High-voltage charging connector

Abstract

The utility model relates to the technical field of charging connectors, and discloses a high-voltage charging connector, which comprises a connector and a locking frame, the connector is provided with a sliding backboard which can be slidably sleeved, the right end of the locking frame is provided with a connecting block, the locking frame and the connecting block are in running fit through a rotating shaft, the rotating shaft is sleeved with a fastening spring to guarantee stable rotation, and a movable groove is arranged in the locking frame. The tail end of the isolation cylinder can be inserted into the front end of the connector, a compression ring on the front end face of the isolation cylinder is provided with a compression spring, the protective cover plate is connected with a clamping groove of the locking frame in a clamping mode through a clamping strip, and the back face of the locking frame and the front end of the sliding back plate are respectively provided with four symmetrical connecting magnets and positioning magnetic strips to achieve magnetic matching. The isolation cylinder is tightly attached to the front end of the connector to prevent dust and water vapor from invading, during charging, the compression ring is pushed away, the isolation cylinder and the connector are separated, then a butt joint interface of the connector is charged, the connector is pulled out after charging is finished, the compression spring is reset, the isolation cylinder and the compression ring are driven to return, and preparation is made for next-time charging.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging connector technical field, concretely is a kind of high-voltage charging connector. BACKGROUND

[0002] Charging connector is the key bridge between charging equipment and electrical equipment, there is the interface shape of different equipment on appearance, material quality is compatible with durability and insulating property, one end precision docking charging pile output port, one end stably connects the input interface of the equipment to be charged, ensure that current is stably transmitted, when working, internal conductive component guides current orderly, insulating shell isolates current outflow, guarantee safety in use, in the field of new energy vehicles, it supports high-voltage, large-current charging, in daily electronic equipment, responsible for low-voltage, small-current supply, in different scenarios, charging connector specification, performance are different, but all shoulder the mission of efficient, safe charging, and continuously supply energy for various equipment.

[0003] Traditional high-voltage charging connector is poor in connection convenience, difficult to flexibly fix and the protection structure of connector end face under non-use condition, cumbersome operation, and in the aspect of protection, cannot effectively block dust and water vapor, is easy to interfere with internal electrical connection, leads to charging efficiency reduction, structure stability is insufficient, connection part is easy to loosen, affects service life and charging stability, it is difficult to adapt to complex environment, for this reason, we propose a kind of high-voltage charging connector. UTILITY MODEL CONTENT

[0004] (I) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of high-voltage charging connector, solves the above-mentioned problems.

[0006] (II) technical scheme

[0007] To realize the above-mentioned purposes, the utility model provides the following technical scheme: a kind of high-voltage charging connector, including connector and locking frame, sliding sleeve is connected on the connector with sliding backboard, the right end of connector is fixed with fixed block, the right end of locking frame is fixed with connecting block, connecting block and fixed block are rotationally matched by rotating shaft, wherein rotating shaft is sleeved with fastening spring, fastening spring and the end of rotating shaft are installed in the inside of fixed block, the inside of locking frame is equipped with movable slot, movable slot is slidably installed with insulating cylinder, and the end of insulating cylinder is inserted into the inside of the front end of connector, the front end of insulating cylinder is fixed with compression ring, the front end of compression ring is equipped with the compression spring that is mutually symmetrical, locking frame's front end is connected and is fixed with protective cover, wherein one end of compression spring is attached to the back of protective cover, the back of locking frame is equipped with connecting magnet, the front end of sliding backboard is fixed with positioning magnetic strip, and positioning magnetic strip and connecting magnet are magnetically matched.

[0008] Preferably, the cylindrical surface of the connector is fixed with a fixed block on the right side, the upper and lower ends of the fixed block are fixed with rectangular guide blocks, the front end of the sliding back plate is provided with rectangular guide holes which are symmetrical to each other, the guide holes are in sliding fit with the guide blocks, the right end of the rotating shaft is fixed with a connecting block corresponding to the fixed block, the rotating shaft penetrates into the connecting block, a fastening spring is sleeved on the rotating shaft, and the fastening spring is in sliding fit with the end of the rotating shaft and is arranged in the fixed block.

[0009] Preferably, the inside of the front end of the locking frame is provided with a movable groove in the form of a circular ring, sliding holes penetrating through the locking frame are formed at the two sides of the movable groove, sliding blocks are fixed at the two sides of the compression ring, and the compression ring is arranged in the movable groove and the sliding blocks at the two sides thereof are in sliding fit with the sliding grooves corresponding to the sliding holes at the two sides of the movable groove.

[0010] Preferably, the back surface of the compression ring is fixed with symmetrical connecting columns, the front end of the isolation cylinder is fixed to the back surface of the compression ring through nuts corresponding to the connecting columns, and the isolation cylinder is arranged in the locking frame.

[0011] Preferably, the back surface of the protection cover plate is fixed with a clasp ring in the form of a circular ring, the clasp ring is in clamping fit with the movable groove, the front end of the compression ring is provided with symmetrical compression springs, the compression springs correspond to the connecting columns on the back surface of the compression ring, and one end of the compression spring is attached to the clasp ring on the back surface of the protection cover plate.

[0012] Preferably, the front end of the locking frame is provided with four clamping grooves which are symmetrical to the central axis, the back surface of the protection cover plate is fixed with four clamping strips which are symmetrical to the central axis, the clamping strips are in clamping fit with the inside of the clamping grooves, the back surface of the locking frame is provided with four connecting magnets which are symmetrical to the central axis, the front end of the sliding back plate is provided with four positioning magnetic strips which are symmetrical to the central axis, and the positioning magnetic strips are in magnetic fit with the connecting magnets.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the high-voltage charging connector has the following beneficial effects:

[0015] 1. The high-voltage charging connector greatly improves the convenience and efficiency of the connection operation, the locking frame and the connector are flexibly rotated through the rotating shaft, the fastening spring sleeved on the rotating shaft provides stable shrinkage capacity for the rotating process, ensures smooth operation, and meanwhile, the four connecting magnets evenly distributed on the back surface of the locking frame and the corresponding positioning magnetic strip at the front end of the sliding back plate are attracted to each other, realizing positioning and connection of the locking frame and the connector, effectively protecting the gap between the locking frame and the connector, preventing the moisture in the air from entering the inside of the connector due to loosening, and reducing the charging efficiency of the connector.

[0016] 2、The high-voltage charging connector, in the idle state, the isolation cylinder is tightly attached to the front end of the connector under the elastic force generated by the two compression springs, can effectively block dust, water vapor and other impurities, creates a safe and stable environment for internal electrical connection, the protective cover plate is tightly clamped with the locking frame front end of the clamping groove by the back of the clamping strip, stably fixes the compression spring and the compression ring, strengthens the stability of the overall connection structure, after charging, the compression spring resets accurately, drives the isolation cylinder and the compression ring back to the initial position, continuously plays the waterproof and dustproof effect, significantly prolongs the service life of the connector, and guarantees the reliable operation of the connector in various complex environments. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the utility model;

[0018] Figure 2 It is a structure split schematic view of the utility model;

[0019] Figure 3 It is a connector structure schematic view of the utility model;

[0020] Figure 4 It is a locking frame structure schematic view of the utility model;

[0021] Figure 5 It is a locking frame structure schematic view of the utility model;

[0022] Figure 6 It is a compression ring structure schematic view of the utility model;

[0023] Figure 7 It is a protective cover plate structure schematic view of the utility model;

[0024] Figure 8 It is a sliding back plate structure schematic view of the utility model.

[0025] In the drawing: 1, sliding back plate; 2, connector; 3, fastening spring; 4, rotating shaft; 5, locking frame; 6, isolation cylinder; 7, compression ring; 8, compression spring; 9, protective cover plate; 10, fixed block; 11, guide block; 12, connecting block; 13, clamping groove; 14, movable slot; 15, connecting magnet; 16, clamping strip; 17, positioning magnetic strip; 18, guide hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-8 A high-voltage charging connector, comprising a connector 2 and a locking frame 5, a sliding back plate 1 is sleeved on the connector 2, a fixed block 10 is fixed at the right end of the connector 2, a connecting block 12 is fixed at the right end of the locking frame 5, the connecting block 12 is rotationally matched with the fixed block 10 through a rotating shaft 4, a fastening spring 3 is sleeved on the rotating shaft 4, the fastening spring 3 is installed in the inside of the fixed block 10 at the end of the rotating shaft 4, a movable groove 14 is formed in the inside of the locking frame 5, an isolation cylinder 6 is slidingly installed in the inside of the movable groove 14, and the end of the isolation cylinder 6 is inserted into the inside of the front end of the connector 2, a compression ring 7 is fixed at the front end of the isolation cylinder 6, the front end of the compression ring 7 is provided with compression springs 8 which are symmetrical to each other, a protective cover plate 9 is clamped and fixed at the front end of the locking frame 5, one end of the compression spring 8 is attached to the back of the protective cover plate 9, a connecting magnet 15 is arranged on the back of the locking frame 5, and a positioning magnetic strip 17 is fixed at the front end of the sliding back plate 1, the positioning magnetic strip 17 is magnetically matched with the connecting magnet 15.

[0028] Further, the cylindrical surface right side of the connector 2 is fixed with the fixed block 10, the upper and lower ends of the fixed block 10 are fixed with the guide block 11 which is in the shape of a rectangle, the front end right side of the sliding back plate 1 is provided with the guide hole 18 which is symmetrical to each other and in the shape of a rectangle, the guide hole 18 is slidingly matched with the guide block 11, the right end of the rotating shaft 4 is fixed with the connecting block 12, the connecting block 12 corresponds to the fixed block 10, the rotating shaft 4 penetrates into the inside of the connecting block 12, the fastening spring 3 is sleeved on the rotating shaft 4, the fastening spring 3 is slidingly installed in the inside of the fixed block 10 at the end of the rotating shaft 4, which can realize stable sliding of the sliding back plate 1 on the connector 2, flexible rotation of the locking frame 5 and stable rotation process, and improve the convenience and reliability of the charging connection.

[0029] Further, the inside of the front end of the locking frame 5 is provided with the movable groove 14 which is in the shape of a ring, the two sides of the movable groove 14 are provided with the sliding hole which penetrates through the locking frame 5, the two sides of the compression ring 7 are fixed with the sliding block, the compression ring 7 is installed in the inside of the movable groove 14, the sliding blocks on the two sides of the compression ring 7 are slidingly matched with the sliding grooves which are formed in the two sides of the movable groove 14, so that the compression ring 7 can stably slide in the movable groove 14, and the sliding stroke of the isolation cylinder 6 and the front end of the connector 2 is ensured, which guarantees the smooth operation of the charging connection and disconnection.

[0030] Further, the back of the compression ring 7 is fixed with the connecting column which is symmetrical to each other, the two sides of the front end of the isolation cylinder 6 correspond to the connecting column and are fixed to the back of the compression ring 7 through the nut, and the isolation cylinder 6 is installed in the inside of the locking frame 5, which realizes the stable connection of the isolation cylinder 6 and the compression ring 7, makes the isolation cylinder 6 stably move in the locking frame 5, and realizes the conversion in the charging and non-charging state.

[0031] Further, the back of the protective cover plate 9 is fixed with a circular ring-shaped snap ring, which is matched with the movable slot 14. The front end of the compression ring 7 is provided with symmetric compression springs 8, and the compression springs 8 correspond to the connecting columns on the back of the compression ring 7. One end of the compression spring 8 is attached to the snap ring on the back of the protective cover plate 9, which ensures that the isolation cylinder 6 is tightly attached to the front end of the connector 2, effectively protecting the internal electrical connection.

[0032] Further, the front end of the locking frame 5 is provided with four center-axially symmetric clamping grooves 13, and the back of the protective cover plate 9 is fixed with four center-axially symmetric clamping strips 16. The clamping strips 16 are matched with the inside of the clamping grooves 13, and the back of the locking frame 5 is provided with four center-axially symmetric connecting magnets 15. The front end of the sliding back plate 1 is provided with four center-axially symmetric positioning magnetic strips 17, which are magnetically matched with the connecting magnets 15, realizing the fixed connection of the locking frame 5 and the connector 2.

[0033] Structure description:

[0034] Locking frame 5: The right end connecting block 12 of the locking frame 5 is rotationally matched with the fixed block 10 of the connector 2. The internal structure is used to install the isolation cylinder 6 and the like, to protect the internal connection and assist in positioning.

[0035] Isolation cylinder 6: The isolation cylinder 6 is installed in the locking frame 5, and the distal end is inserted into the front end of the connector 2. It is tightly attached under the action of the compression spring 8, and is waterproof and dustproof.

[0036] Compression ring 7: The front end of the compression ring 7 has a compression spring 8, and the back is fixed with the isolation cylinder 6. By sliding in the movable slot 14, the connection state of the isolation cylinder 6 and the connector 2 is controlled.

[0037] Compression spring 8: The compression spring 8 is symmetrically arranged at the front end of the compression ring 7, and one end is attached to the snap ring on the back of the protective cover plate 9, providing the isolation cylinder 6 with the elastic force of attaching to the connector 2.

[0038] Protective cover plate 9: The protective cover plate 9 is matched with the movable slot 14 through the snap ring, and the compression spring 8 is fixed. It prevents foreign matter from entering from the front end of the locking frame 5, and protects the internal structure.

[0039] Fixed block 10: The fixed block 10 is fixed to the right end of the connector 2, and is provided with a guide block 11. It is installed with a rotating shaft 4 and the like, enhancing the structural stability and connection function.

[0040] Guide block 11: The guide block 11 is in a rectangular shape, fixed on the upper and lower ends of the fixed block 10, matched with the front end guide hole 18 of the sliding back plate 1, and guides the stable sliding of the sliding back plate 1.

[0041] Connecting block 12: The connecting block 12 is fixed at the right end of the locking frame 5, and is connected with the fixed block 10 through the rotating shaft 4, realizing the rotational connection of the locking frame 5 and the connector 2.

[0042] Card slot 13: There are four card slots 13, which are symmetrically arranged on the front end of the locking frame 5, cooperate with the clamping strip 16 on the back of the protective cover plate 9, and fix the protective cover plate 9;

[0043] Movable slot 14: The movable slot 14 is a circular ring, which is arranged inside the front end of the locking frame 5, and provides a sliding space for the connection between the isolation cylinder 6 and the connector 2;

[0044] Connecting magnet 15: There are four connecting magnets 15, which are symmetrically arranged on the back of the locking frame 5, magnetically cooperate with the positioning magnetic strip 17 on the front end of the sliding back plate 1, and assist in positioning;

[0045] Clamping strip 16: There are four clamping strips 16, which are symmetrically fixed on the back of the protective cover plate 9, and are clamped with the card slot 13 on the front end of the locking frame 5, so as to stabilize the protective cover plate 9;

[0046] Positioning magnetic strip 17: There are four positioning magnetic strips 17, which are symmetrically fixed on the front end of the sliding back plate 1, cooperate with the connecting magnet 15, and improve the connection accuracy;

[0047] Guide hole 18: The guide hole 18 is a rectangular shape, which is symmetrically arranged on the right side of the front end of the sliding back plate 1, and cooperates with the guide block 11 to ensure smooth sliding.

[0048] Working principle: in use, the operator holds the connector 2, and the sliding back plate 1 is close to the charging interface direction, the sliding back plate 1 can slide along the connector, the locking frame 5 is connected with the fixed block 10 at the right end of the connector through the connecting block 12 at the right end, and the rotation shaft 4 is used for rotation cooperation, the fastening spring 3 sleeved on the rotation shaft 4 provides stable support for rotation, ensures the stability of the rotation process, meanwhile, the four connecting magnets 15 uniformly distributed on the back of the locking frame 5 are attracted to the four positioning magnetic strips 17 at the corresponding position of the front end of the sliding back plate 1, and the locking frame 5 is connected with the locking frame 5, the isolation cylinder 6 in the movable slot 14 in the locking frame 5 plays a key role, the end of the isolation cylinder 6 is slowly inserted into the inside of the front end of the connector, the compression ring 7 fixed on the front end face of the isolation cylinder 6, and the two compression springs 8 at the front end of the compression ring 7 are compressed, in the process of not using the connector 2, the isolation cylinder 6 is closely combined with the inside of the front end of the connector 2, effectively resists the invasion of impurities such as dust and water vapor from the outside, ensures that the internal electrical connection part is not disturbed, the protection cover plate 9 is connected and matched with the clamping groove 13 at the front end of the locking frame 5 through the clamping strip 16 at the back, firmly fixes the compression spring 8 and the compression ring 7, and guarantees the stability of the connection structure of the locking frame 5 and the protection cover plate 9, when charging is needed, the sliding blocks on both sides of the compression ring 7 are slid outward, the isolation cylinder 6 is separated from the inside of the front end of the connector 2, and then the locking frame 5 is rotated and separated from the connector 2 through the rotation shaft 4, the connector 2 is connected with the charging interface for charging, when the connector 2 is completely inserted into the charging interface, the internal conductive part is successfully connected, a complete current path is formed, high-voltage power transmission is started, charging is completed, the operator pulls out the connector 2, and the locking frame 5 is rotated to the front end of the connector 2 through the rotation shaft 4, at this time, the compression spring 8 returns to the original state, drives the isolation cylinder 6 and the compression ring 7 to return to the initial position, effectively plays a waterproof and dustproof effect in the non-use state, and prepares for the next charging, the positioning magnetic strip 17 and the connecting magnet 15 are magnetically matched to complete the fixation of the locking frame 5 and the connector 2.

[0049] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high voltage charging connector comprising a connector (2) and a locking frame (5), characterized in that: The connector (2) is sleeved with a sliding back plate (1), the right end of the connector (2) is fixedly provided with a fixed block (10), the right end of the locking frame (5) is fixedly provided with a connecting block (12), the connecting block (12) is rotationally connected with the fixed block (10) through a rotating shaft (4), the rotating shaft (4) is sleeved with a fastening spring (3), the fastening spring (3) is slidably connected with the end of the rotating shaft (4) and is arranged in the fixed block (10), the locking frame (5) is internally provided with a movable slot (14), the movable slot (14) is slidably connected with an isolation cylinder (6), the end of the isolation cylinder (6) is inserted into the front end of the connector (2), the front end of the isolation cylinder (6) is fixedly provided with a compression ring (7), the front end of the compression ring (7) is provided with symmetrically arranged compression springs (8), the front end of the locking frame (5) is fixedly provided with a protective cover plate (9), one end of the compression spring (8) is attached to the back of the protective cover plate (9), the back of the locking frame (5) is provided with a connecting magnet (15), the front end of the sliding back plate (1) is fixedly provided with a positioning magnetic strip (17), and the positioning magnetic strip (17) is magnetically connected with the connecting magnet (15).

2. A high voltage charging connector according to claim 1, characterized in that: The cylindrical surface of the connector (2) is fixedly provided with a fixed block (10), the upper and lower ends of the fixed block (10) are fixedly provided with rectangular guide blocks (11), the front end of the sliding back plate (1) is provided with symmetrically arranged rectangular guide holes (18), the guide holes (18) are slidably connected with the guide blocks (11), the right end of the rotating shaft (4) is fixedly provided with a connecting block (12), the connecting block (12) corresponds to the fixed block (10), the rotating shaft (4) penetrates into the connecting block (12), and the rotating shaft (4) is sleeved with a fastening spring (3), the fastening spring (3) is slidably connected with the end of the rotating shaft (4) and is arranged in the fixed block (10).

3. A high voltage charging connector according to claim 1, characterized in that: The front end of the locking frame (5) is internally provided with a movable slot (14) in the form of a ring, the two sides of the movable slot (14) are provided with sliding holes penetrating through the locking frame (5), the two sides of the compression ring (7) are fixedly provided with sliding blocks, and the compression ring (7) is arranged in the movable slot (14) and slidably connected with the sliding grooves corresponding to the sliding holes on the two sides of the movable slot (14).

4. A high voltage charging connector according to claim 3, wherein: The back of the compression ring (7) is fixedly provided with symmetrically arranged connecting columns, the front end of the isolation cylinder (6) is fixedly provided with the connecting columns on the back of the compression ring (7) through nuts, and the isolation cylinder (6) is arranged in the locking frame (5).

5. A high voltage charging connector according to claim 4, wherein: The back of the protective cover plate (9) is fixedly provided with a clamping ring in the form of a ring, the clamping ring is clamped and connected with the movable slot (14), the front end of the compression ring (7) is provided with symmetrically arranged compression springs (8), the compression springs (8) correspond to the connecting columns on the back of the compression ring (7), and one end of the compression spring (8) is attached to the clamping ring on the back of the protective cover plate (9).

6. A high voltage charging connector according to claim 5, wherein: The front end of the locking frame (5) is provided with four center axis symmetrical clamping grooves (13), the back surface of the protective cover plate (9) is fixed with four center axis symmetrical clamping strips (16), the clamping strips (16) are clamped and matched with the inside of the clamping grooves (13), the back surface of the locking frame (5) is provided with four center axis symmetrical connecting magnets (15), the front end of the sliding back plate (1) is provided with four center axis symmetrical positioning magnetic strips (17), and the positioning magnetic strips (17) are magnetically matched with the connecting magnets (15).

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