A direct current charging gun

Abstract

The utility model discloses a direct current charging gun, including charging gun main part, the front side of charging gun main part is provided with charging assembly, flexible connecting band and protection subassembly, charging assembly includes the connector of installing in the front side of charging gun main part and sets up the charging head on the connector, protection subassembly includes the protection cover, is provided with the clamping groove of charging head insertion in the protection cover, the groove bottom of clamping groove is provided with the apron, the edge of connector is connected with the edge of protection cover through connecting band, the advantage is helpful to prolong the service life of direct current charging gun.

Description

TECHNICAL FIELD

[0001] The utility model belongs to charging equipment technical field especially, it is a kind of direct current charging gun. BACKGROUND

[0002] In the field of new energy vehicle charging, as a key charging interface equipment, the reliability of direct current charging gun directly affects the charging safety and service life. At present, the direct current charging gun on the market usually has certain waterproof and dustproof performance, and meets the corresponding IP protection level standard to meet the daily use demand.

[0003] However, with the popularity of electric vehicles, the use environment of direct current charging gun is increasingly complex, such as public charging station, open-air parking lot and the like. In actual use process, the charging head of direct current charging gun is directly exposed to rainwater, dust and the like in the process of being frequently taken off from charging pile and inserted into vehicle-mounted charging port, or being pulled out from vehicle-mounted charging port and reinserted into charging pile. Long-term use can cause surface wear of charging head, metal contact oxidation and the like, affect charging efficiency, and even shorten the service life of direct current charging gun. INVENTION CONTENTS

[0004] The utility model provides a direct current charging gun, which helps to prolong the service life of the direct current charging gun.

[0005] The utility model provides a direct current charging gun, which helps to prolong the service life of the direct current charging gun.

[0006] The charging assembly comprises a connecting head mounted on the front side of the charging gun body and a charging head provided on the connecting head.

[0007] The protection assembly comprises a protective cover, the protective cover is provided with a clamping groove for inserting the charging head, and the groove bottom of the clamping groove is provided with a cover plate.

[0008] The edge of the connecting head is connected with the edge of the protective cover through the connecting belt.

[0009] As preferred, the front end of the connecting head is provided with a first annular groove surrounding the charging head, the end face of the protective cover is provided with a second annular groove, the second annular groove is fixedly provided with a ring-shaped sealing air bag, part of the sealing air bag extends out of the second annular groove, and when the protective cover covers the charging head, the sealing air bag extends into the first annular groove.

[0010] As preferred, the front side of the charging head is provided with a plurality of ports and a plurality of third annular grooves, the ports are provided with pins, and the third annular grooves correspond to the ports one by one and surround the outside of the corresponding ports;

[0011] The cover plate is provided with a plurality of barrels corresponding to the third annular grooves, the top end of the barrel is provided with an annular accommodating groove, and the accommodating groove is fixedly provided with an annular rubber ring;

[0012] When the protective cover is covered on the charging head, the barrel is inserted into the corresponding third annular groove and sealed by the rubber ring.

[0013] As preferred, the accommodating groove is a stepped groove.

[0014] As preferred, the outside edge of the connecting head is provided with a first mounting groove, a plurality of first fixing rods extending transversely are fixedly arranged in the first mounting groove, the outside edge of the protective cover is provided with a second mounting groove, a plurality of second fixing rods extending transversely are fixedly arranged in the second mounting groove, one end of the connecting band is provided with a plurality of first perforations corresponding to and matched with the first fixing rods, and the other end of the connecting band is provided with a plurality of second perforations corresponding to and matched with the second fixing rods.

[0015] As preferred, the number of the first fixing rods, the second fixing rods, the first perforations and the second perforations is three.

[0016] As preferred, the outside of the charging gun body is provided with a handle, and the top of the handle is provided with a switch.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. By additionally arranging a protective assembly, the protective cover is covered on the charging head, so that the charging head is always covered in a non-plugging state, direct exposure to rain, dust and other environments is avoided, surface wear and oxidation of metal contacts are reduced, and the service life of the direct current charging gun is prolonged.

[0019] 2. The protective cover and the connecting head are connected through a flexible connecting band, so that the problem of easy loss of the split structure protective cover is avoided, and the structure does not affect the normal plugging operation of the direct current charging gun.

[0020] 3. If the protective assembly is damaged, it can be replaced alone, which helps to reduce maintenance cost. DRAWINGS

[0021] Figure 1 It is a structural schematic view of the utility model;

[0022] Figure 2 A partial structure schematic of the utility model Figure 1 ;

[0023] Figure 3 A partial structure schematic of the utility model Figure 2 ;

[0024] Figure 4 A Figure 3 enlarged schematic view of A in the middle;

[0025] Figure 5 A structure schematic of the connecting belt in the utility model.

[0026] In the figure: 1, the charging gun main body; 11, handle; 12, switch; 2, charging assembly; 21, connecting head; 211, first annular groove; 212, first installation groove; 213, first fixed rod; 22, charging head; 221, port; 222, third annular groove; 223, pin; 3, connecting belt; 31, first perforation; 32, second perforation; 4, protection assembly; 41, protective cover; 411, clamping groove; 412, second annular groove; 413, sealing air bag; 414, second installation groove; 415, second fixed rod; 42, cover plate; 421, cylinder; 422, containing groove. DETAILED DESCRIPTION

[0027] The utility model will be described further in detail below in combination with the embodiment of the drawings.

[0028] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0029] Example one: as Figures 1 to 3 shown, a direct current charging gun includes a charging gun main body 1, the outer surface of the charging gun main body 1 is provided with a handle 11, the top of the handle 11 is provided with a switch 12, the front side of the charging gun main body 1 is provided with a charging assembly 2, a flexible connecting belt 3 and a protection assembly 4. Wherein, the charging assembly 2 includes a connecting head 21 installed on the front side of the charging gun main body 1 and a charging head 22 arranged on the connecting head 21;The protection assembly 4 includes a protective cover 41, the protective cover 41 is provided with a clamping groove 411 for inserting the charging head 22, the groove bottom of the clamping groove 411 is provided with a cover plate 42;The edge of the connecting head 21 is connected with the edge of the protective cover 41 through the connecting belt 3.

[0030] The technical scheme adds the protection assembly 4, the protection cover 41 covers the charging head 22, ensures that the charging head 22 is always covered in the non-plugging state, when needing to use, the DC charging gun is taken off from the charging pile, the protection cover 41 is opened when the user is close to the vehicle-mounted charging port, then the charging head 22 is plugged with the vehicle-mounted charging port and is matched to charge;After charging, the DC charging gun is pulled out, the protection cover 41 is covered, and the DC charging gun is inserted back to the charging pile.

[0031] Embodiment two: as Figures 2 to 4 shown, the rest is same as embodiment one, and the difference is that the front end of the connecting head 21 is provided with a first annular groove 211 surrounding the charging head 22, the end face of the protection cover 41 is provided with a second annular groove 412, the second annular groove 412 is fixedly provided with an annular sealing air bag 413, part of the sealing air bag 413 extends out of the second annular groove 412, when the protection cover 41 covers the charging head 22, the sealing air bag 413 extends into the first annular groove 211, to guarantee the sealing effect.

[0032] In the embodiment, the front side of the charging head 22 is provided with a plurality of ports 221 and a plurality of third annular grooves 222, the port 221 is provided with a plug 223, the plurality of third annular grooves 222 correspond to the plurality of ports 221 one by one, and the third annular groove 222 surrounds the outside of the corresponding port 221;The cover plate 42 is provided with a plurality of barrels 421 corresponding to the plurality of third annular grooves 222 one by one, the top end of the barrel 421 is provided with an annular containing groove 422, and the containing groove 422 is fixedly provided with an annular rubber ring (not shown in the figure);When the protection cover 41 covers the charging head 22, the barrel 421 is inserted into the corresponding third annular groove 222 and sealed by the rubber ring, which helps to improve the sealing effect. Among them, the containing groove 422 is preferably a stepped groove, and the rubber ring is fixed in the stepped groove by glue, so that the rubber ring will not fall off, and the reliability is better.

[0033] Embodiment three: as Figure 2 , Figure 3 and Figure 5 shown, the rest is same as embodiment one, and the difference is that the outer side edge of the connecting head 21 is provided with a first mounting groove 212, a plurality of first fixing rods 213 extending transversely are fixedly arranged in the first mounting groove 212, the outer side edge of the protection cover 41 is provided with a second mounting groove 414, a plurality of second fixing rods 415 extending transversely are fixedly arranged in the second mounting groove 414, one end of the connecting belt 3 is provided with a plurality of first through holes 31 corresponding to and matched with the plurality of first fixing rods 213, and the other end of the connecting belt 3 is provided with a plurality of second through holes 32 corresponding to and matched with the plurality of second fixing rods 415.

[0034] In the embodiment, the number of the first fixed rods 213, the second fixed rods 415, the first perforations 31 and the second perforations 32 is three.

[0035] The utility model has been described above in conjunction with the drawings, and obviously, the implementation of the utility model is not limited by the above-mentioned mode, as long as various improvements are made by adopting the method concept and technical scheme of the utility model, or the concept and technical scheme of the utility model is directly applied to other occasions without improvement, and all are within the protection scope of the utility model.

Claims

1. A DC charging gun, comprising a charging gun body (1), characterized in that: The front side of the charging gun body (1) is provided with a charging component (2), a flexible connecting strap (3), and a protective component (4). The charging assembly (2) includes a connector (21) installed on the front side of the charging gun body (1) and a charging head (22) disposed on the connector (21); The protective component (4) includes a protective cover (41), and the protective cover (41) is provided with a slot (411) for inserting the charging head (22), and a cover plate (42) is provided at the bottom of the slot (411); The edge of the connector (21) is connected to the edge of the protective cover (41) via the connecting strip (3).

2. A DC charging gun according to claim 1, characterized in that: The connector (21) has a first annular groove (211) surrounding the charging head (22) at its front end, and the protective cover (41) has a second annular groove (412) at its end face. An annular sealing airbag (413) is fixedly disposed in the second annular groove (412), and part of the sealing airbag (413) extends out of the second annular groove (412). When the protective cover (41) covers the charging head (22), the sealing airbag (413) extends into the first annular groove (211).

3. A DC charging gun according to claim 1, characterized in that: The front side of the charging head (22) is provided with multiple ports (221) and multiple third annular grooves (222). A pin (223) is provided in the port (221). The multiple third annular grooves (222) correspond one-to-one with the multiple ports (221). The third annular grooves (222) are arranged around the outside of the corresponding ports (221). The cover plate (42) is provided with a plurality of cylinders (421) corresponding one-to-one with the plurality of third annular grooves (222). The top of the cylinder (421) is provided with an annular receiving groove (422), and an annular rubber ring is fixedly provided at the receiving groove (422). When the protective cover (41) is placed on the charging head (22), the cylindrical body (421) is inserted into the corresponding third annular groove (222) and sealed by a rubber ring.

4. A DC charging gun according to claim 3, characterized in that: The receiving groove (422) is a stepped groove.

5. A DC charging gun according to claim 1, characterized in that: The outer edge of the connector (21) is provided with a first mounting groove (212), and a plurality of first fixing rods (213) extending laterally are fixedly provided in the first mounting groove (212). The outer edge of the protective cover (41) is provided with a second mounting groove (414), and a plurality of second fixing rods (415) extending laterally are fixedly provided in the second mounting groove (414). One end of the connecting strip (3) is provided with a plurality of first through holes (31) corresponding to and cooperating with the plurality of first fixing rods (213). The other end of the connecting strip (3) is provided with a plurality of second through holes (32) corresponding to and cooperating with the plurality of second fixing rods (415).

6. A DC charging gun according to claim 5, characterized in that: The number of the first fixing rod (213), the second fixing rod (415), the first through hole (31), and the second through hole (32) are all three.

7. A DC charging gun according to claim 1, characterized in that: The outer side of the charging gun body (1) is provided with a handle (11), and a switch (12) is provided on the top of the handle (11).

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