Replaceable terminal

Abstract

The utility model discloses a replaceable terminal, and relates to the technical field of charging guns. Comprising a gun head and a shell which are arranged in a split mode, the gun head is detachably connected with the shell, a wire is arranged in the shell, a welding terminal connected with the wire is installed at one end of the shell, the welding terminal is connected with a replaceable terminal in an inserted mode, an extending hole matched with the replaceable terminal is formed in the gun head, and the welding terminal is connected with a jack sleeve in an interference riveting mode. The jack sleeve is provided with a plugging hole for assembling the torsion spring, and one end of the replaceable terminal is provided with a plugging part which is inserted into the plugging hole. According to the replaceable terminal, through the arrangement of the replaceable terminal, when the terminal on the gun head is worn and damaged, the replaceable terminal can be conveniently dismantled for replacement, field maintenance can be facilitated, the maintenance efficiency is improved, and the maintenance cost of the charging gun is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to charging gun technical field, concretely is a replaceable terminal. BACKGROUND

[0002] Liquid cooling charging gun is a kind of charging equipment using liquid cooling technology, that is, a special liquid circulation passage is arranged between cable and charging gun, liquid cooling liquid for heat dissipation is added in the passage, cooling liquid is circulated by power pump to take out the heat generated in the charging process, so as to improve charging power and charging efficiency.

[0003] With the popularization of liquid cooling charging gun, the charging frequency is higher and higher, the terminal insertion and extraction are further tested, especially with the increase of insertion and extraction times, the plating layer on the surface of terminal is continuously reduced and worn, when worn to a certain extent, the temperature starts to rise during charging, and other performances also start to deteriorate, at this time, the whole wire harness of charging gun needs to be replaced, the cost is very high, if it needs to be repaired, it needs to be returned to the assembly factory for professional repair, and the cost is also higher. UTILITY MODEL CONTENTS

[0004] The utility model provides a replaceable terminal to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a replaceable terminal, comprising a gun head and a shell arranged in a split manner, the gun head is detachably connected to the shell, the inside of the shell is provided with a wire, one end of the shell is provided with a welding terminal connected to the wire, the welding terminal is connected to the replaceable terminal in a plug-in manner, and an extension hole matched with the replaceable terminal is formed in the gun head.

[0006] Further, the welding terminal is connected to the plug-in sleeve in an interference riveting manner, the plug-in sleeve is provided with a plug-in hole for assembling a torsion spring, and one end of the replaceable terminal is provided with a plug-in part inserted into the plug-in hole.

[0007] Further, a first sealing groove is formed in the outer wall of the replaceable terminal, and a first sealing ring is assembled in the first sealing groove.

[0008] Further, a liquid cooling pipe is arranged on the shell and penetrated by the wire, and the liquid cooling pipe is connected to an oil tank into which the wire extends.

[0009] Further, a nut is arranged on the liquid cooling pipe, one end of the oil tank is connected to a first pagoda with a threaded outer wall, and the nut is threadedly connected to the threads on the outer wall of the first pagoda to connect the liquid cooling pipe and the oil tank.

[0010] Further, the welding terminal is located in the oil tank, one end of the welding terminal, away from the replaceable terminal, has a welding surface, and the wire is welded to the welding surface.

[0011] Further, the outer wall of the welding terminal is provided with a second sealing groove, and a second sealing ring is assembled in the second sealing groove.

[0012] Further, the outer wall of the welding terminal is provided with a second sealing groove, and a second sealing ring is assembled in the second sealing groove.

[0013] Further, the gun head is provided with a through hole, the shell is provided with a screw hole corresponding to the through hole, and the gun head is locked and fixed by a screw penetrating through the through hole and connected with the screw hole.

[0014] Further, the gun head is provided with a through hole, the shell is provided with a screw hole corresponding to the through hole, and the gun head is locked and fixed by a screw penetrating through the through hole and connected with the screw hole.

[0015] Compared with the prior art, the replaceable terminal has the following beneficial effects: the replaceable terminal can be conveniently removed and replaced when the terminal on the gun head is damaged due to wear, on-site maintenance is facilitated, maintenance efficiency is improved, and the maintenance cost of the charging gun is saved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a structural schematic view of the replaceable terminal installed on the shell of the utility model;

[0018] Figure 3 It is a structural schematic view of the oil tank of the utility model;

[0019] Figure 4 It is a sectional structural schematic view of the replaceable terminal installed on the shell of the utility model.

[0020] In the drawing: 1, replaceable terminal; 2, gun head; 3, shell; 101, plug-in part; 102, flange; 103, first sealing ring; 104, plug-in hole; 105, clamping ring assembly groove; 106, second sealing groove; 107, welding surface; 108, assembly hole; 109, plug-in hole sleeve; 110, second sealing ring; 111, first clamping ring; 112, torsional spring; 113, second clamping ring; 114, welding terminal; 115, first sealing groove; 116, oil tank; 117, first pagoda; 118, nut; 119, clamp; 120, second pagoda; 121, liquid path hole; 123, sealing joint; 124, adapter; 125, screw thread; 201, sealing washer; 202, screw; 203, through hole; 301, screw hole; 401, wire; 402, welding head; 403, liquid cooling pipe. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0022] Please refer to Figures 1-4 The utility model discloses a replaceable terminal, including split setting's gun head 2, shell 3, the gun head 2 detachable connection shell 3, the inside of shell 3 is equipped with wire 401, the one end of shell 3 is installed with the welding terminal 114 that is connected with wire 401, the welding terminal 114 is inserted and is connected with replaceable terminal 1, the gun head 2 is equipped with the protruding hole that cooperates with replaceable terminal 1.

[0023] The outer wall of the replaceable terminal 1 is provided with a first sealing groove 115, and the first sealing groove 115 is assembled with a first sealing ring 103.

[0024] The outer wall of the replaceable terminal 1 is provided with a first sealing groove 115, and the first sealing groove 115 is assembled with a first sealing ring 103.

[0025] Specifically, the welding terminal 114 is connected with the insertion hole sleeve 109 by interference riveting, the insertion hole sleeve 109 is provided with an insertion hole 104 for assembling the torsion spring 112, and one end of the replaceable terminal 1 is provided with an insertion part 101 inserted into the insertion hole 104.

[0026] In the embodiment, the welding terminal 114 serves as a conversion insertion hole, which is connected with the insertion hole sleeve 109 by interference riveting to form a good and stable conductive structure, the insertion hole sleeve 109 is provided with an insertion hole 104, the insertion part 101 of the replaceable terminal 1 is inserted into the insertion hole 104, the connection and disconnection of the replaceable terminal 1 and the insertion hole 104 are facilitated, and when the insertion part 101 is inserted into the insertion hole 104, the transmission of current is ensured to meet the application requirements.

[0027] Specifically, the shell 3 is provided with a liquid cooling pipe 403 through which the wire 401 passes, and the liquid cooling pipe 403 is connected with an oil tank 116 into which the wire 401 extends.

[0028] The liquid cooling pipe 403 is sleeved with a nut 118, one end of the oil tank 116 is connected with a first pagoda 117 having a threaded wall 125, the nut 118 is threadedly connected with the threaded wall 125 of the first pagoda 117, and the liquid cooling pipe 403 and the oil tank 116 are connected.

[0029] The welding terminal 114 is located in the oil tank 116, and the welding terminal 114 has a welding surface 107 away from one end of the replaceable terminal 1, and the wire 401 is welded with the welding surface 107.

[0030] The outer wall of the welding terminal 114 is provided with a second sealing groove 106, and the second sealing groove 106 is fitted with a second sealing ring 110.

[0031] The outer wall of the welding terminal 114 is provided with a clamping ring fitting groove 105, and the clamping ring fitting groove 105 is fitted with a first clamping ring 111.

[0032] In the embodiment, the threads 125 of the outer wall of the first pagoda 117 can be threadedly connected with the nut 118, and the liquid cooling pipe 403 is connected and installed between the oil tank 116 through the threads 125 and the nut 118.

[0033] The wire 401 on the shell 3 can pass through the liquid cooling pipe 403 and the oil tank 116, the welding surface 107 of the welding terminal 114 is welded with the wire 401, and the welding head 402 is formed on the welding terminal 114.

[0034] After welding, the second sealing ring 110 is sleeved on the second sealing groove 106 of the welding terminal 114, and the first clamping ring 111 is fitted in the clamping ring fitting groove 105 of the outer wall of the welding terminal 114, and the fitting groove matched with the first clamping ring 111 is formed on the oil tank 116, the welding terminal 114 is pushed into the oil tank 116, the welding terminal 114 is connected and fixed through the cooperation of the first clamping ring 111 and the fitting groove on the oil tank 116, the outer wall of the oil tank 116 is fitted with the second clamping ring 113, and the oil tank 116 is fitted on the corresponding hole position of the shell 2 through the second clamping ring 113. Of course, the clamping ring needs to be installed with the help of tools, and the tool for assembling the clamping ring and the corresponding process are mature solutions, and will not be described here.

[0035] It can be understood that the shell 3 is fitted with a plurality of replaceable terminals 1, and the welding terminal 114, the oil tank 116 and the like are arranged correspondingly with the replaceable terminal 1, the adjacent oil tanks 116 are connected through the adapter 124, the adapter 124 has a sealing joint 123, the adapter 124 is connected with the oil tank 116 through the sealing joint 123, the sealing joint 123 has a liquid path hole 121, the oil tank 116 is provided with a fitting hole 108 for installing the sealing joint 123, and in addition, the adapter 124 is provided with a second pagoda 120, the second pagoda 120 is sleeved with a liquid cooling pipe, and is clamped tightly through the clamp 119.

[0036] Specifically, the gun head 2 is provided with a through hole 203, and the outer shell 3 is provided with a screw hole 301 corresponding to the through hole 203. The gun head 2 is locked and fixed by a screw 202 that passes through the through hole 203 and is connected to the screw hole 301.

[0037] The gun head 2 is equipped with a sealing gasket 201.

[0038] In this embodiment, the gun head 2 and the outer shell 3 are connected by bolts 202, screw holes 301 and through holes 203. When the gun head 2 and the outer shell 3 are connected, the sealing gasket 201 plays a sealing role between the two.

[0039] When in use, the replaceable terminal 1 can be repaired and replaced on site. During repair, first remove the screw 202 and take off the gun head 2, then pull out the replaceable terminal 1 and replace it with a new replaceable terminal 1, then put the gun head 2 in and tighten the screw 202. The first sealing ring 103 needs to be put on the first sealing groove 115 of the replaceable terminal 1 in advance.

[0040] In summary, this replaceable terminal allows for easy removal and replacement of the replaceable terminal 1 when the terminals on the charging head 2 are worn and damaged. This facilitates on-site repairs, improves repair efficiency, and saves on the maintenance costs of the charging gun.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A replaceable terminal comprising a gun head (2) and a housing (3) provided separately, characterized in that: The gun head (2) is detachably connected with the shell (3), the shell (3) is internally provided with a wire (401), one end of the shell (3) is provided with a welding terminal (114) connected with the wire (401), the welding terminal (114) is insertedly connected with a replaceable terminal (1), and the gun head (2) is provided with a protruding hole matched with the replaceable terminal (1).

2. A replaceable terminal according to claim 1, characterized in that: The welding terminal (114) is connected with a jack sleeve (109) through interference riveting, the jack sleeve (109) is provided with a plug hole (104) for assembling a torsion spring (112), and one end of the replaceable terminal (1) is provided with a plug part (101) inserted into the plug hole (104).

3. A replaceable terminal according to claim 1, characterized in that: The outer wall of the replaceable terminal (1) is provided with a first sealing groove (115), and the first sealing groove (115) is assembled with a first sealing ring (103).

4. A replaceable terminal according to claim 1, characterized in that: The shell (3) is provided with a liquid cooling pipe (403) penetrated by the wire (401), and the liquid cooling pipe (403) is connected with an oil tank (116) into which the wire (401) extends.

5. A replaceable terminal according to claim 4, characterized in that: The liquid cooling pipe (403) is sleeved with a nut (118), one end of the oil tank (116) is connected with a first tower (117) having a thread (125) on the outer wall, the nut (118) is threadedly connected with the thread (125) on the outer wall of the first tower (117), so that the liquid cooling pipe (403) and the oil tank (116) are connected.

6. A replaceable terminal according to claim 4, characterized in that: The welding terminal (114) is located in the oil tank (116), and the welding terminal (114) is provided with a welding surface (107) away from the replaceable terminal (1), and the wire (401) is welded with the welding surface (107).

7. A replaceable terminal according to claim 6, characterized in that: The outer wall of the welding terminal (114) is provided with a second sealing groove (106), and the second sealing groove (106) is assembled with a second sealing ring (110).

8. A replaceable terminal according to claim 6, characterized in that: The outer wall of the welding terminal (114) is provided with a clamping ring assembly groove (105), and the clamping ring assembly groove (105) is assembled with a first clamping ring (111).

9. A replaceable terminal according to claim 1, characterized in that: The gun head (2) is provided with a through hole (203), the shell (3) is provided with a screw hole (301) corresponding to the through hole (203), and the gun head (2) is locked and fixed by a screw (202) penetrating through the through hole (203) and connected with the screw hole (301).

10. A replaceable terminal according to claim 9, characterized in that: The gun head (2) is assembled with a sealing washer (201).

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