Cable for automobile charging pile

Abstract

The utility model discloses a cable for an automobile charging pile, which comprises a cable body, the surface of the cable body is fixedly connected with a connector and a protective sleeve, the protective sleeve is in threaded connection with the connector and a protective top ring, and the protective top ring is connected with the protective sleeve through a connecting rod. According to the cable for the automobile charging pile, the cable body, the connector, the protective sleeve, the protective top ring, the connecting ring and the reinforcing spring are matched with one another, after charging is completed, the buffer spring pushes the connecting rod and drives the protective top ring to exceed the connector, the movable pressing plate presses the limiting plate downwards, the position of the connecting rod is locked, and meanwhile, the connecting rod is fixed through the protective sleeve. The movable pressing plate is pushed to enter the position below the limiting plate, the movable pressing plate is limited, it is guaranteed that the protection top ring is continuously locked, the connector is continuously protected, meanwhile, protection is conducted through the wiring protection head and the reinforcing spring, and damage caused by continuous bending of the connecting position is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of cables, and in particular to a cable for a car charging pile. Background Art

[0002] With the continuous development of the times, electric vehicles have become popular in people's lives. The most important thing in the use of electric vehicles is electricity, so electric vehicle charging piles have become very important.

[0003] When a charging pile is used, it is usually charged with a matching cable and a charging head connected to the cable. The current charging pile cable is simply connected to the charging head. During long-term use, the connection between the cable and the charging head is easily damaged due to bending during long-term use, which affects the service life of the cable. At the same time, the charging head has no protection and is easily damaged. Therefore, it is necessary to propose a cable for a car charging pile. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a cable for a car charging pile.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cable for a car charging pile, comprising: a cable body, a connector fixedly connected to the surface of the cable body;

[0007] A protective sleeve, wherein the protective sleeve is threadedly connected to the connector;

[0008] A protective top ring, wherein the protective top ring is connected to the protective sleeve via a connecting rod;

[0009] A connecting ring, the connecting ring is fixedly connected to the surface of the cable body;

[0010] A reinforcing spring connects the protective sleeve to the connecting ring.

[0011] The above-mentioned cable for automobile charging pile, wherein a buffer groove is provided inside the protective cover;

[0012] A buffer spring connects the connecting rod to the buffer groove.

[0013] The above-mentioned cable for a car charging pile, wherein a movable track is fixedly connected to the surface of the protective cover;

[0014] A movable groove, wherein the movable groove is provided inside the movable track;

[0015] A movable pressing plate, wherein the movable pressing plate can move inside the movable groove;

[0016] A limiting plate is fixedly connected to the inside of the movable track.

[0017] The above-mentioned cable for automobile charging pile, wherein a limiting groove is provided on the surface of the connecting rod;

[0018] A limit block, wherein the limit block can move inside the limit groove;

[0019] A top block, the top block is fixedly connected to the top of the limit block;

[0020] A return spring connects the top block to the protective sleeve.

[0021] The above-mentioned cable for automobile charging pile, wherein the right side of the protective sleeve and the left side of the connecting ring are both fixedly connected with a connecting block, and the reinforcing spring connects the two connecting blocks;

[0022] The wiring protection head is fixedly connected to the connection point between the protection sleeve and the cable.

[0023] The above-mentioned cable for the automobile charging pile, wherein the cable body comprises:

[0024] A cable layer, a heat insulation layer being fixedly connected to the surface of the cable layer;

[0025] A flame retardant layer, the flame retardant layer is fixedly connected to the surface of the heat insulation layer;

[0026] The wear-resistant layer is fixedly connected to the surface of the flame-retardant layer.

[0027] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0028] 1. The utility model realizes a cable for a car charging pile by the mutual cooperation among a cable body, a connector, a protective sleeve, a protective top ring, a connecting ring and a reinforcing spring. When charging is completed, the buffer spring pushes the connecting rod, drives the protective top ring to exceed the connecting head, presses the movable pressure plate down to the limit plate, locks the position of the connecting rod, and at the same time, pushes the movable pressure plate to enter under the limit plate to limit the movable pressure plate, thereby ensuring the continuous locking of the protective top ring and continuous protection of the connecting head. At the same time, the wiring protection head and the reinforcing spring are used to protect the connection to avoid damage caused by constant bending.

[0029] 2. In the utility model, a movable pressure plate is provided to lock the position of the protective top ring, and the connector is continuously protected when not charging. When charging, the connector and the charging port are prevented from loosening due to the thrust of the buffer spring, thereby ensuring the stability of the connection.

[0030] 3. In the present invention, the flame retardant layer is provided to enhance the flame retardant effect of the cable and enhance the durability of the cable.

[0031] 4. In the present invention, the wear-resistant layer is provided to improve the wear resistance of the cable. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural cross-sectional view of the main view of the utility model;

[0033] Figure 2 For this utility model Figure 1 A partial enlarged view of middle A;

[0034] Figure 3 It is a three-dimensional diagram of the movable track, movable groove and limiting plate of the utility model.

[0035] In the figure:

[0036] 1 cable body, 101 wire layer, 102 insulation layer, 103 flame retardant layer, 104 wear-resistant layer, 2 connector, 3 protective sleeve, 4 protective top ring, 5 connecting rod, 6 connecting ring, 7 reinforcing spring, 8 buffer groove, 9 buffer spring, 10 movable track, 11 movable groove, 12 movable pressure plate, 13 limit plate, 14 limit groove, 15 limit block, 16 top block, 17 reset spring, 18 connecting block, 19 wiring protection head. DETAILED DESCRIPTION

[0037] 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.

[0038] like Figure 1-3 As shown, a cable for a car charging pile includes: a cable body 1, a connector 2 is fixedly connected to the surface of the cable body 1, and the cable body 1 includes:

[0039] The cable layer 101 has a heat insulation layer 102 fixedly connected to the surface of the cable layer 101 .

[0040] The flame retardant layer 103 is fixedly connected to the surface of the heat insulation layer 102, thereby improving the flame retardant effect of the cable and improving the durability of the cable.

[0041] The wear-resistant layer 104 is fixedly connected to the surface of the flame-retardant layer 103 to prevent the cable from being damaged due to wear during long-term use.

[0042] The protective sleeve 3 is threadedly connected to the connector 2 , the right side of the protective sleeve 3 and the left side of the connecting ring 6 are fixedly connected with a connecting block 18 , and the reinforcing spring 7 connects the two connecting blocks 18 .

[0043] The wiring protection head 19 is fixedly connected to the junction of the protective sleeve 3 and the cable. A limit frame is arranged on the surface of the wiring protection head 19. The reinforcing spring 7 can be placed inside the limit frame to avoid displacement of the reinforcing spring 7.

[0044] A buffer groove 8 is provided inside the protective cover 3 , and a movable track 10 is fixedly connected to the surface of the protective cover 3 .

[0045] The movable groove 11 is opened inside the movable track 10 .

[0046] The movable pressure plate 12 can move inside the movable groove 11 to lock the position of the protective top ring 4. When not charging, the connector 2 is continuously protected. When charging, the connector 2 and the charging port are prevented from loosening due to the thrust of the buffer spring 9, thereby ensuring the stability of the connection.

[0047] The limiting plate 13 is fixedly connected to the inside of the movable track 10 .

[0048] The buffer spring 9 connects the connecting rod 5 with the buffer groove 8 .

[0049] The protective top ring 4 is connected to the protective sleeve 3 via a connecting rod 5 , and a limiting groove 14 is provided on the surface of the connecting rod 5 .

[0050] The limiting block 15 can move inside the limiting groove 14 .

[0051] The top block 16 is fixedly connected to the top of the limiting block 15 .

[0052] Reset spring 17, the reset spring 17 connects the top block 16 with the protective cover 3. When charging is completed, the buffer spring 9 pushes the connecting rod 5, driving the protective top ring 4 to exceed the connecting head 2, pressing the movable pressure plate 12 down to the limit plate 13, locking the position of the connecting rod 5, and at the same time, pushing the movable pressure plate 12 to enter under the limit plate 13, limiting the movable pressure plate 12, ensuring the continuous locking of the protective top ring 4 and continuous protection of the connecting head 2.

[0053] The connecting ring 6 is fixedly connected to the surface of the cable body 1 .

[0054] The reinforcing spring 7 connects the protective sleeve 3 with the connecting ring 6, and is protected by the wiring protection head 19 and the reinforcing spring 7 to avoid damage to the connection due to continuous bending.

[0055] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0056] When the cable for automobile charging pile provided by the utility model is used, the protective sleeve 3 is tightened on the surface of the connecting head 2, and the reinforcing spring 7 is installed between the two protective sleeves 3 and the connecting ring 6. When charging is completed, the buffer spring 8 pushes the connecting rod 5, drives the protective top ring 4 to exceed the connecting head 2, and presses the movable pressure plate 12 down to the limit plate 13 to lock the position of the connecting rod 5. At the same time, the movable pressure plate 12 is pushed to enter under the limit plate 13 to limit the movable pressure plate 12, thereby ensuring the continuous locking of the protective top ring 4 and continuous protection of the connecting head 2. When charging, the protective top ring 4 squeezes the buffer spring 9, presses the movable pressure plate 12 down to the limit plate 13, locks the position of the connecting rod 5, pushes the movable pressure plate 12 to enter under the limit plate 13 to limit the movable pressure plate 12, avoids the loosening of the connecting head 2 and the charging port due to the thrust of the buffer spring 9, and protects the connection through the wiring protection head 19 and the reinforcing spring 7 to avoid damage caused by constant bending.

[0057] In summary, the cable for the automobile charging pile solves the problems mentioned in the background technology by the mutual cooperation among the cable body 1, the connector 2, the protective sleeve 3, the protective top ring 4, the connecting ring 5 and the reinforcing spring 6.

[0058] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cable for a car charging pile, comprising: A cable body (1), characterized in that a connector (2) is fixedly connected to the surface of the cable body (1); A protective sleeve (3), wherein the protective sleeve (3) is threadedly connected to the connector (2); A protective top ring (4), wherein the protective top ring (4) is connected to the protective sleeve (3) via a connecting rod (5); A connecting ring (6), wherein the connecting ring (6) is fixedly connected to the surface of the cable body (1); A reinforcing spring (7) connects the protective sleeve (3) and the connecting ring (6).

2. A cable for a car charging pile according to claim 1, characterized in that: A buffer groove (8) is provided inside the protective cover (3); A buffer spring (9) connects the connecting rod (5) and the buffer groove (8).

3. A cable for a car charging pile according to claim 2, characterized in that: A movable track (10) is fixedly connected to the surface of the protective cover (3); A movable groove (11), wherein the movable groove (11) is provided inside the movable track (10); A movable pressing plate (12), wherein the movable pressing plate (12) is movable inside the movable groove (11); A limiting plate (13), wherein the limiting plate (13) is fixedly connected to the inside of the movable track (10).

4. A cable for a car charging pile according to claim 3, characterized in that: A limiting groove (14) is provided on the surface of the connecting rod (5); A limit block (15), wherein the limit block (15) is movable inside the limit groove (14); A top block (16), wherein the top block (16) is fixedly connected to the top of the limit block (15); A return spring (17) connects the top block (16) and the protective sleeve (3).

5. A cable for a car charging pile according to claim 4, characterized in that: The right side of the protective sleeve (3) and the left side of the connecting ring (6) are both fixedly connected with a connecting block (18), and the reinforcing spring (7) connects the two connecting blocks (18); A wiring protection head (19) is fixedly connected to the connection point between the protection cover (3) and the cable.

6. A cable for a car charging pile according to claim 5, characterized in that: The cable body (1) comprises: A cable layer (101), wherein a heat insulation layer (102) is fixedly connected to a surface of the cable layer (101); A flame retardant layer (103), wherein the flame retardant layer (103) is fixedly connected to the surface of the heat insulation layer (102); A wear-resistant layer (104), wherein the wear-resistant layer (104) is fixedly connected to the surface of the flame-retardant layer (103).

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