CN201122746Y - Overload protection socket - Google Patents
Overload protection socket Download PDFInfo
- Publication number
- CN201122746Y CN201122746Y CNU2007200574637U CN200720057463U CN201122746Y CN 201122746 Y CN201122746 Y CN 201122746Y CN U2007200574637 U CNU2007200574637 U CN U2007200574637U CN 200720057463 U CN200720057463 U CN 200720057463U CN 201122746 Y CN201122746 Y CN 201122746Y
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- China
- Prior art keywords
- pin
- contact
- jack
- overcurrent protection
- live wire
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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.)
- Expired - Fee Related
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Abstract
The utility model relates to an overload protecting plug, socket, in particular to the technical field of plug socket. The overload protecting plug socket comprises a plug socket main body a plug jack terminal of the fire wire, a plug jack terminal of the ground wire and a plug jack terminal of the zero wire, the overload protecting plug socket also comprises an overload protecting switch, wherein the overload protecting switch is inserted at the top right of the main body of the plug, a switch button is arranged on the overload protecting switch, a fire wire accessing pin and a fire wire out-connecting pin are arranged at the bottom of the overload protecting switch, the fire wire accessing pin is connected with the fire-wire power on the main body of the plug, and the fire wire out-connecting pin is connected with the plug socket power of the fire wire on the plug socket main body. After adopting the technical proposal, the overload protecting plug socket has the advantages that the structure is simple, the automatic shutdown is realized in the current overload process, through the closing and opening functions of the automatic switching circuit of the switch press key, the deficiency of the prior current overload protecting plug socket base is solved, and the plug socket is safer.
Description
Technical field:
The utility model relates to the jack technology field, refers in particular to a kind of overload protection socket.
Background technology:
Any family, office, factory, office, school, and market.The used electrical appliance of people all must obtain electric current by socket, because the electrical appliance improper use, or the electrical appliance quality problems can cause the generation of security incidents such as circuit overloads or short circuit.Therefore, the research and development of Electrical Safety product such as current overload protection retaining socket come into one's own.Present existing current overload protection retaining socket is protective tube of series connection in standard socket only; behind the protective current that protective tube in operating current surpasses plug limits; protective tube melts because of heat, and circuit disconnects, and must dismantle socket and change protective tube when needs continue to use.The shortcoming of this overcurrent protection plug is: general family and electricity consumption place all do not have protective tube of the same type standby; work as too small fusing once again, the excessive potential hazard that causes of causing if change specification voluntarily; do not play protective effect, concerning electrical equipment and life safety, all have potential safety hazard.
Summary of the invention:
The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art, a kind of overload protection socket to be provided, this overload protection socket can be when current overload automatic disconnection and protect off-state, simultaneously by the shift knob break-make of commutation circuit automatically.
For achieving the above object; the technical scheme that the utility model provides is: it includes jack body, firewire jack end, ground wire jack end, zero line jack end; it also includes overcurrent protection switch; described overcurrent protection switch inserts the upper right side of jack body; this overcurrent protection switch is provided with shift knob; this overcurrent protection switch lower end is provided with live wire access pin and live wire picks out pin; live wire inserts pin and is electrically connected with live wire on the jack body, and live wire picks out pin and is electrically connected with firewire jack on the jack body.
Be provided with thrermostatic bimetal-plate in the described overcurrent protection switch; one end of this thrermostatic bimetal-plate is fixed on live wire and picks out the pin upper end; the other end of this thrermostatic bimetal-plate is provided with a contact; described live wire inserts the pin upper end and also is mounted with a contact; contact on the thrermostatic bimetal-plate and live wire insert the contact contact matching of pin upper end; the end that thrermostatic bimetal-plate is provided with the contact is connected with an end of shift knob by connector, and the end that thrermostatic bimetal-plate is provided with the contact also is connected cooperation with springboard.
The lower end of described overcurrent protection switch also is provided with ground wire and inserts pin; it allows ground wire insert pin and is electrically connected with ground wire jack end on the jack body; this ground wire inserts pin and picks out the series circuit that is in series by indicator light and resistance that inserts in parallel between the pin with live wire, and this indicator light is installed in the below of the shift knob of overcurrent protection switch.
Jack end in the described jack body is equipped with " V " clevis sheet, and the pin of overcurrent protection switch is plugged in " V " shape brace of its correspondence.
Described springboard one end is socketed on thrermostatic bimetal-plate and is provided with on the end of contact, and the other end of springboard is installed on the set screw.
In the described overcurrent protection switch pcb board is installed, described indicator light and resistance are installed on this pcb board.
After adopting technique scheme, the utility model is simple in structure, has realized automatic disconnection when current overload, and the function of the break-make by the switch key automatic switch-over circuit has solved the deficiency of existing current overload protection retaining socket, and is safer.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model overcurrent protection switch perspective view;
Pin configuration schematic diagram during Fig. 3 on the utility model difference seat.
Embodiment:
Now elaborate the utility model in conjunction with the accompanying drawings:
As accompanying drawing 1～shown in Figure 3; present embodiment includes jack body 1, firewire jack end 2, ground wire jack end 3, zero line jack end 4; overcurrent protection switch 5; wherein; ground wire jack end 3 is electrically connected with incoming call ground wire power supply; zero line jack end 4 is electrically connected with incoming call zero line power supply, and described overcurrent protection switch 5 upper ends are provided with shift knob 6.This overcurrent protection switch lower end is provided with a live wire access pin 7 and a live wire picks out pin 8 and a ground wire insertion pin 9; live wire inserts pin 7 and is electrically connected with the live wire power supply of sending a telegram here by binding post 18, and live wire picks out pin 8 and is electrically connected with firewire jack 2 on the jack body 1.Described ground wire inserts pin 9 and is electrically connected with ground wire jack end 3 on the jack body 1, wherein on interior zero line jack end 4 of jack body 1 and the ground wire jack end 3 " V " clevis sheet 10 is installed, on its corresponding pin of " V " clevis sheet 10 riveted and fixed.The live wire of overcurrent protection switch 5 inserts pin 7, ground wire inserts 9 on pin and is plugged on respectively in firewire jack end 2 corresponding with it and " V " clevis sheet 10 on the ground wire jack end 3; " V " clevis sheet 10 relies on its elasticity to clamp the pin that inserts in it, thereby makes both reach the purpose of electrical connection.
Described this ground wire inserts pin 9 and picks out series circuit that is in series by indicator light 11 and resistance of access in parallel between the pin 8 with live wire, and this indicator light 11 is installed in the below of the shift knob of overcurrent protection switch 5.
In the described overcurrent protection switch 5 pcb board 12 (circuit board) is installed, described indicator light 11 and resistance are installed on this pcb board 12.
Be provided with a thrermostatic bimetal-plate 13 in the described overcurrent protection switch 5; one end of this thrermostatic bimetal-plate 13 is fixed on live wire and picks out pin 8 upper ends; the other end of this thrermostatic bimetal-plate 13 is provided with a contact 14a; described live wire inserts pin 7 upper ends and also is mounted with a contact 14b; contact 14a on the thrermostatic bimetal-plate 13 and live wire insert the contact 14b contact matching of pin upper end, make overload cut-out 5 conductings.
The end that thrermostatic bimetal-plate 13 is provided with contact 14a is connected with an end of shift knob 6 by a connector 15, when pressing shift knob 6, shift knob 6 is provided with the end of contact 14a by connector 15 pulling thrermostatic bimetal-plates 13, contact 14a on the thrermostatic bimetal-plate 13 is contacted with the contact 14b of live wire access pin 7 or disconnects.Can be by the manually conducting and the disconnection of control overcurrent protection switch 5.
The end that thrermostatic bimetal-plate 13 is provided with contact 14a also is connected cooperation with a springboard 16.These springboard 16 1 ends are socketed on thrermostatic bimetal-plate 13 and are provided with on the end of contact 14a, the other end of springboard 16 is installed on the set screw 17, set screw 17 is used to regulate the high and low position of springboard 16, after being pressed shift knob 6, this springboard 16 remains on its position the switch motion of auxiliary switch button 6.
When jack body 1 normal the use, the contact 14a on the thrermostatic bimetal-plate 13 contacts with the contact 14a cooperation that live wire inserts pin 7, overcurrent protection switch 5 conductings, and indicator light 11 is bright; When current overload; thrermostatic bimetal-plate 13 heatings of overcurrent protection switch; the end that thrermostatic bimetal-plate 13 is provided with contact 14 is upturned; the contact 14b that contact 14a on the thrermostatic bimetal-plate 13 and live wire insert pin 7 disconnects; indicator light 11 loses driving voltage; indicator light 11 does not work; thrermostatic bimetal-plate 13 is by being connected the auxiliary force pull switch button of its terminal connector 15 and springboard 16 simultaneously; make shift knob 6 be in open position; overcurrent protection switch 5 disconnects; switch keeps off-state; after checking that electrical appliance and circuit are normal; press the shift knob 6 on the jack body 1, make overcurrent protection switch 5 conductings, electrical equipment can obtain power supply and bribe the power supply that continues to supply with use.
Claims (6)
1. overload protection socket; it includes jack body (1); firewire jack end (2); ground wire jack end (3); zero line jack end (4); it is characterized in that: it also includes overcurrent protection switch (5); described overcurrent protection switch (5) inserts the upper right side of jack body (1); this overcurrent protection switch (5) is provided with shift knob (6); this overcurrent protection switch lower end is provided with live wire access pin (7) and live wire picks out pin (8); live wire inserts pin (7) and is electrically connected with live wire on the jack body (1), and live wire picks out pin (8) and is electrically connected with firewire jack (2) on the jack body (1).
2. a kind of overload protection socket according to claim 1; it is characterized in that: be provided with thrermostatic bimetal-plate (13) in the described overcurrent protection switch (5); one end of this thrermostatic bimetal-plate (13) is fixed on live wire and picks out pin (8) upper end; the other end is provided with a contact (14a); described live wire inserts pin (7) upper end and also is mounted with a contact (14b); contact (14a) on the thrermostatic bimetal-plate (13) and live wire insert contact (14b) contact matching of pin upper end; the end that thrermostatic bimetal-plate (13) is provided with contact (14a) is connected with an end of shift knob (6) by connector (15), and the end that thrermostatic bimetal-plate (13) is provided with contact (14a) also is connected cooperation with springboard (16).
3. a kind of overload protection socket according to claim 1; it is characterized in that: the lower end of described overcurrent protection switch (5) also is provided with ground wire and inserts pin (9); it allows ground wire insert pin (9) and is electrically connected with ground wire jack end (3) on the jack body (1); this ground wire inserts pin (9) and picks out the series circuit that is in series by indicator light (11) and resistance that inserts in parallel between the pin (8) with live wire, and this indicator light (11) is installed in the below of the shift knob of overcurrent protection switch (5).
4. a kind of overload protection socket according to claim 1; it is characterized in that: the jack end in the described jack body (1) is equipped with " V " clevis sheet (10), and the pin of overcurrent protection switch (5) is plugged in " V " shape brace (10) of its correspondence.
5. a kind of overload protection socket according to claim 2 is characterized in that: described springboard (16) one ends are socketed on thrermostatic bimetal-plate (13) and are provided with on the end of contact (14a), and the other end of springboard (16) is installed on the set screw (17).
6. according to claim 1 or 3 described a kind of overload protection sockets, it is characterized in that: pcb board (12) is installed in the described overcurrent protection switch (5), and described indicator light (11) and resistance are installed on this pcb board (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200574637U CN201122746Y (en) | 2007-09-26 | 2007-09-26 | Overload protection socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200574637U CN201122746Y (en) | 2007-09-26 | 2007-09-26 | Overload protection socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122746Y true CN201122746Y (en) | 2008-09-24 |
Family
ID=40009987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200574637U Expired - Fee Related CN201122746Y (en) | 2007-09-26 | 2007-09-26 | Overload protection socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122746Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319126A (en) * | 2014-11-12 | 2015-01-28 | 上海奇佳电子有限公司 | Two-in-one switch |
-
2007
- 2007-09-26 CN CNU2007200574637U patent/CN201122746Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319126A (en) * | 2014-11-12 | 2015-01-28 | 上海奇佳电子有限公司 | Two-in-one switch |
| CN104319126B (en) * | 2014-11-12 | 2018-12-21 | 上海奇佳电子有限公司 | A kind of two-in-one switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20110926 |