CN201160769Y - Wireless electric heating kettle - Google Patents
Wireless electric heating kettle Download PDFInfo
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- CN201160769Y CN201160769Y CNU2008200428828U CN200820042882U CN201160769Y CN 201160769 Y CN201160769 Y CN 201160769Y CN U2008200428828 U CNU2008200428828 U CN U2008200428828U CN 200820042882 U CN200820042882 U CN 200820042882U CN 201160769 Y CN201160769 Y CN 201160769Y
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Abstract
The utility model discloses a wireless electrical kettle which comprises a container, a base seat, and an electrical coupler belonging to the 2 class structure, and a grounding device. A heater with a metallic underlay is arranged on the container, the heater is used to boil the water in the container and is combined with an overheat disconnecting device; the base seat is used to be connected with a power supply; the electrical coupler is provided with two electrical connectors, one of the two electrical connectors is installed on the base seat, the other connector is installed on the container, one of the two electrical connectors is provided with a concentric annular charged terminal and an annular neutral terminal, and the other connector is provided with an elastic charged terminal and a neutral terminal which are fitted and touched with the annular charged terminal and the annular neutral terminal on the former electrical connector; and the grounding device can provide the grounding protection for the wireless electric water heater. The improved 360-degree type wireless electrical kettle provided by the utility model has the advantages that the structure is simpler and more reasonable, and the operation is safer and more reliable.
Description
Technical field
The utility model belongs to daily small household appliances, is specifically related to cordless electrothermal kettle, has wireless water boiling vessels, when being put on the power supply base that connects power supply, each other can 360 ° relatively rotates around vertical axis.
Background technology
In general, the cordless electric appliance that this class can be picked up with hand is known by people.Plug on independent power supply base inserts in the wall socket, and water boiling vessels or cordless device are located on the base, so that connect.The part of the electric coupler of plugs and sockets type is connected on the base, and another part is connected in the bottom of container or cordless device.When cordless electric appliance water boiling vessels that this class can be picked up with hand or cordless device are put on the power supply base that connects power supply, each other can 360 ° relatively rotate around vertical axis.
The disclosed this cordless electric appliance of U.S. Patent Application Publication document US 3398260A is a kind of cordless electric iron, and its electric coupler has only live terminal and neutral terminal to contact for two kinds, does not establish earthing or grounding means.
The shortcoming of this cordless electric iron is, owing to there is not ground connection, has the hidden danger of getting an electric shock in the use.
The UK Patent Application open source literature GB2285716A of OTTER company is disclosed to be the electrical connection system of cordless electrothermal kettle, and its electric coupler is for having live terminal, neutral terminal and three kinds of contacted structures of ground terminal.
But the shortcoming of this electric coupler is, the center has the hole of a ground terminal can't establish shield on the connector on the base owing to be connected in, cause easily in the container water by the user splash into accidentally may.Water might enter the hidden danger that causes aspects such as safety in the electric connector like this.
The UK Patent Application open source literature GB2297438A of STRIX company is disclosed to be the electric coupler of cordless electric appliance, and its electric coupler is for having live terminal, neutral terminal and three kinds of contacted structures of ground terminal.
But the shortcoming of this electric coupler is, be connected in the set shield in hole of the connector load spring on the base, when the connector on the insertion of the connector on the container base, owing to have the opening that passes the sheet spring on the shield, when causing water in the container to drip to connector on the base accidentally by the user easily, water can enter the hidden danger that causes aspects such as safety in the electric connector.
Chinese patent application open source literature CN1253977C is disclosed to be the electric coupler of cordless electrothermal kettle, and its electric coupler is for having live terminal, neutral terminal and three kinds of contacted structures of ground terminal.
But the shortcoming of this electric coupler is that shield is not adorned in the hole that is connected in the connector load spring on the base, and when causing water in the container to drip to connector on the base accidentally by the user easily, water can enter the hidden danger that causes aspects such as safety in the electric connector; Live wire on the base and zero line also are provided with the break-make that switch is controlled power supply in addition, make structure complicated.
Summary of the invention
The purpose of this utility model is to provide at the shortcoming of above patent a kind of cordless electrothermal kettle of improved 360 ° of types, and the cordless electrothermal kettle of this improved 360 ° of types is structurally than safety and reliability in advantages of simple, the use.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of cordless electrothermal kettle, it comprises: a container, described container are provided with substrate of being made by heat-transfer matcrial and the heater of installing near described substrate zone; One is used for the base that is connected with power supply; One group of electric coupler, described electric coupler contain two electric connectors, and one of them of described two electric connectors is loaded on the base, and another electric connector is loaded on the container; Wherein, described cordless electrothermal kettle also comprises an earthing or grounding means, and described earthing or grounding means includes two ground terminals that are installed in respectively on base and the container.
The described substrate of being made by heat-transfer matcrial is a kind of metal substrate, and the mistake thermal cutoff devices that disconnects the power supply of heater under described heater and the situation that is used for the heater overtemperature is connected.
One of them electric connector of described two electric connectors includes concentric endless charged terminal and annular neutral terminal, and another electric connector includes elastic webbing electric terminal and elasticity neutral terminal; When described cordless electrothermal kettle was worked, described flexible live terminal matched with annular neutral terminal with described concentric endless charged terminal respectively with the elasticity neutral terminal and contacts; Described earthing or grounding means comprises the elasticity ground terminal that an annular ground terminal and at least one and annular ground terminal match and contact, and the wherein a kind of of annular ground terminal and elasticity ground terminal is loaded on the base, and another kind is loaded on the container; Two electric connectors of the annular ground terminal of described earthing or grounding means and electric coupler have a common axis.
Described base comprises base body, base bottom, power line, electric connector and annular or flexible ground terminal.
Described container comprises kettle main body, handle, kettle lid, steam cock, heater, crosses thermal cutoff devices, electric connector and annular or flexible ground terminal; The bottom of described kettle main body has been equipped with the kettle bottom, and its bottom centre place is provided with downward projection, forms the boss of assembling ground terminal.
The elasticity ground terminal has electric contact and forms with the annular ground terminal that matches and electrically contact in the described earthing or grounding means, the live terminal of the annular that has electric contact on flexible live terminal and the neutral terminal in the electric coupler and match electrically contacts with neutral terminal formation, when container is put on the base, ground terminal contacts at first, when container when base is taken away, ground terminal breaks away from last.
The electric connector that assembles on the base is provided with shield, and a part of material of shield adopts rubber or other soft material.
The live terminal of the connector that assembles on the live wire of described power line, neutral conductor and the base, the terminals of neutral terminal are connected; The earth lead of power line is connected with terminals annular or flexible ground terminal on the base.
Described earthing or grounding means is positioned at the periphery of electric coupler.
Described elasticity ground terminal can adopt welding with metal chassis or metal substrate or be connected with securing member.
The center of one of them electric connector of described electric coupler has newel, and the center of another electric connector is made as the hollow newel that holds and inserts.
To sum up, the beneficial effects of the utility model are:
Because the utility model has been taked technique scheme, after the water in container boiling is overflowed, flow on the base or other reason accidentally with water droplet to base the time, the set shield of electric connector on the base can prevent that sealing flow on the live part from the perforate of electric connector, and the pore volume Xu Shui that the upper surface of base does not have other yet flows on the live part.In addition, the upper epidermis of shield is the soft material of rubber and so on, no matter which kind of position shield is in, it closely contacts with the surfaces externally and internally of the annular of electric connector perforate all the time, even there is water droplet to amass on shield, water can not flow on the live part in the electric connector yet, and when container when base is picked up, shield resets under the effect of spring, can up release water.The thorough like this water of having eliminated may flow to potential safety hazard on the live part.
Because the utility model has been taked technique scheme, when the vertical centre axis of the vertical centre axis of container alignment base was prepared to be located on the base, the electric contact of the elasticity ground terminal in this moment earthing or grounding means is less than the electric contact of the elastic webbing electric terminal in the film coupler apart from the contacted distance A of annular ground terminal contacted apart from B apart from annular neutral terminal apart from the electric contact of endless charged terminal or elasticity neutral terminal.Can guarantee like this to be put on the base when in place when container, the ground terminal of earthing or grounding means at first contacts, and the charged and neutral terminal of electric coupler just contacts successively then; When container when base is taken away, the charged and neutral terminal of electric coupler at first disengages, the ground terminal of earthing or grounding means just disengages then.
Because the ground terminal that is loaded on the container links to each other with heater, like this when as long as charged situation appears in the metal parts that easily touches, can be by ground terminal the metal parts ground connection of easily touching, avoid the user accident that shocked by electricity to take place in any case what use electric kettle.
Because the utility model has been taked technique scheme, when the water boil in the electric kettle, the steam that is produced leads to the steam cock place, forces the automatic jumping of steam cock to be pulled the heater outage is quit work; If adding water, steam cock inefficacy or user do not go under the interior situation of container, when the temperature of heater surpasses uniform temperature, link to each other with heater owing to cross thermal cutoff devices, can sense the power supply of crossing thermal cutoff devices disconnection heater after the temperature of heater, heater is quit work; But also can establish Thermal Cutoffs and protected thermal cutoff devices to lose efficacy the time, power supply is forever disconnected.Electric kettle is protected aspect safe handling fully like this.
Because the utility model taked technique scheme, only have the structure of live terminal and neutral terminal in the electric coupler, structurally simpler, fit on is easier.
Because the utility model has been taked technique scheme, the bottom of kettle main body is equipped with a kettle bottom, the bottom outer rim of kettle bottom is to lower convexity, form the boss of assembling ground terminal, this boss also plays support vessels, and the stability when container is placed separately after base is taken down is better.
Because the utility model has been taked technique scheme, when using cordless electrothermal kettle to boil water, the user at first adds a certain amount of cold water in the container, then container is put on the base, the terminal that matches of electric coupler and earthing or grounding means is in contact with one another and has finished electrical connection at this moment, make the cordless electrothermal kettle energising in the plug insertion wall socket with power line again, at last steam cock is opened and made heater energising carry out cold water in the heating container until behind the water boil, steam cock can cut off the power supply voluntarily, has so just finished to boil water.
Because the utility model taked technique scheme, when container was put on the base, because container and base all are circular, container and base each other can 360 ° relatively rotate around vertical axis.And in postrotational optional position, because the electric connector of electric coupler also is circular and has common axis, set in one of them electric connector is annular terminal, and it can contact with the flexible terminal in another electric connector all the time no matter to rotate to the optional position; Same earthing or grounding means also has an annular ground terminal and contacts with another elasticity ground terminal.Electric coupler and earthing or grounding means remain electrical connection like this, make container be put on the base, no matter rotate to the optional position, and base can be powered to container all the time, make the electric kettle can be normally to boil water.This cordless electrothermal kettle is convenient in the use.
In sum, the cordless electrothermal kettle in the utility model, it is simple and reliable for structure, security is higher.
Description of drawings
Fig. 1 is the perspective view of a kind of cordless electrothermal kettle of the utility model;
Fig. 2 is the electric coupler of a kind of cordless electrothermal kettle embodiment 1 of the utility model and the cross-sectional view that earthing or grounding means is in separated position;
Fig. 3 is the electric coupler of a kind of cordless electrothermal kettle embodiment 1 of the utility model and the cross-sectional view that earthing or grounding means is in couple state;
Fig. 4 is the cross-sectional view of one of them electric connector of the electric coupler of a kind of cordless electrothermal kettle embodiment 1 of the utility model;
Fig. 5 is that the electric connector of a kind of cordless electrothermal kettle embodiment 1 of the utility model is loaded on the base and the perspective view that links to each other with power line with ground terminal;
Fig. 6 is that the electric connector of a kind of cordless electrothermal kettle embodiment 1 of the utility model and ground terminal are loaded on the perspective view on the container;
Fig. 7 is the electric coupler of a kind of cordless electrothermal kettle embodiment 2 of the utility model and the cross-sectional view that earthing or grounding means is in couple state.
Description of reference numerals:
1 is cordless electrothermal kettle, and 2 is container, and 3 is handle, 4 is steam cock, and 5 is container cap, and 6 is container body, 7 is vessel bottom head, and 8 is power line, and 9 is plug, 10 is the spill electric connector, and 11 is annular ground terminal, and 12 is base, 13 is heater, and 14 is metal chassis, and 15 is sealing ring, 16 is retainer plate, and 17 is metal substrate, and 18 is electrothermal tube, 19 is first flexible terminal, and 20 is second flexible terminal, and 21 is convex electric connector main body, 22 is the convex electric connector, and 23 is the elasticity ground terminal, and 24 is annular ground terminal terminals, 25 is base body, and 26 is the first annular terminal, and 27 is the second annular terminal, 28 is the base lower cover, and 29 is the spill electrical connector housing, and 30 is shield, 31 is spring, and 32 is terminal fixing pedestal, and 33 is neutral conductor, 34 is live wire, and 35 is earth lead, and 36 is the ground connection symbol, 37 was thermal cutoff devices, 38 is earthing rod, and 39 is the earthing rod holder, and 40 is spring.
The specific embodiment
Describe embodiment of the present utility model below by accompanying drawing, need to prove, technical scope of the present utility model is not subjected to the qualification of embodiment.
As shown in Figure 1, the utility model discloses a kind of cordless electrothermal kettle 1, and it comprises: a container 2, described container 2 are provided with substrate of being made by heat-transfer matcrial and the heater of installing near described substrate zone; One is used for the base 12 that is connected with power supply; One group of electric coupler, described electric coupler contain two electric connectors, and one of them of described two electric connectors is loaded on the base 12, and another electric connector is loaded on the container 2; Wherein, described cordless electrothermal kettle 1 also comprises an earthing or grounding means, and described earthing or grounding means includes two ground terminals that are installed in respectively on base and the container.
As shown in Figure 2, the described substrate of being made by heat-transfer matcrial is a kind of metal substrate 17, and the mistake thermal cutoff devices that disconnects the power supply of heater under described heater 13 and the situation that is used for the heater overtemperature is connected.
One of them electric connector of described two electric connectors includes concentric endless charged terminal and annular neutral terminal, and another electric connector includes elastic webbing electric terminal and elasticity neutral terminal; When described cordless electrothermal kettle was worked, described flexible live terminal matched with annular neutral terminal with described concentric endless charged terminal respectively with the elasticity neutral terminal and contacts; Described earthing or grounding means comprises the elasticity ground terminal that an annular ground terminal and at least one and annular ground terminal match and contact, and the wherein a kind of of annular ground terminal and elasticity ground terminal is loaded on the base, and another kind is loaded on the container; Two electric connectors of the annular ground terminal of described earthing or grounding means and electric coupler have a common axis.
Shown in Fig. 1-2: cordless electrothermal kettle 1 comprise container 2 and base 12 two large divisions, described base 12 has the base body 25 of a circle, spill electric connector 10 is equipped with at the center of base body 25, the periphery of base body 25 is fixed with annular ground terminal 11, and spill electric connector 10 includes the first annular terminal 26 and the second annular terminal 27, respectively in corresponding endless charged terminal and the annular neutral terminal; The described first annular terminal 26 and the second annular terminal 27 are respectively equipped with terminals, also are provided with ground terminal terminals 24 on the annular ground terminal 11; Power line 8 set on all terminals and the base joins, and plug 9 is housed on the power line 8.
A vessel bottom head 7 is equipped with in the bottom of container body 6, heater 13, convex electric connector 22 and elasticity ground terminal 23 is placed on forms safeguard protection in the container body; A container cap 5 is stamped at the top of container body 6, in case defervescence water splashes and measuring the steam effusion; One side of container body 6 is equipped with handle 3, is used for convenient portablely, and handle 3 is provided with steam cock 4, is used for energising and outage to use.
When described container body 6 adopted injection molded part, its bottom was provided with metal chassis 14 and is used for conducting heat to the container 2 interior cold water heating of being adorned; When container body 6 adopts stainless steel stretched, but its substituted metal chassis, bottom 14.
Described steam cock 4, it needs the user manually to promote when switching on, and during its outage, the steam that is produced by boiling water passes to heat and automatic outage that steam cock 4 makes its induction steam.
Shown in Fig. 2-4: the set spill electric connector 10 in the center of base body 25 has a columnar spill electrical connector housing 29, the first annular terminal 26 is loaded on its inner peripheral wall, a columned terminal fixing pedestal 32 is equipped with in the central authorities of spill electrical connector housing 29, and the second annular terminal 27 is assemblied on the cylindrical outer wall of terminal fixing pedestal 32, the such first annular terminal 26 is placed in the periphery of the second annular terminal 27 and concentric each other, and be placed between the second annular terminal 27 opening that forms an annular in the first annular terminal 26, and a shield 30 is housed in the annular opening place, the top of shield 30 makes of soft material, annular opening can be sealed up, prevent that water from splashing on the annular terminal of the inside, support with a spring 31 below the shield 30, the lower end of spring 31 peaks at the lower end of terminal fixing pedestal 32, and the sealing annular opening is carried out at the top that can make shield 30 be reset to the spill electric connector like this; The first annular terminal 26 with have terminals respectively in the second annular terminal 27 and link to each other with power line 8.
Between metal chassis 14 that the below of container body 6 is set and the container body 6 sealing ring 15 is housed, be used for preventing that the water of dress in the container 2 from leaking from here, and metal chassis 14 is fixed on container body 6 with a retainer plate 16, retainer plate 16 is provided with a series of boss and inserts in a series of holes of being offered on the circumferential wall of container body 6 fixing, the heater 13 that weld the bottom of metal chassis 14 comprises a metal substrate 17 and an electrothermal tube 18, is welded as a whole between the two; Also welding or rivet on the metal substrate 17 has screw, is used for fixing convex electric connector 22.Be noted that heater 13 also can adopt silk-screen resistance to replace electrothermal tube 18 on metal substrate 17.
Described convex electric connector 22 comprises a convex electric connector main body 21, be the hollow cylinder shape, be provided with in it and adorn first flexible terminal 19 and second flexible terminal 20, correspond respectively in elastic webbing electric terminal and the elasticity neutral terminal, have on first flexible terminal 19 and second flexible terminal 20 respectively can with the first annular terminal 26 and the second annular terminal 27 contacted electric contacts, the inwall of convex electrical connector housing 29 and hollow cylinder are formed for holding the opening of spill connector insertion.
As shown in Figure 2: when container 2 is prepared to be located on the base 12, the electric contact of elasticity ground terminal 23 is A with the relative contact distance of annular ground terminal 11 at this moment, first flexible terminal 19 and the first annular terminal 26 or first flexible terminal 20 and the first annular terminal 27 among the two the shortest relative distance that contacts be B, because A＜B, so can guarantee to be put on the base 12 when in place when container 2, the ground terminal of earthing or grounding means at first contacts, and the charged and neutral terminal of electric coupler just contacts successively then; When container 2 when base 12 is taken away, the charged and neutral terminal of electric coupler at first disengages, the ground terminal of earthing or grounding means just disengages then.
As shown in Figure 3: when container 2 is positioned on the base 12, the spill electric connector 10 that convex electric connector 22 on the container 2 inserts on the base 12, the hollow cylinder of convex electric connector 22 is with shield 30 past pressing down at this moment, hollow cylinder inserts in the annular opening of spill electric connector 10 together with first flexible terminal 19 and second flexible terminal 20, first flexible terminal 19 and the first annular terminal 26, second flexible terminal 20 and the second annular terminal 27 are contacted respectively, and the elasticity ground terminal 23 on the while container 2 contacts with the annular ground terminal 11 on the base 12.So just realized that base 12 is to container 2 power supplies and the function of ground protection is provided.
As shown in Figure 5: the power line of being adorned on the base body 25 8 has three leads, be respectively live wire 34, neutral conductor 33 and earth lead 35, one of them joins with the first annular terminal 26 and the second annular terminal 27 respectively for live wire 34 and neutral conductor 33, and the terminals 24 of earth lead 35 and annular ground terminal 11 join and indicate ground connection symbol 36 in the joint.The first annular terminal 26 and the terminals place indicia band electric terminal " L " of the second annular terminal 27 and the letter of neutral terminal " N " that are better than most spill electric connector 10.
As shown in Figure 6: thermal cutoff devices 37 was housed on the convex electric connector 22 on the container 2 is connected between convex electric connector 22 and the heater 13, when heater 13 is overheated, thereby crossing thermal cutoff devices 37 can sense the temperature of heater 13 and give heater 13 disconnecting circuits and quit work, be better than most its both sides and respectively adorn a thermal cutoff devices 37 excessively, safer like this.
Shown in Fig. 1,7: the general structure of the cordless electrothermal kettle 1 of present embodiment is identical with embodiment 1, it is the structure difference of earthing or grounding means, the upper surface of the base 12 of cordless electrothermal kettle 1 is provided with plate shaped annular ground terminal 11, the bottom of container 2 is provided with an earthing rod 38 and is positioned between vessel bottom head 7 and the earthing rod holder 39, and be provided with a spring 40 earthing rod 38 is resetted, earthing rod 38 available wire are electrically connected on heater 13 or the metal chassis 14.Because the effect of spring 40, earthing rod 38 can closely contact with annular ground terminal 11, to be grounded protection.
This cordless electrothermal kettle 1 also can be installed in annular ground terminal 11 on the container 2 and elasticity ground terminal 23 and be installed on the base 12.
In sum, 360 ° of rotations of energy were very convenient in the use when the container of this cordless electrothermal kettle in the utility model was located on the base; Electric connector can prevent that water from splashing in it on the base simultaneously, and is safer in the use.
Above-mentioned listed specific implementation is nonrestrictive, and to one skilled in the art, in not departing from the utility model scope, various improvement and the variation carried out all belong to protection domain of the present utility model.For example, the spill electric connector 10 in this cordless electrothermal kettle 1 can be installed on the container 2 and convex electric connector 22 and be installed on the base 12.Be appreciated that this change is within scope of the present utility model.
Claims (10)
1, a kind of cordless electrothermal kettle, it comprises: a container (2), described container (2) includes heater; One is used for the base (12) that is connected with power supply; One group of electric coupler, described electric coupler contain two electric connectors, and one of them of described two electric connectors is loaded on the base (12), and another electric connector is loaded on the container (2); It is characterized in that: described cordless electrothermal kettle (1) also comprises an earthing or grounding means, and described earthing or grounding means includes two ground terminals that are installed in respectively on base and the container.
2, according to the described a kind of cordless electrothermal kettle of claim 1, it is characterized in that: one of them electric connector of described two electric connectors, include endless charged terminal and annular neutral terminal, another electric connector includes elastic webbing electric terminal and elasticity neutral terminal; When described cordless electrothermal kettle was worked, described flexible live terminal matched with annular neutral terminal with described endless charged terminal respectively with the elasticity neutral terminal and contacts; Described earthing or grounding means comprises the elasticity ground terminal that an annular ground terminal and at least one and annular ground terminal match and contact, and the wherein a kind of of annular ground terminal and elasticity ground terminal is loaded on the base, and another kind is loaded on the container; Two electric connectors of the annular ground terminal of described earthing or grounding means and electric coupler have a common axis.
3, according to the described a kind of cordless electrothermal kettle of claim 2, it is characterized in that: described base (12) has the base body (25) of a circle, spill electric connector (10) is equipped with at the center of base body (25), the periphery of base body (25) is fixed with annular ground terminal (11), and spill electric connector (10) includes the first annular terminal (26) and the second annular terminal (27), respectively in corresponding endless charged terminal and the annular neutral terminal; The described first annular terminal (26) and the second annular terminal (27) are respectively equipped with terminals, also are provided with ground terminal terminals (24) on the annular ground terminal (11); Power line (8) set on all terminals and the base joins, and plug (9) is housed on the power line (8).
4, according to claim 2 or 3 described a kind of cordless electrothermal kettles, it is characterized in that: described container (2) has a container body (6), its below is provided with a metal chassis (14), and heater (13) is welded in the central authorities of metal chassis (14), the spill electric connector (10) that the central authorities of heater (13) are fastenedly connected with on a convex electric connector (22) and the base (2) forms a pair of electric coupler, and the annular ground terminal (11) that the periphery of metal chassis (14) is connected with on an elasticity ground terminal (23) and the base (2) forms an earthing or grounding means.
5, according to the described a kind of cordless electrothermal kettle of claim 3, it is characterized in that: the set spill electric connector (10) in the center of described base body (25) has a columnar spill electrical connector housing (29), the first annular terminal (26) is loaded on its inner peripheral wall, a columned terminal fixing pedestal (32) is equipped with in the central authorities of spill electrical connector housing (29), and the second annular terminal (27) is assemblied on the cylindrical outer wall of terminal fixing pedestal (32), the first annular terminal (26) is placed in the periphery of the second annular terminal (27) and concentric each other, and be placed between the second annular terminal (27) opening that forms an annular in the first annular terminal (26), one shield (30) that annular opening can be sealed up is housed in the annular opening place, being provided with a spring (31) below the shield (30) supports, the lower end of spring (31) peaks at the lower end of terminal fixing pedestal (32), the first annular terminal (26) with have terminals respectively in the second annular terminal (27) and link to each other with power line (8).
6; according to the described a kind of cordless electrothermal kettle of claim 5; it is characterized in that: the peripheral set annular ground terminal (11) of described base body (25) is loaded on the outer circle wall of base body (25); annular ground terminal terminals (24) are penetrated base body (25) by the set side opening of the outer circle wall of base body (25) inside links to each other with power line (8); the annular ground terminal (11) and with the first annular terminal (26); the second annular terminal (27) has a common axis, and the bottom of base body (25) is equipped with a base lower cover (28) spill connector (10) and annular ground terminal (11) are placed on formation safeguard protection in it.
7, according to the described a kind of cordless electrothermal kettle of claim 4, it is characterized in that: described convex electric connector (22) comprises a convex electric connector main body (21), be the hollow cylinder shape, be provided with in it and adorn first flexible terminal (19) and second flexible terminal (20), correspond respectively in elastic webbing electric terminal and the elasticity neutral terminal, have on first flexible terminal (19) and second flexible terminal (20) respectively can with the first annular terminal (26) and the contacted electric contact of the second annular terminal (27), the inwall of convex electrical connector housing (29) and hollow cylinder are formed for holding the opening of spill connector insertion.
8, according to claim 5 or 7 described a kind of cordless electrothermal kettles, it is characterized in that: when container (2) is prepared to be located on the base (12), the electric contact of establishing elasticity ground terminal (23) this moment is A with the relative contact distance of annular ground terminal (11), first flexible terminal (19) and the first annular terminal (26) or first flexible terminal (20) and the first annular terminal (27) among the two the shortest relative distance that contacts be B, then A＜B.
9, according to the described a kind of cordless electrothermal kettle of claim 4, it is characterized in that: described metal chassis (14) periphery is connected with an elasticity ground terminal (23) and can conducts electricity each other, which is provided with electric contact and contacts with annular ground terminal (11); Or elasticity ground terminal (23) is connected on the metal substrate (17); Described metal substrate (17) is for being close to the metal plate of described metal chassis (14) bottom.
10, according to the described a kind of cordless electrothermal kettle of claim 2, it is characterized in that: the upper surface of the base (12) of described cordless electrothermal kettle (1) is provided with plate shaped annular ground terminal (11), the bottom of container (2) is provided with an earthing rod (38) and is positioned between vessel bottom head (7) and the earthing rod holder (39), and be provided with a spring (40) earthing rod (38) is resetted, earthing rod (38) is electrically connected on heater (13) or the metal chassis (14) with lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200428828U CN201160769Y (en) | 2008-01-15 | 2008-01-15 | Wireless electric heating kettle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200428828U CN201160769Y (en) | 2008-01-15 | 2008-01-15 | Wireless electric heating kettle |
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| CN201160769Y true CN201160769Y (en) | 2008-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200428828U Expired - Fee Related CN201160769Y (en) | 2008-01-15 | 2008-01-15 | Wireless electric heating kettle |
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| CN102340089A (en) * | 2011-07-15 | 2012-02-01 | 罗皎 | Multipoint wireless connector of electric kettle |
| CN102740750A (en) * | 2009-09-10 | 2012-10-17 | 布瑞威利私人有限公司 | Sandwich press and grill apparatus |
| CN103054464A (en) * | 2013-01-18 | 2013-04-24 | 奕雪春 | Overflowing water collecting tray of electric kettle |
| CN103441395A (en) * | 2013-08-29 | 2013-12-11 | 苏州萤火虫贸易有限公司 | Base for electric kettle |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081210 Termination date: 20130115 |