the wire cover 4 from continuing to slide. The end block 612 is located on the same side as the inclined side 42 of the wire cover 4 in the X-axis direction. It should be noted that the slide groove 145 portion can also be set on the wire cover 4, and the slide rail portion 62 can also be set on the main housing 12, without affecting the use effect.

[0042] In the context of this embodiment, a limiting locking portion 44 is provided on the side of the mating surface 43 of the cable cover 4. The limiting locking portion 44 is used to limit further rotation of the handle portion 5 when the handle portion 5 rotates onto the mating surface 43, thereby locking the handle portion 5. The limiting locking portion 44 includes a fixing block 441 and an elastic locking block 442, which are respectively arranged on either side of the mating surface 43 along the X-axis direction. The fixing block 441 is formed on one side of the first surface of the exposed side of the cable cover 4 and protrudes from the first surface of the exposed side 41 of the cable cover 4, away from the second surface, relative to the mating surface 43. The fixing block 441 is stamped into this portion and protrudes toward the mating surface 43. A receiving groove 443 is defined on the outer wall of the cable cover 4 between the mating surface 43 and the elastic block 442, that is, the portion of the cable cover 4 between the mating surface 43 and the inclined side 42, into which the elastic block 442 is inserted when squeezed. The elastic block 442 is integrally formed from the side of the receiving groove 443 away from the mating surface 43 and extends toward the fixed block 441. A gap is provided between the elastic block 442 and the inner wall of the receiving groove 443 to allow the elastic block 442 to move relative to the receiving groove 443. Because the cable cover 4 is made of plastic and has a certain degree of elasticity, the elastic block 442 can be compressed when pressed and automatically recover when the pressure is released. When no force is applied, the elastic block 442 is at least partially located outside the receiving groove 443, so that when the corresponding part of the handle part 5 passes through the inclined side 42, the elastic block 442 can be squeezed to deform the elastic block 442 and pass into the receiving groove 443 and then pass through the receiving groove 443. When the handle part 5 passes through the receiving groove 443 and rotates to the mating surface 43, the elastic block 442 presses against the handle part 5 and limits the handle part 5 from rotating away from the mating surface 43, and the fixed block 441 cooperates with the elastic block 442 at this time to limit the movement of the handle part 5 in the X-axis direction, so that the handle part 5 can no longer rotate.

[0043] In this embodiment, the handle portion 5 is hingedly connected to the main housing 12 and can be made of a hard material. The handle portion 5 includes a restraining portion 51 and wings 52 extending from opposite sides of the restraining portion 51 along the insertion direction. The middle portions of the wings 52 are rotatably connected to the first side wall 1241 and the second side wall, respectively, so that the restraining portion 51 can pass through the inclined side 42 to rotate closer to or away from the mating surface 43. The limiting locking portion 44 restrains the restraining portion 51 when the restraining portion 51 rotates to the mating surface 43. When the elastic block 442 is pressed, it enters the receiving groove 443 and no longer presses against the restraining portion 51, thereby releasing the restraint on the restraining portion 51. The wings 52 maintain the connection between the handle portion 5 and the main housing 12 and provide support for the restraining portion 51.

[0044] In the context of this embodiment, the restraining portion 51 includes a top plate 511 connected to the two wing plates 52, and an elastic portion 512 formed on the top plate 511. The elastic portion 512 is in the shape of an arcuate strip, with both ends integrally connected to one side of the top plate 511. The middle portion of the elastic portion 512 is projected toward the side away from the top plate 511, leaving a space between the elastic portion 512 and the top plate 511 for the elastic portion 512 to deform. A stopper 513 is projected on the other side of the top plate 511 away from the elastic portion 512. The stopper 513 is inclined relative to the top plate 511 toward the side away from the elastic portion 512 and toward the wing plates 52. When the top plate 511 rotates to face the mating surface 43, the top plate 511 is spaced apart between the mating surfaces 43 to ensure the rotation of the top plate 511. At this time, the elastic portion 512 is close to or abuts against the fixed block 441 of the limiting locking portion 44, and the elastic block 442 abuts against the stop block 513. At this time, the top plate 511 is restricted on the wire cover 4 by the elastic block 442 and the fixed block 441 and cannot rotate. When it is necessary to release the restriction on the top plate 511, the elastic block 442 is pressed toward the receiving groove 443. At this time, the top plate 511 is squeezed and rotated a small angle toward the side of the fixed block 441. The elastic portion 512 is pressed against the fixed block 441, and at this time, the elastic portion 512 is squeezed and slightly deformed. When the elastic block 442 is no longer pressed against the stopper 513, the elastic portion 512 rebounds and pushes the top plate 511 to rotate toward the side away from the mating surface 43 until the stopper 513 quickly passes the elastic block 442. After that, even if the pressure on the elastic block 442 is released, the stopper 513 has been ejected by the elastic portion 512 to the side of the elastic block 442 away from the fixed block 441. Therefore, the top plate 511 can be easily rotated away from the mating surface 43, thus completing the unlocking of the cable cover 4. It should be noted that the fixed block 441 and the end block 612 are respectively arranged on both sides of the cable cover 4 in the X-axis direction. After the top plate 511 is locked by the limiting locking portion 44, the fixed block 441 and the end block 612 also block the cable cover 4 in the X-axis direction, preventing the cable cover 4 from loosening in the X-axis direction.

[0045] In this embodiment, to facilitate installation of the wing plate 52, a swinging groove 171 is recessed on both the first side wall 1241 and the second side wall for swinging the wing plate 52. The swinging groove 171 is open on the side away from the mating surface 43. A rotating shaft 172 is projected in the middle of the swinging groove 171, rotatably connected to the middle of the wing plate 52. The top plate 511 rotates around the rotating shaft 172. A first stop protrusion 173 and a second stop protrusion 174 are projected on either side of the swinging groove 171 along the X-axis. A first protrusion 521 is projected on the inner side wall of the wing plate 52, on the side of the swinging groove 171 away from the wire cover 4 and facing the insulating body 1. The first protrusion 521 is located within the swinging groove 171 when the wing plate 52 is installed on the rotating shaft 172. The first stop protrusion 173 and the second stop protrusion 174 both lie on the circumferential path of the first protrusion 521. When the first protrusion 521 approaches the first stop convex portion 173, the restraining portion 51 engages with the mating surface 43. When the first protrusion 521 approaches the second stop convex portion 174, the restraining portion 51 moves away from the mating surface 43, thereby limiting the rotation angle of the wall panel. Spherical second bumps 522 are provided on the inner walls of the two wing panels 52, near the restraining portion 51. These second bumps 522 make point contact with the outer wall of the cable cover 4 during rotation, forming a support point and ensuring the stability of the wing panels 52.

[0046] In the content defined in this embodiment, the two wing plates 52 extend toward the side of the complementary connector away from the top plate 511 to form an arc-shaped wing foot 523 with the rotating shaft 172 as a circle. The first protrusion 521 is formed on the wing foot 523. The wing foot 523 is provided with an arc-shaped wing foot 523 that passes through along the Y-axis direction and has the rotating shaft 172 as the center. One end of the sliding hole 524 passes through the wing foot 523 along the curved direction to form an open end 5241. A slider 7113 is protruded on the outer side wall of the complementary connector opposite to the wing plate 52. When the top plate 511 is rotated to move away from the mating surface 43, the slider 7113 is located at the open end 5241. The open end 5241 facilitates the slider 7113 to penetrate into the sliding hole 524 when the wing plate 52 is installed on the main shell 12; when the top plate 511 is rotated to the mating surface 43, the slider 7113 is located at the other end. In this way, through the cooperation between the sliding hole 524 and the slider 7113, the handle part 5 can limit the complementary connector in the plugging direction when the plug connector is connected to the complementary connector, thereby preventing the plug connector from being separated from the complementary connector and improving the connection firmness and stability between the present invention.

[0047] In this embodiment, a mounting groove 14 is formed on the main housing 12 and communicates with the assembly cavity along the X-axis direction. The structure of the mounting groove 14 is adapted to the shape of the limiting structure 3. The limiting structure 3 is installed on the insulating body 1 through the mounting groove 14 and limits the terminal assembly 2 within the mounting groove 14. The limiting structure 3 is located between the first mounting structure 123 and the fourth mounting structure 131. After the front cover 13 is installed on the second surface of the main housing 12, the second surface of the main housing 12 and the bottom cover are spaced apart to form the mounting groove 14, thereby facilitating the installation of the limiting structure 3. In this embodiment, the limiting structure 3 includes a main body 31 extending in the transverse direction and a limiting portion 32 formed on the main body 31. The main body 31 ensures the connection of the limiting portion 32, and the limiting portion 32 is used to cooperate with the limiting portion 22 to limit the movement of the terminal assembly 2 in the plugging direction. In the content defined in this embodiment, the main body 31 and the limiting portion 32 are integrally formed. The mounting groove 14 passes through the two surrounding side panels 121 along the X-axis direction to form a first groove section 141 and a groove opening 142, respectively. The portion of the mounting groove 14 located between the groove opening 142 and the first groove section 141 is defined as the mounting section 143. The first groove section 141 covers the mounting section 143 of the mounting groove 14 in the X-axis direction, and the main body 31 is mounted on the first groove section 141. To prevent the main body 31 from passing into the mounting section 143 and affecting the limiting effect of the limiting portion 32 on the terminal assembly 2, a limiting stopper 311 is provided on the side of the main body 31 away from the limiting portion 32 in the insertion direction. After the main body 31 passes through the first groove section 141, the limiting stopper 311 abuts against the surrounding side panel 121, preventing the main body 31 from moving further into the mounting section 143. In order to ensure that the limit baffle 311 affects the connection and cooperation between the insulating body 1 and the complementary connector, the mounting groove 14 also includes a second groove section 144 connected to the first groove section 141 and located on the side of the first groove section 141 away from the mounting section 143. The shape of the second groove section 144 is adapted to the shape of the limit baffle 311 and the main body 31. After the main body 31 is installed in the first groove section 141, the limit baffle 311 is completely passed through and abuts against the second groove section 144.

[0048] In the content defined in this embodiment, the limiting portion 32 includes at least two extension arms 321 integrally connected to the main body portion 31, each extension arm 321 is extended from the main body portion 31 along the X-axis direction, and each extension arm 321 is arranged in parallel and at equal intervals along the Y-axis direction, and any two adjacent extension arms 321 are spaced apart to form a locking groove 322 that is adapted to the limited portion 22 and for the limited portion 22 to pass through, so that the locking groove 322 is in a middle-folded shape, and in order to facilitate the limited portion 22 to enter the locking groove 322, the locking groove 322 is arranged along the X-axis direction toward the side away from the main body portion 31, so that when the limiting structure 3 is installed, each extension arm Each of the extension arms 321 is inserted into the installation slot 14, and the restricted portion 22 on the side of the terminal assembly 2 is aligned with the locking slot 322 in the X-axis direction, so that when each extension arm 321 moves toward the installation section 143, the two adjacent extension arms 321 pass through both sides of the restricted portion 22 of the terminal assembly 2 in each row or column. After installation is completed, the retracted portion 3221 of the locking slot 322 corresponds to the retracted portion 3221 of the restricted portion 22, and the wide portions of the locking slot 322 on both sides of the plug-in direction correspond to the wide portion of the restricted portion 22, so that the locking slot 322 and the wide portion of the restricted portion 22 restrict each other, thereby achieving the purpose of restricting the movement of the terminal assembly 2 in the plug-in direction. The locking slot 322 has a first limiting area 3222 for limiting the first terminal 2a and a second limiting area 3223 for limiting the second terminal 2b along the X-axis direction, respectively, to adapt to the first terminal 2a and the second terminal 2b. In order to prevent the extension arm 321 from tilting when passing through the first groove section 141 and the mounting section 143, thereby increasing the difficulty and time of installation, a sliding protrusion 3211 is convexly provided on one side or both sides of each extension arm 321 along the plug-in direction, and the sliding protrusion 3211 is extended along the X-axis direction. A second sliding groove 145 adapted to the sliding protrusion 3211 is recessed on the assembly cavity, that is, the second surface of the main shell 12 and / or the side surface of the convex plate section 13112 of the front cover 13 facing the main shell 12. The second sliding groove 145 passes through the two surrounding side plates 121 of the insulating body 1 along the X-axis direction and is connected to the mounting section 143, the first groove section 141, the second groove section 144 and the notch 142 of the mounting groove 14. When the limiting structure 3 is installed in the mounting groove 14, each sliding protrusion 3211 is aligned with the corresponding second sliding groove 145 and then moved toward the mounting groove along the X-axis. The sliding protrusion 3211 slides along the X-axis through the second sliding groove 145, allowing the extension arm 321 to move along the length of the second sliding groove 145, preventing the extension arm 321 from tilting or deviating. To increase the stability between the extension arm 321 and the insulating body 1, an anti-rotation protrusion 3212 is provided at both ends of each extension arm 321. The anti-rotation protrusion 3212 is located on the side of the extension arm 321 facing away from the sliding protrusion 3211, so that the anti-rotation protrusion 3212 and the sliding protrusion 3211 are respectively provided on either side of the extension arm 321.If each extension arm 321 is provided with sliding protrusions 3211 on both sides, the sliding protrusion 3211 on one side is regarded as the anti-rotation protrusion 3212. A second sliding groove 145 is also provided on the mounting groove 14 at a position corresponding to the anti-rotation protrusion 3212.

[0049] In this embodiment, the arrangement of the terminal assemblies 2 in the Y-axis direction is regarded as a column, and the number of extension arms 321 is equal to the number of columns of the terminal assemblies plus one, so that the number of locking slots 322 is the same as the number of columns of the terminal assemblies 2. The two extension arms 321 on both sides of the outermost edge of each extension arm 321 along the Y-axis direction are defined as edge extension arms 3213. The two edge extension arms 3213 are both provided with a convex extension on both sides along the plug-in direction. The sliding protrusion 3211 of the edge extension arm 3213 is covered by the convex portion 3214. The convex portion 3214 protrudes outward from the sliding protrusion 3211 and the anti-rotation protrusion 3212 in the plug-in direction. The second sliding grooves 145 corresponding to the two edge extension arms 3213 continue to extend from the side away from the two second sliding grooves 145 to form a limiting groove 146 adapted to the limiting groove 146. The limiting groove 146 is also connected to the assembly cavity and the installation groove 14 and passes through the insulating body 1 along the X-axis direction, so that each limiting portion 3214 can still penetrate into the installation groove 14. Preferably, the number of slots 142 in the X-axis direction corresponds to the number of extension arms 321, and there are multiple slots 142. Each slot 142 is connected to the mounting section 143 and the corresponding second slide groove 145, and the two slots 142 corresponding to the edge extension arms 3213 are also connected to the limiting groove 146. Each slot 142 is formed on the surrounding side plate 121 where the first slot section 141 is not provided. Therefore, each slot 142 is directly opposite the extension arm 321 and the second slide groove 145 or the limiting groove 146 along the X-axis. The end of each extension arm 321 away from the main body 31 is respectively passed through each slot 142, so that after the limiting structure 3 is installed on the insulating body 1, the surrounding side plate 121 provides support for both sides of the extension arm 321, thereby improving stability. Preferably, each enclosure portion 3214 is provided with a tooth portion 3216 on a side away from the main body portion 31, and the tooth portion 3216 is in the shape of a triangular tooth or a trapezoidal tooth. A tooth groove portion 1461 is provided at a position in the limiting groove 146 corresponding to the tooth portion 3216 for limiting the movement of the tooth portion 3216 after the limiting structure 3 is installed in the installation groove 14. The tooth groove portion 1461 is adapted to the tooth portion 3216 and is also in the shape of a triangular tooth or a trapezoidal tooth. An avoidance hole 3215 is opened along the Y-axis direction at the position corresponding to the tooth portion 3216 on each enclosure portion 3214. The avoidance hole 3215 makes the portion of the enclosure portion 3214 with the tooth portion 3216 thinner, and provides space for the tooth portion 3216 to deform when it is subjected to the tooth groove portion 1461. Therefore, when the enclosure portion 3214 of the edge extension arm 3213 penetrates the limiting groove 146 and passes through the tooth groove portion 1461 and is squeezed, it can deform inward, so that the squeezed tooth portion 3216 of the edge extension arm 3213 is locked in the narrowed portion until it can pass through the tooth groove portion 1461. When the installation is completed, when no external force is applied to the limiting structure 3, the tooth groove portion 1461 blocks the tooth portion 3216 to prevent the extension arm 321 from falling off.When the limiting structure 3 is installed, the tooth portion 3216 can be aligned with the tooth groove portion 1461, or can be located on the side of the tooth groove portion 1461 away from the first slot section 141. Each limiting slot 146 can be provided with two tooth groove portions 1461, one of which is close to the notch 142. When installed, the tooth portion 3216 is located between this tooth groove portion 1461 and the notch 142, while the other tooth groove portion 1461 is located close to the first slot section 141. Therefore, when the limiting structure 3 needs to be removed, the tooth groove portion 1461 close to the first slot section 141 can prevent the limiting structure 3 from being directly removed from the installation slot 14, and the end of the extension arm 321 away from the main body 31 can be located in the installation slot 14. When the limiting structure 3 needs to be installed again, it can be directly pushed into the main body 31 without further alignment, thereby reducing the installation difficulty.

[0050] During use, after inserting the second connecting end 23 of the terminal assembly 2 into the second insertion hole section, align the front cover 13 with the main shell 12 and install it on the main shell 12 until the first connecting end 21 of the terminal assembly 2 is inserted into the first insertion hole section. Then, align the extension arms 321 of the limiting structure 3 with the second slide groove 145, and pass through the second groove section 144, the first groove section 141 and the installation section 143 in the X-axis direction at one time and then penetrate into the slot 142. During this process, the tooth portion 3216 passes through the tooth groove portion 1461, and the restricted portion 22 of the terminal assembly 2 enters the locking slot 322 until the installation is completed. The limiting structure 3 limits the terminal assembly 2 in the plug-in direction.

