CN219979893U - Waterproof plug for electric vehicle - Google Patents
Waterproof plug for electric vehicle Download PDFInfo
- Publication number
- CN219979893U CN219979893U CN202321179218.9U CN202321179218U CN219979893U CN 219979893 U CN219979893 U CN 219979893U CN 202321179218 U CN202321179218 U CN 202321179218U CN 219979893 U CN219979893 U CN 219979893U
- Authority
- CN
- China
- Prior art keywords
- plug
- front cover
- electric vehicle
- sealing
- waterproof
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 210000001503 joint Anatomy 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000010276 construction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a waterproof plug for an electric vehicle, which comprises a plug front cover and a plug rear cover, wherein a flow guide part extends towards one side of the plug front cover from the plug rear cover, the upper end of the plug front cover is abutted against the flow guide part, the end face of the lower part of the plug front cover is fixedly connected with the plug rear cover in a threaded manner, and a sealing structure is arranged between the plug front cover and the plug rear cover. According to the utility model, by arranging the flow guide part, water flow is prevented from entering the plug from the matched part above the plug front cover and the plug rear shell after the plug front cover and the plug rear shell are matched by adopting the annular spigot structure in the traditional mode, so that the waterproof performance of the plug is improved, and meanwhile, the plug front cover and the flow guide part are in butt joint and matched, so that the upper end of the plug front cover is matched with the plug rear shell, the number of screw joint fixing adopted when the plug front cover and the plug rear shell are fixed is reduced, and the plug is more convenient to assemble and disassemble.
Description
Technical Field
The utility model relates to the technical field of electrical appliance power connectors, in particular to a waterproof plug for an electric vehicle.
Background
In order to solve the potential safety hazard existing in the charging of the electric vehicle, an electric vehicle charging socket is usually arranged outdoors, and the electric vehicle is charged through connection with an electric vehicle charging plug and a charging wire.
The charging plug in the prior art generally comprises an upper cover and a lower cover, wherein the upper cover and the lower cover are covered by an annular spigot structure and are fixed in a threaded manner; the electric vehicle has the defects that on one hand, the electric vehicle is inevitably subjected to rainy days or humid weather when being charged outdoors, water flows can permeate into the upper cover and the lower cover along the upper end of the closing part of the charging plug cover and then enter the charging plug, potential safety hazards are easily caused, and on the other hand, the upper cover and the lower cover are usually fixed by adopting six screws in a screwed mode, so that the electric vehicle is inconvenient to assemble and disassemble.
There is thus a need for improvements and improvements in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a waterproof plug for an electric vehicle, which aims to solve the problems of poor waterproof performance and inconvenient disassembly in the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a waterproof plug for electric motor car, includes plug protecgulum and plug backshell, the plug backshell is towards plug protecgulum one side extends has the water conservancy diversion portion, the upper end of plug protecgulum with water conservancy diversion portion butt, the terminal surface of plug protecgulum lower part with plug backshell spiro union is fixed, just the plug protecgulum with be provided with seal structure between the plug backshell.
The sealing structure comprises a sealing groove arranged on the plug rear shell and a sealing protrusion arranged on the plug front cover, and a sealing piece is arranged in the sealing groove.
The plug front cover is provided with a resisting piece which is abutted with the flow guiding part.
The retaining piece and the plug front cover are of an integrated structure, the retaining piece is arranged close to one side of the plug rear shell, and the retaining piece is parallel to the plug front cover.
The height of the resisting piece is higher than that of the sealing bulge.
The plug front cover is provided with a clamping piece, and the plug rear shell is provided with a clamping block which is matched with the clamping piece.
The clamping piece is provided with a reinforcing part, and the reinforcing part and the clamping piece are of an integrated structure.
The waterproof plug further comprises a power connecting wire, the lower ends of the plug front cover and the plug rear shell extend to form clamping portions for clamping the power connecting wire, abutting pieces are radially arranged on the power connecting wire and abut against the end faces of the clamping portions, and therefore the power connecting wire is limited between the plug front cover and the plug rear shell.
The clamping part with be provided with the sealing ring between the power connecting wire, the inner wall of sealing ring is provided with annular bulge, be provided with on the power connecting wire with the annular groove of the protruding adaptation of annular.
The sealing piece and the plug rear shell are of an integrated structure.
Compared with the prior art, the waterproof plug for the electric vehicle comprises the plug front cover and the plug rear shell, wherein the plug rear shell extends towards one side of the plug front cover and is provided with the flow guide part, the upper end of the plug front cover is abutted with the flow guide part, the end face of the lower part of the plug front cover is fixedly connected with the plug rear shell in a threaded manner, and a sealing structure is arranged between the plug front cover and the plug rear shell. According to the utility model, by arranging the flow guide part, water flow is prevented from entering the plug from the matched part above the plug front cover and the plug rear shell after the plug front cover and the plug rear shell are matched by adopting the annular spigot structure in the traditional mode, so that the waterproof performance of the plug is improved, and meanwhile, the plug front cover and the flow guide part are in butt joint and matched, so that the upper end of the plug front cover is matched with the plug rear shell, the number of screw joint fixing adopted when the plug front cover and the plug rear shell are fixed is reduced, and the plug is more convenient to assemble and disassemble.
Drawings
Fig. 1 is an exploded view of a waterproof plug for an electric vehicle according to the present utility model.
Fig. 2 is a schematic structural view of a plug rear case and a power connection line of the waterproof plug for an electric vehicle.
Fig. 3 is a schematic structural view of a plug front cover of the waterproof plug for an electric vehicle.
Fig. 4 is a schematic structural diagram of a power connection line of a waterproof plug for an electric vehicle.
Detailed Description
In order to make the objects, technical solutions and effects of the present utility model clearer and more specific, the present utility model will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is noted that when an element is referred to as being "mounted," "secured," or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
It should be noted that, in the embodiments of the present utility model, terms such as left, right, up, and down are merely relative concepts or references to normal use states of the product, and should not be construed as limiting.
The utility model provides a waterproof plug for an electric vehicle, referring to fig. 1-4, which comprises a plug front cover 1 and a plug rear cover 2, wherein a flow guide part 21 extends towards one side of the plug front cover 1 from the plug rear cover 2, the upper end of the plug front cover 1 is abutted against the flow guide part 21, the end surface of the lower part of the plug front cover 1 is fixedly connected with the plug rear cover 2 in a threaded manner, and a sealing structure is arranged between the plug front cover 1 and the plug rear cover 2. According to the utility model, by arranging the flow guide part 21, water flow enters the plug from the matched position above the plug front cover 1 and the plug rear shell 2 after the plug front cover 1 and the plug rear shell 2 are matched by adopting an annular spigot structure in the traditional mode, so that the waterproof performance of the plug is improved, and meanwhile, the plug front cover 1 and the flow guide part 21 are in abutting fit, so that the upper end of the plug front cover 1 is matched with the plug rear shell 2, the number of screw connection fixing adopted when the plug front cover 1 and the plug rear shell 2 are fixed is reduced, and the plug is more convenient to assemble and disassemble.
Further, a countersunk hole (not shown in the figure) is formed in the end face of the lower portion of the plug front cover 1, a threaded column 22 is arranged on the inner side of the plug rear shell 2, the countersunk hole and the threaded column 22 are coaxially arranged, a countersunk screw is fixedly connected with the threaded column 22 in a threaded mode through the countersunk hole, the end face of the countersunk screw is flush with the end face of the plug front cover 1, and therefore the surface of the plug is attractive.
Further, the sealing structure comprises a sealing groove 31 arranged on the plug rear shell 2 and a sealing protrusion 32 arranged on the plug front cover 1, and a sealing element 33 is arranged in the sealing groove 31. The sealing piece 33 is a fluorine rubber sealing ring or a silica gel sealing ring, and when the sealing protrusion 32 is assembled with the sealing groove 31, the sealing ring or the sealing rubber is extruded, so that the assembly of the plug front cover 1 and the plug rear shell 2 is more compact, and water flow is prevented from entering the plug from the assembly position of the plug front cover and the plug rear shell. Of course, the sealant may be added into the sealing groove 31 to achieve the same sealing effect as the sealing ring, and the present utility model is not limited thereto. The sealing structure is formed by matching a Shan Gong spigot with a double female spigot, so that deformation of the plug front cover 1 after installation can be effectively limited.
Further, the plug front cover 1 is provided with the resisting piece 11 abutted with the diversion part 21, and the number of screw fastening adopted when the plug front cover 1 is assembled with the plug rear shell 2 in the traditional mode is reduced through the abutting piece 11 abutted with the diversion part 21, so that the plug is more convenient to assemble and disassemble. Meanwhile, the retaining piece 11, the sealing protrusion 32 and the double female spigot on the plug rear housing 2 form a secondary spigot structure, so that the plug front cover 1 and the guide portion 21 are more stably matched.
