Charging seat

Abstract

The invention discloses a charging seat which comprises a shell, a first mounting hole is formed in the shell, and the first mounting hole is provided with a first front port and a first rear port which are opposite in the axial direction of the first mounting hole; the signal terminal is inserted into the first mounting hole of the shell from the first rear port of the first mounting hole; and one end of the signal cable extends into the first rear port of the first mounting hole and is electrically connected with the signal terminal. And the signal terminal is suitable for being matched with a matching signal terminal of a charging gun inserted from the first front port of the first mounting hole. Further, in some embodiments of the invention, the signal terminal and the charging terminal are locked in the housing by a first end cap and a second end cap, respectively. Therefore, a lead frame for locking the charging terminal and the signal terminal and a signal connector for electrically connecting the signal terminal and the signal cable do not need to be arranged in the shell, so that the number of parts of the charging seat can be reduced, the structure of the charging seat is simplified, and the cost of the charging seat is reduced.

Description

Technical Field

[0001] This invention relates to a charging stand, and more particularly to a charging stand suitable for use with a charging gun. Background Technology

[0002] In existing technology, a charging dock typically includes a housing, charging terminals, signal terminals, a lead frame, and a signal connector. The housing typically includes a front housing and a rear housing assembled together, and a sealing ring pressed between the front and rear housings. A first mounting hole for inserting the charging terminals and a second mounting hole for inserting the signal terminals are formed in the housing. The charging terminals and signal terminals are respectively inserted into the first and second mounting holes of the housing. The lead frame is mounted in the housing and is movable between a locked position engaging with the charging terminals and signal terminals and an unlocked position disengaging from the charging terminals and signal terminals. Therefore, after the charging terminals and signal terminals are respectively inserted into the housing, a tool is needed to move the lead frame to the locking position to lock the charging terminals and signal terminals in the housing.

[0003] In the prior art, signal connectors are mounted on lead frames. Signal connectors typically have contact springs for electrical contact with signal terminals and connection terminals adapted to mate with mating terminals of mating signal connectors. A mating signal connector includes mating terminals and a signal cable electrically connected to the mating terminals. When a signal connector mates with a mating signal connector, an electrical connection is established between the signal cable and the signal terminals.

[0004] In existing technologies, charging docks have too many components, are complex in structure, and are difficult to assemble. Furthermore, it requires manipulating the internal lead frame to lock the charging and signal terminals within the housing, making operation very difficult. In addition, a signal connector for electrical connection to the signal terminals needs to be placed within the housing, which increases costs. Summary of the Invention

[0005] The purpose of this invention is to solve at least one aspect of the aforementioned problems and defects existing in the prior art.

[0006] According to one aspect of the present invention, a charging dock is provided. The charging dock includes: a housing having a first mounting hole having a first front port and a first rear port opposite each other in its axial direction; a signal terminal inserted from the first rear port of the first mounting hole into the first mounting hole of the housing; and a signal cable, one end of which extends into the first rear port of the first mounting hole and is electrically connected to the signal terminal. The signal terminal is adapted to mate with a mating signal terminal of a charging gun inserted from the first front port of the first mounting hole.

[0007] According to an exemplary embodiment of the present invention, the charging dock further includes: a first end cap, which is mounted on a first rear port of the first mounting hole. The first end cap includes a first locking portion, which is inserted into the first rear port and abuts against the signal terminal to lock the signal terminal in the first mounting hole.

[0008] According to another exemplary embodiment of the present invention, the first end cap further includes: a first peripheral wall; and a first end wall connected to the first peripheral wall. The first rear port has an outer peripheral wall protruding from the rear side of the housing, and the first peripheral wall of the first end cap is fitted and locked onto the outer peripheral wall of the first rear port.

[0009] According to another exemplary embodiment of the present invention, a plurality of first protrusions are formed on the outer peripheral wall of the first rear port, the plurality of first protrusions being spaced apart in the circumferential direction of the first rear port; a plurality of first slots are formed on the first peripheral wall of the first end cap, the plurality of first protrusions being respectively engaged into the plurality of first slots to fix the first end cap to the outer peripheral wall of the first rear port.

[0010] According to another exemplary embodiment of the present invention, the first locking portion of the first end cap is cylindrical and its rear end is connected to the inner side of the first end wall of the first end cap; the signal terminal has a cylindrical rear end, and the front end of the first locking portion axially abuts against the rear end face of the cylindrical rear end portion of the signal terminal.

[0011] According to another exemplary embodiment of the present invention, the signal terminal further has a first cylindrical body, on which a first locking spring is formed; a first locking step is formed in the first mounting hole, and the first locking spring abuts against the first locking step to lock the signal terminal in the first mounting hole.

[0012] According to another exemplary embodiment of the present invention, a first seal is injection molded on the first cylindrical body of the signal terminal, and the front and rear portions of the first mounting hole are sealed and isolated by the first seal, so that moisture entering from the first front port of the first mounting hole cannot enter the rear portion of the first mounting hole.

[0013] According to another exemplary embodiment of the present invention, a through hole is formed on the peripheral wall of the first cylindrical body, and the first sealing member includes an outer sealing portion located outside the first cylindrical body and an inner sealing portion entering the inner cavity of the first cylindrical body through the through hole; the inner sealing portion of the first sealing member blocks the inner cavity of the first cylindrical body to prevent moisture from entering the rear part of the first mounting hole through the inner cavity of the first cylindrical body; the outer sealing portion of the first sealing member is pressed between the inner wall surface of the first mounting hole and the first cylindrical body to achieve a seal between the two.

[0014] According to another exemplary embodiment of the present invention, a first through hole is formed on the first end wall of the first end cap to allow the signal cable to pass through, and the signal terminal further has a crimping portion for crimping onto one end of the signal cable; the crimping portion and the cylindrical rear end of the signal terminal are located in the rear of the first mounting hole, and the crimping portion is connected between the first cylindrical body and the cylindrical rear end.

[0015] According to another exemplary embodiment of the present invention, a first positioning step is formed inside the first front port of the first mounting hole, and the front end face of the signal terminal abuts against the first positioning step in an axial manner to position the signal terminal in an axial manner.

[0016] According to another exemplary embodiment of the invention, the housing has a first post protruding from its front side, the first mounting hole penetrating the first post, and the first post being adapted to be inserted into a first socket on the charging gun.

[0017] According to another exemplary embodiment of the present invention, the charging dock includes a plurality of signal terminals and a plurality of signal cables, a plurality of first mounting holes are formed in the housing, the plurality of signal terminals are respectively inserted into the plurality of first mounting holes, and one end of the plurality of signal cables extends into the plurality of first mounting holes and is electrically connected to the plurality of signal terminals respectively.

[0018] According to another exemplary embodiment of the present invention, the charging dock includes a plurality of first end caps, which are respectively mounted on the first rear ports of the plurality of first mounting holes to lock the plurality of signal terminals in the plurality of first mounting holes.

[0019] According to another exemplary embodiment of the present invention, a second mounting hole is further formed in the housing, the second mounting hole having a second front port and a second rear port opposite to each other in its axial direction. The charging socket further includes: a charging terminal, inserted from the second rear port of the second mounting hole into the second mounting hole of the housing; and a charging cable, one end of which extends into the second rear port of the second mounting hole and is electrically connected to the charging terminal. The charging terminal is adapted to mate with a mating charging terminal of a charging gun inserted from the second front port of the second mounting hole.

[0020] According to another exemplary embodiment of the present invention, the charging dock further includes a second end cap, which is mounted on a second rear port of the second mounting hole. The second end cap includes a second locking portion that is inserted into the second rear port and abuts against the charging terminal to lock the charging terminal in the second mounting hole.

[0021] According to another exemplary embodiment of the present invention, the second end cap further includes: a second peripheral wall; and a second end wall connected to the second peripheral wall. The second rear port has an outer peripheral wall protruding from the rear side of the housing, and the second peripheral wall is fitted and locked onto the outer peripheral wall of the second rear port.

[0022] According to another exemplary embodiment of the present invention, a plurality of second protrusions are formed on the outer peripheral wall of the second rear port, the plurality of second protrusions being spaced apart in the circumferential direction of the second rear port; a plurality of second slots are formed on the second peripheral wall of the second end cap, the plurality of second protrusions being respectively engaged into the plurality of second slots to fix the second end cap to the outer peripheral wall of the second rear port.

[0023] According to another exemplary embodiment of the present invention, the second locking portion of the second end cap is semi-cylindrical and its rear end is connected to the inner side of the second end wall of the second end cap; the charging terminal has a second cylindrical body, and the front end of the second locking portion axially abuts against the rear end surface of the second cylindrical body of the charging terminal.

[0024] According to another exemplary embodiment of the present invention, a second locking step is formed in the second mounting hole, and a second locking spring is formed on the second cylindrical body of the charging terminal. The second locking spring abuts against the second locking step to lock the charging terminal in the second mounting hole.

[0025] According to another exemplary embodiment of the present invention, a second seal is injection molded on the second cylindrical body of the charging terminal. The second seal is located near the rear end of the second cylindrical body and is used to seal the second mounting hole. The front and rear portions of the second mounting hole are sealed and isolated by the second seal, so that moisture entering from the second front port of the second mounting hole cannot enter the rear portion of the second mounting hole.

[0026] According to another exemplary embodiment of the present invention, a through hole is formed on the peripheral wall of the rear end portion of the second cylindrical body, and the second sealing member includes an outer sealing portion located outside the second cylindrical body and an inner sealing portion entering the inner cavity of the second cylindrical body through the through hole; the inner sealing portion of the second sealing member blocks the inner cavity of the second cylindrical body to prevent moisture from entering the rear portion of the second mounting hole through the inner cavity of the second cylindrical body; the outer sealing portion of the second sealing member is pressed between the inner wall surface of the second mounting hole and the second cylindrical body to achieve a seal between the two.

[0027] According to another exemplary embodiment of the present invention, a second through hole is formed on the second end wall of the second end cap to allow a charging cable to pass through, and the charging terminal further has a welding end for soldering to one end of the charging cable, the welding end of the charging terminal being flat and located in the rear of the second mounting hole.

[0028] According to another exemplary embodiment of the present invention, a second positioning step is formed inside the second front port of the second mounting hole, and the front end face of the charging terminal abuts against the second positioning step in an axial manner to position the charging terminal in an axial manner.

[0029] According to another exemplary embodiment of the present invention, the housing has a second post protruding from its front side, the second mounting hole passing through the second post, and the second post being adapted to be inserted into a second socket on the charging gun.

[0030] According to another exemplary embodiment of the present invention, the charging dock includes a plurality of charging terminals and a plurality of charging cables, a plurality of second mounting holes are formed in the housing, the plurality of charging terminals are respectively inserted into the plurality of second mounting holes, and one end of the plurality of charging cables extends into the second mounting holes and is electrically connected to the plurality of charging terminals respectively.

[0031] According to another exemplary embodiment of the present invention, the charging dock includes a plurality of second end caps, which are respectively mounted on the second rear ports of the plurality of second mounting holes to lock the plurality of charging terminals in the plurality of second mounting holes.

[0032] According to another exemplary embodiment of the present invention, the housing is a one-piece molded part.

[0033] According to another exemplary embodiment of the present invention, the housing, the second end cap, and the first end cap are all integrally molded injection molded parts.

[0034] In the foregoing exemplary embodiments of the present invention, the signal terminals are directly electrically connected to the signal cables. Therefore, there is no need to provide signal connectors in the housing, thereby reducing the number of components in the charging dock, simplifying the structure of the charging dock, and reducing the cost of the charging dock.

[0035] Furthermore, in some of the exemplary embodiments of the present invention, the signal terminal is locked in the first mounting hole by the first end cap. Therefore, there is no need to provide a lead frame for locking the signal terminal in the housing, thereby further reducing the number of components of the charging dock, simplifying the structure of the charging dock and reducing the cost of the charging dock.

[0036] Furthermore, in some of the exemplary embodiments of the present invention, the charging terminal is locked in the second mounting hole by the second end cap. Therefore, there is no need to provide a lead frame for locking the charging terminal in the housing, thereby further reducing the number of components of the charging socket, simplifying the structure of the charging socket and reducing the cost of the charging socket.

[0037] Furthermore, in some of the exemplary embodiments of the present invention, the housing of the charging dock is a one-piece molded part, which can further reduce the number of parts of the charging dock, simplify the structure of the charging dock and reduce the cost of the charging dock.

[0038] Other objects and advantages of the 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

[0039] Figure 1 A perspective view of a charging dock according to an exemplary embodiment of the present invention is shown;

[0040] Figure 2 An exploded view of a charging dock according to an exemplary embodiment of the present invention is shown;

[0041] Figure 3 This diagram shows a perspective view of a charging dock according to an exemplary embodiment of the present invention, wherein the first end cap and the second end cap have not yet been installed onto the housing of the charging dock;

[0042] Figure 4 A perspective view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein the charging terminals and the second end cap have not yet been installed onto the housing of the charging dock;

[0043] Figure 5 This shows an axial sectional view of a charging dock according to an exemplary embodiment of the present invention, wherein the charging terminals and the second end cap have not yet been installed into the housing of the charging dock;

[0044] Figure 6 An axial sectional view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein charging terminals and a second end cap are shown;

[0045] Figure 7 This shows an axial sectional view of a charging dock according to an exemplary embodiment of the present invention, wherein the second end cap has not yet been installed onto the housing of the charging dock;

[0046] Figure 8 A perspective view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein the signal terminals and the first end cap have not yet been installed onto the housing of the charging dock;

[0047] Figure 9 This shows an axial sectional view of a charging dock according to an exemplary embodiment of the present invention, wherein the signal terminals and the first end cap have not yet been installed into the housing of the charging dock;

[0048] Figure 10 An axial sectional view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein signal terminals and a first end cap are shown;

[0049] Figure 11 This shows an axial sectional view of a charging dock according to an exemplary embodiment of the present invention, wherein the first end cap has not yet been installed onto the housing of the charging dock. Detailed Implementation

[0050] The technical solution of the present invention 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 the present invention with reference to the accompanying drawings is intended to explain the overall inventive concept of the present invention and should not be construed as a limitation thereof.

[0051] 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.

[0052] According to a general technical concept of the present invention, a charging dock is provided. The charging dock includes: a housing having a first mounting hole having a first front port and a first rear port opposite each other in its axial direction; a signal terminal inserted from the first rear port of the first mounting hole into the first mounting hole of the housing; and a signal cable, one end of which extends into the first rear port of the first mounting hole and is electrically connected to the signal terminal. The signal terminal is adapted to mate with a mating signal terminal of a charging gun inserted from the first front port of the first mounting hole.

[0053] According to another general technical concept of the present invention, a charging dock is provided. The charging dock includes: a housing having a mounting hole having a front port and a rear port opposite each other in its axial direction; a terminal that is inserted from the rear port of the mounting hole into the mounting hole of the housing; and an end cap that is mounted to the rear port of the mounting hole. The end cap includes a locking portion that is inserted into the rear port and abuts against the terminal to lock the terminal in the mounting hole.

[0054] Figure 1 A perspective view of a charging dock according to an exemplary embodiment of the present invention is shown; Figure 2 An exploded view of a charging dock according to an exemplary embodiment of the present invention is shown; Figure 3 This diagram shows a perspective view of a charging dock according to an exemplary embodiment of the present invention, wherein the first end cap 22 and the second end cap 21 have not yet been installed onto the housing 1 of the charging dock; Figure 8 A perspective view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein the signal terminal 32 and the first end cap 22 have not yet been installed onto the housing 1 of the charging dock; Figure 9 An axial sectional view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein the signal terminal 32 and the first end cap 22 have not yet been installed onto the housing 1 of the charging dock; Figure 10 An axial cross-sectional view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein signal terminals 32 and a first end cap 22 are shown; Figure 11 This shows an axial sectional view of a charging dock according to an exemplary embodiment of the present invention, wherein the first end cap 22 has not yet been installed onto the housing 1 of the charging dock.

[0055] like Figure 1-3 and Figure 8-11As shown, in an exemplary embodiment of the present invention, a charging dock is disclosed. The charging dock includes a housing 1, a signal terminal 32, and a signal cable 52. The housing 1 has a first mounting hole 12 having a first front port 12b and a first rear port 12a opposite to each other in its axial direction. The signal terminal 32 is inserted into the first mounting hole 12 of the housing 1 through the first rear port 12a. One end of the signal cable 52 extends into the first rear port 12a of the first mounting hole 12 and is electrically connected to the signal terminal 32. The signal terminal 32 is adapted to mate with a mating signal terminal of a charging gun inserted from the first front port 12b of the first mounting hole 12.

[0056] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, the charging dock further includes a first end cap 22. The first end cap 22 is mounted onto a first rear port 12a of the first mounting hole 12. The first end cap 22 includes a first locking part 220, which is inserted into the first rear port 12a and abuts against the signal terminal 32 to lock the signal terminal 32 in the first mounting hole 12.

[0057] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, the first end cap 22 further includes a first peripheral wall 221 and a first end wall 222. The first end wall 222 is connected to the first peripheral wall 221. The first rear port 12a has an outer peripheral wall protruding from the rear side of the housing 1, and the first peripheral wall 221 of the first end cap 22 is fitted and locked onto the outer peripheral wall of the first rear port 12a.

[0058] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, a plurality of first protrusions 12f are formed on the outer peripheral wall of the first rear port 12a, and the plurality of first protrusions 12f are spaced apart in the circumferential direction of the first rear port 12a. A plurality of first slots 22f are formed on the first peripheral wall 221 of the first end cover 22, and the plurality of first protrusions 12f are respectively engaged into the plurality of first slots 22f to fix the first end cover 22 to the outer peripheral wall of the first rear port 12a.

[0059] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, the first locking portion 220 of the first end cap 22 is cylindrical and its rear end is connected to the inner side of the first end wall 222 of the first end cap 22. The signal terminal 32 has a cylindrical rear end portion 322, and the front end of the first locking portion 220 axially abuts against the rear end face of the cylindrical rear end portion 322 of the signal terminal 32.

[0060] like Figure 1-3 and Figure 8-11As shown in the illustrated embodiment, the signal terminal 32 further includes a first cylindrical body 320, on which a first locking spring 32d is formed. A first locking step 12d is formed in the first mounting hole 12, and the first locking spring 32d abuts against the first locking step 12d to lock the signal terminal 32 in the first mounting hole 12.

[0061] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, a first seal 42 is injection molded onto the first cylindrical body 320 of the signal terminal 32. The front and rear parts of the first mounting hole 12 are sealed and isolated by the first seal 42, so that moisture entering from the first front port 12b of the first mounting hole 12 cannot enter the rear part of the first mounting hole 12.

[0062] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, a through hole is formed on the peripheral wall of the first cylindrical body 320. The first sealing member 42 includes an outer sealing portion located outside the first cylindrical body 320 and an inner sealing portion entering the inner cavity of the first cylindrical body 320 through the through hole. The inner sealing portion of the first sealing member 42 seals the inner cavity of the first cylindrical body 320 to prevent moisture from entering the rear part of the first mounting hole 12 through the inner cavity of the first cylindrical body 320. The outer sealing portion of the first sealing member 42 is pressed between the inner wall surface of the first mounting hole 12 and the first cylindrical body 320 to achieve a seal between the two.

[0063] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, a first through hole 22e is formed on the first end wall 222 of the first end cap 22, allowing the signal cable 52 to pass through. The signal terminal 32 also has a crimping portion 321 for crimping onto one end of the signal cable 52. The crimping portion 321 and the cylindrical rear end portion 322 of the signal terminal 32 are located in the rear of the first mounting hole 12, and the crimping portion 321 connects the first cylindrical body 320 and the cylindrical rear end portion 322.

[0064] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, a first positioning step 12c is formed inside the first front port 12b of the first mounting hole 12, and the front end face of the signal terminal 32 axially abuts against the first positioning step 12c to axially position the signal terminal 32.

[0065] like Figure 1-3 and Figure 8-11As shown, in the illustrated embodiment, the housing 1 has a first post 120 protruding from its front side, a first mounting hole 12 penetrating the first post 120, and the first post 120 is adapted to be inserted into a first socket on a charging gun (not shown).

[0066] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, the charging dock includes multiple signal terminals 32 and multiple signal cables 52. Multiple first mounting holes 12 are formed in the housing 1. The multiple signal terminals 32 are respectively inserted into the multiple first mounting holes 12. One end of the multiple signal cables 52 extends into the multiple first mounting holes 12 and is electrically connected to the multiple signal terminals 32 respectively.

[0067] like Figure 1-3 and Figure 8-11 As shown in the illustrated embodiment, the charging dock includes a plurality of first end caps 22, which are respectively mounted on the first rear port 12a of a plurality of first mounting holes 12 to lock a plurality of signal terminals 32 in the plurality of first mounting holes 12.

[0068] Figure 4 A perspective view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein the charging terminal 31 and the second end cap 21 have not yet been installed onto the housing 1 of the charging dock; Figure 5 This shows an axial cross-sectional view of a charging dock according to an exemplary embodiment of the present invention, wherein the charging terminal 31 and the second end cap 21 have not yet been installed onto the housing 1 of the charging dock; Figure 6 An axial sectional view of a charging dock according to an exemplary embodiment of the present invention is shown, wherein a charging terminal 31 and a second end cap 21 are shown; Figure 7 This shows an axial sectional view of a charging dock according to an exemplary embodiment of the present invention, wherein the second end cap 21 has not yet been installed onto the housing 1 of the charging dock.

[0069] like Figures 1 to 11 As shown in the illustrated embodiment, a second mounting hole 11 is further formed in the housing 1, the second mounting hole 11 having a second front port 11b and a second rear port 11a opposite to each other in its axial direction. The charging base also includes a charging terminal 31 and a charging cable (not shown). The charging terminal 31 is inserted into the second mounting hole 11 of the housing 1 through the second rear port 11a. One end of the charging cable extends into the second rear port 11a of the second mounting hole 11 and is electrically connected to the charging terminal 31. The charging terminal 31 is adapted to mate with the mating charging terminal of a charging gun inserted from the second front port 11b of the second mounting hole 11.

[0070] like Figures 1 to 11As shown in the illustrated embodiment, the charging dock further includes a second end cap 21, which is mounted onto the second rear port 11a of the second mounting hole 11. The second end cap 21 includes a second locking part 210, which is inserted into the second rear port 11a and abuts against the charging terminal 31 to lock the charging terminal 31 in the second mounting hole 11.

[0071] like Figures 1 to 11 As shown in the illustrated embodiment, the second end cap 21 further includes a second peripheral wall 211 and a second end wall 212. The second end wall 212 is connected to the second peripheral wall 211. The second rear port 11a has an outer peripheral wall protruding from the rear side of the housing 1, and the second peripheral wall 211 is fitted and locked onto the outer peripheral wall of the second rear port 11a.

[0072] like Figures 1 to 11 As shown in the illustrated embodiment, a plurality of second protrusions 11f are formed on the outer peripheral wall of the second rear port 11a, and the plurality of second protrusions 11f are spaced apart in the circumferential direction of the second rear port 11a. A plurality of second slots 21f are formed on the second peripheral wall 211 of the second end cover 21, and the plurality of second protrusions 11f are respectively engaged into the plurality of second slots 21f to fix the second end cover 21 to the outer peripheral wall of the second rear port 11a.

[0073] like Figures 1 to 11 As shown in the illustrated embodiment, the second locking portion 210 of the second end cap 21 is semi-cylindrical, and its rear end is connected to the inner side of the second end wall 212 of the second end cap 21. The charging terminal 31 has a second cylindrical body 310, and the front end of the second locking portion 210 axially abuts against the rear end face of the second cylindrical body 310 of the charging terminal 31.

[0074] like Figures 1 to 11 As shown in the illustrated embodiment, a second locking step 11d is formed in the second mounting hole 11, and a second locking spring 31d is formed on the second cylindrical body 310 of the charging terminal 31. The second locking spring 31d abuts against the second locking step 11d to lock the charging terminal 31 in the second mounting hole 11.

[0075] like Figures 1 to 11 As shown in the illustrated embodiment, a second seal 41 is injection molded onto the second cylindrical body 310 of the charging terminal 31. The second seal 41 is located near the rear end of the second cylindrical body 310 and is used to seal the second mounting hole 11. The front and rear portions of the second mounting hole 11 are sealed and isolated by the second seal 41, preventing moisture entering from the second front port 11b of the second mounting hole 11 from entering the rear portion of the second mounting hole 11.

[0076] like Figures 1 to 11As shown in the illustrated embodiment, a through hole is formed on the peripheral wall of the rear end portion of the second cylindrical body 310. The second sealing member 41 includes an outer sealing portion located outside the second cylindrical body 310 and an inner sealing portion entering the inner cavity of the second cylindrical body 310 through the through hole. The inner sealing portion of the second sealing member 41 seals the inner cavity of the second cylindrical body 310 to prevent moisture from entering the rear portion of the second mounting hole 11 through the inner cavity of the second cylindrical body 310. The outer sealing portion of the second sealing member 41 is pressed between the inner wall surface of the second mounting hole 11 and the second cylindrical body 310 to achieve a seal between the two.

[0077] like Figures 1 to 11 As shown in the illustrated embodiment, a second through hole 21e is formed on the second end wall 212 of the second end cap 21 to allow the charging cable to pass through. The charging terminal 31 also has a welding end 311 for soldering to one end of the charging cable. The welding end 311 of the charging terminal 31 is flat and located in the rear of the second mounting hole 11.

[0078] like Figures 1 to 11 As shown in the illustrated embodiment, a second positioning step 11c is formed inside the second front port 11b of the second mounting hole 11. The front end face of the charging terminal 31 axially abuts against the second positioning step 11c to position the charging terminal 31 axially.

[0079] like Figures 1 to 11 As shown in the illustrated embodiment, the housing 1 has a second column 110 protruding from its front side, and a second mounting hole 11 passes through the second column 110. The second column 110 is adapted to be inserted into a second socket on the charging gun.

[0080] like Figures 1 to 11 As shown in the illustrated embodiment, the charging dock includes multiple charging terminals 31 and multiple charging cables. Multiple second mounting holes 11 are formed in the housing 1. The multiple charging terminals 31 are respectively inserted into the multiple second mounting holes 11, and one end of each of the multiple charging cables extends into the second mounting hole 11 and is electrically connected to the multiple charging terminals 31 respectively. For example, the charging dock can be an AC charging dock, which includes three charging terminals 31 for electrically connecting to the live wire, neutral wire, and ground wire respectively.

[0081] like Figures 1 to 11 As shown in the illustrated embodiment, the charging dock includes a plurality of second end caps 21, which are respectively mounted on the second rear port 11a of a plurality of second mounting holes 11 to lock the plurality of charging terminals 31 in the plurality of second mounting holes 11.

[0082] like Figures 1 to 11 As shown in the illustrated embodiment, the housing 1 is a one-piece molded part.

[0083] like Figures 1 to 11 As shown in the illustrated embodiment, the housing 1, the second end cap 21, and the first end cap 22 are all integrally molded injection molded parts.

[0084] like Figures 1 to 11 As shown, in another exemplary embodiment of the present invention, a charging dock is also disclosed. The charging dock includes: a housing 1, terminals 31 and 32, and end caps 21 and 22. The housing 1 has mounting holes 11 and 12. The mounting holes 11 and 12 have front ports 11b and 12b and rear ports 11a and 12a opposite to each other in their axial directions. Terminals 31 and 32 are inserted into the mounting holes 11 and 12 of the housing 1 from the rear ports 11a and 12a. End caps 21 and 22 are mounted onto the rear ports 11a and 12a of the mounting holes 11 and 12. End caps 21 and 22 include locking portions 210 and 220, which are inserted into the rear ports 11a and 12a and abut against the terminals 31 and 32 to lock the terminals 31 and 32 in the mounting holes 11 and 12.

[0085] 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 invention.

[0086] Although the invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to illustrate preferred embodiments of the invention and should not be construed as limiting the invention.

[0087] While some embodiments of the general concept of the invention 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 the invention, the scope of which is defined by the claims and their equivalents.

[0088] 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 the invention.

Claims

1. A charging stand, characterized in that, include: The housing (1) has a first mounting hole (12) having a first front port (12b) and a first rear port (12a) opposite each other in its axial direction; The signal terminal (32) is inserted from the first rear port (12a) of the first mounting hole (12) into the first mounting hole (12) of the housing (1); and A signal cable (52) has one end inserted into the first rear port (12a) of the first mounting hole (12) and electrically connected to the signal terminal (32). The signal terminal (32) is adapted to mate with the mating signal terminal of a charging gun inserted from the first front port (12b) of the first mounting hole (12).

2. The charging stand according to claim 1, characterized in that, Also includes: The first end cap (22) is installed onto the first rear port (12a) of the first mounting hole (12). The first end cap (22) includes a first locking part (220), which is inserted into the first rear port (12a) and abuts against the signal terminal (32) to lock the signal terminal (32) in the first mounting hole (12).

3. The charging dock according to claim 2, characterized in that: The first end cap (22) also includes: First wall (221); and The first end wall (222) is connected to the first peripheral wall (221). The first rear port (12a) has an outer peripheral wall protruding from the rear side of the housing (1), and the first peripheral wall (221) of the first end cap (22) is fitted and locked onto the outer peripheral wall of the first rear port (12a).

4. The charging dock according to claim 3, characterized in that: A plurality of first protrusions (12f) are formed on the outer peripheral wall of the first rear port (12a), and the plurality of first protrusions (12f) are distributed at intervals in the circumferential direction of the first rear port (12a); A plurality of first slots (22f) are formed on the first peripheral wall (221) of the first end cap (22), and the plurality of first protrusions (12f) are respectively engaged in the plurality of first slots (22f) to fix the first end cap (22) to the outer peripheral wall of the first rear port (12a).

5. The charging dock according to claim 3, characterized in that: The first locking part (220) of the first end cap (22) is cylindrical and its rear end is connected to the inner side of the first end wall (222) of the first end cap (22); The signal terminal (32) has a cylindrical rear end (322), and the front end of the first locking part (220) axially abuts against the rear end face of the cylindrical rear end (322) of the signal terminal (32).

6. The charging dock according to claim 5, characterized in that: The signal terminal (32) also has a first cylindrical body (320), on which a first locking spring (32d) is formed; A first locking step (12d) is formed in the first mounting hole (12), and the first locking spring (32d) abuts against the first locking step (12d) to lock the signal terminal (32) in the first mounting hole (12).

7. The charging dock according to claim 6, characterized in that: A first seal (42) is injection molded onto the first cylindrical body (320) of the signal terminal (32). The front and rear parts of the first mounting hole (12) are sealed and isolated by the first seal (42) so that moisture entering from the first front port (12b) of the first mounting hole (12) cannot enter the rear part of the first mounting hole (12).

8. The charging dock according to claim 7, characterized in that: A through hole is formed on the peripheral wall of the first cylindrical body (320), and the first sealing member (42) includes an outer sealing part located outside the first cylindrical body (320) and an inner sealing part entering the inner cavity of the first cylindrical body (320) through the through hole; The inner sealing portion of the first sealing member (42) seals the inner cavity of the first cylindrical body (320) to prevent water vapor from entering the rear part of the first mounting hole (12) through the inner cavity of the first cylindrical body (320); The outer sealing portion of the first seal (42) is pressed between the inner wall surface of the first mounting hole (12) and the first cylindrical body (320) to achieve a seal between the two.

9. The charging dock according to claim 7, characterized in that: A first through hole (22e) is formed on the first end wall (222) of the first end cap (22) to allow the signal cable (52) to pass through, and the signal terminal (32) also has a crimping portion (321) for crimping to one end of the signal cable (52); The crimping portion (321) and the cylindrical rear end portion (322) of the signal terminal (32) are located in the rear part of the first mounting hole (12), and the crimping portion (321) is connected between the first cylindrical body (320) and the cylindrical rear end portion (322).

10. The charging dock according to claim 1, characterized in that: A first positioning step (12c) is formed inside the first front port (12b) of the first mounting hole (12), and the front end face of the signal terminal (32) abuts against the first positioning step (12c) in an axial direction to position the signal terminal (32).

11. The charging dock according to claim 1, characterized in that: The housing (1) has a first post (120) protruding from its front side, the first mounting hole (12) passing through the first post (120), and the first post (120) being adapted to be inserted into a first socket on the charging gun.

12. The charging dock according to claim 2, characterized in that: The charging dock includes multiple signal terminals (32) and multiple signal cables (52). Multiple first mounting holes (12) are formed in the housing (1). The multiple signal terminals (32) are respectively inserted into the multiple first mounting holes (12). One end of each of the multiple signal cables (52) extends into the multiple first mounting holes (12) and is electrically connected to the multiple signal terminals (32).

13. The charging stand according to claim 12, characterized in that: The charging dock includes a plurality of first end caps (22), which are respectively mounted on the first rear port (12a) of the plurality of first mounting holes (12) to lock the plurality of signal terminals (32) in the plurality of first mounting holes (12).

14. The charging dock according to any one of claims 1-13, characterized in that: A second mounting hole (11) is also formed in the housing (1), the second mounting hole (11) having a second front port (11b) and a second rear port (11a) opposite each other in its axial direction; The charging dock also includes: The charging terminal (31) is inserted from the second rear port (11a) of the second mounting hole (11) into the second mounting hole (11) of the housing (1); and A charging cable, one end of which extends into the second rear port (11a) of the second mounting hole (11) and is electrically connected to the charging terminal (31), The charging terminal (31) is adapted to mate with the matching charging terminal of the charging gun inserted from the second front port (11b) of the second mounting hole (11).

15. The charging stand according to claim 14, characterized in that, Also includes: The second end cap (21) is installed onto the second rear port (11a) of the second mounting hole (11). The second end cap (21) includes a second locking part (210), which is inserted into the second rear port (11a) and abuts against the charging terminal (31) to lock the charging terminal (31) in the second mounting hole (11).

16. The charging dock according to claim 15, characterized in that: The second end cap (21) also includes: The second wall (211); and The second end wall (212) is connected to the second peripheral wall (211). The second rear port (11a) has an outer peripheral wall protruding from the rear side of the housing (1), and the second peripheral wall (211) is fitted and locked onto the outer peripheral wall of the second rear port (11a).

17. The charging stand according to claim 16, characterized in that: A plurality of second protrusions (11f) are formed on the outer peripheral wall of the second rear port (11a), and the plurality of second protrusions (11f) are distributed at intervals in the circumferential direction of the second rear port (11a); A plurality of second slots (21f) are formed on the second peripheral wall (211) of the second end cap (21), and the plurality of second protrusions (11f) are respectively engaged in the plurality of second slots (21f) to fix the second end cap (21) to the outer peripheral wall of the second rear port (11a).

18. The charging dock according to claim 16, characterized in that: The second locking part (210) of the second end cap (21) is semi-cylindrical and its rear end is connected to the inner side of the second end wall (212) of the second end cap (21); The charging terminal (31) has a second cylindrical body (310), and the front end of the second locking part (210) abuts axially against the rear end surface of the second cylindrical body (310) of the charging terminal (31).

19. The charging dock according to claim 18, characterized in that: A second locking step (11d) is formed in the second mounting hole (11), and a second locking spring (31d) is formed on the second cylindrical body (310) of the charging terminal (31). The second locking spring (31d) abuts against the second locking step (11d) to lock the charging terminal (31) in the second mounting hole (11).

20. The charging stand according to claim 18, characterized in that: A second sealing element (41) is injection molded on the second cylindrical body (310) of the charging terminal (31). The second sealing element (41) is located near the rear end of the second cylindrical body (310) and is used to seal the second mounting hole (11). The front and rear portions of the second mounting hole (11) are sealed and isolated by the second seal (41), so that moisture entering from the second front port (11b) of the second mounting hole (11) cannot enter the rear portion of the second mounting hole (11).

21. The charging stand according to claim 20, characterized in that: A through hole is formed on the peripheral wall of the rear end portion of the second cylindrical body (310), and the second sealing member (41) includes an outer sealing portion located outside the second cylindrical body (310) and an inner sealing portion entering the inner cavity of the second cylindrical body (310) through the through hole; The inner sealing portion of the second sealing member (41) blocks the inner cavity of the second cylindrical body (310) to prevent water vapor from entering the rear part of the second mounting hole (11) through the inner cavity of the second cylindrical body (310); The outer sealing portion of the second seal (41) is pressed between the inner wall surface of the second mounting hole (11) and the second cylindrical body (310) to achieve a seal between the two.

22. The charging stand according to claim 20, characterized in that: A second through hole (21e) is formed on the second end wall (212) of the second end cap (21) to allow the charging cable to pass through. The charging terminal (31) also has a welding end (311) for welding to one end of the charging cable. The welding end (311) of the charging terminal (31) is flat and located in the rear of the second mounting hole (11).

23. The charging stand according to claim 14, characterized in that: A second positioning step (11c) is formed inside the second front port (11b) of the second mounting hole (11), and the front end face of the charging terminal (31) abuts against the second positioning step (11c) in an axial direction to position the charging terminal (31).

24. The charging dock according to claim 1, characterized in that: The housing (1) has a second column (110) protruding from its front side, and the second mounting hole (11) passes through the second column (110). The second column (110) is adapted to be inserted into the second socket on the charging gun.

25. The charging dock according to claim 14, characterized in that: The charging dock includes multiple charging terminals (31) and multiple charging cables. Multiple second mounting holes (11) are formed in the housing (1). The multiple charging terminals (31) are respectively inserted into the multiple second mounting holes (11). One end of each of the multiple charging cables extends into the second mounting hole (11) and is electrically connected to the multiple charging terminals (31).

26. The charging stand according to claim 25, characterized in that: The charging dock includes a plurality of second end caps (21), which are respectively mounted on the second rear port (11a) of the plurality of second mounting holes (11) to lock the plurality of charging terminals (31) in the plurality of second mounting holes (11).

27. The charging dock according to claim 1, characterized in that: The shell (1) is a one-piece molded part.

28. The charging dock according to claim 15, characterized in that: The housing (1), the second end cap (21), and the first end cap (22) are all integrally molded injection molded parts.

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