CN113937574B - Plug-in type connector and liquid heater - Google Patents
Plug-in type connector and liquid heater Download PDFInfo
- Publication number
- CN113937574B CN113937574B CN202010615118.0A CN202010615118A CN113937574B CN 113937574 B CN113937574 B CN 113937574B CN 202010615118 A CN202010615118 A CN 202010615118A CN 113937574 B CN113937574 B CN 113937574B
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- plug
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- slot
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- ground wire
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- 230000013011 mating Effects 0.000 claims description 24
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- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 4
- 235000011613 Pinus brutia Nutrition 0.000 claims description 4
- 241000018646 Pinus brutia Species 0.000 claims description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/6205—Two-part coupling devices held in engagement by a magnet
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/652—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding with earth pin, blade or socket
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a plug-in type connector and a liquid heater, which comprise a plug and a socket with a slot, wherein the socket is in plug-in fit with the plug through the slot, an anti-drop structure for preventing the plug from loosening in plug-in connection with the slot is arranged between the socket and the plug, the plug is provided with a plurality of plug-in orientations relative to the slot, one of the plug and the socket is provided with a first ground wire piece, the other one of the plug and the socket is provided with a second ground wire piece, the first ground wire piece and the second ground wire piece can be in electrical contact when the plug is in different plug-in orientations, and the plug is non-rotatable relative to the socket after the plug is inserted into the slot. According to the anti-drop structure between the plug and the socket, the plug and the slot can be prevented from being loose in plug-in fit, the first ground wire piece and the second ground wire piece can be in electric contact when the plug is in different plug-in directions, a user does not need to recognize the plug-in directions, and electric contact between the plug and the socket can be achieved, and the operation is simple.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a plug-in type connector and a liquid heater with the plug-in type connector.
Background
The coupling connector comprises a plug and a socket with a slot, wherein the socket is in plug-in fit with the plug through the slot, so that a zero line contact piece, a fire wire contact piece and a ground wire piece on the plug are respectively in electric contact with the zero line contact piece, the fire wire contact piece and the ground wire piece on the socket. To prevent the release between the plug and the socket, the coupling connectors on the market mainly prevent the separation of the plug and the socket by friction between the outer wall of the plug and the inner wall of the slot, but are particularly laborious in the plug-and-socket operation. Particularly, for the coupling connector on the liquid heater, after the liquid heater is heated, a large inertia force is generated when the plug is pulled out, so that water in the liquid heater is easy to shake and scald a user. Meanwhile, the existing coupling connector has a plurality of plugging orientations, such as a socket device with easy plugging and unplugging as disclosed in patent CN201920691243.2, wherein only part of the plugging orientations can make the ground wire piece on the plug contact with the ground wire piece on the socket, and the user needs to identify the plugging orientations to ensure plugging in place.
Disclosure of Invention
The invention aims to provide a plug-in type connector, an anti-drop structure is arranged between a plug and a socket to prevent the plug and the socket from being loose in plug-in fit, meanwhile, the first ground wire piece and the second ground wire piece can be in electrical contact when the plug is in different plug-in orientations, a user does not need to recognize the plug-in orientations, the electrical contact between the plug and the socket can be realized, and the user operation is simpler.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a plug-in type connector, includes the plug and has the socket of slot, and the socket passes through slot and plug grafting cooperation, after the plug is inserted in the slot, the plug is rotatable relatively the socket, have the anticreep structure that prevents plug and slot grafting pine between socket and the plug, the plug has a plurality of grafting orientations for the slot, and one of plug and socket is equipped with first ground wire piece, another is equipped with the second ground wire piece, and first ground wire piece and second ground wire piece homoenergetic electrical contact when the plug is in different grafting orientations.
Further, one of the plug and the socket is provided with a live wire contact pin and a neutral wire contact pin, and the live wire contact pin and the neutral wire contact pin are arranged along the plugging direction.
Further, the other one of the plug and the socket is provided with a neutral wire mating contact pin and a live wire mating contact pin, the neutral wire mating contact pin and the live wire mating contact pin are both arranged along the plugging direction, and the neutral wire mating contact pin and the live wire mating contact pin are respectively in electrical contact with the neutral wire contact pin and the live wire contact pin.
Further, the first ground wire piece has a plurality of contact pieces, the plug has a plurality of outside faces of different orientations, and a plurality of contact pieces correspond respectively to the outside faces of different orientations on the plug, and the second ground wire piece has at least one conducting piece, and at least one contact piece is in electrical contact with the conducting piece when the plug is in different plug-in orientations.
Further, the first ground wire piece is arranged on the plug, each contact piece is respectively arranged on the outer side surfaces of the plug in different directions, the second ground wire piece is arranged on the socket, and the conducting piece extends into the slot to be in electrical contact with the contact piece;
or the second ground wire piece is arranged on the plug, the conducting piece is arranged on the outer side surface of the plug, the first ground wire piece is arranged on the socket, and each contact piece extends into the slot to be in electrical contact with the conducting piece;
or, the second ground wire sheet is provided with only one conducting sheet, the first ground wire sheet is provided with only two contact sheets, the conducting sheets are arranged on the inner side wall of the slot, the two contact sheets are arranged on the outer side wall of the plug, and the directions of the two contact sheets are respectively the same as the directions of two different plugging directions of the plug;
or the plug is provided with at least two plugging directions relative to the slot, the first ground wire piece is of a U-shaped structure, the opening direction of the first ground wire piece is the same as or opposite to the plugging direction of the plug, the first ground wire piece is provided with two contact pieces and is respectively positioned at two ends of the U-shaped structure, and the two contact pieces respectively correspond to two outer side surfaces of the plug, which are arranged back to back.
Further, the first ground wire piece is arranged on the plug, the first ground wire piece is provided with a contact ring sleeved on the outer side of the plug, the second ground wire piece is arranged on the socket, the second ground wire piece is provided with a conducting piece extending into the slot, and the contact ring is electrically contacted with the conducting piece when the plug is in plug-in fit with the slot; or the first ground wire piece is arranged in the socket, the first ground wire piece is provided with a contact ring which stretches into the slot, the second ground wire piece is provided with a conducting piece which is arranged on the outer side surface of the plug, and the contact ring and the conducting piece are in electric contact when the plug is in plug-in fit with the slot; or the cross section of the slot and the cross section of the plug matched with the slot are axisymmetric cross sections; or the plug orientation of the plug relative to the slot is limited.
Further, the anti-falling structure comprises a first magnetic part and a matching part which are magnetically attracted and matched, one of the first magnetic part and the matching part is arranged on the socket, the other one of the first magnetic part and the matching part is arranged on the plug, and the anti-falling structure prevents the plug from being loose from the socket by the magnetic attraction between the first magnetic part and the matching part.
Further, the first magnetic member and the mating member are both magnets, and the magnets are located between the live wire contact pin and the neutral wire contact pin.
Further, the anti-falling structure comprises a first buckling position and a second buckling position which are detachably matched, one of the first buckling position and the second buckling position is arranged on the socket, the other one of the first buckling position and the second buckling position is arranged on the plug, and the anti-falling structure can prevent the plug from being loose from the socket through buckling force between the first buckling position and the second buckling position.
The invention also provides a liquid heater, which comprises a kettle body, and further comprises the plug-in connector according to any scheme, wherein the socket is fixed on the kettle body, and the plug is electrically connected with the power line.
