CN219123940U - Charging device - Google Patents

Abstract

The application discloses a charging device. The charging device comprises a shell, a main board assembly, a pin assembly and a first sealing member, wherein the shell comprises a first wall, a second wall and an end opening, the first wall and the second wall enclose together to form the end opening, the pin assembly comprises a support, a fixing member and a pin, the support comprises a body part and an assembling part, the body part is tightly attached to the shell to close the end opening, the assembling part is tightly attached to the first wall, the fixing member is tightly attached to the second wall, the first sealing member comprises a body sealing part, an assembling sealing part and a fixing sealing part, the body sealing part is arranged between the body part and the shell, the assembling sealing part is arranged between the assembling part and the first wall, and the fixing sealing part is arranged between the fixing member and the second wall. According to the charging device, the outside liquid is blocked to enter the charging device through the pin assembly, the liquid is prevented from contacting with the main board assembly, and the charging device has good sealing performance and low cost.

Description

Charging device

Technical Field

The application relates to the field of charging, in particular to a charging device.

Background

With the development of technology, electronic devices have become popular, and functions of the electronic devices are increasing. Typically, the electronic device is charged by a charging device. The current charging device rarely has sealing waterproof performance.

Accordingly, in view of the above-described situation, there is a need to provide a charging device to at least partially solve the problems existing therein.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the present application is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used to determine the scope of the claimed subject matter.

To at least partially solve the above-mentioned problem, the present application discloses a charging device, the charging device includes a housing, a main plate assembly, a pin assembly and a first sealing member, the housing includes first wall, second wall and end opening, first wall and second wall are relative to each other along first direction, first wall and second wall enclose jointly and form end opening, the main plate assembly is located in the housing, the pin assembly includes a support, fixed member and a pin, the support includes body portion and assembly portion, body portion and housing closely laminate in order to seal end opening, assembly portion and first wall closely laminate, fixed member is connected to assembly portion, fixed member and second wall closely laminate, a portion of pin is located between support and fixed member, the pin is connected with main plate assembly electricity, first sealing member includes body sealing portion, assembly sealing portion and fixed sealing portion, body sealing portion is located between body portion and the housing, assembly sealing portion is located between assembly portion and first wall, fixed sealing portion is located between fixed member and the second wall.

According to the charging device of the application, the inside of the charging device is sealed and waterproof, the first sealing member is arranged between the pin assembly and the shell, the main board assembly is sealed to the inside of the shell, external liquid is blocked from entering the inside of the charging device through the pin assembly, the liquid is prevented from contacting with the main board assembly, and the charging device has good sealing performance and low cost.

As an alternative embodiment, the body portion includes a body side surface and a body end surface, the body end surface facing away from the fitting portion, the body side surface being disposed around the body end surface, the body side surface having a body seal groove in which the body seal portion is disposed. Thereby, assembling the body seal portion is facilitated.

As an alternative embodiment, the fitting portion protrudes from the body portion in a second direction toward the main board assembly, the fitting sealing portion protrudes from the body sealing portion in the second direction toward the main board assembly, the fitting portion has a fitting sealing groove, the fitting sealing groove is communicated with the body sealing groove, the fitting sealing groove is provided therein, and the second direction intersects with the first direction. Thereby, the mounting and assembling of the sealing portion is facilitated.

As an alternative embodiment, the fixing seal portion protrudes from the body seal portion in the second direction toward the main board assembly, the fixing member has a fixing seal groove, the fixing seal groove is communicated with the body seal groove, and the fixing seal portion is provided in the fixing seal groove. Thereby, the assembling of the fixed seal portion is facilitated.

As an alternative embodiment, the fixing member further has a connection hole, the fixing seal groove has a first arc portion located at a side of the connection hole, and the fixing seal portion has a second arc portion disposed in the first arc portion. Like this, first arc portion plays limiting displacement to second arc portion, guarantees the leakproofness.

As an alternative embodiment, the pin assembly further comprises a first pin spring and a second pin spring, the pin comprises a first pin, a second pin and a connecting shaft, the connecting shaft connects the first pin and the second pin, the pin can move between an energized position and a de-energized position,

the first foot part positioned at the power-on position is propped against the first pin elastic sheet, the second foot part positioned at the power-on position is propped against the second pin elastic sheet,

the first leg in the de-energized position is spaced apart from the first pin dome and the second leg in the de-energized position is spaced apart from the second pin dome.

As an alternative embodiment, the first pin spring has a first connection end electrically connected to the main board assembly, and the second pin spring has a second connection end electrically connected to the main board assembly, and the first connection end and the second connection end are located on the same side. Thereby facilitating electrical connection with the motherboard assembly.

As an alternative embodiment, the fitting portion has a first protrusion and a second protrusion protruding toward the fixing member, the first pin elastic piece further has a first positioning hole, the second pin elastic piece has a second positioning hole, the first protrusion is inserted into the first positioning hole, and the second protrusion is inserted into the second positioning hole. According to the scheme, the assembly part can position the first pin elastic piece and the second pin elastic piece.

As an alternative embodiment, the fitting part further has a spacing member protruding toward the fixing member, the spacing member being located at a side of the second protrusion to separate the first pin dome and the second pin dome. Thereby, the insulation performance is improved.

As an alternative embodiment, the charging device further comprises a second sealing member located between the bracket and the fixing member. According to the scheme, the sealing performance is improved.

As an alternative embodiment, the charging device further comprises a third sealing member, the main board assembly comprises an electrical connection member, the third sealing member is disposed around the electrical connection member, and the third sealing member is located between the electrical connection member and the housing. According to the scheme, the sealing performance is improved.

As an alternative embodiment, the fixing member has a locking structure, and the fitting portion has a mating structure, and the locking structure is locked with the mating structure. In this way, the fixing member and the fitting portion are facilitated to be connected.

Drawings

The following drawings of embodiments of the present application are included to provide an understanding of the present application as part of the present application. Embodiments of the present application and descriptions thereof are shown in the drawings to explain the principles of the present application. In the drawings of which there are shown,

fig. 1 is an exploded schematic view of a charging device according to a preferred embodiment of the present application;

FIG. 2 is another exploded view of the charging device shown in FIG. 1;

FIG. 3 is an exploded view of the pin assembly shown in FIG. 1;

FIG. 4 is a schematic top view of the charging device shown in FIG. 1;

FIG. 5 is a schematic front view of the charging device shown in FIG. 1;

FIG. 6 is a schematic cross-sectional view of the charging device shown in FIG. 5;

FIG. 7 is a schematic perspective view of a pin assembly according to a preferred embodiment of the present application;

FIG. 8 is a bottom schematic view of the bracket of the pin assembly of FIG. 7;

FIG. 9 is another bottom schematic view of the stand of FIG. 8;

FIG. 10 is a bottom schematic view of the securing member of the pin assembly of FIG. 7;

FIG. 11 is a bottom schematic view of the pin assembly of FIG. 7, wherein the securing member is omitted; and

fig. 12 is a schematic top view of the pin assembly of fig. 7, with the carrier omitted.

Reference numerals illustrate:

100: charging device 101: motherboard assembly

102: the electrical connection member 110: shell body

111: first wall 112: a second wall

113: end opening 114: third wall

120: pin assembly 130: support frame

131: body portion 132: fitting part

133: body side surface 134: body end surface

135: body seal groove 136: assembly seal groove

137: first protrusion 138: second protrusion

139: the spacer member 140: matching structure

150: the fixing member 151: fixed seal groove

152: clamping structure 153: axle seat

154: first arc portion 161: first connecting piece

162: second connector 163: first connecting hole

164: the second connection hole 170: first sealing member

171: body seal 172: assembling seal part

173: fixed seal 174: a second arc-shaped part

175: the second sealing member 176: third sealing member

180: pins 181: first foot part

182: second foot 183: connecting shaft

191: the first pin spring 192: second pin spring piece

193: first connection end 194: second connecting end

195: first positioning hole 196: second positioning hole

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. However, it will be apparent to one skilled in the art that embodiments of the present application may be practiced without one or more of these details. In other instances, some features that are well known in the art have not been described in order to avoid obscuring the embodiments of the present application.

In order to provide a thorough understanding of the embodiments of the present application, a detailed structure will be presented in the following description. It will be apparent that embodiments of the present application may be practiced without limitation to the specific details that are set forth by those skilled in the art.

The present application provides a charging device 100 capable of better protecting an internal wiring, thereby improving operability, waterproofness, and durability of the charging device 100.

Referring first to fig. 1 and 2, a charging device 100 according to the present application includes a main board assembly 101 and a housing 110. The housing 110 can be made of metal or plastic. The housing 110 may be constructed in a rectangular hollow structure so as to accommodate the main board assembly 101. Specifically, the housing 110 includes a first wall 111, a second wall 112, and an end opening 113, the first wall 111 and the second wall 112 being disposed opposite to each other in the first direction D1. The first direction D1 may be substantially parallel to the thickness direction of the charging device 100. The first wall 111 and the second wall 112 may be joined together by welding. Alternatively, the first wall 111 and the second wall 112 may be fixed together by means of laser welding.

The first wall 111 and the second wall 112 may form a hollow cavity. The first wall 111 and the second wall 112 together enclose an end opening 113. The end opening 113 may be located at one end of the case 110 in the second direction D2. The second direction D2 may intersect the first direction D1. Preferably, the second direction D2 may be perpendicular to the first direction D1. The second direction D2 may be substantially parallel to the length direction of the charging device 100. The end opening 113 is located at one end of the first wall 111 in the second direction D2. The end opening 113 is located at one end of the second wall 112 in the second direction D2. The end opening 113 is opened in the second direction D2 so that the inside and the outside of the case 110 communicate.

The main board assembly 101 is located in the housing 110, and the main board assembly 101 is used for directly or indirectly electrically connecting with the charged device to supply power thereto. The main board assembly 101 may be coupled to the housing 110 by ultrasonic fastening. Alternatively, the main board assembly 101 includes an electrical connection member 102, and the electrical connection member 102 may be used to electrically connect with the charged device. For example, the electrical connection member 102 may be a DC interface to effectively output a fixed voltage after converting an input voltage.

In order to enable the motherboard assembly 101 to have an electric power, the charging device 100 further includes a pin assembly 120, and the pin assembly 120 is electrically connected to the motherboard assembly 101. The pin assembly 120 is used for connecting with an external power source, so that the external power source supplies power to the motherboard assembly 101. The pin assembly 120 may be ultrasonically secured to the housing 110. The pin assembly 120 is specifically configured as shown in fig. 2 and 3, and the pin assembly 120 includes a bracket 130, a fixing member 150, and pins 180, the pins 180 being used for connection with an external power source. The bracket 130 and the fixing member 150 are connected with the pins 180 so that the pins 180 can be mounted to the housing 110. Specifically, a portion of the pins 180 is positioned between the bracket 130 and the securing member 150 to retain the pins 180 to the pin assembly 120. The pins 180 are also electrically connected to the motherboard assembly 101 to provide power to the motherboard assembly 101.

The bracket 130 can close the end opening 113. The bracket 130 may be made of a nonmetallic material such as plastic. Specifically, as shown in fig. 3 and 8, the bracket 130 includes a body portion 131, and the body portion 131 may be configured in a substantially plate-like structure. The width direction of the body portion 131 may be substantially parallel to the first direction D1. The thickness direction of the body portion 131 may be substantially parallel to the second direction D2. The length direction of the body 131 may be substantially parallel to the width direction of the charging device 100.

The shape and size of the body portion 131 substantially matches the end opening 113. The body portion 131 may be located in the end opening 113 and closely fit with the housing 110. In particular, the body portion 131 may be in close proximity to both the first wall 111 and the second wall 112 forming the end opening 113. Thereby, the body portion 131 may close the end opening 113 to separate the inside and the outside of the case 110, thereby enhancing the sealability of the charging device 100.

The bracket 130 further includes a fitting portion 132, and the fitting portion 132 is closely fitted to the first wall 111 to enhance sealability of the charging device 100. The fitting portion 132 is constructed in a substantially plate-like structure. The fitting portion 132 may be integrally formed with the body portion 131. The fitting portion 132 may be vertically connected to the body portion 131. The thickness direction of the fitting portion 132 may be substantially parallel to the first direction D1. The size of the fitting portion 132 in the first direction D1 may be smaller than the size of the body portion 131. The lengthwise direction of the fitting portion 132 may be substantially parallel to the second direction D2. The width direction of the fitting portion 132 may be substantially parallel to the width direction of the charging device 100. The dimension of the fitting portion 132 in the width direction of the charging device 100 may be smaller than the dimension of the body portion 131.

As shown in fig. 7 and 10, the fixing member 150 is connected to the fitting portion 132. The fixing member 150 may be configured in a substantially plate-like structure. The thickness direction of the fixing member 150 is substantially parallel to the first direction D1. The length direction of the fixing member 150 may be substantially parallel to the second direction D2. The width direction of the fixing member 150 may be substantially parallel to the width direction of the charging device 100.

The fixing member 150 and the fitting portion 132 may be arranged side by side in the first direction D1. The sum of the dimension of the fixing member 150 in the first direction D1 and the dimension of the fitting portion 132 is substantially equal to the dimension of the body portion 131. As shown in fig. 6, the fixing member 150 is closely fitted with the second wall 112 to enhance the sealability of the charging device 100. As shown in fig. 3 and 7, the body portion 131 is located laterally of the fitting portion 132 and the fixing member 150 in the second direction D2. The fitting portion 132 and the fixing member 150 are closer to the main board assembly 101 than the body portion 131. Preferably, a portion of the pins 180 is located between the fitting portion 132 and the fixing member 150 to facilitate the electrical connection of the pins 180 with the motherboard assembly 101.

To enhance sealability, in the embodiment shown in fig. 2, the charging device 100 further includes a first sealing member 170, the first sealing member 170 for sealing a gap between the pin assembly 120 and the case 110. The first sealing member 170 may be integrally injection molded with the bracket 130. As shown in fig. 3, the first sealing member 170 includes a body sealing portion 171, a fitting sealing portion 172, and a fixed sealing portion 173. The body seal portion 171 is located laterally of the fitting seal portion 172 and the fixed seal portion 173 in the second direction D2. The fitting seal portion 172 and the fixed seal portion 173 are closer to the main board assembly 101 than the body seal portion 171 in the second direction D2.

The body sealing part 171 is located between the body part 131 and the case 110 to seal a gap between the body part 131 and the case 110, thereby isolating the inside of the case 110 from the outside, with good sealability. A portion of the body sealing portion 171 is located between the body portion 131 and the first wall 111 to seal a gap between the body portion 131 and the first wall 111. Another portion of the body sealing portion 171 is located between the body portion 131 and the second wall 112 to seal a gap between the body portion 131 and the second wall 112.

The fitting sealing portion 172 is located between the fitting portion 132 and the first wall 111 to seal a gap between the fitting portion 132 and the first wall 111, thereby isolating the inside of the case 110 from the outside, with good sealability. The fitting sealing portion 172 is located between the fitting portion 132 and the first wall 111 in the first direction D1. The fitting seal portion 172 is configured in a substantially annular structure. The fitting sealing portion 172 is connected to the body sealing portion 171. Thus, the sealing performance is good.

The fixing seal 173 is located between the fixing member 150 and the second wall 112 to seal a gap between the fixing member 150 and the second wall 112, thereby isolating the inside of the case 110 from the outside, with good sealability. The fixed seal 173 is located between the fixed member 150 and the second wall 112 along the first direction D1. The fixed seal 173 is spaced apart from the fitting seal 172 in the first direction D1. The fixed seal portion 173 is configured in a substantially annular structure. Alternatively, the fixed sealing part 173 is connected to the body sealing part 171. Thus, the sealing performance is good.

Thus, the inside of the charging device 100 is sealed and waterproof, and the main board assembly 101 is sealed to the inside of the housing 110 by the pin assembly 120, so that the liquid is prevented from contacting the main board assembly 101, and poor contact of the charging device 100 is avoided.

According to the charging device 100 of the present application, the charging device 100 includes a housing 110, a main board assembly 101, a pin assembly 120, and a first sealing member 170, the housing 110 includes a first wall 111, a second wall 112, and an end opening 113, the first wall 111 and the second wall 112 are disposed opposite to each other along a first direction D1, the first wall 111 and the second wall 112 together enclose the end opening 113, the main board assembly 101 is located in the housing 110, the pin assembly 120 includes a bracket 130, a fixing member 150, and a pin 180, the bracket 130 includes a body portion 131 and a fitting portion 132, the body portion 131 is tightly fitted with the housing 110 to close the end opening 113, the fitting portion 132 is tightly fitted with the first wall 111, the fixing member 150 is connected to the fitting portion 132, the fixing member 150 is tightly fitted with the second wall 112, a portion of the pin 180 is located between the bracket 130 and the fixing member 150, the pin 180 is electrically connected with the main board assembly 101, the first sealing member 170 includes a body sealing portion 171, a fitting sealing portion 172, and a fixing sealing portion 173, the body sealing portion 171 is located between the body portion 131 and the housing 110, the fitting sealing portion 172 is located between the fitting portion 132 and the first wall 111, and the fixing member 150 is located between the fixing member 150 and the fixing member 112. Therefore, the charging device 100 is sealed and waterproof, the first sealing member 170 is arranged between the pin assembly 120 and the housing 110, the main board assembly 101 is sealed inside the housing 110, external liquid is blocked from entering the charging device 100 through the pin assembly 120, the liquid is prevented from contacting the main board assembly 101, good sealing performance is achieved, and cost is low.

Further, the body portion 131 includes a body side surface 133 and a body end surface 134, the body end surface 134 facing away from the fitting portion 132. The body end surface 134 faces away from the mounting portion 132 in the second direction D2. The body end surface 134 faces the exterior of the housing 110. The shape of the body end surface 134 matches the shape of the end opening 113. The body side surface 133 is disposed around the body end surface 134. The body side surface 133 faces the first wall 111 and the second wall 112. The body side surface 133 is in close contact with the first wall 111. The body side surface 133 also closely conforms to the second wall 112.

The body side surface 133 has a body seal groove 135, the body seal groove 135 being disposed around the body end surface 134. The opening direction of the body seal groove 135 faces the case 110. A body seal 171 is provided in the body seal groove 135. The body seal 171 may be embedded in the body seal groove 135. Preferably, the body seal 171 may be interference fit with the body seal groove 135. The body seal 171 may also be an interference fit with the housing 110. As an alternative embodiment, body seal 171 is an interference fit with first wall 111 and body seal 171 is an interference fit with second wall 112. Thereby, the body seal portion 171 can seal the gap between the body portion 131 and the housing 110.

The fitting portion 132 protrudes from the body portion 131 in the second direction D2 toward the main board assembly 101. Thereby facilitating connection of pins 180 with motherboard assembly 101. The fitting sealing portion 172 protrudes from the body sealing portion 171 in the second direction D2 toward the main board assembly 101 so as to be fitted to the fitting portion 132. The fitting portion 132 has a fitting seal groove 136, and the fitting seal groove 136 is provided along an edge of the fitting portion 132 to match the shape of the fitting portion 132, thereby securing sealability. The opening direction of the fitting seal groove 136 is toward the first wall 111. Preferably, the opening direction of the fitting seal 172 is toward the first wall 111 in the first direction D1.

The fitting seal groove 136 is provided therein with a fitting seal portion 172. The fitting seal 172 may be embedded into the fitting seal groove 136. Preferably, the fitting seal 172 may be an interference fit with the fitting seal groove 136. The fitting seal 172 is an interference fit with the first wall 111. Thereby, the fitting seal portion 172 can seal the gap between the fitting portion 132 and the housing 110.

The fitting seal groove 136 communicates with the body seal groove 135. In this way, the fitting seal portion 172 and the body seal portion 171 can be integrally formed, so that the first seal member 170 can enter the fitting seal groove 136 via the body seal groove 135, improving the sealing performance.

The fixing seal 173 protrudes from the body seal 171 in the second direction D2 toward the main board assembly 101 so as to be fitted to the fixing member 150. As shown in fig. 10, the fixing member 150 has a fixing seal groove 151, and the fixing seal groove 151 is provided along an edge of the fixing member 150 to match the shape of the fixing member 150, thereby securing sealability. The opening direction of the fixed seal groove 151 faces the second wall 112. The opening direction of the fixed seal groove 151 is opposite to the opening direction of the fitting seal groove 136. Preferably, the opening direction of the fixed seal portion 173 is toward the second wall 112 along the first direction D1.

The fixed seal groove 151 is provided with a fixed seal portion 173. The fixed seal 173 may be embedded in the fixed seal groove 151. Preferably, the fixed seal 173 may be interference-fitted with the fixed seal groove 151. The stationary seal 173 is in an interference fit with the second wall 112. Thereby, the fixing seal portion 173 can seal the gap between the fixing member 150 and the housing 110.

The fixed seal groove 151 communicates with the body seal groove 135. In this way, the fixed seal portion 173 and the body seal portion 171 can be integrally formed, so that the first seal member 170 can enter the fixed seal groove 151 via the body seal groove 135, improving the sealing performance.

In order to facilitate connection between the fixing member 150 and the fitting portion 132, as shown in fig. 7, 8 and 10, the fixing member 150 has a locking structure 152, and the fitting portion 132 has a mating structure 140, where the locking structure 152 is locked with the mating structure 140. Preferably, the snap features 152 may be configured as snaps and the mating features 140 may be configured as ribs. The rib may be located at a side surface of the fitting portion 132. The rib may protrude outward from a side surface of the fitting portion 132. The snap and rib may snap together such that the securing member 150 and the fitting portion 132 are coupled together.

The fixing member 150 may have a plurality of clamping structures 152, and each of the plurality of clamping structures 152 may be connected to the mating structure 140, thereby ensuring firm connection. Both side surfaces of the fitting portion 132 in the width direction of the charging device 100 may have a rib. The plurality of engaging structures 152 may also be disposed opposite each other in the width direction of the charging device 100. The plurality of clamping structures 152 can be respectively clamped with the convex edges of the two side surfaces so as to further ensure the connection strength.

Preferably, in order to improve the stability of the connection of the fixing member 150 and the fitting portion 132, the charging device 100 further includes a connector connecting the fixing member 150 and the fitting portion 132. The connection element may be configured as a screw. The fixing member 150 has a connection hole, and the fitting portion 132 has a fitting hole, the connection hole and the fitting hole being disposed opposite to each other in the first direction D1. The connection member connects the connection hole and the fitting hole together, thereby connecting the fixing member 150 and the fitting portion 132 together.

In order to secure the connection strength, as shown in fig. 2, 3 and 12, the charging device 100 includes two connection members (a first connection member 161 and a second connection member 162), and the first connection member 161 and the second connection member 162 are arranged at intervals along the second direction D2. As shown in fig. 10, the fixing member 150 has a first connection hole 163 and a second connection hole 164. The first connection member 161 is connected with the first connection hole 163. The second connection member 162 is connected with the second connection hole 164. Thus, the first connector 161 and the second connector 162 play a limiting role on the fixing member 150 and the fitting portion 132, and prevent the fixing member 150 and the fitting portion 132 from moving relatively.

To avoid the second connection hole 164, the fixed sealing groove 151 has a first arc portion 154, and the first arc portion 154 is located at a side of the second connection hole 164. Accordingly, as shown in fig. 3, the fixed seal portion 173 has a second arc-shaped portion 174, and the second arc-shaped portion 174 is disposed in the first arc-shaped portion 154. The shape of the second arcuate portion 174 matches the shape of the first arcuate portion 154. Therefore, the first arc-shaped part 154 plays a limiting role on the second arc-shaped part 174, so that the tightness between the fixed sealing part 173 and the fixed sealing groove 151 is ensured, and the fixed sealing part 173 is prevented from moving in the fixed sealing groove 151.

As a preferred embodiment, the pins 180 are foldable. The relative angle between the pins 180 and the housing 110 is adjustable. As shown in fig. 3, the pin 180 includes a first leg 181, a second leg 182, and a connection shaft 183, and the connection shaft 183 connects the first leg 181 and the second leg 182. The first leg 181 and the second leg 182 are spaced apart in the width direction of the charging device 100. The end of the first leg 181 is connected to a connecting shaft 183. The first leg 181 may be made of a metallic material. Alternatively, the first leg portion 181 and the connecting shaft 183 may be integrally formed by injection molding. The end of the second leg 182 is connected to the connecting shaft 183. The second leg 182 may be made of a metallic material. Alternatively, the second leg 182 and the connecting shaft 183 may be integrally molded by injection molding.

As shown in fig. 2, the pin assembly 120 further includes a first pin spring 191 and a second pin spring 192, and each of the first pin spring 191 and the second pin spring 192 may be made of metal. The first pin spring 191 is located below the first leg 181 along the first direction D1, and the second pin spring 192 is located below the second leg 182 along the first direction D1. As shown in fig. 12, the fixing member 150 further has an axle seat 153, and the axle seat 153 is located between the first pin spring 191 and the second pin spring 192 along the width direction of the charging device 100. The shaft seat 153 is used for supporting the connecting shaft 183.

The pins 180 are movable between an energized position and a de-energized position. As shown in fig. 3, 4 and 5, the length direction of the first leg portion 181 at the energized position may be substantially parallel to the first direction D1. The first leg portion 181 located at the energized position may protrude from the housing 110 in the first direction D1. The first leg 181 in the energized position may be connected to an external power source. The length direction of the first leg portion 181 at the power-off position may be substantially parallel to the second direction D2.

The first leg portion 181 located at the power-on position abuts against the first pin elastic piece 191, so that the electric quantity of the first leg portion 181 can be transferred to the first pin elastic piece 191. Preferably, the first pin dome 191 may be configured in a substantially L-shape. The first pin spring 191 has a first elastic portion, and the first elastic portion is located below the first leg 181 along the first direction D1, so as to be abutted against the first leg 181. The first leg portion 181 located at the energized position may abut against the first elastic portion. The first leg portion 181 located at the energized position applies a force to the first elastic portion, so that the first elastic portion can be elastically deformed. The first elastic portion may apply an elastic force to the first foot portion 181 so that the first foot portion 181 in the energized position moves to the de-energized position.

The first leg 181 located at the power-off position may protrude from the housing 110 in the second direction D2 so as to move the first leg 181. The first leg 181 in the power-off position is spaced apart from the first pin spring 191 to prevent the electric power from entering the first pin spring 191 through the first leg 181 in the power-off position.

The length direction of the second leg 182 at the energized position may be substantially parallel to the first direction D1. The second leg 182 in the energized position may protrude from the housing 110 in the first direction D1. The second leg 182 in the energized position may be connected to an external power source.

The second leg 182 in the energized position abuts against the second pin dome 192, thereby enabling the electrical power of the second leg 182 to be transferred to the second pin dome 192. Preferably, the second pin dome 192 may be configured in a generally L-shape. The second pin elastic piece 192 has a second elastic portion, and the second elastic portion is located below the second leg 182 along the first direction D1, so as to be abutted against the second leg 182. The second leg 182 in the energized position may be against the second resilient portion. The second leg 182 in the energized position applies a force to the second elastic portion so that the second elastic portion can be elastically deformed. The second resilient portion may exert a resilient force on the second leg 182 to facilitate movement of the second leg 182 in the energized position to the de-energized position.

The length direction of the second leg 182 in the power-off position may be substantially parallel to the second direction D2. The second leg 182 in the power-off position may protrude from the housing 110 in the second direction D2 to facilitate moving the second leg 182. The second leg 182 in the de-energized position is spaced apart from the second pin dome 192 to prevent electrical power from entering the second pin dome 192 through the second leg 182 in the de-energized position.

The first pin spring 191 further has a first connection end 193, and the first connection end 193 is electrically connected to the motherboard assembly 101. The first connection terminal 193 may be electrically connected to the main board assembly 101 through a spring sheet or a wire. The second pin spring 192 has a second connection end 194, and the second connection end 194 is electrically connected to the motherboard assembly 101. The second connection end 194 may be electrically connected to the motherboard assembly 101 through a spring or wire.

The first pin spring 191 has a first elastic portion and a first connection end 193 at both ends thereof. The two ends of the second pin elastic piece 192 are respectively provided with a second elastic part and a second connecting end 194. To facilitate welding, the first connection end 193 and the second connection end 194 are located on the same side, thereby facilitating welding gun operation.

As an alternative embodiment, as shown in fig. 8 and 9, the fitting portion 132 further has a first protrusion 137, the first protrusion 137 protruding toward the fixing member 150. The first protrusion 137 protrudes toward the fixing member 150 in the first direction D1. As shown in fig. 3, the first pin dome 191 further has a first positioning hole 195, and the position of the first positioning hole 195 corresponds to the position of the first protrusion 137. As shown in fig. 11, the first protrusion 137 is inserted into the first positioning hole 195 to position the first pin dome 191, thereby ensuring the position of the first pin dome 191 and ensuring that the first foot portion 181 located at the power-on position is accurately abutted against the first pin dome 191.

The fitting portion 132 also has a second protrusion 138, and the second protrusion 138 protrudes toward the fixing member 150. The second protrusion 138 protrudes toward the fixing member 150 in the first direction D1. The second pin spring 192 further has a second positioning hole 196, and the position of the second positioning hole 196 corresponds to the position of the second protrusion 138. The second protrusion 138 is inserted into the second positioning hole 196 to position the second pin elastic piece 192, thereby ensuring the position of the second pin elastic piece 192 and ensuring that the second foot 182 in the energized position is accurately abutted against the second pin elastic piece 192.

In order to prevent the first pin dome 191 from moving, the fitting portion 132 may have two first protrusions 137, and the two first protrusions 137 are spaced apart in the second direction D2. The first pin spring 191 has two first positioning holes 195, and the two first positioning holes 195 are spaced apart along the second direction D2. The two first protrusions 137 are respectively inserted into the two first positioning holes 195 along the first direction D1, so as to prevent the first pin spring 191 from swinging.

In order to prevent the second pin dome 192 from moving, the fitting portion 132 further has a spacing member 139, the spacing member 139 protruding toward the fixing member 150. The spacing member 139 is located laterally of the second projection 138. The spacing member 139 is disposed at a spacing from the second projection 138 in the second direction D2. As shown in fig. 11, the second pin dome 192 is located laterally of the spacing member 139. The spacing member 139 can restrict the second pin dome 192 from swinging. The spacing member 139 may be made of an insulating material. The spacing member 139 is further located between the first pin spring 191 and the second pin spring 192 to separate the first pin spring 191 and the second pin spring 192, thereby avoiding the first pin spring 191 and the second pin spring 192 from contacting each other, ensuring the insulation performance of the first pin spring 191 and the second pin spring 192, and preventing a short circuit.

In order to further improve sealability, as shown in fig. 2, 6 and 11, the charging device 100 further includes a second sealing member 175, the second sealing member 175 being positioned between the bracket 130 and the fixing member 150. The second sealing member 175 is located between the bracket 130 and the fixing member 150 in the first direction D1. In particular, the second sealing member 175 is located between the fitting portion 132 and the fixing member 150 in the first direction D1. The second sealing member 175 is closely fitted to the fitting portion 132. The second sealing member 175 is also in close contact with the fixing member 150. Thereby, the second sealing member 175 seals the gap between the bracket 130 and the fixing member 150, thereby improving sealing performance.

As an alternative embodiment, as shown in fig. 2, the charging device 100 further includes a third sealing member 176, the third sealing member 176 being disposed around the electrical connection member 102. The third sealing member 176 may be configured in an annular structure. A third sealing member 176 is located between the electrical connection member 102 and the housing 110. Thereby, the third sealing member 176 can seal the gap between the electrical connection member 102 and the housing 110. In this way, the sealing structure is added around the DC interface, and the sealing performance is improved. The main board assembly 101 can be effectively sealed inside the case 110, and the third sealing member 176 and the case 110 can function to protect the main board assembly 101.

Optionally, as shown in fig. 6, the housing 110 further has a third wall 114, and the third wall 114 is connected to both the first wall 111 and the second wall 112. The third wall 114 is disposed opposite the end opening 113 in the second direction D2. The third wall 114 may be connected to the first wall 111 by ultrasonic welding. The third wall 114 may be connected to the second wall 112 by ultrasonic welding. The third wall 114 has a groove recessed in the second direction D2 in a direction away from the end opening 113. The third sealing member 176 is located in the groove. The third sealing member 176 may be an interference fit with the electrical connection member 102. The third seal member 176 can be an interference fit with the groove. The third sealing member 176 is capable of sealing a gap between the electrical connection member 102 and the recess. Thereby improving sealing performance.

Accordingly, the sealing member is arranged between the shell 110 and the main board assembly 101, the sealing member is arranged between the shell 110 and the pin assembly 120, and the sealing member is arranged inside the pin assembly 120, so that the sealing performance is good. Specifically, the first sealing member 170 is disposed between the pin assembly 120 and the housing 110, and blocks external liquid from entering the interior of the charging device 100 through the pin assembly 120, preventing the liquid from contacting the main board assembly 101. A third sealing member 176 is provided between the electrical connection member 102 and the housing 110 to prevent external liquid from entering the interior of the charging device 100 through the electrical connection member 102. A second sealing member 175 is provided between the bracket 130 and the fixing member 150, and has a good sealability. After the charging device 100 is assembled and fixed, the housing 110, the pin assemblies 120 and the sealing members seal the whole main board assembly 101, so that liquid can be effectively prevented from entering the internal main board.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the present application. Terms such as "disposed" or the like as used herein may refer to either one element being directly attached to another element or one element being attached to another element through an intermediate member. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.

The present application has been illustrated by the above embodiments, but it should be understood that the above embodiments are for the purpose of illustration and description only and are not intended to limit the present application to the embodiments described. Those skilled in the art will appreciate that many variations and modifications are possible in light of the teachings of this application, which variations and modifications are within the scope of what is claimed.

Claims (12)

1. A charging device, characterized in that the charging device comprises:

a housing comprising a first wall, a second wall, and an end opening, the first wall and the second wall being disposed opposite one another in a first direction, the first wall and the second wall collectively enclosing the end opening;

a motherboard assembly located in the housing;

a pin assembly, the pin assembly comprising:

a bracket including a body portion closely fitted with the housing to close the end opening, and an assembling portion closely fitted with the first wall;

a fixing member connected to the fitting portion, the fixing member being closely fitted with the second wall;

pins, a portion of which is located between the bracket and the fixing member, the pins being electrically connected with the main board assembly; and

a first sealing member comprising:

a body seal located between the body portion and the housing;

a fitting seal located between the fitting and the first wall; and

a stationary seal portion located between the stationary member and the second wall.

2. The charging device of claim 1, wherein the body portion includes a body side surface and a body end surface, the body end surface facing away from the mounting portion, the body side surface disposed about the body end surface, the body side surface having a body seal groove in which the body seal is disposed.

3. The charging device according to claim 2, wherein the fitting portion protrudes from the body portion in a direction toward the main board assembly in a second direction, the fitting sealing portion protrudes from the body sealing portion in the direction toward the main board assembly in the second direction, the fitting portion has a fitting seal groove that communicates with the body seal groove, the fitting seal portion is provided in the fitting seal groove, and the second direction intersects the first direction.

4. The charging device according to claim 2, wherein the fixed seal portion protrudes from the body seal portion in a second direction toward the main board assembly, the fixed member has a fixed seal groove that communicates with the body seal groove, and the fixed seal portion is provided in the fixed seal groove.

5. The charging device of claim 4, wherein the stationary member further has a connection hole, the stationary seal groove has a first arcuate portion located laterally of the connection hole, the stationary seal portion has a second arcuate portion disposed in the first arcuate portion.

6. The charging device of claim 1, wherein the pin assembly further comprises a first pin dome and a second pin dome, the pin comprising a first pin, a second pin, and a connecting shaft connecting the first pin and the second pin, the pin being movable between an energized position and a de-energized position,

the first foot part positioned at the power-on position is propped against the first pin elastic sheet, the second foot part positioned at the power-on position is propped against the second pin elastic sheet,

the first leg in the de-energized position is spaced apart from the first pin dome and the second leg in the de-energized position is spaced apart from the second pin dome.

7. The charging device of claim 6, wherein the first pin dome has a first connection end electrically connected to the motherboard assembly, the second pin dome has a second connection end electrically connected to the motherboard assembly, and the first connection end and the second connection end are on the same side.

8. The charging device according to claim 6, wherein the fitting portion has a first projection and a second projection projecting toward the fixing member, the first pin dome further has a first positioning hole, the second pin dome has a second positioning hole, the first projection is inserted into the first positioning hole, and the second projection is inserted into the second positioning hole.

9. The charging device according to claim 8, wherein the fitting portion further has a spacing member protruding toward the fixing member, the spacing member being located laterally of the second projection to separate the first pin dome and the second pin dome.

10. The charging device of claim 1, further comprising a second sealing member located between the bracket and the securing member.

11. The charging device of claim 1, further comprising a third sealing member, wherein the motherboard assembly includes an electrical connection member, wherein the third sealing member is disposed around the electrical connection member, and wherein the third sealing member is located between the electrical connection member and the housing.

12. The charging device according to claim 1, wherein the fixing member has a snap-fit structure, and the fitting portion has a mating structure, and the snap-fit structure is snapped with the mating structure.

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