A waterproof socket structure with plug-in and no electric arc

Abstract

The application provides a lever switch, which comprises a base shell, a first conductive sheet and a second conductive sheet are arranged on the base shell and extend out of a connecting end, the first conductive sheet is insulated from the second conductive sheet, a conductive assembly is arranged on the first conductive sheet and is used for approaching or moving away from the second conductive sheet to turn on or turn off the connection between the first conductive sheet and the second conductive sheet, a sliding block is slidably arranged on the base shell and is used for pushing the conductive assembly, a third conductive sheet is arranged in the base shell, the conductive assembly is used for turning on the third conductive sheet when the conductive assembly is reset, the conductive assembly can be automatically reset to turn on the third conductive sheet, and a cover plate is buckle-mounted on the base shell, so that the current situation that a male plug cannot be inserted into a socket and reliably and stably contacted with a clamping sheet structure and then turned on can be solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of socket, in particular to a socket structure without electric arc when plug is pulled out or inserted. BACKGROUND

[0002] The socket is used to expand the single socket into multiple sockets, to realize the expansion of the number and type of sockets. In the use process, the socket realizes the conduction process by inserting the male plug into the socket and cooperating with the clamping piece structure. However, the existing socket is already conducting before the male plug is inserted, and electric spark will be generated when the male plug contacts the clamping piece structure. Therefore, the socket of the prior art cannot be conducted after the male plug is inserted and stably contacted with the clamping piece structure. SUMMARY

[0003] In view of the problems in the prior art, the present application provides a socket structure without electric arc when plug is pulled out or inserted, which solves the problem that the existing socket structure cannot be conducted after the male plug is inserted and stably contacted with the clamping piece structure.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0005] A socket structure without electric arc when plug is pulled out or inserted, comprising a socket box and a main control circuit board installed in the socket box, the socket box is also provided with a positive electrode copper sheet, a negative electrode copper sheet and a grounding electrode copper sheet connected to the main control circuit board;

[0006] The socket box is also provided with a sealing bin and a clamping piece structure installed in the sealing bin and used for connecting the positive electrode copper sheet, the negative electrode copper sheet and the grounding electrode copper sheet respectively;

[0007] Each clamping piece structure is provided below with a lever switch, which is used to control the conduction path of the clamping piece structure;

[0008] It also comprises a detection control circuit for detecting the insertion state of the plug in the clamping piece structure, which is used to detect the strain action force generated by the clamping piece structure after the plug is inserted into the clamping piece structure, and to turn on the lever switch after detecting that the strain action force meets the preset strain action force;

[0009] The lever switch comprises a base shell, a first conductive sheet and a second conductive sheet are installed on the base shell and extend out of the connection end, and the first conductive sheet and the second conductive sheet are insulated from each other;

[0010] The first conductive sheet is installed with a conductive component close to or away from the second conductive sheet to turn on or turn off the connection of the second conductive sheet;

[0011] The base shell is slidably installed with a sliding block for pushing the conductive component;

[0012] The base shell is also provided with a third conductive sheet, and the conductive assembly is reset to turn on the third conductive sheet;

[0013] The conductive assembly can be automatically reset to turn on the third conductive sheet;

[0014] The base shell is also provided with a third conductive sheet, and the conductive assembly is reset to turn on the third conductive sheet;

[0015] The first conductive sheet and the second conductive sheet are connected with a variable resistor, and the detection control circuit detects the preset strain force to control the variable resistor to switch to the on state.

[0016] Preferably, the sliding block passes through the clamping piece structure;

[0017] The first conductive sheet, the second conductive sheet are respectively connected to the positive electrode copper sheet, the negative electrode copper sheet, and the third conductive sheet is connected to the ground electrode copper sheet;

[0018] When the male plug terminal is inserted into the clamping piece structure and pushes the sliding block to move to turn on the first conductive sheet and the second conductive sheet;

[0019] The variable resistor is connected at the connection between the first conductive sheet and the second conductive sheet, and after the variable resistor is switched to the on state, the positive electrode copper sheet and the negative electrode copper sheet are turned on to correspond to the clamping piece structure.

[0020] Preferably, the detection control circuit includes an integrated processor control circuit board and a power module arranged on the control circuit board, and the power module is connected to the first conductive sheet and the second conductive sheet respectively and used to provide power to the processor;

[0021] The variable resistor is connected to the processor;

[0022] It also includes a strain gauge bonded to the outer wall of the clamping piece structure, and the strain gauge is connected to the processor;

[0023] The processor is used to obtain the strain force of the strain gauge and compare it with the preset value, and if it is greater than or equal to the preset value, the variable resistor is controlled to turn on the first conductive sheet and the second conductive sheet.

[0024] Preferably, the conductive assembly includes a first connecting plate and a second connecting plate arranged in parallel on the part of the first conductive sheet located in the base shell, and the second connecting plate is provided with a touch piece;

[0025] The first connecting plate is provided with a spring having one end passing through the second connecting plate and connected to the touch piece.

[0026] Preferably, the second conductive sheet is provided with a bending structure for contacting the touch sheet at the position of the base shell, and the bending structure is provided with a contact bump.

[0027] Preferably, the base shell is provided with a clamping groove structure for limiting the first conductive sheet and the second conductive sheet respectively.

[0028] Preferably, the sliding block is provided with a limiting step structure at the position of the base shell, and the limiting step structure is provided with an inclined surface towards the position of the base shell.

[0029] Preferably, the base shell and the cover plate are provided with a through mounting hole.

[0030] Preferably, the socket box is provided with an electric control switch connected to the main control circuit board.

[0031] Preferably, the application further comprises a power plug connected to the main control circuit board, and the electric control switch is used to control the on or off state of the power plug and the main control circuit board.

[0032] Compared with the prior art, the application has the following beneficial effects:

[0033] After the conductive assembly is pushed by the sliding block to connect the first conductive sheet and the second conductive sheet, the whole lever switch is turned on by the detection control circuit according to the strain action force generated after the plug is inserted into the clamping sheet structure, so that the on state of the clamping sheet structure is changed according to the state of the plug insertion under the double control of the physical and circuit control, and the clamping sheet structure corresponding to the positive or negative electrode forms a connection with the positive or negative electrode of the corresponding plug, thereby constructing a safer socket structure and effectively avoiding the generation of electric arc sparks in the plug insertion process in the prior art, and improving the safety in the process of using electricity. BRIEF DESCRIPTION OF DRAWINGS

[0034] Fig. 1 It is a structural schematic diagram of the lever switch of the application;

[0035] Fig. 2 It is an exploded structural schematic diagram of the lever switch connected to the inside of the socket;

[0036] Fig. 3 It is a structural schematic diagram of the lever switch connected to the inside of the socket;

[0037] In the drawings,

[0038] 1. Base shell; 2. First conductive sheet; 3. Second conductive sheet; 4. Conductive component; 4. First connecting plate; 41. Second connecting plate; 42. Actuating sheet; 43. Spring; 44. Slider; 5. Third conductive sheet; 6. Slot structure; 7. Mounting hole; 8. Main control circuit board; 9. Positive electrode copper sheet; 10. Negative electrode copper sheet; 11. Grounding electrode copper sheet; 12. Clamping structure; 13. Lever switch; 100. Detailed Implementation

[0039] The present invention will be further described below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand and implement the present invention. However, the embodiments described are not intended to limit the present invention.

[0040] like Figs. 1-3 As shown, an embodiment of the present invention proposes a waterproof socket structure with no electric arc during plugging and unplugging, including a socket box and a main control circuit board 9 installed in the socket box. The socket box is also provided with a positive electrode copper sheet 10, a negative electrode copper sheet 11 and a grounding electrode copper sheet 12 connected to the main control circuit board 9. The socket box is also provided with a sealing chamber and a clip structure 13 installed in the sealing chamber and used to connect the positive electrode copper sheet 10, the negative electrode copper sheet 11 and the grounding electrode copper sheet 12 respectively. A lever switch 100 is provided below each clip structure 13.

[0041] Specifically, the lever switch 100 comprises a base shell 1, a first conductive sheet 2 and a second conductive sheet 3 are installed on the base shell 1, the first conductive sheet 2 and the second conductive sheet 3 are insulated, and a conductive assembly 4 is installed on the first conductive sheet 2 to approach or move away from the second conductive sheet 3 to turn on or turn off the connection between the first conductive sheet 2 and the second conductive sheet 3, so that the first conductive sheet 2 and the second conductive sheet 3 can be turned on or turned off through the conductive assembly 4 to realize on-off control; a sliding block 5 for pushing the conductive assembly 4 is slidingly installed on the base shell 1, the conductive assembly 4 is pushed to move by the sliding block 5, and the first conductive sheet 2 and the second conductive sheet 3 are connected after the conductive assembly 4 is pushed; and a third conductive sheet 6 is further provided in the base shell 1, the third conductive sheet 6 is turned on when the conductive assembly 4 is reset, the conductive assembly 4 can be automatically reset to turn on the connection of the third conductive sheet 6, the third conductive sheet 6 can be grounded, and the first conductive sheet can be directly grounded in the normal state, so that the safety state can be maintained before the connection is conducted; and a cover plate is further buckle-mounted on the base shell 1 to form a safe isolation effect; wherein the sliding block 5 passes through the clamping piece structure 13; the first conductive sheet 2 and the second conductive sheet 3 are connected to the positive electrode copper sheet 10 or the negative electrode copper sheet 11, and the third conductive sheet 6 is connected to the ground electrode copper sheet 12; that is, only when the first conductive sheet 2 and the second conductive sheet 3 are connected, the positive electrode copper sheet 10 and the negative electrode copper sheet 11 can be turned on with the clamping piece structure 13 at the corresponding position; that is, when the male plug terminal is inserted into the clamping piece structure 13 and pushes the sliding block 5 to move to turn on the first conductive sheet 2 and the second conductive sheet 3, the positive electrode copper sheet 10 or the negative electrode copper sheet 11 is turned on with the corresponding clamping piece structure 13; and after the male plug terminal is pushed out, the first conductive sheet 2 is reset to connect the third conductive sheet 6 to the ground, so that the power supply can be realized only after the male plug terminal is inserted each time, thereby effectively avoiding the generation of electric sparks; further, the first conductive sheet 2 and the second conductive sheet 3 are turned on after the state of the male plug terminal inserted into the clamping piece structure 13 is comprehensively judged, and a detection control circuit for detecting the insertion state of the plug into the clamping piece structure 13 is further provided, the detection control circuit is used for detecting the strain action force generated by the clamping piece structure 13 after the plug is inserted into the clamping piece structure 13, and turning on the lever switch 100 after detecting that the strain action force meets the preset strain action force; the strain action force generated by the clamping piece structure 13 is compared with the preset action force through the detection control circuit before being turned on, so that the safety of the power supply process can be further ensured, and specifically, a variable resistor is connected between the first conductive sheet 2 and the second conductive sheet 3, the variable resistor is switched to the on state after the detection control circuit detects that the preset strain action force is met, so that the electric arc spark can not be generated during the insertion process of the male plug under the double action of physical conduction and circuit conduction, and the safety of the overall socket is improved under the action of the double safety measures.

[0042] Because the base shell 1 is closed by the cover plate to form a closed space, although the conductive assembly 4 is in contact with the second conductive sheet 3, when the first conductive sheet 2 is connected with the second conductive sheet 3, sparks can be generated inside, but the closed space formed meets the explosion-proof condition, and the sparks inside will not leak out of the closed space, so that the plug-in socket can be used in flammable and explosive places by using the lever switch 100.

[0043] Meanwhile, an electric control switch connected to the main control circuit board 9 is installed on the socket box, so as to control the power-on state of the entire socket; specifically, a power plug connected to the main control circuit board 9 is further included, and the electric control switch is used to control the on or off state of the power plug and the main control circuit board 9.

[0044] Specifically, the conductive assembly 4 includes a first connecting plate 41 and a second connecting plate 42 which are arranged in parallel at the part of the first conductive sheet 2 located in the base shell 1, a contact piece 43 is clamped on the second connecting plate 42, and a spring 44 is installed on the first connecting plate 41, one end of the spring 44 penetrates through the second connecting plate 42 and is connected to the contact piece 43; when the slider 5 moves to push the spring 44 to extend, the contact piece 43 can contact the second conductive sheet 3, so that the first conductive sheet 2 and the second conductive sheet 3 are connected, and when the slider 5 is reset, the contact piece 43 is separated from the second conductive sheet 3 and connected to the third conductive sheet 6.

[0045] Specifically, a bent structure for contacting the contact piece 43 is arranged at the part of the second conductive sheet 3 located in the base shell 1, and a contact bump is arranged on the bent structure to improve the conductive effect.

[0046] Meanwhile, a clamping groove structure 7 for limiting the first conductive sheet 2 and the second conductive sheet 3 is arranged on the base shell 1, so as to reliably limit the first conductive sheet 2 and the second conductive sheet 3.

[0047] Specifically, a limiting step structure is arranged at the part of the slider 5 extending into the base shell 1, and an inclined surface is arranged on the part of the limiting step structure towards the inside of the base shell 1, so as to prevent the slider 5 from coming out, and the inclined surface can improve the effect of pushing the spring 44 to expand and improve the action efficiency of the contact piece 43.

[0048] In order to reliably install the overall structure, a through mounting hole 8 is arranged on the base shell 1 and the cover plate.

[0049] In the description of the present application, it is to be understood by the terms indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0050] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0051] In the description of the present application, it is to be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the present application when it is usually placed, only for the convenience of describing the present application and simplifying the description, and not indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first", "second" and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0052] Finally, it is to be noted that the above examples are only used to illustrate the technical solutions of the present application and not to limit, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A waterproof socket structure with plug-in arc-free, comprising a socket box and a master control circuit board (9) installed in the socket box, and a positive electrode copper sheet (10), a negative electrode copper sheet (11) and a ground electrode copper sheet (12) connected to the master control circuit board (9) in the socket box. A sealing bin is arranged in the socket box, and a clip structure (13) for connecting the positive electrode copper sheet (10), the negative electrode copper sheet (11) and the ground electrode copper sheet (12) is arranged in the sealing bin. characterized in that A lever switch (100) is arranged below each clip structure (13) for controlling the conduction path of the clip structure. A detection control circuit for detecting the plug insertion state of the clip structure (13) is further included, which is used to detect the strain force generated by the clip structure (13) after the plug is inserted into the clip structure (13), and turn on the lever switch (100) when the preset strain force is detected. The lever switch comprises a base shell (1), a first conductive sheet (2) and a second conductive sheet (3) extending from the base shell (1), and the first conductive sheet (2) and the second conductive sheet (3) are insulated. A conductive assembly (4) is arranged on the first conductive sheet (2) to connect or disconnect the second conductive sheet (3). A sliding block (5) is arranged on the base shell (1) to push the conductive assembly (4). A third conductive sheet (6) is arranged in the base shell (1), and the conductive assembly (4) is connected to the third conductive sheet (6) when it is reset. The conductive assembly (4) can be automatically reset to connect the third conductive sheet (6). A cover plate is clamped on the base shell (1). A variable resistor is connected between the first conductive sheet (2) and the second conductive sheet (3), and the detection control circuit controls the variable resistor to switch to the on state when the preset strain force is detected.

2. An unplug-arc-free waterproof socket structure according to claim 1, characterized in that: The sliding block (5) passes through the clip structure (13). The first conductive sheet (2) and the second conductive sheet (3) are connected to the positive electrode copper sheet (10) and the negative electrode copper sheet (11) respectively, and the third conductive sheet (6) is connected to the ground electrode copper sheet (12). When the male plug terminal is inserted into the clip structure (13) and pushes the sliding block (5) to move, the first conductive sheet (2) and the second conductive sheet (3) are turned on. The variable resistor is connected between the first conductive sheet (2) and the second conductive sheet (3), and the variable resistor is switched to the on state to make the positive electrode copper sheet (10) and the negative electrode copper sheet (11) conductive to the corresponding clip structure (13).

3. An unplug-arc-free waterproof socket structure according to claim 2, characterized in that: The detection control circuit comprises a control circuit board with an integrated processor and a power module arranged on the control circuit board, and the power module is connected to the first conductive sheet (2) and the second conductive sheet (3) to provide power to the processor. The variable resistor is connected to the processor. Strain gauges are also attached to the outer side walls of the clamping piece structure (13), and the strain gauges are connected to a processor; The processor is used to acquire the strain force of the strain gauges and compare it with a preset value, and if the strain force is greater than or equal to the preset value, the variable resistor is controlled to turn on the first conductive sheet (2) and the second conductive sheet (3).

4. The plug-in, no-arc, waterproof socket structure according to any one of claims 1-3, characterized in that: The conductive assembly (4) includes a first connecting plate (41) and a second connecting plate (42) arranged in parallel on the part of the first conductive sheet (2) located in the base shell (1), and a touch sheet (43) is clamped on the second connecting plate (42). A spring (44) is mounted on the first connecting plate (41) and connected to the touch sheet (43).

5. An unplug-arc-free waterproof socket structure according to claim 4, characterized in that: The second conductive sheet (3) is provided with a bending structure for contacting the touch sheet (43) at the part located in the base shell (1), and the bending structure is provided with a contact bump.

6. An unplug-arc-free waterproof socket structure according to claim 5, characterized in that: The base shell (1) is provided with a clamping groove structure (7) for limiting the first conductive sheet (2) and the second conductive sheet (3).

7. An unplug-arc-free waterproof socket structure according to claim 6, characterized in that: The part of the sliding block (5) extending into the base shell (1) is provided with a limiting step structure, and the limiting step structure is provided with an inclined surface towards the part of the base shell (1).

8. An unplug-arc-free waterproof socket structure according to claim 7, characterized in that: The base shell (1) and the cover plate are provided with a through mounting hole (8).

9. An unplug-arc-free waterproof socket structure according to claim 8, characterized in that: An electric control switch connected to the main control circuit board (9) is mounted on the socket box.

10. An unplug-arc-free waterproof socket structure according to claim 9, characterized in that: A power plug connected to the main control circuit board (9) is also included, and the electric control switch is used to control the on or off state of the power plug and the main control circuit board (9).

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