CN2930025Y - Electric coupler - Google Patents
Electric coupler Download PDFInfo
- Publication number
- CN2930025Y CN2930025Y CN 200620120363 CN200620120363U CN2930025Y CN 2930025 Y CN2930025 Y CN 2930025Y CN 200620120363 CN200620120363 CN 200620120363 CN 200620120363 U CN200620120363 U CN 200620120363U CN 2930025 Y CN2930025 Y CN 2930025Y
- Authority
- CN
- China
- Prior art keywords
- slide block
- bayonet lock
- cavity
- moving spring
- contact
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses an electric coupler, which comprises an upper joint and a lower joint. The upper joint comprises an outer ring grommet and an inner ring grommet which are equipped in the center of a first binding post, a second receiving terminal and a third receiving terminal are equipped on both sides of the inner ring grommet. The lower joint comprises an insulating sole-plates and an insulator assembly which comprises a hollow central insulated column and an annular insulation wall between the two have a gap which is connection to the hollow space of the central insulated column and forming a cavity which can accommodate the first binding post, the second receiving terminal and the third receiving terminal. An end closed piecener is equipped in the cavity of the lower joint. The utility model has the advantages of utilization safety and reliability, and can meet the challenge of the electric joining member.
Description
Technical field
The utility model relates to a kind of electric coupling, relates 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 360 degree rotation electric kettles mainly contains two kinds: a kind of is to be each electrode conductor of donut formation in the square joint, the opposing party's terminal 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.Another kind is each electrode 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 problems to be solved in the utility model is to overcome deficiency of the prior art, a kind of requirement of both having satisfied rotation, fit between the terminal is provided, satisfy simultaneously contact terminal again in energising but when not being coupled work and extraneous complete closed, safe electric coupling.
Originally buy with novel a kind of electric coupling is provided, comprise top connection and lower contact, described top connection is a concentric circle assembly, described concentric circle assembly comprises outer shroud insulated ring and interior ring insulated ring, be arranged at first binding post at center, and second terminals and the 3rd terminals that encircle the insulated ring both sides in being arranged at; Described lower contact comprises an insulating base, on described insulating base, be provided with the insulator assembly that engages with the concentric circle assembly of described top connection, described insulator assembly comprises the central insulation post and an annular insulation wall of a hollow, between described central insulation post and annular insulation wall certain interval is arranged, this gap is communicated with the hollow space of central insulation post, and form the cavity of first binding post, second terminals and the 3rd terminals can hold described top connection, in the cavity of described lower contact, be provided with a tab closure system.
Wherein, described tab closure system comprises slide block, guide rail, slide block back-moving spring, bayonet lock and bayonet lock back-moving spring, described slide block is arranged on the described guide rail and with described slide block back-moving spring and is connected, described slide block is under the effect of described slide block back-moving spring, be in the described cavity and with the annular insulation wall apical grafting of described cavity, below described slide block, be provided with the joint contact; Center in the upper surface of described central insulation post has through hole, one end of the described bayonet lock bayonet lock back-moving spring interior with being fixed on cavity is connected, the other end of bayonet lock is under the resilient force of bayonet lock back-moving spring, push up mutually with described through hole and to close, summit when described bayonet lock closes through hole on the top on the summit of its end and the described slide block is apical grafting mutually, can stop slide block to move on certain orientation.
As a kind of improvement of the present utility model, the gap location of described joint contact in the cavity of described lower contact is provided with one or more, when described slide block is in original position, described slide block blocks above described joint contact, when described slide block was removed original position, described joint contact was exposed in the cavity.
As another kind of improvement the of the present utility model, first binding post of described top connection is the binding post of non-ground connection.Offer rhone on the described annular insulation wall.On described insulating base, have leaking hole.
In addition, the utility model also provides a kind of electric kettle, is provided with above-mentioned electric coupling in this electric kettle.
Owing to adopt above-mentioned technical scheme, the utlity model has following beneficial effect:
1, owing in the lower contact cavity of electric coupling, be provided with tab closure system, make the joint contact in energising but when not being coupled work with extraneous complete closed, improved the security reliability of product.
2, owing to have rhone and leaking hole on the insulating base of lower contact, when flowing to lower contact, liquid directly flows out, can the contact electrification terminal, improved fail safe used in everyday.
Description of drawings
Fig. 1 is the top connection stereogram of the utility model electric coupling;
Fig. 2 is the lower contact stereogram of the utility model electric coupling;
Fig. 3 is the stereogram after the upper and lower joint of the utility model electric coupling is coupled;
Fig. 4 is the preceding cutaway view of upper and lower joint coupling of the utility model electric coupling;
Fig. 5 is the cutaway view after the upper and lower joint of the utility model electric coupling is coupled.
Embodiment
Below in conjunction with accompanying drawing embodiment is illustrated.
As shown in Figure 1, stereogram for the top connection 1 of the utility model electric coupling, top connection 1 is a concentric circle assembly, this concentric circle assembly comprises outer shroud insulated ring 10 and interior ring insulated ring 11, be arranged at first binding post 12 at center, and second terminals 13 and the 3rd terminals 14 that encircle insulated ring 11 both sides in being arranged at, and by the certain electrical safety distance of interior ring insulated ring 11 insulation gaps; The first binding post lead-out tablet 121, the second terminals lead-out tablet 131, the 3rd terminals lead-out tablet 141 and the screw of fixing three utmost points.Ring insulated ring 11 tops in first binding post, 12 tops are higher than.First binding post 12 of top connection 1 can be the binding post of non-ground connection.
As shown in Figure 2, stereogram for the lower contact 2 of the utility model electric coupling, lower contact 2 comprises an insulating base 21, on insulating base 21, be provided with the insulator assembly that engages with the concentric circle assembly of top connection 1, the insulator assembly comprises the central insulation post 22 and an annular insulation wall 23 of a hollow, 23 of central insulation post 22 and annular insulation walls have certain interval, this gap is communicated with the hollow space of central insulation post 23, and formation can be held first binding post 12 of described top connection 1, the cavity of second terminals 13 and the 3rd terminals 14 is provided with a tab closure system in the cavity of lower contact 2.
Wherein, tab closure system comprises slide block 24, guide rail 25, slide block back-moving spring 26, bayonet lock 27 and bayonet lock back-moving spring 28, the upper surface of slide block 24 is the inclined-plane, slide block 24 is arranged on the guide rail 25, can laterally slide along guide rail 25, slide block 24 is connected with slide block back-moving spring 26, and slide block 24 is under the effect of slide block back-moving spring 26, annular insulation wall 23 apical graftings with aforementioned cavity are provided with joint contact 32 below slide block 24; Center in the upper surface of central insulation post 22 has through hole 29, and an end of bayonet lock 27 is connected with bayonet lock back-moving spring 28 in being fixed on cavity, and the other end of bayonet lock 27 pushes up mutually with through hole 29 and to close under the resilient force of bayonet lock back-moving spring 28.When bayonet lock 27 when being in the position of closing on the top, the stuck point 241 on the stuck point 271 of its end and the slide block 24 apical grafting mutually pins slide block 24, limits its slip, has realized the auto-lock function of electric coupling.In when coupling, bayonet lock 27 is backed down by first binding post 12, and the stuck point 271 of its end separates with stuck point 241 on the slide block 24, and slide block 24 can free laterally slide along guide rail 25.
As shown in Figure 3, be the structural representation after the upper and lower joint coupling of the utility model electric coupling.Each terminals (post) of top connection 1 are connected with lower contact 2 corresponding joint contacts, are electrically connected purpose thereby reach, and are spaced from each other, and satisfy certain electrical safety distance; Second, third joint contact of lower contact 2 is in the internal and external circumference side of top connection 1 corresponding terminals (post) circumference, and contact area is big, and it is safer, more reliable to be electrically connected performance.First joint, 30 contacts of lower contact 2 reach maximum contact-making surface and connect on first binding post, 12 tops of the top connection 1 of correspondence.
As shown in Figure 4, be the cutaway view before the upper and lower joint coupling of the utility model electric coupling, the annular insulation wall 23 of the outer shroud insulated ring 10 of top connection 1 and interior ring insulated ring 11 and lower contact 2 is fit mutually, and first terminals 12 of top connection 1 and the upper surface through hole 29 of lower contact 2 be fit mutually; First binding post 12 of top connection 1 is connected with the upper surface of lower contact 2 first joints 30, keeps certain elastic pressure each other, and can relatively rotate.The interior slide block 24 that is installed in the cavity of lower contact 1 is fixed under the active force of slide block back-moving spring 26, bayonet lock 27 is fixing under the effect of bayonet lock back-moving spring 28, the stuck point 271 of bayonet lock 27 withstands the stuck point 241 that is located at slide block 24, thereby moving of restriction slide block 24, first joint 30 and the second joint contact 32 that are installed in the insulator assembly cavity are in closed state.
As shown in Figure 5, be the cutaway view of the upper and lower joint coupling of the utility model electric coupling after finishing, bayonet lock 27 is backed down, slide block 24 is also backed down, thereby each terminals of top connection 1 are connected with each corresponding joints contact of 2 li of lower contacts, slide block 24 is backed down rear slider back-moving spring 26 pressurizeds and is held power, be in tensioned state, thereby after leaving, top connection 1 can return to the state before the coupling, bayonet lock 27 is backed down back bayonet lock back-moving spring 28 pressurizeds and is held power, be in tensioned state, thereby after top connection 1 is left, can return to the state before the coupling.Two joint contacts 31,32 of lower contact 2 are owing to the side loaded strain produces certain pressure, thereby satisfy the requirement of electric contact pressure, simultaneously again because second terminals 13 and the 3rd terminals 14 of the joint contact 31,32 of lower contact 2 and top connection 1 are contact at circumferencial direction, rotate so can realize that 360 of upper and lower joint is spent.
Concrete dynamic duty process is as follows: when top connection 1 enters lower contact 2, at first go up the outside elder generation fit of the insulator assembly of the inboard of circular rings of outside of outer shroud insulated ring 10 and lower contact 2, what can guarantee to be coupled carries out smoothly, center first binding post 12 of top connection 1 simultaneously inserts from the through hole 29 on central insulation post 22 upper surfaces of lower contact 2, back down bayonet lock 27, because center first binding post 12 of top connection 1 encircles insulated ring 11 in short transverse is higher than, so the bayonet lock 27 of lower contact 2 is backed down earlier, after bayonet lock 27 is backed down, under the effect of the interior ring insulated ring 11 of top connection, slide block 24 can move to center position, bayonet lock 27 is backed down back bayonet lock back-moving spring 28 pressurizeds and is held power, is in tensioned state.Then, the slide block 24 of the interior ring insulated ring 11 top lower contacts 2 of top connection 1, slide block 24 is because the power that the inclined-plane will vertically insert changes into the power of slide block 24 to center position that makes, slide block 24 slides to center position on guide rail 25 and insulating base 21, slide block 24 is backed down rear slider back-moving spring 28 pressurizeds and is held power, is in tensioned state.Each terminals of top connection subsequently 1 contact with each corresponding contact of lower contact 2 successively, finishing the coupling action.Each contact point of upper and lower joint separates successively when coupler separates, because the effect of slide block back-moving spring 26, slide block 24 slides laterally along prolonging guide rail 25, bayonet lock 27 is also replied under the effect of bayonet lock back-moving spring 28 synchronously simultaneously, and owing to the difference in height reason of mentioning before this, slide block 24 is returned to initial position earlier, then bayonet lock 27 also returns to initial position, withstand stuck point 241 on the slide block by stuck point 271, thereby finished the self-locking of electric coupling, and then finish whole duty cycle.
It should be noted that at last: above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model 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 utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the claim scope of the present utility model.
Claims (7)
1, a kind of electric coupling, comprise top connection and lower contact, it is characterized in that: described top connection is a concentric circle assembly, described concentric circle assembly comprises outer shroud insulated ring and interior ring insulated ring, be arranged at first binding post at center, and second terminals and the 3rd terminals that encircle the insulated ring both sides in being arranged at; Described lower contact comprises an insulating base, on described insulating base, be provided with the insulator assembly that engages with the concentric circle assembly of described top connection, described insulator assembly comprises the central insulation post and an annular insulation wall of a hollow, between described central insulation post and annular insulation wall certain interval is arranged, this gap is communicated with the hollow space of central insulation post, and form the cavity that can hold described top connection first binding post, second terminals and the 3rd terminals, in the cavity of described lower contact, be provided with a tab closure system.
2, electric coupling according to claim 1, it is characterized in that: described tab closure system comprises slide block, guide rail, slide block back-moving spring, bayonet lock and bayonet lock back-moving spring, described slide block is arranged on the described guide rail and with described slide block back-moving spring and is connected, described slide block is under the effect of described slide block back-moving spring, be in the described cavity and with the annular insulation wall apical grafting of described cavity, below described slide block, be provided with the joint contact; Center in the upper surface of described central insulation post has through hole, one end of the described bayonet lock bayonet lock back-moving spring interior with being fixed on cavity is connected, the other end of bayonet lock is under the resilient force of bayonet lock back-moving spring, push up mutually with described through hole and to close, described bayonet lock is when being in the position of closing on the top, and the summit on the summit of its end and the described slide block is apical grafting mutually.
3, electric coupling according to claim 2, it is characterized in that: the gap location of described joint contact in the cavity of described lower contact is provided with one or more, when described slide block is in original position, described slide block blocks above described joint contact, when described slide block was removed original position, described joint contact was exposed in the cavity.
4, electric coupling according to claim 2 is characterized in that: first binding post of described top connection is the binding post of non-ground connection.
5, electric coupling according to claim 1 is characterized in that: offer rhone on the described annular insulation wall.
6, according to claim 1 or 2 or 5 described electric couplings, it is characterized in that: on described insulating base, have leaking hole.
7, 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 200620120363 CN2930025Y (en) | 2006-06-20 | 2006-06-20 | Electric coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620120363 CN2930025Y (en) | 2006-06-20 | 2006-06-20 | Electric coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2930025Y true CN2930025Y (en) | 2007-08-01 |
Family
ID=38308397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620120363 Expired - Lifetime CN2930025Y (en) | 2006-06-20 | 2006-06-20 | Electric coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2930025Y (en) |
-
2006
- 2006-06-20 CN CN 200620120363 patent/CN2930025Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070801 |
|
| EXPY | Termination of patent right or utility model |