CN210443752U - Safety power supply plug - Google Patents
Safety power supply plug Download PDFInfo
- Publication number
- CN210443752U CN210443752U CN201921805349.7U CN201921805349U CN210443752U CN 210443752 U CN210443752 U CN 210443752U CN 201921805349 U CN201921805349 U CN 201921805349U CN 210443752 U CN210443752 U CN 210443752U
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- Prior art keywords
- shell
- safety power
- power plug
- fuse
- wire
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model provides a safety power plug, which comprises an outer shell, the shell includes interconnect's first shell and second shell, first shell with the cavity is constituteed to the second shell, be equipped with the hole on the bottom plate on the first shell, downthehole contact that is equipped with, the contact is connected with live wire, zero line and ground wire respectively, it has the fuse to establish ties on the live wire, be equipped with the module of settling of reserve fuse on the bottom plate. Be equipped with reserve fuse in the shell, can realize quick replacement, avoid influencing the normal use of plug.
Description
Technical Field
The utility model relates to an electricity connecting device technical field especially relates to a safe power plug.
Background
The plug is used in the life work in a large number, and general power plug mostly does not have the design of protection architecture, just can produce harmful effects to the electrical product of connection in the use carelessly a little, and what is more the possibility is dangerous of electrocution. For safety, some plugs are embedded with fuses, and two ends of each fuse are respectively connected with a live pin and a neutral pin on the plug; when the current is too large, the fuse is fused, and the protection effect is further achieved. The fuse is small in size and low in replacement frequency, when the fuse is fused and needs to be replaced, the situation that a new fuse cannot be found often occurs, and even if the new fuse can be found, a long time can be delayed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a safe power plug can replace the fuse fast, avoids influencing the normal use of plug.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a safe power plug, includes the shell, the shell includes interconnect's first shell and second shell, first shell with the cavity is constituteed to the second shell, its characterized in that: the fuse protector is characterized in that a hole is formed in a bottom plate on the first shell, a contact is arranged in the hole and is respectively connected with a live wire, a zero line and a ground wire, a fuse is connected in series on the live wire, and a placement module of a standby fuse is arranged on the shell.
Preferably, the placement module is disposed on the base plate.
Preferably, the first case is provided with a screw hole, and a screw is inserted from one side of the first case and connected to the second case.
Preferably, a circuit board is arranged in the cavity, and the zero line, the live line and the ground line are connected to the circuit board from the opposite side of the contact.
Preferably, the bottom plate is provided with a first bulge, the circuit board is provided with an opening, and the first bulge penetrates through the opening and is in screw connection with the second shell.
Preferably, the second shell is provided with a second protrusion, the end of the first protrusion is provided with a step-shaped groove, and the second protrusion is inserted into the step-shaped groove.
Preferably, piezoresistors are arranged between the live wire and the ground wire and between the zero wire and the ground wire.
Preferably, the mounting module includes a rib extending outwardly from the base plate.
Preferably, the second shell is provided with two third protrusions, and the electric wire introduced into the outer shell is embedded between the third protrusions.
To sum up, compare with prior art, the utility model has the advantages of: the spare fuse can be quickly taken out and replaced by the fused fuse, so that the normal use of the plug is prevented from being influenced; the fuse replacement is carried out in the state of pulling out the plug, so that the safety factor of the operation is improved; the piezoresistor can reduce the influence caused by lightning strike, so that the piezoresistor is particularly suitable for the door body structure of public buildings.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an exploded view of the present invention;
fig. 3 is an exploded view of the present invention.
The reference numbers in the figures are as follows:
1. the electronic device comprises a shell, 11, a first shell, 111, a bottom plate, 112, holes, 113, a mounting module, 1131, a convex strip, 114, a first protrusion, 1141, a caulking groove, 1142, a step-shaped groove, 115, a screw hole, 12, a second shell, 121, a second protrusion, 1211, a rib plate, 122, a third protrusion, 13, a cavity, 2, a fuse, 3, a circuit board, 31, a piezoresistor, 32, a contact, 33, a clip and 34, and an opening.
Detailed Description
The invention will be further described with reference to the following examples in the drawings.
As shown in fig. 1 to 3, the power plug includes a housing 1, the housing 1 includes a first shell 11 and a second shell 12 connected to each other, and the first shell 11 and the second shell 12 are fitted to form a cavity 13 for accommodating electronic components. Three apertures 112 are provided in the base 111 of the first housing and contacts 32 are provided therein, including a ground contact 321, a neutral contact 322 and a hot contact 323. The contact 32 partially extends out of the housing 1 and has its other end connected to the live, neutral and ground wires, respectively. The fuse 2 is connected in series on the live wire, and the installation module 113 of the spare fuse is arranged on the bottom plate 111. The seating module 113 may also be provided at other positions on the housing 1, such as on the inner side wall of the second case 12. After the fuse 2 is fused, the standby fuse 2 on the installation module 113 can be taken down by opening the shell 1, so that quick replacement is realized, and normal use is prevented from being influenced.