After the technical scheme is adopted, the invention has the following advantages:
1. firstly, the socket is matched with the plug in a plugging manner through the slot, so that the matching area between the plug and the socket is increased, the zero line, the fire wire and the ground wire are contacted between the plug and the socket, the movement of the plug relative to the socket in the cross section direction of the plug is limited, and the reliable matching of the plug and the socket is ensured. Secondly, have the anticreep structure between plug and the socket, prevent grafting cooperation pine between plug and the slot and take off, reduced the wearing and tearing between plug and the slot, also reduced the degree of difficulty of user's plug. Finally, the plug is provided with a plurality of plugging directions relative to the slot, when the plug is plugged by a user, the plugging direction with the smallest adjustment amplitude of the current plug relative to the slot can be selected to be matched with the socket in a plugging manner, so that the user operation is more labor-saving, and the revolving amplitude of a power line connected with the plug is reduced; meanwhile, the first ground wire piece and the second ground wire piece can be electrically contacted when the plug is in different plugging orientations, so that when the plug and the socket are plugged in place in the plugging directions, the first ground wire piece and the second ground wire piece can be electrically contacted, namely, a user does not need to recognize the plugging orientations, the electrical contact of the plug and the socket can be realized, and the operation of the user is simpler.
2. The live wire contact pin and the null wire contact pin are arranged along the plugging direction. The occupied space of the live wire contact pin and the zero wire contact pin on the cross section of the plug is reduced, the installation of the live wire contact pin and the zero wire contact pin is facilitated, the resistance of the plug and the socket in the plug is reduced, and the user operation is more labor-saving.
3. The zero line contact pin and the live wire contact pin are respectively in electrical contact with the zero line contact pin and the live wire contact pin, so that the electrical contact area is small, the user can conveniently plug, the strength of the contact pin and the contact pin in the axial direction of the contact pin is high, the contact pin and the contact pin are abutted in the plugging direction, the bending of the contact pin and the contact pin is reduced, and the electrical contact is ensured to be in place; meanwhile, the electric contact positions of the contact pins and the corresponding matched contact pins are unchanged, electric contact can be realized in various different plugging orientations, and the design and processing difficulties of the plug and the socket are reduced.
4. The plug has a plurality of lateral surfaces of different orientations, and convenience of customers discerns that plug and socket have a plurality of grafting orientation, and when the plug was in different grafting orientation, the conducting strip corresponds with the lateral surface of the orientation on the plug at least, because a plurality of contact pieces correspond with the lateral surface of the different orientations on the plug respectively to the conducting strip corresponds the contact with a contact piece at least, guarantees that first ground wire piece and second ground wire piece are in different grafting orientation homoenergetic electrical contact.
5. Each contact piece is located on the outside face of plug in different orientations respectively, and the second ground wire piece is located on the socket, and the conducting plate stretches into in the slot and contacts with the contact piece electricity. Therefore, each contact piece on the first ground wire piece can be exposed on the outer side faces of the plug in different directions, the exposed contact piece is convenient for a user to adjust the plugging direction of the plug by taking the exposed contact piece as a reference, and the plugging adjustment of the user is more convenient.
When the first ground wire piece is arranged on the socket, the second ground wire piece is arranged on the plug, and each contact piece extends into the slot to be electrically contacted with the conducting piece on the plug, so that each contact piece is hidden in the socket, and the integrity of the socket is good.
The conducting strip is arranged on the inner side wall of the slot, the contact strip and the conducting strip fully utilize the fit clearance between the plug and the slot to contact, the space utilization rate is high, meanwhile, the contact strip on the plug and the conducting strip on the socket are contacted on the cross section of the plug, the matched tightness of the plug and the slot is increased, and the plug and the socket are prevented from being loose.
The first ground wire piece of U-shaped structure is as an organic whole with two contact pieces connection to first ground wire piece can be as a whole with ground wire terminal connection, not only reduces the quantity of ground wire terminal, saves space, and first ground wire piece holistic intensity is bigger moreover.
Drawings
The invention is further described below with reference to the accompanying drawings:
fig. 1 is a structural diagram of a plug connector according to a first embodiment;
FIG. 2 is an exploded view of FIG. 1;
fig. 3 is a cross-sectional view (one) of the plug connector according to the first embodiment;
fig. 4 is a cross-sectional view (second) of the plug connector according to the first embodiment;
fig. 5 is a structural view of a plug in the first embodiment;
fig. 6 is a structural diagram of a socket in the first embodiment;
fig. 7 is a cross-sectional view of the plug connector according to the first embodiment (the anti-disengaging structure is a magnetic attraction type anti-disengaging structure).
Detailed Description
In the invention, the plugging orientation refers to taking a plane in the outer side surface of the plug as a reference surface (if the outer side surface of the plug is a curved surface as a whole, taking a tangent plane of the curved surface as the reference surface), and when the plug is matched with the slot, the orientation of the reference surface relative to the socket is a plugging orientation.
In the invention, the plugging direction refers to the moving direction of the plug relative to the slot when the plug is plugged and matched with the slot, and the general plugging direction is opposite to the opening direction of the slot opening.
Example 1
As shown in fig. 1 to 7, the present embodiment provides a plug-in connector, which includes a plug 1 and a socket 2 having a slot 21, the socket 2 is in plug-in fit with the plug 1 through the slot 21, after the plug is inserted into the slot, the plug is not rotatable relative to the socket, an anti-release structure for preventing the plug 1 from loosening in plug-in connection with the slot 21 is provided between the socket 2 and the plug 1, the plug 1 has a plurality of plug-in orientations relative to the slot 21, one of the plug 1 and the socket 2 is provided with a first ground wire piece 11, the other is provided with a second ground wire piece 12, and the first ground wire piece 11 and the second ground wire piece 12 can be electrically contacted when the plug 1 is in different plug-in orientations.
Firstly, socket 2 is in plug-in fit with plug 1 through slot 21, so that the fit area between plug 1 and socket 2 is increased, zero line, fire wire and ground wire contact between the two is facilitated, movement of plug 1 relative to socket 2 in the cross section direction of plug 1 is also limited, and reliable fit of plug 1 and socket 2 is ensured. Secondly, have the anticreep structure between plug 1 and the socket 2, prevent to peg graft the cooperation pine between plug 1 and the slot 21 and take off, reduced the wearing and tearing between plug 1 and the slot 21, also reduced the degree of difficulty of user's plug. Finally, the plug 1 has a plurality of plugging orientations relative to the slot 21, when a user plugs, the plugging orientation with the smallest adjustment amplitude of the current plug 1 relative to the slot 21 can be selected to be plugged and matched with the socket 2, so that the user operation is more labor-saving, and the revolving amplitude of a power line connected with the plug 1 is reduced; meanwhile, the first ground wire piece 11 and the second ground wire piece 12 can be electrically contacted when the plug 1 is in different plugging orientations, after the plug is inserted into the slot, under the condition that the plug is not rotatable relative to the socket, when the plug 1 and the socket 2 are plugged in place in the plugging orientation, the first ground wire piece 11 and the second ground wire piece 12 can be ensured to be electrically contacted, namely, a user can realize the electrical contact of the plug 1 and the socket 2 without identifying the plugging orientations, and the operation of the user is simpler.
In this embodiment, one of the plug 1 and the socket 2 is provided with a live contact pin 1a and a neutral contact pin 1b, and the live contact pin 1a and the neutral contact pin 1b are both disposed along the plugging direction. The occupied space of the live wire contact pin 1a and the neutral wire contact pin 1b on the cross section of the plug 1 is reduced, the installation of the live wire contact pin 1a and the neutral wire contact pin 1b is facilitated, the resistance of the plug 1 and the socket 2 in insertion and extraction is reduced, and the operation of a user is more labor-saving.
Likewise, the other of the plug 1 and the receptacle 2 is provided with a neutral mating contact pin 2b and a live mating contact pin 2a, both the neutral mating contact pin 2b and the live mating contact pin 2a being arranged in the plugging direction, the neutral mating contact pin 2b and the live mating contact pin 2a being in electrical contact with the neutral contact pin 1b and the live contact pin 1a, respectively. In the embodiment, the end parts of the neutral contact pin 1b and the live contact pin 1a are respectively in electrical contact with the end parts of the neutral contact pin 2b and the live contact pin 2a along the plugging direction, so that the electrical contact area is small, the plugging of a user is convenient, the strength of the contact pins and the matched contact pins in the axial direction of the contact pins is high, the contact pins and the matched contact pins are abutted along the plugging direction, the bending of the contact pins and the matched contact pins is reduced, and the electrical contact is ensured to be in place; meanwhile, the electric contact positions of the contact pins and the corresponding matched contact pins are unchanged when the contact pins are in different plugging orientations, namely, the contact pins are in different plugging orientations, so that electric contact can be realized, and the design and processing difficulties of the plug 1 and the socket 2 are reduced.
In this embodiment, in order to ensure that the first ground wire 11 and the second ground wire 12 are in electrical contact in different plugging orientations, the first ground wire 11 has a plurality of contact pieces 111, the plug 1 has a plurality of outer sides with different orientations, the plurality of contact pieces 111 respectively correspond to the outer sides with different orientations on the plug 1, and the second ground wire 12 has at least one conductive piece 121, and at least one contact piece 111 is in electrical contact with the conductive piece 121 when the plug 1 is in different plugging orientations. The plug 1 has a plurality of outside faces of different orientations, and is convenient for the user to identify that the plug 1 and the socket 2 have a plurality of plug orientations, when the plug 1 is in different plug orientations, at least one contact piece 111 and the conducting piece 121 are both corresponding to the outside face of the same orientation on the plug 1, so that the conducting piece 121 is correspondingly contacted with at least one contact piece 111, and the first ground wire piece 11 and the second ground wire piece 12 are ensured to be electrically contacted.
In this embodiment, the plug 1 has at least two plugging orientations with respect to the slot 21, the first ground wire 11 is disposed on the plug 1, each contact piece 111 is respectively disposed on an outer side surface of the plug 1 with different orientations, the second ground wire 12 is disposed on the socket 2, and the conductive piece 121 extends into the slot 21 to electrically contact with the contact piece 111. Therefore, each contact piece 111 on the first ground wire piece 11 can be exposed on the outer side faces of the plug 1 in different directions, so that the user can conveniently adjust the plugging direction of the plug 1 by taking the exposed contact piece 111 as a reference, and the plugging adjustment of the user is more convenient.
Specifically, the second ground wire piece 12 has only one conducting piece 121, the conducting piece 121 is disposed on the inner side wall of the slot 21, that is, the conducting piece 121 is exposed from the inner side wall of the slot 21, the first ground wire piece 11 has only two contact pieces 111, the two contact pieces 111 are respectively disposed on the outer side walls of the plug 1 with different orientations, that is, the two contact pieces 111 are respectively exposed from the corresponding outer side walls of the plug 1, so that the contact pieces 111 and the conducting piece 121 make full use of the fit gap between the plug 1 and the slot 21 to make contact, the space utilization is high, meanwhile, the contact pieces 111 and the conducting piece 121 are contacted between the plug 1 and the slot 21, the fit tightness of the plug 1 and the slot 21 is increased, and the plug 1 and the socket 2 are prevented from plugging loose.
In this embodiment, the first ground wire piece 11 is in a U-shaped structure, the opening direction of the first ground wire piece 11 is the same as or opposite to the plugging direction of the plug 1, and two contact pieces 111 of the first ground wire piece 11 are respectively located at two ends of the U-shaped structure, and the two contact pieces 111 respectively correspond to two outer sides of the plug 1, which are disposed back to back. The first ground tab 11 of the U-shaped structure connects the two contact tabs 111 as a unit so that the first ground tab 11 can be connected with the ground terminals as a unit, not only reducing the number of ground terminals and saving space, but also the strength of the whole first ground tab 11 is greater.
It will be appreciated that the second ground tab 12 may also be disposed on the plug 1, the conductive tab 121 is disposed on an outer side surface of the plug 1, the first ground tab 11 is disposed on the socket 2, and each contact tab 111 extends into the slot 21 to electrically contact with the conductive tab 121, so that each contact tab 111 is hidden in the socket 2, and the integrity of the socket 2 is good. Specifically, the conductive tab 121 is exposed from the outer surface of the plug, and the contact tab 111 extends into the slot 21 through the slot sidewall of the slot, so that the contact tab 111 is in electrical contact with the conductive tab 121 exposed on the plug 1.
In this embodiment, in order to simplify the plugging operation of the plug 1, the cross section of the slot 21 and the cross section of the plug 1 mated with the slot 21 are both axisymmetric cross sections. The plug 1 and the slot 21 are more attractive, the cross section of the plug 1 is of a flat runway structure in the embodiment, and accordingly the whole plug 1 only has upward and downward inserting directions, and a user does not need to recognize that the front and back sides of the plug 1 can be matched with the slot 21 in an inserting mode, and inserting operation is more convenient. It should be understood that the plugging direction of the plug 1 with respect to the slot 21 may be three, four, five, or a limited number of times, which will not be described herein.
The anti-disengaging structure in this embodiment includes a first magnetic member 31 and a mating member 32 that are magnetically engaged, one of the first magnetic member 31 and the mating member 32 is disposed on the socket 2, and the other is disposed on the plug 1, and the anti-disengaging structure prevents the plug 1 from being disengaged from the socket 21 by the magnetic attraction between the first magnetic member 31 and the mating member 32. The smaller the distance between the first magnetic piece 31 and the matching piece 32 is, the larger the magnetic force between the first magnetic piece 31 and the matching piece 32 is, so that the plug 1 is guided to be inserted inwards by the magnetic attraction force in the plug 1 in the plugging process, the plug 1 is ensured to be plugged in place, and the contact of the live wire contact pin 1a and the neutral wire contact pin 1b with the live wire matching contact pin 2a and the neutral wire matching contact pin 2b is promoted; meanwhile, when the plug 1 and the slot 21 are plugged into the bottom, the magnetic attraction force of the plug 1 and the slot 21 is maximum, so that the plug 1 and the slot 21 can be effectively prevented from loosening, the difficulty of plugging and unplugging of a user is reduced, and the operation is more labor-saving; in addition, when the plug 1 is subjected to abnormal external force to be loosened slightly, the plug 1 can also move inwards under the action of magnetic attraction to be plugged into the position again, and the plugging reliability is higher.
In this embodiment, the first magnetic member 31 and the mating member 32 may be magnets, where the magnets are located between the live contact pin 1a and the neutral contact pin 1b, so that not only is the idle space between the live contact pin 1a and the neutral contact pin 1b set separately fully utilized, but also the forces of the live contact pin 1a and the neutral contact pin 1b located on both sides of the magnets and the corresponding mating contact pins are not greatly different, and both the neutral contact pin 1b and the live contact pin 1a are promoted to be able to contact with the corresponding mating contact pins. It is understood that the first magnetic member 31 may be other electromagnetic materials besides a magnet, and similarly, the mating member 32 may be a metal member magnetically mated with the first magnetic member 31 besides a magnet.
Example two
Of course, instead of providing a plurality of separate contact pieces 111 for contact with the conductive piece 121, the first ground piece 11 may have a contact ring that is sleeved outside the plug 1, and the second ground piece 12 may have a conductive piece 121 that extends into the slot 21, where the contact ring and the conductive piece 121 are in electrical contact when the plug 1 is mated with the slot 21. Because the contact ring is a continuous closed ring, the conducting piece 121 can be guaranteed to be in contact with the contact ring no matter what kind of plugging orientation is adopted by the plug 1, the plugging operation of a user is more convenient, meanwhile, the contact ring is sleeved on the outer side of the plug 1, the installation is more convenient, and the overall strength after the plug 1 and the contact ring are matched is high and attractive.
It will be appreciated that the first ground tab 11 may also be provided on the socket 2, with the contact ring on the first ground tab 11 encircling the circumference of the slot 21 and extending into the slot 21, and the conductive tab 121 on the second ground tab 12 provided on the outer side of the plug 1 so as to be exposed from the plug 1, the contact ring being in electrical contact with the conductive tab 121 when the plug 1 is mated with the slot 21.
Other matters not described in this embodiment can refer to embodiment one.
Example III
Besides the magnetic force anti-disengaging structure in the first embodiment, the plug 1 and the socket 2 may further include a first buckling position and a second buckling position which are detachably matched, one of the first buckling position and the second buckling position is arranged on the socket 2, the other is arranged on the plug 1, and the anti-disengaging structure prevents the plug 1 from being plugged and disengaged with the slot 21 through buckling force between the first buckling position and the second buckling position. The first buckling position and the second buckling position have large buckling force, good anti-loosening effect, good hand feeling of plugging buckling and convenience for a user to perceive whether the current plug 1 is plugged in place.
Other matters not described in this embodiment can refer to embodiment one.
Example IV
The embodiment provides a liquid heater, which comprises a kettle body, and further comprises the plug-in connector according to any one of the embodiments, wherein the socket 2 is fixed on the kettle body, and the plug 1 is electrically connected with a power line.
Specifically, the kettle body comprises a kettle body and a bottom cover, the bottom cover is provided with an installing hole with an outward opening, the socket 2 is installed on the installing hole, and the plug 1 is in plug-in fit with the slot 21 along the radial direction of the kettle body from outside to inside.
Of course, the plug-in connector can be applied to other household appliances such as an electric cooker, an oven, a bread machine and the like besides the liquid heater.
Other matters not described in this embodiment can refer to embodiment one.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.
Claims (7)
1. The utility model provides a plug-in connector, includes the plug and has the socket of slot, and the socket passes through slot and plug grafting cooperation, its characterized in that, one of plug and socket is equipped with live wire contact pin and zero line contact pin, and live wire contact pin and zero line contact pin all set up along the grafting direction, the plug is equipped with zero line cooperation contact pin and live wire cooperation contact pin, zero line cooperation contact pin and live wire cooperation contact pin all set up along the grafting direction on the socket, and zero line cooperation contact pin and live wire cooperation contact pin respectively with zero line contact pin and live wire contact pin electrical contact, after the plug inserts in the slot, the plug is rotatable relative to the socket, have the anticreep structure that prevents plug and slot grafting pine between socket and the plug, the plug has a plurality of grafting orientation for the slot, and the plug is equipped with first ground wire piece, is equipped with the second ground wire piece on the socket, and first ground wire piece and second ground wire piece homoenergetic electrical contact when the plug is in different grafting orientation, first ground wire piece has a plurality of contact pieces, a plurality of contact pieces correspond respectively on the plug outside face of different orientation, and second ground wire piece has at least one and is in the electrical connection piece when the plug is in different orientation.
2. The plug-in connector according to claim 1, wherein the second ground tab has only one conducting tab, the first ground tab has only two contact tabs, the conducting tab is provided on an inner sidewall of the slot, the two contact tabs are provided on an outer sidewall of the plug, and the two contact tabs are respectively oriented in the same direction as two different plugging orientations of the plug;
or the plug is provided with at least two plugging directions relative to the slot, the first ground wire piece is of a U-shaped structure, the opening direction of the first ground wire piece is the same as the plugging direction of the plug, the first ground wire piece is provided with two contact pieces and is respectively positioned at two ends of the U-shaped structure, and the two contact pieces respectively correspond to two outer side surfaces of the plug, which are arranged back to back.
3. The plug-in connector of claim 1, wherein the first ground wire piece is arranged on the plug, the first ground wire piece is provided with a contact ring sleeved outside the plug, the second ground wire piece is arranged on the socket, the second ground wire piece is provided with a conducting piece extending into the slot, and the contact ring is electrically contacted with the conducting piece when the plug is in plug-in fit with the slot; or the cross section of the slot and the cross section of the plug matched with the slot are axisymmetric cross sections; or the plug orientation of the plug relative to the slot is limited.
4. A plug connector according to any one of claims 2 to 3, wherein the anti-release structure comprises a magnetically attractive first magnetic member and a mating member, one of the first magnetic member and the mating member being provided on the receptacle and the other on the plug, the anti-release structure preventing release of the plug from the socket by magnetic attraction between the first magnetic member and the mating member.
5. The plug connector of claim 4, wherein the first magnetic member and mating member are magnets positioned between the live contact pin and the neutral contact pin.
6. A plug-in connector according to any one of claims 1 to 3, wherein the anti-disengagement structure comprises a first buckling position and a second buckling position which are detachably matched, one of the first buckling position and the second buckling position is arranged on the socket, the other is arranged on the plug, and the anti-disengagement structure prevents the plug from being in loose connection with the slot through buckling force between the first buckling position and the second buckling position.
7. A liquid heater comprising a kettle body, and further comprising a plug connector as claimed in any one of claims 1 to 6, wherein the socket is secured to the kettle body and the plug is electrically connected to the power cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615118.0A CN113937574B (en) | 2020-06-30 | 2020-06-30 | Plug-in type connector and liquid heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010615118.0A CN113937574B (en) | 2020-06-30 | 2020-06-30 | Plug-in type connector and liquid heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113937574A CN113937574A (en) | 2022-01-14 |
| CN113937574B true CN113937574B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010615118.0A Active CN113937574B (en) | 2020-06-30 | 2020-06-30 | Plug-in type connector and liquid heater |
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| CN (1) | CN113937574B (en) |
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|---|---|---|---|---|
| US6247941B1 (en) * | 2000-04-04 | 2001-06-19 | Chiu-Shan Lee | Combination electric connector having multiple grounding prong receiving portions and a plug unit secured by means of a plurality of hooks and coupling flanges |
| CN203707395U (en) * | 2013-12-16 | 2014-07-09 | 昆山上正电子科技有限公司 | Power connector module |
| CN105932458A (en) * | 2016-06-01 | 2016-09-07 | 立讯精密工业（滁州）有限公司 | USB C-type plug connector |
| CN209045933U (en) * | 2019-01-07 | 2019-06-28 | 深圳市深鸿宇科技有限公司 | A kind of magnetic attraction type flexible contact electric connector |
| KR200489967Y1 (en) * | 2018-07-24 | 2019-09-02 | 만 석 김 | Earth contacts have ring type guide head of socket |
| CN210806114U (en) * | 2019-11-18 | 2020-06-19 | 浙江达威电子股份有限公司 | Magnetic plug |
-
2020
- 2020-06-30 CN CN202010615118.0A patent/CN113937574B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6247941B1 (en) * | 2000-04-04 | 2001-06-19 | Chiu-Shan Lee | Combination electric connector having multiple grounding prong receiving portions and a plug unit secured by means of a plurality of hooks and coupling flanges |
| CN203707395U (en) * | 2013-12-16 | 2014-07-09 | 昆山上正电子科技有限公司 | Power connector module |
| CN105932458A (en) * | 2016-06-01 | 2016-09-07 | 立讯精密工业（滁州）有限公司 | USB C-type plug connector |
| KR200489967Y1 (en) * | 2018-07-24 | 2019-09-02 | 만 석 김 | Earth contacts have ring type guide head of socket |
| CN209045933U (en) * | 2019-01-07 | 2019-06-28 | 深圳市深鸿宇科技有限公司 | A kind of magnetic attraction type flexible contact electric connector |
| CN210806114U (en) * | 2019-11-18 | 2020-06-19 | 浙江达威电子股份有限公司 | Magnetic plug |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113937574A (en) | 2022-01-14 |
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