CN115732971B

CN115732971B - Safety socket

Info

Publication number: CN115732971B
Application number: CN202211458199.3A
Authority: CN
Inventors: 马金虎; 邬以浪
Original assignee: Guangdong Stiger Electronic Co ltd
Current assignee: Guangdong Stiger Electronic Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2024-03-12
Anticipated expiration: 2042-11-21
Also published as: CN115732971A

Abstract

The invention belongs to the technical field of sockets, and particularly relates to a safety socket. It comprises the following steps: the socket comprises a polyhedral socket shell, a plurality of jacks and a plurality of connecting rods, wherein the socket shell is provided with a mounting cavity; the first socket unit is arranged in the mounting cavity and comprises a USB interface, and the USB interface is correspondingly arranged with a part of jacks in the mounting cavity; the second socket unit is arranged in the mounting cavity and comprises a plug bush set, and the plug bush set is correspondingly arranged with the jack of the other part; and the protection door component is arranged between the plug bush group and the jack, and when the protection door component is in a free state, the protection door component blocks the jack corresponding to the plug bush group, and when the protection door component is in a trigger state, the protection door component is respectively opened compared with the jack, so that the plug bush group is exposed. The jacks on the sides of the invention can be used for connecting with electric appliances, the invention also has an electric appliance with a USB interface for providing a USB plug, and the protective door component can isolate and protect the plug bush group.

Description

Safety socket

Technical Field

The invention belongs to the technical field of sockets, and particularly relates to a safety socket.

Background

With the popularization and application of household appliances, communication equipment and other electric appliances, many convenience is brought to life and work, but with the increase of various household appliances and various electronic products, the demands of people for sockets are also increased, and the wall socket in the current market generally has jacks on one side, generally is two holes, three holes or five holes consisting of two holes and three holes, and only one of the two holes or the three holes can be used in five holes in many times, and only one of the two holes and the three holes is arranged, so that the space utilization rate of the wall socket is low. In addition, the use of electronic devices such as mobile phones and digital cameras is popular, and the use of charging power supplies for these electronic products is more and more frequent; at present, people commonly and directly insert the interface of the USB data line into the USB socket to charge the electronic products. Moreover, although the socket brings convenience to people in electricity consumption, the socket brings a plurality of potential safety hazards to the growth of children, the electric shock accidents of the children caused by the socket tend to rise year by year, and the 'safety of the children in electricity consumption' has become an important direction for developing, designing and producing the socket.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a safety socket. The plug socket is provided with the USB interface, and the plug socket is provided with the USB interface.

The present invention provides a safety socket, comprising:

the socket comprises a polyhedral socket shell, a plurality of jacks and a plurality of connecting rods, wherein the socket shell is provided with an installation cavity, and a plurality of jacks communicated with the installation cavity are formed in at least two side surfaces of the socket shell;

the first socket unit is arranged in the mounting cavity and comprises a USB interface which is arranged corresponding to a part of jacks in the mounting cavity;

the second socket unit is arranged in the mounting cavity and comprises a plug bush set, and the plug bush set is correspondingly arranged with jacks of the other part;

the protection door assembly is arranged between the plug bush assembly and the jack, the protection door assembly has a triggering state and a free state, when the protection door assembly is in the free state, the protection door assembly plugs the jack corresponding to the plug bush assembly, and when the protection door assembly is in the triggering state, the protection door assembly is respectively opened compared with the jack, so that the plug bush assembly is exposed.

Preferably, the first socket unit includes first circuit board, second circuit board and strengthening rib, first circuit board and second circuit board are followed respectively socket housing's first direction and second direction set up, the strengthening rib respectively with first circuit board and second circuit board fixed connection, a plurality of USB interfaces have been seted up on one of them panel of first circuit board, first socket unit installs when installing in the cavity, every the terminal surface of USB interface and the distance looks adaptation between the jack bottom surface that corresponds the setting.

Preferably, the first circuit board and the second circuit board form an included angle with each other, the included angle formed by the first circuit board and the second circuit board is alpha, the included angle formed by the first circuit board and the second circuit board is 88 degrees or more, the alpha is or less than 90 degrees, the first socket unit further comprises a radiating fin and radiating glue, the radiating fin is coated on the periphery of the second circuit board, and the radiating glue is filled between the radiating fin and a panel of the second circuit board.

Preferably, the socket shell comprises a mounting shell and a mounting cover, the mounting shell is a cylinder with a mounting cavity, an opening matched with the mounting cover is formed in the top of the socket shell and communicated with the mounting cavity, and a lead through hole is formed in the bottom of the socket shell; the safety socket further comprises a power supply connecting mechanism, and one end of the power supply connecting mechanism penetrates through the lead through hole and can extend out of the opening from the mounting cavity.

