CN214176358U - Coupler reliable in use - Google Patents

Coupler reliable in use Download PDF

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Publication number
CN214176358U
CN214176358U CN202021386374.9U CN202021386374U CN214176358U CN 214176358 U CN214176358 U CN 214176358U CN 202021386374 U CN202021386374 U CN 202021386374U CN 214176358 U CN214176358 U CN 214176358U
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CN
China
Prior art keywords
plug
socket
contact
support
piece
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.)
Active
Application number
CN202021386374.9U
Other languages
Chinese (zh)
Inventor
朱泽春
孙立刚
刘宪明
时忠忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Jiuchuang Home Appliance Co ltd
Original Assignee
Joyoung Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Joyoung Co Ltd filed Critical Joyoung Co Ltd
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Publication of CN214176358U publication Critical patent/CN214176358U/en
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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
    • H01R13/02—Contact members
    • H01R13/03—Contact members characterised by the material, e.g. plating, or coating materials
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • 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
    • 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

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  • Cookers (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The utility model discloses a coupler reliable in use has solved the plug and has adsorbed the low problem of installation reliability on the plug of piece, and the technical scheme who solves this problem mainly includes the plug and has the socket that the socket adsorbs the piece, and plug and socket adsorb through the plug and the socket adsorbs a magnetism is inhaled and is connected, the plug includes plug housing, and plug housing's one end is equipped with and is connected with socket grafting complex grafting support, the other end and power cord, still including the fixed bolster that is used for installing electric connector, the plug adsorbs the piece and is located between fixed bolster and the grafting support. The utility model discloses well fixed bolster adsorbs the plug along the grafting direction and compresses tightly on the grafting support, realizes that the plug adsorbs the reliable installation of piece on the plug fixed.

Description

Coupler reliable in use
Technical Field
The utility model relates to a household electrical appliances technical field, especially a coupler reliable in utilization.
Background
The coupler 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 the zero line, the live line and the ground line on the plug are in electrical contact with the zero line, the live line and the ground line on the socket respectively. In order to prevent the plug and the socket from loosening, the couplers on the market prevent the plug and the socket from being separated mainly through friction force between the outer wall of the plug and the inner wall of the slot, but the coupler is particularly labor-consuming in plug inserting and pulling operation. The prior art provides an anti-disengaging structure is inhaled to light magnetism of plug, be CN201920691243.2 like the patent number, set up two mutual magnetism promptly on plug and socket and inhale complex magnet, nevertheless plug itself size is little, can't set up complicated fixed knot and construct fixed magnet, generally with glue bonding for magnet inside the plug, magnet drops from the plug very easily, can't guarantee the magnetism effect of inhaling of plug and socket.
SUMMERY OF THE UTILITY MODEL
The utility model aims to reach the purpose provide a coupler that uses reliably, the fixed bolster adsorbs the plug along the grafting direction and compresses tightly on the grafting support, realizes that the plug adsorbs the reliable installation of piece on the plug fixed.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a coupler reliable in use, includes the plug and has the socket that the socket adsorbs the piece, and plug and socket adsorb the piece through the plug and inhale the piece magnetism with the socket and inhale and be connected, the plug includes plug housing, and plug housing's one end is equipped with and is connected with power cord with socket grafting complex grafting support, the other end, still including the fixed bolster that is used for installing electric connector, the plug adsorbs the piece to be located between fixed bolster and the grafting support.
Furthermore, the fixed support presses the plug adsorption piece on the plug-in support along the plug-in direction; or the plug adsorption piece is fixed in the mounting cavity of the plug support; or the fixed bracket is detachably connected with the inserting bracket; or the plug absorbing piece and the inserting support are integrally formed; or the fixed support and the plug support are connected to form a plug assembly, and the plug assembly is connected with the plug shell; or the fixed support and the inserting support are connected through interference fit or a buckle.
Furthermore, the fixed bolster is equipped with the contact pilotage that runs through the fixed bolster along the grafting direction, and the one end of contact pilotage stretches out the fixed bolster along the grafting direction and socket electrical contact, and the other end stretches out the fixed bolster along the direction of extracting and is connected with the inside terminal electricity of plug housing.
Furthermore, the contact pins are provided with two first contact pins and two second contact pins, the first contact pin is provided with a silver contact point at one end close to the socket adsorption piece, and the second contact pin protrudes out of the first contact pin in the plugging direction;
or, be equipped with the installation through-hole that supplies the contact pilotage to install on the fixed bolster, the one end of keeping away from socket absorption piece on the installation through-hole is equipped with the location step, is equipped with the location boss on the contact pilotage, and the location boss is contradicted in the step face of location step along the grafting direction.
Furthermore, the side of the fixed support facing the socket adsorption piece is provided with a silver contact, the plug is electrically contacted with the socket through the silver contact, and a terminal in the plug shell extends out of the fixed support along the plugging direction to be electrically connected with the silver contact.
Furthermore, the inserting support is provided with an installing groove, an electric contact piece is arranged in the installing groove, the opening direction of the installing groove is opposite to the inserting direction, the bottom wall of the installing groove is provided with a guide hole, the socket is provided with a contact pin, and the contact pin penetrates through the guide hole to extend into the installing groove to be in electric contact with the electric contact piece.
Furthermore, a plug ground wire sheet is arranged inside the plug, two communicating ports which are arranged back to back are formed in the peripheral side face of the inserting support, the plug ground wire sheet is provided with two contact sheets and is exposed out of the two communicating ports respectively, and at least one contact sheet is in electric contact with the socket ground wire sheet on the socket.
Furthermore, the plug ground wire piece is of a U-shaped structure, the plug ground wire piece is sleeved on the outer side of the fixing support along the plugging direction, and the two contact pieces are respectively arranged at two ends of the plug ground wire piece.
Further, be equipped with the mounting groove on the grafting support, the opening orientation of mounting groove is opposite with the grafting direction, and the plug adsorbs the piece and is located the mounting groove, and the fixed bolster stretches into in the mounting groove with the grafting leg joint.
Furthermore, the bottom wall of the mounting groove is provided with a limiting edge positioned on the outer side of the plug adsorption piece, the fixed support is provided with a limiting boss, and the limiting boss extends into the inner side of the limiting edge along the inserting direction to abut against the plug adsorption piece; or the fixing support is clamped with the mounting groove or in interference fit with the mounting groove.
After the technical scheme is adopted, the utility model has the advantages of as follows:
1. firstly, plug support and power cord are located plug housing at the ascending both ends of plug orientation respectively, have not only guaranteed the ascending length of plug in plug orientation, do benefit to plug support to stretch into enough length to the inside slot of socket to realize the reliable grafting cooperation and the electrical contact of socket and plug, whole plug housing can regard as the portion of gripping of user's grafting operation moreover, makes things convenient for user's application of force to peg graft and pulls out outward. Secondly, adsorb through the plug between plug and the socket and inhale the piece magnetism and inhale the connection with the socket, prevent to peg graft cooperation pine between plug and the socket and take off, reduced the wearing and tearing between the slot of plug and socket, also reduced the degree of difficulty of user's plug, simultaneously, magnetism is inhaled the power and is had the guidance quality, does benefit to the guide plug and pegs graft and target in place. Finally, the fixed support compresses the plug adsorbing piece on the inserting support along the inserting direction, so that the movement of the plug adsorbing piece in the inserting and pulling direction of the plug is limited, the plug adsorbing piece is prevented from shifting in the inserting and pulling process of the plug due to the action of magnetic attraction, and the plug adsorbing piece is reliably installed and fixed on the plug.
2. The one end of contact pilotage stretches out fixed bolster and socket electrical contact along the grafting direction, the other end stretches out the fixed bolster and is connected with the inside terminal electricity of plug housing along the direction of extracting, thereby the fixed bolster is not only the limit structure of plug absorption piece, and be the fixed knot of contact pilotage constructs, a fixed bolster has multiple use, do benefit to and simplify the plug inner structure, and simultaneously, the fixed bolster is all stretched out at the both ends of contact pilotage, thereby the fixed position of fixed bolster is located between the both ends of contact pilotage, not only fixed reliability and stability are better, and the inside space in the grafting side of make full use of plug, do benefit to the size that reduces the plug cross section.
3. First contact pin sets up silver contact, can prevent that first contact pin from striking sparks with socket electrical contact or the oxidation of breaking off in the twinkling of an eye, thereby avoid striking sparks the oxidation and the resistance increase that causes, guarantee the effect of leading to, simultaneously, because contact or the contact pin of back disconnection take place to strike sparks more easily behind with the socket in two contact pins, the first contact pin of second contact pin protrusion on the grafting direction, the first contact pin that sets up silver contact so compares with socket electrical contact and disconnection behind the second contact pin, under the condition of the effect of leading to of guaranteeing plug and socket, the quantity that sets up of silver contact has been reduced. Of course, the first contact pin and the second contact pin may both be provided with silver contacts.
The contact pin stretches into in the mounting hole along the grafting direction, and the location boss is contradicted in the step face of location step along the grafting direction, realizes that the contact pin is fixed a position on the grafting direction, guarantees the relative fixed bolster of contact pin to the extension length of socket direction so that the socket reliably electrical contact.
4. The plug is directly electrically contacted with the socket through the silver contact, the silver contact is small in size, the installation space is saved, the silver contact is convenient to install on the fixing support, a through hole is prevented from being formed in the fixing support, and the strength of the fixing support is guaranteed.
5. The electric contact piece electrically contacted with the socket on the plug is hidden in the installation groove, so that the electric contact piece is prevented from being exposed and deformed to influence the electric contact effect, meanwhile, the arrangement of the guide hole guides the contact pin on the socket to be aligned with the electric contact piece so as to be electrically contacted, and the condition that the two are staggered in the plugging process and cannot be normally conducted is avoided.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a block diagram of a reliable coupler used in one embodiment;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a cross-sectional view of a reliable coupler used in one embodiment (one);
FIG. 4 is a cross-sectional view of the reliable coupler used in the first embodiment (two);
FIG. 5 is a sectional view (III) of a reliable coupler used in the first embodiment;
FIG. 6 is a diagram illustrating a plug according to an embodiment of the present invention;
FIG. 7 is a structural diagram of an inserting bracket according to an embodiment of the present invention;
fig. 8 is a cross-sectional view of a plug according to a second embodiment of the present invention.
Detailed Description
Example one
As shown in fig. 1 to 7, this embodiment provides a coupler reliable in use, including plug 1 and socket 2 having socket absorbing piece 32, plug 1 includes plug housing 11, and one end of plug housing 11 is equipped with plug support 12 with socket 2 grafting cooperation, and the other end is connected with the power cord, is equipped with plug absorbing piece 31 and fixed bolster 13 on plug support 12, and plug 1 and socket 2 are connected through plug absorbing piece 31 and socket absorbing piece 32 magnetism, and fixed bolster 13 compresses tightly plug absorbing piece 31 on plug support 12 along the grafting direction.
Firstly, the plug support 12 and the power cord are respectively arranged at two ends of the plug shell 11 in the plugging direction, so that the length of the plug 1 in the plugging direction is ensured, the plug support 12 can extend into the slot 20 with enough length inside the socket 2, the socket 2 and the plug 1 can be reliably plugged and matched and electrically contacted, the whole plug shell 11 can be used as a holding part for plugging operation of a user, and the user can conveniently apply force to plug and pull out. Secondly, plug 1 and socket 2 inhale the connection through plug absorption piece 31 and socket absorption piece 32 magnetism, prevent to peg graft between plug 1 and the socket 2 cooperation pine and take off, reduced the wearing and tearing between plug 1 and the slot 20 of socket 2, also reduced the degree of difficulty of user's plug, simultaneously, magnetism is inhaled the power and is had the guidance quality, does benefit to guide plug 1 and pegs graft and target in place. Finally, the fixing support 13 compresses the plug adsorbing member 31 on the plugging support 12 along the plugging direction, so that the movement of the plug adsorbing member 31 in the plugging direction of the plug 1 is limited, the plug adsorbing member is prevented from shifting inside the plug 1 due to the action of magnetic attraction in the plugging process of the plug 1, and the reliable installation and fixation of the plug adsorbing member 31 on the plug 1 are realized.
In addition to the installation structure of the plug adsorption piece, the plug adsorption piece is fixed in the installation cavity of the plug support; or, the plug absorbing piece and the inserting support are integrally formed. For example, a groove is formed in the insertion support, and the plug adsorption piece is embedded in the groove to be fixed.
In this embodiment, the fixed support and the inserting support are connected to form an inserting assembly, and the inserting assembly is connected with the plug housing. Through the fixed bolster with grafting leg joint for electric connector and plug adsorb the piece also be fixed to the fixed bolster with on the grafting support, like this at the in-process of assembly, can form earlier the grafting subassembly, then be connected with plug housing for assembly efficiency.
Furthermore, in order to facilitate maintenance, the fixed bracket is detachably connected with the inserting bracket; or the fixed support and the inserting support are connected through interference fit or a buckle.
In this embodiment, the fixing bracket 13 is provided with a contact pin penetrating through the fixing bracket 13 along the plugging direction, one end of the contact pin extends out of the fixing bracket 13 along the plugging direction to be electrically connected with the socket 2, and the other end of the contact pin extends out of the fixing bracket 13 along the pulling direction to be electrically connected with a terminal 15 inside the plug housing 11. Thereby fixed bolster 13 is not only the limit structure of plug absorption piece 31, but also the fixed knot of contact pin constructs, a fixed bolster 13 has multiple use, do benefit to and simplify 1 inner structure of plug, simultaneously, the both ends of contact pin all stretch out fixed bolster 13, thereby fixed position of fixed bolster 13 is located between the both ends of contact pin, not only fixed reliability and stability are better, and make full use of 1 inside space in the grafting direction of plug moreover, do benefit to the size that reduces 1 cross section of plug.
In this embodiment, the contact pins are provided with two first contact pins 1a and two second contact pins 1b, one of the first contact pin 1a and the second contact pin 1b is a neutral contact pin, and the other one of the first contact pin 1a and the second contact pin 1b is a live contact pin, one end of the first contact pin 1a close to the socket absorption piece 32 is provided with a silver contact 14, and the second contact pin 1b protrudes out of the first contact pin 1a in the plugging direction. The first contact pin 1a is provided with the silver contact 14, so that the instant ignition oxidation of the first contact pin 1a in electrical contact with or disconnection from the socket 2 can be prevented, the resistance increase caused by the ignition oxidation is avoided, and the conduction effect is ensured, meanwhile, because the contact pin in the two contact pins which is in contact with or disconnected from the socket 2 at the back is easy to ignite, the second contact pin 1b protrudes out of the first contact pin 1a in the plugging direction, so that the first contact pin 1a provided with the silver contact 14 is in electrical contact with or disconnected from the socket 2 after being compared with the second contact pin 1b, and the arrangement number of the silver contact 14 is reduced under the condition of ensuring the conduction effect of the plug 1 and the socket 2. Of course, the first contact pin 1a and the second contact pin 1b may be provided with the silver contact 14.
The fixing bracket 13 is provided with an installation through hole 131 for installing the contact pin, one end of the installation through hole 131, which is far away from the socket adsorption piece 32, is provided with a positioning step 131a, the contact pin is provided with a positioning boss 10, and the positioning boss 10 abuts against the step surface of the positioning step 131a along the plugging direction. Therefore, the contact pins extend into the mounting through holes 131 along the plugging direction, the positioning bosses 10 abut against the step surfaces of the positioning steps 131a along the plugging direction, the contact pins are positioned in the plugging direction, and the extending length of the contact pins relative to the fixing support 13 towards the socket 2 is ensured so as to be reliably electrically contacted with the socket 2. Of course, in order to prevent the contact pin from being separated from the mounting through hole 131 in the withdrawal direction, the contact pin may be interference-fitted with the mounting through hole 131 or may be adhered by glue.
In this embodiment, the inserting support 12 is provided with a mounting groove 121, an electrical contact is disposed in the mounting groove 121, an opening of the mounting groove 121 faces a direction opposite to the inserting direction, a guide hole 122 is disposed on a bottom wall of the mounting groove 121, and the socket 2 is provided with a contact pin (a first contact pin 2a and a second contact pin 2b), the contact pin passes through the guide hole 122 and extends into the mounting groove 121 to be electrically contacted with the electrical contact. Therefore, the electrical contact part electrically contacted with the socket 2 on the plug 1 is hidden in the installation groove 121, the electrical contact part is prevented from being exposed and deformed to influence the electrical contact effect, meanwhile, the arrangement of the guide hole 122 guides the contact pin on the socket 2 to be aligned with the electrical contact part so as to be electrically contacted, and the situation that the contact pin and the electrical contact part are staggered in the plug inserting process and cannot be normally conducted is avoided. The electrical contact in this embodiment is the contact pin described above, but may be other electrical contacts for electrical contact, such as the electrical contact tab 141 or the electrical contact ring.
The plug ground strip 14 is arranged in the plug 1, the peripheral side surface of the plugging support 12 is provided with two communication openings 123 arranged back to back, the plug ground strip 14 is provided with two contact pieces 141 and respectively exposed out of the two communication openings 123, and at least one contact piece 141 is electrically contacted with the socket ground strip 21 on the socket 2. Therefore, as long as the plug 1 extends into the slot 20 of the socket 2 for inserting and matching, the electrical contact between the plug ground wire piece 14 and the socket ground wire piece 21 can be realized, the repeated circumferential adjustment of the conduction between the plug 1 and the socket 2 is avoided, and the rapid inserting and the in-place are facilitated.
Specifically, the plug ground strip 14 is a U-shaped structure, the plug ground strip 14 is sleeved outside the fixing bracket 13 along the plugging direction, and the two contact pieces 141 are respectively disposed at two ends of the plug ground strip 14. The plug ground wire piece 14 of U-shaped structure connects two contact pieces 141 as an organic whole, has guaranteed intensity between them, and both can install as a whole, simplify the installation procedure, and simultaneously, plug ground wire piece 14 can directly overlap on fixing support 13, avoids establishing other fixed knot to construct in addition, simplifies the inside structure of plug 1.
In this embodiment, the plug absorbing member 31 is located in the installation groove 121, and the fixing bracket 13 extends into the installation groove 121 to be connected to the inserting bracket 12. Thereby adsorb 31 with the plug and hide inside 1 of plug, avoid the plug to adsorb 31 and directly receive exogenic action and breakage, simultaneously, mounting groove 121 provides the space for the installation of fixed bolster 13, fixed bolster 13 directly imbeds inside grafting support 12 and with mounting groove 121 interference fit to guaranteed the reliable connection of fixed bolster 13 with grafting support 12, certainly, grafting support 12 also can be fixed through mounting groove 121 and fixed bolster 13 joint.
The groove bottom wall of the mounting groove 121 is provided with a limiting edge 124 located on the outer side of the plug adsorbing member 31, the fixing support 13 is provided with a limiting boss 132, and the limiting boss 132 extends into the inner side of the limiting edge 124 along the plugging direction to abut against the plug adsorbing member 31. Spacing limit 124 restriction plug adsorbs piece 31 and removes along plug 1 cross section, avoid the plug to adsorb 31 and socket and adsorb 32 dislocation and unable normal absorption at plug 1 grafting in-process, guarantee socket 2 and plug 1 magnetism and inhale intensity and the anticreep effect of being connected, simultaneously, spacing boss 132 stretches into the inboard of spacing limit 124 along the grafting direction, thereby spacing limit 124 can regard as guide structure guide spacing boss 132 and plug to adsorb 31 alignment, the realization is to the conflict spacing of plug adsorption piece 31.
The magnetic attraction fit between the plug attraction piece 31 and the socket attraction piece 32 is realized, and one of the socket attraction piece 32 and the plug attraction piece 31 is a first magnet, and the other is a second magnet or a metal piece.
Further, the plug is not rotatable with respect to the socket after the plug is inserted into the socket.
Example two
As shown in fig. 8, it is understood that the plug 1 may not have contact pins to electrically contact with the socket 2, specifically, the side of the fixing bracket 13 facing the socket sucking part 32 is provided with silver contacts 14, the plug 1 electrically contacts with the socket 2 through the silver contacts 14, and the terminals 15 inside the plug housing 11 extend out of the fixing bracket 13 along the plugging direction to electrically connect with the silver contacts 14. Therefore, the plug 1 is directly in electric contact with the socket 2 through the silver contact 14, the silver contact 14 is small in size, the installation space is saved, the installation on the fixing support 13 is convenient, a through hole is prevented from being formed in the fixing support 13, and the strength of the fixing support 13 is guaranteed.
Other contents not described in this embodiment may refer to embodiment one.
EXAMPLE III
The embodiment provides a liquid heater, which comprises a kettle body and a coupler which is reliable in use and is provided with any one of the embodiments, wherein a socket 2 is fixed on the kettle body, and a plug 1 is electrically connected with a power line.
Specifically, the kettle body comprises a kettle body and a bottom cover, a mounting hole with an outward opening is formed in the bottom cover, the socket 2 is mounted on the mounting hole, and the plug 1 is in inserting fit with the slot 20 of the socket 2 from outside to inside along the radial direction of the kettle body.
Of course, the coupler convenient for plugging can be applied to liquid heaters, and can also be applied to other household appliances such as electric cookers, ovens, bread makers and the like.
Other contents not described in this embodiment may refer to embodiment one.
In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims (10)

1. The utility model provides a coupler reliable in use, includes the plug and has the socket that the socket adsorbs the piece, its characterized in that, plug and socket adsorb the piece through the plug and the socket is inhaled the piece magnetism and is connected, the plug includes plug housing, and plug housing's one end is equipped with and pegs graft complex grafting support, the other end and power cord connection with the socket, still including the fixed bolster that is used for installing electric connector, the plug adsorbs the piece to be located between fixed bolster and the grafting support.
2. The coupler of claim 1, wherein the fixing bracket presses the plug suction member against the plug bracket in the plugging direction; or the plug adsorption piece is fixed in the mounting cavity of the plug support; or the fixed bracket is detachably connected with the inserting bracket; or the plug absorbing piece and the inserting support are integrally formed; or the fixed support and the plug support are connected to form a plug assembly, and the plug assembly is connected with the plug shell; or the fixed support and the inserting support are connected through interference fit or a buckle.
3. The coupler of claim 1, wherein the fixing bracket is provided with a contact pin penetrating through the fixing bracket along the plugging direction, one end of the contact pin extends out of the fixing bracket along the plugging direction to be electrically connected with the socket, and the other end of the contact pin extends out of the fixing bracket along the pulling direction to be electrically connected with the terminal inside the plug housing.
4. The coupler of claim 3, wherein the contact pins are provided with two and respectively a first contact pin and a second contact pin, the first contact pin has a silver contact at one end close to the socket suction piece, and the second contact pin protrudes out of the first contact pin in the plugging direction;
or, be equipped with the installation through-hole that supplies the contact pilotage to install on the fixed bolster, the one end of keeping away from socket absorption piece on the installation through-hole is equipped with the location step, is equipped with the location boss on the contact pilotage, and the location boss is contradicted in the step face of location step along the grafting direction.
5. The coupler of claim 1, wherein the fixing bracket is provided with a silver contact on a side facing the socket sucking member, the plug is electrically connected with the socket through the silver contact, and the terminal inside the plug housing extends out of the fixing bracket along the plugging direction to be electrically connected with the silver contact.
6. The coupler of any one of claims 1 to 4, wherein the plug support is provided with a mounting groove, the mounting groove is provided with an electrical contact, the mounting groove is opened in a direction opposite to the plugging direction, the bottom wall of the mounting groove is provided with a guide hole, the socket is provided with a contact pin, and the contact pin extends into the mounting groove through the guide hole to be electrically contacted with the electrical contact.
7. The coupler of any one of claims 1 to 4, wherein the plug is internally provided with a plug ground strip, the plug support is provided with two communication openings arranged back to back on the peripheral side, the plug ground strip has two contact pieces and is exposed from the two communication openings, and at least one contact piece is electrically contacted with the receptacle ground strip on the receptacle.
8. The coupler of claim 7, wherein the plug ground strip has a U-shaped structure, the plug ground strip is sleeved outside the fixing bracket along the plugging direction, and the two contact pieces are respectively disposed at two ends of the plug ground strip.
9. The coupler according to any one of claims 1 to 4, wherein the plug support is provided with a mounting groove, the opening of the mounting groove faces in the opposite direction to the plugging direction, the plug absorbing member is located in the mounting groove, and the fixing support extends into the mounting groove and is connected with the plug support.
10. The coupler reliable in use according to claim 9, wherein the bottom wall of the mounting groove is provided with a limiting edge positioned outside the plug absorbing member, the fixing bracket is provided with a limiting boss, and the limiting boss extends into the inner side of the limiting edge along the plugging direction to abut against the plug absorbing member; or the fixing support is clamped with the mounting groove or in interference fit with the mounting groove.
CN202021386374.9U 2020-06-30 2020-07-14 Coupler reliable in use Active CN214176358U (en)

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Application Number Priority Date Filing Date Title
CN202021249290 2020-06-30
CN2020212492900 2020-06-30

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CN202010675744.9A Active CN114094400B (en) 2020-06-30 2020-07-14 Liquid heater

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