CN212367742U - Waterproof power supply structure easy to assemble - Google Patents
Waterproof power supply structure easy to assemble Download PDFInfo
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- CN212367742U CN212367742U CN202021939853.9U CN202021939853U CN212367742U CN 212367742 U CN212367742 U CN 212367742U CN 202021939853 U CN202021939853 U CN 202021939853U CN 212367742 U CN212367742 U CN 212367742U
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- electric connection
- waterproof
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- power supply
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Abstract
An easily assembled waterproof power supply structure comprises a shell, a circuit board, an SR line and a fastener, wherein an electric connection part and a fastening matching part are integrally formed on the shell; the circuit board is arranged in the shell and is electrically connected with the other end of the electric connection part. The utility model discloses an above-mentioned structure's improvement, can realize the SR line, a housing, the quick fastening connection between the circuit board, avoid prior art trompil on the casing in addition, assemble the power lead wire on the hole afterwards, the power lead wire just can be accomplished to the encapsulating again, a housing, assemble between the circuit board, the assembly process that brings is many, low in production efficiency, and a series of problems such as waterproof stability difference, simultaneously because the circuit board is built-in the casing, consequently can protect the circuit board well, make the circuit board reach good sealed waterproof assembly effect.
Description
Technical Field
The utility model relates to a waterproof power supply structure of easy assembly.
Background
Chinese patent document No. CN209562392U discloses a waterproof power adapter in 2019, 10 and 29, which includes a casing, a circuit board disposed in the casing, and power leads disposed at two ends of the casing, wherein the casing is provided with wiring holes corresponding to the power leads, the power leads are hermetically connected to the wiring holes through sealing members, the casing includes a bottom case, and a cover body covering an opening of the bottom case, the cover body includes a cover plate and a guide sloping plate disposed on an edge of the cover plate, a top end of the guide sloping plate is connected to the cover plate, a bottom end of the guide sloping plate is connected to the bottom case, and a glue filling groove for filling a sealant is formed between the guide sloping plate and an inner side wall of the bottom case; and a glue storage groove is arranged on the bottom shell corresponding to the wiring hole, and the glue pouring groove is communicated with the glue storage groove. When the power supply lead with the structure is installed, the power supply lead is firstly preassembled on a wiring hole of the shell, then, a machine or a worker waits for glue filling operation to be completed, and finally, the waterproof assembly of the power supply lead can be realized after glue is solidified, the assembly procedures are multiple, the production efficiency is low, meanwhile, the using amount, the flowing direction, the solidification time and the like of the glue cannot be controlled, and the waterproof stability of the power supply lead is poor. Therefore, further improvements are necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a waterproof power supply structure of easy assembly to overcome among the prior art many, the low and weak point of waterproof stability of power supply lead wire assembly process.
Design according to this waterproof power supply structure of easy assembly of this purpose, including casing, circuit board and SR line, its characterized in that: the device also comprises a fastener; the SR line is integrally formed with an electric connection matching part, is electrically connected with one end of the electric connection matching part through the electric connection matching part, and is fixedly connected with the shell through the matching of the fastener and the fastening matching part; the circuit board is arranged in the shell and is electrically connected with the other end of the electric connection part.
Still be provided with waterproof, and the two passes through waterproof formula fastening connection of waterproof between SR line and the casing.
The fastener and the fastening matching part are matched with each other through threads, buckles or sticking.
The fastener is a nut piece; the outer side wall of the shell is integrally formed with a hollow convex column; the fastening matching part is a threaded part and is integrally arranged on the periphery of the hollow convex column; the SR line penetrates through the nut piece and is in threaded fit with the threaded portion of the hollow convex column through the nut piece, and therefore the SR line is fixedly connected with the shell.
The housing is made of plastic; the electric connection part is arranged on the shell in an injection molding mode and one end of the electric connection part is positioned in the hollow convex column; the SR wire is positioned and inserted in the hollow convex column and is electrically connected with one end of the electric connection part through the electric connection matching part; the other end of the electric connection part is positioned in the shell and is electrically connected with the circuit board.