Preferably, the power supply connection mechanism comprises a scratch-resistant fixing sleeve, a power supply wire and a fixing clamp, one end of the power supply wire is electrically connected with the second socket unit, and the second socket unit is electrically connected with the first socket unit; the fixing clamp is clamped at the periphery of one end, close to the second socket unit, of the power line, and the fixing clamp is detachably installed on the second socket; the power cord periphery is established to the cover of preventing scraping fixed cover, prevent scraping fixed cover one end and install on the second socket, prevent scraping fixed cover is kept away from the one end radius of second socket is less than the radius of lead wire through-hole.

Preferably, the protection door assembly comprises a trigger mechanism and a plugging mechanism, the plug bush assembly comprises an L-pole plug bush terminal, an N-pole plug bush terminal and an E-pole plug bush terminal, the trigger mechanism is in a trigger state and a free state, when the trigger mechanism is in the free state, the trigger mechanism plugs the jack corresponding to the E-pole plug bush terminal, and two ends of the plugging mechanism are respectively plugged into the jacks corresponding to the L-pole plug bush terminal and the N-pole plug bush terminal; the triggering mechanism is in a triggering state, the triggering mechanism is opened compared with the jack corresponding to the E-pole plug terminal, and the plugging mechanism is opened compared with the jack corresponding to the L-pole plug terminal and the N-pole plug terminal.

Preferably, the middle part of the plugging mechanism is connected with one end of the trigger, a trigger inclined plane is formed at one end, far away from the end, connected with the plugging mechanism, of the trigger mechanism, the trigger inclined plane is positioned in a jack corresponding to the E-pole plug bush terminal, the distance between the trigger inclined plane and the bottom of the jack is gradually increased from the connecting end to the other end, and the trigger mechanism is provided with a movable chute extending from the trigger inclined plane to the connecting end; the second socket unit is provided with a baffle plate, the protection door assembly further comprises a reset mechanism, the reset mechanism is arranged in the movable sliding groove, one end of the reset mechanism is connected with the movable sliding groove close to the triggering inclined plane, and the other end of the reset mechanism is connected with the baffle plate.

Preferably, the plug bush set comprises an L-pole plug bush terminal and an N-pole plug bush terminal, the second socket unit comprises an independent bin and a mounting plate arranged in the independent bin, plug bush mounting through holes penetrating through the upper surface and the lower surface are formed in the lower end of the mounting plate, the number of the plug bush mounting through holes is two, the L-pole plug bush terminal and the N-pole plug bush terminal are respectively arranged in the plug bush mounting groove, an upward sliding groove is formed in the upper surface of the mounting plate, the sliding groove is positioned between the two plug bush mounting through holes, and the sliding groove is perpendicular to connecting lines of the two plug bush mounting through holes; the protection door assembly comprises a plugging mechanism and a reset mechanism, one end of the reset mechanism is connected with one end of the plugging mechanism, the other end of the reset mechanism is connected with the independent bin, the plugging mechanism is far away from one end of the reset mechanism and is provided with a trigger inclined plane, the height of the trigger inclined plane is gradually increased from the other end to the other end of the reset mechanism, the trigger inclined plane is two and is respectively located two above the plug bush installation through holes, two downward limit bosses are respectively arranged below the trigger inclined plane, the two limit bosses are respectively located above the plug bush installation through holes, the middle part of the lower surface of the plugging mechanism forms a supporting end face, the supporting end face is arranged in the sliding groove, and the lower surface of the plugging mechanism is located at the two ends of the supporting end face and the distance of the sliding groove is increased from inside to outside.

Preferably, the second socket unit includes an L-pole conductive member, an N-pole conductive member, and an E-pole conductive member, where an output end of the L-pole conductive member is provided with a plurality of L-pole plug terminals, an output end of the N-pole conductive member is provided with a plurality of N-pole plug terminals, an output end of the E-pole conductive member is provided with a plurality of E-pole plug terminals, plugs with the same polarity are arranged along a circumferential direction of the socket housing, and plugs with different polarities are arranged at intervals in a layer, and each plug group is composed of one L-pole plug terminal, one N-pole plug terminal, and one E-pole plug terminal; the second socket unit further comprises a plurality of insulating partition plates which are arranged in a layered mode, a plurality of insulating installation grooves which are arranged in a layered mode are formed when two adjacent insulating partition plates are matched, the L-pole plug bush terminal, the N-pole plug bush terminal and the E-pole plug bush terminal are installed in the insulating installation grooves, three connecting through holes are formed in the insulating partition plates, the input end of the L-pole conductive piece, the input end of the N-pole conductive piece and the input end of the E-pole conductive piece penetrate out of the insulating partition plates through the connecting through holes respectively, and the input end of the L-pole conductive piece, the input end of the N-pole conductive piece and the input end of the E-pole conductive piece are located on the same side.

Preferably, the second socket unit further comprises a first bin body and a second bin body matched with the first bin body, threaded connection holes are correspondingly formed in the first bin body and the second bin body, and the first bin body and the second bin body fix the first bin body and the second bin body through the threaded connection holes; the first bin body and the second bin body form an independent bin when being matched, and the independent bin is used for accommodating the insulating partition plate and the accommodating cavity of the conductive piece, and fixing the insulating partition plate and the conductive piece relative to the independent bin.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intentionally drawn to scale on actual size or the like, with emphasis on illustrating the principles of the invention.

Fig. 1 is a schematic structural diagram of a safety socket according to a first embodiment;

fig. 2 is a schematic structural diagram of the first socket unit, the second socket unit and the protection door assembly according to the first embodiment;

fig. 3 is a schematic structural diagram of a first socket unit according to the first embodiment;

fig. 4 is a schematic structural diagram of the first socket unit according to another view angle provided by the first embodiment;

fig. 5 is a schematic structural diagram of the first circuit board, the second circuit board and the stiffener according to the first embodiment;

fig. 6 is a schematic structural diagram of a second socket unit according to the first embodiment;

FIG. 7 is a schematic view showing the structure of the insulating spacer and the conductive member according to the first embodiment;

FIG. 8 is a schematic view of an insulating spacer and conductive member assembly provided in a first embodiment;

FIG. 9 is a schematic view of an insulating spacer, conductive member and independent cartridge assembly provided by the first embodiment;

FIG. 10 is a schematic view of the configuration of the first embodiment of the combination of the independent cartridge and the protective door assembly;

FIG. 11 is a cross-sectional view taken through A-A of FIG. 10;

fig. 12 is a view of a protective door assembly provided by the first embodiment;

fig. 13 is an assembly schematic diagram of the power connection mechanism and the second socket unit provided in the first embodiment;

fig. 14 is a cross-sectional view of the socket housing provided by the first embodiment;

fig. 15 is a schematic structural view of a safety socket according to a second embodiment;

fig. 16 is a schematic structural view of the second socket unit and the protection door assembly according to the second embodiment;

FIG. 17 is a schematic view of the structure of FIG. 16 from another perspective;

FIG. 18 is a cross-sectional view taken through A-A of FIG. 17;

FIG. 19 is a schematic view of the structure of the mounting plate, L-pole plug terminals, N-pole plug terminals and the protection door assembly according to the second embodiment;

fig. 20 is an assembled schematic view of fig. 19.

The attached drawings are identified: socket shell 100, mounting shell 101, mounting cover 102, jack 103, lead wire through hole 104, clamping mechanism 105 and limit back-off 106;

the socket comprises a first socket unit 200, a first circuit board 201, a second circuit board 202, a USB interface 203, a reinforcing rib 204, heat dissipation glue 205 and a heat dissipation fin 206;

the second socket unit 300, the plug bush set 301, the L-pole conductive member 302, the N-pole conductive member 303, the E-pole conductive member 304, the L-pole plug bush terminal 305, the N-pole plug bush terminal 306, the independent bin 307, the first bin 308, the second bin 309, the threaded connection hole 310, the screw 311, the insulating partition 312, the E-pole plug bush terminal 313, the mounting adaptation groove 314, the blocking piece 315, the plug fixing groove 316, the blocking groove 318, the plug bush mounting groove 319, the sliding groove 320, and the mounting plate 321;

the protective door assembly 400, the trigger mechanism 401, the blocking mechanism 402, the reset mechanism 403, the trigger inclined plane 404, the supporting end face 405, the limit boss 406 and the movable chute 407;

a power supply connection mechanism 500, a scratch-proof fixing sleeve 501, a power supply wire 502, a fixing clamp 503 and a bolt 504.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to and integrated with the other element or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The socket comprises a polyhedral socket shell 100, wherein the socket shell 100 is provided with a mounting cavity, and a plurality of jacks 103 communicated with the mounting cavity are formed in at least two side surfaces of the socket shell 100; the first socket unit 200, the first socket unit 200 is installed in the installation cavity, the first socket unit 200 includes a USB interface 203, and the USB interface 203 is arranged corresponding to a part of jacks 103 therein; the second socket unit 300, the second socket unit 300 is installed in the installation cavity, the second socket unit 300 includes a plug bush set 301, the plug bush set 301 is set up corresponding to jack 103 of another part; the protection door assembly 400. The protection door assembly 400 is arranged between the plug bush set 301 and the jack 103. The socket is in a polyhedral structure, and the side surfaces of the socket are respectively provided with a USB interface 203 and a plug bush set 301 for connecting a plurality of electric appliances. Since the device having the USB interface 203 corresponds to a separate hardware interface device, the first socket unit 200 is an adapter having the USB interface 203. The assembly efficiency can be improved while effectively using the space of the socket housing 100 by the independent design of the first socket unit 200 and the second socket unit 300. When a three-phase plug or a two-phase plug is inserted into the jack 103 and the plug bush set 301, the plug can trigger the protection door assembly 400 to realize the electrical connection between the plug and the plug bush set 301. When the plug is pulled out, and the protection door assembly 400 is in a free state, the protection door assembly 400 seals the jack 103 corresponding to the plug bush set 301, so that the protection function is achieved.

First embodiment

The safety socket of the present embodiment includes a socket housing 100, a first socket unit 200, a second socket unit 300, two protection door assemblies 400 and a power connection mechanism 500, wherein the same side of the first socket unit 200 is provided with 3 USB interfaces 203, and two opposite sides of the second socket unit 300 are respectively provided with a set of plug bush sets 301; wherein:

the socket housing 100 is the polyhedron, the socket housing 100 includes installation shell 101 and installation lid 102, set up on the installation shell 101 install the cavity and with the jack 103 of installation cavity intercommunication, socket housing 100 bottom is equipped with lead wire through-hole 104, the opening with installation cavity intercommunication has been seted up at the top, installation lid 102 can be covered on the opening, installation lid 102 passes through joint mechanism 105 and socket housing 100 fixed connection, joint mechanism 105 includes the draw-in groove that sets up on the installation lid 102 and the buckle that socket housing 100 set up, also set up on the installation lid 102 with jack 103 of USB interface 203 looks adaptation, jack 103 and plug bush group 301 looks adaptation on the both sides face of socket housing 100. The socket housing 100 inside wall is equipped with a plurality of spacing back-offs 106 along circumference direction, the radial looks adaptation of spacing back-offs 106 and second socket unit 300, spacing back-offs 106 thickness is by the one end that is close to the socket housing 100 top to the other end thickening gradually, the distance between spacing back-offs 106 and the socket housing 100 diapire highly looks adaptation of second socket unit 300, when second socket unit 300 inserts the bottom of locating socket housing 100, the lower surface of second socket unit 300 and the diapire butt of socket housing 100, the upper surface of second socket unit 300 and the lower surface butt of spacing back-offs 106, through such design, thereby make second socket unit 300 be fixed in socket housing 100, avoid second socket unit 300 to rock at socket housing 100 and influence the use, improve assembly efficiency simultaneously.

The first socket unit 200 includes a first circuit board 201, a second circuit board 202, a USB interface 203 and a reinforcing rib 204, where the first circuit board 201 and the second circuit board 202 are disposed at 90 ° and are electrically connected, a panel of the first circuit board 201 facing the mounting cover 102 is provided with a plurality of USB interfaces 203, and the second circuit board 202 is provided with a transformer and a capacitor, and the volume of the first socket unit is large because the USB charger needs several tens of components such as the transformer, the capacitor and the diode, if several tens of components are directly disposed on one circuit board, the size of the safety socket in one direction is too long, which further causes the space utilization of the safety socket to be not high, and by disposing several tens of components on the first circuit board 201 and the second circuit board 202 respectively, the above problems can be solved, but the first circuit board 201 and the second circuit board 202 are easy to rotate around the connection place, and the electrical connection stability of the two is affected, on the other hand, when the first circuit board 201 and the second circuit board 202 cannot be kept vertical, the insertion depth of the plurality of interfaces 203 on the first circuit board 201 is not consistent, and the insertion depth of the first circuit board 201 is not consistent with that the insertion depth of the USB interface 203 is not consistent when the USB interface is used, and the USB socket is not used, and the service life of the first socket unit is bad. The stiffener 204 is fixedly connected with the first circuit board 201 and the second circuit board 202 respectively to keep the first circuit board 201 perpendicular to the second circuit board 202, and meanwhile, when the mounting cover 102 is mounted on the opening of the mounting housing 101, the jack 103 on the mounting cover 102 is conveniently aligned with each SB interface, so as to improve the assembly efficiency. Furthermore, since the safety socket is a polyhedral socket, and further the space utilization rate is improved by the arrangement of the first circuit board 201 and the second circuit board 202, heat is also concentrated. Heat dissipation glue 205 such as heat conduction silica gel is filled between the heat dissipation fin 206 and the panel of the second circuit board 202, and because of numerous components on the circuit board and uneven height, the heat conduction silica gel can fill gaps between the components so as to increase the heat conduction area between the heat dissipation fin 206 and the components, thereby realizing efficient heat dissipation.

The second socket unit 300 includes a first bin 308, a second bin 309, an independent bin 307 formed by matching the first bin 308 and the second bin 309, an L-pole conductive member 302, an E-pole conductive member 304 and an L-pole plug terminal 305, where the first bin 308 and the second bin 309 correspond, threaded connection holes 310 are formed, the two are fixedly connected by screws 311, the independent bin 307 is used for accommodating an insulating partition 312 and a accommodating cavity of the conductive member, and the insulating partition 312 and the conductive member are fixed relative to the independent bin 307. The output end of the L pole conductive member 302 is provided with two L pole plug terminals 305, the output end of the N pole conductive member 303 is provided with two N pole plug terminals 306, the output end of the E pole conductive member 304 is provided with two E pole plug terminals 313, plugs with the same polarity are arranged along the circumferential direction of the socket housing 100, and the plugs with different polarities are arranged at intervals in a layered manner, each plug group 301 is composed of one L pole plug terminal 305, one N pole plug terminal 306 and one E pole plug terminal 313, the plug groups 301 can be formed by the plug terminals, and the two plug groups 301 can be respectively arranged on two opposite sides of the rectangular socket housing 100 so as to better arrange the plug groups 301 and the protection gate assembly 400 and better utilize the space. The second socket unit 300 further includes a plurality of insulating spacers 312 arranged in a layered manner, a plurality of insulating installation grooves are formed when two adjacent insulating spacers 312 are matched, the L-pole plug terminals 305, the N-pole plug terminals 306 and the E-pole plug terminals 313 are installed in the insulating installation grooves, three connecting through holes are formed in the insulating spacers 312, the connecting through holes are relatively isolated from the insulating installation grooves of each layer so as to ensure conductivity between the respective electrodes, the input end of the L-pole conductive member 302, the input end of the N-pole conductive member 303 and the input end of the E-pole conductive member 304 respectively pass through the insulating spacers 312 via the connecting through holes, and the input end of the L-pole conductive member 302, the input end of the N-pole conductive member 303 and the input end of the E-pole conductive member 304 are located on the same side so as to be welded with the power line 502. By bending the output end of the L-pole conductive member 302, the output end of the N-pole conductive member 303, and the output end of the E-pole conductive member 304 of the second socket unit 300 into three-layer socket terminals, the volume can be reduced, the space utilization can be improved, and the three-layer socket terminals and the insulating spacers 312 are arranged in layers, so that the insulating performance between the respective conductive members can be improved, the assembly efficiency can be improved, and the space utilization can be improved.

The protection door assembly 400 comprises a trigger mechanism 401, a trigger inclined surface 404, a blocking mechanism 402 and a reset mechanism 403, wherein the trigger mechanism 401 and the blocking mechanism 402 can be integrally formed, a T-shaped plate is formed by the trigger mechanism 401 and the blocking mechanism 402, the blocking mechanism 402 is a blocking plate, two ends of the blocking plate are respectively provided with an L-pole blocking end and an N-pole blocking end, the middle part of the blocking mechanism 402 is connected with one end of the trigger machine, the trigger mechanism 401 is provided with the trigger inclined surface 404 far away from the end connected with the blocking mechanism 402, the trigger inclined surface 404 is positioned in a jack 103 corresponding to an E-pole plug terminal 313, the distance between the trigger inclined surface 404 and the bottom of the jack 103 gradually increases from the connecting end to the other end, and the trigger mechanism 401 is provided with a movable chute 407 extending from the trigger inclined surface 404 to the connecting end; the first bin 308 and the second bin 309 are provided with a blocking piece 315 and an installation adapting groove 314 for installing the protection door assembly 400, the installation adapting groove 314 can enable the protection door assembly 400 to move in a preset direction, the protection door assembly 400 further comprises a reset mechanism 403, the reset mechanism 403 can be a reset spring or a reset elastic sheet, the reset mechanism 403 is generally provided in the movable chute 407 by adopting the reset spring, one end of the reset mechanism 403 is connected with the movable chute 407 close to the triggering inclined plane 404, and the other end is connected with the blocking piece 315. The trigger mechanism 401 has a trigger state and a free state, and when the trigger mechanism 401 is in the free state, the trigger mechanism 401 plugs the jack 103 corresponding to the E-pole plug terminal 313, and two ends of the plugging mechanism 402 plug the jack 103 corresponding to the L-pole plug terminal 305 and the N-pole plug terminal 306 respectively. When the plug is used, the E pole of the three-phase plug (generally in an English standard) is longer, the plug is firstly inserted into the jack 103 corresponding to the E pole plug terminal 313, the trigger inclined plane 404 of the trigger mechanism 401 is contacted, at the moment, the trigger mechanism 401 is in a trigger state, one end of the reciprocating mechanism 403 of the trigger mechanism 401 and the plugging mechanism 402 moves, and the reset mechanism 403 is compressed, so that the trigger mechanism 401 is opened compared with the jack 103 corresponding to the E pole plug terminal 313, the plugging mechanism 402 is opened compared with the jack 103 corresponding to the L pole plug terminal 305 and the N pole plug terminal 306, and the three-phase plug can be respectively connected to the L pole plug terminal 305, the N pole plug terminal 306 and the E pole plug terminal. When the three-phase plug is pulled out from the plug bush set 301, the protective door assembly 400 is reset under the action of the restoring force of the reset mechanism 403, the trigger mechanism 401 is in a free state again, and two ends of the plugging mechanism 402 are plugged into the corresponding plug holes 103 of the L-pole plug bush terminal 305 and the N-pole plug bush terminal 306 respectively. With the above design, the contact trigger mechanism 401 can be triggered only when inserted from the insertion hole 103 corresponding to the E-pole plug terminal, and if the L-pole plug terminal 305 and the N-pole plug terminal 306 are inserted into the insertion hole 103 corresponding to the L-pole plug terminal 305 and the N-pole plug terminal 306 by hand or other inserts alone, and the trigger mechanism 401 cannot be triggered at the same time. Through the arrangement, the safety of a user can be ensured, and the child is prevented from touching and misplug electric shock.

The power supply connection mechanism 500 comprises a scratch-proof fixing sleeve 501, a power supply wire 502 and a fixing clamp 503, wherein one end of the power supply wire 502 is provided with a three-phase plug which can be connected with a power supply, the scratch-proof fixing sleeve 501 is sleeved on the periphery of the power supply wire 502, the fixing clamp 503 is clamped on the periphery of one end of the power supply wire 502, which is close to the second socket unit 300, and the fixing clamp 503 is detachably arranged on the second socket through bolts and bolt holes; when in use, the other end of the power cord 502 penetrates through the lead through hole 104 at the bottom of the socket housing 100, penetrates through the mounting cavity, then extends out of the opening of the socket housing 100, and is welded with the input end of the L-pole conductive piece 302, the input end of the N-pole conductive piece 303 and the input end of the E-pole conductive piece 304 of the second socket unit 300 respectively, after the power connection mechanism 500 and the first socket unit 200 are completed, the first socket unit 200 and the second socket unit 300 are electrically connected through wire welding, then the second socket unit 300 and the first socket unit 200 are sequentially mounted to the mounting cavity of the socket housing 100, and finally the mounting cover 102 is mounted to the socket housing 100 to complete the whole mounting step.

By the above arrangement and cooperation of the socket housing 100, the second socket unit 300, the protection door assembly 400 and the power connection mechanism 500, the overall volume of the safety socket can be reduced by 15-25% compared with the prior art when the same jack 103 is provided, the assembly time can be reduced by 20-30%, and the manual use can be reduced during assembly.

Second embodiment

The safety socket of the present embodiment includes a socket housing 100, a first socket unit 200, a second socket unit 300, a protection door assembly 400 and a power connection mechanism 500, wherein the same side of the first socket unit 200 is provided with 3 USB interfaces 203, one side of the second socket unit 300 is provided with a set of plug bush sets 301, and the corresponding socket housing 100 is provided with a set of plug jacks 103; the second embodiment is most different from the first embodiment in that the second socket unit 300 and the protection door assembly 400 are structurally different; wherein:

the plug bush set 301 includes an L-pole plug bush terminal 305 and an N-pole plug bush terminal 306, and the first receptacle unit 200 includes an independent compartment 307 and a mounting plate 321 provided in the independent compartment 307. The lower end of the mounting plate 321 is provided with two plug bush mounting through holes penetrating through the upper surface and the lower surface, the L-pole plug bush terminal 305 and the N-pole plug bush terminal 306 are respectively mounted in the plug bush mounting groove 319, the upper surface of the mounting plate 321 is provided with an upward sliding groove 320, the sliding groove 320 is positioned between the two plug bush mounting through holes, and the sliding groove 320 is perpendicular to the connecting lines of the two plug bush mounting through holes; the protection door assembly 400 comprises a blocking mechanism 402 and a reset mechanism 403, one end of the reset mechanism 403 is connected with one end of the blocking mechanism 402, the other end of the reset mechanism 403 is connected with the independent bin 307, one end, far away from the reset mechanism 403, of the blocking mechanism 402 is provided with a trigger inclined plane 404, the height of the trigger inclined plane 404 gradually increases from the other end from one end far away from the reset mechanism 403, the number of the trigger inclined planes 404 is two and are respectively located above two plug bush installation through holes, downward limit bosses 406 are respectively arranged below the two trigger inclined planes, the number of the limit bosses 406 is two and are respectively located above the two plug bush installation through holes, the middle part of the lower surface of the blocking mechanism 402 forms a supporting end face 405, the supporting end face 405 is arranged in a sliding groove 320, the lower surface of the blocking mechanism 402 is located at two ends of the supporting end face 405, and the distance between the lower surface and the sliding groove 320 is increased from inside to outside. Through the design, the two ends of the plugging mechanism 402, which are positioned on the L-pole plug terminal 305 and the N-pole plug terminal 306, and the sliding grooves 320 on the mounting plate 321 form a tilting rod, when a downward force is applied to one of the triggering inclined planes 404, the lower limiting boss 406 moves downwards and stretches into the mounting through hole to block the reciprocating movement of the plugging mechanism 402 in the direction of the reciprocating mechanism 403, the other triggering inclined plane 404 moves upwards around the supporting point with the sliding grooves 320 and the supporting end surface 405, the upper surface of the mounting plate 321 and the lower surface of the top wall of the independent bin 307 can block the plugging mechanism 402 from further up-down movement, and the plugging mechanism 402 is in a locking state. The blocking mechanism 402 thus has a triggered state, a free state and a locked state, and when the blocking mechanism 402 is in the free state, the blocking mechanism 402 blocks the two insertion holes 103 respectively. When a two-phase plug or a plug such as an European plug is inserted into two jacks 103 and acts on two trigger inclined planes 404, the trigger inclined planes 404 corresponding to the L-pole plug terminal 305 are respectively subjected to two component forces towards the L-pole plug terminal 305 and the reset mechanism 403, the trigger inclined planes 404 corresponding to the N-pole plug terminal 306 are respectively subjected to two component forces towards the N-pole plug terminal 306 and the reset mechanism 403, when the forces towards the two ends of the L-pole plug terminal 305 and the N-pole plug terminal 306 are the same or have very small differences, as the two ends of the blocking mechanism 402 and the sliding grooves 320 on the mounting plate 321 form a tilted rod, the downward directions of the two trigger inclined planes 404 mutually offset, the blocking mechanism 402 does not move downwards, and the whole effect is that the blocking mechanism 402 is opened along one end of the reset mechanism 403, compared with the jacks 103 corresponding to the L-pole plug terminal 305 and the N-pole plug terminal 306 when the blocking mechanism 402 is in a triggered state, and the blocking mechanism 402 can be connected with an electrical appliance. Through the above-mentioned overall design, if the hand or other inserts are independently inserted in the jack 103 corresponding to the L pole plug terminal 305 and the N pole plug terminal 306, the safety door can not be opened, so that the safety of the user can be ensured, and the child can be prevented from touching and misplug. Meanwhile, the plugging mechanism 402 and the sliding groove 320 on the mounting plate 321 form a tilting rod, the limiting boss 406 and the mounting through hole are matched to generate limiting effect, and the mounting plate 321 and the independent bin 307 form limiting effect on the plugging mechanism 402, so that the safety door has a higher stress structure, violent damage to children is prevented, and electric shock to the children is further prevented.

Further, the contact surface of the sliding groove 320 with the supporting end surface 405 is coated with a lubricant wax to make the reciprocating movement of the protective door assembly 400 on the sliding groove 320 smoother. Further, a plug fixing groove 316 is formed at one end of the independent bin 307 located on the plug bush set 301, an E-pole plug bush terminal 313 and a clamping groove 318 are respectively formed on the side wall of the plug fixing groove 316, a plug through hole is formed at the bottom wall of the plug fixing groove 316 corresponding to the trigger inclined plane 404, and the clamping groove 318 is used for clamping an euro-rule plug.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to the terms "preferred embodiment," "further embodiment," "other embodiments," or "specific examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims

1. A safety socket, the safety socket comprising:

the protection door assembly is arranged between the plug bush assembly and the jack, the protection door assembly has a triggering state and a free state, when the protection door assembly is in the free state, the protection door assembly plugs the jack corresponding to the plug bush assembly, and when the protection door assembly is in the triggering state, the protection door assembly is respectively opened compared with the jack to enable the plug bush assembly to be exposed;

the first socket unit comprises a first circuit board, a second circuit board and reinforcing ribs, the first circuit board and the second circuit board are respectively arranged along a first direction and a second direction of the socket shell, the reinforcing ribs are respectively fixedly connected with the first circuit board and the second circuit board, a plurality of USB interfaces are formed in one panel of the first circuit board, and when the first socket unit is installed in the installation cavity, the distance between the end face of each USB interface and the bottom surface of a jack which is correspondingly arranged is matched;

the first circuit board and the second circuit board are arranged at an included angle, and the included angle of the acute angle formed by the first circuit board and the second circuit board is alpha, and the included angle is more than or equal to 88 degrees and less than or equal to 90 degrees;

the first circuit board is electrically connected with the second circuit board;

the first socket unit further comprises a radiating fin and radiating glue, the radiating fin is coated on the periphery of the second circuit board, and the radiating glue is filled between the radiating fin and the panel of the second circuit board;

the socket shell comprises a mounting shell and a mounting cover, the mounting shell is a cylinder with a mounting cavity, an opening matched with the mounting cover is formed in the top of the socket shell and communicated with the mounting cavity, and a lead through hole is formed in the bottom of the socket shell; the safety socket further comprises a power supply connecting mechanism, wherein one end of the power supply connecting mechanism penetrates through the lead through hole and can extend out of the opening from the mounting cavity;

the power supply connection mechanism comprises a scratch-resistant fixing sleeve, a power supply wire and a fixing clamp, one end of the power supply wire is electrically connected with the second socket unit, and the second socket unit is electrically connected with the first socket unit; the fixing clamp is clamped at the periphery of one end, close to the second socket unit, of the power line, and the fixing clamp is detachably installed on the second socket; the scraping-proof fixing sleeve is sleeved on the periphery of the power line, one end of the scraping-proof fixing sleeve is installed on the second socket, and the radius of one end of the scraping-proof fixing sleeve, which is far away from the second socket, is smaller than the radius of the lead through hole;

the plug bush set comprises an L-pole plug bush terminal and an N-pole plug bush terminal, the second socket unit comprises an independent bin and a mounting plate arranged in the independent bin, plug bush mounting through holes penetrating through the upper surface and the lower surface are formed in the lower end of the mounting plate, the number of the plug bush mounting through holes is two, the L-pole plug bush terminal and the N-pole plug bush terminal are respectively arranged in the plug bush mounting grooves, an upward sliding groove is formed in the upper surface of the mounting plate, the sliding groove is positioned between the two plug bush mounting through holes, and the sliding groove is perpendicular to connecting lines of the two plug bush mounting through holes; the protection door assembly comprises a plugging mechanism and a reset mechanism, one end of the reset mechanism is connected with one end of the plugging mechanism, the other end of the reset mechanism is connected with the independent bin, one end of the plugging mechanism, which is far away from the reset mechanism, is provided with a trigger inclined plane, the height of the trigger inclined plane gradually increases from the other end of the reset mechanism, two trigger inclined planes are respectively positioned above two plug bush mounting through holes, downward limit bosses are respectively arranged below the two trigger inclined planes, the limit bosses are respectively positioned above the two plug bush mounting through holes, the middle part of the lower surface of the plugging mechanism forms a supporting end face, the supporting end face is arranged in the sliding groove, the lower surface of the plugging mechanism is positioned at the two ends of the supporting end face, and the distance between the lower surface of the plugging mechanism and the sliding groove is increased from inside to outside;

the contact surface of the sliding groove and the supporting end surface is coated with lubricating wax;

the upper surface of the mounting plate and the lower surface of the top wall of the independent bin can block the blocking mechanism from moving up and down, and the blocking mechanism is in a locking state; the independent bin is provided with a plug fixing groove at one end of the plug bush group, an E-pole plug bush terminal and a clamping groove are respectively arranged on the side wall of the plug fixing groove, a plug through hole is arranged at the bottom wall of the plug fixing groove corresponding to the triggering inclined plane, and the clamping groove is used for clamping the European plug;

the second socket unit comprises an L-pole conductive piece, an N-pole conductive piece and an E-pole conductive piece, wherein the output end of the L-pole conductive piece is provided with a plurality of L-pole plug terminals, the output end of the N-pole conductive piece is provided with a plurality of N-pole plug terminals, the output end of the E-pole conductive piece is provided with a plurality of E-pole plug terminals, plugs with the same polarity are arranged along the circumferential direction of the socket shell, the plugs with different polarities are arranged at intervals in a layered manner, and each plug group consists of one L-pole plug terminal, one N-pole plug terminal and one E-pole plug terminal; the second socket unit further comprises a plurality of insulating partition boards which are arranged in a layered mode, a plurality of insulating installation grooves which are arranged in a layered mode are formed when two adjacent insulating partition boards are matched, the L-pole plug bush terminal, the N-pole plug bush terminal and the E-pole plug bush terminal are installed in the insulating installation grooves, three connecting through holes are formed in the insulating partition boards, the input end of the L-pole conducting piece, the input end of the N-pole conducting piece and the input end of the E-pole conducting piece penetrate out of the insulating partition boards through the connecting through holes respectively, and the input end of the L-pole conducting piece, the input end of the N-pole conducting piece and the input end of the E-pole conducting piece are located on the same side;

the second socket unit further comprises a first bin body and a second bin body matched with the first bin body, threaded connection holes are correspondingly formed in the first bin body and the second bin body, and the first bin body and the second bin body fix the first bin body and the second bin body through the threaded connection holes; the first bin body and the second bin body form an independent bin when being matched, and the independent bin is used for accommodating the insulating partition plate and the accommodating cavity of the conductive piece, and fixing the insulating partition plate and the conductive piece relative to the independent bin.