Charging socket

Abstract

To provide a charging socket capable of reducing maintenance costs by effectively reducing the difficulty of disassembly and assembly when a charging terminal mounted in a terminal housing cavity is repaired or replaced.SOLUTION: A socket body 2 of a charging socket 1 includes: a charging end 21 configured to be connected to an adapter plug 3; a conversion end 22 configured to be connected to a battery pack; a charging end and a converting end; and a terminal accommodating cavity 23 communicating between the ends, wherein the conversion end includes mating mounting grooves configured to receive an adapter plug and is configured for pluggable connection with the adapter plug.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to the technical field of chargers, and more particularly to charging sockets. [Background technology]

[0002] As global pressure on energy and the environment increases, the concepts of energy and environmental protection are permeating various fields. In the automotive industry, electric vehicles (EVs) powered by power batteries are gradually entering widespread use due to their clean and environmentally friendly characteristics compared to traditional fuel-engine and gas-engine vehicles. As EVs become more popular, the batteries need to be frequently charged while in use. An EV is equipped with a charging socket connected to the internal battery, allowing users to conveniently charge the internal battery by inserting an external power plug into the charging socket. In prior art, the power cord of the charging socket is directly riveted to the connecting terminal, making it impossible to disassemble the power cord and the connecting terminal. This makes disassembly and assembly of the charging socket difficult. Repeated use or accidental damage to the charging socket requires repair and replacement of the connecting terminal, resulting in high maintenance costs. Summary of the Invention [Problem to be solved by the invention]

[0003] An object of the present invention is to provide a charging socket that solves the technical problem that when repair or replacement of the connection terminal of a charging socket is required, the connection terminal cannot be disassembled from the power cord, making disassembly and assembly of the charging socket difficult and increasing maintenance costs. [Means for solving the problem]

[0004] In order to achieve the above object, the technical solution adopted by the present application is a charging socket including a socket body, the socket body having a charging end configured to connect to a charging plug, a conversion end configured to connect to a battery pack, and a terminal-accommodating cavity communicating between the charging end and the conversion end, the conversion end being configured to attach an adapter plug and being provided with a mating installation groove configured to be pluggably connected to the adapter plug.

[0005] In one embodiment, the socket body includes a position limiting component disposed in the mating mounting groove and configured to limit displacement of the adapter plug in the mating mounting groove.

[0006] In one embodiment, the position limiting element comprises a first position limiting structure protruding from the socket body and arranged on the bottom surface of the mating installation groove, and the peripheral side wall of the adapter plug extends toward the socket body and surrounds a second position limiting structure protruding from the bottom surface of the adapter plug, forming a position limiting region configured to fit with the first position limiting structure.

[0007] In one embodiment, a seal ring is provided in the position limiting region, and the seal ring is disposed between the first position limiting structure and the second position limiting structure.

[0008] In one embodiment, the charging socket further includes a charging terminal, the charging terminal being disposed in the terminal receiving cavity of the socket body, one end (or one end) of the charging terminal being connected to the mating terminal of the charging plug, and the other end (or the other end) of the charging terminal being connected to the adapter plug.

[0009] In one embodiment, the charging socket further comprises an adapter plug detachably connected to the socket body, the adapter plug being pluggably connected to the socket body.

[0010] In one embodiment, the adapter plug comprises an adapter housing and a conversion terminal disposed in the adapter housing, one end (or one end) of the conversion terminal being connected to the charging terminal and the other end (or the other end) of the conversion terminal being electrically connected to the battery pack.

[0011] In one embodiment, the bottom surface of the adapter housing is provided with a first through hole configured to be passed by the charging terminal and axially pluggably connected by the adapter terminal, and the shape of the first through hole is adapted to the cross-sectional shape of the conversion terminal.

[0012] In one embodiment, the top surface of the adapter housing is provided with a second through-hole configured to be passed by the conversion terminal and connected to the battery pack.

[0013] In one embodiment, the charging socket further includes an engagement assembly (or engagement assembly) configured to detachably connect the socket body and the adapter plug, the engagement assembly including an engagement frame disposed on a side wall of the adapter housing and a locking member inserted into the engagement frame.

[0014] In one embodiment, the socket body has a reserved groove configured to be fitted by the engagement frame, the reserved groove is arranged in communication with the mating installation groove, and the engaging member (or locking member) is arranged so as to be pluggable into the reserved groove and is inter-engaged with a first engaging protrusion provided protruding from the surface of the adapter housing.

[0015] In one embodiment, the positioning protrusion is provided on the engagement frame, the locking member includes a holding seat configured to clamp the positioning protrusion, the holding seat includes a first holding arm and a second holding arm spaced apart from the first holding arm, and a holding area is formed between the first holding arm and the second holding arm configured to be fitted by the positioning protrusion.

[0016] In one embodiment, the locking member further includes a first hook fixedly coupled to the first retaining arm, the first hook and the first engagement protrusion engaging with each other.

[0017] In one embodiment, the engagement frame includes a plurality of position limiting guide rails configured to limit the movement direction of the locking member, the plurality of position limiting guide rails being arranged parallel to one another, and the surface of the first holding arm being recessed to form position limiting grooves that fit into the position limiting guide rails.

[0018] In one embodiment, the engagement frame is provided with a second engagement protrusion located between two adjacent ones of the position limiting guide rails and configured to limit the displacement of the locking member, and the surface of the first retaining arm is formed with a protruding second hook that snaps into connection with the second engagement protrusion. [Effects of the Invention]

[0019] The beneficial effects of the charging socket provided by the present invention are as follows: Compared with the prior art, the charging socket of the present application includes a socket body having a charging end configured for external connection to a charging plug, a conversion end configured for connection to a battery pack, and a terminal accommodating cavity communicating between the charging end and the conversion end, the conversion end of the socket body having a mating installation groove configured to attach an adapter plug and be pluggable with the adapter plug. An adapter plug configured to connect a battery pack to the charging socket is added, and the socket body and the adapter plug are pluggably connected via the mating installation groove. The battery pack is connected to the charging socket by utilizing the external connection between the charging end of the charging socket and the charging plug, and the connection between the adapter plug (pluggably connected to the socket body) and the battery pack. When repairing or replacing the charging terminals attached to the terminal accommodating cavity, the connection between the charging terminals and the battery pack can be completed simply by pulling the adapter plug out of the mating installation groove located in the socket body, effectively reducing the difficulty of disassembly and assembly. Therefore, this process is simple, which can improve work efficiency and reduce maintenance costs. [Brief explanation of the drawings]

[0020] In order to more clearly describe the technical solutions in the embodiments of the present application, the following briefly introduces drawings required in the description of the embodiments or prior art. Of course, the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art based on these drawings without any creative efforts. [Figure 1] 1 is a three-dimensional structural view of a charging socket provided according to an embodiment of the present invention; [Figure 2] 1 is a cross-sectional structural view of a charging socket provided by an embodiment of the present invention; [Figure 3] 1 is an exploded structural view of a charging socket provided by an embodiment of the present invention; [Figure 4] 1 is a three-dimensional structural view of an adapter plug of a charging socket provided by one embodiment of the present invention. [Figure 5] 1 is a cross-sectional view of an adapter plug of a charging socket provided by one embodiment of the present invention. [Figure 6] FIG. 1 is a first perspective view of an adapter housing of a charging socket provided by one embodiment of the present invention; [Figure 7] FIG. 2 is a second perspective view of the adapter housing of the charging socket provided by one embodiment of the present invention. [Figure 8] 1 is a cross-sectional structural view of an adapter housing of an adapter plug provided by one embodiment of the present invention. [Figure 9] 1 is a three-dimensional structural view of a locking member of a clamp assembly provided according to one embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0021] In order to make the technical problems, technical solutions and beneficial effects of the present invention easier to understand, the present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described in this specification are only used to explain the present application and are not used to limit the present application.

[0022] It should be noted that when an element is described as being "fixed to" or "arranged on" another element, it may be directly or indirectly on the other element. When an element is said to be "connected to" another element, it may be directly or indirectly connected to the other element.

[0023] In this specification, the orientations and positional relationships indicated by terms such as "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "internal," and "external" are based on the orientations and positional relationships shown in the accompanying drawings and are used solely for the purpose of describing the present invention. They do not represent or imply that the devices or elements shown must have a particular orientation or be configured or operate in a particular orientation, but are used for convenience of explanation. Therefore, the orientations and positional relationships should not be understood as limitations of this application.

[0024] Furthermore, the terms "first" and "second" are for convenience of description and should not be construed as indicating or suggesting relative importance or implying the number of technical features shown. A feature qualified with "first" or "second" may expressly or implicitly indicate that one or more features are included. As used herein, "multiple / a plurality of" means two or more than two, unless otherwise expressly and specifically specified.

[0025] 1 to 3 , the charging socket 1 provided in this embodiment includes a socket body 2. The socket body 2 includes a charging end 21 configured to externally connect to a charging plug, a conversion end 22 configured to connect to a battery pack, and a terminal-receiving cavity 23 communicating between the charging end 21, the conversion end 22, and the terminal-receiving cavity 23. The conversion end 22 of the socket body 2 is configured to attach an adapter plug 3 and is provided with a mating installation groove 221 configured to be pluggably connected to the adapter plug 3. By adding an adapter plug 3 configured to connect a battery pack to the charging socket 1 and pluggably connecting the socket body 2 and the adapter plug 3 via the mating installation groove 221, the charging end 21 of the charging socket 1 can be externally connected with the charging plug, and the connection between the adapter plug 3 (pluggably connected to the socket body 2) and the battery pack can be utilized to externally connect the charging end 21 of the charging socket 1 with the charging plug, thereby utilizing the connection between the socket body 2 and the battery pack. When the charging terminal 24 attached to the terminal receiving cavity 23 needs to be repaired or replaced, all that is required is to pull out the adapter plug 3 from the mating installation groove 221 arranged in the socket body 2, thereby completing the disconnection between the charging terminal 24 and the battery pack, effectively reducing the difficulty of disassembly and assembly. This simplifies the process, improves work efficiency, and reduces maintenance costs.

[0026] 1 and 2 , in a specific embodiment of the charging socket 1 provided in this embodiment, the charging socket 1 further includes a charging terminal 24 disposed in the terminal-receiving cavity 23 of the socket body 2. One end of the charging terminal 24 is connected to a mating terminal of the charging plug, and the other end of the charging terminal 24 is connected to the adapter plug 3. The pluggable connection between the charging terminal 24 and the mating terminal of the charging plug supplies electrical energy to a battery pack electrically connected to the charging socket 1, thereby realizing electrical energy transmission. The charging socket 1 further includes an adapter plug 3 detachably connected to the socket body 2, and the adapter plug 3 is pluggably connected to the socket body 2. If the charging terminal 24 attached to the terminal-receiving cavity 23 needs to be repaired or replaced, simply pull the adapter plug 3 out of the mating installation groove 221 disposed in the socket body 2, thereby completing the disconnection between the charging terminal 24 and the battery pack, effectively reducing the difficulty of disassembly and assembly. This simplifies the process, improves work efficiency, and reduces maintenance costs.

[0027] 2 to 4, in this embodiment, the adapter plug 3 of the charging socket 1 includes an adapter housing 31 that is connected to the socket body 2 in a pluggable manner, and a conversion terminal 32 that is provided on the adapter housing 31. One end of the conversion terminal 32 is connected to the charging terminal 24 in a pluggable manner, and the other end of the conversion terminal 32 is electrically connected to the battery pack, and power transmitted by the charging plug is transmitted to the battery pack via the conversion terminal 32, thereby achieving power transmission.

[0028] 4 to 7 , in this embodiment, a first through-hole 313 is provided on the bottom surface of the adapter housing 31, through which the charging terminal 24 passes and is axially pluggably connected to the conversion terminal 32. One end of the charging terminal 24 passes through the first through-hole 313 and is axially pluggably connected to the conversion terminal 32. Optionally, the shape of the first through-hole 313 is adapted to the cross-sectional shape of the conversion terminal 32, thereby realizing a positional limiting function during the pluggable connection between the charging terminal 24 and the conversion terminal 32, thereby facilitating assembly. Optionally, a second through-hole 314 is provided on the top surface of the adapter housing 31, through which the conversion terminal 32 passes and is connected to the battery pack, and an end of the conversion terminal 32 passes through the second through-hole 314 and is electrically connected to the battery pack.

[0029] 2, 7 and 8, in this embodiment, the socket body 2 of the charging socket 1 is provided with a position limiting element that is located in the mating installation groove 221 and is configured to limit displacement of the adapter plug 3 in the mating installation groove, which makes the connection between the socket body 2 and the adapter plug 3 more stable and prevents damage to the connection between the charging terminals 24 and the conversion terminals 32 and effects on power transmission that may occur due to displacement of the adapter plug 3 relative to the socket body 2 within the mating installation groove 221, thereby effectively improving the product reliability of the charging socket 1. Note that the specific structure of the position limiting structure is not particularly limited in this specification. Optionally, the position limiting element includes a first position limiting structure 223 protruding from the socket body 2 and arranged on the bottom surface of the mating installation groove 221, and a peripheral side wall of the adapter plug 3 extends toward the socket body 2 and surrounds the second position limiting structure 311 protruding from the bottom surface of the adapter plug 3, forming a position limiting area 312 configured to fit with the first position limiting structure 223. By disposing the first position limiting structure 223 in the position limiting area 312 of the adapter plug 3, the adapter plug 3 can be accurately engaged with a preset position on the socket body 2, facilitating assembly of the charging socket 1 and improving product reliability. Optionally, a seal ring 3121 is provided in the position limiting area 312, and the seal ring 3121 is provided between the first position limiting structure 223 and the second position limiting structure 311. On the one hand, this effectively improves the protective performance of the charging socket 1 and prevents water, dust, etc. from entering the adapter housing 31 or flowing into the terminal accommodating cavity 23 of the socket body 2 through the first through-hole 313, thereby preventing damage to the internal structure of the charging socket 1 and improving product reliability. On the other hand, the frictional force between the first position limiting structure 223 and the second position limiting structure 311 can be increased, making the connection between the socket body 2 and the adapter plug 3 more stable.

[0030] Referring to FIG. 1 , in a specific embodiment of the charging socket 1 provided in this embodiment, the charging socket 1 further includes a fastener configured to detachably connect the adapter plug 3 and the socket body 2. The socket body 2 has a plurality of connecting holes spaced apart on the circumferential sidewall of the mating installation groove 221, and the adapter housing 31 has fixing holes corresponding to the connecting holes, and the fastener passes through the fixing holes and is screw-connected to the connecting holes. Note that the specific structure of the fastener is not limited in this specification. Optionally, the fastener is a screw, which passes through the fixing hole of the adapter housing 31 and is screw-connected to the connecting hole of the socket body 2, thereby firmly attaching the adapter plug 3 to the socket body 2.

[0031] 1, 2, and 4, in another specific embodiment of the charging socket 1 provided in this embodiment, the charging socket 1 further includes an engagement assembly 4 configured to detachably connect the socket body 2 and the adapter plug 3. The specific structure of the engagement assembly 4 is not particularly limited herein. The engagement assembly 4 includes an engagement frame 41 disposed on a side wall of the adapter housing 31 and a locking member 42 inserted into the engagement frame 41. The adapter plug 3 is firmly attached to the socket body 2 by inserting the locking member 42 into the engagement frame 41. Optionally, the socket body 2 has a reserved groove 222 in which the engagement frame 41 is disposed, the reserved groove 222 being disposed in communication with the mating installation groove 221, the locking member 42 being disposed in a pluggable manner in the reserved groove 222 and interengaging with a first engagement protrusion 315 disposed protruding from the surface of the adapter housing 31, and the adapter plug 3 is firmly attached to the mating installation groove 221 of the socket body 2 by the buckle connection between the locking member 42 and the first engagement protrusion 315.

[0032] 4, 5 and 9, in this embodiment, the engagement frame 41 of the adapter plug 3 has a positioning protrusion 411, and the locking member 42 includes a retaining seat 421 configured to sandwich (or clamp) the positioning protrusion 411, and the retaining seat 421 includes a first retaining arm 4211 and a second retaining arm 4212 arranged at a distance from the first retaining arm 4211. A retaining area into which the positioning protrusion 411 fits is provided between the first retaining arm 4211 and the second retaining arm 4212, and the positioning protrusion 411 is sandwiched by the retaining area formed by fitting into the retaining seat 421, so that the locking member 42 is firmly and accurately attached to a predetermined position on the retaining frame 41, thereby improving the connection stability between the adapter plug 3 and the socket body 2. Optionally, the locking member 42 further includes a first hook 422 fixedly connected to the first holding arm 4211, the first hook 422 and the first engaging protrusion 315 engaging with each other, and the adapter plug 3 is firmly installed in the mating installation groove 221 of the socket body 2 through the engaging connection between the first hook 422 of the locking member 42 and the first engaging protrusion 315. Optionally, the locking member 42 further includes a pressing structure provided on the retaining seat 421, the surface of the pressing structure being provided with an anti-slip portion, which increases the frictional force between the operator's hand and the locking member 42, thereby facilitating the assembly and disassembly of the adapter plug 3 of the charging socket 1 with less effort. Note that the specific structure of the anti-slip portion is not particularly limited in this specification. Optionally, the anti-skid portion is an anti-skid protrusion protruding from the surface of the pressing structure, which has a simple structure and is easy to manufacture.

[0033] 4, 6 and 9, in this embodiment, the holding frame 41 of the adapter plug 3 is provided with a plurality of position limiting guide rails 412 configured to limit the movement direction of the locking member 42, and the plurality of position limiting guide rails 412 are arranged parallel to one another. Position limiting grooves 42111 that fit the position limiting guide rails 412 are recessed into the surface of the first holding arm 4211 of the locking member 42. The position limiting function achieved by the mutual cooperation of the position limiting guide rails 412 and the position limiting grooves 42111 makes it easier to assemble the locking member 42, and the installation direction is more accurate. The holding seat 421 of the locking member 42 accurately clamps the positioning protrusion 411, allowing the locking member 42 to be firmly and accurately mounted at a predetermined position on the holding frame 41, thereby improving the connection stability between the adapter plug 3 and the socket body 2. Optionally, the holding frame 41 has a second engagement protrusion 413 located between two adjacent ones of the position limiting guide rails 412 and configured to limit the displacement of the locking member 42, and the surface of the first holding arm 4211 has a protruding second hook 42112 configured to snap into connection with the second engagement protrusion 413, and the snap connection between the second engagement protrusion 413 and the second hook 42112 further improves the stability of the connection between the locking member 42 and the engagement frame 41, and the adapter plug 3 is firmly installed in the mating installation groove 221 of the socket body 2.

[0034] The above description only describes the preferred embodiments of the present invention, and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present invention shall fall within the protection scope of the present invention. [Explanation of symbols]

[0035] 1 … Charging socket 2...Socket body 21 … Charging end 22...Conversion end 221 ... Alignment installation groove 222 … Reservation Groove 223 ... First position limiting structure 23...Terminal receiving cavity 24 … Charging terminal 3 … Adapter plug 31 ... Adapter housing 311 ... Second position limiting structure 312 … Position restriction area 3121 ... Seal ring 313 ... First through hole 314 ... Second through hole 315 ... First engagement protrusion 32...Conversion terminal 4...Engagement assembly 41 ... Engagement frame 411 ... Position limiting protrusion 412 ... Position limit guide rail 413 ... Second engagement protrusion 42 … Locking member 421 … Holding seat 4211 ... First holding arm 42111 ... Position limiting groove 42112 ... Second hook 4212 ... Second holding arm 422 ... First Hook

Claims

1. A socket body is provided. the socket body includes a charging end configured to connect to a charging plug, a conversion end configured to connect to a battery pack, and a terminal-accommodating cavity communicating with the charging end and the conversion end; the conversion end is provided with a mating installation groove configured to receive an adapter plug and to be pluggably connected to the adapter plug; the socket body includes a position limiting element located in the mating installation groove and configured to limit displacement of the adapter plug in the mating installation groove; the position limiting element comprises a first position limiting structure protruding from the socket body and arranged on a bottom surface of the mating installation groove, and a peripheral side wall of the adapter plug extends toward the socket body and surrounds a second position limiting structure protruding from the bottom surface of the adapter plug, forming a position limiting area configured to be more compatible with the first position limiting structure.

2. The charging socket according to claim 1 , wherein a seal ring is provided in the position limiting area, and the seal ring is disposed between the first position limiting structure and the second position limiting structure.

3. 2. The charging socket according to claim 1, further comprising a charging terminal disposed in a terminal-accommodating cavity of the socket body, one end of the charging terminal being connected to a mating terminal of the charging plug, and the other end of the charging terminal being connected to an adapter plug.

4. 4. The charging socket according to claim 1, further comprising an adapter plug detachably connected to the socket body, the adapter plug being pluggably connected to the socket body.

5. 5. The charging socket according to claim 4, wherein the adapter plug comprises an adapter housing and a conversion terminal disposed in the adapter housing, one end of the conversion terminal being connected to the charging terminal and the other end of the conversion terminal being electrically connected to the battery pack.

6. 6. The charging socket according to claim 5, wherein a first through hole is provided on the bottom surface of the adapter housing, through which the charging terminal passes and into which the conversion terminal is axially pluggably connected, and the shape of the first through hole is adapted to the cross-sectional shape of the conversion terminal.

7. 6. The charging socket according to claim 5, wherein a second through-hole configured to be passed by the conversion terminal and connected to the battery pack is provided on the top surface of the adapter housing.

8. 6. The charging socket of claim 5, further comprising an engagement assembly configured to detachably connect the socket body and the adapter plug, the engagement assembly comprising an engagement frame disposed on a side wall of the adapter housing and a locking member inserted into the engagement frame.

9. 9. The charging socket according to claim 8, wherein the socket body is provided with a reserved groove configured to fit the engagement frame, the reserved groove being arranged in communication with the mating installation groove, and the locking member is arranged so as to be pluggable into the reserved groove and interengages with a first engagement protrusion protruding from the surface of the adapter housing.

10. 10. The charging socket of claim 9, wherein the engagement frame is provided with a positioning protrusion, the locking member has a retaining seat configured to sandwich the positioning protrusion, the retaining seat having a first retaining arm and a second retaining arm spaced apart from the first retaining arm, and a retaining area formed between the first retaining arm and the second retaining arm that is configured to be fitted by the positioning protrusion.

11. The charging socket according to claim 10, wherein the locking member further comprises a first hook fixedly connected to the first holding arm, the first hook and the first engagement protrusion engaging with each other.

12. 11. The charging socket according to claim 10, wherein the engagement frame includes a plurality of position limiting guide rails configured to limit the movement direction of the locking member, the plurality of position limiting guide rails being arranged parallel to one another, and the surface of the first holding arm is recessed to form position limiting grooves that fit into the position limiting guide rails.

13. 13. The charging socket according to claim 12, wherein the engagement frame includes a second engagement protrusion positioned between two adjacent ones of the position limiting guide rails and configured to limit displacement of the locking member, and a surface of the first holding arm is formed with a protruding second hook that is snap-connected with the second engagement protrusion.

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