CN217282319U

CN217282319U - Ultrasonic welding type shell and charger

Info

Publication number: CN217282319U
Application number: CN202220962128.6U
Authority: CN
Inventors: 詹海峰; 赵智星; 胡宪权; 谢峰; 肖倩; 何华兵; 郭安波; 何冈
Original assignee: Hunan Giantsun Power Electronics Co Ltd
Current assignee: Hunan Giantsun Power Electronics Co Ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-08-23
Anticipated expiration: 2032-04-24

Abstract

The utility model provides an ultrasonic bonding formula shell, including main part and lid, the one end of main part is close to the edge and has cyclic annular boss, is formed with the ultrasonic line on the cyclic annular boss, and the ultrasonic line includes a plurality of sand grips along cyclic annular boss interval arrangement, is formed with the ultrasonic groove on the lid, and the lid is located the main part through cyclic annular boss and ultrasonic groove matched cover, and the ultrasonic line supports and holds in ultrasonic inslot top surface, welds the ultrasonic line fusion in order to weld the lid pressfitting in the main part through the ultrasonic wave. The utility model also provides a charger, include the PCB subassembly, participate in and ultrasonic bonding formula shell, be formed with the installation cavity in the main part, the PCB unit mount is in the installation cavity of main part, and the lid is installed in the open end of main part, and cyclic annular boss encircles the open end of lid and arranges to encapsulate the PCB subassembly in the main part, participate in install on the lid and with PCB subassembly electric connection. The ultrasonic welding type shell and the charger have the advantages of smaller, uniform and attractive gap.

Description

Ultrasonic welding type shell and charger

Technical Field

The utility model relates to an ultrasonic welding technical field, concretely relates to ultrasonic welding formula shell and charger.

Background

The ultrasonic lamination technology is to laminate two workpieces to be combined into a whole by using the ultrasonic principle, and is widely applied in the field of power devices in particular. However, due to the limitation of the injection molding process and the design requirements of ID, safety, etc., the industry generally applies to split the plug of the charger into two parts, namely, the pins and the pin bottom cover, to weld the pins with AC wires, to pass the wires through the wire holes reserved in the pin bottom cover, to fasten the pins and the pin bottom cover by fastening positions, to weld the other end of the AC wires to the PCB assembly again, and to weld the pin assembly to the main body housing by ultrasonic welding. The design has the following defects:

1. the assembly process of the product is complicated, and the cost of processing operators, processing time and the like is high;

2. the structure is limited, the pin and the pin bottom cover need to be buckled and connected, the two dies need to be designed with inclined tops or slide positions, and the cost of the shell die is high;

3. because there is the fault space in the middle of participating in the subassembly during ultrasonic bonding, ultrasonic energy transmits the ultrasonic ray and will appear the fault phenomenon, and this can lead to ultrasonic welding effect not good, appears the inhomogeneous phenomenon in supersound groove clearance.

SUMMERY OF THE UTILITY MODEL

In view of the above, the utility model provides an ultrasonic bonding formula shell and charger has that the gap is littleer, even, pleasing to the eye advantage.

The technical scheme of the utility model:

the utility model provides an ultrasonic bonding formula shell, including main part and lid, the one end of main part is close to the edge and has cyclic annular boss, is formed with the ultrasonic wave line on the cyclic annular boss, and the ultrasonic wave line includes a plurality of sand grips along cyclic annular boss interval arrangement, is formed with the supersound groove with cyclic annular boss looks adaptation on the lid, and the lid cooperates the cover through cyclic annular boss and supersound groove to locate in the main part, and the ultrasonic wave line supports and holds in supersound inslot top surface, welds the ultrasonic wave with the ultrasonic wave line fusion in order to cover the body pressfitting in the main part.

The utility model also provides a charger, include the PCB subassembly, participate in and ultrasonic bonding formula shell, be formed with the installation cavity in the main part, the PCB unit mount is in the installation cavity of main part, the lid is installed in the open end of main part, cyclic annular boss encircles the open end of lid and arranges to encapsulate the PCB subassembly in the main part, participate in install on the lid and with PCB subassembly electric connection.

Further, still include the AC connecting wire, the AC connecting wire sets up in the installation cavity of main part, and the one end and the PCB subassembly electric connection of AC connecting wire, the other end and the electrical connection of participating in.

Further, one end of the pin, which is connected with the AC connection line, penetrates through the cover body so as to be connected with the AC connection line.

Furthermore, a wire clamping groove is formed in one end, connected with the AC connecting wire, of the plug pin, and the connecting end of the AC connecting wire is clamped into the wire clamping groove and is welded and fixed.

Further, still include viscose layer and dress trim cover, the surface of lid is formed with the holding tank with dress trim cover appearance looks adaptation, and the viscose layer bonds between lid and dress trim cover, decorates to cover and offers and participate in the hole with participating in that corresponds to embolia the holding tank along participating in with dress trim cover and realize bonding.

Further, the decoration cover is flush with the end face of the cover body.

Furthermore, the adhesive layer is made of double-faced adhesive tape, the shape and the size of the double-faced adhesive tape are matched with those of the decorative cover, clearance holes corresponding to the pins are formed in the double-faced adhesive tape, the double-faced adhesive tape is bonded to the lower surface of the decorative cover, the clearance holes correspond to the pin holes, and the decorative cover bonded with the double-faced adhesive tape is sleeved in the accommodating groove along the pins and is bonded to the inner surface of the accommodating groove.

Further, still include with PCB subassembly electric connection's output interface, output interface runs through the main part to supply the plug charging wire.

Further, the output interface is disposed on the body and at an opposite end of the cover.

The utility model has the advantages that:

the utility model provides an ultrasonic welding formula shell, through being close to the edge at main part one end and setting up cyclic annular boss, and set up the ultrasonic line that the sand grip formed by a plurality of interval arrangements on cyclic annular boss, the ultrasonic groove that forms on the lid is convenient for locate the lid cover on the cyclic annular boss of main part, and, the ultrasonic groove can hold the sizing material that the ultrasonic line after the ultrasonic wave fusion formed, improve the bonding strength in cyclic annular boss and ultrasonic groove, regard as the supersound stress surface with the upper surface of lid, because supersound groove and the ultrasonic line direct contact of supersound stress surface and below, there is not the fault space in the centre. The ultrasonic welding effect that can guarantee main part and lid like this is better, and structural connection intensity is higher, and the supersound clearance is littleer, more even, pleasing to the eye.

The utility model provides an use charger of above-mentioned ultrasonic bonding formula shell, the supersound butt fusion effect that can guarantee main part and lid is better, and structural connection intensity is higher, and the supersound clearance is littleer, more even, pleasing to the eye.

The preferred embodiments of the present invention and their advantageous effects will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,

fig. 1 is a perspective assembly view of the charger of the present invention;

fig. 2 is a sectional view of a charger according to the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is an exploded view of the charger of the present invention;

FIG. 5 is a partial structure view of the charger of the present invention;

fig. 6 is a bottom view of fig. 1.

The reference numbers indicate: the ultrasonic wave packaging structure comprises a main body 1, a cover body 2, an annular boss 11, an ultrasonic wire 12, an ultrasonic groove 21, a PCB assembly 3, a pin 4, an AC connecting wire 5, a wire clamping groove 41, an adhesive layer 6, a decorative cover 7, an accommodating groove 22, a pin hole 71 and an output interface 8.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

Referring to fig. 1 to 5, the present invention provides an ultrasonic welding type housing, which includes a main body 1 and a cover 2, wherein an annular boss 11 is provided at a position close to an edge of one end of the main body 1, an ultrasonic line 12 is formed on the annular boss 11, and the ultrasonic line 12 includes a plurality of raised bars arranged along the annular boss 11 at intervals. The cover body 2 is provided with an ultrasonic groove 21 matched with the annular boss 11, the cover body 2 is sleeved on the main body 1 through the matching of the annular boss 11 and the ultrasonic groove 21, the ultrasonic line 12 is abutted against the inner top surface of the ultrasonic groove 21, and the ultrasonic line 12 is melted by ultrasonic waves to press and weld the cover body 2 on the main body 1.

The utility model provides an ultrasonic welding formula shell, set up cyclic annular boss 11 through being close to the edge in 1 one end of main part, and set up the supersound line 12 that the sand grip formed by a plurality of interval arrangements on cyclic annular boss 11, the ultrasonic groove 21 that forms on the lid 2 is convenient for locate the lid cover on the cyclic annular boss 11 of main part 1, and, ultrasonic groove 21 can hold the sizing material that ultrasonic line 12 after the ultrasonic wave fusion formed, improve cyclic annular boss 11 and ultrasonic groove 21's bonding strength, regard as supersound stress surface with the upper surface of lid 2, because supersound stress surface and the supersound groove 21 and the ultrasonic line 12 direct contact of below, there is not the fault space in the middle. Can guarantee like this that the ultrasonic welding effect of main part 1 and lid 2 is better, and structural connection intensity is higher, and the supersound clearance is littleer, more even, pleasing to the eye.

The utility model also provides a use charger of above-mentioned ultrasonic bonding formula shell, include PCB subassembly 3, participate in 4 and above-mentioned ultrasonic bonding formula shell, be formed with the installation cavity in main part 1, PCB subassembly 3 is installed in the installation cavity of main part 1, and lid 2 is installed in the open end of main part 1, and cyclic annular boss 11 encircles the open end of lid 2 and arranges to encapsulate PCB subassembly 3 in main part 1, participate in 4 install on lid 2 and with 3 electric connection of PCB subassembly. Adopt above-mentioned structural design's charger, the ultrasonic welding effect that can guarantee main part 1 and lid 2 is better, and structural connection intensity is higher, and the supersound clearance is littleer, more even, pleasing to the eye.

In this embodiment, the charger further includes an AC connection line 5, the AC connection line 5 is disposed in the mounting cavity of the main body 1, one end of the AC connection line 5 is electrically connected to the PCB assembly 3, and the other end is electrically connected to the pin 4. One end of the pin 4 connected to the AC connection line 5 penetrates the cover 2 so as to be connected to the AC connection line 5. The end of the pin 4 connected with the AC connecting line 5 is provided with a wire clamping groove 41, and the connecting end of the AC connecting line 5 is clamped in the wire clamping groove 41 and is welded and fixed. Thus, the AC connecting wire 5 and the pin 4 are electrically connected conveniently, the connection strength is ensured, and stable electrical connection is realized.

In this embodiment, the charger still includes viscose layer 6 and dress trim 7, and the surface of lid 2 is formed with the holding tank 22 with dress trim 7 appearance looks adaptation, and viscose layer 6 bonds between lid 2 and dress trim 7, offers on dress trim 7 to participate in the hole 71 with participating in 4 correspondences to embolia the holding tank 22 along participating in 4 with dress trim 7 and realize bonding, dress trim 7 and the terminal surface parallel and level of lid 2. Preferably, the adhesive layer 6 may be a double-sided adhesive tape, the shape and size of the double-sided adhesive tape are matched with the shape and size of the decoration cover 7, the double-sided adhesive tape is provided with clearance holes corresponding to the pins 4, the double-sided adhesive tape is bonded to the lower surface of the decoration cover 7, the clearance holes correspond to the pin holes 71, and the decoration cover 7 bonded with the double-sided adhesive tape is sleeved along the pins 4 and is bonded to the inner surface of the accommodation groove 22. Therefore, the pin 4 does not need to be buckled, assembled and connected, and the cost of the shell mold is greatly saved. The decorative cover 7 and the cover body 2 can be tightly adhered together through the double-sided adhesive tape, so that the assembly is completed, the manufacturing is simplified, and the production cost is reduced.

Referring to fig. 6, in the present embodiment, the charger further includes an output interface 8 electrically connected to the PCB assembly 3, and the output interface 8 penetrates through the main body 1 for inserting a charging wire. Preferably, the output interface 8 is arranged on the body 1 at the opposite end of the cover 2. Specifically, the output interface 8 includes one USB-a port and two USB-C ports.

The embodiments in the present description are all described in a progressive manner, and some of the embodiments are mainly described as different from other embodiments, and the same and similar parts among the embodiments can be referred to each other.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, a particular component geometry.

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; the communication may be direct, indirect via an intermediate medium, or internal to both 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 addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides an ultrasonic bonding formula shell, a serial communication port, including main part (1) and lid (2), the one end of main part (1) is close to the edge and has cyclic annular boss (11), be formed with ultrasonic line (12) on cyclic annular boss (11), ultrasonic line (12) are including a plurality of sand grips along cyclic annular boss (11) interval arrangement, be formed with ultrasonic groove (21) with cyclic annular boss (11) looks adaptation on lid (2), lid (2) cooperate the cover through cyclic annular boss (11) and ultrasonic groove (21) to locate on main part (1), ultrasonic line (12) support and hold in ultrasonic groove (21) interior top surface, weld on main part (1) ultrasonic line (12) fusion in order to with lid (2) pressfitting through the ultrasonic wave.

2. A charger, characterized by, including PCB assembly (3), base pin (4) and the ultrasonic welding type outer cover of claim 1, there is a mounting cavity formed on the main body (1), the PCB assembly (3) is installed in the mounting cavity of the main body (1), the cover body (2) is installed at the open end of the main body (1), the annular boss (11) is arranged around the open end of the cover body (2) to encapsulate the PCB assembly (3) in the main body (1), the base pin (4) is installed on the cover body (2) and is electrically connected with the PCB assembly (3).

3. The charger according to claim 2, further comprising an AC connecting line (5), wherein the AC connecting line (5) is disposed in the mounting cavity of the main body (1), one end of the AC connecting line (5) is electrically connected to the PCB assembly (3), and the other end is electrically connected to the pins (4).

4. Charger according to claim 3, characterized in that the end of the pin (4) connected to the AC connection line (5) extends through the cover (2) to facilitate connection to the AC connection line (5).

5. The charger according to claim 4, wherein a wire clamping groove (41) is formed at one end of the pin (4) connected with the AC connecting wire (5), and the connecting end of the AC connecting wire (5) is clamped into the wire clamping groove (41) for welding and fixing.

6. The charger according to claim 2, further comprising an adhesive layer (6) and a decorative cover (7), wherein the outer surface of the cover body (2) is formed with a receiving groove (22) matched with the appearance of the decorative cover (7), the adhesive layer (6) is adhered between the cover body (2) and the decorative cover (7), and the decorative cover (7) is provided with pin holes (71) corresponding to the pins (4) so as to allow the decorative cover (7) to be inserted into the receiving groove (22) along the pins (4) for adhesion.

7. Charger according to claim 6, characterized in that the decorative cover (7) is flush with the end face of the cover (2).

8. The charger according to claim 6, wherein the adhesive layer (6) is a double-sided adhesive tape, the shape and size of the double-sided adhesive tape are matched with those of the decoration cover (7), clearance holes corresponding to the pins (4) are formed in the double-sided adhesive tape, the double-sided adhesive tape is adhered to the lower surface of the decoration cover (7), the clearance holes correspond to the pin holes (71), and the decoration cover (7) adhered with the double-sided adhesive tape is sleeved on and adhered to the inner surface of the accommodation groove (22) along the pins (4).

9. The charger according to claim 2, further comprising an output interface (8) electrically connected to the PCB assembly (3), wherein the output interface (8) penetrates through the main body (1) for plugging a charging wire.

10. Charger according to claim 9, characterized in that the output interface (8) is arranged on the main body (1) at the opposite end of the cover (2).