Cooling terminal and charging gun

Abstract

The utility model discloses a cooling terminal and a charging gun. The cooling terminal comprises a plug connector, the plug connector comprises a main body and a plug part, and the main body and the plug part are detachably connected through a screw connector. A first containing cavity is formed in the main body, a first connecting part and a second connecting part which are communicated with the first containing cavity are arranged on the main body, the first connecting part is communicated with the first cooling pipe, and the second connecting part is communicated with the second cooling pipe. According to the cooling terminal, the plugging part can be rapidly disassembled, replaced and maintained, the maintenance difficulty is greatly reduced, and the service life of the charging gun is effectively prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric automobile charging field especially relates to a cooling terminal and charging gun. BACKGROUND

[0002] With the continuous development of electric automobile market, safe and effective high-power charging gun is increasingly widespread attention of people. High-power charging gun in the use process part of electric energy will be converted into heat energy and lead to charging gun temperature rise, this kind of heating phenomenon is especially serious in terminal plug-in part, terminal and wire crimping, there is a security risk. The plug-in part in the existing cooling terminal is easy to damage in the use process, and the main body and the plug-in part of the cooling terminal are often integrated structure, when the plug-in part is damaged, the cable needs to be replaced simultaneously, which greatly increases the maintenance cost. SUMMARY

[0003] The utility model discloses a cooling terminal, including the plug-in part, the plug-in part includes the main part and the plug-in part, the main part with the plug-in part between through the screw piece detachable connection, be equipped with the first cavity in the main part, be equipped with the first connecting portion and the second connecting portion with the first cavity intercommunication on the main part, the first connecting portion and the first cooling pipe intercommunication, the second connecting portion and the second cooling pipe intercommunication.

[0004] Optionally, in an embodiment of the utility model, the main body includes a base and a connecting end connected to the base, the connecting end and the plug-in part are detachably connected by a screw piece.

[0005] Optionally, in an embodiment of the utility model, the plug-in part is provided with an installation groove extending in the axial direction, the installation groove is provided with a through hole in the groove bottom wall, one end of the connecting end facing the plug-in part is provided with a connecting groove corresponding to the through hole, and one end of the screw piece passes through the through hole to be threadedly connected with the connecting groove.

[0006] Optionally, in an embodiment of the utility model, a gasket is further arranged between the screw piece and the groove bottom wall of the installation groove.

[0007] Optionally, in an embodiment of the utility model, the base is further provided with a temperature measuring hole, the temperature measuring hole is arranged at intervals with the first connecting portion and the second connecting portion, and a temperature sensor is arranged in the temperature measuring hole.

[0008] Optionally, in an embodiment of the utility model, the first connecting part and the second connecting part are arranged on the side of the base far from the connecting end, the first connecting part is coaxially arranged with the connecting end, the first accommodating cavity extends from the first connecting part to the connecting end, the second connecting part is arranged apart from the first connecting part, the second connecting part and the first accommodating cavity are communicated through the communication hole, and the temperature measuring hole is arranged on the side of the base far from the connecting end.

[0009] Optionally, in an embodiment of the utility model, the cooling terminal further comprises an inner core, the inner core is provided with a wiring part and a flow guiding part, the flow guiding part is internally provided with a second accommodating cavity, the flow guiding part is provided with a flow guiding hole, and when the inner core is inserted into the first accommodating cavity, the first cooling pipe, the flow guiding hole, the second accommodating cavity, the first accommodating cavity and the first cooling pipe are communicated.

[0010] Optionally, in an embodiment of the utility model, the flow guiding part comprises a first flow guiding piece, a limiting part and a second flow guiding piece, the first flow guiding piece is connected with the wiring part, the limiting part is located between the first flow guiding piece and the second flow guiding piece, the limiting part is connected with the cavity wall of the first accommodating cavity, and the flow guiding hole is arranged on the first flow guiding piece and the second flow guiding piece.

