CN101005184A - Electric coupler - Google Patents
Electric coupler Download PDFInfo
- Publication number
- CN101005184A CN101005184A CN 200610005357 CN200610005357A CN101005184A CN 101005184 A CN101005184 A CN 101005184A CN 200610005357 CN200610005357 CN 200610005357 CN 200610005357 A CN200610005357 A CN 200610005357A CN 101005184 A CN101005184 A CN 101005184A
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- China
- Prior art keywords
- terminals
- lower contact
- slide block
- cavity
- electric coupling
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Abstract
The disclosed electric coupler includes upper contact and lower contact. Slider module is setup in the cavity of the lower contact. The Slider module is able to slide up down inside the cavity so as to make first terminal and second terminal of the lower contact inside the cavity is restricted in the circular cavity or extended out of the circular cavity. The upper contact is a cylinder subassembly. Connection terminals of the first terminal and the second terminal are distributed at different heights of the cylinder. Providing simple structure, safety, and reliable, the invention is applicable to electric connecting piece of each electrical appliance, especially to electric hot-water kettle, coffee maker etc. appliance for heating liquid.
Description
Technical field
The present invention relates to a kind of electric coupling, relate in particular to a kind of rotary electric coupler.
Background technology
At present, the electric coupling that is used for household electrical appliance such as electric kettle mainly contains two kinds: a kind of is that two couplings have the fixed coupling direction, on other direction, has simultaneously stable constraint, make two couplings that the displacement on other direction, " the direct insertion coupler " that this promptly says usually can not take place except that the coupling direction in coupling process.Another kind is that two couplings all are circular, and fit mutually each other can freely rotate between the joint of coupling back and do not influence coupling function, and this is common " rotary coupler " of saying.
Rotary coupler can be divided into two kinds again usually: 1, each utmost point conductor that constitutes for donut in the square joint, the opposing party's joint has and has certain flexible contact accordingly, form between the end face of contact and annulus and be connected, the shortcoming of this kind coupled modes is: owing to have rotating function between the coupling, and annulus can not be made very thickly, after work a period of time, easily cause the contact surface abrasion of contact and annulus, may cause at last and can't work.2, each utmost point conductor that constitutes for donut in the square joint, the contact of the opposing party's joint is connected with the sidewall of corresponding annulus, form two joints mutual socket of shell mechanism, rotation when coupling, be electrically connected then is that the contact offsets with the donut sidewall and contacts conducting, sliding contact conducting when the coupler joint rotates relatively, the wearing and tearing shortcoming that a kind of mode is caused easily before having overcome like this though wearing and tearing are arranged during slip, can not impact connection usually.
Because security needs, the coupling of contact-carrying part links to each other with power supply as the part of electrical equipment base usually; And the terminal of band donut is inserted in the electrical equipment owing to need three electric connection terminals, must at least two donut add and just can meet the demands the terminals in the center of circle.This just requires the terminals of the contact-carrying that is mated to have corresponding configuration, generally the coupler profile can be very not big, therefore be difficult to the coupler blank area of contact-carrying is designed to both satisfy between the joint rotate, the requirement of fit, satisfy again simultaneously the contact terminals in energising but when not being coupled work with extraneous complete closed, it is this that to be enclosed in some in particular cases be effective, when for example conducting liquid is sprayed onto the contact terminals, if human body touch herein then easily cause electric shock accidents, influence security of products, the increase creepage distance of being taked at present, adjust structure and quicken fluid drainage, methods such as increase insulation isolation are solved, but can not obtain gratifying effect.
Summary of the invention
The technical problem to be solved in the present invention is to overcome deficiency of the prior art, a kind of requirement of both having satisfied rotation, fit between the terminal is provided, satisfy again simultaneously contact terminal in energising but when not being coupled work with extraneous complete closed, the electric coupling of raising fail safe.
The invention provides a kind of electric coupling, comprise top connection and lower contact, described top connection comprises cylindrical insulator, first terminals, second terminals and the 3rd terminals, described first terminals and second terminals are embedded on the outer wall of described cylindrical insulator, and the space certain distance, described the 3rd terminals can be the binding post of non-ground connection; Described lower contact comprises newel and annulus, inside at described newel and annulus is respectively equipped with cavity, described newel cavity and toroidal cavity bottom connect, lower contact first terminals and second terminals are arranged in the described toroidal cavity, sidewall at the inner surface of described annulus also offers otch, offer the through hole that connects with described newel cavity on the top of described newel, to hold the 3rd terminals of described top connection, the 3rd terminals of lower contact are arranged in the described through hole; In described newel cavity and toroidal cavity, be provided with a slide block assembly, described slide block assembly can slide up and down in described newel cavity and toroidal cavity, makes first terminals of lower contact in the toroidal cavity and second terminals be limited in the toroidal cavity or by described otch and stretches out.
Wherein, described slide block assembly comprises the slide block that can be contained in described newel cavity and the toroidal cavity, one is arranged in the toroidal cavity and the guide rail that is connected with slide block, slide block can slide along described guide rail, on described slide block, be connected with the recovery member, this recovery member can drive described slide block and upwards slide along guide rail, to return to its initial position.Described recovery member is an elastic component, preferably adopts spring.
As improvement of the present invention, the 3rd terminals of described top connection, first terminals, second terminals are drawn by lead-out tablet separately respectively.The newel of described lower contact and annulus are same pivot.Leaking hole is arranged at the bottom in lower contact.Described lower contact first terminals and second terminals adopt the rubber-like hardware, and described lower contact first terminals and second terminals can stretch out from the incision in the described lower contact toroidal cavity.
Because adopt above-mentioned technical scheme, the present invention has following beneficial effect:
1, owing in the lower contact cavity of electric coupling, be provided with slide block assembly, make the terminals contact in energising but when not being coupled work with extraneous complete closed, improved the security reliability of product.
2, because there is the through hole that runs through the bottom at the lower contact center, when flowing to lower contact, liquid directly flows out, can the contact electrification terminal, improved fail safe used in everyday.
3, owing to each terminals of the top connection of electric coupling are incorporated on the cylinder and fixing, make simple in structurely, structural strength is good.
Description of drawings
Fig. 1 is the top connection stereogram of electric coupling of the present invention;
Fig. 2 is the stereogram on the top connection other direction of electric coupling of the present invention;
Fig. 3 is the lower contact stereogram of electric coupling of the present invention;
Fig. 4 is the stereogram on the top connection other direction of electric coupling of the present invention;
Fig. 5 is the structural representation of the slide block assembly of electric coupling of the present invention;
Fig. 6 is the preceding cutaway view of last lower contact coupling of electric coupling of the present invention;
Fig. 7 is the cutaway view after the last lower contact coupling of electric coupling of the present invention is finished.
Embodiment
Below in conjunction with accompanying drawing embodiment is illustrated.
As shown in Figure 1, 2, be the stereogram of the both direction of the top connection 1 of electric coupling of the present invention, wherein top connection 1 comprises: the 3rd terminals 11, annular insulator 12, first terminals 13, second terminals 14, the 3rd terminals lead-out tablet 15, the first terminals lead-out tablet 16, the second terminals lead-out tablet 17 and the screw of fixing three utmost points.The central metal rod is as the 3rd terminals, and the 3rd terminals 11 are concentric with annular insulator 12; First terminals 13, second terminals 14 are equal diameters or akin circle, be arranged on annular insulator 12 axially on, and keep at a certain distance away and embed annular insulator 12; Three utmost points are drawn by lead-out tablet 15,16,17 separately.
Shown in Fig. 3,4, stereogram for lower contact 2 both directions of electric coupling of the present invention, wherein lower contact 2 comprises: one of newel 21, annulus 22, center upper surface circular hole 23, two otch of circle ring inner surface 25, slide block 26, slide block guide rail 27, screw hole post 28,29 two on spring, spring fixed screw 210, lower contact first terminals 211, lower contact second terminals 212, lower contact the 3rd terminals 24, lower contact leaking hole 213,214 make lower contact in that run into can be rapidly with its discharge when having water to enter.Newel 21, annulus 22 link to each other by the bottom surface between the two, both same pivots; The bottom of newel, annulus is the cavity of opening, the mutual fit of inner surface of the outer surface of newel and top connection annular insulator, the mutual fit of outer surface of the inner surface of annulus and top connection annular insulator; Circle centre position at newel cavity upper surface has manhole, center the 3rd terminals that make the fashionable connection top connection of upper and lower fitting sleeve; In be provided with when top connection the 3rd terminals metal bar inserts lower contact the 3rd terminals metal clips of elasticity side contacts with it in the heart-shaped cavity, the 3rd terminals metal bar can freely rotate when this shell fragment can guarantee that both contact.The inner surface of toroidal cavity has the otch of relative definite shape, the inner surface inboard and the joint face of toroidal cavity are provided with guide rail, be provided with slide block along guide rail, slide block two outsides are provided with boss, newel cavity inside upper surface is provided with four screw hole posts, be respectively applied for the fixing spring screw and first terminals, the second terminals fixed screw, the boss Elastic Contact of the head of spring and slide block, because the effect of spring makes progress along track, seal by the hole that the toroidal cavity inner surface is opened in the two sides of slide block under the situation that does not have top connection to insert for slide block; It is corresponding that the height of first terminals, second terminals of fashionable top connection is overlapped in the height of first terminals, second terminals and top connection, lower contact, the head at the two poles of the earth is fixed with the contact, at certain position folding bending is arranged, the position at the two poles of the earth and height, width are corresponding with the hole that the toroidal cavity inner surface is opened simultaneously.
As shown in Figure 5, be the structural representation of the slide block assembly of electric coupling of the present invention, its internal structure is: spring 29 is fixing by spring fixed screw 210, and spring head 291 props up the bottom of the boss 261 of slide block 26, makes slide block that the power that makes progress along guide rail 27 be arranged; Slide block fore-set 262 is positioned at the center of newel, and offseting with the lower end of the sidewall that is positioned at core 241 of lower contact the 3rd terminals 24 contacts or keep certain distance.The sidewall of lower contact the 3rd terminals core 241 has certain elasticity.
As shown in Figure 6, be the cutaway view before the upper and lower joint coupling of electric coupling of the present invention, the inwall of the outer wall of the annular insulator 12 of top connection 1 and the shell annulus 22 of lower contact 2 is fit mutually, and the 3rd terminals 11 of top connection 1 and the upper surface circular hole 23 of lower contact 2 be fit mutually; The 3rd terminals 11 of top connection 1 are connected with the inner surface of lower contact 2 the 3rd terminals sidewall 241, keep certain elastic pressure each other, and can relatively rotate.Circle ring inner surface otch 25 is sealed in two sides of the slide block 26 of lower contact 1, but enters lower contact 2 Jiang Shui if any water like this and two electrodes 211,212 separate; Lower contact first terminals 211, second terminals 212 are constrained in the cavity of annulus 22 by two lateral surfaces of slide block 26, and strain takes place at the two poles of the earth, and the contact 2111,2121 on the two poles of the earth forms pressure to the two sides of slide block respectively.
As shown in Figure 7, on electric coupling of the present invention, cutaway view after the lower contact coupling is finished, the two poles of the earth 211 of lower contact, 212 contact 2111,2121 the resilience force that strain produces takes place during owing to Fig. 6 discharges, the two poles of the earth 13 with top connection 1, the contact that offsets fully of 14 annulus outer surface, when top connection 1 moves up disengaging lower contact 2, the boss 261 of slide block 26 rises under the effect of the restoring force of spring 29, the top of the both side surface of slide block 26 is with the two poles of the earth 211 of lower contact 2,212 back down, on making, the two poles of the earth of lower contact disconnect, again the two poles of the earth with lower contact 2 constrain in the cavity of annulus 22, disengage at last be on, the 3rd terminals of lower contact.
Concrete dynamic duty process is as follows: the impetus owing to spring when upper and lower joint separates makes slide block upwards slide till the hole complete closed that the toroidal cavity inner surface of lower contact is opened along track, first terminals, the contact of second terminals and the outer surface Elastic Contact of slide block of lower contact this moment radially have certain pressure to the outer surface of slide block at annulus.When last, during the lower contact coupling, the manhole on the surface of lower contact is passed at the 3rd terminals center of top connection, the 3rd terminals Elastic Contact of its side surface and lower contact is also passed this 3rd terminals, the center end face is withstood the upper surface of slide block, make slide block slide downwards along track, sliding block spring is strain simultaneously, open gradually in the hole that the inner surface both sides of the lower contact toroidal cavity that sealed by slide block this moment are opened, when certain position is reached in the hole, first terminals of lower contact, the second terminals contact is in the radially ejection hole of the effect lower edge of elastic force annulus, with corresponding top connection first terminals, the second terminals annulus Elastic Contact is finished the coupling action; When coupler separates because the effect of sliding block spring, slide block upwards slides along track, the outer surface of slide block is radially pushed first terminals, second terminals open along annulus, make first terminals, second terminals of upper and lower joint separate, the 3rd terminals of upper and lower joint separate at last, thereby finish whole duty cycle.
It should be noted that at last: above embodiment only in order to the explanation the present invention and and unrestricted technical scheme described in the invention; Therefore, although this specification has been described in detail the present invention with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of the spirit and scope of the present invention, and it all should be encompassed in the claim scope of the present invention.
Claims (10)
1, a kind of electric coupling, comprise top connection and lower contact, it is characterized in that: described lower contact comprises newel and annulus, inside at described newel and annulus is respectively equipped with cavity, described newel cavity and toroidal cavity bottom connect, lower contact first terminals and second terminals are arranged in the described toroidal cavity, sidewall at the inner surface of described annulus offers otch, offer the through hole that connects with described toroidal cavity on the top of described newel, the 3rd terminals of lower contact are arranged in the described through hole; In described newel cavity and toroidal cavity, be provided with a slide block assembly, described slide block assembly can slide up and down in described newel cavity and toroidal cavity, with open-minded, it is interior or stretched out by described otch to make first terminals of lower contact in the toroidal cavity and second terminals be limited in toroidal cavity with the closure of control otch.
2, electric coupling according to claim 1, it is characterized in that: described slide block assembly comprises the slide block that can be contained in described center cavity and the toroidal cavity, one is arranged in the toroidal cavity and the guide rail that is connected with described slide block, this slide block can slide along described guide rail, on described slide block, be connected with the recovery member, this recovery member can drive described slide block and upwards slide along guide rail, to return to its initial position.
3, electric coupling according to claim 2 is characterized in that: described recovery member is a spring.
4, electric coupling according to claim 1, it is characterized in that: described top connection is a cylinder component, comprise cylindrical insulator, first terminals, second terminals and the 3rd terminals, first terminals of described top connection and second terminals are embedded on the outer wall of described cylindrical insulator differing heights, and space certain distance, described first terminals, second terminals are equal diameters or akin metal ring, the through hole fit of described the 3rd terminals and lower contact newel, and can promote the slide block assembly motion.
5, electric coupling according to claim 4 is characterized in that: described the 3rd terminals can be the binding post of non-ground connection.
6, electric coupling according to claim 1, it is characterized in that: described lower contact first terminals and second terminals adopt the rubber-like hardware, and described lower contact first terminals and second terminals can stretch out from the incision in the described lower contact toroidal cavity.
7, electric coupling according to claim 1 is characterized in that: the 3rd terminals of described top connection, first terminals, second terminals are drawn by lead-out tablet separately respectively.
8, electric coupling according to claim 1 is characterized in that: the newel of described lower contact and annulus are same pivot.
9, electric coupling according to claim 1 is characterized in that: leaking hole is arranged at the bottom in lower contact.
10, a kind of electric kettle is characterized in that: comprise electric coupling as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610005357 CN101005184A (en) | 2006-01-16 | 2006-01-16 | Electric coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610005357 CN101005184A (en) | 2006-01-16 | 2006-01-16 | Electric coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101005184A true CN101005184A (en) | 2007-07-25 |
Family
ID=38704142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610005357 Pending CN101005184A (en) | 2006-01-16 | 2006-01-16 | Electric coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101005184A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972310A (en) * | 2016-01-13 | 2017-07-21 | 阿尔卑斯电气株式会社 | Rotary connector |
-
2006
- 2006-01-16 CN CN 200610005357 patent/CN101005184A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972310A (en) * | 2016-01-13 | 2017-07-21 | 阿尔卑斯电气株式会社 | Rotary connector |
| CN106972310B (en) * | 2016-01-13 | 2019-06-04 | 阿尔卑斯阿尔派株式会社 | Rotary connector |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |