Electric connection assembly of charging seat

Abstract

The utility model discloses an electric connection assembly of a charging seat, which comprises a charging seat rear shell, a conductive terminal, at least one first cable and at least one second cable, the cables penetrate into the charging seat rear shell and are electrically connected with the conductive terminal, and the rear end of the charging seat rear shell extends to form a direct current boss and an alternating current boss. A direct current buckle cover and an alternating current buckle cover are respectively clamped on the direct current boss and the alternating current boss, the end part of the first cable penetrates through the direct current buckle cover and the direct current boss and extends into the charging seat rear shell, and the end part of the second cable penetrates through the alternating current buckle cover and the alternating current boss and extends into the charging seat rear shell; the direct-current buckle cover comprises a first split body and a second split body which are hinged, the other ends of the first split body and the second split body are clamped, a first threading hole is formed between the first split body and the second split body, the side wall of the alternating-current buckle cover is provided with an axially-through opening, and a second cable enters the second threading hole through the opening. The direct-current buckle cover is designed to be opened through rotation, and the alternating-current buckle cover is designed to be opened quickly in an axial through mode, so that pre-penetration is reduced, and installation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of charging seats, and more specifically to an electrical connection component of a charging seat. Background Art

[0002] With the development of the new energy vehicle field and the development and popularization of electric vehicle technology, the terminals in the charging seat of electric vehicles require cable connection connectors. The research on the buckle cover used to fix the cable to the charging seat has become a crucial part. Generally, the buckle cover needs to be pre-threaded onto the cable and then snapped onto the charging seat. It requires multiple processes, many processes, cumbersome installation, and difficult pre-threading, which greatly increases the difficulty of production and manufacturing.

[0003] Therefore, a new technical solution is urgently needed to solve the above problems. Utility Model Content

[0004] In order to solve the above problems, the present disclosure provides an electrical connection assembly of a charging base, including a charging base and a charging cable, wherein the charging base includes an internal conductive terminal and a rear shell of the charging base at the rear end, and the charging cable penetrates into the rear shell of the charging base and is electrically connected to the conductive terminal.

[0005] The charging cable comprises at least one first cable and at least one second cable, a DC boss and an AC boss are extended from the rear end of the charging seat rear shell, a DC buckle cover and an AC buckle cover are respectively clamped on the DC boss and the AC boss, an end of the first cable sequentially passes through a first threading hole on the DC buckle cover and a first through hole on the DC boss to extend into the charging seat rear shell, and an end of the second cable sequentially passes through a second threading hole on the AC buckle cover and a second through hole on the AC boss to extend into the charging seat rear shell;

[0006] The DC buckle cover comprises a hinged first split body and a second split body, the other ends of the first split body and the second split body are clamped together to form the first threading hole therebetween;

[0007] The side wall of the AC buckle cover has an axially penetrating opening, and the second cable enters the second threading hole through the opening.

[0008] Preferably, the first split body and the second split body include a first bottom wall and a second bottom wall covering the end face of the DC boss, a first side wall and a second side wall axially extending along the outer side faces of the first bottom wall and the second bottom wall and detachably connected to the outer wall of the DC boss, a first annular wall and a second annular wall axially extending along the inner side faces of the first bottom wall and the second bottom wall in a direction away from the DC boss, and the first threading hole is formed between the first annular wall and the second annular wall.

[0009] Preferably, one end of the first side wall and the second side wall are hinged, and the other end is provided with a snap-fit ​​structure and is snap-fitted to each other.

[0010] Preferably, a first clamping protrusion is provided on the outer wall of the DC boss, and a first buckle corresponding to the position of the clamping protrusion is provided on the first side wall and the second side wall, and the first buckle is clamped with the first clamping protrusion to fix the DC buckle cover to the DC boss.

[0011] Preferably, a plurality of axially extending first reinforcing ribs are circumferentially arranged between the first annular wall, the second annular wall, and the first bottom wall, and the second bottom wall.

[0012] Preferably, it also includes a first sealing ring sleeved on the first cable, the first sealing ring includes a first sealing cover and a first sealing plug connected in sequence, the first sealing plug is arranged in the first through hole, the radial dimension of the first sealing cover is larger than that of the first sealing plug, one side of the first sealing cover abuts against the end face of the DC boss, and the other side abuts against the first bottom wall and the second bottom wall.

[0013] Preferably, the AC buckle cover includes a third bottom wall covering the end face of the AC boss, a third side wall extending axially along the outer side surface of the third bottom wall and removable from the outer wall of the AC boss, and a third annular wall extending axially along the inner side surface of the third bottom wall facing away from the AC boss.

[0014] Preferably, a second clamping protrusion is provided on the outer wall of the AC boss, and a second buckle corresponding to the position of the second clamping protrusion is provided on the third side wall, and the second buckle is clamped with the second clamping protrusion to fix the AC buckle cover to the AC boss.

[0015] Preferably, it also includes a second sealing ring sleeved on the second cable, the second sealing ring includes a second sealing cover and a second sealing plug connected in sequence, the second sealing plug is arranged in the second through hole, the radial dimension of the second sealing cover is larger than that of the second sealing plug, one side of the second sealing cover abuts against the end face of the AC boss, and the other side abuts against the third bottom wall.

[0016] Preferably, at least one guide groove is axially arranged on the outer side surface of the AC boss, and when the AC buckle cover is snap-connected with the AC boss, the side edge of the opening is located in the guide groove.

[0017] The beneficial effects provided by the utility model are as follows:

[0018] The utility model includes a charging seat and a first cable and a second cable. The charging seat includes an internal conductive terminal and a rear shell of the charging seat at the rear end. The cable is inserted into the rear shell of the charging seat and is electrically connected to the conductive terminal in the charging seat. A DC boss and an AC boss are extended from the rear end of the rear shell of the charging seat. A DC buckle cover and an AC buckle cover are respectively clamped on the DC boss and the AC boss. The DC buckle cover includes a hinged first split body and a second split body. The other ends of the first split body and the second split body are clamped. After the first cable is inserted into the rear shell of the charging seat and is electrically connected to the conductive terminal, the split buckle cover can be easily and radially installed on the outer wall of the DC boss to fix the first cable. The side wall of the AC buckle cover has an axially through opening. The AC buckle cover is first radially easily sleeved on the second cable through the opening, and then axially moved and installed on the AC boss. The DC buckle cover and the AC buckle cover of the present design solve the problem of difficulty in pre-piercing the traditional buckle cover, improve production efficiency, facilitate on-site assembly, and effectively reduce labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of assembling an electrical connection component of a charging stand according to a preferred embodiment of the present invention;

[0021] Figure 2 This is a schematic diagram of the exploded structure of an electrical connection component of a charging stand according to a preferred embodiment of this invention;

[0022] Figure 3 This is a schematic diagram of the structure of a DC buckle cover according to a preferred embodiment of this invention;

[0023] Figure 4 It is a schematic structural diagram of the AC buckle cover of the preferred embodiment of this article.

[0024] Description of reference numerals:

[0025] 1. Charging seat; 11. Charging seat back shell; 111. DC boss; 112. First through hole; 113. First clamping protrusion; 114. AC boss; 115. Second through hole; 116. Second clamping protrusion; 117. Guide groove; 12. Conductive terminal; 2. First cable; 3. Second cable; 4. DC buckle cover; 41. First split body; 42. Second split body; 43. First threading hole; 44. First bottom wall; 441. First reinforcing rib; 45 , second bottom wall, 46, first side wall; 471, first buckle; 47, second side wall; 48, first annular wall; 49, second annular wall; 5, AC buckle cover; 51, second threading hole; 52, opening; 53, third bottom wall; 54, third side wall; 55, third annular wall; 56, second buckle; 6, first seal; 61, first sealing cover; 62, first sealing plug; 7, second sealing ring; 71, second sealing cover; 72, second sealing plug. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present disclosure are described below in conjunction with the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present disclosure, and are not used to limit the present disclosure. In addition, the embodiments and features in the embodiments of the present disclosure may be combined with each other if no conflict occurs.

[0027] like Figure 1-Figure 4 As shown, this article provides an electrical connection assembly of a charging seat 1 according to a preferred embodiment, including a charging seat 1 and a charging cable. The charging seat 1 includes an internal conductive terminal 12 and a rear shell 11 of the charging seat at the rear end. The charging cable penetrates into the rear shell 11 of the charging seat and is electrically connected to the conductive terminal 12.

[0028] The charging cable comprises at least one first cable 2 and at least one second cable 3. A DC boss 111 and an AC boss 114 are extended from the rear end of the charging seat rear shell 11. A DC buckle cover 4 and an AC buckle cover 5 are respectively clamped on the DC boss 111 and the AC boss 114. The end of the first cable 2 sequentially passes through the first threading hole 43 on the DC buckle cover 4 and the first through hole 112 on the DC boss 111 and extends into the rear shell of the charging seat 1. The end of the second cable 3 sequentially passes through the second threading hole 51 on the AC buckle cover 5 and the second through hole 115 on the AC boss 114 and extends into the rear shell of the charging seat 11.

[0029] The DC buckle cover 4 includes a hinged first split body 41 and a second split body 42, the other ends of the first split body 41 and the second split body 42 are clamped together to form the first threading hole 43 therebetween;

[0030] The side wall of the AC buckle cover 5 has an axially penetrating opening 52 , and the second cable 3 enters the second threading hole 51 through the opening 52 .

[0031] With the development of the new energy vehicle field and the development and popularization of electric vehicle technology, the terminals in the charging seat 1 for electric vehicles need cables to connect connectors or other power supply devices. The research on the buckle covers on the cables has also become a crucial part. Generally, the buckle covers need to be pre-threaded onto the cables and then snapped onto the charging seat 1. This requires multiple processes, many processes, cumbersome installation, and difficult pre-threading, which increases the difficulty of production and manufacturing.

[0032] The present invention comprises a charging seat 1 and a first cable 2 and a second cable 3. The charging seat 1 comprises an internal conductive terminal 12 and a rear shell 11 of the charging seat at the rear end. The cable is inserted into the rear shell of the charging seat 1 and is electrically connected to the conductive terminal 12 in the charging seat 1. A DC boss 111 and an AC boss 114 are extended from the rear end of the charging seat rear shell 11. A DC buckle cover 4 and an AC buckle cover 5 are respectively clamped on the DC boss 111 and the AC boss 114. The DC buckle cover 4 comprises a hinged first split body 41 and a second split body 42. The other ends of the first split body 41 and the second split body 42 are clamped. The split buckle The cover can be a split buckle cover, which can be easily installed on the outer wall of the DC boss 111 after the first cable 2 is inserted into the rear shell 11 of the charging seat and electrically connected to the conductive terminal 12, so as to fix the first cable 2; the side wall of the AC buckle cover 5 has an axially through opening 52, and the AC buckle cover 5 is first radially and easily sleeved on the second cable 3 through the opening 52, and then axially moved and installed on the AC boss 114. The DC buckle cover 4 and AC buckle cover 5 of the present design solve the problem of difficulty in pre-piercing traditional buckles, improve production efficiency, facilitate on-site assembly, and effectively reduce labor costs.

[0033] In some embodiments, Figure 1 and Figure 3 As shown, the first split body 41 and the second split body 42 include a first bottom wall 44 and a second bottom wall 45 covering the end surface of the DC boss 111, a first side wall 46 and a second side wall 47 detachably connected to the outer wall of the DC boss 111 are axially extended along the outer side surfaces of the first bottom wall 44 and the second bottom wall 45, and a first annular wall 48 and a second annular wall 49 are axially extended along the inner side surfaces of the first bottom wall 44 and the second bottom wall 45 in a direction away from the DC boss 111, and the first threading hole 43 is formed between the first annular wall 48 and the second annular wall 49.

[0034] The first threading hole 43 matches the shape of the first cable 2 , and the first cable 2 sequentially enters the rear shell 11 of the charging seat through the first threading hole 43 and the first through hole 112 to be electrically connected to the conductive terminal 12 .

[0035] In some embodiments, Figure 1 and Figure 3 As shown, one end of the first side wall 46 and the second side wall 47 are hinged, and the other end is provided with a clamping structure and is clamped and connected to each other.

[0036] The material of the DC buckle cover 4 can be PA6, and one end of the first side wall 46 and the second side wall 47 are hinged, and a snap-on structure is set at the other end and connected to each other by snapping. When the snap-on structures of the first side wall 46 and the second side wall 47 are relatively separated, the first split body 41 can be rotated around the second split body 42 to open, and when the first cable 2 needs to be fixed, the first split body 41 is rotated around the second split body 42 to close, and the snap-on structures are snap-on connected to each other to form a closed loop, so that the DC buckle cover 4 is snapped on the outer wall of the DC boss 111. The DC buckle cover 4 does not need to be pre-threaded onto the first cable 2, and can be directly and quickly snapped onto the DC boss 111, thereby reducing the assembly process, speeding up the assembly, and improving the assembly processing efficiency.

[0037] In some embodiments, Figure 1-Figure 3 As shown, a first snap-fit ​​protrusion 113 is provided on the outer wall of the DC boss 111, and a first snap 471 corresponding to the position of the snap-fit ​​protrusion is provided on the first side wall 46 and the second side wall 47. The first snap 471 is snapped with the first snap-fit ​​protrusion 113 to fix the DC buckle cover 4 with the DC boss 111.

[0038] In some embodiments, Figure 3 As shown, a plurality of axially extending first reinforcing ribs 441 are circumferentially arranged between the first annular wall 48 and the second annular wall 49 and the first bottom wall 44 and the second bottom wall 45 .

[0039] The design of the first reinforcing rib 441 can strengthen the connection between the first annular wall 48 and the first bottom wall 44 and between the second annular wall 49 and the second bottom wall 45, thereby increasing the strength of the DC buckle cover 4 and extending its service life.

[0040] In some embodiments, Figure 2 and Figure 3 As shown, it also includes a first sealing 6 ring sleeved on the first cable 2, the first sealing 6 ring includes a first sealing 6 cover and a first sealing 6 plug connected in sequence, the first sealing 6 plug is arranged in the first through hole 112, the radial dimension of the first sealing 6 cover is larger than that of the first sealing 6 plug, one side of the first sealing 6 cover abuts against the end face of the DC boss 111, and the other side abuts against the first bottom wall 44 and the second bottom wall 45.

[0041] The first sealing ring 6 seals the first cable 2 to prevent impurities, dust, water vapor, etc. from entering between the first cable 2 and the first through hole 112, thereby ensuring the sealing of the first cable 2 and the safety of electricity use during use.

[0042] In some embodiments, Figure 1 , Figure 2 and Figure 4 As shown, the AC buckle cover 5 includes a third bottom wall 53 covering the end face of the AC boss 114, a third side wall 54 extending axially along the outer side face of the third bottom wall 53 and removable from the outer wall of the AC boss 114, and a third annular wall 55 extending axially along the inner side face of the third bottom wall 53 in a direction away from the AC boss 114.

[0043] In some embodiments, Figure 1 , Figure 2 and Figure 4 As shown, a second snap-fitting protrusion 116 is provided on the outer wall of the AC boss 114, and a second snap 56 corresponding to the position of the second snap-fitting protrusion 116 is provided on the third side wall 54. The second snap 56 is snapped with the second snap-fitting protrusion 116 to fix the AC buckle cover 5 and the AC boss 114 in connection.

[0044] In some embodiments, Figure 2 As shown, it also includes a second sealing ring 7 sleeved on the second cable 3, the second sealing ring 7 includes a second sealing cover 71 and a second sealing plug 72 connected in sequence, the second sealing plug 72 is arranged in the second through hole 115, the radial dimension of the second sealing cover 71 is larger than that of the second sealing plug 72, one side of the second sealing cover 71 abuts against the end face of the AC boss 114, and the other side abuts against the third bottom wall 53.

[0045] The second sealing ring 7 seals the second cable 3 to prevent impurities, dust, water vapor, etc. from entering between the second cable 3 and the second through hole 115, thereby ensuring the sealing of the second cable 3 and the safety of electricity use during use.

[0046] In some embodiments, Figure 1 , Figure 2 and Figure 4 As shown, at least one guide groove 117 is axially arranged on the outer side surface of the AC boss 114 . When the AC buckle cover 5 is snap-connected with the AC boss 114 , the side edge of the opening 52 is located in the guide groove 117 .

[0047] The guide groove 117 is designed to cooperate with the opening 52 of the AC buckle cover 5 during the movement of the AC buckle cover 5 toward the AC boss 114 along the axial direction, and plays a guiding role in smoothly snapping the AC buckle cover 5 onto the outer wall of the AC boss 114.

[0048] The utility model comprises a charging seat 1 and a first cable 2 and a second cable 3. The charging seat 1 comprises an internal conductive terminal 12 and a rear shell 11 of the charging seat at the rear end. The cable penetrates into the rear shell of the charging seat 1 and is electrically connected to the conductive terminal 12 in the charging seat 1. A DC boss 111 and an AC boss 114 are extended from the rear end of the charging seat rear shell 11. A DC buckle cover 4 and an AC buckle cover 5 are respectively clamped on the DC boss 111 and the AC boss 114. The DC buckle cover 4 comprises a hinged first split body 41 and a second split body 42. The first split body 41 It is clamped with the other end of the second split body 42, and the split buckle cover can be finally easily installed on the outer wall of the DC boss 111 to fix the first cable 2; the side wall of the AC buckle cover 5 has an axially through opening 52, and the AC buckle cover 5 is first radially and easily sleeved on the second cable 3 through the opening 52, and then axially moved and installed on the AC boss 114. The DC buckle cover 4 and AC buckle cover 5 of the present design solve the problem of difficulty in pre-piercing traditional buckles, improve production efficiency, facilitate on-site assembly, and effectively reduce labor costs.

[0049] Although the preferred embodiments of the present disclosure have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present disclosure.

[0050] Obviously, those skilled in the art can make various changes and modifications to the embodiments of the present disclosure without departing from the spirit and scope of the embodiments of the present disclosure. Thus, if these modifications and variations of the embodiments of the present disclosure fall within the scope of the claims of the present disclosure and their equivalents, the present disclosure is also intended to include these modifications and variations.

[0051] It should also be understood that in the embodiments of this article, the term "and / or" is only a description of the association relationship of the associated objects, indicating that three relationships may exist. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the associated objects before and after are in an "or" relationship.

[0052] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this article.

[0053] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0054] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiments of this article.

[0055] In addition, each functional unit in each embodiment of this invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware or in the form of software functional unit.

[0056] Specific embodiments are used in this article to illustrate the principles and implementation methods of this article. The description of the above embodiments is only used to help understand the methods and core ideas of this article. At the same time, for general technicians in this field, according to the ideas of this article, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on this article.

Claims

1. An electrical connection assembly of a charging seat, comprising a charging seat and a charging cable, wherein the charging seat comprises an internal conductive terminal and a rear shell of the charging seat at the rear end, wherein the charging cable penetrates into the rear shell of the charging seat and is electrically connected to the conductive terminal, wherein: The charging cable comprises at least one first cable and at least one second cable, a DC boss and an AC boss are extended from the rear end of the charging seat rear shell, a DC buckle cover and an AC buckle cover are respectively clamped on the DC boss and the AC boss, an end of the first cable sequentially passes through a first threading hole on the DC buckle cover and a first through hole on the DC boss to extend into the charging seat rear shell, and an end of the second cable sequentially passes through a second threading hole on the AC buckle cover and a second through hole on the AC boss to extend into the charging seat rear shell; The DC buckle cover comprises a hinged first split body and a second split body, the other ends of the first split body and the second split body are clamped together to form the first threading hole therebetween; The side wall of the AC buckle cover has an axially penetrating opening, and the second cable enters the second threading hole through the opening.

2. The electrical connection assembly of a charging stand according to claim 1, characterized in that: The first split body and the second split body include a first bottom wall and a second bottom wall covering the end face of the DC boss, a first side wall and a second side wall axially extending along the outer side faces of the first bottom wall and the second bottom wall and detachably connected to the outer wall of the DC boss, a first annular wall and a second annular wall axially extending along the inner side faces of the first bottom wall and the second bottom wall in a direction away from the DC boss, and the first threading hole is formed between the first annular wall and the second annular wall.

3. The electrical connection assembly of a charging stand according to claim 2, characterized in that: One end of the first side wall and the second side wall are hinged, and the other end is provided with a clamping structure and is clamped and connected to each other.

4. The electrical connection assembly of a charging stand according to claim 2, characterized in that: A first clamping protrusion is arranged on the outer wall of the DC boss, and a first buckle corresponding to the position of the clamping protrusion is arranged on the first side wall and the second side wall, and the first buckle is clamped with the first clamping protrusion to fix the DC buckle cover to the DC boss.

5. The electrical connection assembly of a charging stand according to claim 2, characterized in that: A plurality of axially extending first reinforcing ribs are circumferentially arranged between the first annular wall, the second annular wall, and the first bottom wall and the second bottom wall.

6. The electrical connection assembly of a charging stand according to claim 2, characterized in that: It also includes a first sealing ring sleeved on the first cable, the first sealing ring includes a first sealing cover and a first sealing plug connected in sequence, the first sealing plug is arranged in the first through hole, the radial dimension of the first sealing cover is larger than that of the first sealing plug, one side of the first sealing cover abuts against the end face of the DC boss, and the other side abuts against the first bottom wall and the second bottom wall.

7. The electrical connection assembly of a charging stand according to claim 1, characterized in that: The AC buckle cover includes a third bottom wall covering the end face of the AC boss, a third side wall extending axially along the outer side face of the third bottom wall and being removable from the outer wall of the AC boss, and a third annular wall extending axially along the inner side face of the third bottom wall facing away from the AC boss.

8. The electrical connection assembly of a charging stand according to claim 7, characterized in that: A second clamping protrusion is arranged on the outer wall of the AC boss, and a second buckle corresponding to the position of the second clamping protrusion is arranged on the third side wall. The second buckle is clamped with the second clamping protrusion to fix the AC buckle cover to the AC boss.

9. The electrical connection assembly of a charging stand according to claim 7, characterized in that: It also includes a second sealing ring sleeved on the second cable, the second sealing ring includes a second sealing cover and a second sealing plug connected in sequence, the second sealing plug is arranged in the second through hole, the radial dimension of the second sealing cover is larger than that of the second sealing plug, one side of the second sealing cover abuts against the end face of the AC boss, and the other side abuts against the third bottom wall.

10. The electrical connection assembly of a charging stand according to claim 1, characterized in that: At least one guide groove is axially arranged on the outer side surface of the AC boss. When the AC buckle cover is snap-connected with the AC boss, the side edge of the opening is located in the guide groove.

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