Further, the retaining piece 11 and the plug front cover 1 are of an integrated structure, so that the plug front cover is convenient to form, the strength of the retaining piece 11 is improved, the retaining piece 11 is close to one side of the plug rear shell 2, the retaining piece 11 is parallel to the plug front cover 1, and after the retaining piece 11 is abutted to the guide part 21, the sealing groove 31 and the sealing protrusion 32 can be matched accurately.
Further, the height of the resisting piece 11 is higher than the height of the sealing protrusion 32, which is beneficial to the contact between the resisting piece 11 and the diversion part 21 before the sealing protrusion 32 is matched with the sealing groove 31, and plays a guiding role in the assembly of the sealing protrusion 32 and the sealing groove 31; meanwhile, the contact area of the resisting piece 11 and the flow guiding part 21 is increased, and the sealing effect of the secondary spigot structure is further improved. When the plug front cover 1 is assembled with the plug rear shell 2, the upper end of the resisting piece 11 firstly enters the guide part 21, and then the plug front cover 1 is pushed to be assembled with the plug rear shell 2 along the end face of the plug front cover 1 until the sealing protrusion 32 is tightly matched with the sealing groove 31, so that the assembly process is simple and quick.
Further, the plug front cover 1 is provided with a locking piece 12, the plug rear housing 2 is provided with a locking piece 23 adapted to the locking piece 12, and the locking piece 12 is provided with a locking hole (not labeled in the figure) locked with the locking piece 23. The inner side end surface of the plug front cover 1 extends towards one side of the plug rear shell 2 to form a clamping piece 12, and the clamping piece 12 is attached to the side wall of the plug front cover 1, so that the strength of the clamping piece 12 is improved; the inner wall of plug backshell 2 is provided with four block 23, and two liang of block 23 are located the unilateral inner wall of plug backshell 2 respectively, reinforcing plug backshell 2 with the stability of plug protecgulum 1 joint, block 23 is trapezoidal block 23, be provided with the guide face (not shown in the figure) that is used for guiding the assembly of block 12 and block 23 on the block 12, will the inclined plane contact of guide face and block 23 presses plug protecgulum 1, and block 23 can with the Kong Wancheng joint of block, so far can accomplish the cooperation of plug protecgulum 1 and plug backshell 2 at the middle part.
Further, the engaging member 12 is provided with a reinforcing portion 13, and the reinforcing portion 13 and the engaging member 12 are integrally formed; the shape of the reinforcing part 13 is the same as that of the clamping piece 12, and the strength of the clamping piece 12 is improved due to the arrangement of the reinforcing part 13, so that the situation that the clamping piece 12 is broken due to insufficient strength of the clamping piece 12 in the clamping process of the clamping piece 12 and the clamping block 23 is avoided, and on the other hand, the reinforcing part 13 and the clamping piece 12 are matched with the clamping block 23 at the same time, the contact area with the clamping block 23 is increased, and the clamping stability is improved.
Further, the waterproof plug further comprises a power connection wire 4, the lower ends of the plug front cover 1 and the plug rear shell 2 are extended with a clamping portion 24 for clamping the power connection wire 4, an abutting piece 41 is arranged on the power connection wire 4 along the radial direction, and the abutting piece 41 abuts against the end face of the clamping portion 24 so as to limit the power connection wire 4 between the plug front cover 1 and the plug rear shell 2. The clamping part 24 extending from the lower ends of the plug front cover 1 and the plug rear shell 2 is a semi-hollow cylinder, and after the plug front cover 1 and the plug rear shell 2 are assembled, the clamping part 24 clamps the power connecting wire 4 and is in abutting fit with the clamping part 24 through the abutting piece 41, so that the power connecting wire 4 is installed on the clamping part 24.
Further, a sealing ring 5 is disposed between the clamping portion 24 and the power connection wire 4, an annular protrusion (not shown in the figure) is disposed on an inner wall of the sealing ring 5, and an annular groove 42 adapted to the annular protrusion is disposed on the power connection wire 4. The sealing ring 5 is sleeved on the power connecting wire 4, the annular protrusion is matched with the annular groove 42, the lower end of the sealing piece 33 is arranged on the sealing ring 5, and the clamping part 24 clamps the power connecting wire 4 sleeved with the sealing ring 5 and the sealing piece 33 so as to seal the joint of the power connecting wire 4, the plug front cover 1 and the plug rear shell 2.
In the present utility model, the sealing member 33 and the plug rear housing 2 are integrally formed. The sealing element 33 and the plug rear shell 2 are integrally formed through a double-color injection molding or secondary forming process, so that the assembly steps of the plug are reduced, the assembly efficiency is improved, and the sealing effect is improved. In addition, the sealing member 33 and the sealing ring 5 may be made of the same material, and the sealing ring 5, the sealing member 33 and the plug rear housing 2 may be integrally formed by a two-color injection molding process or a two-time molding process.
In summary, the waterproof plug for the electric vehicle provided by the utility model comprises a plug front cover and a plug rear cover, wherein a diversion part extends towards one side of the plug rear cover, the upper end of the plug front cover is abutted against the diversion part, the end face of the lower part of the plug front cover is fixedly connected with the plug rear cover in a threaded manner, and a sealing structure is arranged between the plug front cover and the plug rear cover. According to the utility model, by arranging the flow guide part, water flow is prevented from entering the plug from the matched part above the plug front cover and the plug rear shell after the plug front cover and the plug rear shell are matched by adopting the annular spigot structure in the traditional mode, so that the waterproof performance of the plug is improved, and meanwhile, the plug front cover and the flow guide part are in butt joint and matched, so that the upper end of the plug front cover is matched with the plug rear shell, the number of screw joint fixing adopted when the plug front cover and the plug rear shell are fixed is reduced, and the plug is more convenient to assemble and disassemble.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.
Claims (10)
1. The waterproof plug for the electric vehicle is characterized by comprising a plug front cover and a plug rear shell, wherein a flow guide part extends towards one side of the plug front cover, the upper end of the plug front cover is in butt joint with the flow guide part, the end face of the lower part of the plug front cover is fixedly connected with the plug rear shell in a threaded manner, and a sealing structure is arranged between the plug front cover and the plug rear shell.
2. The waterproof plug for an electric vehicle according to claim 1, wherein the sealing structure includes a sealing groove provided in the plug rear case and a sealing protrusion provided in the plug front cover, and a sealing member is provided in the sealing groove.
3. The waterproof plug for an electric vehicle according to claim 2, wherein the plug front cover is provided with a retaining piece abutting against the deflector.
4. A waterproof plug for an electric vehicle according to claim 3, wherein the retaining piece and the plug front cover are integrally formed, the retaining piece is disposed near one side of the plug rear housing, and the retaining piece is parallel to the plug front cover.
5. A waterproof plug for an electric vehicle according to claim 3, wherein the height of the retaining piece is higher than the height of the sealing protrusion.
6. The waterproof plug for an electric vehicle according to claim 1, wherein the plug front cover is provided with a locking piece, and the plug rear housing is provided with a locking piece adapted to the locking piece.
7. The waterproof plug for an electric vehicle according to claim 6, wherein the engaging member is provided with a reinforcing portion, and the reinforcing portion and the engaging member are integrally formed.
8. The waterproof plug for an electric vehicle according to claim 1, further comprising a power connection wire, wherein the plug front cover and the plug rear case have a grip portion extending from lower ends thereof for gripping the power connection wire, and an abutment member is radially provided on the power connection wire, the abutment member abutting an end face of the grip portion to define the power connection wire between the plug front cover and the plug rear case.
9. The waterproof plug for an electric vehicle according to claim 8, wherein a sealing ring is provided between the clamping portion and the power connection line, an annular protrusion is provided on an inner wall of the sealing ring, and an annular groove adapted to the annular protrusion is provided on the power connection line.
10. The waterproof plug for an electric vehicle of claim 2, wherein the seal is of an integrally formed construction with the plug rear housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321179218.9U CN219979893U (en) | 2023-05-16 | 2023-05-16 | Waterproof plug for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321179218.9U CN219979893U (en) | 2023-05-16 | 2023-05-16 | Waterproof plug for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979893U true CN219979893U (en) | 2023-11-07 |
Family
ID=88583890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321179218.9U Active CN219979893U (en) | 2023-05-16 | 2023-05-16 | Waterproof plug for electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979893U (en) |
-
2023
- 2023-05-16 CN CN202321179218.9U patent/CN219979893U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |