CN210518122U - Power adapter lead structure - Google Patents
Power adapter lead structure Download PDFInfo
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- CN210518122U CN210518122U CN201921515676.9U CN201921515676U CN210518122U CN 210518122 U CN210518122 U CN 210518122U CN 201921515676 U CN201921515676 U CN 201921515676U CN 210518122 U CN210518122 U CN 210518122U
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- semicircular groove
- lead
- waterproof
- limit
- groove
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Abstract
The utility model provides a lead structure of a power adapter, which comprises an upper shell, a lower shell and a lead head, wherein the edge of the upper shell is detachably connected with the edge of the lower shell, a first lead semicircular groove and a first limit semicircular groove are arranged at the edge of the upper shell, a first waterproof semicircular groove is arranged in the middle of the first lead semicircular groove, a second lead semicircular groove and a second limit semicircular groove are arranged at the edge of the lower shell, a second waterproof semicircular groove is arranged in the middle of the second lead semicircular groove, the first waterproof semicircular groove and the second waterproof semicircular groove are jointed to form a waterproof circular groove, the lead head is sequentially provided with a first limit collar, a reducing part and a second limit collar along the axial direction of the lead head, the periphery of undergauge portion is provided with waterproof rubber collar, waterproof rubber collar interference fit ground is arranged in the waterproof circular slot. The utility model discloses it has waterproof nature's problem to aim at solving current power adapter casing in the lead head position.
Description
Technical Field
The utility model belongs to the technical field of the power adapter structure, concretely relates to power adapter lead wire structure.
Background
The Power adapter (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the Power adapter is that alternating current input is converted into direct current output; according to the connection mode, the device can be divided into a wall-inserting type and a desktop type. The intelligent anti-theft device is widely matched with security cameras, set top boxes, routers, light bars, massage instruments and other equipment.
In general, a power adapter is formed by combining upper and lower cases to form a sealed case, and an external power source is introduced through a lead, but in the case of the conventional power adapter, a certain gap is formed at the introduction position of the lead, and thus, external moisture easily enters the case, and internal electronic components are damaged, thereby causing a short circuit.
SUMMERY OF THE UTILITY MODEL
To the technical problem that exists, the utility model provides a power adapter pin configuration to solve current power adapter casing and have waterproof nature problem in the lead head position, designed a new power adapter pin configuration, this power adapter pin configuration has better waterproof performance, can effectively avoid outside steam to enter into in the casing.
The utility model discloses a power adapter lead structure, which comprises an upper shell, a lower shell and a lead head, wherein the edge of the upper shell is detachably connected with the edge of the lower shell, the edge of the upper shell is provided with a first lead semicircular groove and a first limit semicircular groove, one end of the first lead semicircular groove is communicated with one end of the first limit semicircular groove, the other end of the first lead semicircular groove penetrates through the inner wall of the upper shell, the other end of the first limit semicircular groove penetrates through the outer wall of the upper shell, the middle part of the first lead semicircular groove is provided with a first waterproof semicircular groove, the inner diameter of the first limit semicircular groove and the inner diameter of the first waterproof semicircular groove are both larger than the inner diameter of the first lead semicircular groove, the edge of the lower shell is provided with a second lead semicircular groove and a second limit semicircular groove, one end of the second lead semicircular groove is communicated with one end of the second limit semicircular groove, the other end of the second lead semicircular groove penetrates through the inner wall of the lower shell, the other end of the second limit semicircular groove penetrates through the outer wall of the lower shell, a second waterproof semicircular groove is arranged in the middle of the second lead semicircular groove, the inner diameter of the second limit semicircular groove and the inner diameter of the second waterproof semicircular groove are both larger than the inner diameter of the second lead semicircular groove, the first lead semicircular groove and the second lead semicircular groove are jointed to form a lead hole, the first limit semicircular groove and the second limit semicircular groove are jointed to form a limit circular groove, the first waterproof semicircular groove and the second waterproof semicircular groove are jointed to form a waterproof circular groove, the lead head is sequentially provided with a first limit collar, a reducing part and a second limit collar along the axial direction of the lead head, the periphery of the reducing part is provided with a waterproof rubber collar, and the first limit is positioned in the limit circular groove, the reducing portion is located in the lead hole, the waterproof rubber collar is arranged in the waterproof circular groove in an interference fit mode, and the second limiting collar abuts against the outer walls of the upper shell and the lower shell.
Furthermore, the part of the lead head outside the upper shell and the lower shell is connected with an access cable, and the part of the lead head outside the upper shell and the lower shell is led out with a plurality of branch cables.
Furthermore, the upper shell and the lower shell are plastic shells.
The lead structure of the power adapter is provided with a lead hole for a lead to pass through between the upper shell and the lower shell, and the lead can be limited in the lead hole through a first limiting collar and a second limiting collar on the lead, so that the lead is prevented from being separated; further, be formed with waterproof circular slot on the inner wall of pin hole, be provided with waterproof rubber collar in the undergauge portion periphery of pin, through waterproof rubber collar with the interference fit of waterproof circular slot can effectively restrict the gas and the liquid circulation of pin both sides to improved the waterproof nature of casing and lower casing at the pin position effectively, avoided the entering of outside steam, improved power adapter's security.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of an upper housing and a lead of a power adapter lead configuration;
fig. 2 is a schematic view of a lower housing of a power adapter lead structure.
Detailed Description
The utility model discloses a power adapter pin configuration, this power adapter pin configuration have better waterproof performance, can effectively avoid outside steam to enter into the casing.
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, only some embodiments, not all embodiments, of the present invention are described. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 and 2, the present invention provides a power adapter lead structure, including an upper casing 1, a lower casing 13 and a lead head 7, wherein the edge of the upper casing 1 is detachably connected to the edge of the lower casing 13, the edge of the upper casing 1 is provided with a first lead semicircular groove 9 and a first limiting semicircular groove 11, one end of the first lead semicircular groove 9 is communicated with one end of the first limiting semicircular groove 11, the other end of the first lead semicircular groove 9 penetrates the inner wall of the upper casing 1, the other end of the first limiting semicircular groove 11 penetrates the outer wall of the upper casing 1, the middle part of the first lead semicircular groove 9 is provided with a first waterproof semicircular groove 10, the inner diameter of the first limiting semicircular groove 11 and the inner diameter of the first waterproof semicircular groove 10 are both greater than the inner diameter of the first lead semicircular groove 9, a second lead semicircular groove 16 and a second limit semicircular groove 14 are arranged at the edge of the lower shell 13, one end of the second lead semicircular groove 16 is communicated with one end of the second limit semicircular groove 14, the other end of the second lead semicircular groove 16 penetrates through the inner wall of the lower shell 13, the other end of the second limit semicircular groove 14 penetrates through the outer wall of the lower shell 13, a second waterproof semicircular groove 15 is arranged in the middle of the second lead semicircular groove 16, the inner diameter of the second limit semicircular groove 14 and the inner diameter of the second waterproof semicircular groove 15 are both larger than the inner diameter of the second lead semicircular groove 14, the first lead semicircular groove 9 and the second lead semicircular groove 16 are jointed to form a lead hole, the first limit semicircular groove 11 and the second limit semicircular groove 15 are jointed to form a limit circular groove, and the first waterproof semicircular groove 10 and the second waterproof semicircular groove 15 are jointed to form a waterproof circular groove, lead head 7 has set gradually first spacing collar 2, undergauge portion 4 and second spacing collar 5 along its axial, the periphery of undergauge portion 4 is provided with waterproof rubber collar 3, first spacing collar 2 is located in the spacing circular slot, undergauge portion 4 is located in the pin hole, waterproof rubber collar 3 interference fit places in the waterproof circular slot, second spacing collar 5 butt in on the outer wall of last casing 1 and lower casing 13.
An access cable 6 is connected to a part of the lead 7 outside the upper case 1 and the lower case 13, and a plurality of branch cables 12 are led out from a part of the lead 7 outside the upper case 1 and the lower case 13.
The upper shell 1 and the lower shell 13 are plastic shells.
The lead structure of the power adapter is provided with a lead hole for a lead to pass through between the upper shell and the lower shell, and the lead can be limited in the lead hole through a first limiting collar and a second limiting collar on the lead, so that the lead is prevented from being separated; further, be formed with waterproof circular slot on the inner wall of pin hole, be provided with waterproof rubber collar in the undergauge portion periphery of pin, through waterproof rubber collar with the interference fit of waterproof circular slot can effectively restrict the gas and the liquid circulation of pin both sides to improved the waterproof nature of casing and lower casing at the pin position effectively, avoided the entering of outside steam, improved power adapter's security.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (3)
1. A power adapter lead structure is characterized by comprising an upper shell, a lower shell and a lead head, wherein the edge of the upper shell is detachably connected with the edge of the lower shell, a first lead semicircular groove and a first limiting semicircular groove are arranged at the edge of the upper shell, one end of the first lead semicircular groove is communicated with one end of the first limiting semicircular groove, the other end of the first lead semicircular groove penetrates through the inner wall of the upper shell, the other end of the first limiting semicircular groove penetrates through the outer wall of the upper shell, a first waterproof semicircular groove is arranged in the middle of the first lead semicircular groove, the inner diameter of the first limiting semicircular groove and the inner diameter of the first waterproof semicircular groove are both larger than that of the first lead semicircular groove, a second lead semicircular groove and a second limiting semicircular groove are arranged at the edge of the lower shell, one end of the second lead semicircular groove is communicated with one end of the second limiting semicircular groove, the other end of the second lead semicircular groove penetrates through the inner wall of the lower shell, the other end of the second limit semicircular groove penetrates through the outer wall of the lower shell, a second waterproof semicircular groove is arranged in the middle of the second lead semicircular groove, the inner diameter of the second limit semicircular groove and the inner diameter of the second waterproof semicircular groove are both larger than the inner diameter of the second lead semicircular groove, the first lead semicircular groove and the second lead semicircular groove are jointed to form a lead hole, the first limit semicircular groove and the second limit semicircular groove are jointed to form a limit circular groove, the first waterproof semicircular groove and the second waterproof semicircular groove are jointed to form a waterproof circular groove, the lead head is sequentially provided with a first limit collar, a reducing part and a second limit collar along the axial direction of the lead head, the periphery of the reducing part is provided with a waterproof rubber collar, and the first limit is positioned in the limit circular groove, the reducing portion is located in the lead hole, the waterproof rubber collar is arranged in the waterproof circular groove in an interference fit mode, and the second limiting collar abuts against the outer walls of the upper shell and the lower shell.
2. The power adapter lead structure according to claim 1, wherein an access cable is connected to a portion of the lead head outside the upper case and the lower case, and a plurality of branch cables are led out from a portion of the lead head outside the upper case and the lower case.
3. The power adapter lead structure of claim 1, wherein the upper housing and the lower housing are plastic housings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515676.9U CN210518122U (en) | 2019-09-12 | 2019-09-12 | Power adapter lead structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515676.9U CN210518122U (en) | 2019-09-12 | 2019-09-12 | Power adapter lead structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210518122U true CN210518122U (en) | 2020-05-12 |
Family
ID=70569480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921515676.9U Active CN210518122U (en) | 2019-09-12 | 2019-09-12 | Power adapter lead structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210518122U (en) |
-
2019
- 2019-09-12 CN CN201921515676.9U patent/CN210518122U/en active Active
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