CN206864781U - A kind of sparkproof overcurrent protection plug - Google Patents
A kind of sparkproof overcurrent protection plug Download PDFInfo
- Publication number
- CN206864781U CN206864781U CN201720752200.1U CN201720752200U CN206864781U CN 206864781 U CN206864781 U CN 206864781U CN 201720752200 U CN201720752200 U CN 201720752200U CN 206864781 U CN206864781 U CN 206864781U
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- CN
- China
- Prior art keywords
- plug
- plug casing
- sparkproof
- overcurrent protection
- groove
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Abstract
Plug technical field, in particular to a kind of sparkproof overcurrent protection plug, including plug casing are the utility model is related to, the front end face of plug casing is provided with pin, it is characterised in that：Pin in plug casing is provided with the copper catch perpendicular to pin, the conducting strip relative with copper catch is provided with plug casing, conducting strip side is provided with zero line and live wire, thermistor is in series with respectively on zero line and live wire, plug casing front end face is provided with compression box, the plug casing of compression box lower end is provided with groove, groove is provided with through hole, pull bar one end is connected with compression box top, the through hole of the other end through groove is connected with conducting strip opposite side, compression spring is cased with pull bar in compression box and groove, compared with prior art, the utility model is rational in infrastructure, it is safe to use, thermistor can protect plug and electrical appliance well, it is and reusable, improve the service life of plug, electric spark will not be produced when plug is not fully inserted into socket, it is safe.
Description
Technical field
It the utility model is related to plug technical field, in particular to a kind of sparkproof overcurrent protection plug.
Background technology
Attaching plug is widely used, thus the safety in utilization of plug is also got over as a kind of articles for daily use in life
More to attract people's attention, existing frequently-used attaching plug smoothly can be inserted into the jack of socket for the ease of pin,
The internal diameter of the jack of general socket is more than the external diameter of pin, and chamfering is provided with the insulating lid of jack, but this structure
Also potential safety hazard is brought, because at the insulating lid of jack, there is certain gap between pin and the inwall of jack,
In the swapping process of plug, it is easy to bring impurity into from gap, cause short circuit, more it is a risk that some children may take
Pin insertion socket or finger is extend into gap, easily cause electric shock accidents；In addition, using high-power electric appliance,
Further encounter following danger：When during plug insertion socket there is rise spark phenomenon, can not only be burnt out when serious socket or
Electrical equipment, can also danger be damaged to human body；Second, modern life rhythm is fast, unplugg, electrical appliance permanent worker are often forgotten about
Make, the line temperature that electrical appliance may be caused to be connected with plug is too high and burns electrical appliance and causes security incident；Three are due to
When electrical appliance faults itself causes short circuit, there is temperature rise and burns the situation of circuit in the circuit that is connected with plug, or even causes
Fire.
The content of the invention
The purpose of this utility model is to solve prior art deficiency, there is provided a kind of sparkproof overcurrent protection plug, when
When plug is not fully inserted into socket, electric spark phenomenon will not be produced, when electric current is too high, overflow protecting element can cut off electricity in time
Road, protect plug and electrical equipment from infringement.
To achieve the above object, the utility model is the technical scheme adopted is that a kind of sparkproof overcurrent protection plug, bag
Plug casing is included, the front end face of plug casing is provided with pin, it is characterised in that：Pin in plug casing is provided with perpendicular to slotting
The copper catch of pin, is provided with the conducting strip relative with copper catch in plug casing, and conducting strip side is provided with zero line and live wire, zero line with
An overflow protecting element is at least in series with live wire, plug casing front end face is provided with compression box, the jack shell of compression box lower end
Body is provided with groove, and groove is provided with through hole, and pull bar one end is connected with compression box top, and the other end passes through the through hole of groove
It is connected with conducting strip opposite side, compresses and be cased with compression spring on the pull bar in box and groove.
Overflow protecting element described in the utility model is fuse or thermistor, and fuse is increased to necessarily in temperature
It can be fused during value, cut off circuit, prevent fire incident from producing, and the resistance very little of thermistor under normal circumstances, loss
Very little, circuit normal work is not influenceed, if but having an excessively stream（Such as short circuit）Occur, the temperature of thermistor can raise, its resistance
Drastically raise therewith, have the function that to limit electric current, avoid the component damaged in circuit, after failture evacuation, thermistor
Temperature decline automatically, return to low resistive state again, it is reusable.
Conducting strip described in the utility model be provided with vertical conduction piece connection sheet, connection sheet lower end be respectively equipped with zero line and
Live wire, plug casing is interior to be provided with chute, and connection sheet is connected through sliding block with chute, prevents connection sheet from rocking, causes connection
It is unstable, improve electrical safety.
Neck is provided with plug casing described in the utility model, neck both ends are provided with wire guide, and overflow protecting element is through card
Groove is connected with plug casing, and thus overflow protecting element is fixed in plug casing, it is ensured that overflow protecting element is fixed not
Slide.
Pin described in the utility model includes zero line pin and live prong, is in series with excessively stream guarantor on zero line and live wire respectively
Protection element, thus, not only overflow protecting element can protect electrical appliance and personal safety after zero line and live wire short circuit, and even if lead
Line broken skin, adult either child's imprudence encounter zero line or live wire one of them, overflow protecting element can also cut off electricity in time
Road, ensure personal security.
Compression box inwall described in the utility model is corrugated, when plug is inserted to socket, compresses the compressible change of box stress
Shape, compression box front end face can be closely against on plug casing front end face, do not influence the close connection of plug and socket.
Copper catch described in the utility model, conducting strip and connection sheet are conductive, compression box, pull bar and compression spring
With insulating properties.
The both ends of plug casing described in the utility model are fixedly connected to form plug by manner, pass through manner
Conducting strip and overflow protecting element can be protected not to slide, it is ensured that the security that plug uses, the mode fastened in addition are also convenient for examining
Overflow protecting element is repaiied and replaced, extends the service life of plug.
The beneficial effects of the utility model are：First, plug casing front end is provided with compression box, compression box inwall is corrugated,
Compression box lower end plug casing is provided with groove, and groove is provided with through hole, and pull bar one end is connected with compression box top, another
Hold the through hole through groove to be connected with conducting strip opposite side, compress and be cased with compression spring on the pull bar in box and groove, lead to
This design is crossed, when plug is inserted to socket, compresses the compressible deformation of box stress, it is conductive that compression box front end face drives pull bar to promote
Piece moves to copper catch, and when the fully-inserted socket of plug, conducting strip is in contact with copper catch, circuit turn-on, it is ensured that plug exists
Insert to electric spark phenomenon is not caused during socket, avoid the generation of fire；Second, overflow protecting element of being connected on zero line and live wire,
Not only overflow protecting element can protect electrical appliance and personal safety, and even if wire broken skin, adult after zero line and live wire short circuit
Either child's imprudence encounter zero line or live wire one of them, overflow protecting element can also cut off circuit in time, ensure personnel
Safety, overflow protecting element is fuse or thermistor, and fuse can fuse when temperature is increased to certain value, cut-out electricity
Road, prevent security incident from producing, and the resistance very little of thermistor under normal circumstances, also very little is lost, is not influenceing circuit just
Often work, if but having an excessively stream（Such as short circuit）Occur, the temperature of thermistor can raise, and its resistance drastically raises therewith, reaches
The effect of electric current is limited, avoids the component damaged in circuit, after failture evacuation, the temperature of thermistor declines automatically, again
Low resistive state is returned to, it is reusable, the service life of plug is substantially increased, reduces the production cost of plug.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is another structural representation of the present utility model.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
A kind of sparkproof overcurrent protection plug, including plug casing（1）, plug casing（1）Front end face inserted provided with live wire
Pin（2）And zero line pin（3）, it is characterised in that：Plug casing（1）Interior live prong（2）It is provided with perpendicular to live prong
（2）Copper catch（4）, plug casing（1）It is interior to be provided with and copper catch（4）Relative conducting strip（5）, conducting strip（5）It is provided with and hangs down
Straight conducting strip（5）Connection sheet（6）, plug casing（1）It is interior to be provided with chute, connection sheet（6）It is connected through sliding block with chute, prevents
Connection sheet is rocked, and causes connection unstable, improves electrical safety, connection sheet（6）Lower end is provided with live wire（7）, zero line inserts
Pin（3）It is provided with zero line（8）, zero line（8）And live wire（7）It is upper to be in series with overflow protecting element respectively（9）, overflow protecting element
（9）For fuse or thermistor, fuse can fuse when temperature is increased to certain value, cut off circuit, prevent safe thing
Therefore produce, and the resistance very little of thermistor under normal circumstances, also very little is lost, circuit normal work is not influenceed, if but having
