CN216852645U - Charging device - Google Patents

Abstract

The utility model discloses a charger belongs to electron device technical field. The charger includes: the glue filling device comprises a face shell and a base, wherein the face shell is provided with a glue filling hole, the base is arranged at the bottom of the face shell and is provided with a pin hole, the base is also provided with an accommodating cavity, the top of the accommodating cavity is opened, and the pin hole is positioned at the bottom of the accommodating cavity; the pin upper cover is buckled above the accommodating cavity and is hermetically connected with the base, the pin upper cover, the base and the face shell jointly define a mounting cavity, and a main board assembly is arranged in the mounting cavity; the pin assembly is arranged in the pin hole, one end of the pin assembly extends into the accommodating cavity and is electrically connected with the main board assembly, the other end of the pin assembly extends out of the accommodating cavity, and an elastic sealing element is arranged between the pin upper cover and the base. According to the utility model discloses a charger realizes directly pouring the colloid into the installation cavity from the encapsulating hole of top, and has avoided the colloid to leak from participating in the hole.

Description

Charging unit

Technical Field

The utility model belongs to the technical field of electronic equipment, particularly, relate to a charger.

Background

In the current charger market, high-power and small-volume products are more and more. In order to solve the heat dissipation problem caused by high power, heat dissipation glue can be filled into the product during product production. At present, a main board assembly is generally arranged in a main body shell, then glue is poured from the bottom (namely an AC input end, AC is an abbreviation of Alternating Current), and a sealing structure is arranged on a USB port of a DC output end (DC is an abbreviation of Direct Current); after the heat-dissipating glue is cured, the charger main body shell and the bottom shell are connected (through ultrasonic waves and the like), and then the performance of the product of the charger can be tested. Because the error that accumulates on the USB mouth during mainboard production, equipment is great, and the contact of USB mouth sealing washer and face-piece is difficult to even, adopts this kind of technology of bottom encapsulating to cause heat dissipation glue to leak easily, and production technology is unstable, and the defective rate is high, can not reprocess and reuse mainboard subassembly after the test discovery has the problem to the waterproof structural design of USB mouth is also more complicated, this can greatly increased product cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a charger can realize directly pouring the colloid into the installation cavity from the encapsulating hole that is located the charger top after having installed spare part, and the defective rate is lower.

According to the utility model discloses charger, include: the glue filling device comprises a face shell and a base, wherein the face shell is provided with a glue filling hole, the base is arranged at the bottom of the face shell and is provided with a pin hole, the base is also provided with an accommodating cavity, the top of the accommodating cavity is opened, and the pin hole is positioned at the bottom of the accommodating cavity; the pin upper cover is buckled above the accommodating cavity and is hermetically connected with the base, the pin upper cover, the base and the face shell jointly define a mounting cavity, and a main board assembly is arranged in the mounting cavity; the foot subassembly, it locates to participate in downtheholely to participate in the subassembly, and the one end of participating in the subassembly stretches into and holds in the cavity with mainboard subassembly electric connection, and the other end of participating in the subassembly stretches out and holds outside the cavity, wherein, participates in and is equipped with elastic sealing element between upper cover and the base.

According to the utility model discloses the charger, through locating the top of face-piece with the encapsulating hole, and will participate in upper cover and base sealing connection, thereby realize with the colloid directly pouring into the installation cavity from the encapsulating hole that is located the charger top, participate in and be equipped with elastic sealing element between upper cover and the base, thereby make and participate in and can realize sealing connection between upper cover and the base, thereby when the colloid directly pours into the installation cavity from the encapsulating hole that is located the charger top, the colloid has been avoided the seepage from participating in the hole, thereby make the colloid can be full of the clearance between mainboard subassembly and the installation cavity inner wall well, the production technology is stable, the defective rate is lower, can reduce the cost of production product.

According to the utility model discloses charger, colloid are full of the space between installation cavity inner wall and the mainboard subassembly, and the colloid can dispel the heat to charger inner structure, carries out insulation protection to charger inner structure simultaneously.

Optionally, be provided with first turn-ups along participating in the hole circumference on the base, elastic sealing element's circumference is equipped with the mounting groove of opening towards the base, in first turn-ups embedding mounting groove, participate in the upper cover lock on elastic sealing element and pass through the fastener with the base and be connected, through making elastic sealing element cover first turn-ups, because elastic sealing element receives the extrusion deformation, when participating in the upper cover and compressing tightly with the base and being connected, elastic sealing element can be full of and participate in the clearance between upper cover and the base to make sealed effect better.

Optionally, a first buckle structure is further arranged on the base, the first buckle structure is located on one side, close to the pin hole, of the first flanging, a second buckle structure is arranged on the pin upper cover, and the first buckle structure is matched with the second buckle structure, so that the connection between the pin upper cover and the base is more stable.

Optionally, the first buckle structure includes a convex card, the second buckle structure includes a buckling groove, a second flange covering the convex card is further disposed on the elastic sealing element, and the second flange and the convex card are embedded in the buckling groove together, so that a gap between the length direction of the convex card and the buckling groove can be filled by the elastic sealing element, and the connection sealing effect between the pin upper cover and the base is better.

According to the utility model discloses charger still includes: the one end of shell fragment stretches into and holds in the cavity and with participate in subassembly electric connection, the other end of shell fragment stretches out and holds outside the cavity and with mainboard subassembly electric connection, thereby it will participate in subassembly and mainboard subassembly electric connection together to realize through the shell fragment to the feasible subassembly of participating in is more reliable with mainboard subassembly's electric connection.

Optionally, the elastic sheet comprises a main body and a first pin and a second pin which are arranged at two ends of the main body respectively, the first pin extends towards the direction close to the mainboard assembly in a bending manner, the second pin extends towards the direction close to the pin assembly in a bending manner and is electrically connected with the pin assembly, the main body and the second pin are located in the containing cavity, the pin upper cover and the first buckle structure define the slot, the first pin is located in the slot, and therefore the first pin can extend out of the containing cavity and is electrically connected with the mainboard assembly through the slot.

Optionally, the base is further provided with a boss, the boss is provided with a limiting column, the main body is provided with a first limiting hole, the pin is covered with a second limiting hole, and the limiting column is inserted into the first limiting hole and the second limiting hole, so that the elastic piece and the pin upper cover are further limited by the limiting column in displacement.

Optionally, be equipped with the spacing groove on the lateral wall body of base, the direction of height orientation that the face-piece was kept away from gradually to the spacing groove along the lateral wall body extends, and the one end that the lateral wall of face-piece is close to the base is equipped with the arch, and the arch inserts in the spacing groove, can make the base more inseparable with being connected of face-piece from this.

According to the utility model discloses charger, mainboard subassembly and the lateral wall interval of face-piece inject continuous glue filling runner jointly, and the encapsulating hole communicates with glue filling runner, and the colloid is full of glue filling runner, makes the colloid flow when liquid from this and is full of the clearance between mainboard subassembly and the face-piece, reduces the possibility that partial dead angle colloid can not fill between the glue filling runner.

According to the utility model discloses charger, the face-piece top still is equipped with the USB interface, and USB interface and mainboard subassembly electric connection are through setting up the USB interface for the charger can be connected with other need battery charging outfit through the electric wire, thereby realizes turning into the direct current with the alternating current and provides electric power support for other electrical apparatus.

Optionally, the face-piece top still is equipped with the face lid, and the face lid is used for the closing cap face-piece top, and the face is covered and is equipped with the first position mouth and the second of letting that makes USB interface and encapsulating hole show and let the position mouth, and the closing cap gets up in the face-piece through setting up the face lid, prevents that relevant electric wires such as mainboard subassembly from exposing and producing the potential safety hazard, easily operates when installing mainboard subassembly toward in the face-piece simultaneously.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is an exploded view of a charger according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a charger according to an embodiment of the invention;

FIG. 3 is an enlarged view taken at A in FIG. 2;

fig. 4 is an overall view of a charger according to an embodiment of the present invention;

fig. 5 is an exploded view of a base and a pin cover according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of a base and a pin cover according to an embodiment of the present invention;

fig. 7 is a perspective view of a base and a pin cover according to an embodiment of the present invention.

Reference numerals are as follows:

the charging unit 1 is provided with a charging unit,

a panel shell 10, a glue filling hole 11, a bulge 12, a USB interface 14, a panel cover 16,

a base 20, a pin hole 21, a first flanging 22, a first buckling structure 23, a limiting groove 24, a boss 25, a limiting column 252, a lower fastening hole 26,

a pin upper cover 30, a second buckling structure 31, a second limiting hole 32, a fastening piece 33, an upper fastening hole 34,

the assembly of the motherboard 40, the pin assembly 50,

an elastic sealing member 60, a mounting groove 61, a second flange 62,

the elastic sheet 70, the main body 71, the first limiting hole 712, the first pin 72, and the second pin 73.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes the charger 1 according to an embodiment of the present invention with reference to the drawings.

As shown in fig. 1 to 4, the charger 1 according to the embodiment of the present invention includes: a face shell 10 and a base 20, a pin cover 30, a pin assembly 50, and glue.

Specifically, a glue filling hole 11 is formed in the face shell 10, the base 20 is arranged at the bottom of the face shell 10, a pin hole 21 is formed in the base 20, an accommodating cavity is further formed in the base 20, the top of the accommodating cavity is open, the pin hole 21 is located at the bottom of the accommodating cavity, the pin upper cover 30 is buckled above the accommodating cavity and is hermetically connected with the base 20, the pin upper cover 30, the base 20, the pin upper cover 30 and the face shell 10 jointly define an installation cavity, and a main board assembly 40 is arranged in the installation cavity; the pin assembly 50 is disposed in the pin hole 21, the pin cover 30 and the base 20 together define a receiving cavity, one end of the pin assembly 50 extends into the receiving cavity to be electrically connected with the motherboard assembly 40, and the other end of the pin assembly 50 extends out of the receiving cavity, wherein an elastic sealing element 60 is disposed between the pin cover 30 and the base 20.

The extension says, locate the face-piece 10 through will the encapsulating hole 11 on, and will participate in upper cover 30 and base 20 sealing connection, thereby it keeps apart pin hole 21 outside the installation cavity to make to participate in upper cover 30, thereby make the installation cavity become an airtight cavity in bottom, make the colloid pour into the installation cavity from encapsulating hole 11 after can rely on gravity to be full of the installation cavity along the gap between mainboard subassembly 40 and the installation cavity inner wall, thereby make mainboard subassembly 40 can receive water protection and dispel the heat through the colloid, can prevent simultaneously that the colloid from passing through pin hole 21 excessive. Through so setting up, can make and finish the whole top encapsulating from charger 1 again after the spare part installation of whole charger 1, and need not to encapsulate after the installation part spare part, assemble the spare part after encapsulating again, thereby make and can detect earlier after connecting between charger 1 spare part, the encapsulating is carried out again after electric connection is effective, accomplish after the encapsulating again and detect, if there is the problem still need to reprocess. And so set up and also make in the testing process if the problem can in time be disassembled for mainboard subassembly 40 also can reuse, thereby reduced the manufacturing cost of product.

It should be noted that the means for sealing the pin cover 30 to the base 20 includes, but is not limited to, using a sealant, an elastic sealing member 60, or foam. The sealant can be glass cement, waterproof sealant, steel barrel sealant, elastic sealant, polyurethane sealant, polyvinyl chloride cement, polysulfide sealant, acrylic sealant, flame retardant sealant, epoxy sealant, butyronitrile sealant and the like.

In addition, the pin assembly 50 includes a pair of pins and a connector for fixing the pins in the pin holes 21; the pin assembly 50 may be non-rotatable or rotatable on the base 20; for the rotatable pin assembly 50, as shown in the embodiment of fig. 1-4, the pin holes 21 are further provided with a rotating shaft positioning element, a pair of pins are connected through a rotating shaft, the rotating shaft is matched with the rotating shaft positioning element to enable the pins to rotate relative to the base 20, the bottom of the accommodating cavity is further provided with pin accommodating grooves for accommodating the pins, and thus, the pin upper cover 30 is hermetically connected with the base 20 to prevent the colloid from leaking from the pin accommodating grooves.

Furthermore, the glue filling hole 11 may be provided on the top or the side wall of the face shell 10, wherein the glue filling hole 11 is preferably provided on the top of the face shell 10, so that the liquid can fill the whole installation cavity by gravity when in a liquid state.

The first embodiment is as follows:

the top of the face shell 10 is provided with a glue pouring hole 11, the base 20 is arranged at the bottom of the face shell 10, the base 20 is provided with a pin hole 21, the base 20 is also provided with an accommodating cavity, the top of the accommodating cavity is opened, the pin hole 21 is positioned at the bottom of the accommodating cavity, the pin upper cover 30 is buckled above the accommodating cavity and is hermetically connected with the base 20, the pin upper cover 30, the base 20, the pin upper cover 30 and the face shell 10 jointly define an installation cavity, and a mainboard assembly 40 is arranged in the installation cavity; the pin assembly 50 is arranged in the pin hole 21, the pin upper cover 30 and the base 20 jointly define a containing cavity, one end of the pin assembly 50 extends into the containing cavity to be electrically connected with the mainboard assembly 40, the pin assembly 50 can rotate, and the other end of the pin assembly 50 extends out of the containing cavity; the glue fills the space between the inner wall of the mounting cavity and the main board assembly 40.

Example two:

the side wall of the face shell 10 is provided with a glue pouring hole 11, the base 20 is arranged at the bottom of the face shell 10, the base 20 is provided with a pin hole 21, the base 20 is also provided with an accommodating cavity, the top of the accommodating cavity is opened, the pin hole 21 is positioned at the bottom of the accommodating cavity, the pin upper cover 30 is buckled above the accommodating cavity and is hermetically connected with the base 20, the pin upper cover 30, the base 20, the pin upper cover 30 and the face shell 10 jointly define an installation cavity, and a mainboard assembly 40 is arranged in the installation cavity; the pin assembly 50 is arranged in the pin hole 21, the pin upper cover 30 and the base 20 jointly define a containing cavity, one end of the pin assembly 50 extends into the containing cavity to be electrically connected with the mainboard assembly 40, the pin assembly 50 can rotate, and the other end of the pin assembly 50 extends out of the containing cavity; the glue fills the space between the inner wall of the mounting cavity and the main board assembly 40.

According to the utility model discloses charger 1 is through locating the top of face-piece 10 with encapsulating hole 11 to will participate in upper cover 30 and base 20 sealing connection, thereby realize directly pouring the colloid into the installation cavity from encapsulating hole 11, and avoided the colloid from participating in the seepage in hole 21, thereby make the colloid be full of mainboard subassembly 40 well and the clearance between the installation cavity inner wall, production technology is stable, and the defective rate is lower, can reduce the cost of production product.

As shown in fig. 2 and fig. 6, according to the charger 1 of the embodiment of the present invention, the colloid is filled in the space between the inner wall of the installation cavity and the main board assembly 40, and the colloid can dissipate heat from the internal structure of the charger 1 and perform insulation protection on the internal structure of the charger 1.

It should be noted that the elastic sealing element 60 may be a nitrile rubber sealing element, a fluorine butadiene rubber sealing element, a silicone rubber sealing element, a fluorine rubber sealing element, a polyurethane sealing element, or a teflon sealing element, and the present application is not limited thereto.

As shown in fig. 5 and 6, optionally, the base 20 is circumferentially provided with a first flange 22 along the pin hole 21, the elastic sealing element 60 is circumferentially provided with a mounting groove 61 that opens toward the base 20, the first flange 22 is embedded into the mounting groove 61, the pin cover 30 is fastened on the elastic sealing element 60 and connected with the base 20 through the fastener 33, and by making the elastic sealing element 60 cover the first flange 22, since the elastic sealing element 60 is deformable by being pressed, when the pin cover 30 is connected with the base 20 by pressing, the elastic sealing element 60 fills the gap between the pin cover 30 and the base 20, thereby making the sealing effect better. As shown in fig. 5, the base 20 is provided with lower fastening holes 26, the pin upper cover 30 is provided with upper fastening holes 34, the lower fastening holes 26 and the upper fastening holes 34 are aligned, and the fastening members 33 are inserted into the lower fastening holes 26 and the upper fastening holes 34.

As shown in fig. 5 and 7, optionally, a first locking structure 23 is further disposed on the base 20, the first locking structure 23 is located on a side of the first flange 22 close to the pin hole 21, a second locking structure 31 is disposed on the pin cover 30, and the first locking structure 23 is engaged with the second locking structure 31, so that the connection between the pin cover 30 and the base 20 is more stable. It should be noted that the first fastening structure 23 can be a convex card, and the second fastening structure 31 is a fastening groove matched with the convex card; the first buckle structure 23 may be a buckling groove, the second buckle structure 31 may be a protruding card matched with the buckling groove, and the structures of the first buckle structure 23 and the second buckle structure 31 are not limited, and may be other matching structures capable of realizing mutual limiting.

As shown in fig. 5 and 7, optionally, the first fastening structure 23 includes a protruding card, the second fastening structure 31 includes a fastening groove, the elastic sealing element 60 is further provided with a second flange 62 covering the protruding card, and the second flange 62 and the protruding card are embedded into the fastening groove together, so that the gap between the length direction of the protruding card and the fastening groove can be filled by the elastic sealing element 60, thereby improving the sealing effect of the connection between the pin cover 30 and the base 20.

As shown in fig. 2, 5 and 6, the charger 1 according to the embodiment of the present invention further includes: one end of the elastic sheet 70 extends into the accommodating cavity and is electrically connected with the pin assembly 50, the other end of the elastic sheet 70 extends out of the accommodating cavity and is electrically connected with the mainboard assembly 40, and the pin assembly 50 and the mainboard assembly 40 are electrically connected together through the elastic sheet 70, so that the electrical connection between the pin assembly 50 and the mainboard assembly 40 is more reliable.

As shown in fig. 5, optionally, the elastic sheet 70 includes a main body 71 and a first pin 72 and a second pin 73 respectively disposed at two ends of the main body 71, the first pin 72 extends in a bending manner toward the main board assembly 40, the second pin 73 extends in a bending manner toward the pin assembly 50 and is electrically connected to the pin assembly 50, the main body 71 and the second pin 73 are located in the accommodating cavity, the pin cover 30 and the first fastening structure 23 define a slot, and the first pin 72 is located in the slot, so that the first pin 72 can extend out of the accommodating cavity to be electrically connected to the main board assembly 40 by providing the slot.

As shown in fig. 5 and 6, optionally, the base 20 is further provided with a boss 25, the boss 25 is provided with a limiting post 252, the main body 71 is provided with a first limiting hole 712, the pin upper cover 30 is provided with a second limiting hole 32, and the limiting post 252 is inserted into the first limiting hole 712 and the second limiting hole 32, so that the movement of the elastic sheet 70 and the pin upper cover 30 is further limited by the limiting post 252, and in the using process of a user, if the charger 1 is accidentally dropped, the elastic sheet 70 and the pin upper cover 30 can be kept in place when being impacted, and the possibility of dislocation is very small, thereby preventing the possibility of failure that the charger 1 is easily dropped, and further improving the satisfaction degree of the user.

As shown in fig. 2, fig. 3 and fig. 5, optionally, a limiting groove 24 is provided on the sidewall body of the base 20, the limiting groove 24 extends towards a direction gradually away from the face housing 10 along a height direction of the sidewall body, a protrusion 12 is provided at one end of the sidewall of the face housing 10 close to the base 20, and the protrusion 12 is inserted into the limiting groove 24, so that the connection between the base 20 and the face housing 10 can be more tight, thereby preventing the leakage of the colloid when the colloid is filled, and simultaneously preventing the charger 1 from entering the installation cavity by isolating dust or water vapor, etc. in the using process, thereby preventing the main board assembly 40 from being damaged by the interference of the foreign matters or moisture.

According to the utility model discloses charger 1, mainboard subassembly 40 and face-piece 10's lateral wall interval and inject continuous gluey runner jointly, encapsulating hole 11 and the runner intercommunication of filling glue, the colloid is full of the runner of filling glue, makes the colloid can flow when liquid and be full of the clearance between mainboard subassembly 40 and the face-piece 10, reduce the possibility that partial dead angle colloid can not fill when filling the runner of glue from this.

As shown in fig. 4, according to the utility model discloses charger 1, the face-piece 10 top still is equipped with the USB interface 14, and USB interface 14 and mainboard subassembly 40 electric connection are through setting up USB interface 14 for charger 1 can be connected with other charging equipment that need through the electric wire, thereby realizes turning into the direct current with the alternating current and provides electric power support for other electrical apparatus.

As shown in fig. 1, optionally, a face cover 16 is further disposed above the face shell 10, the face cover 16 is used for covering the top of the face shell 10, a first yielding port and a second yielding port, which expose the USB interface 14 and the glue filling hole 11, are disposed on the face cover 16, and the face shell 10 is covered by the face cover 16, so as to prevent potential safety hazards caused by exposure of the main board assembly 40 and other related wires, and meanwhile, the main board assembly 40 is easy to operate when being installed in the face shell 10.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A charger, comprising:

the rubber filling device comprises a face shell and a base, wherein a rubber filling hole is formed in the face shell, the base is arranged at the bottom of the face shell, pin holes are formed in the base, an accommodating cavity is further formed in the base, the top of the accommodating cavity is opened, and the pin holes are formed in the bottom of the accommodating cavity;

the pin upper cover is buckled above the accommodating cavity and is hermetically connected with the base, the pin upper cover, the base and the face shell jointly define a mounting cavity, and a main board assembly is arranged in the mounting cavity;

the pin assembly is arranged in the pin hole, one end of the pin assembly extends into the accommodating cavity and is electrically connected with the main board assembly, the other end of the pin assembly extends out of the accommodating cavity, and an elastic sealing element is arranged between the pin upper cover and the base.

2. The charger of claim 1, further comprising: the colloid is filled in the space between the inner wall of the mounting cavity and the main board assembly.

3. The charger according to claim 2, wherein the base is provided with a first flange along a circumferential direction of the pin hole, the elastic sealing element is provided with a mounting groove having an opening facing the base along a circumferential direction, the first flange is embedded in the mounting groove, and the pin cover is fastened on the elastic sealing element and connected with the base through a fastening element.

4. The charger according to claim 3, wherein a first locking structure is further disposed on the base, the first locking structure is located on a side of the first flange close to the pin hole, a second locking structure is disposed on the pin cover, and the first locking structure is engaged with the second locking structure.

5. The charger according to claim 4, wherein the first fastening structure includes a protruding clip, the second fastening structure includes a fastening slot, and a second flange is further provided on the elastic sealing member for covering the protruding clip, and the second flange and the protruding clip are embedded in the fastening slot together.

6. The charger of claim 4, further comprising:

one end of the elastic sheet extends into the accommodating cavity and is electrically connected with the pin assembly, and the other end of the elastic sheet extends out of the accommodating cavity and is electrically connected with the mainboard assembly.

7. The charger according to claim 6, wherein the resilient tab includes a main body and a first pin and a second pin respectively disposed at two ends of the main body, the first pin extends in a direction close to the main board assembly, the second pin extends in a direction close to the pin assembly and is electrically connected to the pin assembly, the main body and the second pin are disposed in the accommodating cavity, the pin cover and the first latching structure define a slot, and the first pin is disposed in the slot.

8. The charger according to claim 7, wherein the base further comprises a boss, the boss comprises a position-limiting post, the main body comprises a first position-limiting hole, the pin cover comprises a second position-limiting hole, and the position-limiting post is inserted into the first position-limiting hole and the second position-limiting hole.

9. The charger according to claim 1, wherein a limiting groove is formed in the side wall body of the base, the limiting groove extends along the height direction of the side wall body towards the direction away from the face housing, a protrusion is formed at one end, close to the base, of the side wall of the face housing, and the protrusion is inserted into the limiting groove.

10. The charger of claim 2, wherein the main board assembly is spaced from the side walls of the housing and together define a continuous glue-filling flow path, the glue filling hole being in communication with the glue-filling flow path, the glue filling flow path being filled with glue.

Images