CN2634673Y - Safety connector for electric appliance - Google Patents
Safety connector for electric appliance Download PDFInfo
- Publication number
- CN2634673Y CN2634673Y CN 03262049 CN03262049U CN2634673Y CN 2634673 Y CN2634673 Y CN 2634673Y CN 03262049 CN03262049 CN 03262049 CN 03262049 U CN03262049 U CN 03262049U CN 2634673 Y CN2634673 Y CN 2634673Y
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- mentioned
- housing
- electrical equipment
- contact chip
- combination hub
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Abstract
A safe connector for electrical apparatuses comprises a plug and a socket, wherein the plug consists of a plastic body and a metal probe fixed on the plastic body and the socket comprises a connection socket, a cover-shape shell with a locating hole and covering the connection socket, a magnet base, a magnet arranged on the magnet base and a flat thin magnet, a contact piece and a power supplying and conductive plate that are arranged on the body. The component parts form the protective mechanism with a plurality of precise effects and formed through the connection of the plug and the socket. When the main body is removed, the power can not be applied to conduct the circuit both in power non-connection state and power connection state, avoiding the casual touch and operation by children or the danger of electric shock caused by occasional touch of users.
Description
Technical field
The utility model relates to a kind of breaking piece, especially relates to the breaking piece that a kind of charger is used.
Background technology
At present, many electrical equipment, for example electric heaters such as electric rice cooker, insulating pot, electric deep fryer all comprise main body and base.Main body is provided with resistor disc or the resistance wire into the vessel heating, and base is equipped with electric power connection line and attaching plug.Main body can be moved arbitrarily, so people call cordless matrix or detachable matrix to this electrical equipment.Electrical equipment is except can installing mains switch, timer, light-emitting diode and acoustic signalling system, and main body and base also are respectively equipped with the connector of intercalation part and receptacle portion.Have only when main body is placed into intercalation part is contacted with receptacle portion and to constitute when being electrically connected, the circuit of electrical equipment could be closed, thereby electric current flows through entire circuit and resistance wire is heated.But in traditional electrical equipment, particularly the structure of receptacle portion is very simple, is not directly exposed to outside the base with normally having any safeguard measure.Intercalation part and receptacle portion are separate, under the situation of energising, main body also can be unloaded from base, perhaps behind the main body removal, still can close a switch again, because of the receptacle portion of base and the maintenance connection status of power supply, if children arbitrarily stir and operate receptacle portion, perhaps the user touches once in a while, just may cause the danger of electric shock.
The utility model content
The purpose of this utility model is to provide a kind of electrical equipment breaking piece with self-protection structure in order to overcome above-mentioned defective.
Realize that the above-mentioned purpose technical scheme is: the utility model provides a kind of electrical equipment breaking piece, this electrical equipment is made up of main body and base, above-mentioned breaking piece comprises intercalation part and the receptacle portion that is separately positioned on main body and the base, described intercalation part is made up of plastic body and three metal probes that are fixed on the plastic body, each probe has a pin portion and terminals that stretch out outside the plastic body, described receptacle portion comprises: a combination hub, this combination hub is made of with the header board and the base plate that are connected this parallel-plate with diapire as perpendicular wall respectively parallel-plate, is provided with an opening between described header board and base plate; One cover type housing covers on the combination hub, the upper wall surface of this housing be provided with three respectively with above-mentioned three metal probe pin portion corresponding positioning hole; One magnetic receiver, this magnetic receiver are by a base and integrally formed perpendicular to the sleeve of base, and this magnetic receiver is arranged on the front portion of combination hub; One magnet is installed in the sleeve of above-mentioned magnetic receiver; One flat thin magnet is installed on the extension of plastic body one side of intercalation part, and is corresponding in vertical direction with the magnet in the magnetic receiver; Three contacts, be respectively first, second and the 3rd contact chip, above-mentioned contact chip space, be installed in parallel on the header board of combination hub, the top of above-mentioned contact chip can be corresponding in vertical direction with three location holes of housing respectively, and above-mentioned pin portion contacts with the front portion of above-mentioned first, second and the 3rd contact chip behind three location holes that insert housing; Two power supply conducting strips, pass opening, be installed in abreast on the combination hub base plate that is positioned under the first and the 3rd contact chip, above-mentioned power supply conducting strip one end is connected the base both sides of magnetic receiver separately, with the rear portion relative spacing certain distance of the first and the 3rd contact chip in above-mentioned three contact chips.
Described first, second is made of two sections right angle bending members respectively with the 3rd contact chip, and per two sections right angle bending members contact up and down to form by screw and connect; Described power supply conducting strip is formed up and down by screw by two sections plain film spares respectively and connects, and on the rear portion lower surface of the bending member of the rear upper surface of the plain film spare of described power supply conducting strip and the first and the 3rd contact chip, is respectively equipped with a silver contact that aligns mutually up and down.
The parallel-plate of described combination hub is four blocks of angle square shape plates, forms three interval troughs with above-mentioned header board, is used to install first, second and the 3rd contact chip.
Described combination hub is the plastic cement that an injection moulding forms one.
Described cover type housing is a rectangle, this shell nozzle place is provided with the edge, by this edge above-mentioned housing is installed on the horizontal component of angle square shape plate of parallel-plate, above-mentioned first and the rear portion of the 3rd contact chip extend housing, above-mentioned magnetic receiver exposes the anterior outside at housing.
Described connector comprises that also one is installed in the housing near the contact protective device of upper wall surface, and this protective device comprises a box part, has the via hole that three each location holes with housing align up and down respectively; One is arranged on the lateral movement plate in the box part, the centre of this movable plate is provided with the elongated slot of opening left, both sides respectively are provided with a sliding surface that tilts to left down, the inboard of this elongated slot and sliding surface is relative one by one with via hole separately, on the sidewall of elongated slot and sliding surface spacer portion, respectively be provided with protruded stigma portion and two coil springs that oppositely extend with the elongated slot opening direction, an end of each coil spring is nested with in protruded stigma portion, and the other end flexibly is resisted against on the sidewall of box part.
Described flat thin magnet is installed in the bottom of the housing of electrical equipment main body.
The diameter of described location hole and via hole is greater than the pin portion external diameter of intercalation part.
This shows; the utlity model has the protectiveness mechanism that a plurality of whiles accurately act on; after main body is removed; no matter in non-power supply connection status; still in the power supply connection status; can energized or make circuit turn-on, can avoid children arbitrarily to stir and operate, avoid the user to touch once in a while and the Danger Electric shock risk that causes.
Description of drawings
Fig. 1 is the intercalation part of the utility model breaking piece and the three-dimensional exploded view of receptacle portion;
Fig. 2 is the three-dimensional exploded view of combination hub, contact and the power supply conducting strip of receptacle portion among Fig. 1;
Fig. 3 is that contact and the power supply conducting strip of Fig. 2 is installed in left side, back schematic perspective view on the combination hub;
Fig. 4 is the stereogram of the contact protective device of installing in the cover type housing;
Fig. 5 is an embodiment of the present utility model, is illustrated in the structural representation of the breaking piece of installing on the heating appliances;
Fig. 6 is the structural representation of the breaking piece of Fig. 5 in connection status.
Embodiment
See also Fig. 1 to Fig. 4, electrical equipment is made up of main body 100 and base 200 usually.Described electrical equipment of the present utility model comprises an intercalation part 1 and a receptacle portion 2 with breaking piece, wherein, intercalation part 1 comprises a plastic body 11 and three metal probes 12 that are fixed on the plastic body 11, wherein, body 11 is made up of the loam cake 111 and the lower cover 112 that respectively have three probe installing holes, the centre of each probe 12 has a bulge loop 121, the hole on loam cake 111 and the lower cover 112 is passed at its two separately, by screw loam cake 111 and lower cover 112 are linked together, the bulge loop 121 of probe 12 is clamped between loam cake 111 and the lower cover 112 securely, but the two ends of this probe 12 are stretched out and are formed the terminals 14 that heat in a pin portion 13 and the connecting circuit main body with resistance wire or resistor disc outside the plastic body, and above-mentioned receptacle portion 2 comprises:
One combination hub 21, this combination hub 21 are to be made of or integrally formed two parallel-plates 210 and a header board 211 that vertically is connected these two parallel-plates 210 respectively and a base plate 212, form one and open 213 between header board 211 and base plate 212.Preferable situation is that parallel-plate 210 is right angle angle square shape plates; Preferably parallel-plate 210 has four, can form three interval troughs 214 in its back and header board 211, and its front and header board 211 and base plate 212 form the intensity that three right angle interval troughs 215 are used for strengthening combination hub 21.Usually, described combination hub 21 can form one through an injection moulding of plastic cement.
One cover type housing 22 can be made the rectangle cap that is similar to shade, and its upper wall surface is provided with three location holes 221, and above-mentioned three location holes 221 can be respectively be oppositely arranged with the pin portion 13 of three metal probes 12.Housing 22 can cover on the combination hub 21 and be fixed on the combination hub 2 by the planar portions of parallel-plate 210 angle square shapes.
One magnetic receiver 23, it is made of the vertical sleeve 232 that is positioned at base 231 central authorities with of a base 231 or is integrally formed, with the bottom of combination hub 21 at interval mode relative or that align be arranged on the front of combination hub 21 discretely.
Above combination hub 21, cover type housing 22 and magnetic receiver 23 all can be by insulating material, and for example plastics are made.
One magnet 24 is in the sleeve 232 disk shape and that be installed in magnetic receiver 23.
One flat thin magnet 25, it can be installed on plastic body 11 extensions (not drawing among the figure) of intercalation part 1, perhaps be installed in the electrical equipment main body housing bottom and with the sleeve 232 of magnetic receiver in magnet about in the of 24 straight line corresponding or align.
Three contacts are elastic conducting strip, they are respectively first, second and the 3rd contact 26,27 and 28 (live wire, zero line and ground wires), their spaced and parallel are installed on the header board 211 of combination hub 21 or are installed in three interval troughs 214 of header board 211, and three location holes 221 of its top and housing 22 are vertically opposite, so that pin portion 13 is inserted in three location holes 221 of housing 22, above-mentioned pin portion 13 contacts with the front portion of first, second and the 3rd contact chip 26,27,28 respectively.Preferably, described first, second and the 3rd contact chip 26,27,28 are made of two sections right angle bending members 261,271,281 and 262,272,282 respectively, the latter be by screw on the header board 211 of combination hub 21.
Two power supply conducting strips 29,30 are elastic conducting strip.The opening 213 that they pass combination hub 21 is installed on the combination hub base plate 212 under the first and the 3rd contact 26 and 28 that is positioned at three contacts at interval, and their end is connected with power line, and the other end is connected on base 231 both sides of magnetic receiver separately, and they with three contact chips in the rear portion of the first and the 3rd contact chip 26,28 at a certain distance between the upper and lower every relative.Preferable, power supply conducting strip 29,30 is formed by connecting by before and after the screw by two pairs of plain film spares 291,301 and 292,302 respectively.
In addition, on the rear portion lower surface of the rear upper surface of the plain film spare 292,302 of described power supply conducting strip and the bending member 262,282 of the first and the 3rd contact chip, respectively be provided with one up and down at certain intervals apart from silver contact 263,293 and 283 and 303 aligned with each other.
As shown in Figure 4, in another preferred embodiment, described connector comprises that also one is installed in the housing 22 near the contact protective devices 3 of upper wall surface, and this protective device comprises a box part 31, and it has the via hole 311 that three each location holes 221 with housing align up and down respectively; One is arranged on the lateral movement plate 32 in the box part 31, be provided with the elongated slot 321 of opening to the left in the middle of this movable plate 32, elongated slot mainly plays the guiding function to pin portion 13, the both sides of movable plate 32 respectively are provided with a downward-sloping sliding surface 322 left, make the inboard of this elongated slot 321 and sliding surface 322 relative one by one with via hole 311 separately, on the sidewall of elongated slot 321 and sliding surface 322 spacer portion, then respectively be provided with a protruded stigma portion 324 of oppositely extending with the opening direction of elongated slot 321; And two coil springs 323, each coil spring 323 1 end is nested with in protruded stigma portion 324, and the other end flexibly is resisted against on the sidewall of box part 31.Like this; when the pin portion 13 of plug does not insert in the housing 22, the sliding surface 322 of movable plate 32 can cover in three via holes 311 about two, prevent that external impurities from entering combination hub 21 and drop on the contact from location hole 221; play protection combination hub 21, order is used safer and reliable.When the pin portion 13 of plug inserts in the housing 22, pin portion 13 is behind location hole 221, continue to move down, aim at and enter elongated slot 321 for one of three pin portion 13 centres, all the other two then promote the elastic force that sliding surface 322 makes movable plate 32 overcome coil spring 323 and move right, and described pin portion 13 is contacted by first, second and the 3rd contact 26,27 and 28 of via hole 311 and combination hub 21.
For the installation of breaking piece of the present utility model on electrical equipment, intercalation part 1 is installed in the lower housing portion of main body 100 usually, and the bottom surface that makes flat thin magnet 25 is in the bottom part body flush position of housing, receptacle portion 2 is installed on the base 200, wherein cover type housing 22 is fixed on the upper plate of base 200, and combination hub 21 bottoms and magnetic receiver 23 are positioned at base 200, and this magnetic receiver 23 can move up and down by the hole on the base 200.
In use, main body 100 is placed on the base 200, the running of each mechanism of intercalation part 1 and receptacle portion 2 or connection procedure are as illustrated in Figures 5 and 6.At first; the pin portion 13 of three metal probes 12 of intercalation part 1 is passed down through three location holes 221 of cover type housing 22 simultaneously; promoting movable plates 32 by the sliding surface 322 of the movable plate of protective device moves right; make pin portion 13 move through elongated slot 321 and sliding surface 322 and enter three via holes 311 with three location hole 221 corresponding box parts 31; continue to move down; reach at last and three contacts 26; 27 and 28 last kink 261; 271 contact with 281, and meanwhile movable plate 32 is subjected to spring 323 pressure and pin portion 13 is clipped between 221 via holes 311 of location hole.Then, flat thin magnet 25 is seated on the base and magnet 24 alternate certain intervals distances, magnet 24 is moved upward and is elevated to and attracted position mutually, flat thin magnet 25 bottoms.On this attracted position, two power supply conducting strips 29,30 that also drive on the magnetic receiver 23 moving up of magnet 24 rise, silver contact 263 and 283 on it enter with reach with first with the 3rd contact 26 and 28 silver contact 293 and 303 contact, the circuit of whole electrical equipment is switched on.Breaking piece of the present utility model interacts by the different institutions such as contact of the above pin portion 13 and contact 26,27 and 28, flat thin magnet 25 and magnet 24 and power supply conducting strip 29,30 and the first and the 3rd contact 26 and 28, makes appliance circuit safety, conducting reliably.When not using; when being main body 100 and base 200 disengagings; the pin portion 13 of intercalation part 1 withdraws from from via hole 311 and location hole 221; the movable plate of protective device back into its resting position with movable plate 32 under the elastic force of spring 323, and by the sliding surface 322 of movable plate the via hole 311 that leads to contact 26 and 28 is sealed.
Claims (8)
1. electrical equipment breaking piece, this electrical equipment is made up of main body and base, and above-mentioned breaking piece comprises intercalation part (1) and the receptacle portion (2) that is separately positioned on main body and the base, it is characterized in that:
Described intercalation part (1) is made up of plastic body (11) and three metal probes (12) of being fixed on the plastic body (11), each probe (12) has a pin portion (13) and terminals (14) that stretch out outside the plastic body (11), and described receptacle portion (2) comprising:
One combination hub (21), this combination hub (21) is provided with an opening (213) by parallel-plate (210) and the header board (211) and a base plate (212) formation that are connected this parallel-plate (210) respectively as perpendicular wall with diapire between described header board (211) and base plate (212);
One cover type housing (22) covers on the combination hub (21), the upper wall surface of this housing be provided with three respectively with above-mentioned three metal probe pin portions (13) corresponding positioning hole (221);
One magnetic receiver (23), this magnetic receiver (23) are integrally formed by a base (231) and a sleeve perpendicular to base (231) (232), and this magnetic receiver is arranged on the front portion of combination hub (2);
One magnet (24) is installed in the sleeve (232) of above-mentioned magnetic receiver (23);
One flat thin magnet (25) is installed on the extension of plastic body (11) one sides of intercalation part, and is corresponding in vertical direction with the magnet (24) in the magnetic receiver (23);
Three contacts, be respectively first, second and the 3rd contact chip (26,27,28), above-mentioned contact chip space, be installed in parallel on the header board (211) of combination hub (21), the top of above-mentioned contact chip can be corresponding in vertical direction with three location holes (221) of housing (22) respectively, and above-mentioned pin portion (13) contacts in the front portion of three location holes (221) back of inserting housing (22) with above-mentioned first, second and the 3rd contact chip (26,27,28);
Two power supply conducting strips (29,30), pass opening (213), be installed in abreast on the combination hub base plate (212) that is positioned under the first and the 3rd contact chip (26,28), above-mentioned power supply conducting strip one end is connected base (231) both sides of magnetic receiver (23) separately, with the rear portion relative spacing certain distance of the first and the 3rd contact chip (26,28) in above-mentioned three contact chips.
2. electrical equipment breaking piece as claimed in claim 1 is characterized in that:
Described first, second is made of two sections right angle bending members (261,271,281 and 262,272,282) respectively with the 3rd contact chip (26,27,28), and per two sections right angle bending members contact up and down to form by screw and connect; Described power supply conducting strip (29,30) is formed up and down by screw by two sections plain film spares (291,301 and 292,302) respectively and is connected, on the rear portion lower surface of the bending member (262,282) of the rear upper surface of the plain film spare of described power supply conducting strip (292,302) and the first and the 3rd contact chip, be respectively equipped with a silver contact (263,293 and 283,303) that aligns mutually up and down.
3. electrical equipment breaking piece as claimed in claim 1, it is characterized in that: the parallel-plate (210) of described combination hub (21) is four blocks of angle square shape plates, form three interval troughs (214) with above-mentioned header board (211), be used to install first, second and the 3rd contact chip (26,27,28).
4. as claim 1 or 3 described electrical equipment breaking pieces, it is characterized in that: described combination hub (21) is the plastic cement that an injection moulding forms one.
5. electrical equipment breaking piece as claimed in claim 1, it is characterized in that: described cover type housing (22) is a rectangle, this shell nozzle place is provided with edge (225), by this edge (225) above-mentioned housing is installed on the horizontal component of angle square shape plate of parallel-plate (210), housing (22) is extended at the rear portion of the above-mentioned first and the 3rd contact chip (26,28), and above-mentioned magnetic receiver (23) exposes the anterior outside at housing (22).
6. electrical equipment breaking piece as claimed in claim 1, it is characterized in that: described connector comprises that also one is installed in the interior contact protective device near upper wall surface of housing (22), this protective device comprises a box part (31), has the via hole (311) that three each location holes (221) with housing align up and down respectively; One is arranged on the lateral movement plate (32) in the box part (31), the centre of this movable plate (32) is provided with an elongated slot of opening (321) left, both sides respectively are provided with a sliding surface (322) that tilts to left down, the inboard of this elongated slot (321) and sliding surface (322) is relative one by one with via hole (311) separately, on the sidewall of elongated slot (321) and sliding surface (322) spacer portion, respectively be provided with protruded stigma portion (324) and two coil springs (323) that oppositely extend with elongated slot (321) opening direction, one end of each coil spring (323) is nested with in protruded stigma portion (324), and the other end flexibly is resisted against on the sidewall of box part (31).
7. electrical equipment breaking piece as claimed in claim 1 is characterized in that: described flat thin magnet (25) is installed in the bottom of the housing of electrical equipment main body.
8. electrical equipment breaking piece as claimed in claim 1 is characterized in that, the diameter of described location hole (211) and via hole (311) is greater than pin portion (13) external diameter of intercalation part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262049 CN2634673Y (en) | 2003-05-21 | 2003-05-21 | Safety connector for electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262049 CN2634673Y (en) | 2003-05-21 | 2003-05-21 | Safety connector for electric appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2634673Y true CN2634673Y (en) | 2004-08-18 |
Family
ID=34296782
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03262049 Expired - Fee Related CN2634673Y (en) | 2003-05-21 | 2003-05-21 | Safety connector for electric appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2634673Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058567A (en) * | 2016-07-29 | 2016-10-26 | 茁腾安防科技（上海）有限公司 | Magnetic plug and magnetic socket |
| CN106538082A (en) * | 2014-07-17 | 2017-03-22 | 罗伯特·博世有限公司 | Electronics module having plugged-in electrical contacting |
| CN106664808A (en) * | 2014-07-17 | 2017-05-10 | 罗伯特·博世有限公司 | Electronics module comprising a plug-in electric contact |
| CN110299638A (en) * | 2019-07-03 | 2019-10-01 | 李庆 | A kind of socket and matched plug preventing electric shock |
-
2003
- 2003-05-21 CN CN 03262049 patent/CN2634673Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106538082A (en) * | 2014-07-17 | 2017-03-22 | 罗伯特·博世有限公司 | Electronics module having plugged-in electrical contacting |
| CN106664808A (en) * | 2014-07-17 | 2017-05-10 | 罗伯特·博世有限公司 | Electronics module comprising a plug-in electric contact |
| CN106058567A (en) * | 2016-07-29 | 2016-10-26 | 茁腾安防科技（上海）有限公司 | Magnetic plug and magnetic socket |
| CN110299638A (en) * | 2019-07-03 | 2019-10-01 | 李庆 | A kind of socket and matched plug preventing electric shock |
| CN110299638B (en) * | 2019-07-03 | 2021-01-26 | 江苏元佳新材料有限公司 | Socket capable of preventing electric shock and matched plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |