Electric connection module and charging seat
By using snap and positioning features on the electrical connection module of the charging base, the complex structure and inconvenient assembly of the charging base are solved, and a stable and sealed plug-in effect is achieved.
Patent Information
- Application Number
- CN202411709604.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-26
- Publication Date
- 2024-12-27
AI Technical Summary
The existing charging base has a complex structure and is inconvenient to assemble, especially because the locking shrapnel cannot withstand large tension, resulting in the problem of unstable terminal fixation.
An electrical connection module is designed with snap and positioning features, allowing it to reliably lock into the mounting hole of the mounting base, preventing pulling, and sealing through a sealing ring. The module includes a housing, terminals, sealing rings and temperature sensors, and a slot or elastic arm is formed on the housing to engage with the elastic arm or slot of the mounting seat to ensure stable insertion.
The structure of the charging base is simplified, the assembly operation is facilitated, and the stability and sealing of the electrical connection module are ensured through snap features and positioning features, avoiding structural complexity and assembly difficulties.
Smart Images

Figure CN119209061A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to an electrical connection module for being detachably inserted into a mounting seat of a charging seat and a charging seat comprising the electrical connection module. Background Art
[0002] In the prior art, a charging base generally includes a mounting base, a plurality of terminals, a plurality of cables, a seal, and a rear end cover. A plurality of terminal jacks are formed in the mounting base, a plurality of terminals are respectively inserted into the plurality of terminal jacks, and a plurality of cables are respectively connected to the plurality of terminals and pass through the seal and the rear end cover. The seal is installed in the rear port of the mounting base to achieve sealing between the cables and the mounting base. The rear end cover is snapped onto the rear end of the mounting base.
[0003] In the prior art, in order to reliably lock the terminal in the terminal jack of the mounting seat, a locking spring (primary lock) for engaging with the mounting seat needs to be formed on the terminal. However, since the locking spring cannot withstand a large pulling force, it is sometimes necessary to use a screw or a locking member (secondary lock) to fix the terminal to the mounting seat. Therefore, in the prior art, the charging seat has the problems of complex structure and inconvenient assembly. Summary of the invention
[0004] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.
[0005] According to one aspect of the present invention, an electrical connection module is provided. The electrical connection module is suitable for being detachably inserted into a mounting hole on a mounting seat of a charging seat. The electrical connection module comprises: a housing formed with a terminal insertion hole; and a terminal inserted into the terminal insertion hole of the housing. A snap feature suitable for engaging with the mounting seat is formed on the housing, so that the electrical connection module can be locked into the mounting hole of the mounting seat by the snap feature to prevent the electrical connection module from being pulled out of the mounting hole of the mounting seat.
[0006] According to an exemplary embodiment of the present invention, the snap-fit feature includes a plurality of snap-fit grooves formed on the outer side of the shell, the plurality of snap-fit grooves are spaced apart in the circumferential direction of the shell, and the plurality of snap-fit grooves are suitable for respectively engaging with a plurality of elastic arms in the mounting holes of the mounting seat.
[0007] According to another exemplary embodiment of the present invention, the snap-fit feature includes a plurality of elastic arms formed on the outer side of the shell, the plurality of elastic arms are spaced apart in the circumferential direction of the shell, and the plurality of elastic arms are suitable for respectively engaging with a plurality of slots in the mounting hole of the mounting seat.
[0008] According to another exemplary embodiment of the present invention, a positioning feature suitable for engaging with the mounting seat is formed on the shell, so that the electrical connection module can be positioned in the mounting hole of the mounting seat through the positioning feature to prevent the electrical connection module from rotating relative to the mounting seat.
[0009] According to another exemplary embodiment of the present invention, the positioning feature includes at least one guide rib formed on the outer side of the shell, and the at least one guide rib extends along the axial direction of the shell and is suitable for respectively engaging with at least one guide groove in the mounting seat, so as to guide the electrical connection module to be inserted into the mounting seat along the axial direction of the mounting hole and to position the electrical connection module in the circumferential direction of the mounting hole.
[0010] According to another exemplary embodiment of the present invention, the positioning feature includes at least one guide groove formed on the outer side of the shell, and the at least one guide groove extends along the axial direction of the shell and is suitable for respectively engaging with at least one guide rib in the mounting seat, so as to guide the electrical connection module to be inserted into the mounting seat along the axial direction of the mounting hole and to position the electrical connection module in the circumferential direction of the mounting hole.
[0011] According to another exemplary embodiment of the present invention, the electrical connection module further comprises: a sealing ring, which is sleeved on the housing and is adapted to be radially compressed between the housing and the inner circumferential surface of the mounting hole of the mounting seat to achieve sealing therebetween.
[0012] According to another exemplary embodiment of the present invention, a circle of sealing ring installation grooves is formed on the outer side of the housing, and the sealing ring is positioned and installed in the sealing ring installation grooves.
[0013] According to another exemplary embodiment of the present invention, the snap features and the positioning features on the shell are staggered from each other in the circumferential direction of the shell and spaced a predetermined distance from each other in the axial direction of the shell, and the sealing ring mounting groove on the shell is located between the snap features and the positioning features.
[0014] According to another exemplary embodiment of the present invention, the terminal is a power terminal of the charging stand or a ground protection terminal of the charging stand.
[0015] According to another exemplary embodiment of the present invention, the terminal includes a terminal body having a cylindrical portion and a welding portion connected to a rear end of the cylindrical portion, the welding portion being used for welding to a cable to be electrically connected to the cable.
[0016] According to another exemplary embodiment of the present invention, the electrical connection module also includes: a cable, one end of which extends into the shell and is welded to the welding part of the terminal; and a temperature sensor, which is arranged in the shell and in thermal contact with the welding part of the terminal, for detecting the temperature of the terminal.
[0017] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a heat shrink tube, which is sleeved and heat-shrunk on one end of the cable, the welding portion of the terminal and the main body of the temperature sensor to fix the temperature sensor to the welding portion of the terminal.
[0018] According to another exemplary embodiment of the present invention, the welding portion of the terminal is flat and has two opposite sides in its thickness direction, one end of the cable is welded to one side of the welding portion of the terminal, and the main body of the temperature sensor is fixed to the other side of the welding portion of the terminal.
[0019] According to another exemplary embodiment of the present invention, the electrical connection module further includes: a sealant, which is injection molded onto the cylindrical portion of the terminal and enters into the inner cavity of the cylindrical portion through an opening on the cylindrical portion, and the sealant is used to seal the inner cavity of the cylindrical portion of the terminal and the mounting hole on the mounting seat.
[0020] According to another exemplary embodiment of the present invention, the electrical connection module further comprises: an elastic member inserted into the front portion of the cylindrical portion of the terminal to make electrical contact with the inserted mating terminal, and the terminal body and the elastic member are respectively integrally stamped parts.
[0021] According to another exemplary embodiment of the present invention, the electrical connection module further comprises: a rear end cap inserted into the rear port of the housing; a sealing plug disposed in the rear end cap; and a sealing ring installed in a mounting groove on the outer side of the rear end cap. The lead wires of the cable and the temperature sensor pass through the sealing plug and the rear end cap and are led out from the rear port of the housing, the sealing plug is used to achieve sealing between the cable and the rear end cap and between the lead wire and the rear end cap, and the sealing ring is used to achieve sealing between the rear end cap and the housing.
[0022] According to another exemplary embodiment of the present invention, a plurality of elastic buckles are formed on the peripheral wall at the rear end of the rear end cap, and a plurality of slot holes are formed on the peripheral wall of the rear port of the shell, and the plurality of elastic buckles are respectively engaged in the plurality of slot holes to lock the rear end cap in the shell.
[0023] According to another aspect of the present invention, a charging base is provided. The charging base comprises: a mounting base formed with a mounting hole; and the aforementioned electrical connection module, which is inserted into the mounting hole of the mounting base. The mounting base has a matching snap feature formed in the mounting hole, and the matching snap feature is engaged with the snap feature on the housing of the electrical connection module to lock the electrical connection module in the mounting hole.
[0024] According to an exemplary embodiment of the present invention, the matching snap-fit feature includes a plurality of elastic arms formed on a peripheral wall of the mounting hole, the plurality of elastic arms are spaced apart in a circumferential direction of the mounting hole and respectively engage with a plurality of slots on the housing.
[0025] According to another exemplary embodiment of the present invention, the matching snap-fit feature includes a plurality of snap-fit grooves formed on a peripheral wall of the mounting hole, the plurality of snap-fit grooves are spaced apart in a circumferential direction of the mounting hole and respectively engage with a plurality of elastic arms on the housing.
[0026] According to another exemplary embodiment of the present invention, a matching positioning feature is formed in the mounting seat, and the matching positioning feature is engaged with a positioning feature on the housing to position the electrical connection module in a circumferential direction of the mounting hole.
[0027] According to another exemplary embodiment of the present invention, the matching positioning feature includes at least one guide groove formed on the inner circumferential surface of the mounting hole, the at least one guide groove extends along the axial direction of the mounting hole and is respectively engaged with at least one guide rib on the housing.
[0028] According to another exemplary embodiment of the present invention, the matching positioning feature includes at least one guide rib formed on the inner circumferential surface of the mounting hole, the at least one guide rib extending along the axial direction of the mounting hole and respectively engaging with at least one guide groove on the housing.
[0029] According to another exemplary embodiment of the present invention, a plurality of mounting holes are formed in the mounting base, and the charging base includes a plurality of electrical connection modules respectively inserted into the plurality of mounting holes.
[0030] According to another exemplary embodiment of the present invention, the mounting seat has a flange portion, on which a connection hole is formed for allowing a threaded connector to pass through, so that the flange portion can be fastened to the mounting panel by the threaded connector passing through the connection hole.
[0031] According to another exemplary embodiment of the present invention, the mounting seat is an integral injection molded part.
[0032] In the above exemplary embodiments of the present invention, the electrical connection module can be conveniently inserted into the mounting hole of the mounting base and can be reliably locked in the mounting hole of the mounting base through the snap feature thereon. The present invention simplifies the structure of the charging base, making the assembly operation of the charging base more convenient.
[0033] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0034] Figure 1 A perspective schematic diagram showing a charging stand according to an exemplary embodiment of the present invention; Figure 2 An exploded schematic diagram showing a charging stand according to an exemplary embodiment of the present invention; Figure 3 An exploded cross-sectional view showing a charging stand according to an exemplary embodiment of the present invention; Figure 4 An assembled cross-sectional view showing a charging stand according to an exemplary embodiment of the present invention; Figure 5 A perspective schematic diagram showing an electrical connection module of a charging stand according to an exemplary embodiment of the present invention; Figure 6 An exploded schematic diagram showing an electrical connection module according to an exemplary embodiment of the present invention; Figure 7 A schematic diagram showing an assembly of an electrical connection module according to an exemplary embodiment of the present invention; Figure 8 A plan cross-sectional view showing an electrical connection module according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION
[0035] The technical solution of the present invention is further specifically described below by examples and in conjunction with the accompanying drawings. In the 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 of the present invention.
[0036] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.
[0037] According to an overall technical concept of the present invention, an electrical connection module is provided. The electrical connection module is suitable for being detachably inserted into a mounting hole on a mounting seat of a charging seat. The electrical connection module comprises: a housing formed with a terminal jack; and a terminal inserted into the terminal jack of the housing. A snap feature suitable for engaging with the mounting seat is formed on the housing, so that the electrical connection module can be locked into the mounting hole of the mounting seat by the snap feature to prevent the electrical connection module from being pulled out of the mounting hole of the mounting seat.
[0038] According to another general technical concept of the present invention, a charging base is provided. The charging base comprises: a mounting base formed with a mounting hole; and the aforementioned electrical connection module, which is inserted into the mounting hole of the mounting base. The mounting base has a matching buckle feature formed in the mounting hole, and the matching buckle feature is engaged with the buckle feature on the housing of the electrical connection module to lock the electrical connection module in the mounting hole.
[0039] Figure 1 A perspective schematic diagram showing a charging stand according to an exemplary embodiment of the present invention; Figure 2 An exploded schematic diagram showing a charging stand according to an exemplary embodiment of the present invention; Figure 3 An exploded cross-sectional view showing a charging stand according to an exemplary embodiment of the present invention; Figure 4 An assembled cross-sectional view showing a charging stand according to an exemplary embodiment of the present invention; Figure 5 A perspective schematic diagram showing an electrical connection module 100 of a charging stand according to an exemplary embodiment of the present invention; Figure 6 An exploded schematic diagram showing an electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 7 A schematic diagram showing an assembly of an electrical connection module 100 according to an exemplary embodiment of the present invention; Figure 8 A plan cross-sectional view of an electrical connection module 100 according to an exemplary embodiment of the present invention is shown.
[0040] like Figures 1 to 8 As shown, in an exemplary embodiment of the present invention, an electrical connection module 100 is disclosed. The electrical connection module 100 is suitable for being detachably inserted into a mounting hole 201 on a mounting seat 200 of a charging seat. The electrical connection module 100 includes: a housing 1 and a terminal 4. A terminal insertion hole 101 is formed in the housing 1. The terminal 4 is inserted into the terminal insertion hole 101 of the housing 1. A snap feature suitable for engaging with the mounting seat 200 is formed on the housing 1, so that the electrical connection module 100 can be locked into the mounting hole 201 of the mounting seat 200 by the snap feature to prevent the electrical connection module 100 from being pulled out of the mounting hole 201 of the mounting seat 200.
[0041] like Figures 1 to 8 As shown, in the illustrated embodiment, the snap-fit feature on the shell 1 includes a plurality of snap-fit grooves 11 formed on the outer side of the shell 1, the plurality of snap-fit grooves 11 are spaced apart in the circumferential direction of the shell 1, and the plurality of snap-fit grooves 11 are suitable for respectively engaging with a plurality of elastic arms 21 in the mounting holes 201 of the mounting seat 200.
[0042] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the snap-fit feature on the shell 1 may include a plurality of elastic arms formed on the outer side of the shell 1, the plurality of elastic arms being spaced apart in the circumferential direction of the shell 1, and the plurality of elastic arms being suitable for respectively engaging with a plurality of slots in the mounting hole 201 of the mounting base 200.
[0043] like Figures 1 to 8 As shown, in the illustrated embodiment, a positioning feature suitable for engaging with the mounting base 200 is formed on the housing 1, so that the electrical connection module 100 can be positioned in the mounting hole 201 of the mounting base 200 through the positioning feature to prevent the electrical connection module 100 from rotating relative to the mounting base 200.
[0044] like Figures 1 to 8 As shown, in the illustrated embodiment, the positioning feature on the shell 1 includes at least one guide rib 12 formed on the outer side of the shell 1, and the at least one guide rib 12 extends along the axial direction of the shell 1 and is suitable for respectively engaging with at least one guide groove 22 in the mounting seat 200, for guiding the electrical connection module 100 to be inserted into the mounting seat 200 along the axial direction of the mounting hole 201 and positioning the electrical connection module 100 in the circumferential direction of the mounting hole 201.
[0045] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the positioning feature on the shell 1 may include at least one guide groove formed on the outer side of the shell 1, and the at least one guide groove extends along the axial direction of the shell 1 and is suitable for respectively engaging with at least one guide rib in the mounting seat 200, for guiding the electrical connection module 100 to be inserted into the mounting seat 200 along the axial direction of the mounting hole 201 and positioning the electrical connection module 100 in the circumferential direction of the mounting hole 201.
[0046] like Figures 1 to 8 As shown, in the illustrated embodiment, the electrical connection module 100 further includes a sealing ring 3. The sealing ring 3 is sleeved on the housing 1 and is adapted to be radially pressed between the housing 1 and the inner circumference of the mounting hole 201 of the mounting seat 200 to achieve sealing therebetween.
[0047] like Figures 1 to 8 As shown, in the illustrated embodiment, a circle of sealing ring installation grooves 13 is formed on the outer side of the housing 1 , and the sealing ring 3 is positioned and installed in the sealing ring installation groove 13 .
[0048] like Figures 1 to 8 As shown, in the illustrated embodiment, the snap-fit features and the positioning features on the housing 1 are staggered from each other in the circumferential direction of the housing 1 and are spaced a predetermined distance apart from each other in the axial direction of the housing 1, and the sealing ring mounting groove 13 on the housing 1 is located between the snap-fit features and the positioning features.
[0049] like Figures 1 to 8 As shown, in the illustrated embodiment, terminal 4 may be a power terminal of the charging base or a ground protection terminal of the charging base.
[0050] like Figures 1 to 8 As shown, in the illustrated embodiment, the terminal 4 includes a terminal body 40 having a cylindrical portion 41 and a welding portion 42 connected to the rear end of the cylindrical portion 41 , and the welding portion 42 is used to be welded to the cable 5 to be electrically connected to the cable 5 .
[0051] like Figures 1 to 8 As shown, in the illustrated embodiment, the electrical connection module 100 further includes a cable 5 and a temperature sensor 6. One end 50 of the cable 5 extends into the housing 1 and is welded to the welding portion 42 of the terminal 4. The temperature sensor 6 is disposed in the housing 1 and in thermal contact with the welding portion 42 of the terminal 4, and is used to detect the temperature of the terminal 4.
[0052] like Figures 1 to 8 As shown, in the illustrated embodiment, the electrical connection module 100 further includes a heat shrink tube 7. The heat shrink tube 7 is sleeved and heat-shrunk on one end 50 of the cable 5, the soldering portion 42 of the terminal 4, and the main body 60 of the temperature sensor 6, so as to fix the temperature sensor 6 to the soldering portion 42 of the terminal 4 and ensure that the temperature sensor 6 is in reliable thermal contact with the soldering portion 42 of the terminal 4.
[0053] like Figures 1 to 8 As shown, in the illustrated embodiment, the welding portion 42 of the terminal 4 is flat and has two opposite sides in its thickness direction, one end 50 of the cable 5 is welded to one side of the welding portion 42 of the terminal 4, and the main body 60 of the temperature sensor 6 is fixed to the other side of the welding portion 42 of the terminal 4.
[0054] like Figures 1 to 8 As shown, in the illustrated embodiment, the electrical connection module 100 further includes a seal 44. The seal 44 is injection molded onto the cylindrical portion 41 of the terminal 4 and enters into the inner cavity of the cylindrical portion 41 through the opening on the cylindrical portion 41. The seal 44 is used to seal the inner cavity of the cylindrical portion 41 of the terminal 4 and the mounting hole 201 on the mounting seat 200.
[0055] like Figures 1 to 8As shown, in the illustrated embodiment, the electrical connection module 100 further includes an elastic member 43, which is inserted into the front portion of the cylindrical portion 41 of the terminal 4 to electrically contact the inserted mating terminal (not shown). The terminal body 40 and the elastic member 43 are respectively integrally stamped parts.
[0056] like Figures 1 to 8 As shown, in the illustrated embodiment, the electrical connection module 100 further includes: a rear end cap 9, a sealing plug 8 and a sealing ring 91. The rear end cap 9 is inserted into the rear port 102 of the housing 1. The sealing plug 8 is arranged in the rear end cap 9. The sealing ring 91 is installed in the mounting groove on the outer side of the rear end cap 9. The lead wire 61 of the cable 5 and the temperature sensor 6 passes through the sealing plug 8 and the rear end cap 9 and is led out from the rear port 102 of the housing 1. The sealing plug 8 is used to achieve the sealing between the cable 5 and the rear end cap 9 and the sealing between the lead wire 61 and the rear end cap 9, and the sealing ring 91 is used to achieve the sealing between the rear end cap 9 and the housing 1.
[0057] like Figures 1 to 8 As shown, in the illustrated embodiment, a plurality of elastic buckles 9a are formed on the peripheral wall of the rear end of the rear end cap 9, and a plurality of slots 1a are formed on the peripheral wall of the rear port 102 of the housing 1, and the plurality of elastic buckles 9a are respectively engaged in the plurality of slots 1a to lock the rear end cap 9 in the housing 1. When an outward pulling force is applied to the cable 5, the pulling force is transmitted to the rear end cap 9 and then to the housing 1 via the rear end cap 9, and finally to the mounting seat 200 via the housing 1.
[0058] like Figures 1 to 8 As shown, in another exemplary embodiment of the present invention, a charging base is also disclosed. The charging base includes: a mounting base 200 and the aforementioned electrical connection module 100. A mounting hole 201 is formed in the mounting base 200. The electrical connection module 100 is inserted into the mounting hole 201 of the mounting base 200. The mounting base 200 has a matching snap feature formed in the mounting hole 201, and the matching snap feature is engaged with the snap feature on the housing 1 of the electrical connection module 100 to lock the electrical connection module 100 in the mounting hole 201.
[0059] like Figures 1 to 8 As shown, in the illustrated embodiment, the matching snap-fit feature on the mounting seat 200 includes a plurality of elastic arms 21 formed on the peripheral wall of the mounting hole 201 , and the plurality of elastic arms 21 are spaced apart in the circumferential direction of the mounting hole 201 and respectively engage with a plurality of slots 11 on the housing 1 .
[0060] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the mating snap-fit features on the mounting base 200 may include a plurality of snap-fit grooves formed on the peripheral wall of the mounting hole 201, and the plurality of snap-fit grooves are spaced apart in the circumferential direction of the mounting hole 201 and are respectively engaged with a plurality of elastic arms on the shell 1.
[0061] like Figures 1 to 8 As shown, in the illustrated embodiment, a matching positioning feature is formed in the mounting seat 200 , and the matching positioning feature is engaged with a positioning feature on the housing 1 to position the electrical connection module 100 in the circumferential direction of the mounting hole 201 .
[0062] like Figures 1 to 8 As shown, in the illustrated embodiment, the matching positioning feature on the mounting seat 200 includes at least one guide groove 22 formed on the inner circumferential surface of the mounting hole 201, and the at least one guide groove 22 extends along the axial direction of the mounting hole 201 and is respectively engaged with at least one guide rib 12 on the shell 1.
[0063] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the matching positioning features on the mounting seat 200 may include at least one guide rib formed on the inner circumferential surface of the mounting hole 201, and the at least one guide rib extends along the axial direction of the mounting hole 201 and is respectively engaged with at least one guide groove on the shell 1.
[0064] like Figures 1 to 8 As shown, in the illustrated embodiment, a plurality of mounting holes 201 are formed in the mounting base 200 , and the charging base includes a plurality of electrical connection modules 100 which are respectively inserted into the plurality of mounting holes 201 .
[0065] like Figures 1 to 8 As shown, in the illustrated embodiment, the mounting base 200 has a flange portion 23, on which a connection hole 23a is formed for allowing a threaded connector (not shown, for example, a bolt) to pass through, so that the flange portion 23 can be fastened to a mounting panel (not shown, for example, a body sheet metal) by the threaded connector passing through the connection hole 23a.
[0066] like Figures 1 to 8 As shown, in the illustrated embodiment, the mounting base 200 is an integral injection molded part.
[0067] like Figures 1 to 8 As shown, in the illustrated embodiment, the charging seat is suitable for mating with a charging gun to charge the battery pack on the electric vehicle.
[0068] Those skilled in the art will appreciate that the embodiments described above are exemplary and may be improved upon by those skilled in the art. The structures described in the various embodiments may be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present invention.
[0069] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementations of the present invention and should not be construed as limiting the present invention.
[0070] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
[0071] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element reference signs in the claims shall not be construed as limiting the scope of the present invention.
Claims
1. An electrical connection module, adapted to be detachably inserted into a mounting hole (201) on a mounting seat (200) of a charging station, It is characterized in that The electrical connection module (100) comprises: A housing (1) formed with a terminal insertion hole (101); and The terminal (4) is inserted into the terminal insertion hole (101) of the housing (1). A snap feature suitable for engaging with the mounting seat (200) is formed on the housing (1), so that the electrical connection module (100) can be locked into the mounting hole (201) of the mounting seat (200) through the snap feature, thereby preventing the electrical connection module (100) from being pulled out of the mounting hole (201) of the mounting seat (200).
2. The electrical connection module according to claim 1, characterized in that: The snap-fit feature comprises a plurality of snap-fit grooves (11) formed on the outer side of the shell (1), the plurality of snap-fit grooves (11) being distributed at intervals in the circumferential direction of the shell (1), and the plurality of snap-fit grooves (11) being suitable for respectively engaging with a plurality of elastic arms (21) in the mounting hole (201) of the mounting seat (200).
3. The electrical connection module according to claim 1, characterized in that: The snap-fit feature comprises a plurality of elastic arms formed on the outer side of the shell (1), the plurality of elastic arms being distributed at intervals in the circumferential direction of the shell (1), and the plurality of elastic arms being suitable for respectively engaging with a plurality of slots in the mounting hole (201) of the mounting seat (200).
4. The electrical connection module according to claim 1, characterized in that: A positioning feature suitable for engaging with the mounting seat (200) is formed on the housing (1), so that the electrical connection module (100) can be positioned in the mounting hole (201) of the mounting seat (200) through the positioning feature to prevent the electrical connection module (100) from rotating relative to the mounting seat (200).
5. The electrical connection module according to claim 4, characterized in that: The positioning feature comprises at least one guide rib (12) formed on the outer side of the housing (1), the at least one guide rib (12) extending along the axial direction of the housing (1) and being adapted to respectively engage with at least one guide groove (22) in the mounting seat (200), for guiding the electrical connection module (100) to be inserted into the mounting seat (200) along the axial direction of the mounting hole (201) and for positioning the electrical connection module (100) in the circumferential direction of the mounting hole (201).
6. The electrical connection module according to claim 4, characterized in that: The positioning feature comprises at least one guide groove formed on the outer side of the shell (1), the at least one guide groove extending along the axial direction of the shell (1) and being adapted to respectively engage with at least one guide rib in the mounting seat (200), for guiding the electrical connection module (100) to be inserted into the mounting seat (200) along the axial direction of the mounting hole (201) and for positioning the electrical connection module (100) in the circumferential direction of the mounting hole (201).
7. The electrical connection module according to claim 4, characterized in that: Also includes: The sealing ring (3) is sleeved on the housing (1) and is suitable for being radially pressed between the housing (1) and the inner circumferential surface of the mounting hole (201) of the mounting seat (200) to achieve sealing between the two.
8. The electrical connection module according to claim 7, characterized in that: A circle of sealing ring installation grooves (13) is formed on the outer side of the housing (1), and the sealing ring (3) is positioned and installed in the sealing ring installation grooves (13).
9. The electrical connection module according to claim 8, characterized in that: The snap-fit feature and the positioning feature on the shell (1) are staggered in the circumferential direction of the shell (1) and are spaced apart from each other by a predetermined distance in the axial direction of the shell (1); the sealing ring installation groove (13) on the shell (1) is located between the snap-fit feature and the positioning feature.
10. The electrical connection module according to claim 1, characterized in that: The terminal (4) is a power terminal of the charging base or a ground protection terminal of the charging base.
11. The electrical connection module according to claim 1, characterized in that: The terminal (4) comprises a terminal body (40), wherein the terminal body (40) has a cylindrical portion (41) and a welding portion (42) connected to the rear end of the cylindrical portion (41), and the welding portion (42) is used for welding to a cable (5) to electrically connect to the cable (5).
12. The electrical connection module according to claim 11, characterized in that: Also includes: A cable (5), one end (50) of which extends into the housing (1) and is welded to the welding portion (42) of the terminal (4); and A temperature sensor (6) is arranged in the housing (1) and is in thermal contact with the welding portion (42) of the terminal (4), and is used to detect the temperature of the terminal (4).
13. The electrical connection module according to claim 12, characterized in that: Also includes: A heat shrink tube (7) is sleeved and heat-shrunk on one end (50) of the cable (5), the welding portion (42) of the terminal (4), and the main body (60) of the temperature sensor (6), so as to fix the temperature sensor (6) to the welding portion (42) of the terminal (4).
14. The electrical connection module according to claim 13, characterized in that: The welding portion (42) of the terminal (4) is flat and has two opposite sides in the thickness direction thereof; one end (50) of the cable (5) is welded to one side of the welding portion (42) of the terminal (4); and the main body (60) of the temperature sensor (6) is fixed to the other side of the welding portion (42) of the terminal (4).
15. The electrical connection module according to claim 11, characterized in that: Also includes: A sealing member (44) is injection molded onto the cylindrical portion (41) of the terminal (4) and enters into the inner cavity of the cylindrical portion (41) through an opening on the cylindrical portion (41). The sealing member (44) is used to seal the inner cavity of the cylindrical portion (41) of the terminal (4) and the mounting hole (201) on the mounting seat (200).
16. The electrical connection module according to claim 11, characterized in that: Also includes: an elastic member (43) inserted into the front portion of the cylindrical portion (41) of the terminal (4) to electrically contact the inserted mating terminal, The terminal body (40) and the elastic member (43) are respectively integrally stamped parts.
17. The electrical connection module according to claim 12, characterized in that: Also includes: A rear end cap (9) is inserted into a rear port (102) of the housing (1); A sealing plug (8) disposed in the rear end cap (9); and A sealing ring (91) is mounted in a mounting groove on the outer side of the rear end cap (9). The lead wire (61) of the cable (5) and the temperature sensor (6) passes through the sealing plug (8) and the rear end cap (9) and is led out from the rear port (102) of the housing (1). The sealing plug (8) is used to achieve sealing between the cable (5) and the rear end cap (9) and sealing between the lead wire (61) and the rear end cap (9), and the sealing ring (91) is used to achieve sealing between the rear end cap (9) and the housing (1).
18. The electrical connection module according to claim 17, characterized in that: A plurality of elastic buckles (9a) are formed on the peripheral wall of the rear end of the rear end cap (9), and a plurality of slot holes (1a) are formed on the peripheral wall of the rear port (102) of the shell (1). The plurality of elastic buckles (9a) are respectively engaged in the plurality of slot holes (1a) to lock the rear end cap (9) in the shell (1).
19. A charging stand, characterized in that: include: A mounting seat (200) formed with a mounting hole (201); and The electrical connection module (100) according to any one of claims 1 to 18 is inserted into the mounting hole (201) of the mounting seat (200). The mounting seat (200) has a matching snap-in feature formed in the mounting hole (201), and the matching snap-in feature engages with a snap-in feature on a housing (1) of the electrical connection module (100) to lock the electrical connection module (100) in the mounting hole (201).
20. The charging stand according to claim 19, characterized in that: The matching buckle feature comprises a plurality of elastic arms (21) formed on the peripheral wall of the mounting hole (201), the plurality of elastic arms (21) being distributed at intervals in the circumferential direction of the mounting hole (201) and respectively engaging with a plurality of slots (11) on the housing (1).
21. The charging stand according to claim 19, characterized in that: The matching buckle feature comprises a plurality of slots formed on the peripheral wall of the mounting hole (201), the plurality of slots being distributed at intervals in the circumferential direction of the mounting hole (201) and respectively engaging with a plurality of elastic arms on the housing (1).
22. The charging stand according to claim 19, characterized in that: A matching positioning feature is formed in the mounting seat (200), and the matching positioning feature engages with a positioning feature on the housing (1) to position the electrical connection module (100) in the circumferential direction of the mounting hole (201).
23. The charging stand according to claim 22, characterized in that: The matching positioning feature comprises at least one guide groove (22) formed on the inner peripheral surface of the mounting hole (201), wherein the at least one guide groove (22) extends along the axial direction of the mounting hole (201) and is respectively engaged with at least one guide rib (12) on the housing (1).
24. The charging stand according to claim 22, characterized in that: The matching positioning feature comprises at least one guide rib formed on the inner circumferential surface of the mounting hole (201), the at least one guide rib extending along the axial direction of the mounting hole (201) and respectively engaging with at least one guide groove on the housing (1).
25. The charging stand according to claim 19, characterized in that: A plurality of mounting holes (201) are formed in the mounting seat (200), and the charging seat comprises a plurality of electrical connection modules (100) respectively inserted into the plurality of mounting holes (201).
26. The charging stand according to claim 19, characterized in that: The mounting seat (200) has a flange portion (23), and a connection hole (23a) is formed on the flange portion (23) to allow a threaded connection member to pass through, so that the flange portion (23) can be fastened to a mounting panel by the threaded connection member passing through the connection hole (23a).
27. The charging stand according to claim 19, characterized in that: The mounting seat (200) is an integral injection-molded part.
Citation Information
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