CN221102549U - Waterproof and electric shock-proof power adapter - Google Patents
Waterproof and electric shock-proof power adapter Download PDFInfo
- Publication number
- CN221102549U CN221102549U CN202322679650.0U CN202322679650U CN221102549U CN 221102549 U CN221102549 U CN 221102549U CN 202322679650 U CN202322679650 U CN 202322679650U CN 221102549 U CN221102549 U CN 221102549U
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- Prior art keywords
- plug
- protection box
- power adapter
- extension part
- waterproof
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- 238000007789 sealing Methods 0.000 claims description 37
- 238000005096 rolling process Methods 0.000 claims description 3
- 206010014357 Electric shock Diseases 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 5
- 230000001681 protective effect Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model relates to the technical field of power adapters and discloses a waterproof and electric shock-proof power adapter which comprises a plug, a limiting block on the plug and a protection box sleeved outside the plug; the protection box is provided with a chute matched with the limiting block, one end of the limiting block extends into the chute, and the plug is in sliding connection with the protection box through the limiting block; the plug is provided with an extension part which is convenient for drawing the plug, a groove which is away from the USB interface is formed in the extension part in a recessed mode, and the extension part is provided with a wire outlet hole for the data wire to extend out; the upper end of the protection box is provided with a notch avoiding the extension part and a boss limiting the sliding position of the plug, and the lower end of the protection box is provided with an opening for the pins to extend out; the groove and the boss are enclosed to form an accommodating space for installing the USB connector; the utility model has simple structure, the metal pins are not exposed in the protection box in the process of pulling out the power adapter, the electric shock risk is avoided, and the protection box also plays a role in preventing water at the joint of the power adapter body and the USB interface.
Description
Technical Field
The utility model relates to the technical field of power adapters, in particular to a waterproof and electric shock-proof power adapter.
Background
The power adapter is a power supply conversion device for small portable electronic equipment and electronic appliances, and is generally composed of components such as a shell, a transformer, an inductor, a capacitor, a control IC, a PCB and the like, and the working principle of the power adapter is that the power adapter is converted from alternating current input to direct current output. The USB interface of the power adapter of the mobile phone and the LED lamp which are common in life is usually arranged above the shell, the shell is spliced by plastic, the spliced part is not completely sealed, and the waterproof effect is not achieved; if water is carelessly splashed onto the power adapter during use, the water can infiltrate into the power adapter from a gap between the USB interface and the plastic shell to cause short circuit; if the user directly pulls out the power adapter which is electrified and enters water at the moment, electric shock accidents are likely to occur due to the fact that fingers touch the metal plug, and certain potential safety hazards exist; for this reason, there is an urgent need for a power adapter having an electric shock preventing function to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide a waterproof and electric shock-proof power adapter which can well solve the problems.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
The utility model provides a waterproof and electric shock-proof power adapter, which comprises a plug, a limiting block arranged on the plug and a protection box sleeved outside the plug; the left and right inner side walls of the protection box are respectively provided with a chute matched with the limiting block, one end of the limiting block extends into the chute, the chute is in a straight shape and is vertically arranged, and the plug is in sliding connection with the protection box through the limiting block; the upper end of the plug is provided with a USB interface and an extension part which is convenient for drawing the plug, the inside of the extension part is sunken to form a groove which avoids the USB interface, and the extension part is also provided with a wire outlet hole for the data wire to extend out; the upper end of the protection box is provided with a notch avoiding the extension part and a boss limiting the sliding position of the plug, and the lower end of the protection box is provided with an opening allowing the pins of the plug to extend out; when the USB connector is assembled in place, the notch is blocked by the extension part, and a containing space for installing the USB connector is formed by enclosing the inner side wall of the groove and the inner side wall of the boss.
The waterproof and electric shock-proof power adapter is characterized in that a bearing is sleeved on the limiting block, and the bearing is in rolling fit with the inner side wall of the sliding groove.
The utility model relates to a waterproof and electric shock-proof power adapter, which further comprises a sealing assembly, wherein the sealing assembly comprises baffle plates which are oppositely arranged on the left side wall and the right side wall of an outlet hole inlet, and a sealing ring which is arranged at the edge of the outlet hole; when the plug is positioned at the bottom of the protection box, the baffle plate is abutted with the boss.
The waterproof and electric shock-proof power adapter is characterized in that a sealing strip is arranged on the edge of the notch, a sealing groove matched with the sealing strip is correspondingly arranged on the extension part, and the sealing strip is positioned in the sealing groove when the waterproof and electric shock-proof power adapter is assembled in place.
The waterproof and anti-electric shock power adapter is characterized in that anti-skidding parts convenient to hold are arranged on the left side wall and the right side wall of the extension part.