[0051] One embodiment of the high-voltage shielded plug connector of the present invention operates as follows: the top plate 511 is located at the mating surface 43 to lock the wire cover 4 and the main shell 12. After one end of the linear connection object is connected to the first connection end 21, the other end passes through the outside of the wire cover 4. After the power is turned on, the electrical signal connection is achieved.

Claims

1. A high-voltage shielded plug connector, comprising an insulating body and a terminal assembly mounted within the insulating body, wherein a wire connector extends from a first surface of the insulating body into the insulating body to connect to the terminal assembly, a wire cover detachably attached to the first surface of the insulating body and disposed on the first surface of the insulating body, and a handle hingedly connected to the insulating body, characterized in that: The handle portion includes a restraining portion, a mating surface is formed on the side of the wire cover facing away from the insulating body, and a limiting locking portion is provided on the side of the mating surface. The limiting locking portion restrains the restraining portion when the restraining portion is rotated to the mating surface and releases the restriction when pressed.

2. The high-voltage shielded plug connector according to claim 1, wherein: The insulating body has a first side wall and a second side wall respectively adjacent to the first surface along the Y-axis direction, and the first side wall and the second side wall are arranged opposite to each other. The handle part also includes wing plates extending from the opposite sides of the binding part along the plug-in direction, and the middle parts of the two wing plates are respectively rotatably connected to the first side wall and the second side wall, so that the binding part can be rotated to be close to or away from the mating surface.

3. The high-voltage shielded plug connector according to claim 2, wherein: The restraining portion includes a top plate connected to the two wing plates; the limiting locking portion includes a fixed block and an elastic card block arranged on both sides of the mating surface along the X-axis direction; a receiving groove for the elastic card block to pass through when it is squeezed is provided on the outer wall of the wire cover between the mating surface and the elastic card block; when the top plate rotates, it passes through and squeezes the elastic card block so that the top plate passes through the receiving groove until it rotates to the mating surface, and the elastic card block abuts against the top plate.

4. The high-voltage shielded plug connector according to claim 2, wherein: The first side wall and the second side wall are both recessed with a swinging groove for the wing plate to swing, and the swinging groove is open on the side away from the mating surface. A rotating shaft rotatably connected to the middle of the wing plate is protruded in the middle of the swinging groove, and a first stop protrusion and a second stop protrusion are respectively protruded on both sides of the swinging groove distributed along the X-axis direction. A protrusion is protruded on the inner side wall of the wing plate and on the side of the swinging groove away from the wire cover toward the insulating body. When the protrusion is close to the first stop protrusion, the binding portion is matched with the mating surface, and when the protrusion is close to the second stop protrusion, the binding portion is away from the mating surface.

5. The high-voltage shielded plug connector according to claim 4, wherein: On the inner wall of one side of the two wing plates close to the binding portion, a support point is provided for point contact with the outer wall of the wire cover when the wing plates rotate.

6. The high-voltage shielded plug connector according to any one of claims 1 to 5, characterized in that: The wire cover is connected to the insulating body via a sliding connection structure, and the sliding connection structure enables the wire cover to be installed and removed from the insulating body along the X-axis direction.

7. The high voltage shielded plug connector according to claim 1, wherein: The insulating body is provided with a limiting structure for limiting the movement of the terminal assembly along the plugging direction.

8. The high voltage shielded plug connector according to claim 7, wherein: The limiting structure includes a main body and a limiting portion extending from the main body along the X-axis direction. The terminal assembly is provided with a limiting portion that enables the limiting portion to limit the movement of the terminal assembly along the plugging direction.

9. The high voltage shielded plug connector according to claim 6, wherein: The insulating body includes a main shell, a rear cover and a front cover, a first mounting structure for the first connecting end of the terminal assembly to pass through is formed in the main shell, an enclosed cavity is formed on the first surface of the main shell, the rear cover is installed in the enclosed cavity, the handle is hinged on the main shell, and the wire cover is connected to the main shell to block the open side of the enclosed cavity; a second mounting structure for the linear connection to pass through along the plugging direction to pass through the first mounting structure is formed on the rear cover, a wire sealing body for sealing the enclosed cavity is provided in the enclosed cavity and between the rear cover and the first mounting structure, and a third mounting structure for the linear connection to pass through is provided on the wire sealing body; the front cover is detachably connected to the second surface of the main shell, and a fourth mounting structure for the second connecting end of the terminal assembly to pass through is provided on the front cover.

10. The high voltage shielded plug connector according to claim 9, wherein: A positioning structure is provided on the outer side wall of the rear cover for pressing against the inner wall of the surrounding cavity to limit the movement of the rear cover in the Y-axis direction and the X-axis direction.

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