Anti-overload switch socket

Abstract

The utility model relates to the technical field of switch sockets, and provides an anti-overload switch socket, which comprises a packaging shell, a power connection piece, a power receiving piece and a protection button, the thermal bimetallic strip with elastic and thermal deformation functions is used as a conductive bridge to connect the L-pole incoming line insertion piece and the power receiving piece, so that on one hand, a conductive loop communicated between the power connection piece and the power receiving piece is supported; and on the other hand, when the socket is overloaded, the thermal deformation of the thermal bimetallic strip is utilized to separate from the second conductive end, the circuit connection between the power connection piece and the power receiving piece is disconnected, and the socket circuit is in an open circuit protection state to realize overload protection. The protection button in abutting connection with the elastic connecting sheet is arranged, if the socket is overloaded, the thermal bimetallic strip drives the protection button to pop up, and overload indication is carried out; meanwhile, the socket can be switched on again only after the protection button is manually pressed down, so that the safety of the socket is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of switch sockets, in particular to an overload - proof switch socket. Background Technique

[0002] A socket, also known as a power socket or a switch socket. A socket refers to a base into which one or more circuit wiring can be inserted. Through it, various wirings can be inserted, so as to facilitate connection with other circuits. By connecting and disconnecting between the circuit and the copper parts, the on - off of this part of the circuit can be finally achieved.

[0003] A switch socket is a socket that can conveniently control the on - off of a power circuit.

[0004] During the use of electrical equipment, the plug of the electrical equipment needs to be inserted into the socket to make the electrical equipment work with power on. However, as the electrical appliances connected to the socket gradually increase, the load on the socket will increase, and the existing sockets lack protection devices, which are prone to potential safety hazards. Summary of the Invention

[0005] The utility model provides an overload - proof switch socket, which solves the technical problem that the existing switch socket lacks an overload protection structure and has potential safety hazards.

[0006] To solve the above - mentioned technical problems, the utility model provides an overload - proof switch socket, which includes a packaging shell, a power - connecting part, a power - receiving part and a protection button; the power - receiving part is arranged in the middle of the inner cavity of the packaging shell, and a second conductive end in contact with the power - connecting part is arranged on one side; one end of the power - connecting part is connected to an external power supply, and the other end is an elastic connecting piece. The elastic connecting piece is provided with a first conductive end facing the power - receiving part; the protection button is movably inserted on the packaging shell, and the first conductive end and the second conductive end are arranged in sequence on the moving path of the inserted end of the protection button.

[0007] When the socket is overloaded, the elastic connecting piece deforms to eject the protection button, disconnecting the circuit connection between the power - connecting part and the power - receiving part, and the socket circuit is in an open - circuit protection state.

[0008] In a further embodiment, one end of the power - connecting part is an L - pole incoming - line insert piece connected to an external power supply; the elastic connecting piece is a thermal bimetal sheet, and a silver - riveted point is arranged on the side of its end facing the power - receiving part to form a first conductive end corresponding to the second conductive end; an engaging part is further arranged at the end of the elastic connecting piece, and the engaging part is movably connected to the protection button; or, a butting position is further arranged at the end of the elastic connecting piece, and the butting position abuts against the protection button.

[0009] In a further embodiment, the power receiving member includes a socket E-pole socket sleeve, a socket L-pole socket sleeve, and a socket N-pole socket sleeve; the socket E-pole socket sleeve is centrally installed, and the socket L-pole socket sleeve and the socket N-pole socket sleeve are respectively provided on both sides; one end of the socket L-pole socket sleeve is bent outward laterally and provided with a riveted silver point facing the elastic connecting piece to form the second conductive end.

[0010] In a further embodiment, the protection button is horizontally installed on the side wall of the encapsulation housing, the outer side thereof is a pressing table surface fitted with the side wall of the encapsulation housing, and the lower part of the inner side extends downward to form a slider; an installation position is formed between two adjacent groups of sliders, the fitting part is inserted into the installation position, and the slider reciprocates on the encapsulation housing along a predetermined track.

[0011] In a further embodiment, the encapsulation housing includes a protection door bracket, and a plug-in position is provided in the middle of the protection door bracket; a plurality of jacks are provided on the plug-in position for a load to access the power receiving member, and the outer side bulges upward to form a surrounding isolation plate; a guiding track is further provided on the outer side of the isolation plate, the middle of the guiding track penetrates, and both sides bulge upward to support the protection button; the slider slides horizontally along the guiding track;

[0012] When the socket is working normally, the protection button is flush with the side wall of the encapsulation housing, and the first conductive end and the second conductive end are in close contact under the pressing of the slider; when the socket is overloaded, the elastic connecting piece deforms and ejects outward, disconnecting the circuit connection between the power connecting member and the power receiving member, driving the protection button to pop out, and the socket circuit is in an open-circuit protection state.

[0013] In a further embodiment, the protection button is vertically inserted into the encapsulation housing, the upper part thereof is a pressing table surface, and the lower part thereof extends downward to form a columnar structure and is inserted into the inner cavity of the encapsulation housing and abuts against the first conductive end; the pressing table surface includes a horizontal surface and a vertical surface bent downward.

[0014] In a further embodiment, the encapsulation housing includes a protection door bracket, a plug-in position is provided on one side of the protection door bracket, and a pressing position is provided on the other side; a plurality of jacks are provided on the plug-in position for a load to access the power receiving member, and the outer side bulges upward to form a surrounding isolation plate; the pressing position includes a guiding cylinder and a guiding block bulging upward, a through hole is formed through the inside of the guiding cylinder, and the guiding block is a rib provided on the edge of the protection door bracket;

[0015] The lower part of the protection button is embedded in the guiding cylinder, passes through the protection door bracket and abuts against the first conductive end, and the inner side wall of the vertical surface of the pressing table surface closely abuts against the outer side wall of the guiding block;

[0016] When the socket is working normally, the protection button is pressed down below the top surface of the packaging shell, and the first conductive end and the second conductive end are in close contact under the pressure of the protection button; when the socket is overloaded, the elastic connecting piece is deformed and lifted upward, disconnecting the circuit connection between the power receiving part and the power receiving part, driving the protection button to pop up upward, and the socket circuit is in a circuit breaker protection state.

[0017] In a further embodiment, the packaging shell includes a socket panel and a socket back seat, and the socket panel, the protective door bracket, and the socket back seat are installed in sequence; the inner cavity of the socket back seat is provided with an upwardly protruding limit plate, and a limit space is formed between the limit plates to fix the power connection component and the power receiving component.

[0018] The beneficial effects of this embodiment are as follows:

[0019] (1) Based on the overload protection requirements of existing switch sockets, a thermal bimetal strip with elastic and thermal deformation functions is used as a conductive bridge to connect the L-pole incoming line plug and the power receiving part. On the one hand, it supports the connection of the conductive circuit between the power receiving part and the power receiving part; on the other hand, when the socket is overloaded, the thermal deformation of the thermal bimetal strip is used to detach the second conductive end, thereby disconnecting the circuit connection between the power receiving part and the power receiving part, and the socket circuit is in a circuit breaker protection state, thereby achieving overload protection.

[0020] (2) A protection button is provided which is in contact with the elastic connection piece. If the socket is overloaded, the protection button is driven to pop out by the thermal bimetallic strip to indicate the overload, thereby effectively reminding the user to remove the overload. At the same time, after the overload is removed, the corresponding switch socket will only be turned on again after the protection button is manually pressed, thereby further improving the safety of the socket.

[0021] (3) An overload protection device is set according to different types of sockets, and protection buttons that move in the vertical direction and in the axial direction are respectively set, and corresponding protection door brackets are set to meet the installation requirements of different scenarios; a guide track is set to pass through the opening to guide the slider to reciprocate along the predetermined track; or a vertically installed protection button is set, and a guide cylinder is configured to pass through the middle to guide the protection button to move up and down in the vertical direction, so that the first guide end is on the movement path of the protection button, and the socket is turned on and overload protection is achieved through the interaction between the protection button and the first conductive end. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is an exploded view of an anti-overload switch socket provided in Example 1 of the utility model;

[0023] Figure 2 This is a schematic diagram of the connection between the protection button and the fitting portion 14a provided in Embodiment 1 of the present utility model;

[0024] Figure 3 is the top view of the overload protection provided by Embodiment 1 of the present utility model;

[0025] Figure 4 is the three-dimensional structure diagram of a partial structure provided by Embodiment 1 of the present utility model;

[0026] Figure 5 is the assembly schematic diagram provided by Embodiment 1 of the present utility model;

[0027] Figure 6 is the schematic diagram of another embodiment of the second conductive end 24 provided by Embodiment 1 of the present utility model;

[0028] Figure 7 is the exploded view of an overload protection switch socket provided by Embodiment 2 of the present utility model.

[0029] Figure 8 is the connection schematic diagram of the protection button and the abutting position 14b provided by Embodiment 2 of the present utility model;

[0030] Figure 9 is the three-dimensional structure diagram of a partial structure provided by Embodiment 2 of the present utility model;

[0031] Figure 10 is the cross-sectional view of a partial structure provided by Embodiment 2 of the present utility model;

[0032] Figure 11 is the assembly schematic diagram provided by Embodiment 2 of the present utility model. Detailed implementation manners

[0033] The following specifically illustrates the implementation manners of the present utility model in conjunction with the accompanying drawings. The given embodiments are only for illustrative purposes and should not be construed as a limitation to the present utility model. The accompanying drawings are only for reference and illustration, and do not constitute a limitation to the scope of patent protection of the present utility model, because many changes can be made to the present utility model without departing from the spirit and scope of the present utility model.

[0034] Example 1

[0035] The reference numerals in the accompanying drawings of the embodiments of the present utility model include: encapsulation housing A; power connection member 1, L-pole incoming line insert piece 11, elastic connection piece 12, first conductive end 13, fitting part 14a; power receiving member 2, socket E-pole socket 21, socket L-pole socket 22, socket N-pole socket 23, second conductive end 24; protection button 3, pressing table surface 31a, slider 32a; protection door bracket 4, partition plate 41a, guiding track 42a; socket panel 5; socket rear seat 6, limiting plate 61.

[0036] An overload protection switch socket provided by an embodiment of the present utility model, such asFigures 1 to 6 As shown, in this embodiment, it includes an encapsulation housing A, a power connection member 1, a power receiving member 2, and a protection button 3; the power receiving member 2 is arranged in the middle of the inner cavity of the encapsulation housing A, and a second conductive end 24 in contact with the power connection member 1 is provided on one side; one end of the power connection member 1 is connected to an external power supply, and the other end is an elastic connection piece 12, and a first conductive end 13 is arranged on the elastic connection piece 12 facing the power receiving member 2; the protection button 3 is movably inserted on the encapsulation housing A, and the first conductive end 13 and the second conductive end 24 are arranged in sequence on the moving path of its insertion end.

[0037] When the socket is overloaded, the elastic connection piece 12 deforms and ejects the protection button 3, disconnecting the circuit connection between the power connection member 1 and the power receiving member 2, and the socket circuit is in an open circuit protection state.

[0038] In this embodiment, referring to Figure 2 , one end of the power connection member 1 is an L-pole incoming line insertion piece 11 connected to an external power supply; the elastic connection piece 12 is a thermal bimetal sheet, and a silver riveting point is arranged on the side of its end facing the power receiving member 2 to form a first conductive end 13 corresponding to the second conductive end 24; an engaging portion 14a is further provided at the end of the elastic connection piece 12, and the engaging portion 14a is movably connected to the protection button 3.

[0039] Among them, the engaging portion 14a is a convex structure arranged on the upper part of the end of the elastic connection piece 12.

[0040] In this embodiment, the power receiving member 2 includes a socket E-pole socket 21, a socket L-pole socket 22, and a socket N-pole socket 23; the socket E-pole socket 21 is installed in the middle, and the socket L-pole socket and the socket N-pole socket are respectively arranged on both sides; one end of the socket L-pole socket 22 is bent outward laterally and provided with a silver riveting point facing the elastic connection piece 12 to form a second conductive end 24.

[0041] Among them, the silver riveting point on the second conductive end 24 is arranged outward, facing the first conductive end 13 arranged on the elastic connection piece 12. In this embodiment, the protection button 3 is horizontally installed on the side wall of the encapsulation housing A, its outer side is a pressing table surface 31a fitted with the side wall of the encapsulation housing A, and the lower part of the inner side extends downward to form a slider 32a; an installation position is formed between two adjacent groups of sliders 32a, the engaging portion 14a is inserted into the installation position, and the slider 32a reciprocates on the encapsulation housing A along a predetermined track.

[0042] In this embodiment, the encapsulation housing A includes a protection door bracket 4, and a plugging position is provided in the middle of the protection door bracket 4; a plurality of jacks are provided on the plugging position for a load to access the power receiving member 2, and an annular isolation plate 41a bulges upward on the outside; a guiding track 42a is further provided on the outside of the isolation plate 41a, the middle of the guiding track 42a is penetrated, and both sides bulge upward to support the protection button 3; the slider 32a slides horizontally along the guiding track 42a;

[0043] See also Figure 3 I Figure, Figure 4 In Figure I, when the socket is working normally, the protection button 3 is flush with the side wall of the packaging shell A, and the second conductive end 24 is in close contact with the first conductive end 13 under the pressure of the slider 32a. At this time, the load plug pin is inserted to realize the load power supply function.

[0044] See also Figure 3 II Figure, Figure 4 In Figure II, when the socket is overloaded, the elastic connecting piece 12 is deformed and pushed outward, disconnecting the circuit connection between the power receiving part 1 and the power receiving part 2, driving the protection button 3 to pop out, and the socket circuit is in a circuit breaker protection state. When the overload is removed, press the protection button 3 to restore the normal power state.

[0045] See also Figure 6 , changing the relative position, shape, and rivet point position of the protection button 3, the L-pole incoming line plug 11, the thermal bimetallic strip, and the socket L-pole plug sleeve 22, the resulting solution is also covered by the solution of this embodiment.

[0046] In this embodiment, the packaging shell A includes a socket panel 5 and a socket back seat 6, and the socket panel 5, the protective door bracket 4, and the socket back seat 6 are installed in sequence; the inner cavity of the socket back seat 6 is provided with an upwardly protruding limit plate 61, and a limit space is formed between the limit plates 61 to fix the installation of the power receiving component 1 and the power receiving component 2.

[0047] The beneficial effects of the embodiments of the utility model are as follows:

[0048] (1) Based on the overload protection requirements of existing switch sockets, a thermal bimetal strip with elastic and thermal deformation functions is used as a conductive bridge to connect the L-pole incoming line plug 11 and the power receiving part 2. On the one hand, it supports the conductive circuit between the power receiving part 1 and the power receiving part 2; on the other hand, when the socket is overloaded, the thermal deformation of the thermal bimetal strip is used to separate from the second conductive end 24, disconnecting the circuit connection between the power receiving part 1 and the power receiving part 2, and the socket circuit is in a circuit breaker protection state, thereby achieving overload protection.

[0049] (2) A protection button 3 is provided which is in contact with the elastic connection piece 12. If the socket is overloaded, the protection button 3 is driven to pop out by the thermal bimetallic strip to indicate the overload, thereby effectively reminding the user to remove the overload fault. At the same time, after the overload is removed, the corresponding switch socket will only be turned on again after the protection button 3 is manually pressed, further improving the safety of the socket.

[0050] (3) Set the overload protection device according to different types of sockets. A protection button 3 that moves along the axial direction is set, and a corresponding protection door bracket 4 is set to meet the installation requirements of different scenarios; a guiding track 42a penetrating the opening is set to guide the slider 32a to reciprocate along the established track; the first guiding end is on the movement path of the protection button 3, and through the interaction between the protection button 3 and the first conductive end 13, the conduction and overload protection of the socket are realized.

[0051] In this embodiment, the overload protection structure set in the switch socket of this embodiment is adapted to various different specifications of socket hole types, including but not limited to American standard, British standard, etc.

[0052] Example 2

[0053] The reference numerals in the attached drawings of the embodiments of the present utility model include: a packaging shell A; a power connection member 1, an L-pole incoming line insert piece 11, an elastic connection piece 12, a first conductive end 13, an abutting position 14b; a power receiving member 2, a socket E-pole socket 21, a socket L-pole socket 22, a socket N-pole socket 23, a second conductive end 24; a protection button 3, a pressing table surface 31b, a columnar structure 32b; a protection door bracket 4, a partition plate 41b, a guiding cylinder 42b, a guiding block 43b; a socket panel 5; a socket rear seat 6.

[0054] A kind of overload protection switch socket provided by the embodiment of the present utility model, as Figures 7 to 11 shown, in this embodiment, the difference from Embodiment 1 is:

[0055] An abutting position 14b is further provided at the end of the elastic connection piece 12, and the abutting position 14b abuts against the protection button 3. The lower part of the abutting position 14b is fixed on the front surface of the elastic connection piece 12, and the upper part is horizontally bent to form a plane abutting against the protection button 3; preferably, a groove recessed inward can be set on the bottom surface of the protection button 3 according to needs to cooperate with the abutting position 14b.

[0056] Among them, the silver riveting point on the second conductive end 24 is set upward, facing the first conductive end 13 arranged towards the elastic connection piece 12.

[0057] The protection button 3 is vertically inserted into the packaging shell A. Its upper part is a pressing table surface 31b, and its lower part extends downward to form a columnar structure 32b and is inserted into the inner cavity of the packaging shell A and abuts against the abutting position 14b; the pressing table surface 31b includes a horizontal plane and a vertical plane bent downward.

[0058] In this embodiment, the encapsulation housing A includes a protection door bracket 4. One side of the protection door bracket 4 is provided with a plug-in position, and the other side is provided with a pressing position. A plurality of jacks are provided on the plug-in position for the load to access the power receiving member 2, and an upward convex surrounding isolation plate 41b is formed on the outside. The pressing position includes an upward convex guiding cylinder 42b and a guiding block 43b. A through hole is formed through the inside of the guiding cylinder 42b, and the guiding block 43b is a rib provided on the edge of the protection door bracket 4.

[0059] The lower part of the protection button 3 is embedded in the guiding cylinder 42b, passes through the protection door bracket 4 and abuts against the abutting position 14b. The inner side wall of the vertical surface of the pressing table 31b closely abuts against the outer side wall of the guiding block 43b.

[0060] See Figure 9 Figure I in Figure 10 Figure I in. When the socket works normally, the protection button 3 is pressed down below the top surface of the encapsulation housing A, and the first conductive end 13 and the second conductive end 24 are in close contact under the pressing of the protection button 3. At this time, when the load plug pin is inserted, the load power taking function can be realized.

[0061] See Figure 9 Figure II in Figure 10 Figure II in. When the socket is overloaded, the elastic connecting piece 12 deforms and lifts upward, the first conductive end 13 and the second conductive end 24 are separated, the circuit connection between the power connecting member 1 and the power receiving member 2 is disconnected, and the protection button 3 is driven to pop up upward. The socket circuit is in an open circuit protection state. When the overload is removed, press the protection button 3 to restore the normal power-on state.

[0062] In the embodiment of the present utility model, an overload protection device is set according to different types of sockets. A protection button 3 moving in the vertical direction is respectively set, and a corresponding protection door bracket 4 is cooperatively set to meet the installation requirements of different scenarios. The vertically installed protection button 3 is configured with a guiding cylinder 42b penetrating through the middle to guide the protection button 3 to move up and down in the vertical direction, so that the first guiding end is on the movement path of the protection button 3. Through the interaction between the protection button 3 and the first conductive end 13, the conduction and overload protection of the socket are realized.

[0063] In this embodiment, the overload protection structure set in the switch socket in this embodiment is adapted to various different specifications of socket hole types, including but not limited to American standard, British standard, etc.

[0064] The above embodiments are the preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited by the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principle of the present utility model shall be equivalent replacement methods and are all included in the protection scope of the present utility model.

Claims

1. A overload protection switch socket, characterized in that: It includes an encapsulation housing, a power connection component, a power receiving component, and a protection button; the power receiving component is arranged in the middle of the inner cavity of the encapsulation housing, and a second conductive end in contact with the power connection component is provided on one side; one end of the power connection component is connected to an external power supply, and the other end is an elastic connection piece, and a first conductive end is arranged on the elastic connection piece facing the power receiving component; the protection button is movably inserted on the encapsulation housing, and the first conductive end and the second conductive end are arranged in sequence on the moving path of the insertion end thereof. When the socket is overloaded, the elastic connection piece deforms and ejects the protection button, disconnecting the circuit connection between the power connection component and the power receiving component, and the socket circuit is in an open-circuit protection state.

2. The overload protection switch socket according to claim 1, characterized in that: One end of the power connection component is an L-pole incoming line insertion piece connected to an external power supply; the elastic connection piece is a thermal bimetal sheet, and a riveted silver point is arranged on the side of its end facing the power receiving component to form a first conductive end corresponding to the second conductive end; an engaging portion is further provided at the end of the elastic connection piece, and the engaging portion is movably connected to the protection button; alternatively, a butting position is further provided at the end of the elastic connection piece, and the butting position abuts against the protection button.

3. The overload protection switch socket according to claim 2, characterized in that: The power receiving component includes a socket E-pole socket, a socket L-pole socket, and a socket N-pole socket; the socket E-pole socket is installed in the middle, and the socket L-pole socket and the socket N-pole socket are respectively arranged on both sides; one end of the socket L-pole socket bends outward laterally and is provided with a riveted silver point facing the elastic connection piece to form the second conductive end.

4. The overload protection switch socket according to claim 3, characterized in that: The protection button is horizontally installed on the side wall of the encapsulation housing, and its outer side is a pressing table surface fitted with the side wall of the encapsulation housing, and the lower part of the inner side extends downward to form a slider; an installation position is formed between two adjacent groups of the sliders, the installation position inserts the engaging portion, and the slider reciprocates on the encapsulation housing along a predetermined track.

5. The overload protection switch socket according to claim 4, wherein: The encapsulation housing includes a protection door bracket, and a plugging position is provided in the middle of the protection door bracket; a plurality of jacks are provided on the plugging position for a load to access the power receiving component, and an annular isolation plate protrudes upward on the outside; a guiding track is further provided on the outside of the isolation plate, the middle of the guiding track runs through, and both sides protrude upward to support the protection button; the slider slides horizontally along the guiding track. When the socket is working normally, the protection button is flush with the side wall of the encapsulation housing, and the second conductive end and the first conductive end are in close contact under the pressing of the slider; when the socket is overloaded, the elastic connection piece deforms and ejects outward, disconnecting the circuit connection between the power connection component and the power receiving component, driving the protection button to pop out, and the socket circuit is in an open-circuit protection state.

6. The overload protection switch socket according to claim 3, characterized in that: The protection button is vertically inserted on the encapsulation housing, its upper part is a pressing table surface, and its lower part extends downward to form a columnar structure and is inserted into the inner cavity of the encapsulation housing to abut against the butting position; the pressing table surface includes a horizontal surface and a vertical surface bent downward.

7. The overload protection switch socket according to claim 6, characterized in that: The encapsulation housing includes a protection door bracket, with a plug-in position provided on one side and a pressing position provided on the other side; a plurality of jacks are provided on the plug-in position for a load to be connected to the power receiving component, and an upwardly protruding surrounding isolation plate is formed on the outside; the pressing position includes a guiding cylinder and a guiding block that protrude upward, a through hole is formed through the inside of the guiding cylinder, and the guiding block is a rib provided on the edge of the protection door bracket; The lower part of the protection button is embedded in the guiding cylinder, passes through the protection door bracket and abuts against the first conductive end, and the inner side wall of the vertical surface of the pressing tabletop closely abuts against the outer side wall of the guiding block; When the socket is working normally, the protection button is pressed down below the top surface of the encapsulation housing, and the first conductive end and the second conductive end are in close contact under the pressing of the protection button; when the socket is overloaded, the elastic connecting piece deforms and lifts upward, disconnecting the circuit connection between the power connecting component and the power receiving component, driving the protection button to pop up upward, and the socket circuit is in an open circuit protection state.

8. The overload protection switch socket according to claim 5 or 7, characterized in that: The encapsulation housing includes a socket panel and a socket rear seat, and the socket panel, the protection door bracket, and the socket rear seat are sequentially covered and installed; a limiting plate that protrudes upward is provided in the inner cavity of the socket rear seat, and a limiting space is formed between the limiting plates to fixedly install the power connecting component and the power receiving component.

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