CN218275337U

CN218275337U - Direct current charging cable

Info

Publication number: CN218275337U
Application number: CN202222179277.8U
Authority: CN
Inventors: 王贝; 冯传功; 朱召; 田长涛
Original assignee: Shandong Lvbao Power Technology Co ltd
Current assignee: Shandong Lvbao Power Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-10
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a direct current charging cable, including fixed block, conducting layer and cable, the conducting layer sets up the fixed block inner wall, the cable cartridge is in the conducting layer, be provided with fastening structure on the fixed block, fastening structure, include: the pressing sleeve, the connecting part, the extruding part and the shielding part. The utility model discloses be provided with swing joint's the cover that compresses tightly, cooperation cusp surface can be firm compress tightly on the cable epidermis to can not destroy the cable, can further compress tightly through the clamp plate again contacting, can effectively solve the not hard up condition that drops to be provided with the cover that shelters in the fastening bolt department of bottom, can block the fastening bolt that exposes externally, avoid contacting the outside and lead to the electric leakage and become flexible.

Description

Direct current charging cable

Technical Field

The utility model belongs to the technical field of the cable technique and specifically relates to a direct current charging cable is related to.

Background

At present, a dc cable is a power cable used in a dc power transmission and distribution system, and the structure of the dc cable is substantially the same as that of an ac cable except that the dc cable has different electrical characteristics from that of an ac cable.

In the use of cable, need be connected the tip and the wiring end of cable, need finish the back at the cable and install the connector lug additional, but among the prior art, the installation of connector lug and cable is comparatively inconvenient, also can't guarantee the fastening of junction, in long-term use, causes contact failure's phenomenon to take place very easily, greatly reduced the inconvenience of use.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above purpose, the technical solution adopted by the present invention is that the present invention provides a dc charging cable, which includes a fixed block, a conductive layer and a cable, wherein the conductive layer is arranged on the inner wall of the fixed block, the cable is inserted into the conductive layer, and the fixed block is provided with a fastening structure;

the fastening structure includes: the pressing sleeve, the connecting part, the extruding part and the shielding part are arranged on the base;

the pressing sleeve is arranged at two ends of the fixed block through the connecting part, the extruding part is arranged in the fixed block, and the shielding part is arranged outside the fixed block.

Still further, the connecting portion includes: the connecting device comprises a movable cavity, a connecting frame, a first spring, a limiting hole and a connecting bolt;

the movable cavity is arranged in the fixed block, the connecting frame is arranged on the lower end face of the compression sleeve, the lower end face of the compression sleeve is movably sleeved and connected in the movable cavity, the first spring is sleeved and connected on the connecting frame, the limiting hole is arranged in the bottom face of the fixed block, the connecting bolt is connected in a limiting rotating mode, the limiting hole is arranged in the limiting hole, and one end of the connecting bolt is connected in the connecting frame in a rotating mode.

Further, the pressing portion includes: the device comprises a threaded hole, a pressing plate, a rotating groove and a fastening bolt;

the screw hole is opened the fixed block bottom surface, the swivelling chute is opened the clamp plate bottom surface, fastening bolt revolves to twist to be connected in the screw hole, the clamp plate passes through the swivelling chute rotates the suit and connects fastening bolt upper end.

Further, the shielding portion includes: the connecting block, the shielding cover, the second spring and the notch;

the connecting block sets up the fixed block bottom surface, the shading cover dress connects on the connecting block, the second spring coupling be in the connecting block with between the shading cover, the opening of opening is in connecting cover side end face.

Preferably, the surface of the fixed block and the surface of the pressure plate are both in a tooth-shaped structure.

Preferably, the cross section of the sliding connection part of the connecting block and the shielding cover is of a T-shaped structure.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect, is provided with swing joint's the cover that compresses tightly, cooperation cusp surface can be firm compress tightly on the cable epidermis to can not destroy the cable, can compress tightly through the clamp plate to the contact is further again, can effectively solve the not hard up condition that drops to fastening bolt department in the bottom is provided with the cover that shelters from, can block exposed fastening bolt outside, avoids contacting the outside electric leakage and not hard up that leads to.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a dc charging cable according to this embodiment;

fig. 2 is a side cross-sectional view of a dc charging cable according to this embodiment;

fig. 3 is a partially enlarged view of a fastening bolt portion of a dc charging cable according to the present embodiment;

shown in the figure: 1. a fixed block; 2. a conductive layer; 3. a cable; 4. a compression sleeve; 5. a movable cavity; 6. a connecting frame; 7. a first spring; 8. a limiting hole; 9. a connecting bolt; 10. a threaded hole; 11. pressing a plate; 12. a rotating tank; 13. fastening a bolt; 14. connecting blocks; 15. a cover shield; 16. a second spring; 17. and (6) opening the groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In the embodiment, as can be seen from fig. 1 to 3 of the specification, the direct current charging cable according to the present invention includes a fixed block 1, a conductive layer 2, and a cable 3, wherein the conductive layer 2 is disposed on an inner wall of the fixed block 1, the cable 3 is inserted into the conductive layer 2, and a fastening structure is disposed on the fixed block 1;

the fastening structure includes: the pressing sleeve 4, the connecting part, the extruding part and the shielding part;

the pressing sleeve 4 is arranged at two ends of the fixed block 1 through the connecting part, the extrusion part is arranged in the fixed block 1, and the shielding part is arranged outside the fixed block 1.

The connecting portion includes: the device comprises a movable cavity 5, a connecting frame 6, a first spring 7, a limiting hole 8 and a connecting bolt 9;

the utility model discloses a fixed block, including the fixed block 6, the activity chamber 5 is opened in fixed block 1, link 6 sets up compress tightly terminal surface and activity suit under the cover 4 and connect in the activity chamber 5, first spring 7 suit is connected on link 6, spacing hole 8 is opened 1 bottom surface of fixed block, the spacing suit of rotating of connecting bolt 9 is connected in spacing hole 8 and one end revolve twist and connect in link 6.

The pressing part includes: a threaded hole 10, a pressure plate 11, a rotary groove 12 and a fastening bolt 13;

threaded hole 10 is opened 1 bottom surface of fixed block, 12 division of rotatory grooves are in 11 bottoms surfaces of clamp plate, fastening bolt 13 revolves to twist to be connected in threaded hole 10, clamp plate 11 passes through 12 rotation suit of rotatory grooves are connected fastening bolt 13 upper end.

The shielding portion includes: the connecting block 14, the shielding cover 15, the second spring 16 and the notch 17;

connecting block 14 sets up 1 bottom surface of fixed block, it connects to shelter from the cover dress of cover 15 on the connecting block 14, second spring 16 is connected the connecting block 14 with shelter from between the cover 15, the opening of gap 17 is in connecting cover side end face.

From the above, it can be seen that: the surface of the fixing block 1 and the surface of the pressing plate 11 are both of a toothed structure and can be pressed on the surface of the cable 3, so that the cable is prevented from falling off due to stretching.

From the above, it can be seen that: the cross section of the sliding connection part of the connecting block 14 and the shielding cover 15 is of a T-shaped structure, the T-shaped structure is connected more tightly and cannot fall off, and the connecting block is matched with the notch 17 on the shielding cover 15 to cover the fastening bolt 13 inside.

It is important to point out that, in the specific implementation process, the cable 3 is inserted into the fixed block 1 and located between the pressing sleeves 4, then the pressing sleeves 4 are pressed downwards, then the connecting bolt 9 is screwed into the connecting frame 6 to be fixed so as to clamp the cable 3, then the fastening bolt 13 is screwed so that the pressing plate 11 presses the joint, and then the shielding cover 15 is pushed by the second spring 16 to move so that the notch 17 is sleeved on the fastening bolt 13, so that the cable can be prevented from being exposed outside.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A direct current charging cable comprises a fixed block (1), a conducting layer (2) and a cable (3), wherein the conducting layer (2) is arranged on the inner wall of the fixed block (1), and the cable (3) is inserted into the conducting layer (2), and is characterized in that a fastening structure is arranged on the fixed block (1);

the fastening structure includes: the pressing sleeve (4), the connecting part, the extruding part and the shielding part;

the pressing sleeve (4) is arranged at two ends of the fixed block (1) through the connecting portion, the extrusion portion is arranged in the fixed block (1), and the shielding portion is arranged outside the fixed block (1).

2. The dc charging cable according to claim 1, wherein the connecting portion comprises: the device comprises a movable cavity (5), a connecting frame (6), a first spring (7), a limiting hole (8) and a connecting bolt (9);

activity chamber (5) are opened in fixed block (1), link (6) set up compress tightly end face and activity suit and connect under cover (4) in activity chamber (5), first spring (7) suit is connected on link (6), spacing hole (8) are opened fixed block (1) bottom surface, connecting bolt (9) spacing rotation suit is connected in spacing hole (8) and one end revolve wrong connect be in link (6).

3. The dc charging cable according to claim 1, wherein the pressing portion includes: the device comprises a threaded hole (10), a pressure plate (11), a rotating groove (12) and a fastening bolt (13);

the screw hole (10) is opened fixed block (1) bottom surface, rotary groove (12) are opened clamp plate (11) bottom surface, fastening bolt (13) are twisted soon and are connected in screw hole (10), clamp plate (11) pass through rotary groove (12) rotate the suit and connect fastening bolt (13) upper end.

4. The dc charging cable according to claim 1, wherein the shielding portion includes: the device comprises a connecting block (14), a shielding cover (15), a second spring (16) and a notch (17);

connecting block (14) set up fixed block (1) bottom surface, it connects to cover (15) shielding cover (15) dress on connecting block (14), second spring (16) are connected connecting block (14) with cover between (15), open slot (17) are in connect cover side end face.

5. A dc charging cable according to claim 2, characterized in that the surface of the fixing block (1) and the surface of the pressure plate (11) are both tooth-like structures.

6. The direct current charging cable according to claim 4, wherein the cross section of the sliding connection part of the connecting block (14) and the shielding cover (15) is T-shaped.