The utility model has the beneficial effects that: the power adapter body can be pulled out of the socket in time only by pressing the protective box and holding the handheld part at the upper end of the power adapter body when water splashes onto the power adapter, and metal pins of the power adapter cannot be exposed and are always hidden in the protective box in the process of pulling out the power adapter; the utility model has simple structure, avoids electric shock risk, and simultaneously the protection box plays a certain role in waterproof at the joint of the power adapter body and the USB interface.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the present utility model will be further described with reference to the accompanying drawings and embodiments, in which the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained by those skilled in the art without inventive effort:
Fig. 1 is a schematic illustration of a southwest isometric view of a plug of a waterproof, shock-resistant power adapter of the present utility model.
Fig. 2 is a schematic illustration of the northeast isometric view of the protective case of the waterproof and shock-resistant power adapter of the present utility model.
Fig. 3 is a longitudinal cross-sectional view of the waterproof and shock-proof power adapter of the present utility model.
Fig. 4 is a longitudinal sectional view of a protective case of the waterproof and shock-proof power adapter of the present utility model.
Fig. 5 is a side view of a plug of the waterproof and shock-resistant power adapter of the present utility model.
Fig. 6 is a schematic diagram of the overall structure of the waterproof and anti-electric shock power adapter of the present utility model.
Fig. 7 is a schematic cross-sectional view of a seal assembly of a waterproof and shock-resistant power adapter of the present utility model.
In the figure: 1. a plug; 11. a limiting block; 12. a USB interface; 13. pins; 2. a protection box; 21. a chute; 22. a notch; 23. a boss; 24. an opening; 3. an extension; 31. a groove; 32. a wire outlet hole; 33. an anti-slip part; 4. a data line; 5. a USB connector; 6. an accommodating space; 7. a seal assembly; 71. a baffle; 72. a seal ring; 8. a sealing strip; 9. and (5) sealing the groove.
Detailed Description
The terms "first," "second," "third," and "fourth" and the like in the description and in the claims and drawings are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed steps or elements but may include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
"Plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
Moreover, the terms "upper, lower, left, right, upper end, lower end, longitudinal" and the like that represent the orientation are all referred to with reference to the attitude position of the apparatus or device described in this scheme when in normal use.
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the following description will be made in detail with reference to the technical solutions in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by a person skilled in the art without any inventive effort, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.
The waterproof and electric shock-proof power adapter of the preferred embodiment of the utility model comprises a plug 1, a limiting block 11 arranged on the plug 1 and a protection box 2 sleeved outside the plug 1 as shown in figures 1-7; the left and right inner side walls of the protection box 2 are respectively provided with a chute 21 matched with the limiting block 11, one end of the limiting block 11 extends into the chute 21, the chute 21 is in a straight shape and is vertically arranged, and the plug 1 is in sliding connection with the protection box 2 through the limiting block 11; the upper end of the plug 1 is provided with a USB interface 12 and an extension part 3 which is convenient for drawing the plug 1, a groove 31 avoiding the USB interface 12 is formed in the extension part 3 in a concave manner, and the extension part 3 is also provided with a wire outlet hole 32 for the data wire 4 to extend out; the upper end of the protection box 2 is provided with a notch 22 for avoiding the extension part 3 and a boss 23 for limiting the sliding position of the plug 1, and the lower end of the protection box 2 is provided with an opening 24 for extending out the pins 13 of the plug 1; when the USB connector is assembled in place, the extension part 3 seals the notch 22, and the inner side wall of the groove 31 and the inner side wall of the boss 23 are enclosed to form an accommodating space 6 for installing the USB connector 5; the opening 24 is a square opening 24 which is matched with the size of the plug 1, and the lower surface of the protection box 2 is flush with the lower surface of the plug 1.
The power adapter body can be pulled out of the socket in time only by pressing the protective box and pulling out the handheld part at the upper end of the power adapter body when water splashes onto the power adapter, and metal pins of the power adapter cannot be exposed and are always hidden in the protective box in the process of pulling out the power adapter; the utility model has simple structure, avoids electric shock risk, and simultaneously the protection box plays a certain role in waterproof at the joint of the power adapter body and the USB interface.
Preferably, the limiting block 11 is sleeved with a bearing, and the bearing is in rolling fit with the inner side wall of the chute 21; the bearing on the limiting block 11 can enable the plug 1 to slide up and down smoothly along the inside of the protection box 2, and the structure is simple and the cost is low.
Preferably, the power adapter further comprises a sealing assembly 7, wherein the sealing assembly 7 comprises baffle plates 71 which are oppositely arranged on the left side wall and the right side wall of the inlet of the wire outlet hole 32, and sealing rings 72 which are arranged at the edge of the wire outlet hole 32; when the plug 1 is positioned at the bottom of the protection box 2, the baffle 71 is abutted against the boss 23; the baffle plates 71 are rubber baffle plates 71, and the baffle plates 71 are adhered and fixed on two opposite side walls close to the inlet of the wire outlet hole 32; when the data wire 4 enters the wire outlet hole 32, the two baffle plates 71 are extruded by the data wire 4, the baffle plates 71 are elastically deformed, the unfixed end of the two baffle plates 71 moves towards the direction of the wire outlet hole 32 under the thrust of the data wire 4, gaps are formed between the two baffle plates 71, the data wire 4 passes through the gaps, the two baffle plates 71 reset after being subjected to the reaction force of the elastic deformation, the gaps between the two baffle plates 71 disappear, at the moment, the data wire 4 completely enters the wire outlet hole 32, and the two baffle plates 71 mutually abut against each other; the wire outlet 32 is provided with a semicircular sealing ring 72 on a side wall far away from the inlet, two baffle plates 71 and the semicircular sealing ring 72 respectively surround the data wire 4 from two sides and are tightly attached to the data wire 4, the two baffle plates 71 are mutually abutted, meanwhile, the boss 23 is abutted against the baffle plates 71, water is blocked outside the sealing ring 72 and the baffle plates 71, and cannot permeate, so that a waterproof effect is achieved.
