Cable locking structure and charging gun

Abstract

The utility model belongs to the technical field of charging guns, and particularly relates to a cable locking structure and a charging gun, the cable locking structure comprises a charging gun shell, a cable, a first locking block, a second locking block and an end cover provided with a first through hole; the first locking block is connected with the second locking block, a second through hole is formed between the first locking block and the second locking block in a surrounding mode, and the cable penetrates through the second through hole. The end cover is further provided with an annular baffle extending towards the center of the first through hole. The end cover is installed on the charging gun shell, the first locking block and the second locking block are both installed in the first through hole, and the two opposite ends of the first locking block and the two opposite ends of the second locking block abut against the annular baffle and the charging gun shell respectively. According to the utility model, the connection between the cable and the charging gun shell is firm, so that the accident that the cable falls off from the charging gun shell is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of charging guns, and in particular relates to a cable locking structure and a charging gun. Background Art

[0002] The main charging facilities for new energy electric vehicles include charging piles, charging guns, charging sockets, and in-vehicle high-voltage connectors. New energy electric vehicle charging devices connect to charging cables via connectors (charging guns and charging sockets). New energy electric vehicle connectors are key components connecting new energy electric vehicles to power supply equipment. Currently, connectors include charging guns and charging sockets.

[0003] The charging gun and charging pile are connected by a cable. Once the charging gun is plugged into the charging port of a new energy electric vehicle, the charging pile can charge the new energy electric vehicle through the charging gun. In existing technology, the cable is usually installed on the charging gun housing using a locking block. The locking block not only clamps the cable but also secures it to the charging gun housing. This leads to technical issues such as unstable connection and easy detachment of the cable. Utility Model Content

[0004] The utility model solves the technical problems in the prior art such as unstable connection and easy falling off between the cable and the charging gun housing, and provides a cable locking structure and a charging gun.

[0005] In view of the above problems, an embodiment of the present invention provides a cable locking structure, comprising a charging gun housing, a cable, a first locking block, a second locking block, and an end cap having a first through-hole; the first locking block is connected to the second locking block, and a second through-hole is defined between the first and second locking blocks, through which the cable passes;

[0006] The end cover is also provided with an annular baffle extending toward the center of the first through hole; the end cover is installed on the charging gun housing, and the first locking block and the second locking block are both installed in the first through hole, and the opposite ends of the first locking block and the second locking block are respectively abutted against the annular baffle and the charging gun housing.

[0007] Optionally, a first arc-shaped convex portion is provided at one end of the first locking block away from the charging gun housing, and a second arc-shaped convex portion is provided at one end of the second locking block away from the charging gun housing; both the first arc-shaped convex portion and the second arc-shaped convex portion pass through the second through hole.

[0008] Optionally, the charging gun housing is further provided with a first protrusion, the first protrusion being provided with a first clamping protrusion, a second clamping protrusion, and a first clamping groove located between the first clamping protrusion and the second clamping protrusion;

[0009] The first locking block is provided with a second clamping groove, a third clamping groove and a third clamping protrusion located between the second clamping groove and the third clamping groove;

[0010] The first clamping protrusion is clamped in the second clamping groove, the second clamping protrusion is clamped in the third clamping groove, and the third clamping protrusion is clamped in the first clamping groove.

[0011] Optionally, the charging gun housing is further provided with a second protrusion, and the second protrusion is provided with a fourth clamping protrusion, a fifth clamping protrusion, and a fourth clamping groove located between the fourth clamping protrusion and the fifth clamping protrusion;

[0012] The second locking block is provided with a fifth clamping groove, a sixth clamping groove and a sixth clamping protrusion located between the fifth clamping groove and the sixth clamping groove;

[0013] The fourth clamping protrusion is clamped in the fifth clamping groove, the fifth clamping protrusion is clamped in the sixth clamping groove, and the sixth clamping protrusion is clamped in the fourth clamping groove.

[0014] Optionally, a first connecting column and a second connecting column are provided on the inner wall of the first through hole, a first side groove is provided on the first locking block, and a second side groove is provided on the second locking block; the first connecting column is connected to the charging gun housing after passing through the first side groove, and the second connecting column is connected to the charging gun housing after passing through the second side groove.

[0015] Optionally, the first locking block is provided with a plurality of third protrusions protruding toward the second through hole, and the second locking block is provided with a plurality of fourth protrusions protruding toward the second through hole; the third protrusions and the fourth protrusions are both in contact with the cable.

[0016] Optionally, the cable locking structure further includes a sealing ring sleeved on the cable, and the sealing ring abuts against the inner wall of the second through hole.

[0017] Another embodiment of the present invention further provides a charging gun, characterized in that it includes the above-mentioned cable locking structure.

[0018] In the present utility model, after the first locking block and the second locking block clamp the cable and are connected to each other, the end cover is installed on the charging gun housing. The opposite ends of the first locking block and the second locking block are respectively abutted against the annular baffle and the charging gun housing, so that the end cover can fix the first locking block and the second locking block on the charging gun housing, avoiding the accident of the first locking block and the second locking block being separated from the charging gun housing, ensuring the tightness of the connection between the cable and the charging gun housing, and avoiding the accident of the cable falling off the charging gun housing.

[0019] In addition, the first locking block and the second locking block can clamp the cable, and the end cover can fix the first locking block and the second locking block to the charging gun housing. The cable locking structure is easy to assemble and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Figure 1 A schematic structural diagram of a cable locking structure provided in one embodiment of the present utility model;

[0022] Figure 2 A partial structural diagram of a cable locking structure provided by an embodiment of the present utility model;

[0023] Figure 3 A schematic structural diagram of a cable locking structure according to an embodiment of the present invention in which the first locking block is mounted on an end cover;

[0024] Figure 4 This is a structural schematic diagram of a first locking block of a cable locking structure provided by an embodiment of the present invention.

[0025] The reference numerals in the specification are as follows:

[0026] 1. Charging gun housing; 11. First protrusion; 111. First snap-fitting protrusion; 112. Second snap-fitting protrusion; 113. First snap-fitting groove; 2. Cable; 3. First locking block; 31. First arc-shaped protrusion; 32. Second snap-fitting groove; 33. Third snap-fitting groove; 34. Third snap-fitting protrusion; 35. First side groove; 36. Third protrusion; 4. Second locking block; 41. Second arc-shaped protrusion; 42. Second side groove; 5. End cover; 51. First through hole; 52. Annular baffle; 53. First connecting column; 54. Second connecting column. DETAILED DESCRIPTION

[0027] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0028] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0029] like Figures 1 to 3 As shown, an embodiment of the present invention provides a cable locking structure, including a charging gun housing 1, a cable 2, a first locking block 3, a second locking block 4 and an end cover 5 provided with a first through hole 51; the first locking block 3 is connected to the first locking block 3, and a second through hole is provided between the first locking block 3 and the second locking block 4, and the cable 2 passes through the second through hole; it can be understood that the first locking block 3 and the second locking block 4 can be fixedly connected by screws, bolts, etc., and the first locking block 3 and the second locking block 4 can press the cable 2 from the left and right sides, or the upper and lower sides.

[0030] The end cap 5 is also provided with an annular baffle 52 extending toward the center of the first through hole 51. The end cap 5 is mounted on the charging gun housing 1, and the first locking block 3 and the second locking block 4 are both mounted in the first through hole 51. The opposing ends of the first locking block 3 and the second locking block 4 respectively abut against the annular baffle 52 and the charging gun housing 1. It is understood that the annular baffle 52 is provided at the end of the end cap 5, and the end cap 5 can be fixed to the charging gun housing 1 using screws, bolts, etc.

[0031] In the present utility model, after the first locking block 3 and the second locking block 4 clamp the cable 2 and are connected to each other, the end cover 5 is installed on the charging gun housing 1. The opposite ends of the first locking block 3 and the second locking block 4 are respectively abutted against the annular baffle 52 and the charging gun housing 1, so that the end cover 5 can fix the first locking block 3 and the second locking block 4 on the charging gun housing 1, avoiding the accident of the first locking block 3 and the second locking block 4 being separated from the charging gun housing 1, ensuring the tightness of the connection between the cable 2 and the charging gun housing 1, and avoiding the accident of the cable 2 falling off the charging gun housing 1.

[0032] In addition, the first locking block 3 and the second locking block 4 can clamp the cable 2, and the end cover 5 can fix the first locking block 3 and the second locking block 4 on the charging gun housing 1. The cable locking structure is easy to assemble and disassemble.

[0033] In one embodiment, if Figure 1 and Figure 2 As shown, the first locking block 3 has a first curved protrusion 31 at the end facing away from the charging gun housing 1, and the second locking block 4 has a second curved protrusion 41 at the end facing away from the charging gun housing 1; both the first curved protrusion 31 and the second curved protrusion 41 pass through the second through-hole. It is understood that both the first curved protrusion 31 and the second curved protrusion 41 are semicircular, and the first curved protrusion 31 and the second curved protrusion 41 can be combined into a circular protrusion that extends from the second through-hole. In this embodiment, the first curved protrusion 31 and the second curved protrusion 41 can serve to seal the gap between the first locking block 3 and the end cap 5, as well as the gap between the second locking block 4 and the end cap 5.

[0034] In one embodiment, if Figures 2 to 4 As shown, the charging gun housing 1 is further provided with a first protrusion 11, and the first protrusion 11 is provided with a first clamping protrusion 111, a second clamping protrusion 112 and a first clamping groove 113 located between the first clamping protrusion 111 and the second clamping protrusion 112; it can be understood that the first protrusion 11 is arranged at the tail end of the charging gun housing 1 and protrudes toward the rear.

[0035] The first locking block 3 is provided with a second engaging groove 32, a third engaging groove 33, and a third engaging protrusion 34 located between the second engaging groove 32 and the third engaging groove 33. It is understood that the second engaging groove 32 is adapted to the first engaging protrusion 111, the third engaging groove 33 is adapted to the second engaging protrusion 112, and the first engaging groove 113 is adapted to the third engaging protrusion 34. Preferably, the first engaging protrusion 111, the second engaging protrusion 112, and the third engaging protrusion 34 are all trapezoidal protrusions.

[0036] The first engaging protrusion 111 engages with the second engaging groove 32, the second engaging protrusion 112 engages with the third engaging groove 33, and the third engaging protrusion 34 engages with the first engaging groove 113. In this embodiment, the engagement between the engaging protrusions and the engaging grooves can limit axial offset between the first locking block 3 and the charging gun housing 1. The end cap 5 can also prevent axial offset between the first locking block 3 and the charging gun housing 1, further ensuring the secure installation of the first locking block 3 on the charging gun housing 1.

[0037] In one embodiment, a second protrusion is further provided on the charging gun housing 1, and a fourth clamping protrusion, a fifth clamping protrusion and a fourth clamping groove located between the fourth clamping protrusion and the fifth clamping protrusion are provided on the second protrusion; it can be understood that the second protrusion is arranged at the tail end of the charging gun housing 1 and protrudes toward the rear.

[0038] The second locking block 4 is provided with a fifth engaging groove, a sixth engaging groove, and a sixth engaging protrusion located between the fifth and sixth engaging grooves. It is understood that the fifth engaging groove is adapted to the fourth engaging protrusion, the sixth engaging groove is adapted to the fifth engaging protrusion, and the fourth engaging groove is adapted to the sixth engaging protrusion. Preferably, the fourth, fifth, and sixth engaging protrusions are all trapezoidal protrusions.

[0039] The fourth engaging protrusion engages with the fifth engaging groove, the fifth engaging protrusion engages with the sixth engaging groove, and the sixth engaging protrusion engages with the fourth engaging groove. In this embodiment, the engagement between the engaging protrusion and the engaging groove limits axial offset between the second locking block 4 and the charging gun housing 1. The end cap 5 prevents axial offset between the second locking block 4 and the charging gun housing 1, further ensuring the secure installation of the second locking block 4 on the charging gun housing 1.

[0040] In one embodiment, if Figure 3 and Figure 4As shown, the inner wall of the first through-hole 51 is provided with a first connecting post 53 and a second connecting post 54. The first locking block 3 is provided with a first side groove 35, and the second locking block 4 is provided with a second side groove 42. The first connecting post 53 passes through the first side groove 35 to connect to the charging gun housing 1, and the second connecting post 54 passes through the second side groove 42 to connect to the charging gun housing 1. It is understood that multiple first connecting posts 53, second connecting posts 54, first side grooves 35, and second side grooves 42 can be provided as needed. Both the first connecting post 53 and the second connecting post 54 are provided with fastening holes, through which screws or the like are inserted to connect to the charging gun housing. In this embodiment, the first side groove 35 accommodates the first connecting post 53, and the second side groove 42 accommodates the second connecting post 54, thereby improving the compactness of the cable locking structure.

[0041] In one embodiment, if Figure 2 and Figure 4 As shown, the first locking block 3 is provided with a plurality of third protrusions 36 protruding toward the second through hole, and the second locking block 4 is provided with a plurality of fourth protrusions protruding toward the second through hole; both the third protrusions 36 and the fourth protrusions abut against the cable 2. It can be understood that the third protrusions 36 are provided on the inner wall of the first locking block 3, and the fourth protrusions are provided on the inner wall of the second locking block 4. Both the third protrusions 36 and the fourth protrusions are pressed against the cable 2, ensuring that the first locking block 3 and the second locking block 4 securely lock the cable 2.

[0042] In one embodiment, the cable locking structure further includes a sealing ring (not shown) sleeved over the cable 2, the sealing ring abutting the inner wall of the second through hole. It is understood that the outer wall of the sealing ring can abut the inner wall of the second through hole, while the inner wall of the sealing ring abuts the cable 2. Thus, the sealing ring can seal the gap between the first locking block 3, the second locking block 4, and the cable 2, ensuring the sealing performance of the cable locking structure.

[0043] Another embodiment of the present invention further provides a charging gun, comprising the above-mentioned cable locking structure.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cable locking structure, characterized in that: The charging gun comprises a housing, a cable, a first locking block, a second locking block, and an end cap having a first through hole; the first locking block is connected to the second locking block, and a second through hole is formed between the first locking block and the second locking block, and the cable passes through the second through hole; The end cover is also provided with an annular baffle extending toward the center of the first through hole; the end cover is installed on the charging gun housing, and the first locking block and the second locking block are both installed in the first through hole, and the opposite ends of the first locking block and the second locking block are respectively abutted against the annular baffle and the charging gun housing.

2. The cable locking structure according to claim 1, characterized in that: A first arc-shaped convex portion is provided at one end of the first locking block away from the charging gun housing, and a second arc-shaped convex portion is provided at one end of the second locking block away from the charging gun housing; both the first arc-shaped convex portion and the second arc-shaped convex portion pass through the second through hole.

3. The cable locking structure according to claim 1, wherein: The charging gun housing is further provided with a first protrusion, the first protrusion being provided with a first clamping protrusion, a second clamping protrusion, and a first clamping groove located between the first clamping protrusion and the second clamping protrusion; The first locking block is provided with a second clamping groove, a third clamping groove and a third clamping protrusion located between the second clamping groove and the third clamping groove; The first clamping protrusion is clamped in the second clamping groove, the second clamping protrusion is clamped in the third clamping groove, and the third clamping protrusion is clamped in the first clamping groove.

4. The cable locking structure according to claim 1, wherein: The charging gun housing is further provided with a second protrusion, the second protrusion being provided with a fourth clamping protrusion, a fifth clamping protrusion, and a fourth clamping groove located between the fourth clamping protrusion and the fifth clamping protrusion; The second locking block is provided with a fifth clamping groove, a sixth clamping groove and a sixth clamping protrusion located between the fifth clamping groove and the sixth clamping groove; The fourth clamping protrusion is clamped in the fifth clamping groove, the fifth clamping protrusion is clamped in the sixth clamping groove, and the sixth clamping protrusion is clamped in the fourth clamping groove.

5. The cable locking structure according to claim 1, wherein: A first connecting column and a second connecting column are provided on the inner wall of the first through hole, a first side groove is provided on the first locking block, and a second side groove is provided on the second locking block; the first connecting column is connected to the charging gun housing after passing through the first side groove, and the second connecting column is connected to the charging gun housing after passing through the second side groove.

6. The cable locking structure according to claim 1, characterized in that: The first locking block is provided with a plurality of third protrusions protruding toward the second through hole, and the second locking block is provided with a plurality of fourth protrusions protruding toward the second through hole; the third protrusions and the fourth protrusions are both in contact with the cable.

7. The cable locking structure according to claim 1, characterized in that: The cable locking structure further includes a sealing ring sleeved on the cable, wherein the sealing ring abuts against an inner wall of the second through hole.

8. A charging gun, characterized in that: It comprises the cable locking structure according to any one of claims 1 to 7.

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