IP Library Granted Patent US 12,646,897
Granted Patent B2
US 12,646,897 · App. 18/286,712 · Granted Jun 2, 2026

Charging connector and charging device

Inventor: Chao Wang (Changchun, CN)
Assignee: CHANGCHUN JETTY AUTOMOTIVE TECHNOLOGY CO., LTD.
H01R31/06B60L53/16H01R13/04H01R13/111H01R13/2442H01R13/428H01R13/629H01R13/73H01R24/28H01R13/512H01R2105/00H01R2201/26
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Quick Facts
Patent No.
US 12,646,897
App. No.
18/286,712
Granted
Jun 2, 2026
Kind
B2
Abstract

The present disclosure provides a charging connector and a charging device. The charging connector includes a control box and a power plug. The control box is electrically connected to a charging gun. The control box is provided with a three-phase terminal. The power plug is provided with a connecting structure which detachably connects the power plug with the control box and electrically connects the power plug with the three-phase terminal. By means of the present disclosure, the technical problem of poor adaptability of the charging device is solved.

Claims (47)

1 . A charging connector, comprising a control box and a power plug, wherein the control box is electrically connected to a charging gun, and the control box is provided with a three-phase terminal; and

the power plug is provided with a connecting structure, and the connecting structure detachably connects the power plug with the control box and electrically connects the power plug with the three-phase terminal;

wherein the control box comprises a housing, a rubber cushion and a circuit board, and the three-phase terminal is electrically connected to the circuit board; and

the rubber cushion is mounted in the housing, the rubber cushion is provided with a first accommodating groove, and the circuit board is disposed in the first accommodating groove.

2 . The charging connector according to claim 1 , wherein the connecting structure comprises a sliding groove disposed on the power plug, and the control box is provided with a slider which is slidably embedded in the sliding groove and restricted from being separated from the sliding groove.

3 . The charging connector according to claim 2 , wherein the sliding groove comprises a first groove portion and a second groove portion being in communication with the first groove portion;

the first groove portion and the second groove portion are sequentially distributed in a groove depth direction of the sliding groove, the slider penetrates the first groove portion, and an end of the slider is disposed in the second groove portion; and

a top wall of the second groove portion restricts a movement of the slider in a direction opposite to the groove depth direction.

4 . The charging connector according to claim 3 , wherein the slider comprises a connecting post and a sliding portion connected to an end of the connecting post, the connecting post penetrates the first groove portion, and the sliding portion is disposed in the second groove portion.

5 . The charging connector according to claim 3 , wherein one electrical terminal of the three-phase terminal is electrically connected to the slider;

the second groove portion is provided with a metal contact reed electrically connected to one electrical terminal of the power plug; and

the slider is connected to the metal contact reed by contact.

6 . The charging connector according to claim 5 , wherein the metal contact reed is provided on a bottom wall of the second groove portion and is constructed to apply an elastic force to the slider in a direction opposite to the groove depth direction.

7 . The charging connector according to claim 2 , wherein the control box is provided with a second accommodating groove for accommodating the power plug.

8 . The charging connector according to claim 7 , wherein the slider is disposed on a bottom wall of the second accommodating groove, and at least one electrical terminal of the three-phase terminal is disposed on a side wall of the second accommodating groove; and

the power plug is constructed to be capable of being moved along the sliding groove to abut against the side wall of the second accommodating groove, and the power plug is electrically connected to the electrical terminal disposed on the side wall of the second accommodating groove.

9 . The charging connector according to claim 8 , wherein the charging connector comprises a docking mechanism comprising a conductive post and a conductive barrel, and the conductive post is inserted into the conductive barrel to be electrically connected to the conductive barrel; and

the conductive post is constructed to be the electrical terminal disposed on the side wall of the second accommodating groove, and the conductive barrel is disposed on the power plug; or the conductive barrel is constructed to be the electrical terminal disposed on the side wall of the second accommodating groove, and the conductive post is disposed on the power plug.

10 . The charging connector according to claim 9 , wherein an end of the conductive barrel is provided with a crimping arm for pressing the conductive post inward.

11 . A charging device, comprising a charging gun and a charging connector, wherein the charging connector comprises a control box and a power plug, and the charging gun is electrically connected to the control box;

the control box is electrically connected to a charging gun, and the control box is provided with a three-phase terminal; and

the power plug is provided with a connecting structure, and the connecting structure detachably connects the power plug with the control box and electrically connects the power plug with the three-phase terminal;

wherein the control box comprises a housing, a rubber cushion and a circuit board, and the three-phase terminal is electrically connected to the circuit board; and

the rubber cushion is mounted in the housing, the rubber cushion is provided with a first accommodating groove, and the circuit board is disposed in the first accommodating groove.

12 . The charging device according to claim 11 , wherein the connecting structure comprises a sliding groove disposed on the power plug, and the control box is provided with a slider which is slidably embedded in the sliding groove and restricted from being separated from the sliding groove.

13 . The charging device according to claim 12 , wherein the sliding groove comprises a first groove portion and a second groove portion being in communication with the first groove portion;

the first groove portion and the second groove portion are sequentially distributed in a groove depth direction of the sliding groove, the slider penetrates the first groove portion, and an end of the slider is disposed in the second groove portion; and

a top wall of the second groove portion restricts a movement of the slider in a direction opposite to the groove depth direction.

14 . The charging device according to claim 13 , wherein the slider comprises a connecting post and a sliding portion connected to an end of the connecting post, the connecting post penetrates the first groove portion, and the sliding portion is disposed in the second groove portion.

15 . The charging device according to claim 13 , wherein one electrical terminal of the three-phase terminal is electrically connected to the slider;

the second groove portion is provided with a metal contact reed electrically connected to one electrical terminal of the power plug; and

the slider is connected to the metal contact reed by contact.

16 . The charging device according to claim 15 , wherein the metal contact reed is provided on a bottom wall of the second groove portion and is constructed to apply an elastic force to the slider in a direction opposite to the groove depth direction.

17 . The charging device according to claim 12 , wherein the control box is provided with a second accommodating groove for accommodating the power plug, the slider is disposed on a bottom wall of the second accommodating groove, and at least one electrical terminal of the three-phase terminal is disposed on a side wall of the second accommodating groove; and

the power plug is constructed to be capable of being moved along the sliding groove to abut against the side wall of the second accommodating groove, and the power plug is electrically connected to the electrical terminal disposed on the side wall of the second accommodating groove.

18 . The charging device according to claim 17 , wherein the charging connector comprises a docking mechanism comprising a conductive post and a conductive barrel, and the conductive post is inserted into the conductive barrel to be electrically connected to the conductive barrel; and

the conductive post is constructed to be the electrical terminal disposed on the side wall of the second accommodating groove, and the conductive barrel is disposed on the power plug; or the conductive barrel is constructed to be the electrical terminal disposed on the side wall of the second accommodating groove, and the conductive post is disposed on the power plug.

19 . The charging device according to claim 18 , wherein an end of the conductive barrel is provided with a crimping arm for pressing the conductive post inward.

20 . A charging connector, comprising a control box and a power plug, wherein the control box is electrically connected to a charging gun, and the control box is provided with a three-phase terminal; and

the power plug is provided with a connecting structure, and the connecting structure detachably connects the power plug with the control box and electrically connects the power plug with the three-phase terminal;

the connecting structure comprises a sliding groove disposed on the power plug, and the control box is provided with a slider which is slidably embedded in the sliding groove and restricted from being separated from the sliding groove;

the sliding groove comprises a first groove portion and a second groove portion being in communication with the first groove portion;

the first groove portion and the second groove portion are sequentially distributed in a groove depth direction of the sliding groove, the slider penetrates the first groove portion, and an end of the slider is disposed in the second groove portion;

a top wall of the second groove portion restricts a movement of the slider in a direction opposite to the groove depth direction;

one electrical terminal of the three-phase terminal is electrically connected to the slider;

the second groove portion is provided with a metal contact reed electrically connected to one electrical terminal of the power plug; and

the slider is connected to the metal contact reed by contact.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 13, 2023
From: WANG, CHAO
To: CHANGCHUN JETTY AUTOMOTIVE TECHNOLOGY CO., LTD.
Reel/Frame 065207/0991 →
Priority Claims (1)
CN 202110453314.7 · Apr 26, 2021 · national
Continuity (1)
Related Publication 20240222919A1 · Jul 4, 2024
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