Excessively stream（Such as short circuit）Occur, the temperature of thermistor can raise, and its resistance drastically raises therewith, reach the work of limitation electric current
With, avoid damage circuit in component, after failture evacuation, the temperature of thermistor declines automatically, returns to low-resistance shape again
State, reusable, plug casing（1）Front end face is provided with compression box（10）, compress box（10）The plug casing of lower surface（1）On
Provided with groove（11）, groove（11）It is provided with through hole, pull bar（12）One end and compression box（10）Top end face is connected, the other end
Through groove（11）Through hole and conducting strip（5）Opposite side is connected, and compresses box（10）And groove（11）Interior pull bar（12）
On be cased with compression spring（13）, compress box（10）Inwall is corrugated, when plug is inserted to socket, compresses the compressible change of box stress
Shape, compression box front end face can be closely against on plug casing front end face, do not influence the close connection of plug and socket, and this practicality is new
Copper catch, conducting strip and connection sheet are conductive in type, and compression box, pull bar and compression spring have insulating properties, pass through cunning
Groove and neck difference fixed copper catch, conducting strip and overflow protecting element, it is ensured that plug interior structure safety and firmness, by zero
Connected respectively on line and live wire overflow protecting element, it is ensured that not only overflow protecting element can protect electricity consumption after zero line and live wire short circuit
Device and personal safety, and even if personnel imprudence encounter zero line or live wire wherein any one, overflow protecting element all may be used
In time cut-out circuit, ensure personal security, by compressing box, pull bar and compression spring, it is ensured that plug be not fully inserted into it is slotting
During seat, electric spark will not be produced, being inserted plug to socket with finger touching pin even if child will not also get an electric shock, using very
Safety.
Embodiment 2
A kind of sparkproof overcurrent protection plug, including plug casing（1）, plug casing（1）Front end face inserted provided with live wire
Pin（2）And zero line pin（3）, it is characterised in that：Plug casing（1）Interior live prong（2）And zero line pin（3）It is upper to set respectively
Have perpendicular to live prong（2）And zero line pin（3）Copper catch（4）, live prong（2）And zero line pin（3）On copper gear
Piece（4）It is staggered relatively, plug casing（1）It is interior to be provided with and copper catch（4）Relative conducting strip（5）, conducting strip（5）It is provided with vertical
Conducting strip（5）Connection sheet（6）, plug casing（1）It is interior to be provided with chute, connection sheet（6）It is connected through sliding block with chute, the company of preventing
Contact pin is rocked, and causes connection unstable, improves electrical safety, connection sheet（6）Lower end is respectively equipped with live wire（7）And zero line
（8）, live wire（7）And zero line（8）It is upper to be in series with overflow protecting element respectively（9）, not only overcurrent protection after zero line and live wire short circuit
Element can protect electrical appliance and personal safety, and even if wire broken skin, either child's imprudence encounters zero line or fire to adult
Line one of them, overflow protecting element can also cut off circuit in time, ensure personal security, in plug casing（1）Provided with neck
（14）, neck（14）Both ends are provided with wire guide, overflow protecting element（9）Through neck（14）With plug casing（1）It is connected, thus
Overflow protecting element is fixed in plug casing, it is ensured that overflow protecting element is fixed and do not slided, overflow protecting element（9）It is molten
Disconnected device or thermistor, fuse can fuse when temperature is increased to certain value, cut off circuit, prevent security incident from producing,
And the resistance very little of thermistor under normal circumstances, loss also very little, circuit normal work is not influenceed, if but having an excessively stream（Such as
Short circuit）Occur, the temperature of thermistor can raise, and its resistance drastically raises therewith, have the function that to limit electric current, avoid damaging
Component in bad circuit, after failture evacuation, the temperature of thermistor declines automatically, returns to low resistive state again, repeats
Use, plug casing（1）Front end face is provided with compression box（10）, compress box（10）The plug casing of lower end（1）It is provided with groove
（11）, groove（11）It is provided with through hole, pull bar（12）One end and compression box（10）Top end face is connected, and the other end passes through groove
（11）Through hole and conducting strip（5）Opposite side is connected, and compresses box（10）And groove（11）Interior pull bar（12）On be cased with pressing
Contracting spring（13）, compress box（10）Inwall is corrugated, when plug is inserted to socket, compresses the compressible deformation of box stress, compression
Box front end face can be closely against on plug casing front end face, and compression tape moves pull bar movement, and pull bar extrudes compression spring, and
Conducting strip is promoted to be moved to copper catch, when the fully-inserted socket of plug, conducting strip is connected with copper catch, turning circuit, by
This, when plug is not fully inserted into socket, will not produce electric spark, and touching pin even if child's hand will not also get an electric shock, in addition,
Overflow protecting element is in series with zero line and live wire in the utility model, when current temperature is too high, circuit can be cut off in time,
Protect electrical appliance and personal safety.
The utility model is rational in infrastructure, safe, avoids when plug is not fully inserted into socket and produces electric spark phenomenon,
Cause electric shock or fire fiery accident, by thermistor, when fault causes electric current too high, protect the peace of plug and electrical appliance
Entirely, and thermistor has restorability, reusable, reduces plug production cost, improves the safety that plug uses
Property.
Claims (8)
1. a kind of sparkproof overcurrent protection plug, including plug casing, the front end face of plug casing is provided with pin, and its feature exists
In：Pin in plug casing is provided with the copper catch perpendicular to pin, and the conduction relative with copper catch is provided with plug casing
Piece, conducting strip side are provided with zero line and live wire, are at least in series with an overflow protecting element on zero line and live wire, before plug casing
End face is provided with compression box, and the plug casing of compression box lower end is provided with groove, and groove is provided with through hole, pull bar one end and compression
Box top is connected, and the through hole of the other end through groove is connected with conducting strip opposite side, compresses the pull bar in box and groove
On be cased with compression spring.
A kind of 2. sparkproof overcurrent protection plug according to claim 1, it is characterised in that：The overflow protecting element is molten
Disconnected device or thermistor.
A kind of 3. sparkproof overcurrent protection plug according to claim 1, it is characterised in that：The conducting strip is provided with vertical
The connection sheet of conducting strip, connection sheet lower end are respectively equipped with zero line and live wire, are provided with chute in plug casing, connection sheet through sliding block and
Chute is connected.
A kind of 4. sparkproof overcurrent protection plug according to claim 1, it is characterised in that：Card is provided with the plug casing
Groove, neck both ends are provided with wire guide, and overflow protecting element is connected through neck with plug casing.
A kind of 5. sparkproof overcurrent protection plug according to claim 1, it is characterised in that：The pin includes zero line pin
And live prong, overflow protecting element is in series with respectively on zero line and live wire.
A kind of 6. sparkproof overcurrent protection plug according to claim 1, it is characterised in that：The compression box inwall is in ripple
Shape.
7. according to a kind of sparkproof overcurrent protection plug of claim 1 or 3, it is characterised in that：The copper catch, conducting strip
Conductive with connection sheet, compression box, pull bar and compression spring have insulating properties.
A kind of 8. sparkproof overcurrent protection plug according to claim 1, it is characterised in that：The both ends of the plug casing lead to
Cross manner and be fixedly connected to form plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720752200.1U CN206864781U (en) | 2017-06-27 | 2017-06-27 | A kind of sparkproof overcurrent protection plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720752200.1U CN206864781U (en) | 2017-06-27 | 2017-06-27 | A kind of sparkproof overcurrent protection plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206864781U true CN206864781U (en) | 2018-01-09 |
Family
ID=60828284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720752200.1U Expired - Fee Related CN206864781U (en) | 2017-06-27 | 2017-06-27 | A kind of sparkproof overcurrent protection plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206864781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288791A (en) * | 2018-03-22 | 2018-07-17 | 浙江帝恒实业有限公司 | delay power plug |
-
2017
- 2017-06-27 CN CN201720752200.1U patent/CN206864781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108288791A (en) * | 2018-03-22 | 2018-07-17 | 浙江帝恒实业有限公司 | delay power plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180109 Termination date: 20180627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |