CN220107614U - Ultrasonic welding structure of charger shell - Google Patents
Ultrasonic welding structure of charger shell Download PDFInfo
- Publication number
- CN220107614U CN220107614U CN202321411653.XU CN202321411653U CN220107614U CN 220107614 U CN220107614 U CN 220107614U CN 202321411653 U CN202321411653 U CN 202321411653U CN 220107614 U CN220107614 U CN 220107614U
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- charger
- shell
- ultrasonic welding
- ring groove
- charger shell
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- 238000003466 welding Methods 0.000 title claims abstract description 88
- 230000000903 blocking effect Effects 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000007704 transition Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004023 plastic welding Methods 0.000 description 1
Abstract
The utility model discloses an ultrasonic welding structure of a charger shell, which comprises a charger shell and a surface cover shell, wherein a welding ring groove is formed in the top surface of the charger shell along the circumferential direction, the surface cover shell comprises a surface cover part and a blocking wall part which is arranged vertically downwards with the surface cover part, and an annular bulge which is used for being contacted with the welding ring groove is arranged between the outer edge of the blocking wall part and the outer edge of the surface cover part. In the utility model, during ultrasonic welding, the annular bulge of the surface cover shell is required to be inserted into the welding ring groove of the charger shell, a gap is formed between the inner wall surface of the charger shell and the outer wall surface of the retaining wall part, so that an external sheet tool can conveniently enter the ultrasonic welding seam through the gap to be pried, and the convenience in disassembling the charger shell is improved; and, still be equipped with limit stop in the outer wall surface of the fender wall portion of face lid casing along circumference direction, limit stop can carry out spacing support to the inner wall surface of charger casing, prevents that the battery charger casing lateral wall from taking place the bonding wire rupture when receiving external force.
Description
Technical Field
The utility model relates to the field of charger shells, in particular to an ultrasonic welding structure of a charger shell.
Background
In the prior art, a charger generally comprises an outer housing, a circuit board and an upper cover; an accommodating cavity with an opening at the upper end is formed in the outer shell, the circuit board is arranged in the accommodating cavity, then the upper cover body is inserted into a welding groove preset at the top of the outer shell, then the ultrasonic generator is started, and the upper cover body is fused with the welding groove in an ultrasonic welding mode by utilizing ultrasonic energy so as to connect the upper cover body and the welding groove into a whole.
The defects are that: the shell welding wires connected through ultrasonic plastic welding have high tensile strength, namely the upper cover body is difficult to pull away from the outer shell, so that the disassembly and maintenance are very inconvenient; however, the bending strength of the ultrasonic welding line of the shell is very low, namely, when the upper cover body is impacted by the side surface, the welding line of the upper cover body is easily broken, so that the welding failure is caused, and the assembly stability of a product is affected.
Accordingly, the prior art has drawbacks and needs improvement.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: provided is an ultrasonic welding structure of a charger housing, which improves the convenience of disassembly and has a stable structure.
The technical scheme of the utility model is as follows: an ultrasonic welding structure of a charger shell comprises a charger shell and a surface cover shell which is welded with the charger shell through ultrasonic;
the cross section of the charger shell is of a rectangular structure, and a welding ring groove is formed in the top surface of the charger shell along the circumferential direction;
the surface cover shell comprises a surface cover part and a blocking wall part which is arranged vertically downwards with the surface cover part, and the cross section area of the blocking wall part is smaller than that of the surface cover part;
an annular bulge which is used for being contacted with the welding ring groove is arranged between the outer edge of the retaining wall part and the outer edge of the face cover part, and the annular bulge is of a conical structure with a narrow upper part and a wide lower part;
when the annular bulge of the surface cover shell is inserted into the welding ring groove of the charger shell, a gap is formed between the inner wall surface of the charger shell and the outer wall surface of the retaining wall part;
the outer wall surface of the retaining wall part is also provided with a plurality of limit stops along the circumferential direction, and the thickness of the protrusions of the limit stops away from the outer wall surface of the retaining wall part is equal to the width of the gap.
By adopting the technical scheme, in the ultrasonic welding structure of the charger shell, one side, close to the inner wall surface of the charger shell, of the top surface of the welding ring groove is provided with a downward inclined tangent plane structure.
By adopting the technical schemes, in the ultrasonic welding structure of the charger shell, the top of the annular bulge is in a planar structure.
By adopting the technical schemes, in the ultrasonic welding structure of the charger shell, the middle part of the face cover shell is provided with a slot for inserting an external data wire.
By adopting the technical schemes, in the ultrasonic welding structure of the charger shell, the top surface of the face cover shell is concavely provided with the sinking groove, and the edge of the sinking groove is provided with the transitional cambered surface structure.
By adopting the technical schemes, in the ultrasonic welding structure of the charger shell, the depth of the welding ring groove is 2-4 mm, and the height of the annular protrusion is equal to the depth of the welding ring groove.
By adopting the technical schemes, in the ultrasonic welding structure of the charger shell, the width of the gap is 1-3 mm.
By adopting the technical schemes, in the ultrasonic welding structure of the charger shell, the limit stop and the retaining wall part are of an injection molding integrated structure.
By adopting the technical schemes, in the ultrasonic welding structure of the charger shell, clamping plate assemblies for fixing the circuit board are respectively arranged on the two symmetrical inner side walls of the charger shell.
Adopt above-mentioned each technical scheme, the ultrasonic welding structure of charger casing in, cardboard subassembly includes cardboard and lower cardboard, go up and be formed with the clearance that is greater than circuit board thickness between cardboard and the lower cardboard, be located the bottom of the last cardboard of clearance slip end and the top of lower cardboard are equipped with spout structure respectively.
Compared with the prior art, the utility model needs to insert the annular bulge of the surface cover shell into the welding ring groove of the charger shell during ultrasonic welding, and the annular bulge is in a conical structure with narrow upper part and wide lower part, so that the positioning assembly between the surface cover shell and the charger shell can be realized, and the welding efficiency is improved; meanwhile, when the annular bulge of the surface cover shell is inserted into the welding ring groove of the charger shell, a gap is formed between the inner wall surface of the charger shell and the outer wall surface of the retaining wall part, so that the arrangement is convenient for an external sheet tool to enter the ultrasonic welding seam through the gap to pry open, thereby improving the disassembly convenience of the charger shell and being easy to maintain; the outer wall surface of the blocking wall part of the surface cover shell is also provided with a limit stop along the circumferential direction, the limit stop can limit and support the inner wall surface of the charger shell, and welding lines are prevented from being broken when the side wall of the charger shell is subjected to external force, so that the stability of the welding structure of the shell is improved; in addition, because the height of the annular bulge is equal to the depth of the welding ring groove, namely, when the annular bulge is in a molten state under the action of ultrasonic vibration, the volume of the annular bulge is smaller than the volume of the welding ring groove, and the arrangement can avoid glue overflow during welding, thereby improving the aesthetic property of the product during welding.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an explosive structure of the present utility model;
FIG. 2 is a schematic view of another perspective explosion structure of the present utility model;
FIG. 3 is a schematic view of a welded assembly structure of the present utility model;
fig. 4 is a schematic view of another view angle welding assembly structure of the present utility model.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present patent application. Accordingly, the following detailed description of the embodiments of the present patent application, as provided in the accompanying drawings, is not intended to limit the scope of the claimed patent application, but is merely representative of selected embodiments of the present patent application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present patent application.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "inside", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 4, the present embodiment provides an ultrasonic welding structure of a charger housing, including a charger housing 1 and a face cover housing 2 ultrasonically welded to the charger housing 1.
The cross-sectional shape of the charger housing 1 is a rectangular structure, a welding ring groove 10 is formed in the top surface of the charger housing 1 along the circumferential direction, the surface cover housing 2 comprises a surface cover portion 21 and a blocking wall portion 22 which is perpendicular to the surface cover portion 21 and is downward arranged, and the cross-sectional area of the blocking wall portion 22 is smaller than that of the surface cover portion 21.
An annular protrusion 23 for contacting with the welding ring groove 10 is arranged between the outer edge of the retaining wall part 22 and the outer edge of the face cover part 21, and the annular protrusion 23 has a conical structure with a narrow upper part and a wide lower part. During ultrasonic welding, the annular protrusion 23 of the face cover shell 2 is required to be inserted into the welding ring groove 10 of the charger shell 1, and the annular protrusion 23 is in a conical structure with a narrow upper part and a wide lower part, so that positioning assembly between the face cover shell 2 and the charger shell 1 can be conveniently realized, and welding efficiency is improved.
When the annular projection 23 of the cover case 2 is inserted into the weld ring groove 10 of the charger housing 1, a gap 100 is formed between the inner wall surface of the charger housing 1 and the outer wall surface of the blocking wall 22. Because the tensile strength of ultrasonic bonding wire department is high, lead to being difficult to pull out face lid casing 2 from charger shell 1 through the mode of pulling, but the bending strength of ultrasonic bonding wire department is low, so, can get into the ultrasonic bonding seam with the thin slice instrument through gap 100 and skid out to improve the dismantlement convenience of charger shell, easy maintenance.
The outer wall surface of the retaining wall 22 is further provided with a plurality of limit stops 221 along the circumferential direction, and the thickness of the protrusion of the limit stops 221 away from the outer wall surface of the retaining wall 22 is equal to the width of the gap 100. The limit stop 221 can limit and support the inner wall surface of the charger housing to prevent the side wall of the charger housing from being broken by welding wires when the side wall of the charger housing is subjected to external force, so that the stability of the welding structure of the housing is improved.
As shown in fig. 1, further, a side of the top surface of the welding ring groove 10, which is close to the inner wall surface of the charger housing 1, is provided with a downward inclined tangential surface structure 101. The arrangement of the section structure 101 can facilitate the smooth sliding of the sheet tool into the ultrasonic weld for prying operation.
As shown in fig. 2, further, the top of the annular protrusion 23 has a planar structure.
As shown in fig. 4, further, a slot 20 for inserting an external data line is provided in the middle of the cover housing 2.
As shown in fig. 4, further, a sink 200 is concavely disposed on the top surface of the cover housing 2, and a transition cambered surface structure 201 is disposed at the edge of the sink 200. The arrangement of the sinking groove 200 and the transitional cambered surface structure 201 can improve the touch comfort of the face cover shell 2.
Further, the depth of the welding ring groove 10 is 2-4 mm, and the height of the annular protrusion 23 is equal to the depth of the welding ring groove 10. In this embodiment, the depth of the weld ring groove 10 is 4mm. Because the height of the annular bulge 23 is equal to the depth of the welding ring groove 10, namely, when the annular bulge 23 is in a molten state under ultrasonic vibration, the volume of the annular bulge 23 is smaller than the volume of the welding ring groove 10, and the arrangement can avoid glue overflow during welding, thereby improving the aesthetic property of a product during welding.
Further, the width of the slit 100 is 1 to 3mm. In this embodiment, the width of the slit 100 is 2mm.
As shown in fig. 2, further, the limit stop 221 and the blocking wall 22 are integrally formed by injection molding.
As shown in fig. 1 and 2, further, two symmetrical inner side walls of the charger housing 1 are respectively provided with a clamping plate assembly 11 for fixing a circuit board.
Furthermore, the clamping plate assembly 11 comprises an upper clamping plate 111 and a lower clamping plate 112, a gap 110 larger than the thickness of the circuit board is formed between the upper clamping plate 111 and the lower clamping plate 112, and a chute structure 113 is respectively arranged at the bottom of the upper clamping plate 111 and the top of the lower clamping plate 112 at the sliding end of the gap 110. The sliding groove structure 113 is convenient for the circuit board inside the charger to be assembled and slide into the gap 110 formed between the upper clamping plate 111 and the lower clamping plate 112 for clamping, and is practical and convenient.
Compared with the prior art, the utility model needs to insert the annular bulge of the surface cover shell into the welding ring groove of the charger shell during ultrasonic welding, and the annular bulge is in a conical structure with narrow upper part and wide lower part, so that the positioning assembly between the surface cover shell and the charger shell can be realized, and the welding efficiency is improved; meanwhile, when the annular bulge of the surface cover shell is inserted into the welding ring groove of the charger shell, a gap is formed between the inner wall surface of the charger shell and the outer wall surface of the retaining wall part, so that the arrangement is convenient for an external sheet tool to enter the ultrasonic welding seam through the gap to pry open, thereby improving the disassembly convenience of the charger shell and being easy to maintain; the outer wall surface of the blocking wall part of the surface cover shell is also provided with a limit stop along the circumferential direction, the limit stop can limit and support the inner wall surface of the charger shell, and welding lines are prevented from being broken when the side wall of the charger shell is subjected to external force, so that the stability of the welding structure of the shell is improved; in addition, because the height of the annular bulge is equal to the depth of the welding ring groove, namely, when the annular bulge is in a molten state under the action of ultrasonic vibration, the volume of the annular bulge is smaller than the volume of the welding ring groove, and the arrangement can avoid glue overflow during welding, thereby improving the aesthetic property of the product during welding.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An ultrasonic welding structure of charger casing, its characterized in that: the charger comprises a charger shell and a face cover shell which is welded with the charger shell through ultrasonic waves;
the cross section of the charger shell is of a rectangular structure, and a welding ring groove is formed in the top surface of the charger shell along the circumferential direction;
the surface cover shell comprises a surface cover part and a blocking wall part which is arranged vertically downwards with the surface cover part, and the cross section area of the blocking wall part is smaller than that of the surface cover part;
an annular bulge which is used for being contacted with the welding ring groove is arranged between the outer edge of the retaining wall part and the outer edge of the face cover part, and the annular bulge is of a conical structure with a narrow upper part and a wide lower part;
when the annular bulge of the surface cover shell is inserted into the welding ring groove of the charger shell, a gap is formed between the inner wall surface of the charger shell and the outer wall surface of the retaining wall part;
the outer wall surface of the retaining wall part is also provided with a plurality of limit stops along the circumferential direction, and the thickness of the protrusions of the limit stops away from the outer wall surface of the retaining wall part is equal to the width of the gap.
2. The ultrasonic welding structure of the charger housing according to claim 1, wherein: and one side of the top surface of the welding ring groove, which is close to the inner wall surface of the charger shell, is provided with a downward inclined tangent plane structure.
3. The ultrasonic welding structure of the charger housing according to claim 1, wherein: the top of the annular bulge is in a plane structure.
4. The ultrasonic welding structure of the charger housing according to claim 1, wherein: the middle part of face lid casing is equipped with the slot that is used for external data line male.
5. The ultrasonic welding structure of the charger housing according to claim 4, wherein: the top surface of face lid casing is concavely equipped with the heavy groove, the border of heavy groove is equipped with transition cambered surface structure.
6. The ultrasonic welding structure of the charger housing according to claim 1, wherein: the depth of the welding ring groove is 2-4 mm, and the height of the annular bulge is equal to the depth of the welding ring groove.
7. The ultrasonic welding structure of the charger housing according to claim 1, wherein: the width of the gap is 1-3 mm.
8. The ultrasonic welding structure of the charger housing according to claim 1, wherein: the limit stop and the retaining wall part are of an injection molding integrated structure.
9. The ultrasonic welding structure of the charger housing according to claim 1, wherein: and clamping plate assemblies for fixing the circuit board are respectively arranged on the two symmetrical inner side walls of the charger shell.
10. The ultrasonic welding structure of the charger housing of claim 9, wherein: the clamping plate assembly comprises an upper clamping plate and a lower clamping plate, a gap larger than the thickness of the circuit board is formed between the upper clamping plate and the lower clamping plate, and a sliding groove structure is respectively arranged at the bottom of the upper clamping plate and the top of the lower clamping plate at the sliding end of the gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411653.XU CN220107614U (en) | 2023-06-05 | 2023-06-05 | Ultrasonic welding structure of charger shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411653.XU CN220107614U (en) | 2023-06-05 | 2023-06-05 | Ultrasonic welding structure of charger shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220107614U true CN220107614U (en) | 2023-11-28 |
Family
ID=88866721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411653.XU Active CN220107614U (en) | 2023-06-05 | 2023-06-05 | Ultrasonic welding structure of charger shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220107614U (en) |
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2023
- 2023-06-05 CN CN202321411653.XU patent/CN220107614U/en active Active
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