Special cable for charging electric vehicle

Abstract

The utility model belongs to the technical field of electric vehicle charging, and particularly relates to a special cable for electric vehicle charging, which comprises a charging head, a cable main body arranged on one side of the charging head, a connecting part arranged outside one side of the cable main body, a fastening block arranged on one side of the connecting part, and a sealing ring arranged on the other side of the connecting part. A fastening assembly is arranged on the surface of the connecting part, a threaded hole is formed in the fastening block, an extension part is arranged on one side of the charging head, and an external thread is arranged on the surface of the extension part. According to the utility model, the connecting part is movably connected to the external surface of the cable main body, the connecting part is matched with the extension part fixedly mounted on one side of the charging head, and the cable main body and the charging head are easier and more convenient to assemble and disassemble under the action of the fastening block, so that the cable main body can be conveniently maintained when being damaged, and the service life of the cable is prolonged. Therefore, the use effect of the special cable for charging the electric vehicle is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle charging, in particular to a special cable for electric vehicle charging. Background Art

[0002] The charging system provides energy for the operation of electric vehicles. It is an important basic support system for electric vehicles and an important link in the commercialization and industrialization of electric vehicles. With the rapid development of the electric vehicle industry, charging technology has become one of the key factors restricting the development of the industry.

[0003] The prior art has the following problems:

[0004] When the existing dedicated charging cables for electric vehicles are in use, the outer surface of the cables is usually cracked due to frequent plugging and unplugging of the charging cables and the charging head. After the cracks, insulating tape is usually used to repair them. However, after a period of use, the tape will still crack and expose the internal circuits, thus posing a greater safety hazard. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a special cable for charging electric vehicles, which solves the problem that the special cable for charging electric vehicles is easy to crack and break and is not convenient to repair.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a special cable for charging electric vehicles, comprising a charging head, a cable body is provided on one side of the charging head, a connecting part is provided on the outside of one side of the cable body, a fastening block is provided on one side of the connecting part, a sealing ring is provided on the other side of the connecting part, a fastening assembly is provided on the surface of the connecting part, a threaded hole is provided inside the fastening block, an extension part is provided on one side of the charging head, and an external thread is provided on the surface of the extension part.

[0007] As a preferred technical solution of the utility model, the connecting part includes a sleeve, a through hole and a push rod, the through hole is fixedly installed on the sleeve, the push rod is fixedly installed on both sides inside the sleeve, and the sleeve is fixedly installed on the fastening block.

[0008] As a preferred technical solution of the utility model, the fastening assembly includes a fastening bolt and a clamping plate, the fastening bolt is threadedly connected to the connecting part, and the clamping plate is movably connected to the fastening bolt.

[0009] As a preferred technical solution of the utility model, the extension part includes a fixed block, a guide rod, a mounting plate, a bellows and a connecting cable, the fixed block is fixedly installed inside the extension part, the guide rod is fixedly installed on the extension part, the bellows is fixedly connected to the mounting plate, and the connecting cable is sleeved inside the mounting plate.

[0010] As a preferred technical solution of the utility model, the threaded hole passes through the fastening block, the fastening block and the sleeve are both sleeved on the outside of the extension part, and the threaded hole is threadedly connected to the external thread.

[0011] As a preferred technical solution of the utility model, the fastening bolts are threadedly connected inside the two sides of the connecting part, the clamping plate is made of insulating rubber material, and the connecting part is made of insulating material.

[0012] As a preferred technical solution of the utility model, the guide rod is fixedly connected between the fixed block and the extension part, the mounting plate is slidably connected to the guide rod, the connecting cable is sleeved inside the mounting plate and the corrugated tube, and the connecting cable is movably installed on the cable body.

[0013] Compared with the prior art, the utility model provides a special cable for charging electric vehicles, which has the following beneficial effects:

[0014] The utility model provides a special cable for charging electric vehicles, which has an extension part installed on one side of a charging head, and a connecting cable connected to the charging head is sleeved inside a corrugated tube and a mounting plate, and a connecting part is sleeved on the outer surface of a cable body, and a push rod is installed inside the connecting part. Therefore, after the cable body is connected to the connecting cable, the push rod pushes the mounting plate and the cable body to contract toward the inside of the extension part through a threaded connection between a threaded hole of a fastening block and an external thread on the outside of the extension part, thereby protecting the connection. When the charging cable is broken after long-term use, the connecting part and the extension part can be separated by twisting the fastening bolt and the fastening block. By separating the cable body from the connecting cable of the charging head, the damaged part of the cable body can be conveniently repaired, thereby improving the use effect of the charging cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is the front view of the overall connection structure of the utility model;

[0016] Figure 2 This is a diagram of the internal structure of the through hole of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connection part of the utility model;

[0018] Figure 4 This is an analysis diagram of the internal structure of the extension part of the utility model.

[0019] In the figure: 1. Charging head; 2. Cable body; 3. Connecting part; 31. Sleeve; 32. Through hole; 33. Push rod; 4. Fastening block; 5. Sealing ring; 6. Fastening assembly; 61. Fastening bolt; 62. Clamping plate; 7. Threaded hole; 8. Extension part; 81. Fixing block; 82. Guide rod; 83. Mounting plate; 84. Bellows; 85. Connecting cable; 9. External thread. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 In this embodiment: a special cable for charging an electric vehicle comprises a charging head 1, a cable body 2 is arranged on one side of the charging head 1, a connecting portion 3 is arranged on the outside of one side of the cable body 2, and the cable body 2 is installed through the connecting portion 3; a fastening block 4 is arranged on one side of the connecting portion 3, a sealing ring 5 is arranged on the other side of the connecting portion 3, a fastening assembly 6 is arranged on the surface of the connecting portion 3, a threaded hole 7 is opened inside the fastening block 4, and the connecting portion 3 is connected to the extension portion 8 through the fastening block 4; an extension portion 8 is arranged on one side of the charging head 1, and an external thread 9 is arranged on the surface of the extension portion 8.

[0022] In this embodiment, the connecting part 3 includes a sleeve 31, a through hole 32 and a push rod 33. The through hole 32 is fixedly installed with the sleeve 31, and the push rod 33 is fixedly installed on both sides of the inside of the sleeve 31. The sleeve 31 is fixedly installed with the fastening block 4, and the connecting part 3 is driven to move by the fastening block 4; the fastening assembly 6 includes a fastening bolt 61 and a clamping plate 62. The fastening bolt 61 is threadedly connected with the connecting part 3, and the clamping plate 62 is movably connected with the fastening bolt 61. The cable body 2 is fixed to the inside of the connecting part 3 by the clamping plate 62 and the fastening bolt 61; the extension part 8 includes a fixing block 81, a guide rod 82, a mounting plate 83, a bellows 84 and a connecting cable 85. The fixing block 81 is fixedly installed inside the extension part 8, the guide rod 82 is fixedly installed with the extension part 8, and the bellows 84 is fixedly connected to the mounting plate 83, the connecting cable 85 is sleeved inside the mounting plate 83, and the connecting cable 85 is driven to move by the mounting plate 83; the threaded hole 7 passes through the fastening block 4, the fastening block 4 and the sleeve 31 are both sleeved on the outside of the extension part 8, the threaded hole 7 is threadedly connected to the external thread 9, and the fastening block 4 is connected to the extension part 8 through the threaded connection between the threaded hole 7 and the external thread 9; the fastening bolts 61 are threadedly connected to the inside of the two sides of the connecting part 3, the clamping plate 62 is made of insulating rubber material, and the connecting part 3 is made of insulating material; the guide rod 82 is fixedly connected between the fixing block 81 and the extension part 8, the mounting plate 83 is slidably connected to the guide rod 82, the connecting cable 85 is sleeved on the inside of the mounting plate 83 and the corrugated tube 84, and the connecting cable 85 is movably installed with the cable body 2.

[0023] The working principle and use process of the utility model are as follows: after the operator puts the sleeve 31 of the connecting part 3 on the surface of the cable body 2, and connects the cable body 2 with the connecting cable 85 of the charging head 1, the operator aligns the sleeve 31 and the fastening block 4 with the extension part 8, and uses the threaded hole 7 of the fastening block 4 to threadably connect with the external thread 9 on the surface of the extension part 8, so that the connecting part 3 and the extension part 8 can be connected and installed. During the installation process, the connection point of the connecting cable 85 and the cable body 2 is pushed into the interior of the extension part 8 by the action of the push rod 32, and at the same time, the fastening bolt 61 is rotated so that the clamping plate 62 fixes the cable body 2 and the connecting part 3, so as to complete the convenient connection between the cable body 2 and the charging head 1. When the cable body 2 is broken and needs to be repaired, it is only necessary to reverse the fastening bolt 61 and the fastening block 4 to separate the connecting part 3 from the extension part 8 and then separate the cable body 2 from the connecting cable 85, so that the cable body 2 can be conveniently repaired.

[0024] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A special cable for charging electric vehicles, characterized by: The invention comprises a charging head (1), wherein a cable body (2) is arranged on one side of the charging head (1), a connecting portion (3) is arranged on the outside of one side of the cable body (2), a fastening block (4) is arranged on one side of the connecting portion (3), a sealing ring (5) is arranged on the other side of the connecting portion (3), a fastening assembly (6) is arranged on the surface of the connecting portion (3), a threaded hole (7) is arranged inside the fastening block (4), an extension portion (8) is arranged on one side of the charging head (1), and an external thread (9) is arranged on the surface of the extension portion (8).

2. The electric vehicle charging cable according to claim 1, characterized in that: The connecting portion (3) comprises a sleeve (31), a through hole (32) and a push rod (33); the through hole (32) and the sleeve (31) are fixedly mounted; the push rod (33) is fixedly mounted on both sides of the interior of the sleeve (31); and the sleeve (31) and the fastening block (4) are fixedly mounted.

3. The electric vehicle charging cable according to claim 1, characterized in that: The fastening assembly (6) comprises a fastening bolt (61) and a clamping plate (62), wherein the fastening bolt (61) is threadedly connected to the connecting portion (3), and the clamping plate (62) is movably connected to the fastening bolt (61).

4. The electric vehicle charging cable according to claim 1, characterized in that: The extension portion (8) comprises a fixing block (81), a guide rod (82), a mounting plate (83), a bellows (84) and a connecting cable (85); the fixing block (81) is fixedly mounted inside the extension portion (8); the guide rod (82) is fixedly mounted on the extension portion (8); the bellows (84) is fixedly connected to the mounting plate (83); and the connecting cable (85) is sleeved inside the mounting plate (83).

5. The electric vehicle charging cable according to claim 2, characterized in that: The threaded hole (7) passes through the fastening block (4); the fastening block (4) and the sleeve (31) are both sleeved on the outside of the extension portion (8); and the threaded hole (7) is threadedly connected to the external thread (9).

6. The electric vehicle charging cable according to claim 3, characterized in that: The fastening bolts (61) are threadedly connected to the inside of two sides of the connecting portion (3); the clamping plate (62) is made of insulating rubber material; and the connecting portion (3) is made of insulating material.

7. The electric vehicle charging cable according to claim 4, characterized in that: The guide rod (82) is fixedly connected between the fixing block (81) and the extension portion (8); the mounting plate (83) is slidably connected to the guide rod (82); the connecting cable (85) is sleeved inside the mounting plate (83) and the corrugated tube (84); and the connecting cable (85) is movably mounted on the cable body (2).

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