Fixing structure of direct current charging gun cable and charging gun

Abstract

The utility model discloses a direct current charging gun cable fixing structure and a charging gun, and relates to the electric automobile direct current charging gun technology field, the direct current charging gun cable fixing structure comprises a semi-ring-shaped first wire clamp and a semi-ring-shaped second wire clamp, the first wire clamp is provided with a positioning hole, and the second wire clamp is provided with a positioning hole. A positioning column matched with the positioning hole is arranged on the second wire clamp; the first wire clamp is further provided with a locking hole, the second wire clamp is provided with a first threaded hole matched with the locking hole, and the locking hole and the first threaded hole are fixedly connected through a first locking assembly. The first wire clamp is provided with a second threaded hole, and the second threaded hole is used for passing through a screw column on a shell at the tail part of the charging gun and is fixed with the screw column through a second locking assembly. The second wire clamp is further provided with a protruding column used for being connected with a decorative cover of the charging gun in a clamped mode and a protruding check block used for being matched with a notch in the wall of a shell at the tail of the charging gun. According to the utility model, firm and reliable fixing requirements are met, and the cost is saved because the first wire clamp and the second wire clamp are both arranged in the tail shell of the charging gun and electroplating is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric automobile direct current charging gun technical field, specifically, it is a direct current charging gun cable's fixed knot and charging gun. BACKGROUND

[0002] With the development of electric vehicle industry, electric vehicle charging field also follows the rapid development, and people's demand for charging products is also higher and higher, needs to satisfy the demand of fast charging, the fixed mode of charging gun tail cable is directly related to the stability of cable and charging gun connection. The cable fixing of traditional charging gun is to add two clamps at the tail of charging gun, which not only cannot meet the firm and reliable fixing demand, but also affects the integrity of the whole charging gun product. Because of exposure, electroplating is usually needed. High cost and not environmental protection. SUMMARY

[0003] The utility model discloses a direct current charging gun cable's fixed knot and charging gun, which is used to solve the problem of the cable fixing of the charging gun in the prior art, which is to add two clamps at the tail of the charging gun, cannot meet the firm and reliable fixing demand and needs electroplating, high cost and not environmental protection.

[0004] The utility model discloses a direct current charging gun cable's fixed knot and charging gun, which is used to solve the problem of the cable fixing of the charging gun in the prior art, which is to add two clamps at the tail of the charging gun, cannot meet the firm and reliable fixing demand and needs electroplating, high cost and not environmental protection.

[0005] A direct current charging gun cable's fixed knot, including the first wire clamp and the second wire clamp of half ring, be provided with the positioning hole on the first wire clamp, be provided with the positioning column that matches with the positioning hole on the second wire clamp, still be provided with the locking hole on the first wire clamp, be provided with the first screw hole that matches with the locking hole on the second wire clamp, the locking hole and first screw hole are fixedly connected through the first locking assembly, be provided with the second screw hole on the first wire clamp, the second screw hole is used to pass through the screw column on the tail casing of charging gun and is fixed with the screw column through the second locking assembly, still be provided with the convex column for the decorative cover of charging gun and the convex block for the notch matching on the tail casing wall of charging gun on the second wire clamp.

[0006] Further, the first locking assembly is a machine tooth screw.

[0007] Further, the second locking assembly is a self-tapping screw.

[0008] Further, the inner side of the first wire clamp and the second wire clamp is toothed.

[0009] Further, the first wire clamp and the second wire clamp are made of metal material.

[0010] Further, the first wire clamp and the second wire clamp are made of zinc alloy or aluminum alloy pressure casting sand blasting.

[0011] A direct current charging gun, comprising a fixing structure of a direct current charging gun cable as described above.

[0012] A fixing method of a direct current charging gun cable, comprising:

[0013] Step S1, installing the first clamp along the screw column on the charging gun tail shell to the charging gun tail shell, and fixing the first clamp and the screw column by using the second locking assembly;

[0014] Step S2, installing the cable at the position where the charging gun tail shell is above the first clamp;

[0015] Step S3, installing the second clamp along the radial direction of the charging gun tail shell, inserting the positioning column on the second clamp into the positioning hole on the first clamp, fixing the first threaded hole of the second clamp and the locking hole of the first clamp by using the first locking assembly, and clamping the cable;

[0016] Step S4, inserting the decorative cover of the charging gun along the protruding column on the second clamp into the charging gun tail shell and clamping the charging gun tail shell; the protruding block on the second clamp is blocked on the notch of the charging gun tail shell wall of the charging gun tail shell;

[0017] Step S5, fixing the tail cover sleeved on the cable to the charging gun tail shell by using the third locking assembly, and completing the assembly. The tail cover contains a wire sealing body and a wire protection sleeve.

[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0019] (1) The utility model provides a fixing structure of a direct current charging gun cable, which meets the firm and reliable fixing requirement and does not need electroplating because the first clamp and the first clamp are both in the charging gun tail shell, thereby saving cost.

[0020] (2) In the utility model, the first clamp is guided and installed along the two existing screw columns 32 for fixing the tail cover on the charging gun tail shell, and the first clamp does not move freely in other directions during assembly and after being installed.

[0021] (3) In the utility model, the cable is completely fixed to the inner clamp and the shell, and the tail cover is not needed to increase the fixing force, so that the tail cover and the fixing screw do not bear any pulling force, can be gap matched, and do not need to be reinforced, thereby reducing cost.

[0022] (4) In the utility model, the second clamp has two protruding columns, which are sleeved on the decorative cover, and the purpose is to transfer the pulling force of the cable to the entire charging gun shell, avoid that the fixing screw in the axial direction bears the pulling force of the cable, reduce the requirement for the screw and the screw column, increase the fixing strength, and improve the reliability. Attached Figure Description

[0023] Figure 1 This is a schematic diagram showing the positions of the first wire clamp and the tail housing of the charging gun in this utility model;

[0024] Figure 2 This is a schematic diagram showing the structure and installation position of the second wire clamp in this utility model;

[0025] Figure 3 This is a schematic diagram showing the fit between the first and second wire clamps;

[0026] Figure 4 This is a schematic diagram of the installation of the second wire clamp;

[0027] Figure 5 This is a schematic diagram showing the installation of the tail cap, the tail housing of the charging gun, and the second wire clamp.

[0028] Figure 6 This is a diagram showing the completed installation of the tail cap;

[0029] Figure 7 This is a schematic diagram of the tail cap assembly.

[0030] Figure 8 A cross-sectional view showing the mounting positions of the first wire clamp, the second wire clamp, and the tail housing of the charging gun;

[0031] Figure 9 A schematic diagram showing the completed assembly of the charging gun cable;

[0032] Among them, 1-first wire clamp; 11-positioning hole; 12-locking hole; 13-second threaded hole; 2-second wire clamp; 21-positioning post; 22-protruding stop block; 23-protruding post; 24-first threaded hole; 3-charging gun tail housing; 31-charging gun tail housing wall; 32-screw post; 4-cable; 5-sealing body; 6-self-tapping screw; 7-machine screw; 8-decorative cover; 9-tail cover; 10-wire protector. Detailed Implementation

[0033] The present invention will be further described in detail below with reference to the embodiments, but the implementation of the present invention is not limited thereto.

[0034] Example 1:

[0035] Combined with appendix Figures 1-9As shown, a fixing structure of a DC charging gun cable comprises a first wire clamp 1 and a second wire clamp 2, the first wire clamp 1 is provided with a positioning hole 11, and the second wire clamp 2 is provided with a positioning column 21 matched with the positioning hole 11; the first wire clamp 1 is further provided with a locking hole 12, and the second wire clamp 2 is provided with a first threaded hole 24 matched with the locking hole 12, and the locking hole 12 and the first threaded hole 24 are fixedly connected through a first locking assembly; the first wire clamp 1 is provided with a second threaded hole 13, the second threaded hole 13 is used for penetrating a screw column 32 on a tail shell 3 of the charging gun and is fixed with the screw column 32 through a second locking assembly; the second wire clamp 2 is further provided with a convex column 23 used for clamping a decorative cover 8 of the charging gun and a convex block 22 used for matching a notch on a tail shell wall 31 of the charging gun. The decorative cover 8 is designed above the charging gun, which not only ensures the strength of the whole tail part, but also retains the integrity of the position below which the hand can touch.

[0036] Further, the first locking assembly is a toothed screw 7.

[0037] Further, the second locking assembly is a self-tapping screw 6.

[0038] Further, the inner side of the first wire clamp 1 and the second wire clamp 2 is toothed.

[0039] Further, the first wire clamp 1 and the second wire clamp 2 are made of metal material.

[0040] Further, the first wire clamp 1 and the second wire clamp 2 are made of zinc alloy or aluminum alloy pressure casting and sand blasting.

[0041] Since the first wire clamp 1 and the second wire clamp 2 need to maintain rigidity, they are usually made of metal material, and mass production is usually made of aluminum alloy or zinc alloy pressure casting, and if exposed outside, high requirement surface treatment such as electroplating and oxidation is required, which is not environmentally friendly and high in cost. The two wire clamps of the utility model are hidden inside the shell and do not need high requirement surface treatment such as electroplating, but can be made of zinc alloy pressure casting and sand blasting, which is environmentally friendly and reduces cost.

[0042] Embodiment 2:

[0043] A DC charging gun comprises the fixing structure of the DC charging gun cable according to embodiment 1.

[0044] Embodiment 3:

[0045] Combined with the accompanying drawings Figures 1-9 As shown, a fixing method of a DC charging gun cable comprises:

[0046] Step S1, the first clamp 1 is installed along the screw column 32 on the charging gun tail shell 3 to the charging gun tail shell 3, and the first clamp 1 is fixed with the screw column 32 along the axial direction of the charging gun tail shell 3 by using the second locking assembly (such as 2 self-tapping screws 6); when the first clamp 1 is installed into the charging gun tail shell 3, the first clamp 1 is guided to be installed along the two existing screw columns 32 on which the fixed tail cover of the charging gun tail shell 3 is installed, and the first clamp 1 cannot freely move in other directions during the installation process and after being installed, the limiting is accurate and reliable, and the operation is convenient;

[0047] Step S2, the cable 4 is installed at the position where the charging gun tail shell 3 is located above the first clamp 1;

[0048] Step S3, after the cable 4 is installed, the second clamp 2 is installed at the opening of the charging gun tail shell 3 corresponding to the position of the clamp in the radial direction of the charging gun tail shell 3, the positioning column 21 on the second clamp 2 is inserted into the positioning hole 11 on the first clamp 1, and the first threaded hole 24 of the second clamp 2 is fixed with the locking hole 12 of the first clamp 1 along the direction perpendicular to the axial direction of the charging gun tail shell 3 by using the first locking assembly (such as 2 machine tooth screws 7), and the cable 4 is clamped;

[0049] Step S4, the decorative cover 8 of the charging gun is inserted into and clamped with the charging gun tail shell 3 through the lock buckle on the protruding column 23 of the second clamp 2; the protruding stopper 22 on the second clamp 2 is blocked on the notch of the charging gun tail shell wall of the charging gun tail shell 3; the assembled second clamp 2 has a protruding stopper 22 which is blocked on the notch of the charging gun tail shell wall 31 of the charging gun tail shell 3, and the second clamp 2 also has two protruding columns 23 which are sleeved on the decorative cover 8, the purpose is to transfer the pulling force of the cable 4 to the entire charging gun shell, avoid that the pulling force of the cable is completely borne by the axial fixing screw, reduce the requirement for the screw and the screw column, increase the fixing strength, and improve the reliability.

[0050] Step S5, the tail cover 9 sleeved to the cable 4 is fixed to the charging gun tail shell 3 by using the third locking assembly, the tail cover 9 contains the wire sealing body 5 and the wire protection sleeve 10, and the assembly is completed. The third locking assembly is 4 self-tapping screws.

[0051] Since the cable is completely fixed to the inner clamp and the shell, the tail cover 9 and the fixing screw do not need to increase the fixing force, so the tail cover 9 and the fixing screw do not bear any pulling force, can be used in clearance fit, and do not need to be reinforced and designed, thereby reducing the cost. Moreover, the first clamp 1 and the second clamp 2 are hidden in the shell and do not need to be surface treated such as electroplating, and can be sandblasted by die casting zinc alloy.

[0052] Although the present application has been described with reference to the explanatory embodiments thereof, the above-described embodiments are merely the preferred embodiments of the present application, and the embodiments of the present application are not limited to the above-described embodiments, and it should be understood that many other modifications and embodiments can be designed by those skilled in the art, and these modifications and embodiments will fall within the scope and spirit of the principles disclosed in the present application.

Claims

1. A fixing structure of a DC charging gun cable, characterized by, The fixing structure of the direct current charging gun cable comprises a first clamp (1) and a second clamp (2), the first clamp (1) is provided with a positioning hole (11), the second clamp (2) is provided with a positioning column (21) matched with the positioning hole (11); the first clamp (1) is further provided with a locking hole (12), the second clamp (2) is provided with a first threaded hole (24) matched with the locking hole (12), the locking hole (12) and the first threaded hole (24) are fixedly connected through a first locking assembly; the first clamp (1) is provided with a second threaded hole (13), the second threaded hole (13) is used for penetrating through a screw column (32) on a tail shell (3) of the charging gun and is fixed with the screw column (32) through a second locking assembly; the second clamp (2) is further provided with a convex column (23) used for clamping with a decorative cover (8) of the charging gun and a convex block (22) used for matching with a notch on a tail shell wall (31) of the charging gun.

2. The fixing structure of a DC charging gun cable according to claim 1, characterized in that, The first locking assembly is a machine tooth screw (7).

3. The fixing structure of a DC charging gun cable according to claim 1, characterized in that, The second locking assembly is a self-tapping screw (6).

4. The fixing structure of a DC charging gun cable according to claim 1, characterized in that, The inner side of the first clamp (1) and the second clamp (2) is toothed.

5. The fixing structure of a DC charging gun cable according to claim 1, characterized in that, The first clamp (1) and the second clamp (2) are made of metal material.

6. The DC charging gun cable fixing structure according to claim 5, characterized in that, The first clamp (1) and the second clamp (2) are made of zinc alloy or aluminum alloy pressure casting sand blasting.

7. A direct current charging gun, characterized by The fixing structure of the direct current charging gun cable comprises a first clamp (1) and a second clamp (2), the first clamp (1) is provided with a positioning hole (11), the second clamp (2) is provided with a positioning column (21) matched with the positioning hole (11); the first clamp (1) is further provided with a locking hole (12), the second clamp (2) is provided with a first threaded hole (24) matched with the locking hole (12), the locking hole (12) and the first threaded hole (24) are fixedly connected through a first locking assembly; the first clamp (1) is provided with a second threaded hole (13), the second threaded hole (13) is used for penetrating through a screw column (32) on a tail shell (3) of the charging gun and is fixed with the screw column (32) through a second locking assembly; the second clamp (2) is further provided with a convex column (23) used for clamping with a decorative cover (8) of the charging gun and a convex block (22) used for matching with a notch on a tail shell wall (31) of the charging gun. The first locking assembly is a machine tooth screw (7). The second locking assembly is a self-tapping screw (6). The inner side of the first clamp (1) and the second clamp (2) is toothed. The first clamp (1) and the second clamp (2) are made of metal material. The first clamp (1) and the second clamp (2) are made of zinc alloy or aluminum alloy pressure casting sand blasting.

Images