CN106877057B - Safety socket - Google Patents
Safety socket Download PDFInfo
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- CN106877057B CN106877057B CN201710131858.5A CN201710131858A CN106877057B CN 106877057 B CN106877057 B CN 106877057B CN 201710131858 A CN201710131858 A CN 201710131858A CN 106877057 B CN106877057 B CN 106877057B
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- sliding block
- stopper
- socket
- shell
- main body
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- 238000003780 insertion Methods 0.000 claims abstract description 39
- 230000037431 insertion Effects 0.000 claims abstract description 37
- 230000000903 blocking effect Effects 0.000 claims abstract description 24
- 238000001125 extrusion Methods 0.000 claims abstract description 17
- 230000003068 static effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 16
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- 206010014405 Electrocution Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/44—Means for preventing access to live contacts
- H01R13/447—Shutter or cover plate
- H01R13/453—Shutter or cover plate opened by engagement of counterpart
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5227—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases with evacuation of penetrating liquids
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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
- H01R13/64—Means for preventing incorrect coupling
-
- 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
- H01R13/64—Means for preventing incorrect coupling
- H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
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- Connector Housings Or Holding Contact Members (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a safety socket which comprises a socket shell, a first sliding block stopper, a second sliding block stopper and a button component, wherein a first limiting structure and a second limiting structure are arranged between the button component and the first sliding block stopper and between the button component and the second sliding block stopper respectively; or the first sliding block stopper and the second sliding block stopper are abducted under the action of extrusion force so as to release the blocking of the first limiting structure and the second limiting structure to the button part. The safety socket has multiple protection functions, can prevent the situation that a non-matching plug is inserted into the socket and the situation that the plug is half inserted from occurring, has the functions of preventing mistaken insertion and electric shock and preventing water splash, is reasonable in design, convenient to use and more reliable in safety, and achieves the purpose of safe use.
Description
Technical Field
The invention relates to the technical field of electrical appliance connection of power supply equipment, in particular to a safety socket.
Background
Along with the rapid development of social economy and technology level, various electrical appliances used in daily life are more and more, and therefore, more and more power sockets are correspondingly used. The power socket is an electrical appliance device which provides a power interface for household appliances or electrical appliances, is also an electrical appliance accessory which is used in the design of residential appliances, has a very close relationship with the life of people, often causes personal electric shock and electric fire accidents due to the low-quality power socket, brings great hidden dangers to the personal and property safety, and therefore, the design of the power socket is also an important basis for evaluating the electrical design of the residential buildings.
A conventional power socket generally includes a housing having an accommodating space, an upper cover disposed on the housing, and an electrode portion disposed in the housing and having a conductive function, wherein a socket hole is disposed on the upper cover corresponding to the electrode portion. The power socket which is sold in the market at present and is frequently used in daily life is directly conducted once a plug or a conductive piece is inserted, generally has no safety protection function, and an electrode part of the power socket which is connected with a power supply is usually exposed in the jack, so that potential safety hazards exist, and electric shock accidents are easily caused. In order to realize the safe use of the socket, an insulated protective door structure is usually arranged at the jack of the power socket and has a sealing effect, so that people can be prevented from accidentally touching the electrode in the jack to cause electric shock hazard, external substances can be prevented from entering the socket, and the safety of the internal environment of the power socket is ensured.
Therefore, chinese patent CN101707304A discloses a safety socket, which includes a casing, electrodes, socket holes are provided on the casing corresponding to the electrodes, and a safety shutter mechanism is provided in the casing, the safety shutter mechanism includes an upper sliding plate, a lower sliding plate and a reset mechanism thereof, and the upper sliding plate and the lower sliding plate are respectively provided with a platform having an inclined plane and a sinking plane. It is middle and upper, the superpose of lower slide slidable is in the same place, and the inclined plane and the lower slide platform of upper slide overlap mutually, the inclined plane of lower slide overlaps mutually with the platform of upper slide, this kind of structure setting has dual-protection effect, can drive the slide when the inclined plane in one of them side jack is touch to the foreign matter and slide, when touching the platform again, no inclined plane structure, the slide can not slide this moment, can prevent the further entering of foreign matter and contact with the electrode and play the guard action, only when the downthehole upper and lower slide of both sides jack, the plug can get into smoothly when sliding all, the plug can get into smoothly. Although this kind of structure setting can play the safety protection effect, but can only prevent that the unilateral jack from appearing the male risk of foreign matter mostly, and lack the circuit protection function to inside electrode part, if all there is the foreign matter to insert or the half plug inserts in the jack of both sides, just can make its slip through the inclined plane of upper and lower slide, can not prevent the random insertion of foreign matter or non-matching plug, and in case get into the jack in contact electrode part just can the switch-on circuit, the protecting effect is poor, can not effectively prevent the emergence of electrocution hidden danger.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that the power socket in the prior art can not prevent the phenomenon that non-matching plugs are randomly plugged or half plugs are inserted, the protection effect is poor, and foreign matters are simultaneously inserted from jacks at two sides to cause electric shock hidden trouble.
In order to solve the technical defects, the invention provides a safety socket, which comprises:
the socket comprises a socket shell, a connecting rod and a connecting rod, wherein an electrode holder is arranged in the socket shell, and three insertion holes are formed in the surface of the socket shell corresponding to the electrode holder; and a locking mechanism comprising:
the first sliding block blocking piece is used for blocking the L pole and the N pole and abduces under the action of extrusion force, so that the plug can be connected with the L pole and the N pole; elastically resetting to shield the L pole and the N pole after the extrusion force disappears;
the second sliding block serving as a piece for shielding the grounding electrode is subjected to yielding under the action of extrusion force, so that the plug and the grounding electrode can be connected; elastically resetting to shield the grounding electrode after the extrusion force disappears;
the button component can be pressed to move into the socket shell, a first limiting structure and a second limiting structure are respectively formed on the button component and the first sliding block stopper and the second sliding block stopper, and the first limiting structure and/or the second limiting structure can block the button component from moving into the socket shell so as to limit the plug from being further inserted into the socket shell; or after the first sliding block stopper and the second sliding block stopper are abducted under the action of the extrusion force of the plug, the first limiting structure and the second limiting structure can release the blockage of the button part so as to insert into the socket shell.
Preferably, the first conductive part is arranged at the bottom of the socket shell and is communicated with the electrode holder;
and the second conductive part is arranged on the second sliding block stopper and corresponds to the first conductive part, and when the second sliding block stopper is abducted, the second conductive part is abutted against the conductive part.
Preferably, the socket housing is formed with a receiving hole suitable for the button part to move, and the button part includes a touch indication end extending out of the surface of the socket housing, an insertion end arranged opposite to the touch indication end, and a limit stop surface located below the touch indication end and used for preventing the button part from falling out of the receiving hole.
As a preferred scheme, the first limiting structure comprises: the first stopping part is arranged on the first sliding block stopping part, and the arc-shaped step is formed on the touch indicating end and corresponds to the first stopping part, and when the first sliding block stopping part is not extruded and abducted, the arc-shaped step is abutted against the first stopping part.
As a preferred scheme, the second limit structure includes: the second sliding block stopper is arranged on the second sliding block stopper, and the circular step is formed on the insertion end and corresponds to the second stopper.
As a preferred scheme, the socket shell comprises an upper shell, a lower shell and a socket panel with three insertion holes, wherein a sliding groove suitable for accommodating the first sliding block stopper and a plurality of insertion grooves suitable for accommodating the electrode holder are formed in the upper shell; the first sliding block blocking piece comprises a first sliding block main body and first blocking piece parts which are arranged on two sides of the first sliding block main body and extend towards the slot, and the first blocking piece parts are blocked at the sockets of the L pole and the N pole.
As a preferable scheme, the second slider stopper includes a second slider main body slidably disposed in the sliding groove between the lower casing and the upper casing, and a second stopper portion formed on a surface of the second slider main body and extending into the insertion groove, and the second stopper portion is covered at the socket of the ground electrode.
Preferably, the first blocking part and the second blocking part are respectively provided with an inclined guide structure towards the three insertion holes, and the inclined guide structures are used for guiding the plug to slide into the insertion slot and pushing the first blocking part and the second blocking part to slide away from the insertion slot.
As a preferable scheme, the second slider main body is T-shaped, a through hole suitable for the insertion end to extend into is formed in the second slider main body, and the second stopper portion is a semicircular step formed in the through hole and used for stopping the insertion end from extending into.
Preferably, the slide mechanism further comprises a first biasing member and a second biasing member for respectively driving the first slide stopper and the second slide stopper to reset and shield, wherein the first biasing member is disposed between the upper housing inner wall and the first slide main body, and the second biasing member is disposed between the lower housing inner wall and the second slide main body.
Preferably, the first conductive part comprises a bolt which penetrates through a stud at the bottom of the upper shell and is in threaded connection with the electrode holder, and a static contact piece which is fixed at one end of the stud through the bolt;
the second conductive part comprises a movable contact piece which is arranged on the extension arms at two sides of the second sliding block main body and corresponds to the static contact piece, and a grounding contact piece which penetrates through the hole of the second sliding block main body and is not linked with the hole.
As a preferable scheme, the bottom of the lower shell is provided with corresponding square holes corresponding to the movable contact piece and the grounding contact piece, and the movable contact piece and the grounding contact piece respectively comprise wiring ends penetrating through the square holes.
Preferably, a third biasing member for biasing the button member is disposed between the button member and the second slider body, and one end of the third biasing member abuts against a surface of the second slider body and the other end abuts against a triangular end surface of the button member.
As a preferred scheme, still including the switch-on the drainage channel structure of a plurality of slots, the drainage channel structure include to two first drainage channel that the both sides lateral wall of last casing extends, and correspond the earth's pole jack and extend to the second drainage channel of casing bottom down, and go up casing lateral wall and casing bottom down the shaping respectively has the correspondence first drainage channel and second drainage channel's outlet.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. the invention provides a safety socket, which is provided with a first slide block stopper and a second slide block stopper which are used for respectively shielding an L pole, an N pole and a grounding pole and can be elastically reset, and a button part which is respectively provided with a first limit structure and a second limit structure between the first slide block stopper and the second slide block stopper, wherein the structure is used for forming a logic relation of mutual restriction, and the safety socket has multiple protection effects; secondly, the first limiting structure and the second limiting structure block the button component from being pressed into the shell to move, the effect of limiting the plug from being further inserted into the socket shell can be achieved, and only when the first sliding block stopper and the second sliding block stopper are simultaneously extruded and abducted, the locking of the movement action of the button component can be released, and compared with the prior art, the situations that a non-matching plug is inserted into the socket and the plug is half inserted can be avoided; moreover, when a foreign object extrudes any one of the sliding block stoppers to extend into the socket shell, the internal circuit of the socket is not conducted, so that the electric shock condition can be effectively prevented. Therefore, the safety socket can prevent the insertion of a non-matching plug, has the effects of preventing mistaken insertion and electric shock and the like, is reasonable in design, convenient to use and more reliable in safety, and achieves the purpose of safe use.
2. In the safety socket provided by the invention, the corresponding first conductive part and the second conductive part are arranged, when the second sliding block stopper moves away, the second conductive part is driven to be abutted with the first conductive part to form circuit connection, and when the second sliding block stopper resets, the circuit is automatically switched off, so that the effect of not conducting the circuit when a plug is incorrectly inserted or a foreign body is inserted is achieved, and the electric shock prevention effect is achieved.
3. In the safety socket provided by the invention, the two ends of the button part are respectively provided with the indication touch end and the insertion end, wherein the indication touch end can remind a user to distinguish whether the socket is in a safe state, and the safety is more reliable.
4. In the safety socket provided by the invention, the first limiting structure is formed by matching the first stopping part and the arc-shaped step on the touch indicating end, and the second limiting structure is formed by matching the second stopping part and the circular step on the inserting end.
5. In the safety socket provided by the invention, the first biasing member and the second biasing member are respectively arranged corresponding to the first sliding block stopper and the second sliding block stopper, the first sliding block stopper can automatically reset along the sliding groove in the upper shell to shield the L pole and the N pole after pressure disappears by virtue of the biasing force of the first biasing member, and the second sliding block stopper can automatically reset along the sliding groove in the lower shell to shield the grounding pole after the pressure disappears by virtue of the biasing force of the second biasing member, so that the first sliding block stopper and the second sliding block stopper have the function of resetting movement, and the safety performance and the service performance of the safety socket are improved.
6. In the safety socket provided by the invention, a water drainage channel structure communicated with the slots is arranged in the socket shell, and the water drainage channel structure comprises two first water drainage channels extending towards the side walls of the two sides of the upper shell in the opposite directions and a second water drainage channel extending to the bottom of the lower shell corresponding to the polar jack. Through this kind of structure setting, at first can discharge along the drainage channel who corresponds respectively from the rivers of three infiltration in inserting the jack, guarantee the inside security of ponding and power consumption of socket casing, secondly when inserting the socket, its inner structure is insulating, consequently, contact the conducting part in gradually getting into the jack as water, also can not take place to electrocute or the condition of short circuit, have the effect of splashproof, prevent ponding, diversion drainage, the security is more reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic perspective view of a safety socket according to the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention, particularly illustrating a first drain passage;
FIG. 3 is a schematic top view of the receptacle panel of FIG. 1 with the receptacle panel removed;
FIG. 4 is a schematic view of the mounting structure of the second slider stopper and the bottom of the upper housing of the present invention, particularly illustrating the first conductive portion and the second conductive portion;
FIG. 5 is a schematic view of an installation structure of a second slider stopper and a lower housing according to the present invention;
FIG. 6 is a schematic perspective view of the bottom view of FIG. 1;
FIG. 7 is a schematic structural view of a button member provided in the present invention;
FIG. 8 is a schematic structural view of a first slider stop provided in the present invention;
fig. 9 is a schematic structural diagram of a safety socket provided by the present invention in a non-connected state;
fig. 10 is a schematic structural diagram of a safety socket provided by the present invention in a connected state;
description of reference numerals: 1-socket housing, 11-upper housing, 12-lower housing, 13-first drain channel, 2-socket panel, 3-electrode holder, 4-first slider stopper, 40-first slider body, 41-first stopper, 42-first stopper portion, 43-inclined guide structure, 44-first biasing member, 5-second slider stopper, 50-second slider body, 51-second stopper, 52-second stopper portion, 53-through hole, 54-second biasing member, 6-button member, 60-third biasing member, 61-touch indication end, 62-insertion end, 63-limit stopper face, 71-static contact, 72-bolt, 80-ground end, 81-movable contact, 82-ground contact.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The present embodiment is described in detail below with reference to the accompanying drawings:
the embodiment provides a safety socket shown in fig. 1-10, which comprises a socket shell 1 and a locking mechanism, wherein an electrode holder 3 is arranged in the socket shell 1, and three jacks are arranged on the surface of the socket shell 1 corresponding to the electrode holder 3; the locking mechanism includes: the first sliding block blocking piece 4 is used for blocking the L pole and the N pole and abdicating under the action of extrusion force, so that the plug can be connected with the L pole and the N pole; elastically resetting to shield the L pole and the N pole after the extrusion force disappears; the second sliding block serving as a piece 5 for shielding the grounding electrode is subjected to yielding under the action of extrusion force, so that the plug can be connected with the grounding electrode; elastically resetting to shield the grounding electrode after the extrusion force disappears; the plug socket further comprises a button part 6 which can be pressed to move into the socket shell 1, wherein a first limiting structure and a second limiting structure are respectively formed on the button part 6 and the first sliding block piece 4 and the second sliding block piece 5, and the first limiting structure and/or the second limiting structure block the button part 6 from moving into the socket shell 1 so as to limit the plug from being further inserted into the socket shell 1; or after the first sliding block piece 4 and the second sliding block piece 5 yield under the action of plug extrusion force, the first limiting structure and the second limiting structure are used for releasing the blocking of the button part 6, so as to insert into the socket shell.
The above embodiment is the core technical solution of this embodiment, by providing the first slider stopper 4 and the second slider stopper 5 which are used to shield the L, N and ground electrodes respectively and can be elastically reset, and the button component which forms the first limit structure and the second limit structure with the first slider stopper 4 and the second slider stopper 5 respectively, a mutual restriction logical relationship is formed by the structural arrangement, and a multiple protection effect is achieved, first, the first slider stopper and the second slider stopper are used to shield the jack position, so that foreign objects, fingers and the like can be prevented from directly extending into the jack; secondly, the first limiting structure and the second limiting structure block the button component from being pressed into the shell to move, so that the effect of limiting the plug from being further inserted into the socket shell can be achieved, and only when the first sliding block piece 4 and the second sliding block piece 5 are simultaneously extruded and abducted, the locking of the movement action of the button component 6 can be released, compared with the prior art, the situations that a non-matching plug is inserted into the socket and the plug is half-inserted can be avoided; moreover, when a foreign object extrudes any one of the sliding block stoppers to extend into the socket shell, the internal circuit of the socket is not conducted, so that the electric shock condition can be effectively prevented. Therefore, the safety socket can prevent the insertion of a non-matching plug, has the effects of preventing mistaken insertion and electric shock and the like, is reasonable in design, convenient to use and more reliable in safety, and achieves the purpose of safe use.
Further preferably, the touch control device further includes a touch control circuit mechanism including a first conductive part and a second conductive part; wherein the first conductive part is arranged at the bottom of the socket shell 1 and is communicated with the electrode holder 3; the second conductive part is arranged on the second slider stopper 5 and corresponds to the first conductive part, and when the second slider stopper 5 is abducted, the second conductive part 8 is abutted against the conductive part. Through setting up corresponding first conductive part and second conductive part, keep off when 5 abdicating as the second slider, drive second conductive part and first conductive part looks butt in order to form the circuit switch-on, and keep off when 5 resets at the second slider, the automatic open circuit, do not switch on the circuit effect when playing the plug and incorrectly insert or have the foreign matter to insert, the effect that has the protection against electric shock, consequently, only when the plug that also matches correctly inserts, just can provide the power to the plug and use, have safety, reliable advantage.
It should be noted that, although the locking mechanism in this embodiment provides a matching form of the first slider stopper 4, the second slider stopper 5, and the button part 6, and two limiting structures are provided to block the action of the button part, so as to block the insertion of a plug of a different specification into a jack or the half-insertion connection of a plug, it is obvious that a locking structure having a first locking hole and a second locking hole which have a locking function for the button part may be provided on the first slider stopper 4 and the second slider stopper 5, respectively, to perform the action of locking the button part, that is, after the first slider stopper 4 and the second slider stopper 5 are squeezed and abducted respectively, the first locking hole and the second locking hole are aligned, so that the button part 6 can be pressed into the socket housing 1 to move into the first locking hole and the second locking hole in the aligned state. The skilled person can select the specific arrangement of the locking mechanism according to the above description, and further description of other equivalent embodiments of the locking mechanism is omitted here.
The first and second position-limiting structures of this embodiment are described in detail below with reference to fig. 3-10:
the socket shell 1 is formed with a containing hole suitable for the button part 6 to move, the button part 6 comprises a touch indication end 61 extending out of the surface of the socket shell 1, an insertion end 62 arranged opposite to the touch indication end 61, and a limit stop surface 63 located below the touch indication end 61 and used for preventing the button part 6 from falling out of the containing hole. The indication touch end 61 is in a safe locking state when extending out of the socket housing 1, so that a user is reminded to identify whether the socket is in a safe state, and the safety is more reliable.
As a preferred embodiment, the first limiting structure includes: the first stopping portion 41 disposed on the first sliding block member 4 is formed on the touch indication end 61, and the first stopping portion 41 corresponds to the circular arc step, and when the first sliding block member 4 is not pressed to yield, the circular arc step abuts against the first stopping portion 41. Further preferably, the second limit structure includes: a second stopping portion 51 disposed on the second slider stopper 5, and a circular step formed on the insertion end 62 and corresponding to the second stopping portion 51, wherein when the second slider stopper 5 is not pressed and retracted, the circular step abuts against the second stopping portion 41. In conclusion, the first limiting structure is formed by matching the first stopping portion and the arc-shaped step on the touch indicating end, the first limiting structure is formed by matching the second stopping portion 41 and the circular step on the inserting end, and the mutually-abutted limiting structures are simple in structure, reliable in cooperation and double in blocking effect.
In this embodiment, as shown in fig. 1, 3, 5, and 8, the socket housing 1 includes an upper housing 11 and a lower housing 12, and the socket panel 2 has the three-plug jack, wherein the upper housing and the lower housing are insulated, a sliding slot adapted to seat the first sliding block stopper 4 is formed in the upper housing 11, and a plurality of slots adapted to receive the electrode holder 3 are formed in the upper housing 11; the first slider stopper 4 includes a first slider main body 40, and first stopper portions 42 disposed at two sides of the first slider main body 40 and extending into the slot, wherein the first stopper portions 42 are shielded at the sockets of the L pole and the N pole. Specifically, the second slider stopper 5 includes a second slider main body 50 slidably disposed in the sliding slot between the lower case 12 and the upper case, and a second stopper portion 52 formed on a surface of the second slider main body 50 and extending into the slot, wherein the second stopper portion 52 is shielded at the socket of the ground electrode. This kind of structure setting to when making first slider main part and second slider main part along the spout motion that sets up separately, do not take place the skew, and mutual noninterference has guaranteed socket shell body inner structure's stability.
As shown in fig. 3, the first blocking part 42 and the second blocking part 52 are respectively provided with a slope guiding structure 43 toward the three insertion holes 21 for guiding the plug to slide into the insertion slot and pushing the first blocking part 42 and the second blocking part 52 to slide away from the insertion slot.
Preferably, the second slider main body 50 is T-shaped, and a through hole 53 suitable for the insertion end to extend into is formed in the second slider main body, and the second stopper portion 51 is a semicircular step formed in the through hole 53 and used for stopping the insertion end 62 to extend into, so that the second stopper portion can be abutted against the circular step on the insertion end; in addition, the first stopping part is a table top formed in the middle of the first sliding block main body and can be abutted against the circular step on the indicating touch end so as to achieve the function of stopping and limiting.
In order to ensure that the first slider stopper 4 and the second slider stopper 5 elastically return to shield the position of the jack after the squeezing force disappears, and ensure the timeliness and reliability of return, as shown in fig. 9-10, the present invention further comprises a first biasing member 44 and a second biasing member 54 for respectively driving the first slider stopper 4 and the second slider stopper 5 to return to shield, wherein the first biasing member 44 is disposed between the inner wall of the upper casing 11 and the first slider body 40, one end of the first biasing member abuts against the inner wall of the upper casing, and the other end abuts against the side wall of the first slider body; the second biasing member 54 is disposed between the inner wall of the lower case 12 and the second slider main body 50, and has one end abutting against the inner wall of the lower case and the other end abutting against the end face of the second slider main body. Wherein the first biasing member 44 and the first biasing member 54 are each preferably compression springs in this embodiment. The arrangement of the above structure can make the first slider stopper 4 automatically reset along the sliding groove in the upper case to shield the L pole and the N pole after the pressure disappears by the biasing force of the first biasing member 44, and similarly, can make the second slider stopper 5 automatically reset along the sliding groove in the lower case to shield the ground pole after the pressure disappears by the biasing force of the second biasing member 54, so that the first slider stopper 4 and the second slider stopper 5 have the function of resetting movement, and the safety performance and the use performance are improved.
In this embodiment, as shown in fig. 9-10, a third biasing member 60 for biasing the button element 6 is disposed between the button element 6 and the second slider main body 50, and one end of the third biasing member 60 abuts against the surface of the second slider main body 50, and the other end abuts against the triangular end surface of the button element 5. Similarly, the biasing force of the third biasing member 60 causes the button member to indicate that the touch end is ejected out of the receptacle panel after the pressure is removed.
The first conductive part and the second conductive part in this embodiment will be described in detail with reference to fig. 2, 4-6:
the first conductive part comprises a bolt 72 which penetrates through a stud at the bottom of the upper shell 11 and is in threaded connection with the electrode holder, and a static contact piece 71 which is fixed at one end of the stud through the bolt 72, wherein the static contact piece 71 is fixed at one end of the stud in a bent shape; preferably, the second conductive part includes a movable contact 81 disposed on the extension arms at two sides of the second slider body 50 and corresponding to the static contact, and a ground contact 82 passing through the hole of the second slider body 50 and not linked therewith, that is, the size of the hole is designed to ensure that the second slider body does not touch the ground contact when sliding, and the ground contact 82 is directly connected with the electrode holder of the ground electrode. Further preferably, as shown in fig. 6, the bottom of the lower housing 12 is provided with square holes corresponding to the movable contact 81 and the grounding contact 82, the movable contact 81 and the grounding contact 82 respectively include terminals 80 passing through the square holes, and the wiring can be used for electrically connecting a cord of a belt power supply. In this embodiment, the fixed contact piece 71 and the movable contact piece 81 are formed with opposite contacts, wherein the distance between the two contacts is about 5-10mm, so the size of the square hole is designed to be suitable for terminal offset use, when the second sliding block stopper slides under the extrusion acting force, the fixed contact piece and the movable contact piece are contacted, the structure is simple, the matching is reliable, and the use safety of the socket is ensured.
In this embodiment, as shown in fig. 2, the socket further includes a drainage channel structure communicating with the slots, the drainage channel structure includes two first drainage channels 13 extending to the side walls of the two sides of the upper housing 11, and the two first drainage channels 13 respectively correspond to the L-pole and N-pole insertion holes and have opposite extending directions; and a second drainage channel extending to the bottom of the lower shell 12 corresponding to the earth pole insertion hole, and drainage ports corresponding to the first drainage channel 13 and the second drainage channel are respectively formed on the side wall of the upper shell and the bottom of the lower shell. Through this kind of structure setting, at first can discharge along the drainage channel who corresponds respectively from the rivers of three infiltration in inserting the jack, guarantee the inside security of ponding and power consumption of socket casing, secondly when inserting the socket, its inner structure is insulating, consequently, contact the conducting part in gradually getting into the jack as water, also can not take place to electrocute or the condition of short circuit, have the effect of splashproof, prevent ponding, diversion drainage, the security is more reliable.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (13)
1. A safety receptacle, comprising:
the socket comprises a socket shell (1), wherein an electrode holder (3) is arranged in the socket shell, and three-plug jacks are formed in the surface of the socket shell (1) corresponding to the electrode holder (3); and a locking mechanism comprising:
the first sliding block stopper (4) is used for shielding the L pole and the N pole and abdicating under the action of extrusion force, so that the plug can be connected with the L pole and the N pole; elastically resetting to shield the L pole and the N pole after the extrusion force disappears;
the second sliding block stopper (5) is used for shielding the grounding electrode and abducts under the action of extrusion force, so that the plug and the grounding electrode can be connected; elastically resetting to shield the grounding electrode after the extrusion force disappears;
the button component (6) can be extruded by a plug to move towards the inside of the socket shell (1), the button component (6) and the first sliding block piece (4) and the second sliding block piece (5) respectively form a first limiting structure and a second limiting structure, and the first limiting structure and/or the second limiting structure block the button component (6) from moving towards the inside of the socket shell (1) so as to limit the plug from being further inserted into the socket shell (1); or after the first sliding block stopper and the second sliding block stopper yield under the action of plug extrusion force, the first limiting structure and the second limiting structure can release the blockage of the button part so as to be inserted into the socket shell (1);
a first conductive part which is arranged at the bottom of the socket shell (1) and is communicated with the electrode holder (3);
the second conducting part is arranged on the second sliding block stopper (5) and corresponds to the first conducting part, and when the second sliding block stopper (5) abdicates, the second conducting part is abutted to the first conducting part;
the first sliding block stopper (4) and the second sliding block stopper (5) are respectively provided with a first lock hole and a second lock hole which have a locking function on the button component.
2. A safety socket according to claim 1, wherein:
the socket shell (1) is provided with a containing hole suitable for the button part (6) to move, the button part (6) comprises a touch indicating end (61) extending out of the surface of the socket shell (1), an inserting end (62) arranged opposite to the touch indicating end (61), and a limiting blocking surface (63) located below the touch indicating end (61) and used for blocking the button part (6) to be separated from the containing hole.
3. A safety socket according to claim 2, wherein:
first limit structure includes: the first stopping portion (41) is arranged on the first sliding block stopper (4), and an arc-shaped step corresponding to the first stopping portion (41) is formed on the touch indicating end (61), and when the first sliding block stopper (4) is not extruded and abducted, the arc-shaped step is abutted against the first stopping portion (41).
4. A safety socket according to claim 3, wherein:
the second limit structure comprises: the second sliding block stopper (5) is provided with a second stopping portion (51) and a circular step, the circular step is formed on the insertion end (62) and corresponds to the second stopping portion (51), and when the second sliding block stopper (5) is not extruded and abducted, the circular step is abutted against the second stopping portion (51).
5. A safety socket according to claim 4, wherein:
the socket shell (1) comprises an upper shell (11), a lower shell (12) and a socket panel (2) with three insertion holes, wherein a sliding groove suitable for accommodating the first sliding block stopper (4) and a plurality of insertion grooves suitable for accommodating the electrode holder (3) are formed in the upper shell (11); the first sliding block stopper (4) comprises a first sliding block main body (40) and first stopper parts (42) which are arranged on two sides of the first sliding block main body (40) and extend towards the slot, and the first stopper parts (42) shield the sockets of the L pole and the N pole.
6. A safety socket according to claim 5, wherein:
the second sliding block stopper (5) comprises a second sliding block main body (50) which is slidably arranged in a sliding groove between the lower shell (12) and the upper shell, and a second stopper part (52) which is formed on the surface of the second sliding block main body (50) and extends into the inserting groove, wherein the second stopper part (52) is shielded at the inserting opening of the grounding electrode.
7. A safety socket according to claim 6, wherein:
the first blocking part (42) and the second blocking part (52) are respectively provided with a slope guide structure (43) towards the direction of the three insertion holes (21) for guiding the plug to slide into the insertion groove and pushing the first blocking part (42) and the second blocking part (52) to slide away from the insertion groove.
8. A safety socket according to claim 7, wherein:
the second sliding block main body (50) is T-shaped, a through hole (53) suitable for the insertion end to extend into is formed in the second sliding block main body, and the second stopping portion (51) is a semicircular step formed in the through hole (53) and used for stopping the insertion end (62) from extending into.
9. A safety socket according to claim 6, wherein:
the sliding block is characterized by further comprising a first biasing member (44) and a second biasing member (54) which are used for driving the first sliding block stopper (4) and the second sliding block stopper (5) to reset and shield respectively, wherein the first biasing member (44) is arranged between the inner wall of the upper shell (11) and the first sliding block main body (40), and the second biasing member (54) is arranged between the inner wall of the lower shell (12) and the second sliding block main body (50).
10. A safety socket according to claim 6, wherein:
the first conductive part comprises a bolt (72) which penetrates through a stud at the bottom of the upper shell (11) and is in threaded connection with the electrode holder, and a static contact piece (71) which is fixed at one end of the stud through the bolt (72);
the second conductive part comprises a movable contact piece (81) which is arranged on the extension arms at two sides of the second sliding block main body (50) and corresponds to the static contact piece (71), and a grounding contact piece (82) which passes through the hole of the second sliding block main body (50) and is not linked with the hole.
11. A safety socket according to claim 10, wherein:
the bottom of the lower shell (12) is provided with corresponding square holes corresponding to the movable contact piece (81) and the grounding contact piece (82), and the movable contact piece (81) and the grounding contact piece (82) respectively comprise a terminal (80) penetrating through the square holes.
12. A safety socket according to claim 6, wherein:
a third biasing member (60) for applying a biasing force to the button member (6) is arranged between the button member (6) and the second slider main body (50), one end of the third biasing member (60) abuts against the surface of the second slider main body (50), and the other end of the third biasing member abuts against the triangular end surface of the button member (6).
13. A safety socket according to claim 6, wherein: still including the switch-on the drainage channel structure of a plurality of slots, the drainage channel structure include to go up two first drainage channel (13) that the both sides lateral wall of casing (11) extends with correspond the earth's pole jack and extend to the second drainage channel of casing (12) bottom down, and go up casing lateral wall and casing bottom down the shaping respectively and have corresponding first drainage channel and second drainage channel's outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131858.5A CN106877057B (en) | 2017-03-07 | 2017-03-07 | Safety socket |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710131858.5A CN106877057B (en) | 2017-03-07 | 2017-03-07 | Safety socket |
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| CN106877057A CN106877057A (en) | 2017-06-20 |
| CN106877057B true CN106877057B (en) | 2023-03-24 |
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| CN201710131858.5A Active CN106877057B (en) | 2017-03-07 | 2017-03-07 | Safety socket |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706601A (en) * | 2017-10-10 | 2018-02-16 | 广州雷神电气制造有限公司 | Power outlet misplugs protector |
| CN109301575B (en) * | 2018-10-18 | 2020-06-05 | 黄驰越 | Safety socket |
| CN109582632B (en) * | 2018-11-20 | 2023-02-17 | 北京思达威云石油工程技术研究院有限公司 | Wireless big data operation calculation center management equipment and use method thereof |
| CN110534954B (en) * | 2019-09-27 | 2021-08-06 | 王嘉炜 | Three-plug power supply protection seat for high-speed railway rolling stock |
| CN113809601B (en) * | 2021-10-26 | 2024-03-22 | 宁波康伯斯电器有限公司 | Safety socket with locking function |
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| Publication number | Publication date |
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| CN106877057A (en) | 2017-06-20 |
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Effective date of registration: 20240927 Address after: No. 33, Changcheng Group, Tangyuan Village, Zhuting Town, Zhuzhou County, Zhuzhou City, Hunan Province 412108 Patentee after: Xiao Luoyou Country or region after: China Patentee after: Qi Saiping Address before: 221222 Taoli village, Taoyuan Town, Suining County, Xuzhou, Jiangsu, China Patentee before: JIANGSU FUTIAN ELECTRIC Co.,Ltd. Country or region before: China |