Charging gun connecting device for charging pile

Abstract

The utility model discloses a charging gun connecting device for a charging pile, which comprises a charging wire mounted on the charging pile, a charging gun is arranged on one side of the charging wire, a sealing connecting mechanism is arranged between the charging gun and the charging wire, a protection mechanism is arranged on the charging gun, and the sealing connecting mechanism comprises a sealing seat. A connecting plug is fixedly connected to the top end of the sealing seat, a plurality of sealing rings are arranged on the outer side of the connecting plug, a plurality of connecting frames are fixedly connected to the surface of the top of the sealing seat, and inlet grooves are formed in the connecting frames. According to the charging gun connecting device for the charging pile, a connecting lock head is inserted into a connecting frame, then a sealing seat is rotated, the connecting frame is connected with an annular frame, then a rotating head is rotated to drive the connecting frame to move, the sealing seat and a charging gun are tensioned, a sealing ring is pressed and sealed, multiple sealing is formed, foreign matter is prevented from entering, and the charging gun connecting device is convenient to use. And the sealing effect can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of charging piles, in particular to a charging gun connecting device for a charging pile. Background Art

[0002] A charging pile is a device that replenishes power for electric vehicles. It is charged by inserting a charging gun into the interface on the car. Some charging guns can be removed. In the existing technology, there is a gap between the removable charging gun and the charging cable, which makes it easy for foreign objects to enter the connection, making the sealing less than ideal.

[0003] For example, patent publication number CN208428989U specifically discloses a charging gun for an electric vehicle charging pile that is easy to connect quickly, including a charging pile, a storage groove is provided on one side of the charging pile, a charging cable is fixedly connected in the storage groove, one end of the charging cable extends out of the storage groove and is fixedly connected to a mounting block, the top of the mounting block is connected to the charging gun body, the bottom side of the charging gun body is provided with a mounting groove, the top of the mounting block is slidably installed in the mounting groove, a sliding plate is slidably installed in the mounting groove, a first terminal is fixedly installed on the bottom side of the sliding plate, and a second terminal is fixedly installed on the top side of the mounting block. The utility model has a simple structure and is easy to use. It can quickly replace a new charging cable and can quickly achieve a stable connection between the charging gun and the charging cable without disassembling the charging gun body, meeting the user's usage needs. However, there is a gap between the detachable charging gun and the charging cable, which easily allows foreign matter to enter the connection, making the sealing less than ideal. Utility Model Content

[0004] In response to the deficiencies of the prior art, the present invention provides a charging gun connection device for a charging pile, which solves the problem that a gap exists between the detachable charging gun and the charging cable, which easily allows foreign matter to enter the connection and results in less than ideal sealing.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a charging gun connection device for a charging pile, comprising a charging cable installed on the charging pile, a charging gun provided on one side of the charging cable, a sealing connection mechanism provided between the charging gun and the charging cable, and a protective mechanism provided on the charging gun;

[0006] The sealing connection mechanism includes a sealing seat, a connecting plug is fixedly connected to the top of the sealing seat, a plurality of sealing rings are provided on the outside of the connecting plug, a plurality of connecting frames are fixedly connected to the top surface of the sealing seat, an entry groove is provided on the connecting frame, a locking groove is provided on one side of the entry groove, a plurality of guide rods are fixedly connected to the inside of the charging gun, an annular frame is slidably connected to the plurality of guide rods, a locking screw is threadedly connected to the annular frame, the end of the locking screw is transmission-connected to a rotating head, a plurality of connecting rods are fixedly connected to the bottom surface of the annular frame, and a connecting lock head is fixedly connected to the end of the connecting rod.

[0007] Preferably, the sealing seat is fixedly connected to the charging cable, the charging cable is connected to the connecting plug, and a connecting socket is provided at the bottom end of the charging gun, so that the charging cable can be connected to the charging gun using the connecting plug and the connecting socket.

[0008] Preferably, a plurality of the sealing rings are arranged between the connecting plug and the connecting frame, and a plurality of sealing grooves are opened at the bottom end of the charging gun, and the sealing grooves match the sealing rings, so that multiple seals can be formed to improve the sealing effect.

[0009] Preferably, the annular frame is arranged inside the charging gun, and the annular frame is slidably connected to the inner wall of the charging gun through a guide rod, so that the movement of the annular frame can be guided.

[0010] Preferably, the locking screw is rotatably connected to the inner wall of the charging gun, the locking screw is transmission-connected to the rotating head via a bevel gear pair, and a hexagonal groove is provided on the rotating head to facilitate the rotation of the rotating head.

[0011] Preferably, the plurality of connecting rods correspond one-to-one to the plurality of connecting frames, and the connecting lock head matches the entry slot and the locking slot, so that the connecting lock head can enter the entry slot and the locking slot.

[0012] Preferably, the protective mechanism includes a fixing belt, one end of the fixing belt is fixedly connected to a protective cover, the other end of the fixing belt is fixedly connected to the charging gun, the bottom end of the protective cover is fixedly connected to a sealing block, and the top end of the protective cover is fixedly connected to a pull ring, which can protect the rotating head.

[0013] The present invention provides a charging gun connection device for a charging pile. Compared with the prior art, it has the following advantages:

[0014] 1. The charging gun connection device for the charging pile inserts the connecting lock into the connecting frame, then rotates the sealing seat to connect the connecting frame with the annular frame, and then rotates the rotating head to drive the connecting frame to move, tighten the sealing seat and the charging gun, compress and seal the sealing ring, and form multiple seals to prevent foreign matter from entering, which can effectively improve the sealing effect.

[0015] 2. The charging gun connection device for the charging pile can protect the rotating head by inserting the sealing block into the opening outside the rotating head, and can use a fixing belt to prevent loss. The pull ring can easily pull out the sealing block, thereby improving the convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic structural diagram of the sealing connection mechanism of the present utility model;

[0018] Figure 3 This is a schematic diagram of the connecting frame and connecting lock structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the protective mechanism structure of the present utility model.

[0020] In the figure: 1. Charging pile; 2. Sealing connection mechanism; 201. Sealing seat; 202. Connecting plug; 203. Sealing ring; 204. Connecting frame; 205. Entry groove; 206. Locking groove; 207. Guide rod; 208. Ring frame; 209. Locking screw; 210. Rotating head; 211. Connecting rod; 212. Connecting lock; 3. Charging cable; 4. Protective mechanism; 401. Fixing belt; 402. Protective cover; 403. Sealing block; 404. Pull ring; 5. Charging gun. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-3 The utility model provides a technical solution: a charging gun connection device for a charging pile, comprising a charging line 3 installed on a charging pile 1, a charging gun 5 provided on one side of the charging line 3, a sealing connection mechanism 2 provided between the charging gun 5 and the charging line 3, and a protective mechanism 4 provided on the charging gun 5. The sealing connection mechanism 2 can be used to connect the charging gun 5 and the charging line 3 together, and multiple seals are formed to prevent foreign matter from entering, which can effectively improve the sealing effect.

[0023] The sealing connection mechanism 2 includes a sealing seat 201, a connecting plug 202 is fixedly connected to the top of the sealing seat 201, the sealing seat 201 is fixedly connected to the charging line 3, the charging line 3 is connected to the connecting plug 202, and a connecting socket is provided at the bottom of the charging gun 5, so that the charging line 3 can be connected to the charging gun 5 by using the connecting plug 202 and the connecting socket, a plurality of sealing rings 203 are provided on the outside of the connecting plug 202, a plurality of connecting frames 204 are fixedly connected to the top surface of the sealing seat 201, a plurality of sealing rings 203 are arranged between the connecting plug 202 and the connecting frame 204, a plurality of sealing grooves are provided at the bottom of the charging gun 5, the sealing grooves match the sealing rings 203, so that multiple seals can be formed to improve the sealing effect, an entry groove 205 is provided on the connecting frame 204, and a locking groove 206 is provided on one side of the entry groove 205, a plurality of guide rods 207 are fixedly connected to the inside of the charging gun 5, and a ring frame 208 is slidably connected to the plurality of guide rods 207, and the ring frame 208 is arranged inside the charging gun 5, and the ring frame 20 8 is slidably connected to the inner wall of the charging gun 5 through the guide rod 207, so that it can guide the movement of the ring frame 208. A locking screw 209 is threadedly connected to the ring frame 208, and a rotating head 210 is connected to the end of the locking screw 209. The locking screw 209 is rotatably connected to the inner wall of the charging gun 5. The locking screw 209 is connected to the rotating head 210 through a bevel gear pair, so that the rotating head 210 can drive the locking screw 209 to rotate, and the rotating head 210 is provided with an inner hexagonal screw. The angular groove makes it easy to rotate the rotating head 210. A plurality of connecting rods 211 are fixedly connected to the bottom surface of the annular frame 208. The ends of the connecting rods 211 are fixedly connected to connecting locks 212. The plurality of connecting rods 211 correspond one-to-one to the plurality of connecting frames 204, and the connecting locks 212 match the entry groove 205 and the locking groove 206, so that the connecting locks 212 can enter the entry groove 205 and the locking groove 206, and the locking groove 206 is used to limit and lock the connecting locks 212.

[0024] See also Figure 1 and Figure 4 The protective mechanism 4 includes a fixing belt 401, one end of the fixing belt 401 is fixedly connected to a protective cover 402, the other end of the fixing belt 401 is fixedly connected to the charging gun 5, the bottom end of the protective cover 402 is fixedly connected to a sealing block 403, and the top end of the protective cover 402 is fixedly connected to a pull ring 404. The sealing block 403 can be inserted into the opening on the outside of the rotating head 210 to protect the rotating head 210, and the fixing belt 401 can be used to prevent loss. The pull ring 404 makes it easy to pull out the sealing block 403, thereby improving the convenience of use.

[0025] During operation, the connecting lock head 212 enters the inside of the connecting frame 204 from the entry groove 205, and then the sealing seat 201 is rotated. The rotation of the sealing seat 201 drives the connecting frame 204 to rotate. The connecting frame 204 rotates to move the locking groove 206 to the connecting lock head 212, so that the connecting lock head 212 is inside the locking groove 206, and the connecting frame 204 is connected to the annular frame 208. Then the rotating head 210 is rotated. The rotation of the rotating head 210 drives the locking screw 209 to rotate. The rotation of the locking screw 209 drives the annular frame 208 to move. The movement of the annular frame 208 drives the connecting rod 211 to move. The movement of the connecting rod 211 drives the connecting lock head 212 to move. The movement of the connecting lock head 212 drives the connecting frame 204 to move, tighten the sealing seat 201 and the charging gun 5, compress and seal the sealing ring 203, and form multiple seals to prevent foreign matter from entering, which can effectively improve the sealing effect.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A charging gun connection device for a charging pile, comprising a charging cable (3) mounted on a charging pile (1), characterized in that: A charging gun (5) is provided on one side of the charging cable (3), a sealing connection mechanism (2) is provided between the charging gun (5) and the charging cable (3), and a protective mechanism (4) is provided on the charging gun (5); The sealing connection mechanism (2) comprises a sealing seat (201), a connection plug (202) is fixedly connected to the top of the sealing seat (201), a plurality of sealing rings (203) are provided on the outside of the connection plug (202), a plurality of connection frames (204) are fixedly connected to the top surface of the sealing seat (201), an entry groove (205) is provided on the connection frame (204), a locking groove (206) is provided on one side of the entry groove (205), a plurality of guide rods (207) are fixedly connected to the inside of the charging gun (5), an annular frame (208) is slidably connected to the plurality of guide rods (207), a locking screw (209) is threadedly connected to the annular frame (208), a rotating head (210) is transmission-connected to the end of the locking screw (209), a plurality of connection rods (211) are fixedly connected to the bottom surface of the annular frame (208), and a connection lock head (212) is fixedly connected to the end of the connection rod (211).

2. A charging gun connection device for a charging pile according to claim 1, characterized in that: The sealing seat (201) is fixedly connected to the charging cable (3), the charging cable (3) is connected to the connecting plug (202), and a connecting socket is provided at the bottom end of the charging gun (5).

3. The charging gun connection device for a charging pile according to claim 1, characterized in that: A plurality of sealing rings (203) are arranged between the connecting plug (202) and the connecting frame (204), and a plurality of sealing grooves are provided at the bottom end of the charging gun (5), and the sealing grooves match the sealing rings (203).

4. The charging gun connection device for a charging pile according to claim 1, characterized in that: The annular frame (208) is arranged inside the charging gun (5), and the annular frame (208) is slidably connected to the inner wall of the charging gun (5) via a guide rod (207).

5. The charging gun connection device for a charging pile according to claim 1, characterized in that: The locking screw (209) is rotatably connected to the inner wall of the charging gun (5), and the locking screw (209) is transmission-connected to the rotating head (210) via a bevel gear pair, and the rotating head (210) is provided with an inner hexagonal groove.

6. The charging gun connection device for a charging pile according to claim 1, characterized in that: The plurality of connecting rods (211) correspond one to one with the plurality of connecting frames (204), and the connecting lock head (212) matches the entry slot (205) and the locking slot (206).

7. The charging gun connection device for a charging pile according to claim 1, characterized in that: The protective mechanism (4) comprises a fixing belt (401), one end of the fixing belt (401) is fixedly connected to a protective cover (402), and the other end of the fixing belt (401) is fixedly connected to a charging gun (5).

8. The charging gun connection device for a charging pile according to claim 7, characterized in that: The bottom end of the protective cover (402) is fixedly connected to a sealing block (403), and the top end of the protective cover (402) is fixedly connected to a pull ring (404).

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