charging socket

Abstract

The utility model discloses a charging socket, including main part, ceramic post and power terminal. Be equipped with the cavity in the main part, be equipped with the joint part in the cavity. The ceramic post is located in the cavity, and the ceramic post includes the plug -in portion, the anti -drop portion and the anti -rotation portion who connects in proper order, and the ceramic post is equipped with the accommodation hole along the axial direction, and the anti -drop portion with anti -rotation portion with joint part fixed connection. The power terminal includes the electrically conductive jack and the wiring portion, and the electrically conductive jack is inserted in the accommodation hole, and the wiring portion and wire are connected. The utility model sets up ceramic post in the main part, sets up the anti -drop portion and the anti -rotation portion on the ceramic post, and is fixedly connected through the anti -drop portion, the anti -rotation portion and the joint part on the main part, to realize the close connection of ceramic post and charging socket, promote charging socket high temperature -resistant and heat dissipation performance, also guarantee the strength of entire charging socket.

Description

Technical Field

[0001] This utility model relates to the field of connectors, and in particular to a charging socket. Background Technology

[0002] The promotion and application of new energy vehicles has spurred the application and research of high-power fast charging equipment. During fast charging, the main heat source is the conductive socket of the power terminal. Due to the contact resistance between the charging gun pins and the conductive socket, the temperature rise is high, which can easily lead to safety accidents. Utility Model Content

[0003] The main objective of this utility model is to provide a charging socket, which includes a main body, ceramic posts, and power terminals.

[0004] The main body has a cavity, and a snap-fit ​​part is provided inside the cavity;

[0005] The ceramic column is disposed in the cavity. The ceramic column includes a plug-in part, an anti-detachment part, and an anti-rotation part connected in sequence. The ceramic column is provided with a receiving hole along the axial direction. The anti-detachment part and the anti-rotation part are fixedly connected to the snap-in part.

[0006] The power terminal includes a conductive socket and a wiring portion. The conductive socket is inserted into the receiving hole, and the wiring portion is connected to a wire.

[0007] Optionally, in one embodiment of the present invention, the anti-detachment part is a first groove recessed radially inward.

[0008] Optionally, in one embodiment of the present invention, a plurality of second grooves are provided at intervals on the bottom wall of the first groove.

[0009] Optionally, in one embodiment of the present invention, the anti-rotation part is a plurality of protrusions spaced apart along the circumference, and a third groove is provided between the plurality of protrusions.

[0010] Optionally, in one embodiment of the present invention, the plug-in portion has a plug-in end and an abutment end, the plug-in end is connected to the anti-detachment portion, the end of the plug-in end away from the anti-rotation portion is provided with the abutment end along the direction facing the axis, the abutment end is provided with a through hole, and the through hole is connected to the receiving hole.

[0011] Optionally, in one embodiment of the present invention, the end of the abutting end away from the anti-rotation part is marked.

[0012] Optionally, in one embodiment of the present invention, a drainage groove is provided at the bottom of the plug-in portion, the drainage groove being located on one side of the plug-in end, penetrating the bottom wall of the plug-in end and communicating with the receiving hole.

[0013] Optionally, in an embodiment of the present utility model, the drainage groove has a height h1 at one end of the abutting end, the width of the abutting end is h2, and h1 < h2.

[0014] Optionally, in an embodiment of the present utility model, the power terminal further includes a fixing portion;

[0015] The fixing portion is provided between the wiring portion and the conductive jack, a limiting groove is provided on the fixing portion, a gap is provided between the fixing portion and the inner wall of the accommodating hole, a limiting arm is provided on the main body, and the limiting arm extends into the gap and is fixedly connected to the limiting groove.

[0016] Optionally, in an embodiment of the present utility model, the clamping portion includes a convex arm and a clamping end, the convex arm is connected to the inner wall of the cavity, the clamping end is connected to one end of the convex arm away from the inner wall of the cavity, and the clamping end is fixedly connected to the anti-disengagement portion.

[0017] Optionally, in an embodiment of the present utility model, the convex arm and the anti-disengagement portion are arranged in an L shape.

[0018] Optionally, in an embodiment of the present utility model, the clamping end includes a first protrusion and a second protrusion arranged at intervals, and the first protrusion is fixedly connected to the first groove, and the second protrusion is fixedly connected to the second groove.

[0019] Optionally, in an embodiment of the present utility model, the clamping portion further includes an anti-rotation limiting member, and the anti-rotation limiting member is connected to the anti-rotation portion.

[0020] In the charging socket of the present utility model, a clamping portion is provided in the main body cavity, a ceramic column is provided in the cavity, an anti-disengagement portion and an anti-rotation portion are provided on the ceramic column, and the anti-disengagement portion, the anti-rotation portion and the clamping portion are fixedly connected to achieve a tight connection between the ceramic column and the charging socket, improve the high-temperature resistance and heat dissipation performance of the charging socket, and also ensure the strength of the entire charging socket. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0022] Figure 1 It is a schematic three-dimensional structure diagram of an embodiment of the charging socket of the present utility model;

[0023] Figure 2This is a cross-sectional view of an embodiment of the charging socket of this utility model;

[0024] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0025] Figure 4 This is a three-dimensional structural diagram of another embodiment of the charging socket of this utility model;

[0026] Figure 5 This is an exploded schematic diagram of the charging socket of this utility model;

[0027] Figure 6 This is a schematic diagram of the ceramic column structure of this utility model;

[0028] Figure 7 This is a front view of the ceramic column of this utility model;

[0029] Figure 8 This is a cross-sectional view of the ceramic column of this utility model.

[0030] Explanation of icon numbers:

[0031] 100. Charging socket; 10. Main body; 11. Cavity; 12. Snap-fit ​​part; 121. Protruding arm; 122. Snap-fit ​​end; 1221. First protrusion; 1222. Second protrusion; 123. Anti-rotation limiting member; 13. Gap; 14. Limiting arm; 20. Ceramic column; 21. Plug-in part; 211. Plug-in end; 212. Abutting end; 214. Drain groove; 215. Marking; 216. Through hole; 22. Anti-detachment part; 221. First groove; 222. Second groove; 23. Anti-rotation part; 231. Protrusion; 232. Third groove; 24. Accommodating hole; 30. Power terminal; 31. Conductive socket; 32. Wiring part; 33. Fixing part; 331. Limiting groove; 40. Wire.

[0032] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0034] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0035] 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.

[0036] The promotion and application of new energy vehicles has spurred the application and research of high-power fast charging equipment. During fast charging, the main heat source is the conductive socket of the power terminal. Due to the contact resistance between the charging gun pins and the conductive socket, the temperature rise is high, which can easily lead to safety accidents.

[0037] In view of this, the present invention proposes a charging socket with a snap-fit ​​part in the main body cavity and a ceramic pillar in the cavity. The ceramic pillar is provided with an anti-detachment part and an anti-rotation part. The ceramic pillar and the charging socket are fixedly connected by the anti-detachment part, the anti-rotation part and the snap-fit ​​part, thereby achieving a tight connection between the ceramic pillar and the charging socket. This improves the high temperature resistance and heat dissipation performance of the charging socket, while also ensuring the strength of the entire charging socket.

[0038] To better understand the above technical solution, a detailed explanation of the technical solution is provided below with reference to the accompanying drawings.

[0039] like Figure 1-8 As shown, this utility model proposes a charging socket 100, characterized in that the charging socket 100 includes a main body 10, a ceramic post 20, and a power terminal 30; the main body 10 has a cavity 11, and the cavity 11 has a snap-fit ​​part 12; the ceramic post 20 is disposed in the cavity 11, and the ceramic post 20 includes a plug-in part 21, an anti-disengagement part 22, and an anti-rotation part 23 connected in sequence, and the ceramic post 20 has an axially arranged receiving hole 24, and the anti-disengagement part 22 and the anti-rotation part 23 are fixedly connected to the snap-fit ​​part 12; the power terminal 30 includes a conductive plug hole 31 and a wiring part 32, the conductive plug hole 31 is inserted into the receiving hole 24, and the wiring part 32 is connected to a wire 40.

[0040] Understandably, the charging socket 100 of this utility model includes a main body 10, a cavity 11 inside the main body 10, a ceramic pillar 20 inside the cavity 11, and an axially oriented receiving hole 24 in the ceramic pillar 20. The conductive socket 31 of the power terminal 30 is inserted into the receiving hole 24, and the wiring portion 32 of the power terminal 30 is connected to the wire 40. When the charging socket 100 and the charging gun are connected, the pins on the charging gun are inserted into the conductive socket 31. Electrical energy is transmitted through the cable on the charging gun to the pins of the charging gun, and then through the conductive socket 31 to the power terminal 30. The power terminal 30's wiring portion 32 then transmits the energy to the wire 40, thereby transferring the electrical energy from the charging gun to the new energy vehicle through the charging socket 100, thus charging the new energy vehicle's battery. By providing a snap-fit ​​part 12 within the cavity 11 of the main body 10, and a ceramic pillar 20 within the cavity 11, with an anti-detachment part 22 and an anti-rotation part 23 on the ceramic pillar 20, and by fixing the anti-detachment part 22, the anti-rotation part 23, and the snap-fit ​​part 12 together, a tight connection between the ceramic pillar 20 and the charging socket 100 is achieved. The power terminal 30 can be fixed in various ways. For example, the power terminal 30 can be directly fixed to a mechanical structure on the inner wall of the cavity 11 of the main body 10; the power terminal 30 can also be fixed to the ceramic pillar 20 via a mechanical structure; or the power terminal 30 can be fixed to both the inner wall of the main body 10 and the ceramic pillar 20, thereby improving the connection stability of the power terminal 30. When the charging gun and charging socket 100 are charging, a large amount of heat will be generated on the conductive socket 31 of the power terminal 30. By setting a ceramic pillar 20 in the main body 10 and placing the conductive socket 31 in the receiving hole 24 of the ceramic pillar 20, the heat generated on the conductive socket 31 can be quickly transferred to the ceramic pillar 20, thereby quickly dissipating heat from the conductive socket 31. This improves the high temperature resistance and heat dissipation performance of the charging socket 100, while also ensuring the strength of the entire charging socket 100.

[0041] Furthermore, in one embodiment of the present invention, the anti-detachment part 22 is a first groove 221 recessed radially inward.

[0042] Understandably, by setting the anti-detachment part 22 as a first groove 221 recessed in the radial direction, the snap-fit ​​part 12 in the housing cavity 11 can be fixedly connected with the anti-detachment part 22, thereby preventing the ceramic column 20 from moving and falling off along the axial direction, and improving the stability of the connection between the ceramic column 20 and the main body 10.

[0043] Furthermore, in one embodiment of the present invention, a plurality of second grooves 222 are provided at intervals on the bottom wall of the first groove 221.

[0044] Firstly, by providing multiple second grooves 222 at intervals on the bottom wall of the first groove 221, the anti-detachment part 22 can be fixedly connected to both the first groove 221 and the second grooves 222 simultaneously, further improving the stability of the connection between the ceramic column 20 and the main body 10. Preferably, the snap-fit ​​end 122 includes a first protrusion 1221 and a second protrusion 1222 arranged at intervals, and the first protrusion 1221 is fixedly connected to the first groove 221, and the second protrusion 1222 and the second groove 222 are fixedly connected.

[0045] Furthermore, in one embodiment of the present invention, the anti-rotation part 23 is a plurality of protrusions 231 arranged at intervals along the circumference, and a third groove 232 is provided between the plurality of protrusions 231.

[0046] Understandably, by configuring the anti-rotation part 23 as a plurality of protrusions 231 spaced apart along the axial direction, with a third groove 232 between the plurality of protrusions 231, the locking part 12 can be fixedly connected to the third groove 232, thereby preventing the ceramic column 20 from rotating circumferentially and further improving the stability of the connection between the ceramic column 20 and the main body 10. Preferably, the locking part 12 further includes an anti-rotation limiting member 123, which is connected to the anti-rotation part 23.

[0047] Furthermore, in one embodiment of the present invention, the plug-in portion 21 has a plug-in end 211 and an abutment end 212. The plug-in end 211 is connected to the anti-detachment portion 22. The abutment end 212 is provided at the end of the plug-in end 211 away from the anti-rotation portion 23 along the direction facing the axis. A through hole 216 is provided in the abutment end 212, and the through hole 216 communicates with the receiving hole 24.

[0048] Understandably, by configuring the plug-in portion 21 as a plug-in end 211 and an abutment end 212, when the conductive socket 31 of the power terminal 30 is disposed in the receiving hole 24, the abutment end 212 can be limited to the periphery of the conductive socket 31, preventing the power terminal 30 from falling out of the receiving hole 24 axially. At the same time, since the abutment end 212 is provided with a through hole 216, it can be ensured that the pins of the charging gun can pass through the through hole 216 and the conductive socket 31 in the receiving hole 24 for insertion to transmit electrical energy.

[0049] Furthermore, in one embodiment of the present invention, the end of the abutting end 212 away from the anti-rotation part 23 is provided with a mark 215.

[0050] It can be understood that by providing an identifier 215 at one end of the abutting end 212 away from the anti-rotation portion 23, the power terminal 30 inside the main body 10 can be identified 215, so as to distinguish the functions of different power terminals 30. Optionally, two ceramic columns 20 are provided in the charging socket 100, and a power terminal 30 is provided in each ceramic column 20. The identifier 215 at one end of one ceramic column 20 away from the anti-rotation portion 23 is DC+, and the identifier 215 at one end of the other ceramic column 20 away from the anti-rotation portion 23 is DC-.

[0051] Further, in an embodiment of the present invention, a drainage groove 214 is provided at the bottom of the insertion portion 21. The drainage groove 214 is located on one side of the insertion end 211, penetrates the bottom wall of the insertion end 211 and communicates with the accommodation hole 24.

[0052] It can be understood that when the charging socket 100 is used in rainy weather, water will remain in the accommodation hole 24, which is likely to cause the charging socket 100 to short-circuit. By providing a drainage groove 214 at the bottom of the insertion portion 21, and the drainage groove 214 penetrates the bottom wall of the insertion end 211 on one side of the insertion end 211, the water in the accommodation hole 24 can be drained in time, improving the safety performance of the charging socket 100.

[0053] Further, in an embodiment of the present invention, the drainage groove 214 has a height h1 at one end of the abutting end 212, and the width of the abutting end 212 is h2, and h1 < h2.

[0054] It can be understood that the drainage groove 214 is provided at the bottom of the insertion portion 21 and extends from one end of the insertion end 211 close to the anti-disconnection portion 22 to one end of the abutting end 212 away from the anti-disconnection portion 22. The part of the drainage groove 214 located at the abutting end 212 has a height h1, and the width of the abutting end 212 is h2. The fact that h1 is less than h2 makes the height of the drainage groove 214 in the abutting end 212 less than the width of the abutting end 212, thereby further improving the drainage performance of the ceramic column 20 while ensuring the strength of the abutting end 212.

[0055] Further, in an embodiment of the present invention, the power terminal 30 further includes a fixing portion 33; the fixing portion 33 is provided between the wiring portion 32 and the conductive jack 31, a limiting groove 331 is provided on the fixing portion 33, a gap 13 is provided between the fixing portion 33 and the hole wall of the accommodation hole 24, and a limiting arm 14 is provided on the main body 10. The limiting arm 14 extends into the gap 13 and is fixedly connected to the limiting groove 331.

[0056] Understandably, in order to improve the connection stability of the power terminal 30 and prevent the power terminal 30 from falling off axially, a fixing part 33 is also provided between the wiring part 32 of the power terminal 30 and the conductive socket 31. The fixing part 33 is provided with a limiting groove, and the limiting arm 14 on the main body 10 passes through the gap 13 between the fixing part 33 and the wall of the receiving hole 24 to be fixedly connected with the limiting groove 331, so as to further improve the connection stability of the power terminal 30. Understandably, the limiting groove 331 can be an annular groove or multiple grooves spaced around the outer wall of the fixing part 33, and is not limited here.

[0057] Furthermore, in one embodiment of this utility model, the latching portion 12 includes a protruding arm 121 and a latching end 122. The protruding arm 121 is connected to the inner wall of the cavity 11, and the latching end 122 is connected to the end of the protruding arm 121 away from the inner wall of the cavity 11. The latching end 122 is also fixedly connected to the anti-detachment portion 22. Preferably, the protruding arm 121 and the anti-detachment portion 22 are L-shaped.

[0058] Understandably, by fixing the snap-fit ​​end 122 to the anti-detachment part 22, and connecting the snap-fit ​​end 122 to the inner wall of the cavity 11 via the protruding arm 121, the anti-detachment part 22 and the main body 10 are connected, thereby ensuring that the ceramic column 20 will not fall off.

[0059] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the concept of the present utility model and using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present utility model.

[0060] The above description is only an optional embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the concept of the present utility model and using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present utility model.

Claims

1. A charging socket (100), characterized in that, The charging socket (100) includes a main body (10), a ceramic post (20), and a power terminal (30); The main body (10) has a cavity (11) inside, and the cavity (11) has a snap-fit ​​part (12); The ceramic column (20) is disposed in the cavity (11). The ceramic column (20) includes a plug-in part (21), an anti-detachment part (22), and an anti-rotation part (23) connected in sequence. The ceramic column (20) is provided with a receiving hole (24) along the axial direction. The anti-detachment part (22) and the anti-rotation part (23) are fixedly connected to the snap-fit ​​part (12). The power terminal (30) includes a conductive socket (31) and a wiring portion (32). The conductive socket (31) is inserted into the receiving hole (24), and the wiring portion (32) is connected to the wire (40).

2. The charging socket (100) as described in claim 1, characterized in that, The anti-detachment part (22) is a first groove (221) recessed radially inward.

3. A charging socket (100) as described in claim 2, characterized in that, The bottom wall of the first groove (221) is provided with a plurality of second grooves (222) at intervals.

4. A charging socket (100) as described in claim 1, characterized in that, The anti-rotation part (23) consists of a plurality of protrusions (231) spaced apart along the circumference, and a third groove (232) is provided between the plurality of protrusions (231).

5. A charging socket (100) as described in claim 1, characterized in that, The plug-in part (21) has a plug-in end (211) and an abutment end (212). The plug-in end (211) is connected to the anti-detachment part (22). The abutment end (212) is provided at the end of the plug-in end (211) away from the anti-rotation part (23) along the direction facing the axis. The abutment end (212) is provided with a through hole (216). The through hole (216) is connected to the receiving hole (24).

6. A charging socket (100) as described in claim 5, characterized in that, The end of the contact end (212) away from the anti-rotation part (23) is marked (215).

7. A charging socket (100) as described in claim 5, characterized in that, The bottom of the plug-in part (21) is provided with a drainage groove (214), which is located on one side of the plug-in end (211), penetrates the bottom wall of the plug-in end (211), and communicates with the receiving hole (24).

8. A charging socket (100) as described in claim 7, characterized in that, The drainage channel (214) has a height h1 at one end of the abutment end (212), and the width of the abutment end (212) is h2. <h2。 9. A charging socket (100) as described in claim 1, characterized in that, The power terminal (30) also includes a fixing part (33); The fixing part (33) is located between the wiring part (32) and the conductive socket (31). The fixing part (33) is provided with a limiting groove (331). A gap (13) is provided between the fixing part (33) and the wall of the receiving hole (24). The main body (10) is provided with a limiting arm (14). The limiting arm (14) extends into the gap (13) and is fixedly connected to the limiting groove (331).

10. A charging socket (100) as described in claim 3, characterized in that, The snap-fit ​​part (12) includes a protruding arm (121) and a snap-fit ​​end (122). The protruding arm (121) is connected to the inner wall of the cavity (11). The snap-fit ​​end (122) is connected to the end of the protruding arm (121) away from the inner wall of the cavity (11). The snap-fit ​​end (122) is fixedly connected to the anti-detachment part (22).

11. A charging socket (100) as described in claim 10, characterized in that, The convex arm (121) and the anti-detachment part (22) are arranged in an L-shape.

12. A charging socket (100) as described in claim 11, characterized in that, The snap-fit ​​end (122) includes a first protrusion (1221) and a second protrusion (1222) spaced apart, and the first protrusion (1221) and the first groove (221) are fixedly connected, and the second protrusion (1222) and the second groove (222) are fixedly connected.

13. A charging socket (100) as described in claim 1, characterized in that, The latching part (12) further includes an anti-rotation limiting member (123), which is connected to the anti-rotation part (23).

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