[0011] Optionally, in an embodiment of the utility model, the first connecting part is a sleeve pipe, the outer wall of the sleeve pipe is provided with a plurality of flanges arranged apart, and the first cooling pipe and the outer wall of the sleeve pipe are connected in a sleeved mode, so that the flanges and the first cooling pipe are in close contact.

[0012] Optionally, in an embodiment of the utility model, the second connecting part is a threaded hole formed in the base, the cooling terminal further comprises an adapter pipe, one end of the adapter pipe is provided with a threaded part, the threaded part is connected with the threaded hole, the other end of the adapter pipe is provided with an adapter head, and the second cooling pipe is sleeved on the outer wall of the adapter head.

[0013] Optionally, in an embodiment of the utility model, a butt joint part is further arranged between the threaded part and the adapter head, the butt joint part is butted against the base, a recess is arranged around the threaded part on the side of the butt joint part facing the first connecting part, and a sealing ring is arranged in the recess.

[0014] Optionally, in an embodiment of the utility model, a plurality of flanges are arranged apart on the outer wall of the adapter head.

[0015] Optionally, in an embodiment of the utility model, the cooling terminal further includes a fastener, the fastener is sleeved on the outer circumferential surface of the first cooling pipe to lock and fix the first cooling pipe and the first connecting part, and / or the fastener is sleeved on the outer circumferential surface of the second cooling pipe to lock and fix the second cooling pipe and the adapter, and / or

[0016] The base is further provided with a connecting hole communicated with the communicating hole and a plugging member for opening or closing the connecting hole.

[0017] The utility model further provides a charging gun which comprises the cooling terminal.

[0018] The cooling terminal of the utility model is detachably connected between the main body and the plug-in part through the screwing piece, when the plug-in part needs to be replaced due to damage, the plug-in part can be quickly disassembled, replaced and maintained, the maintenance difficulty is greatly reduced, and the service life of the charging gun is effectively increased. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to the structure shown in these drawings without creative labor.

[0020] Figure 1 It is a structural schematic diagram of an embodiment of the cooling terminal of the utility model;

[0021] Figure 2 It is an exploded structural schematic diagram of an embodiment of the cooling terminal of the utility model;

[0022] Figure 3 It is a structural schematic diagram of an embodiment of the inner core of the utility model;

[0023] Figure 4 It is a structural schematic diagram of an embodiment of the adapter pipe of the utility model;

[0024] Figure 5 It is a top view of an embodiment of the cooling terminal of the utility model;

[0025] Figure 6 It is Figure 5 Sectional view along A-A;

[0026] Figure 7 For Figure 5 Cross-sectional view along B-B.

[0027] BRIEF DESCRIPTION OF DRAWINGS

[0028] 100, cooling terminal; 10, plug; 11, first cavity; 12, first connecting part; 13, second connecting part; 14, plug part; 141, mounting groove; 142, via hole; 143, screw part; 144, gasket; 15, main body; 151, temperature measuring hole; 152, communication hole; 153, connecting hole; 154, base; 155, connecting end; 1551, connecting groove; 156, clamping spring; 16, temperature sensor; 17, adapter pipe; 171, screw part; 172, adapter; 173, abutting part; 18, fastener; 19, flange; 20, inner core; 21, wiring part; 22, flow guiding part; 221, second cavity; 222, first flow guiding part; 223, second flow guiding part; 224, limiting part; 23, flow guiding hole; 24, plugging part; 30, first cooling pipe; 40, second cooling pipe; 50, first flow channel; 60, second flow channel.

[0029] The realization, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] It should be noted that all directionality indications (such as up, down, left, right, front, back, etc.) in the embodiments of the utility model are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directionality indications also change accordingly.

[0032] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the term "and / or" throughout the text includes three solutions; taking A and / or B as an example, it includes technical solution A, technical solution B, and a technical solution that simultaneously satisfies A and B. Furthermore, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of a person skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0033] With the continuous development of the electric vehicle market, safe and efficient high-power charging guns are receiving increasing attention. During use, some electrical energy in a high-power charging gun is converted into heat, causing the charging gun's temperature to rise. This overheating is particularly severe at the terminal connectors and the crimping points between the terminals and wires, posing a safety risk. Existing cooling terminals often have connectors that are easily damaged during use, and the cooling terminal body and connector are frequently integrated. When the connector is damaged, the cable must also be replaced, significantly increasing maintenance costs.

[0034] Therefore, the cooling terminal 100 of this utility model achieves a detachable connection between the main body 15 and the plug-in part 14 through a screw connector 143. When the plug-in part 14 is damaged and needs to be replaced, it can be quickly disassembled, replaced, and repaired, greatly reducing the difficulty of maintenance and effectively increasing the service life of the charging gun. At the same time, the main body 15 of the cooling terminal 100 is provided with a first cavity, and is connected to the first cooling pipe 30 and the second cooling pipe 40 through the first connecting part 12 and the second connecting part 13 respectively, so that the cooling medium can flow into the first cavity through the first cooling pipe 30 or the second cooling pipe 40 to cool the plug-in part.

[0035] To better understand the above technical solution, a detailed explanation of the technical solution is provided below with reference to the accompanying drawings.

[0036] like Figures 1-7 As shown, the cooling terminal 100 includes a connector 10, which includes a main body 15 and a connector 14. The main body 15 and the connector 14 are detachably connected by a screw 143. The main body 15 has a first cavity 11, and the main body 15 has a first connecting part 12 and a second connecting part 13 communicating with the first cavity 11. The first connecting part 12 communicates with the first cooling pipe 30, and the second connecting part 13 communicates with the second cooling pipe 40.

[0037] It can be understood that the new energy automobile is provided with a charging socket. The cooling terminal 100 is provided in the charging gun, one end of the cooling terminal 100 can be inserted into the charging socket. The other end of the cooling terminal 100 is electrically connected to the power supply device in the charging pile, so that the electric energy is transmitted from the charging gun to the charging socket, and the battery in the new energy automobile can store the electric energy. The cooling terminal 100 comprises a plug-in part 10, the plug-in part 10 comprises a main body 15 and a plug-in part 14, the plug-in part 14 is used for being inserted into the charging socket. The main body 15 is provided with a first cavity 11, a first connecting part 12 and a second connecting part 13 communicated with the first cavity 11. The first connecting part 12 and the second connecting part 13 are respectively communicated with the first cooling pipe 30 and the second cooling pipe 40, and the other end of the first cooling pipe 30 and the second cooling pipe 40 is connected to the cooling device. In this way, the cooling medium can enter the first connecting part 12 and then enter the first cavity 11 through the first cooling pipe 30, and absorb the heat on the plug-in part 10; the heated cooling medium flows out of the second connecting part 13 into the second cooling pipe 40 and then flows into the cooling device for next cycle. Or the cooling medium can enter the first cavity 11 through the second cooling pipe 40 and then enter the first cavity 11 through the second connecting part 13, and absorb the heat on the plug-in part 10; the heated cooling medium flows out of the first connecting part 12 into the first cooling pipe 30 and then flows into the cooling device for next cycle. In order to facilitate the maintenance and replacement of the plug-in part 14, the main body 15 and the plug-in part 14 are detachably connected through the screw part 143. When the plug-in part 14 is damaged, the damaged plug-in part 14 is directly rotated and taken off from the main body 15, and a new one can be replaced. It can be understood that when the plug-in part 14 generates heat during the insertion process. The heat on the plug-in part will be transmitted to the main body 15, and the cooling medium in the main body 15 will absorb the heat to cool the main body 15 and the plug-in part 14, so that the whole cooling terminal 100 is maintained within a reasonable temperature range. Further, in an embodiment of the utility model, the main body 15 comprises a base 154 and a connecting end 155 connected with the base 154, and the connecting end 155 and the plug-in part 14 are detachably connected through the screw part 143. Preferably, the connecting end 155 is a boss extending towards the plug-in part 141. Preferably, one end of the connecting end 155 facing the plug-in part 14 is provided with a groove, and one end of the plug-in part 14 facing the connecting end 155 is limited in the groove.

[0038] Further, in an embodiment of the utility model, the plug-in part 14 is provided with an installation groove 141 extending in the axial direction, the installation groove 141 is provided with a through hole 142 in the groove bottom wall, one end of the connecting end 155 facing the plug-in part 14 is provided with a connecting groove 1551 corresponding to the through hole 142, and one end of the screw part 143 passes through the through hole 142 to be screwed with the connecting groove 1551.

[0039] It can be understood that when installing the plug-in part 14, the screw part 143 with the screw rod is put into the installation groove 141 with one end facing the installation groove 141, and the screw rod of the screw part 143 is screwed through the through hole 142 and the connecting groove 1551 on the connecting end 155 to achieve the installation of the plug-in part 14. When it is necessary to disassemble the plug-in part 14, the tool is inserted into the installation groove 141, and the screw part 143 is rotated to make the plug-in part 14 and the connecting end 155 fall off. Then a new plug-in part 14 is installed on the connecting end 155. Preferably, the connecting end outer wall is further sleeved with a snap spring 156. It can be understood that the stability of the entire cooling terminal 100 can be enhanced by arranging the snap spring 156.

[0040] Preferably, the screw part 143 and the bottom wall of the installation groove 141 are further provided with a gasket 144. It can be understood that the gasket can make the stress area between the screw part 143 and the bottom wall of the installation groove 141 more balanced.

[0041] Further, in an embodiment of the utility model, the base 154 is further provided with a temperature measuring hole 151, the temperature measuring hole 151 is arranged at intervals with the first connecting part 12 and the second connecting part 13, and the temperature measuring hole 151 is provided with a temperature sensor 16.

[0042] It can be understood that in order to obtain the heat of the cooling terminal 100 in real time and better monitor the temperature of the cooling terminal 100, the base 154 is further provided with a temperature measuring hole 151, the temperature measuring hole 151 is arranged at intervals with the first connecting part 12 and the second connecting part 13, and the temperature measuring hole 151 is provided with a temperature sensor 16. By arranging the temperature measuring hole 151 between the first connecting part 12 and the second connecting part 13 and arranging the temperature sensor 16 in the temperature measuring hole 151, the temperature measuring hole 151 is located near the first connecting part 12 and the second connecting part 13, and the temperature sensor 16 in the temperature measuring hole 151 can sense the temperature of the cooling medium in the first connecting part 12 and the second connecting part 13 and the temperature of the entire plug-in part 10 in the first time, so that the cooling terminal 100 can directly detect the temperature of the plug-in part 10, and the measurement accuracy and speed are improved. The temperature sensor 16 can transmit the temperature signal through wired or wireless mode, which is not limited here.

[0043] Further, in an embodiment of the utility model, the first connecting part 12 and the second connecting part 13 are arranged on the side of the base 154 away from the connecting end 155, the first connecting part 12 is coaxially arranged with the connecting end 155, the first accommodating cavity 11 extends from the first connecting part 12 to the connecting end 155, the second connecting part 13 is arranged apart from the first connecting part 12, the second connecting part 13 and the first accommodating cavity 11 are communicated through the communication hole 152, and the temperature measuring hole 151 is arranged on the side of the base 154 away from the connecting end 155.

[0044] It can be understood that the first accommodating cavity 11 extends from the first connecting part 12 to the connecting end 155, so that the cooling medium can reach the inside of the connecting end 155 to directly cool the connecting end 155, and then cool the plug-in part 14 connected with the connecting end 155. The first connecting part 12 and the second connecting part 13 are arranged on the side of the base 154 away from the connecting end 155, so that the arrangement of the first connecting part 12, the second connecting part 13, the first cooling pipe 30 and the second cooling pipe 40 will not interfere with the plug-in of the charging gun and the charging socket, and the installation of the cooling terminal 100 is facilitated. The temperature measuring hole 151 is arranged on the base 154 and is arranged apart from the first accommodating cavity 11, the second connecting part 13 and the communication hole 152, so that the temperature sensor 16 can quickly and accurately obtain the temperature of the plug-in part 10.

[0045] Further, in an embodiment of the utility model, the cooling terminal 100 further comprises an inner core 20, the inner core 20 is provided with a wiring part 21 and a flow guide part 22, the flow guide part 22 is internally provided with a second accommodating cavity 221, the flow guide part 22 is provided with a flow guide hole 23, when the inner core 20 is inserted into the first accommodating cavity 11, the first cooling pipe 30, the flow guide hole 23, the second accommodating cavity 221, the first accommodating cavity 11 and the first cooling pipe 30 are communicated.

[0046] It can be understood that the wiring part 21 can be connected with the cable to transmit the electric energy from the cable to the inner core 20, and then to the plug-in connector 10. The wiring part 21 can be connected with the cable in various ways, for example, the wiring part 21 can be a wiring board, and the cable and the wiring board are connected together by welding the cable on the wiring board. Or the wiring part 21 can be cylindrical, and the cable can be connected with the wiring part 21 by crimping. The wiring part 21 can be accommodated in the first connecting part 12, and the first flow channel 50 is formed between the wiring part 21 and the inner wall of the first connecting part 12; or the wiring part 21 can also be accommodated in the first cooling pipe 30, and the first flow channel 50 is formed between the wiring part 21 and the pipe wall of the first cooling pipe 30. Taking the example that the cooling medium flows from the first cooling pipe 30 into the first cavity 11, the cooling medium will flow through the wiring part 21 from the first flow channel 50, so as to cool the wiring part 21. By providing the second cavity 221 in the flow guide part 22, the flow guide hole 23 is provided on the flow guide part 22, and the flow guide hole 23 is communicated with the first cavity 11 and the second cavity 221. In this way, the cooling medium flowing from the first flow channel 50 will enter the second cavity 221 through the flow guide hole 23, which improves the flow route of the cooling medium, so as to achieve the effect that the cooling medium immerses the wiring part 21 and flows through the plug-in part 14. The improved cooling circuit has stronger cooling effect, and the risk of temperature rise during use of the high-power charging gun is greatly reduced. The cooling medium flows from the second cooling pipe 40 to the first cooling pipe 30, and the flow direction of the cooling medium is opposite to that when the cooling medium flows from the first cooling pipe 30 to the second cooling pipe 40, and the technical effect is the same, which will not be described in detail here.

[0047] Further, in an embodiment of the utility model, the flow guide part 22 includes a first flow guide piece 222, a limiting part 224 and a second flow guide piece 223, the first flow guide piece 222 is connected with the wiring part 21, the limiting part 224 is located between the first flow guide piece 222 and the second flow guide piece 223, the limiting part 224 is connected with the cavity wall of the first cavity 11, and the flow guide hole 23 is arranged on the first flow guide piece 222 and the second flow guide piece 223.

[0048] It can be understood that the diameter of the limiting portion 224 matches the cavity wall of the first cavity 11, so that the limiting portion 224 can be connected with the cavity wall of the first cavity 11. The limiting portion 224 can be connected with the cavity wall of the first cavity 11 in various ways such as crimping, snap connection, threaded connection, etc., which is not limited here. The limiting portion 224 is provided with a first flow guide 222 and a second flow guide 223 at both ends, respectively, wherein the first flow guide 222 is connected with the wiring portion 21, and the first flow guide 222 and the second flow guide 223 are both provided with flow guide holes 23. The second flow guide 223 and the cavity wall of the first cavity 11 are provided with a second flow channel 60. In this way, when the cooling medium flows into the cooling terminal 100 from the first cooling pipe 30, the cooling medium will enter between the first flow guide 222 and the first connecting portion 12 through the first flow channel 50, then enter the second cavity 221 through the flow guide holes 23 on the first flow guide 222, and then flow into the second flow channel 60 in the first cavity 11 through the flow guide holes 23 on the second flow guide 223, and then flow out of the second flow channel 60 through the communication hole 152 and the second connecting portion 13 from the second cooling pipe 40. When the cooling medium flows into the cooling terminal 100 from the second cooling pipe 40, the cooling medium will enter the communication hole 152 from the second connecting portion 13, and then enter the second flow channel 60, and then enter the second cavity 221 through the flow guide holes 23 on the second flow guide 223. The cooling medium in the second cavity 221 will flow into the first flow guide 222 and the first connecting portion 12 through the flow guide holes 23 on the first flow guide 222, and then flow into the first cooling pipe 30 through the first flow channel 50. Preferably, a gap is provided between the end of the second flow guide 223 away from the wiring portion 21 and the cavity wall of the first cavity 11. In this way, the cooling medium flowing into the second cavity 221 can also flow into the gap, and then flow into the second flow channel 60 from the communication hole 152; or the cooling medium in the communication hole 152 flows into the gap through the second flow channel 60, and then flows into the second cavity, thereby achieving more sufficient cooling of the end of the main body 15 away from the first cooling pipe 30.

[0049] Further, in an embodiment of the present application, the first connecting portion 12 is a sleeve, and the outer wall of the sleeve is provided with a plurality of flanges 19 arranged at intervals. The first cooling pipe 30 is connected with the outer wall of the sleeve in a sleeved manner, so that the flanges 19 are in close contact with the first cooling pipe 30.

[0050] It can be understood that when the first connecting portion 12 is a sleeve, the inside of the sleeve constitutes part of the first cavity 11, and the outer wall of the sleeve is provided with a plurality of flanges 19 arranged at intervals. In this way, when the first cooling pipe 30 is connected with the outer wall of the sleeve in a sleeved manner, the flanges 19 can ensure that the connection between the first cooling pipe 30 and the outer wall of the sleeve will not fall off, thereby improving the sealing performance.

[0051] Further, in an embodiment of the utility model, the second connecting part 13 is a threaded hole opened on the base 154, the cooling terminal 100 further includes an adapter pipe 17, one end of the adapter pipe 17 is provided with a screw joint 171, the screw joint 171 is connected with the threaded hole, the other end of the adapter pipe 17 is provided with an adapter head 172, the second cooling pipe 40 is sleeved on the outer wall of the adapter head 172.

[0052] It can be understood that, as shown in Figure 4 The cooling terminal 100 further includes an adapter pipe 17, one end of the adapter pipe 17 is provided with a screw joint 171, the second connecting part 13 is a threaded hole opened on the base 154, the screw joint 171 is connected with the threaded hole, so that the cooling medium flowing through the communication hole 152 can flow into the adapter pipe 17 from the second connecting part 13, or the cooling medium can flow into the communication hole 152 from the adapter pipe 17 through the second connecting part 13. The other end of the adapter pipe 17 is provided with an adapter head 172, the second cooling pipe 40 is sleeved on the outer wall of the adapter head 172, so as to communicate the second cooling pipe 40 and the adapter pipe 17.

[0053] Further, in an embodiment of the utility model, the screw joint 171 and the adapter head 172 are further provided with an abutting part 173, the abutting part 173 abuts against the base 154, one side of the abutting part 173 facing the first connecting part 12 is provided with a groove around the screw joint 171, and a sealing ring is arranged in the groove.

[0054] It can be understood that, by arranging the abutting part 173 between the screw joint 171 and the adapter head 172, one side of the abutting part 173 facing the first connecting part 12 is provided with a groove around the screw joint 171, and a sealing ring is arranged in the groove, when the screw joint 171 is screwed with the second connecting part 13, the abutting part 173 abuts against the base 154 and presses the sealing ring, so as to ensure the connection sealing of the adapter pipe 17 and the second connecting part 13, and prevent the cooling medium from leaking between the screw joint 171 and the second connecting part 13.

[0055] Further, in an embodiment of the utility model, a plurality of flanges 19 are arranged on the outer wall of the adapter head 172 at intervals.

[0056] It can be understood that, by arranging a plurality of flanges 19 on the outer wall of the adapter head 172 at intervals, when the second cooling pipe 40 is connected with the outer wall of the adapter head 172 in a sleeving mode, the flanges 19 can ensure that the connection between the second cooling pipe 40 and the outer wall of the adapter head 172 will not fall off, and the sealing property is improved.

[0057] Further, in an embodiment of the utility model, the cooling terminal 100 further includes fastener 18, the fastener 18 is sleeved on the outer circumferential surface of the first cooling pipe 30 to lock and fix the first cooling pipe 30 and the first connecting part 12, and / or the fastener 18 is sleeved on the outer circumferential surface of the second cooling pipe 40 to lock and fix the second cooling pipe 40 and the adapter 172, and / or the base 154 is further provided with connecting hole 153 communicated with the communicating hole 152 and the plugging piece 24 for opening or closing the connecting hole 153.

[0058] It can be understood that the fastener 18 is sleeved on the outer circumferential surface of the first cooling pipe 30 or the second cooling pipe 40 to lock and fix the first cooling pipe 30 and the first connecting part 12 or lock and fix the second cooling pipe 40 and the adapter 172, so as to prevent the first cooling pipe 30 from falling off the first connecting part 12 or the second cooling pipe 40 from falling off the adapter 172. By providing the connecting hole 153 on the base 154, other adapter pipes 17 can be connected through the connecting hole 153, and then other second cooling pipes 40 are connected. When the adapter pipe 17 is not needed to be connected, the connecting hole 153 can be plugged by the plugging piece 24. Preferably, the plugging piece 24 and the connecting hole 153 are screw-connected.

[0059] The utility model also provides a charging gun, and the charging gun includes the above cooling terminal 100. The specific structure of the cooling terminal 100 of the application refers to the above embodiment. Since the cooling terminal 100 adopts all the technical solutions of the above embodiments, it at least has all the beneficial effects brought by the technical solutions of the above embodiments, which will not be repeated here.

[0060] The above is only an optional embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawing contents or directly / indirectly applied in other related technical fields under the concept of the utility model is included in the patent protection range of the utility model.

[0061] The above is only an optional embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and drawing contents or directly / indirectly applied in other related technical fields under the concept of the utility model is included in the patent protection range of the utility model.

Claims

1. A cooling terminal (100), characterized in that, The utility model provides a cooling terminal (100), including plug -in spare (10), plug -in spare (10) includes main part (15) and plug -in part (14), and the detachable connection through screw piece (143) between main part (15) and plug -in part (14), first cavity (11) is equipped in main part (15), and first connecting portion (12) and second connecting portion (13) that first cavity (11) intercommunication are equipped on main part (15), first connecting portion (12) and first cooling pipe (30) intercommunication, and second connecting portion (13) and second cooling pipe (40) intercommunication.

2. A cooling terminal (100) according to claim 1, characterized in that The main body (15) includes a base (154) and a connecting end (155) connected to the base (154), and the connecting end (155) and the plug-in part (14) are detachably connected through the screw piece (143).

3. A cooled terminal (100) as claimed in claim 2, characterized in that The plug-in part (14) is provided with a mounting groove (141) extending in the axial direction, and the mounting groove (141) is provided with a through hole (142) in the groove bottom wall. One end of the connecting end (155) facing the plug-in part (14) is provided with a connecting groove (1551) corresponding to the through hole (142), and one end of the screw piece (143) passes through the through hole (142) to be screwed with the connecting groove (1551).

4. A cooled terminal (100) as claimed in claim 3, characterized in that The screw piece (143) and the mounting groove (141) groove bottom wall are also provided with a gasket (144).

5. A cooled terminal (100) as claimed in claim 2, characterized in that The base (154) is also provided with a temperature measuring hole (151), and the temperature measuring hole (151) is arranged at intervals with the first connecting portion (12) and the second connecting portion (13). The temperature measuring hole (151) is provided with a temperature sensor (16).

6. A cooled terminal (100) as claimed in claim 5, characterized in that The first connecting portion (12) and the second connecting portion (13) are arranged on the side of the base (154) away from the connecting end (155), and the first connecting portion (12) is coaxially arranged with the connecting end (155). The first cavity (11) extends from the first connecting portion (12) to the connecting end (155). The second connecting portion (13) and the first connecting portion (12) are arranged at intervals, and the second connecting portion (13) and the first cavity (11) are communicated through a communication hole (152). The temperature measuring hole (151) is arranged on the side of the base (154) away from the connecting end (155).

7. A cooled terminal (100) as claimed in claim 6, characterized in that The cooling terminal (100) further comprises an inner core (20) provided with a wiring portion (21) and a flow guiding portion (22), the flow guiding portion (22) is provided with a second cavity (221), and the flow guiding portion (22) is provided with a flow guiding hole (23). When the inner core (20) is inserted into the first cavity (11), the first cooling pipe (30), the flow guiding hole (23), the second cavity (221), the first cavity (11) and the first cooling pipe (30) are communicated.

8. A cooled terminal (100) as claimed in claim 7, characterized in that The flow guide part (22) comprises a first flow guide piece (222), a limiting part (224) and a second flow guide piece (223), the first flow guide piece (222) is connected with the wiring part (21), and the limiting part (224) is located between the first flow guide piece (222) and the second flow guide piece (223); the limiting part (224) is connected with the cavity wall of the first cavity (11), and flow guide holes (23) are arranged on the first flow guide piece (222) and the second flow guide piece (223).

9. A cooled terminal (100) as claimed in claim 8, characterized in that The first connecting part (12) is a sleeve, a plurality of flanges (19) are arranged on the outer wall of the sleeve at intervals, and the first cooling pipe (30) is connected with the outer wall of the sleeve in a sleeved mode, so that the flanges (19) and the first cooling pipe (30) are in close contact.

10. A cooling terminal (100) according to claim 9, characterized in that The second connecting part (13) is a threaded hole formed in the base (154), the cooling terminal (100) further comprises an adapter pipe (17), one end of the adapter pipe (17) is provided with a threaded part (171), the threaded part (171) is connected with the threaded hole, and the other end of the adapter pipe (17) is provided with an adapter head (172), and the second cooling pipe (40) is sleeved on the outer wall of the adapter head (172).

11. A cooled terminal (100) as claimed in claim 10, characterized in that The threaded part (171) and the adapter head (172) are further provided with an abutting part (173), the abutting part (173) abuts against the base (154), one side of the abutting part (173) facing the first connecting part (12) is provided with a groove surrounding the threaded part (171), and a sealing ring is arranged in the groove.

12. A cooled terminal (100) as claimed in claim 11, characterized in that A plurality of flanges (19) are arranged on the outer wall of the adapter head (172) at intervals.

13. A cooled terminal (100) as claimed in claim 12, characterized in that The cooling terminal (100) further comprises a fastener (18), the fastener (18) is sleeved on the outer circumferential surface of the first cooling pipe (30), so as to lock and fix the first cooling pipe (30) and the first connecting part (12), and / or the fastener (18) is sleeved on the outer circumferential surface of the second cooling pipe (40), so as to lock and fix the second cooling pipe (40) and the adapter head (172); and / or The base (154) is further provided with a connecting hole (153) in communication with the communication hole (152) and a plugging piece (24) for opening or closing the connecting hole (153).

14. A charging gun, characterized in that The cooling terminal (100) comprises the cooling terminal (100) according to any one of claims 1-13. The cooling terminal (100) comprises the cooling terminal (100) according to any one of claims 1-13.

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