Preferably, the edge of the notch 22 is provided with a sealing strip 8, the extension part 3 is correspondingly provided with a sealing groove 9 matched with the sealing strip 8, and when the sealing strip 8 is assembled in place, the sealing strip 8 is positioned in the sealing groove 9; the sealing strip 8 is a rubber sealing strip 8, the sealing strip 8 is adhered to the edge of the notch 22 of the protection box 2, and the joint of the extension part 3 and the protection box 2 can be waterproof to a certain extent through the matched use of the sealing strip 8 and the sealing groove 9.
Preferably, the left and right side walls of the extension part 3 are provided with anti-slip parts 33 which are convenient to hold; the anti-slip part 33 is made of rubber material, so that the hand-held operation is facilitated.
When the plug is used, the plug 1 is positioned in the protection box 2, the USB connector 5 is hidden in the groove 31 of the extension part 3, the protection box 2 and the extension part 3 of the plug 1 form a cube from the appearance, and the data wire 4 is led out from the wire outlet hole 32 on the extension part 3; the packaging of the protection box 2 is assembled by using waterproof glue, and the joint of the extension part 3 and the protection box 2 is provided with the sealing groove 9 and the sealing strip 8, so that dust is prevented from being directly stained at the USB interface 12, and the waterproof effect is achieved; if the cup is turned over beside the power adapter, the protection box 2 is pressed, and meanwhile, the extension part 3 is pulled out, so that the plug 1 can be pulled out of the socket in time, the metal pins 13 can not be exposed in the process of pulling out the plug 1, and the protection box 2 is hidden in the whole process, so that the electric shock risk after the power adapter is short-circuited is avoided.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.
Claims (5)
1. The waterproof and electric shock-proof power adapter is characterized by comprising a plug, a limiting block arranged on the plug and a protection box sleeved outside the plug; the left and right inner side walls of the protection box are respectively provided with a chute matched with the limiting block, one end of the limiting block extends into the chute, the chute is in a straight shape and is vertically arranged, and the plug is in sliding connection with the protection box through the limiting block; the upper end of the plug is provided with a USB interface and an extension part which is convenient for drawing the plug, the inside of the extension part is sunken to form a groove which avoids the USB interface, and the extension part is also provided with a wire outlet hole for the data wire to extend out; the upper end of the protection box is provided with a notch avoiding the extension part and a boss limiting the sliding position of the plug, and the lower end of the protection box is provided with an opening allowing the pins of the plug to extend out; when the USB connector is assembled in place, the notch is blocked by the extension part, and a containing space for installing the USB connector is formed by enclosing the inner side wall of the groove and the inner side wall of the boss.
2. The waterproof and electric shock-proof power adapter according to claim 1, wherein the limiting block is sleeved with a bearing, and the bearing is in rolling fit with the inner side wall of the sliding groove.
3. The waterproof and anti-electric shock power adapter according to claim 1, further comprising a sealing assembly, wherein the sealing assembly comprises baffle plates oppositely arranged on the left side wall and the right side wall of the outlet hole inlet, and sealing rings arranged at the edges of the outlet hole; when the plug is positioned at the bottom of the protection box, the baffle plate is abutted with the boss.
4. The waterproof and anti-electric shock power adapter according to claim 1, wherein a sealing strip is arranged on the edge of the notch, a sealing groove matched with the sealing strip is correspondingly arranged on the extension part, and the sealing strip is positioned in the sealing groove when the waterproof and anti-electric shock power adapter is assembled in place.
5. The waterproof and anti-electric shock power adapter according to claim 1, wherein anti-slip parts which are convenient to hold are arranged on the left and right side walls of the extension part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679650.0U CN221102549U (en) | 2023-10-08 | 2023-10-08 | Waterproof and electric shock-proof power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679650.0U CN221102549U (en) | 2023-10-08 | 2023-10-08 | Waterproof and electric shock-proof power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221102549U true CN221102549U (en) | 2024-06-07 |
Family
ID=91314623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679650.0U Active CN221102549U (en) | 2023-10-08 | 2023-10-08 | Waterproof and electric shock-proof power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221102549U (en) |
-
2023
- 2023-10-08 CN CN202322679650.0U patent/CN221102549U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |