charging base
By introducing a movable locking element and a beveled or arc-shaped surface structure into the charging dock, the problems of complex installation and inconvenient disassembly of the grounding terminal are solved, realizing easy installation and stable locking of the grounding terminal, and improving the ease of use and structural simplicity of the charging dock.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TYCO ELECTRONICS (SHANGHAI) CO LTD
- Filing Date
- 2025-08-29
- Publication Date
- 2026-07-28
AI Technical Summary
In existing technologies, the grounding terminal of the charging base for new energy electric vehicles is complex to install and inconvenient to disassemble, and needs to be improved.
Design a charging dock that uses a movable locking component. By switching between a pre-installed position and a final installation position, the grounding terminal can be easily installed and removed. The locking spring and the inclined or arc surface structure facilitate the engagement and disengagement of the locking component. Combined with the U-shaped holding part and the stepped structure, the grounding terminal is stably locked.
The process of processing and disassembling the grounding terminal is simplified, the secondary locking structure is eliminated, and the structural simplicity and ease of use of the charging base are improved.
Smart Images

Figure CN224570482U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a charging stand. Background Technology
[0002] In existing technologies, to charge the battery packs of new energy electric vehicles, a charging socket suitable for mates with a charging gun needs to be installed on the vehicle. The charging socket has a grounding terminal for mating with the grounding terminal on the charging gun. The grounding terminal is installed in a grounding socket on the charging socket housing. Typically, a snap-fit and secondary locking structure is used to fix the grounding terminal in the grounding socket. This installation method places certain requirements on the fabrication of both the grounding terminal and the grounding socket, and removing the grounding terminal from the socket is relatively cumbersome. Utility Model Content
[0003] The purpose of this utility model is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.
[0004] According to one aspect of the present invention, a charging dock is provided, comprising: a charging dock housing, a grounding terminal, and a locking member. The charging dock housing has a grounding socket and a slot communicating with the grounding socket. The grounding terminal is inserted into the grounding socket. The locking member is movably inserted into the slot and is movable between a pre-installed position and a final-installed position. When the locking member is in the pre-installed position, the locking member does not interfere with the grounding terminal, allowing the grounding terminal to be inserted and removed. When the locking member is in the final-installed position, the locking member abuts against the grounding terminal to lock the grounding terminal in the grounding socket.
[0005] According to an exemplary embodiment of the present invention, a pre-locking groove and a final locking groove are formed in the slot, and the locking member has a locking spring with a protrusion formed on the locking spring. When the locking member is in the pre-installed position, the protrusion of the locking spring engages with the pre-locking groove to hold the locking member in the pre-installed position. When the locking member is in the final installed position, the protrusion of the locking spring engages with the final locking groove to hold the locking member in the final installed position.
[0006] According to another exemplary embodiment of the present invention, the protrusion is provided with a bevel or arc surface along the insertion and withdrawal direction of the locking member, so as to facilitate engagement or disengagement of the protrusion with the pre-locking groove and the final locking groove.
[0007] According to another exemplary embodiment of the present invention, the grounding terminal includes an insertion section and a locking section axially connected to each other, wherein the radius of the insertion section is larger than the radius of the locking section, so as to form a stepped structure at the end of the connection between the insertion section and the locking section.
[0008] According to another exemplary embodiment of the present invention, when the locking member is in the final installation position, the locking member axially abuts against the stepped structure of the insertion section to lock the grounding terminal in the grounding socket.
[0009] According to another exemplary embodiment of the present invention, the locking member has a U-shaped retaining portion adapted to engage with the locking section of the grounding terminal, the inner contour of the retaining portion matching the outer contour of the locking section of the grounding terminal.
[0010] According to another exemplary embodiment of the present invention, when the locking member is in the final installation position, the locking member axially abuts against the end face of the grounding terminal to lock the grounding terminal in the grounding socket.
[0011] According to another exemplary embodiment of the present invention, the charging dock further includes: a grounding cable connected to the rear end of the grounding terminal, and the locking member is located at the rear end of the grounding terminal.
[0012] According to another exemplary embodiment of the present invention, the front end of the grounding terminal abuts against a step inside the grounding socket.
[0013] According to another exemplary embodiment of the present invention, the charging dock further includes: a connecting terminal, which is L-shaped and has a first connecting portion and a second connecting portion that are perpendicular to each other, wherein the first connecting portion is electrically connected to the conductor of the grounding cable and the second connecting portion is electrically connected to the rear end of the grounding terminal.
[0014] According to another exemplary embodiment of the present invention, the first connecting part is threaded, welded, riveted or crimped to the conductor of the grounding cable; the second connecting part is threaded, welded, riveted or crimped to the rear end of the grounding terminal.
[0015] According to another exemplary embodiment of the present invention, the charging base further includes: a bolt passing through the second connecting portion of the connecting terminal, having an internal thread formed in the rear end of the grounding terminal, the bolt being connected to the internal thread of the rear end of the grounding terminal to fasten the second connecting portion of the connecting terminal to the rear end of the grounding terminal.
[0016] According to another exemplary embodiment of the present invention, the front end of the grounding terminal is adapted to mate with the mating grounding terminal on the charging gun.
[0017] According to another exemplary embodiment of the present invention, the charging dock housing is further provided with a power socket and a signal socket, and the charging dock further includes: a power terminal inserted into the power socket; and a signal terminal inserted into the signal socket.
[0018] According to another exemplary embodiment of the present invention, the grounding socket extends longitudinally along the charging base housing, and the slot extends radially along the grounding socket.
[0019] In the foregoing exemplary embodiments of the present invention, the grounding terminal is held in the grounding socket by a locking member that can move between the pre-installed position and the final installation position. The processing of the grounding terminal and the grounding socket is simple, the grounding terminal is easy to disassemble, and the secondary locking structure on the connector housing can be eliminated, making the structure of the connector housing simpler.
[0020] Other objects and advantages of the present invention will become apparent from the following description of the invention with reference to the accompanying drawings, and will help to provide a comprehensive understanding of the invention. Attached Figure Description
[0021] Figure 1A This is a perspective view of a charging dock according to an exemplary embodiment of the present invention from a frontal perspective. Figure 1B This is a perspective view of a charging dock according to an exemplary embodiment of the present invention, viewed from the rear. Figure 2 This diagram shows an exploded view of a charging dock according to an exemplary embodiment of the present invention. Figure 3 show Figure 2 A three-dimensional view of the locking component; Figure 4 Showing a cross-sectional view of the locking member of a charging dock in its final position according to an exemplary embodiment of the present invention; Figure 5 This shows a cross-sectional view of the locking member of a charging dock in a pre-installed position according to an exemplary embodiment of the present invention. Detailed Implementation
[0022] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings. In this specification, the same or similar reference numerals indicate the same or similar components. The following description of the embodiments of this utility model with reference to the accompanying drawings is intended to explain the overall inventive concept of this utility model and should not be construed as a limitation thereof.
[0023] Furthermore, in the following detailed description, numerous specific details are set forth for ease of explanation to provide a thorough understanding of the embodiments disclosed herein. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and apparatuses are illustrated to simplify the figures.
[0024] According to a general technical concept of this utility model, a charging dock is provided, including a charging dock housing, a grounding terminal, and a locking member. The charging dock housing has a grounding socket and a slot communicating with the grounding socket. The grounding terminal is inserted into the grounding socket. The locking member is movably inserted into the slot and is movable between a pre-installed position and a final installation position. When the locking member is in the pre-installed position, the locking member does not interfere with the grounding terminal, allowing the grounding terminal to be inserted and removed. When the locking member is in the final installation position, the locking member axially abuts against the grounding terminal to lock the grounding terminal in the grounding socket.
[0025] Figure 1A This is a perspective view of a charging dock according to an exemplary embodiment of the present invention from a frontal perspective. Figure 1B This is a perspective view of a charging dock according to an exemplary embodiment of the present invention, viewed from the rear. Figure 2 This diagram shows an exploded view of a charging dock according to an exemplary embodiment of the present invention. Figure 3 show Figure 2 A three-dimensional view of the locking component; Figure 4 Showing a cross-sectional view of the locking member of a charging dock in its final position according to an exemplary embodiment of the present invention; Figure 5 This shows a cross-sectional view of the locking member of a charging dock in a pre-installed position according to an exemplary embodiment of the present invention.
[0026] like Figures 1A to 5 As shown, in an exemplary embodiment of this utility model, a charging dock is disclosed. The charging dock includes: a charging dock housing 1, a grounding terminal 2, and a locking member 3. The charging dock housing 1 has a grounding socket 11 and a slot 10 communicating with the grounding socket 11. The grounding terminal 2 is inserted into the grounding socket 11. The locking member 3 is movably inserted into the slot 10 and is movable between a pre-installed position and a final installation position. When the locking member 3 is in the pre-installed position, the locking member 3 does not interfere with the grounding terminal 2, allowing the grounding terminal 2 to be inserted and removed. When the locking member 3 is in the final installation position, the locking member 3 abuts against the grounding terminal 2, more specifically, abuts against the grounding terminal 2 axially, to lock the grounding terminal 2 in the grounding socket 11.
[0027] like Figures 1A to 5As shown, a pre-locking groove 101 and a final locking groove 102 are formed in the slot 10. The locking member 3 has a locking spring 31, on which a protrusion 301 is formed. When the locking member 3 is in the pre-installed position, the protrusion 301 of the locking spring 31 engages with the pre-locking groove 101 to hold the locking member 3 in the pre-installed position. When the locking member 3 is in the final installed position, the protrusion 301 of the locking spring 31 engages with the final locking groove 102 to hold the locking member 3 in the final installed position.
[0028] like Figures 1A to 5 As shown, the protrusion 301 has a bevel 311 or an arc surface along the insertion and withdrawal direction of the locking member 3, so that the protrusion 301 can engage or disengage with the pre-locking groove 101 and the final locking groove (102).
[0029] like Figures 1A to 5 As shown, the grounding terminal 2 includes an insertion section 21 and a locking section 22 that are axially connected to each other. The radius of the insertion section 21 is larger than the radius of the locking section 22, so that a stepped structure 201 is formed at the end of the connection between the insertion section 21 and the locking section 22.
[0030] like Figures 1A to 5 As shown, when the locking member 3 is in the final installation position, the locking member 3 axially abuts against the stepped structure 201 of the insertion section 21 to lock the grounding terminal 2 in the grounding socket 11.
[0031] like Figures 1A to 5 As shown, the locking member 3 has a U-shaped retaining portion 32 adapted to be engaged on the locking section 22 of the grounding terminal 2. The inner contour 302 of the retaining portion 32 matches the outer contour of the locking section 22 of the grounding terminal 2.
[0032] like Figures 1A to 5 As shown, when the locking member 3 is in the final installation position, the locking member 3 axially abuts against the end face 202 of the grounding terminal 2 to lock the grounding terminal 2 in the grounding socket 11.
[0033] like Figures 1A to 5 As shown, the charging dock also includes a grounding cable 4, which is connected to the rear end of the grounding terminal 2. The locking element 3 is located at the rear end of the grounding terminal 2.
[0034] like Figures 1A to 5 As shown, the front end of the grounding terminal 2 abuts against the step 111 inside the grounding socket 11.
[0035] like Figures 1A to 5 As shown, the charging dock also includes a connection terminal 5. The connection terminal 5 is L-shaped and has a first connection portion 51 and a second connection portion 52 that are perpendicular to each other. The first connection portion 51 is electrically connected to the conductor of the grounding cable 4, and the second connection portion 52 is electrically connected to the rear end of the grounding terminal 2.
[0036] like Figures 1A to 5 As shown, the first connecting part 51 is threaded, welded, riveted, or crimped to the conductor of the grounding cable 4. The second connecting part 52 is threaded, welded, riveted, or crimped to the rear end of the grounding terminal 2.
[0037] like Figures 1A to 5 As shown, the charging base also includes a bolt 6 that passes through the second connecting portion 52 of the connecting terminal 5. An internal thread is formed in the rear end of the grounding terminal 2, and the bolt 6 is connected to the internal thread at the rear end of the grounding terminal 2 to fasten the second connecting portion 52 of the connecting terminal 5 to the rear end of the grounding terminal 2.
[0038] like Figures 1A to 5 As shown, the front end of the grounding terminal 2 is adapted to mate with the mating grounding terminal on the charging gun.
[0039] like Figures 1A to 5 As shown, the charging dock housing 1 also has a power socket 13 and a signal socket 14. The charging dock also includes power terminals and signal terminals. The power terminals are inserted into the power socket 13, and the signal terminals are inserted into the signal socket 14.
[0040] like Figures 1A to 5 As shown, the grounding socket 11 extends longitudinally along the charging base housing 1, and the slot 10 extends radially along the grounding socket 11.
[0041] Those skilled in the art will understand that the embodiments described above are exemplary and can be improved upon. The structures described in the various embodiments can be freely combined without causing structural or principle conflicts, and these changes should fall within the protection scope of this utility model.
[0042] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the present invention and should not be construed as a limitation thereof.
[0043] While some embodiments of the general concept of this utility model have been shown and described, those skilled in the art will understand that changes may be made to these embodiments without departing from the principles and spirit of the general concept of this utility model, the scope of which is defined by the claims and their equivalents.
[0044] It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude multiple elements. Furthermore, any reference numerals in the claims should not be construed as limiting the scope of this invention.
Claims
1. A charging stand, characterized in that, include: The charging housing (1) has a grounding socket (11) and a slot (10) communicating with the grounding socket (11). The grounding terminal (2) is inserted into the grounding socket (11); as well as The locking element (3) is movably inserted into the slot (10) and is movable between the pre-installed position and the final installation position; When the locking member (3) is in the pre-installed position, the locking member (3) does not interfere with the grounding terminal (2) to allow the grounding terminal (2) to be plugged in and unplugged. When the locking member (3) is in the final installation position, the locking member (3) abuts against the grounding terminal (2) to lock the grounding terminal (2) in the grounding socket (11).
2. The charging dock according to claim 1, characterized in that: A pre-locking groove (101) and a final locking groove (102) are formed in the slot (10), and the locking member (3) has a locking spring (31) with a protrusion (301) formed on the locking spring (31). When the locking member (3) is in the pre-installed position, the protrusion (301) of the locking spring (31) engages with the pre-locking groove (101) to keep the locking member (3) in the pre-installed position; When the locking member (3) is in the final position, the protrusion (301) of the locking spring (31) engages with the final locking groove (102) to hold the locking member (3) in the final position.
3. The charging dock according to claim 2, characterized in that: The protrusion (301) has a bevel (311) or an arc surface along the insertion and extraction direction of the locking member (3) so that the protrusion (301) can engage or disengage with the pre-locking groove (101) and the final locking groove (102).
4. The charging dock according to claim 1, characterized in that: The grounding terminal (2) includes an insertion section (21) and a locking section (22) that are axially connected to each other. The radius of the insertion section (21) is greater than the radius of the locking section (22) to form a stepped structure (201) at the end of the connection between the insertion section (21) and the locking section (22).
5. The charging dock according to claim 4, characterized in that: When the locking member (3) is in the final installation position, the locking member (3) abuts axially against the stepped structure (201) of the insertion section (21) to lock the grounding terminal (2) in the grounding socket (11).
6. The charging dock according to claim 5, characterized in that: The locking member (3) has a U-shaped retaining portion (32) adapted to be engaged on the locking section (22) of the grounding terminal (2), the inner contour (302) of the retaining portion (32) matching the outer contour of the locking section (22) of the grounding terminal (2).
7. The charging stand according to claim 1, characterized in that: When the locking member (3) is in the final installation position, the locking member (3) abuts axially against the end face (202) of the grounding terminal (2) to lock the grounding terminal (2) in the grounding socket (11).
8. The charging stand according to claim 1, characterized in that... Also includes: The grounding cable (4) is connected to the rear end of the grounding terminal (2). The locking element (3) is located at the rear end of the grounding terminal (2).
9. The charging dock according to claim 8, characterized in that: The front end of the grounding terminal (2) abuts against the step (111) inside the grounding socket (11).
10. The charging dock according to claim 8, characterized in that, Also includes: The connecting terminal (5) is L-shaped and has a first connecting part (51) and a second connecting part (52) that are perpendicular to each other. The first connecting part (51) is electrically connected to the conductor of the grounding cable (4), and the second connecting part (52) is electrically connected to the rear end of the grounding terminal (2).
11. The charging dock according to claim 10, characterized in that: The first connecting part (51) is threaded, welded, riveted or crimped to the conductor of the grounding cable (4); The second connection part (52) is threaded, welded, riveted or crimped to the rear end of the grounding terminal (2).
12. The charging stand according to claim 11, characterized in that, Also includes: Bolt (6) passes through the second connecting part (52) of the connecting terminal (5). An internal thread is formed in the rear end of the grounding terminal (2), and the bolt (6) is connected to the internal thread at the rear end of the grounding terminal (2) to fasten the second connection portion (52) of the connecting terminal (5) to the rear end of the grounding terminal (2).
13. The charging dock according to claim 1, characterized in that: The front end of the grounding terminal (2) is adapted to be matched with the matching grounding terminal on the charging gun.
14. The charging dock according to claim 1, characterized in that: The charging base housing (1) also has a power socket (13) and a signal socket (14). The charging dock also includes: The power terminals are inserted into the power socket (13); and The signal terminal is inserted into the signal jack (14).
15. The charging dock according to claim 1, characterized in that: The grounding socket (11) extends longitudinally along the charging base housing (1), and the slot (10) extends radially along the grounding socket (11).