CN1937328A - Cordless electrical connectors - Google Patents
Cordless electrical connectors Download PDFInfo
- Publication number
- CN1937328A CN1937328A CNA2006101375128A CN200610137512A CN1937328A CN 1937328 A CN1937328 A CN 1937328A CN A2006101375128 A CNA2006101375128 A CN A2006101375128A CN 200610137512 A CN200610137512 A CN 200610137512A CN 1937328 A CN1937328 A CN 1937328A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- connector
- leaf spring
- wireless electric
- electric connector
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
A cordless electrical connector (2) for fitting into a cordless power base comprises a connector housing and at least one contact assembly for making electrical contact with a terminal member of a complementary connector part. The contact assembly comprises a leaf spring for making the electrical contact with the terminal member and an intermediate metal mounting member. The leaf spring is mounted to the mounting member and the mounting member is mounted to the connector housing.
Description
Technical field
The present invention relates to form some improvement of the wireless main line electric connector in the electrical equipment that is electrically connected (just so-called 360 ° of connectors) especially for use in the relative angle orientation of wherein not considering two connector components to for example being used in some small domestic appliances.
Background technology
Nowadays, small domestic appliance for example kettle, electric iron and coffee machine is extensively equipped the distinctive electrical appliance part that a base part that is connected to the main linely connected power sup ply power supply separates with, and wireless electric connector is provided to and is used between the two allowing to distinctive electric power supply when being placed on distinctive electrical equipment on the wireless pedestal.Importantly be, these cordless electric appliances are generally the user and provide more convenience, and are therefore generally welcome on market.Client's convenience is realized even more can be improved to 360 ° of cordless connectors.
Several years ago, 360 ° of cordless connectors that are suitable in these application are developed.A P72 wireless electric connector that commercial successful example is the applicant of this connector, it can extensively obtain and in WO 95/08204 it be had more detailed description.
Yet in recent years, in the little great development in this cordless connector field.So an object of the present invention is now provides some improvement on the basis of existing design.
Summary of the invention
From first aspect of the present invention, a kind of wireless electric connector (cordlesselectrical connectors) is provided, it comprises that a connector shell and at least one are used for and a complementary connector contact assembly that terminal is electrically connected partly, this contact assembly comprises and is used for the leaf spring and the metal installation elements that are electrically connected with terminal component, wherein this leaf spring is installed on the installation elements, and this installation elements is installed on the connector shell.
Therefore, it is not simply a leaf spring terminal component to be fixed on the plastic casing that those skilled in the art will see according to the present invention, and provides an intermetallic metal installation elements, and it is installed to connector shell successively.A major advantage of this arrangement does not have direct path from (normally plastics) connector shell to the contact leaf spring, has reduced the danger of water electric leakage (water enter connector unintentionally and produce the conductive path that causes short circuit and connector shell to damage) thus.
Because the danger of electric leakage reduces, this connector can be made smaller and more exquisitely than existing connector.This has several advantages.At first, can make connector self and complementary connector part all save the material cost expense, if especially be integrated in the control unit.The second, because allow this control unit littler, thereby permission is bigger from the such control of origin design, is particularly useful for littler electrical equipment.The 3rd, the more small and exquisite meeting of the profile of connector is considered to the visual attraction of enhancing.
Another advantage that can realize according to the present invention has provided a metal installation elements, this means predetermined tolerance that location within the needed predetermined tolerance of this leaf spring depends on connector shell still less, the normally plastic moulding moulding of this connector shell.Because it is very expensive that molded plastics reaches the predetermined tolerance of a strictness, this also helps to reduce cost.
The 3rd advantage of connector as claimed in claim be if leaf spring owing to any reason over-heating, local melting connector shell and cling it and cause the disabled danger of this connector littler.
The metal installation elements can serve as the role of machinery simply when installing and support the leaf spring terminal.Yet it is preferably to be used to provide and being electrically connected of leaf spring.For example in preferred embodiment, installation elements comprises the spade terminal that is used to connect corresponding spade connector.
This leaf spring contact element can be connected to an end of installation elements simply, that is to say the most approaching end or a root end.Yet according to a preferred feature, installation elements is configured to also partly give the leaf spring preload---keep this leaf spring away from its natural resting position.So just produced a bigger contact force, and meaned that also leaf spring is positioned in the connector more accurately.In preferred embodiment, this installation elements comprises a restricted part on the point that acts on leaf spring, and this is away from the tie point of leaf spring and installation elements.
This leaf spring terminal is configured to contact or end in contact with corresponding terminal component point.For example, preferably, connector component is 360 ° of connector components, and terminal component will be arc or be circular fully, and can form contact by arc or circular edge.
Yet the leaf spring terminal is configured such that the surface of the terminal component that itself and sagittal plane are right contacts in preferred embodiment, promptly so-called side swipe contact.This is favourable, makes the as a whole predetermined tolerance that must meet because it has reduced electrical equipment, and therefore reduces the burden of appliance manufacturers.This reason be because electric contact do not depend on terminal component with respect to leaf spring perpendicular positioning, this leaf spring can the influence of receptor body or is subjected to the influence of insufficient flat wireless pedestal injection molding.
Connector component of the present invention can be provided in the middle of distinctive electrical equipment or the wireless pedestal or peculiar electrical equipment and wireless pedestal in the middle of the two.In other words, electrical equipment and dock connector part all can include contact assembly as claimed in claim.Especially at least dock connector partly comprises such contact assembly, because water more likely enters wherein.
This connector can comprise the single contact assembly of the described type of claim, for example other spring contact elements can be provided in the complementary connector part or it can be known type.Yet preferably provide two such contact assemblies, especially corresponding to energising main line and neutral pole to connector component.More preferably two contact assemblies are preferably identical.This helps reducing the quantity of different parts to reduce manufacturing cost.
This leaf spring contact element can be made by any suitable material that conforms to those constraintss with the metal installation elements.More suitably, this leaf spring is made of copper basically, although can for example apply with silver on the actual contact point, perhaps even a fixing alone terminal component is provided.This installation elements preferably is brass basically.
Description of drawings
Now with reference to accompanying drawing a preferred embodiment of the present invention is only described by way of example, wherein:
Fig. 1 is the perspective view according to wireless electric connector base part of the present invention;
Fig. 2 shows the perspective view of the complementary public connector part that is integrated into control unit;
Fig. 3 is the upward view of connector part shown in Figure 1;
Fig. 4 is a view of having removed connector shell corresponding to Fig. 2;
Fig. 5 is a upward view of having removed the connector shell of three contact assemblies; And
Fig. 6 is the vertical view of connector.
Embodiment
These accompanying drawings illustrate a kind of wireless electric connector device, comprise female base part 2 (see figure 1)s, this mother's base part 2 is used for and a wireless electric power pedestal and the assembling of public connector part 4 (see figure 2), and this public connector part 4 is integrated into a control unit that is used for a heating vessel (not needing the details of control unit understanding the present invention).This jockey allows the electrical connection of any relative angle orientation---just so-called 360 ° of jockeys.
Female connectors part 2 broadly comprises an approximate cylindrical top 6 and a bottom 8, and this top 6 is positioned at the upper surface of wireless pedestal (not shown) in use, and this bottom 8 sees it is hidden from the inside of base housing.Just as shown in figs. 1 and 6, female connectors part 2 comprises two holes that are limited in its upper surface---just a round center hole 10 and a coaxial annular hole 12.A ground connection protuberance 14 is outstanding from the hole of connector sidewall.
Fig. 2 shows the respective terminal of complementary public connector part 4.From this figure, can see a center terminal pin element 16 and a coaxial annular terminal component 18, be received respectively in use in into circular and the looping pit 10,12.Here also have an annular end sub-element 20, ground connection protuberance 14 bears against this annular end sub-element 20 when two connector parts 2,4 are assembled together.Shown in the vertical view of Fig. 6, a contact element 22 is arranged below centre bore 10, be used to cooperate center terminal pin element 16; And another contact element 24 is arranged below centre bore, be used to cooperate annular contact element 18.From then on ground connection protuberance 14 is also seen in the view.The side swipe of all three contact elements 14,22,24 changes (side swipe variety), so that match in the surface of right each contact element 16,18,20 of their its corresponding sagittal planes.
Fig. 3 and Fig. 4 illustrate in greater detail above-mentioned contact assembly.Three contact assemblies 26,28,30 provide ground connection, energising and neutral connection respectively.Each contact assembly comprises a leaf spring contact element 14,22,24 that is installed on each metal installation elements 32,34,36.This connecting element 14,22,24 is made of copper, and connecting element 14,22,24 obviously forms L shaped shape, and its bottom has the circular bend part, and this bottom forms real some contact between contact element and corresponding terminal component.If contact element 22, the 24 above-mentioned sweeps of two conveying electric currents then radially inwards, if ground connection contact element 14 above-mentioned sweeps are then radially outside.
All three contact elements 14,22,24 are fixed on their installation elements 32,34,36 separately by pin 38.Certainly can enough other forms fix, for example welding, brazing, riveted joint, curl, clamping, crooked lock or the like.Carry the contact assembly 28,30 of electric current to be actually identical for two, this can reduce manufacturing cost.In fact, comprise connector shell model shown in Figure 5, making this connector only needs five kinds of different parts, and only needs seven parts altogether.
Just as can be seen, installation elements 34,36 respectively comprises a step part, and step part respectively has a hole 34a, 36a.Corresponding contact element 22,24 passes hole 34a separately, 36a.Contact element 22,24 was so shaped that they were bent by acute angle (acute) direction before being fixed to installation elements 34,36, so that they pass hole 34a, and 36a and be fixed on the top by pin 38.Therefore this means the anterior 34b of each installation elements, 36b is reverse to be leaned against on the leaf spring 22,24, so that make it depart from its natural shape for their preloads.This helps more accurately contact element to be positioned at the connector shell the inside.
Some is similar to the contact assembly 28,30 of carrying electric current grounding assembly 26, but makes the upright arm of the installation elements 32 by L shaped shape make it away from the natural shape of acute angle more for contact element 14 preloads on the contrary.
Installation elements 32,34,36 end forms spade terminal 40 separately so that be connected on the electrical mains rapidly and safely.
The vertically extending side margins 32c of each installation elements, 34c, 36c forms zigzag separately, with vertical slits in the plastic connector housing (see figure 5) that is formed on casting accordingly to 42,44,46 cooperate, and allow each contact assembly 26,28,30 compress into the bottom of connector shell simply and are limited in slit safely.Pleasurable is because contact leaf spring 14,22,24th, and from brass installation elements 32,34,36 rather than directly from plastic casing formation, the predetermined tolerance that needs during injection molding is just not too strict.Can find out does not have direct electric pathway to pass hole 10,12 from the connector shell top to the contact element 22,24 of carrying electric current yet, this means that the danger that water is followed the tracks of has significantly reduced.
Although invention has been described according to a specific embodiment, those skilled in the art will recognize that to the invention is not restricted to this embodiment that a variety of modifications and variations all can fall within the scope of the invention.For example, it is a wireless pedestal that connector part is shown as, but it may be provided on the distinctive electrical equipment on a 50-50 basis.In fact, this contact assembly of description may be provided on two parts of connector.And though show 360 ° of connectors, principle of the present invention is applicable to the non-360-degree cordless connector too.Similarly, though context-descriptive be that this connector is used in the wireless heating vessel, this connector also can be used for other cordless electric appliances.
Claims (13)
1. a wireless electric connector (2) comprises the partly terminal component (16,18 of (4) of a connector shell and at least one and complementary connector, 20) contact assembly that electrically contacts (26,28,30), above-mentioned contact assembly (26,28,30) comprises one and above-mentioned terminal component (16,18,20) leaf spring that electrically contacts (14,22,24) and a metal installation elements (32,34,36), wherein above-mentioned leaf spring (14,22,24) be installed to above-mentioned installation elements (32,34,36) on, above-mentioned installation elements (32,34,36) be installed on the above-mentioned connector shell.
2. wireless electric connector as claimed in claim 1, wherein above-mentioned metal installation elements (32,34,36) is provided to the electrical connection of above-mentioned leaf spring (14,22,24).
3. wireless electric connector as claimed in claim 1, wherein above-mentioned installation elements (32,34,36) partly are set to by keeping above-mentioned leaf spring (14,22,24) to make it give above-mentioned leaf spring (14,22,24) preload away from its natural resting position.
4. wireless electric connector as claimed in claim 1, wherein above-mentioned installation elements (32,34,36) comprises that acts on an above-mentioned leaf spring (14,22,24) restricted part on the point, this point is away from above-mentioned leaf spring (14,22,24) with the tie point of above-mentioned metal installation elements (32,34,36).
5. wireless electric connector as claimed in claim 1 is suitable for forming and directed irrelevant the electrically contacting of the relative angle of connector (2) and above-mentioned complementary connector part (4).
6. wireless electric connector as claimed in claim 5, wherein above-mentioned leaf spring contact element (14,22,24) are set to the surface contact of the above-mentioned terminal component right with its sagittal plane (16,18,20).
7. as the described wireless electric connector of each claim of front (2), comprise the terminal component (16,18 that is used for a complementary connector part (4), 20) two contact assemblies (26,28,30) of Dian Lianjieing, each contact assembly (26,28,30) comprises that one is used for and terminal component (16,18,20) leaf spring of Dian Lianjieing (14,22,24) and a metal installation elements (32,34,36), leaf spring (14,22 wherein, 24) be installed to above-mentioned assembling element (32,34,36) on, above-mentioned assembling element (32,34,36) be installed on the connector shell.
8. wireless electric connector as claimed in claim 7, wherein above-mentioned contact assembly (28,30) correspond respectively to energising main line and neutral pole.
9. wireless electric connector as claimed in claim 7, wherein above-mentioned two contact assemblies (28,30) are identical.
10. as each described wireless electric connector among the claim 1-6, wherein above-mentioned leaf spring (14,22,24) is made of copper basically.
11. as each described wireless electric connector among the claim 1-6, wherein above-mentioned installation elements (32,34,36) is made with brass basically.
12. a dock connector part that is used for heating vessel comprises as each described wireless electric connector among the claim 1-6.
13. a wireless electric heating vessel comprises electric equipment part and a base part, and on partly one of said base and electric equipment, also comprise one as claim 1-6 in each described wireless electric connector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB0518339.7A GB0518339D0 (en) | 2005-09-09 | 2005-09-09 | Cordless electrical connectors |
| GB0518339.7 | 2005-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1937328A true CN1937328A (en) | 2007-03-28 |
Family
ID=35221128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101375128A Pending CN1937328A (en) | 2005-09-09 | 2006-09-08 | Cordless electrical connectors |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP1763115A3 (en) |
| CN (1) | CN1937328A (en) |
| GB (1) | GB0518339D0 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891407A (en) * | 2012-08-01 | 2013-01-23 | 董晓波 | Electric appliance coupler with identity identification function |
| CN104979725A (en) * | 2015-07-27 | 2015-10-14 | 罗新平 | Socket strip |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8568015B2 (en) | 2010-09-23 | 2013-10-29 | Willis Electric Co., Ltd. | Decorative light string for artificial lighted tree |
| US8298633B1 (en) | 2011-05-20 | 2012-10-30 | Willis Electric Co., Ltd. | Multi-positional, locking artificial tree trunk |
| US9157587B2 (en) | 2011-11-14 | 2015-10-13 | Willis Electric Co., Ltd. | Conformal power adapter for lighted artificial tree |
| US8569960B2 (en) | 2011-11-14 | 2013-10-29 | Willis Electric Co., Ltd | Conformal power adapter for lighted artificial tree |
| US8876321B2 (en) | 2011-12-09 | 2014-11-04 | Willis Electric Co., Ltd. | Modular lighted artificial tree |
| US9179793B2 (en) | 2012-05-08 | 2015-11-10 | Willis Electric Co., Ltd. | Modular tree with rotation-lock electrical connectors |
| US9572446B2 (en) | 2012-05-08 | 2017-02-21 | Willis Electric Co., Ltd. | Modular tree with locking trunk and locking electrical connectors |
| US10206530B2 (en) | 2012-05-08 | 2019-02-19 | Willis Electric Co., Ltd. | Modular tree with locking trunk |
| US9044056B2 (en) | 2012-05-08 | 2015-06-02 | Willis Electric Co., Ltd. | Modular tree with electrical connector |
| US9671074B2 (en) | 2013-03-13 | 2017-06-06 | Willis Electric Co., Ltd. | Modular tree with trunk connectors |
| US9439528B2 (en) | 2013-03-13 | 2016-09-13 | Willis Electric Co., Ltd. | Modular tree with locking trunk and locking electrical connectors |
| US9894949B1 (en) | 2013-11-27 | 2018-02-20 | Willis Electric Co., Ltd. | Lighted artificial tree with improved electrical connections |
| US8870404B1 (en) | 2013-12-03 | 2014-10-28 | Willis Electric Co., Ltd. | Dual-voltage lighted artificial tree |
| US9883566B1 (en) | 2014-05-01 | 2018-01-30 | Willis Electric Co., Ltd. | Control of modular lighted artificial trees |
| TWI591911B (en) | 2015-06-02 | 2017-07-11 | 羅新平 | Socket outlet |
| US10683974B1 (en) | 2017-12-11 | 2020-06-16 | Willis Electric Co., Ltd. | Decorative lighting control |
| DE102019106950A1 (en) * | 2019-03-19 | 2020-09-24 | Eichenauer Heizelemente Gmbh & Co. Kg | Actuating device with an expansion element and valve device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2209633A (en) * | 1987-09-08 | 1989-05-17 | Strix Ltd | Shuttered electrical connectors |
| GB2221104B (en) * | 1988-05-13 | 1992-08-05 | Strix Ltd | Electrical connectors |
| CA2035419C (en) * | 1990-01-31 | 2002-01-01 | Robert Andrew O'neill | Electrical appliances |
| GB9020308D0 (en) * | 1990-09-17 | 1990-10-31 | Strix Ltd | Cordless electrical appliances |
| GB9319159D0 (en) | 1993-09-16 | 1993-11-03 | Strix Ltd | Cordless electrical appliances and connectors therefor |
| GB2374735B (en) * | 2001-04-20 | 2003-10-08 | Kettle Solutions Ltd | Electrical connector |
-
2005
- 2005-09-09 GB GBGB0518339.7A patent/GB0518339D0/en not_active Ceased
-
2006
- 2006-09-04 EP EP06254593A patent/EP1763115A3/en not_active Withdrawn
- 2006-09-08 CN CNA2006101375128A patent/CN1937328A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102891407A (en) * | 2012-08-01 | 2013-01-23 | 董晓波 | Electric appliance coupler with identity identification function |
| CN102891407B (en) * | 2012-08-01 | 2015-12-30 | 董晓波 | There is the coupler for electric appliance of identity recognition function |
| CN104979725A (en) * | 2015-07-27 | 2015-10-14 | 罗新平 | Socket strip |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1763115A2 (en) | 2007-03-14 |
| GB0518339D0 (en) | 2005-10-19 |
| EP1763115A3 (en) | 2007-03-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070328 |