The inner end of the nut piece is provided with a positioning part; the SR line is provided with a plug-in part and a positioning matching part, wherein the peripheral size of the plug-in part is smaller than the inner space size of the hollow convex column; the SR wire is positioned and inserted in the hollow convex column through the insertion part; the nut piece passes through the SR line and is positioned and acted on the positioning matching part of the SR line through the positioning part.
The peripheral size of the positioning matching part is larger than that of the inserting part and the hollow size of the hollow convex column; the waterproof piece is sleeved on the inserting part and positioned between the positioning matching part and the hollow convex column; the nut piece act on and drive location cooperation portion extrusion waterproof piece through location portion when the assembly, waterproof piece produces deformation, and sealed laminating on the clearance that forms between location cooperation portion and hollow projection through the extrusion of location cooperation portion to realize the waterproof formula fastening connection between SR line and the casing.
The shell comprises a first shell and a second shell, the first shell and the second shell are respectively made of plastics and fixedly connected with each other, and a cavity is formed between the first shell and the second shell; the circuit board is arranged in the cavity; the electric connection part is integrally arranged on the first shell or the second shell in an injection molding mode, one end of the electric connection part is positioned outside the cavity and is electrically connected with the electric connection matching part of the SR wire, and the other end of the electric connection part is positioned in the cavity and is electrically connected with the circuit board.
The circuit board is provided with a conductive part; the electric connection part is assembled on the conductive part, and the electric connection part and the conductive part are assembled and then electrically connected through welding.
The first shell is provided with a slot position, the second shell is provided with a pin, or the first shell is provided with a pin, and the second shell is provided with a slot position.
And a sealing element is arranged on the slot position.
The first shell and the second shell are mutually fixed and extrude the sealing element through the pin, the sealing element deforms through the extrusion of the pin and is in sealing fit with a gap formed between the pin and the groove position, and therefore the first shell and the second shell are fixedly connected in a sealing mode.
The utility model discloses an above-mentioned structure's improvement, integrated into one piece has electric connection portion on the casing, SR line utilizes integrated into one piece's electricity connection cooperation portion and electric connection portion one end electric connection on it, on fastener and the casing of recycling afterwards integrated into one piece's fastening cooperation portion mutually support, thereby realize the fastening connection between SR line and the casing, because fastener and fastening cooperation portion complex fastening effect, consequently, enable the firm assembly of SR line on the casing, avoid the external force reason to lead to SR line pine to take off the problem of casing, improve the stability in use and the life-span of product.
The other end of the electric connection part is electrically connected with the circuit board in the shell, thereby realizing the mutual rapid assembly of the SR line and the circuit board, avoiding the prior art to open a hole on the shell in addition, then assemble the power lead on the hole, the power lead can be completed by glue pouring, the shell, the assembly between the circuit boards, the assembly processes brought are many, the production efficiency is low, and a series of problems such as poor waterproof stability, thereby the shell is effectively simplified, the assembly structure between the circuit board and the SR line, the production cost is reduced, the production efficiency is improved, meanwhile, because the circuit board is built in the shell, the circuit board can be well protected, and the circuit board achieves a good sealing waterproof assembly effect.
In summary, the multifunctional electric heating cooker has the characteristics of simple and reasonable structure, excellent performance, low manufacturing cost, convenience in use, safety, reliability, comfort and the like, and is high in practicability.
Drawings
Fig. 1 and 2 are schematic exploded structural diagrams according to an embodiment of the present invention.
Fig. 3 and 4 are schematic views of an assembly structure according to an embodiment of the present invention.
Fig. 5 is a schematic view of a cross-sectional assembly structure according to an embodiment of the present invention.
Fig. 6 is an enlarged schematic view of a portion a in fig. 5.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-6, the waterproof power supply structure easy to assemble comprises a shell, a circuit board 1, an SR wire 2 and a fastener; the SR wire 2 is integrally formed with an electric connection matching part 4, is electrically connected with one end of the electric connection matching part 3 through the electric connection matching part 4, and is fixedly connected with the shell through the matching of a fastener and the fastening matching part; the circuit board 1 is arranged in the shell and is electrically connected with the other end of the electric connection part 3.
Integrated into one piece has electric connection portion 3 on the casing, SR line 2 utilizes integrated into one piece's electricity connection cooperation portion 4 and the 3 one end electric connection of electric connection portion on it, reuse fastener and casing on integrated into one piece's fastening cooperation portion mutually support afterwards, thereby realize the fastening connection between SR line 2 and the casing, because fastener and fastening cooperation portion complex fastening effect, consequently enable the firm assembly of SR line 2 on the casing, avoid the external force reason to lead to SR line 2 to loosen the problem of taking off the casing, the stability in use and the life-span of improvement product.
The other end of the electric connection part 3 is electrically connected with the circuit board 1 in the shell, thereby realizing the rapid assembly of the SR line 2 and the circuit board 1 between each other, avoiding the prior art to open a hole on the shell in addition, then assemble the power lead on the hole, the power lead can be completed by glue pouring, the shell, the assembly between the circuit boards, the assembly processes brought are many, the production efficiency is low, and a series of problems such as poor waterproof stability, thereby the shell is effectively simplified, the assembly structure between the circuit board 1 and the SR line 2, the production cost is reduced, the production efficiency is improved, meanwhile, because the circuit board 1 is built-in the shell, the circuit board 1 can be well protected, and the circuit board 1 achieves a good sealing waterproof assembly effect.
In order to further improve the sealing and waterproof effect of the SR wire 2 during assembly, a waterproof piece 5 is further arranged between the SR wire 2 and the shell, and the SR wire 2 and the shell are connected through the waterproof piece 5 in a waterproof fastening mode.
The fastening member and the fastening engagement portion may be engaged with each other by a screw thread, a snap fit, or an adhesive.
The preferred fastener of this embodiment is a nut member 6; the outer side wall of the shell is integrally formed with a hollow convex column 7; the fastening matching part is a threaded part 8 and is integrally arranged on the periphery of the hollow convex column 7; the SR line 2 penetrates through the nut piece 6 and is in threaded fit with the threaded part 8 of the hollow convex column 7 through the nut piece 6, so that the SR line 2 is fixedly connected with the shell.
The nut member 6 is engaged with the hollow boss 7 by means of screw threads, so that the assembly process of the nut member and the hollow boss is simplified, and the interaction of the screw threads enables the assembly of the nut member and the hollow boss to be quite firm, so that the SR wire 2 is tightly assembled on the shell.
In order to further reduce the production costs, the housing is made of plastic; the electric connection part 3 is a metal connecting piece and is arranged on the shell in an injection molding mode, and one end of the electric connection part is positioned in the hollow convex column 7; the electric connection matching part 4 is a metal plug hole and is arranged at the end part of the SR line 2; the SR wire 2 is positioned and inserted in the hollow convex column 7 and is electrically connected with one end of the electric connection part 3 through the electric connection matching part 4; the other end of the electric connection part 3 is positioned in the shell and is electrically connected with the circuit board 1.
Furthermore, the inner end of the nut piece 6 is provided with a positioning part 9; the SR wire 2 is provided with a plug-in part 10 and a positioning matching part 11, wherein the peripheral size of the plug-in part 10 is smaller than the inner space size of the hollow convex column 7; the SR wire 2 is positioned and inserted in the hollow convex column 7 through the insertion part 10; the nut piece 6 penetrates through the SR line 2 and is positioned and acted on the positioning matching part 11 of the SR line 2 through the positioning part 9.
The peripheral size of the positioning matching part 11 is larger than that of the inserting part 10 and the hollow size of the hollow convex column 7; the waterproof piece 5 is sleeved on the inserting part 10 and positioned between the positioning matching part 11 and the hollow convex column 7; nut piece 6 when the assembly through location portion 9 effect and drive location cooperation portion 11 extrusion waterproof 5, waterproof 5 produces deformation, and sealed laminating on the clearance that forms between location cooperation portion 11 and hollow projection 7 through the extrusion of location cooperation portion 11 to realize the waterproof formula fastening connection between SR line 2 and the casing.
Utilize nut 6 to promote location cooperation portion 11 through location portion 9 when the assembly, location cooperation portion 11 extrudees waterproof 5 afterwards, make waterproof 5 seal the clearance that the laminating formed between location cooperation portion 11 and hollow projection 7, thereby all gaps that form when the assembly between SR line 2 and the casing have been filled up effectively, with the inside that prevents steam entering casing completely, the waterproof performance of product has been improved widely, also corresponding improvement the safety in utilization and the life of product, the difficult technical problem of prior art waterproof has been solved effectively.
Further, the housing comprises a first housing 12 and a second housing 13, the first housing 12 and the second housing 13 are respectively made of plastic and fixedly connected with each other, and a cavity 14 is formed between the first housing 12 and the second housing 13; the circuit board 1 is arranged in the cavity 14; the electric connection part 3 is integrally arranged on the first shell 12 or the second shell 13 in an injection molding manner, one end of the electric connection part is positioned outside the cavity 14 and is electrically connected with the electric connection matching part 4 of the SR wire 2, and the other end of the electric connection part is positioned in the cavity 14 and is electrically connected with the circuit board 1.
The circuit board 1 is provided with a conductive part 15; the electric connection part 3 is assembled on the electric conduction part 15, and the electric connection is realized by welding after the electric connection part and the electric conduction part are assembled.
The electrical connection portion 3 is a metal connection piece and is L-shaped, one end of the electrical connection portion is located outside the cavity 14 and is electrically connected with the electrical connection matching portion 4 of the SR wire 2 in a quick-plugging manner, the other end of the electrical connection portion is located in the cavity 14 and is quickly plugged with the conductive portion 15 on the circuit board 1, and then the electrical connection is achieved through soldering tin. By means of the quick insertion mode, quick assembly between the SR line 2 and the circuit board 1 can be achieved, the assembly structure is simplified, the production difficulty is reduced, and the nut piece 6 is matched, so that firm connection among the shell, the circuit board 1 and the SR line 2 is guaranteed.
The first housing 12 is provided with a slot 16 and the second housing 13 is provided with a pin 17, or the first housing 12 is provided with a pin 17 and the second housing 13 is provided with a slot 16.
A seal 18 is provided in the slot 16.
The first shell 12 and the second shell 13 are fixed to each other, the pin 17 presses the sealing element 18, and the sealing element 18 deforms by the pressing of the pin 17 and is in sealing fit with a gap formed between the pin 17 and the slot 16, so that the first shell 12 and the second shell 13 are fixedly connected in a sealing manner.
The sealing element 18 is extruded by the pin 17 during assembly, so that the sealing element 18 is tightly attached to a gap formed between the pin 17 and the groove 16, all gaps formed between the first shell 12 and the second shell 13 during assembly are effectively filled, water vapor is completely prevented from entering the cavity 14, the waterproof performance of the product is greatly improved, the use safety and the service life of the product are correspondingly improved, the technical problem of difficult water prevention in the prior art is effectively solved, and the sealing waterproof effect of the product is improved to the maximum extent.
The first housing 12 and the second housing 13 may be fixed by clamping, welding, screws, glue, or the like, and the fixing manner is not limited in this embodiment.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but rather that various changes and modifications may be made without departing from the spirit and scope of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a waterproof power supply structure of easy assembly, includes casing, circuit board (1) and SR line (2), its characterized in that: the device also comprises a fastener; the SR wire (2) is integrally formed with an electric connection matching part (4), electrically connected with one end of the electric connection matching part (3) through the electric connection matching part (4), and fixedly connected with the shell through the matching of the fastener and the fastening matching part; the circuit board (1) is arranged in the shell and is electrically connected with the other end of the electric connection part (3).
2. The waterproof power supply structure easy to assemble according to claim 1, characterized in that: still be provided with between SR line (2) and the casing waterproof (5), and the two is through waterproof fastening connection of waterproof (5).
3. The waterproof power supply structure easy to assemble according to claim 2, characterized in that: the fastener and the fastening matching part are matched with each other through threads, buckles or sticking.
4. The waterproof power supply structure easy to assemble according to claim 3, characterized in that: the fastener is a nut piece (6); the outer side wall of the shell is integrally formed with a hollow convex column (7); the fastening matching part is a threaded part (8) and is integrally arranged on the periphery of the hollow convex column (7); the SR line (2) penetrates through the nut piece (6) and is in threaded fit with the threaded portion (8) of the hollow convex column (7) through the nut piece (6) so as to achieve fastening connection between the SR line (2) and the shell.
5. The waterproof power supply structure easy to assemble according to claim 4, wherein: the housing is made of plastic; the electric connection part (3) is integrally arranged on the shell in an injection molding manner, and one end of the electric connection part is positioned in the hollow convex column (7); the SR wire (2) is positioned and inserted in the hollow convex column (7) and is electrically connected with one end of the electric connection part (3) through the electric connection matching part (4); the other end of the electric connection part (3) is positioned in the shell and is electrically connected with the circuit board (1).
6. The waterproof power supply structure easy to assemble according to claim 5, wherein: the inner end of the nut piece (6) is provided with a positioning part (9); the SR wire (2) is provided with an inserting part (10) and a positioning matching part (11), wherein the peripheral size of the inserting part (10) is smaller than the inner space size of the hollow convex column (7); the SR wire (2) is positioned and inserted in the hollow convex column (7) through the insertion part (10); the nut piece (6) penetrates through the SR line (2) and is positioned and acted on a positioning matching part (11) of the SR line (2) through a positioning part (9).
7. The waterproof power supply structure easy to assemble according to claim 6, wherein: the peripheral size of the positioning matching part (11) is larger than that of the inserting part (10) and the hollow size of the hollow convex column (7); the waterproof piece (5) is sleeved on the insertion part (10) and positioned between the positioning matching part (11) and the hollow convex column (7); nut spare (6) when the assembly through location portion (9) effect and drive location cooperation portion (11) extrusion waterproof piece (5), waterproof piece (5) produce deformation, and sealed laminating on the clearance that forms between location cooperation portion (11) and hollow projection (7) through the extrusion of location cooperation portion (11) to realize the waterproof formula fastening connection between SR line (2) and the casing.
8. An easily assembled waterproof power supply structure according to any one of claims 1 to 7, wherein: the shell comprises a first shell (12) and a second shell (13), the first shell (12) and the second shell (13) are respectively made of plastics and fixedly connected with each other, and a cavity (14) is formed between the first shell and the second shell; the circuit board (1) is arranged in the cavity (14); the electric connection part (3) is integrally arranged on the first shell (12) or the second shell (13) in an injection molding manner, one end of the electric connection part is positioned outside the cavity (14) and is electrically connected with the electric connection matching part (4) of the SR wire (2), and the other end of the electric connection part is positioned in the cavity (14) and is electrically connected with the circuit board (1).
9. The waterproof power supply structure easy to assemble according to claim 8, wherein: the circuit board (1) is provided with a conductive part (15); the electric connection part (3) is assembled on the electric conduction part (15), and the electric connection is realized by welding after the electric connection part and the electric conduction part are assembled.
10. The waterproof power supply structure easy to assemble according to claim 8, wherein: a slot position (16) is arranged on the first shell (12), a pin (17) is arranged on the second shell (13), or the pin (17) is arranged on the first shell (12), and the slot position (16) is arranged on the second shell (13);
a sealing element (18) is arranged on the slot position (16);
the first shell (12) and the second shell (13) are mutually fixed and extrude the sealing element (18) through the pin (17), and the sealing element (18) deforms through the extrusion of the pin (17) and is in sealing fit with a gap formed between the pin (17) and the groove position (16) so as to realize the sealing type fixed connection between the first shell (12) and the second shell (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021939853.9U CN212367742U (en) | 2020-09-07 | 2020-09-07 | Waterproof power supply structure easy to assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021939853.9U CN212367742U (en) | 2020-09-07 | 2020-09-07 | Waterproof power supply structure easy to assemble |
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| Publication Number | Publication Date |
|---|---|
| CN212367742U true CN212367742U (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021939853.9U Active CN212367742U (en) | 2020-09-07 | 2020-09-07 | Waterproof power supply structure easy to assemble |
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| CN (1) | CN212367742U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517597A (en) * | 2021-03-31 | 2021-10-19 | 海洋王（东莞）照明科技有限公司 | Explosion-proof charger |
-
2020
- 2020-09-07 CN CN202021939853.9U patent/CN212367742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517597A (en) * | 2021-03-31 | 2021-10-19 | 海洋王（东莞）照明科技有限公司 | Explosion-proof charger |
| CN113517597B (en) * | 2021-03-31 | 2024-04-19 | 深圳市海洋王石油照明技术有限公司 | Explosion-proof charger |
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