The first case 11 is provided with a screw hole 115 through which a screw is inserted from one side of the first case 11 and connected to the second case 12. Before the plug is pulled out, the shell 1 cannot be opened, namely, the plug must be pulled out before the shell 1 is opened to replace the fuse 2 or to overhaul a circuit, so that the use safety is ensured.
A circuit board 3 is arranged in the cavity 14, and the zero line, the live line and the ground line are connected to the circuit board 3 from the opposite side of the contact 32. The circuit board 3 is provided with two clips 33, the clips 33 being metal pieces provided on the circuit board 3, and the fuse 2 being provided on the clips 33. The fuse 2 is connected in series between the live line introduced into the housing 1 and the contact 32. The bottom plate 111 is provided with a first protrusion 114, the circuit board 3 is provided with an opening 31, and the first protrusion 114 passes through the opening 31 and is screwed with the second housing 12.
The second case 12 is provided with a second protrusion 121, the end of the first protrusion 114 is provided with a stepped groove 1142, and the second protrusion 121 is inserted into the stepped groove 1142. One or more caulking grooves 1141 are arranged on the side wall of the stepped groove 1142, and rib plates 1211 which are embedded with the caulking grooves are arranged on the second protrusion 121 in the circumferential direction so as to position and limit the two.
The placement module 13 includes a rib 1131 extending outwardly from the base 111. Rectangular placing grooves are formed among the convex strips or between the convex strips and the side wall of the first shell. In this embodiment, the two ribs 1131 are L-shaped in cross section and are arranged in opposite directions, and a gap is formed between the two ribs 1131 to take out the spare fuse 2.
Two third protrusions 122 are arranged on one side of the second shell 12 close to the wire clamping groove for leading in wires, and the wires led into the outer shell 1 are embedded between the third protrusions 122.
The above description is only for explaining the present invention, so that the person skilled in the art can completely implement the present invention, but not for limiting the present invention, and after reading the present specification, the person skilled in the art can make modifications to the present embodiment as required without inventive contribution, which are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.
Claims (9)
1. A safety power plug comprising a housing (1), the housing (1) comprising a first shell (11) and a second shell (12) connected to each other, the first shell (11) and the second shell (12) constituting a cavity (13), characterized in that: be equipped with hole (112) on bottom plate (111) on first shell (11), be equipped with contact (32) in hole (112), contact (32) are connected with live wire, zero line and ground wire respectively, it has fuse (2) to establish ties on the live wire, be equipped with arrangement module (113) of reserve fuse on shell (1).
2. A safety power plug as claimed in claim 1, wherein: the placement module (113) is arranged on the base plate (111).
3. A safety power plug as claimed in claim 1, wherein: the first shell (11) is provided with a screw hole (115), and a screw is inserted into one side of the first shell (11) and is connected with the second shell (12).
4. A safety power plug as claimed in claim 1, wherein: a circuit board (3) is arranged in the cavity (13), and the zero line, the live line and the ground line are connected to the circuit board (3) through the opposite side of the contact (32).
5. A safety power plug as claimed in claim 4, wherein: the circuit board is characterized in that a first bulge (114) is arranged on the bottom plate (111), an opening (34) is formed in the circuit board (3), and the first bulge (114) penetrates through the opening (34) and is in screw connection with the second shell (12).
6. A safety power plug as claimed in claim 5, wherein: the second shell (12) is provided with a second protrusion (121), the end part of the first protrusion (114) is provided with a step-shaped groove (1142), and the second protrusion (121) is inserted into the step-shaped groove (1142).
7. A safety power plug as claimed in claim 1, wherein: and piezoresistors (31) are arranged between the live wire and the ground wire and between the zero wire and the ground wire.
8. A safety power plug as claimed in claim 1, wherein: the seating module (113) includes a rib (1131) extending outwardly from the base plate (111).
9. A safety power plug as claimed in claim 1, wherein: two third bulges (122) are arranged on the second shell (12), and the electric wire led into the shell (1) is embedded between the third bulges (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805349.7U CN210443752U (en) | 2019-10-25 | 2019-10-25 | Safety power supply plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921805349.7U CN210443752U (en) | 2019-10-25 | 2019-10-25 | Safety power supply plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210443752U true CN210443752U (en) | 2020-05-01 |
Family
ID=70411822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921805349.7U Active CN210443752U (en) | 2019-10-25 | 2019-10-25 | Safety power supply plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210443752U (en) |
-
2019
- 2019-10-25 CN CN201921805349.7U patent/CN210443752U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |