Detachable power cable connector

Abstract

The present invention discloses a detachable power cable connector, wherein the connector is connected to the end of a power cable, wherein the power cable comprises an inner core, a shielding layer and an outer skin, and the connector comprises a shielding ring, a wiring nose and an outer shell. The connector of the present invention is provided with a shielding ring on the power cable, wherein the shielding ring comprises a first tubular shielding portion and a second tubular shielding portion, wherein the first shielding portion is sleeved on the inner core, the second shielding portion is sleeved on the outer skin, and the second shielding portion contacts the shielding layer located on the surface of the outer skin after being folded, thereby realizing good electromagnetic shielding at the end of the power cable, and having the advantages of simple structure, easy installation and low cost. A waterproof sealing structure is provided between the outer shell and the outer skin, which can play a waterproof role, avoid rainwater erosion and improve service life.

Description

[Technical field]

[0001] The invention relates to the field of connectors, in particular to a detachable power cable connector. [Background technology]

[0002] With the increasing popularity of new energy vehicles, people also have a strong demand for fast charging and discharging. Fast charging has more stringent requirements on power cables. Power cables need to be connected to charging devices with connectors. For high-power power cables, a shielding layer needs to be set to prevent the electromagnetic interference with the charging equipment. Existing connectors are difficult to meet the shielding requirements.

[0003] The present invention is proposed in view of the deficiencies in the prior art. [Summary of the invention]

[0004] In order to solve the above technical problems, the present invention provides a detachable power cable connector, wherein the connector is connected to the end of the power cable, the power cable comprises an inner core, a shielding layer and an outer skin, the connector comprises a shielding ring, a wiring nose and an outer shell, the shielding ring comprises a first tubular shielding portion and a second tubular shielding portion, the first shielding portion is sleeved on the inner core, the second shielding portion is sleeved on the outer skin, and the second shielding portion is in contact with the shielding layer located on the surface of the outer skin after folding, the wiring nose is connected to the end of the inner core, the outer shell is connected to the outside of the shielding ring, and a waterproof sealing structure is provided between the outer shell and the outer skin.

[0005] In the detachable power cable connector as described above, the outer ring of the first shielding part is provided with an annular groove, and an annular hoop is provided on the annular groove.

[0006] In the detachable power cable connector as described above, the annular hoop is formed by connecting annular springs end to end.

[0007] As described above, the detachable power cable connector, the waterproof sealing structure includes a waterproof ring and a waterproof ring retaining frame, the inner ring of the waterproof ring is sleeved on the outer skin, the outer shell is provided with a step hole for accommodating the waterproof ring, and the outer ring of the waterproof ring is connected to the step hole.

[0008] In the detachable power cable connector as described above, the waterproof ring retainer comprises a retainer body connected to the outer shell, and the retainer body is provided with a retaining edge for locking the waterproof ring in the step hole.

[0009] As described above, the detachable power cable connector has a buckle hook disposed on the outer side of the shell, and a buckle hole matched with the buckle hook is disposed on the retaining frame body.

[0010] In the detachable power cable connector as described above, the surface of the inner ring of the waterproof ring is provided with a first sealing protrusion protruding outward.

[0011] In the detachable power cable connector as described above, the surface of the outer ring of the waterproof ring is provided with a second sealing protrusion protruding outward.

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] 1. The connector of the present invention provides a shielding ring on the power cable, wherein the shielding ring includes a first tubular shielding portion and a second tubular shielding portion, wherein the first shielding portion is sleeved on the inner core, the second shielding portion is sleeved on the outer skin, and the second shielding portion is in contact with the shielding layer located on the surface of the outer skin after being folded, thereby achieving good electromagnetic shielding at the end of the power cable, and having the advantages of simple structure, easy installation and low cost; and a waterproof sealing structure is provided between the outer shell and the outer skin, which can achieve waterproof performance, avoid rain erosion and increase service life.

Brief Description of the Drawings

[0014] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0015] Figure 1 It is a structural schematic diagram of the present invention;

[0016] Figure 2 One of the exploded views of the present invention;

[0017] Figure 3 This is the second exploded view of the present invention;

[0018] Figure 4 It is a full cross-sectional schematic diagram of the present invention. [Specific implementation method]

[0019] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0020] like Figures 1 to 4As shown, the detachable power cable connector of this embodiment, the connector is connected to the end of the power cable 100, the power cable 100 includes an inner core 101, a shielding layer 102 and an outer skin 103, the connector includes a shielding ring 1, a wiring nose 2 and an outer shell 3, the shielding ring 1 includes a tubular first shielding part 11 and a tubular second shielding part 12, the first shielding part 11 is sleeved on the inner core 101, the second shielding part 12 is sleeved on the outer skin 103, and the second shielding part 12 is in contact with the shielding layer 102 located on the surface of the outer skin 103 after folding, the wiring nose 2 is connected to the end of the inner core 101, the outer shell 3 is connected to the outside of the shielding ring 1, and a waterproof sealing structure 4 is provided between the outer shell 3 and the outer skin 103. The connector of the present invention provides a shielding ring on the power cable, wherein the shielding ring includes a first tubular shielding portion and a second tubular shielding portion, wherein the first shielding portion is sleeved on the inner core, the second shielding portion is sleeved on the outer skin, and the second shielding portion is in contact with the shielding layer located on the surface of the outer skin after folding, thereby achieving good electromagnetic shielding at the end of the power cable, and having the advantages of simple structure, easy installation and low cost; and a waterproof sealing structure is provided between the outer shell 3 and the outer skin 103, which can achieve waterproof performance, avoid rain erosion, and increase service life.

[0021] In order to make the first shielding part in close contact with the inner core, an annular groove 111 is provided on the outer ring of the first shielding part 11, and an annular hoop 112 is provided on the annular groove 111. The annular hoop improves the closeness between the first shielding part and the inner core.

[0022] In this embodiment, the annular hoop 112 is formed by connecting annular springs end to end. With such a structure, the annular hoop has a larger range of contraction and extension, can provide a stronger contraction force, is easy to install, and has a simple structure, low cost and high reliability.

[0023] In this embodiment, the waterproof sealing structure 4 includes a waterproof ring 41 and a waterproof ring retainer 42, the inner ring of the waterproof ring 41 is sleeved on the outer skin 103, the outer shell 3 is provided with a step hole 31 for accommodating the waterproof ring 41, and the outer ring of the waterproof ring 41 is connected to the step hole 31. The waterproof ring retainer 42 includes a retainer body 421 connected to the outer shell 3, and the retainer body 421 is provided with a retaining edge 422 for locking the waterproof ring 41 in the step hole 31.

[0024] In order to facilitate the assembly of the retainer, a buckle hook 32 is provided on the outer side of the shell 3, and a buckle hole 4211 matching with the buckle hook 32 is provided on the retainer body 421.

[0025] In order to improve the sealing effect of the waterproof ring, a first sealing protrusion 411 protruding outward is provided on the surface of the inner ring of the waterproof ring 41; there are three first sealing protrusions 411, and their cross-section is trapezoidal.

[0026] In order to improve the sealing effect of the waterproof ring, a second sealing protrusion 412 protruding outward is provided on the surface of the outer ring of the waterproof ring 41; there are three second sealing protrusions 412, and their cross-section is trapezoidal.

[0027] The present invention is installed according to the following steps:

[0028] Step 1: Remove a section of the outer skin and fold the shielding layer so that the shielding layer is located on the surface of the outer skin;

[0029] Step 2: Put on the shielding ring in the correct direction and use a crimping machine to press the shielding ring tightly;

[0030] Step 3: Install the annular hoop;

[0031] Step 4: Install the waterproof sealing structure and the housing;

[0032] Step 5: Install the wiring nose.

[0033] This method has the advantages of fewer steps and faster installation.

[0034] The above examples are only used to further illustrate the technical content of the present invention, so that readers can understand it more easily, but they do not mean that the implementation of the present invention is limited to this. Any technical extension or re-creation made according to the present invention is protected by the present invention. The protection scope of the present invention shall be subject to the claims.

Claims

1. A detachable power cable connector, wherein the connector is connected to the end of a power cable (100), wherein the power cable (100) comprises an inner core (101), a shielding layer (102) and an outer sheath (103), and wherein: The connector comprises a shielding ring (1), a wiring nose (2) and a shell (3), wherein the shielding ring (1) comprises a first shielding portion (11) in a tubular shape and a second shielding portion (12) in a tubular shape, wherein the first shielding portion (11) is sleeved on an inner core (101), the second shielding portion (12) is sleeved on an outer skin (103), and the second shielding portion (12) is in contact with a shielding layer (102) located on the surface of the outer skin (103) after being folded, the wiring nose (2) is connected to the end of the inner core (101), the shell (3) is connected to the outside of the shielding ring (1), and a waterproof sealing structure (4) is provided between the shell (3) and the outer skin (103); The outer ring of the first shielding part (11) is provided with an annular groove (111), and an annular hoop (112) is provided on the annular groove (111); The annular hoop (112) is formed by connecting annular springs end to end; The waterproof sealing structure (4) comprises a waterproof ring (41) and a waterproof ring retaining frame (42); the inner ring of the waterproof ring (41) is sleeved on the outer skin (103); the outer shell (3) is provided with a step hole (31) for accommodating the waterproof ring (41); the outer ring of the waterproof ring (41) is connected to the step hole (31); The waterproof ring retainer (42) comprises a retainer body (421) connected to the housing (3), and the retainer body (421) is provided with a retaining edge (422) for locking the waterproof ring (41) in the step hole (31); A buckle hook (32) is provided on the outer side of the shell (3), and a buckle hole (4211) matching with the buckle hook (32) is provided on the retaining frame body (421).

2. The detachable power cable connector according to claim 1 is characterized in that The surface of the inner ring of the waterproof ring (41) is provided with a first sealing protrusion (411) protruding outwards.

3. The detachable power cable connector according to claim 1 is characterized in that A second sealing protrusion (412) protruding outward is provided on the surface of the outer ring of the waterproof ring (41).

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