Alternating current charging pile

Abstract

The utility model relates to the field of charging piles, in particular to an alternating current charging pile. The charging pile comprises a charging gun and a charging pile body. The charging gun comprises a gun tail assembly and a gun shell, the gun tail assembly comprises a cable, a sealing sleeve, a fixing sleeve, a clamping block a and a clamping block b, the sealing sleeve and the fixing sleeve are arranged on the periphery of the cable in a sleeving mode, the clamping block a and the clamping block b are oppositely distributed and detachably connected to the periphery of the cable in a sealed mode, the clamping block a and the clamping block b are pressed on the peripheral face of the fixing sleeve, and the fixing sleeve is connected with the gun shell through a screw. A waterproof ring is arranged between the peripheral surface of the fixing sleeve and the inner wall of the gun shell; the charging pile body comprises a charging pile main body and a socket assembly which is arranged on the charging pile main body and allows a charging gun to be inserted. The waterproof charging pile is good in waterproof performance and convenient to assemble, and self-locking can be achieved after the charging gun is inserted into the charging pile.

Description

Technical Field

[0001] The utility model relates to the field of charging piles, in particular to an AC charging pile. Background Art

[0002] Charging pile is a kind of energy replenishment device that provides power for electric vehicles. Its function is similar to the gas pump in the gas station. It can be fixed on the ground or wall and installed in public buildings (charging stations, shopping malls, public parking lots, etc.) and residential parking lots. It can charge various types of electric vehicles according to the voltage and current adjustment. The input end of the charging pile is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles.

[0003] For existing charging piles, if used in outdoor environments or in moisture-prone environments such as underground garages, water is easily infiltrated, endangering the normal operation of the charging piles, and the charging gun part of the existing charging piles is difficult to assemble. Utility Model Content

[0004] The utility model aims to solve the problems existing in the background technology and to provide an AC charging pile with good waterproofness and convenient assembly.

[0005] The technical solution of the utility model is an AC charging pile, comprising a charging gun and a charging pile body; the charging gun comprises a gun tail assembly and a gun shell, the gun tail assembly comprises a cable, a sealing sleeve and a fixing sleeve sleeved on the outer periphery of the cable, and clamping blocks a and b relatively distributed and detachably sealed and connected to the outer periphery of the cable, wherein the clamping blocks a and b are pressed tightly on the outer peripheral surface of the fixing sleeve, the fixing sleeve is connected to the gun shell by screws, and a waterproof ring is arranged between the outer peripheral surface of the fixing sleeve and the inner wall of the gun shell; the charging pile body comprises a charging pile body and a socket assembly arranged on the charging pile body and for the charging gun to be plugged in.

[0006] Preferably, the charging gun includes a button assembly, which includes a base arranged in a gun housing, a mounting frame arranged on the base, a locking plate rotatably arranged on the mounting frame, a spring connected between the locking plate and the mounting frame, a switch housing arranged on the gun housing, and a button slidably arranged on the switch housing and abutting against one end of the locking plate.

[0007] Preferably, the charging gun includes a gun head assembly, which includes a plastic part a, a sealing ring, a plastic part b and a gun head seat that are distributed and connected in sequence, and a power terminal, a ground terminal and a signal terminal that are arranged on the gun head seat and electrically connected to the cable. The power terminal, the ground terminal and the signal terminal are all provided with waterproof rings, and an insulating cap is provided at the end of the power terminal.

[0008] Preferably, the socket assembly includes a socket arranged on the charging pile body, a limit block arranged on the socket, a trigger switch arranged on the socket, a bracket arranged on the socket, an electromagnetic lock arranged on the bracket, a waterproof cover arranged on the electromagnetic lock, and a potting glue arranged between the waterproof cover and the socket, the socket has a slot for inserting the end of the gun head assembly, the trigger switch is located at the bottom of the slot, the output end of the electromagnetic lock is extended and retracted along a straight line, and the limit block has a slot for the end of the lock piece to be inserted.

[0009] Preferably, the charging pile body comprises a pile cover, an upper cover and a bottom shell which are connected in sequence.

[0010] Preferably, a circuit board, a display screen, a code scanning module and a card swiping module are provided on the upper cover, and a fingerprint recognition module is provided on the bottom shell. The circuit board is electrically connected to the display screen, the code scanning module, the card swiping module and the fingerprint recognition module respectively.

[0011] Compared with the prior art, the utility model has the following beneficial technical effects:

[0012] 1. The utility model has good waterproof performance and is easy to assemble. The fixing sleeve and the gun shell are connected by screws, and the clamping blocks a and b are pressed tightly on the outer circumference of the fixing sleeve and can be firmly clamped on the fixing sleeve, which is convenient for disassembly and assembly. The waterproof ring can ensure the sealing connection between the fixing sleeve and the gun shell, preventing the charging gun from entering with water and affecting the normal use of the charging pile;

[0013] 2. When the end of the gun head assembly is inserted into the slot of the socket, the locking piece is stuck in the slot of the limit block, and the end of the gun head assembly is pressed on the trigger switch. The trigger switch triggers the output end of the electromagnetic lock to extend, and the output end of the electromagnetic lock is blocked above the locking piece to achieve self-locking. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of an embodiment of the utility model;

[0015] Figure 2 for Figure 1 Exploded diagram of the structure;

[0016] Figure 3 This is an exploded view of the structure of the gun tail assembly in the embodiment of the utility model;

[0017] Figure 4 It is a partial structural cross-sectional view of the gun tail assembly;

[0018] Figure 5 This is a structural exploded diagram of the button assembly in the embodiment of the utility model;

[0019] Figure 6 This is an exploded view of the structure of the gun head assembly in the embodiment of the utility model;

[0020] Figure 7This is a structural exploded diagram of the socket assembly in the embodiment of the utility model;

[0021] Figure 8 It is a structural schematic diagram of the gun head assembly being inserted into the socket assembly.

[0022] Reference numerals:

[0023] 1. Charging gun; 11. Gun tail assembly; 111. Sealing sleeve; 112. Cable; 113. Clamp a; 114. Clamp b; 115. Fixing sleeve; 116. Screw; 117. Waterproof ring; 12. Gun housing; 13. Button assembly; 131. Switch housing; 132. Button; 133. Locking piece; 134. Spring; 135. Mounting bracket; 136. Base; 14. Gun head assembly; 141. Plastic part a; 142. Sealing ring; 143. Plastic part b; 144. Gun head seat; 145. Power terminal; 146. Ground terminal; 147. Signal terminal; 148. Insulation cap;

[0024] 2. Charging pile body; 21. Pile cover; 22. Socket assembly; 221. Socket; 222. Limit block; 223. Trigger switch; 224. Electromagnetic lock; 225. Bracket; 226. Waterproof cover; 227. Potting glue; 23. Upper cover; 24. Bottom shell;

[0025] 3. Fingerprint recognition module. DETAILED DESCRIPTION

[0026] Embodiment 1

[0027] like Figure 1-Figure 8 As shown, an AC charging pile proposed in this embodiment includes a charging gun 1 and a charging pile body 2.

[0028] The charging gun 1 includes a gun tail assembly 11, a gun shell 12, a button assembly 13 and a gun head assembly 14. The gun tail assembly 11 includes a cable 112, a sealing sleeve 111 and a fixing sleeve 115 sleeved on the outer periphery of the cable 112, and clamping blocks a113 and b114 that are relatively distributed and detachably sealed and connected to the outer periphery of the cable 112, wherein the clamping blocks a113 and b114 are pressed tightly on the outer peripheral surface of the fixing sleeve 115, the fixing sleeve 115 is connected to the gun shell 12 by screws 116, and a waterproof ring 117 is provided between the outer peripheral surface of the fixing sleeve 115 and the inner wall of the gun shell 12, and a sealing connection is performed by the waterproof ring 117, and the waterproof ring 117 can be provided with multiple channels, and an annular groove for inserting the waterproof ring 117 can be provided on the outer peripheral surface of the fixing sleeve 115, so as to facilitate the stable setting of the waterproof ring 117.

[0029] like Figure 4As shown, dimension a is the maximum diameter of the clamp block a113 and the clamp block b114 after assembly, dimension b is the diameter of the gun housing 12 near one end of the clamp block, and dimension c is the thickness of the clamp block head. The end of the clamp block abuts against the end of the gun housing 12. Dimension c can be designed to have a larger thickness. The clamp block is made of plastic material to ensure the structural strength of the clamp block. Dimension a and dimension b can be designed to be close to each other to ensure the smoothness of the connection between the clamp block and the gun housing 12.

[0030] like Figure 5 As shown, the button assembly 13 includes a base 136 disposed in the gun housing 12, a mounting frame 135 disposed on the base 136, a locking piece 133 rotatably disposed on the mounting frame 135, a spring 134 connected between the locking piece 133 and the mounting frame 135, a switch housing 131 disposed on the gun housing 12, and a button 132 slidably disposed on the switch housing 131 and abutting against one end of the locking piece 133. By pressing the button 132, one end of the locking piece 133 can be pressed down, and the other end of the locking piece 133 can be tilted to achieve unlocking. At this time, the spring 134 is compressed. After releasing the button 132, the spring 134 extends and pushes the locking piece 133 to rotate.

[0031] The gun head assembly 14 includes a plastic part a141, a sealing ring 142, a plastic part b143 and a gun head seat 144 which are sequentially distributed and connected, and a power terminal 145, a ground terminal 146 and a signal terminal 147 which are arranged on the gun head seat 144 and electrically connected to the cable 112. The power terminal 145, the ground terminal 146 and the signal terminal 147 are all provided with waterproof ferrules, and the waterproof ferrules are used to achieve sealing protection. An insulating cap 148 is provided at the end of the power terminal 145.

[0032] The charging pile body 2 includes a charging pile body and a socket assembly 22 arranged on the charging pile body and for the charging gun 1 to be plugged in.

[0033] This embodiment has good waterproof performance and is easy to assemble. The fixing sleeve 115 and the gun housing 12 are connected by screws 116, and the clamping block a113 and the clamping block b114 are pressed tightly on the outer circumference of the fixing sleeve 115 and can be firmly clamped on the fixing sleeve 115, which is convenient for disassembly and assembly. The waterproof ring 117 can ensure the sealing connection between the fixing sleeve 115 and the gun housing 12, preventing the charging gun 1 from entering with water and affecting the normal use of the charging pile.

[0034] Embodiment 2

[0035] like Figure 1-Figure 8As shown, an AC charging pile proposed in this embodiment, compared with the first embodiment, in this embodiment, the socket assembly 22 includes a socket 221 arranged on the charging pile body, a limit block 222 arranged on the socket 221, a trigger switch 223 arranged on the socket 221, a bracket 225 arranged on the socket 221, an electromagnetic lock 224 arranged on the bracket 225, a waterproof cover 226 arranged on the electromagnetic lock 224, and a potting glue 227 arranged between the waterproof cover 226 and the socket 221, the waterproof cover 226 is adhered to the socket 221 by the potting glue 227, and has a waterproof effect on the output end of the electromagnetic lock 224, the socket 221 has a slot for inserting the end of the gun head assembly 14, the trigger switch 223 is located at the bottom of the slot, the output end of the electromagnetic lock 224 is telescoped along a straight line, and the limit block 222 has a card slot for the end of the lock piece 133 to be inserted. When the end of the gun head assembly 14 is inserted into the slot of the socket 221, the locking piece 133 is stuck in the slot of the limit block 222, and the end of the gun head assembly 14 is pressed on the trigger switch 223. The trigger switch 223 triggers the output end of the electromagnetic lock 224 to extend, and the output end of the electromagnetic lock 224 is blocked above the locking piece 133 to achieve self-locking. At this time, even if the button 132 is pressed, the charging gun 1 cannot be unplugged.

[0036] The charging pile body includes a pile cover 21 , an upper cover 23 and a bottom shell 24 which are connected in sequence, and the upper cover 23 is located between the pile cover 21 and the bottom shell 24 .

[0037] The upper cover 23 is provided with a circuit board, a display screen, a code scanning module and a card swiping module, and the bottom shell 24 is provided with a fingerprint recognition module 3. The circuit board is electrically connected to the display screen, the code scanning module, the card swiping module and the fingerprint recognition module 3. The code scanning module, the card swiping module and the fingerprint recognition module can respectively realize code scanning unlocking, card swiping unlocking and fingerprint unlocking. Unlocking means that the output end of the electromagnetic lock 224 contracts to release the blocking of the lock piece 133, so that the lock piece 133 can be moved out of the card slot of the limit block 222 to realize unlocking, so that the charging gun 1 can be unplugged from the charging pile body 2.

[0038] The implementation modes of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge scope of technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. An AC charging pile, characterized in that: include: A charging gun (1) comprises a gun tail assembly (11) and a gun housing (12), wherein the gun tail assembly (11) comprises a cable (112), a sealing sleeve (111) and a fixing sleeve (115) sleeved on the outer periphery of the cable (112), and a clamping block a (113) and a clamping block b (114) which are relatively distributed and detachably sealed and connected to the outer periphery of the cable (112), wherein the clamping block a (113) and the clamping block b (114) are pressed against the outer peripheral surface of the fixing sleeve (115), the fixing sleeve (115) and the gun housing (12) are connected by screws (116), and a waterproof ring (117) is provided between the outer peripheral surface of the fixing sleeve (115) and the inner wall of the gun housing (12); A charging pile body (2) comprises a charging pile body and a socket assembly (22) arranged on the charging pile body and for a charging gun (1) to be plugged in.

2. An AC charging pile according to claim 1, characterized in that: The charging gun (1) comprises a button assembly (13), wherein the button assembly (13) comprises a base (136) arranged in a gun housing (12), a mounting frame (135) arranged on the base (136), a locking piece (133) rotatably arranged on the mounting frame (135), a spring (134) connected between the locking piece (133) and the mounting frame (135), a switch housing (131) arranged on the gun housing (12), and a button (132) slidably arranged on the switch housing (131) and abutting against one end of the locking piece (133).

3. An AC charging pile according to claim 2, characterized in that: The charging gun (1) comprises a gun head assembly (14), wherein the gun head assembly (14) comprises a plastic part a (141), a sealing ring (142), a plastic part b (143) and a gun head seat (144) which are sequentially distributed and connected, and a power terminal (145), a ground terminal (146) and a signal terminal (147) which are arranged on the gun head seat (144) and are electrically connected to the cable (112), wherein the power terminal (145), the ground terminal (146) and the signal terminal (147) are all provided with waterproof rings, and an insulating cap (148) is provided at the end of the power terminal (145).

4. The AC charging pile according to claim 3, characterized in that: The socket assembly (22) comprises a socket (221) arranged on a charging pile body, a limit block (222) arranged on the socket (221), a trigger switch (223) arranged on the socket (221), a bracket (225) arranged on the socket (221), an electromagnetic lock (224) arranged on the bracket (225), a waterproof cover (226) arranged on the electromagnetic lock (224), and a potting glue (227) arranged between the waterproof cover (226) and the socket (221); the socket (221) has a slot for inserting an end of a gun head assembly (14); the trigger switch (223) is located at the bottom of the slot; the output end of the electromagnetic lock (224) is retracted along a straight line; and the limit block (222) has a slot for inserting an end of a locking plate (133).

5. The AC charging pile according to claim 4, characterized in that: The charging pile body comprises a pile cover (21), an upper cover (23) and a bottom shell (24) which are connected in sequence.

6. The AC charging pile according to claim 5, characterized in that: A circuit board, a display screen, a code scanning module and a card swiping module are arranged on the upper cover (23), a fingerprint identification module (3) is arranged on the bottom shell (24), and the circuit board is electrically connected to the display screen, the code scanning module, the card swiping module and the fingerprint identification module (3) respectively.

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